add noop broker and noop store (#30)

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/FUNDING.yml

@@ -1,3 +0,0 @@
-# These are supported funding model platforms
-
-issuehunt: micro/development

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,9 @@
+## Pull Request template
+Please, go through these steps before clicking submit on this PR.
+
+1. Give a descriptive title to your PR.
+2. Provide a description of your changes.
+3. Make sure you have some relevant tests.
+4. Put `closes #XXXX` in your comment to auto-close the issue that your PR fixes (if applicable).
+
+**PLEASE REMOVE THIS TEMPLATE BEFORE SUBMITTING**

.github/generate.sh

@@ -0,0 +1,15 @@
+#!/bin/bash -e
+
+find . -type f -name '*.pb.*.go' -o -name '*.pb.go' -a ! -name 'message.pb.go' -delete
+PROTOS=$(find . -type f -name '*.proto' | grep -v proto/google/api)
+
+mkdir -p proto/google/api
+curl -s -o proto/google/api/annotations.proto -L https://raw.githubusercontent.com/googleapis/googleapis/master/google/api/annotations.proto
+curl -s -o proto/google/api/http.proto -L https://raw.githubusercontent.com/googleapis/googleapis/master/google/api/http.proto
+
+for PROTO in $PROTOS; do
+  echo $PROTO
+  protoc -I./proto -I. -I$(dirname $PROTO) --go-grpc_out=paths=source_relative:. --go_out=paths=source_relative:. --micro_out=paths=source_relative:. $PROTO
+done
+
+rm -r proto

.github/stale.sh

@@ -0,0 +1,13 @@
+#!/bin/bash -ex
+
+export PATH=$PATH:$(pwd)/bin
+export GO111MODULE=on
+export GOBIN=$(pwd)/bin
+
+#go get github.com/rvflash/goup@v0.4.1
+
+#goup -v ./...
+#go get github.com/psampaz/go-mod-outdated@v0.6.0
+go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
+
+#go list -u -m -json all | go-mod-outdated -update

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+name: build
+on:
+ push:
+    branches:
+    - master
+jobs:
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: setup
+      uses: actions/setup-go@v1
+      with:
+        go-version: 1.15
+    - name: checkout
+      uses: actions/checkout@v2
+    - name: cache
+      uses: actions/cache@v2
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: lint
+        uses: golangci/golangci-lint-action@v1
+        continue-on-error: true
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

.github/workflows/docker.yml

@@ -1,19 +0,0 @@
-name: Docker
-
-on:
-  push:
-    branches:
-    - master
-
-jobs:
-  build:
-     runs-on: ubuntu-latest
-     steps:
-       - uses: actions/checkout@v2
-         name: Check out repository
-       - uses: elgohr/Publish-Docker-Github-Action@2.12
-         name: Build and Push Docker Image
-         with:
-           name: micro/go-micro
-           username: ${{ secrets.DOCKER_USERNAME }}
-           password: ${{ secrets.DOCKER_PASSWORD }}

.github/workflows/pr.yml

@@ -1,28 +1,46 @@
-name: PR Sanity Check
-on: pull_request
-
+name: prbuild
+on:
+  pull_request:
+    branches:
+    - master
 jobs:
-
-  prtest:
-    name: PR sanity check
+  test:
+    name: test
     runs-on: ubuntu-latest
     steps:
-
-    - name: Set up Go 1.13
+    - name: setup
       uses: actions/setup-go@v1
       with:
-        go-version: 1.13
-      id: go
-
-    - name: Check out code into the Go module directory
+        go-version: 1.15
+    - name: checkout
       uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-
-    - name: Run tests
-      id: tests
+    - name: cache
+      uses: actions/cache@v2
+      with:
+        path: ~/go/pkg/mod
+        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+        restore-keys: ${{ runner.os }}-go-
+    - name: deps
+      run: go get -v -t -d ./...
+    - name: test
       env:
-        IN_TRAVIS_CI: yes
-      run: go test -v ./...
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+      - name: lint
+        uses: golangci/golangci-lint-action@v1
+        continue-on-error: true
+        with:
+          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
+          version: v1.30
+          # Optional: working directory, useful for monorepos
+          # working-directory: somedir
+          # Optional: golangci-lint command line arguments.
+          # args: --issues-exit-code=0
+          # Optional: show only new issues if it's a pull request. The default value is `false`.
+          # only-new-issues: true

.github/workflows/tests.yml

@@ -1,51 +0,0 @@
-name: Run tests
-on: [push]
-
-jobs:
-
-  test:
-    name: Test repo
-    runs-on: ubuntu-latest
-    steps:
-
-    - name: Set up Go 1.13
-      uses: actions/setup-go@v1
-      with:
-        go-version: 1.13
-      id: go
-
-    - name: Check out code into the Go module directory
-      uses: actions/checkout@v2
-
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-
-    - name: Run tests
-      id: tests
-      env:
-        IN_TRAVIS_CI: yes
-      run: go test -v ./...
-  
-    - name: Notify of test failure
-      if: failure()
-      uses: rtCamp/action-slack-notify@v2.0.0
-      env:
-        SLACK_CHANNEL: build
-        SLACK_COLOR: '#BF280A'
-        SLACK_ICON: https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png
-        SLACK_TITLE: Tests Failed
-        SLACK_USERNAME: GitHub Actions
-        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
-        
-    - name: Notify of test success
-      if: success()
-      uses: rtCamp/action-slack-notify@v2.0.0
-      env:
-        SLACK_CHANNEL: build
-        SLACK_COLOR: '#1FAD2B'
-        SLACK_ICON: https://github.githubassets.com/images/modules/logos_page/GitHub-Mark.png
-        SLACK_TITLE: Tests Passed
-        SLACK_USERNAME: GitHub Actions
-        SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}
-

.golangci.yml

@@ -1,5 +1,11 @@
 run:
-  deadline: 10m
+  deadline: 5m
+  modules-download-mode: readonly
+  skip-dirs:
+    - util/mdns.new
+  skip-files:
+    - ".*\\.pb\\.go$"
+    - ".*\\.pb\\.micro\\.go$"
 linters:
   disable-all: false
   enable-all: false
@@ -24,3 +30,11 @@ linters:
     - interfacer
     - typecheck
     - dupl
+output:
+  format: colored-line-number
+  # print lines of code with issue, default is true
+  print-issued-lines: true
+  # print linter name in the end of issue text, default is true
+  print-linter-name: true
+  # make issues output unique by line, default is true
+  uniq-by-line: true

CNAME

@@ -1 +0,0 @@
-go-micro.dev

Dockerfile

@@ -1,13 +0,0 @@
-FROM golang:1.13-alpine
-
-RUN mkdir /user && \
-    echo 'nobody:x:65534:65534:nobody:/:' > /user/passwd && \
-    echo 'nobody:x:65534:' > /user/group
-
-ENV GO111MODULE=on
-RUN apk --no-cache add make git gcc libtool musl-dev ca-certificates dumb-init && \
-    rm -rf /var/cache/apk/* /tmp/*
-
-WORKDIR /
-COPY ./go.mod ./go.sum ./
-RUN go mod download && rm go.mod go.sum

LICENSE

@@ -176,7 +176,8 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright 2015 Asim Aslam.
+   Copyright 2015-2020 Asim Aslam.
+   Copyright 2019-2020 Unistack LLC.
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

README.md

@@ -1,26 +1,27 @@
-# Go Micro [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![Go.Dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/micro/go-micro?tab=doc) [![Travis CI](https://api.travis-ci.org/micro/go-micro.svg?branch=master)](https://travis-ci.org/micro/go-micro) [![Go Report Card](https://goreportcard.com/badge/micro/go-micro)](https://goreportcard.com/report/github.com/micro/go-micro)
+# Micro [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![Doc](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/unistack-org/micro/v3?tab=overview) [![Status](https://github.com/unistack-org/micro/workflows/build/badge.svg?branch=master)](https://github.com/unistack-org/micro/actions?query=workflow%3Abuild+branch%3Amaster+event%3Apush) [![Lint](https://goreportcard.com/badge/github.com/unistack-org/micro)](https://goreportcard.com/report/github.com/unistack-org/micro)
 
-Go Micro is a framework for microservice development.
+Micro is a standard library for microservices.
 
 ## Overview
 
-Go Micro provides the core requirements for distributed systems development including RPC and Event driven communication. 
-The **micro** philosophy is sane defaults with a pluggable architecture. We provide defaults to get you started quickly 
-but everything can be easily swapped out. 
-
-<img src="https://micro.mu/docs/images/go-micro.svg" />
-
-Plugins are available at [github.com/micro/go-plugins](https://github.com/micro/go-plugins).
-
-Follow us on [Twitter](https://twitter.com/microhq) or join the [Community](https://micro.mu/slack).
+Micro provides the core requirements for distributed systems development including RPC and Event driven communication. 
 
 ## Features
 
-Go Micro abstracts away the details of distributed systems. Here are the main features.
+Micro abstracts away the details of distributed systems. Here are the main features.
+
+- **Authentication** - Auth is built in as a first class citizen. Authentication and authorization enable secure 
+zero trust networking by providing every service an identity and certificates. This additionally includes rule 
+based access control.
+
+- **Dynamic Config** - Load and hot reload dynamic config from anywhere. The config interface provides a way to load application 
+level config from any source such as env vars, file, etcd. You can merge the sources and even define fallbacks.
+
+- **Data Storage** - A simple data store interface to read, write and delete records. It includes support for memory, file and 
+CockroachDB by default. State and persistence becomes a core requirement beyond prototyping and Micro looks to build that into the framework.
 
 - **Service Discovery** - Automatic service registration and name resolution. Service discovery is at the core of micro service 
-development. When service A needs to speak to service B it needs the location of that service. The default discovery mechanism is 
-multicast DNS (mdns), a zeroconf system.
+development. When service A needs to speak to service B it needs the location of that service.
 
 - **Load Balancing** - Client side load balancing built on service discovery. Once we have the addresses of any number of instances 
 of a service we now need a way to decide which node to route to. We use random hashed load balancing to provide even distribution 
@@ -28,21 +29,24 @@ across the services and retry a different node if there's a problem.
 
 - **Message Encoding** - Dynamic message encoding based on content-type. The client and server will use codecs along with content-type 
 to seamlessly encode and decode Go types for you. Any variety of messages could be encoded and sent from different clients. The client 
-and server handle this by default. This includes protobuf and json by default.
+and server handle this by default.
 
-- **Request/Response** - RPC based request/response with support for bidirectional streaming. We provide an abstraction for synchronous 
-communication. A request made to a service will be automatically resolved, load balanced, dialled and streamed. The default 
-transport is [gRPC](https://grpc.io/).
+- **Transport** - gRPC or http based request/response with support for bidirectional streaming. We provide an abstraction for synchronous communication. A request made to a service will be automatically resolved, load balanced, dialled and streamed.
 
-- **Async Messaging** - PubSub is built in as a first class citizen for asynchronous communication and event driven architectures. 
-Event notifications are a core pattern in micro service development. The default messaging system is an embedded [NATS](https://nats.io/) 
-server.
+- **Async Messaging** - PubSub is built in as a first class citizen for asynchronous communication and event driven architectures.
+Event notifications are a core pattern in micro service development.
 
-- **Pluggable Interfaces** - Go Micro makes use of Go interfaces for each distributed system abstraction. Because of this these interfaces 
-are pluggable and allows Go Micro to be runtime agnostic. You can plugin any underlying technology. Find plugins in 
-[github.com/micro/go-plugins](https://github.com/micro/go-plugins).
+- **Synchronization** - Distributed systems are often built in an eventually consistent manner. Support for distributed locking and 
+leadership are built in as a Sync interface. When using an eventually consistent database or scheduling use the Sync interface.
+
+- **Pluggable Interfaces** - Micro makes use of Go interfaces for each system abstraction. Because of this these interfaces 
+are pluggable and allows Micro to be runtime agnostic.
 
 ## Getting Started
 
-See the [docs](https://micro.mu/docs/framework.html) for detailed information on the architecture, installation and use of go-micro.
+To be created.
+
+## License
+
+Micro is Apache 2.0 licensed.
 

README.zh-cn.md

@@ -1,36 +0,0 @@
-# Go Micro [![License](https://img.shields.io/:license-apache-blue.svg)](https://opensource.org/licenses/Apache-2.0) [![Go.Dev reference](https://img.shields.io/badge/go.dev-reference-007d9c?logo=go&logoColor=white&style=flat-square)](https://pkg.go.dev/github.com/micro/go-micro?tab=doc) [![Travis CI](https://api.travis-ci.org/micro/go-micro.svg?branch=master)](https://travis-ci.org/micro/go-micro) [![Go Report Card](https://goreportcard.com/badge/micro/go-micro)](https://goreportcard.com/report/github.com/micro/go-micro)
-
-Go Micro是基于Golang的微服务开发框架。
-
-## 概览
-
-Go Micro提供分布式系统开发的核心库，包含RPC与事件驱动的通信机制。
-
-**micro**的设计哲学是可插拔的架构理念，她提供可快速构建系统的组件，并且可以根据自身的需求剥离默认实现并自行定制。
-
-<img src="https://micro.mu/docs/images/go-micro.svg" />
-
-所有插件可在仓库[github.com/micro/go-plugins](https://github.com/micro/go-plugins)中找到。
-
-可以订阅我们的[Twitter](https://twitter.com/microhq)或者加入[Slack](http://slack.micro.mu/)论坛。
-
-## 特性
-
-Go Micro把分布式系统的各种细节抽象出来。下面是它的主要特性。
-
-- **服务发现（Service Discovery）** - 自动服务注册与名称解析。服务发现是微服务开发中的核心。当服务A要与服务B协作时，它得知道B在哪里。默认的服务发现系统是Consul，而multicast DNS (mdns，组播)机制作为本地解决方案，或者零依赖的P2P网络中的SWIM协议（gossip）。 
-
-- **负载均衡（Load Balancing）** - 在服务发现之上构建了负载均衡机制。当我们得到一个服务的任意多个的实例节点时，我们要一个机制去决定要路由到哪一个节点。我们使用随机处理过的哈希负载均衡机制来保证对服务请求颁发的均匀分布，并且在发生问题时进行重试。
-
-- **消息编码（Message Encoding）** - 支持基于内容类型（content-type）动态编码消息。客户端和服务端会一起使用content-type的格式来对Go进行无缝编/解码。各种各样的消息被编码会发送到不同的客户端，客户端服服务端默认会处理这些消息。content-type默认包含proto-rpc和json-rpc。
-
-- **Request/Response** - RPC通信基于支持双向流的请求/响应方式，我们提供有抽象的同步通信机制。请求发送到服务时，会自动解析、负载均衡、拨号、转成字节流。默认的传输协议是http/1.1，而tls下使用http2协议。
-
-- **异步消息（Async Messaging）** - 发布订阅（PubSub）头等功能内置在异步通信与事件驱动架构中。事件通知在微服务开发中处于核心位置。默认的消息传送使用点到点http/1.1，激活tls时则使用http2。
-
-- **可插拔接口（Pluggable Interfaces）** - Go Micro为每个分布式系统抽象出接口。因此，Go Micro的接口都是可插拔的，允许其在运行时不可知的情况下仍可支持。所以只要实现接口，可以在内部使用任何的技术。更多插件请参考：[github.com/micro/go-plugins](https://github.com/micro/go-plugins)。
-
-## 快速上手
-
-更多关于架构、安装的资料可以查看[文档](https://micro.mu/docs/cn/)。
-

_config.yml

@@ -1 +0,0 @@
-theme: jekyll-theme-architect

agent/agent.go

@@ -1,2 +0,0 @@
-// Package agent provides an interface for building robots
-package agent

agent/command/command.go

@@ -1,54 +0,0 @@
-// Package command is an interface for defining bot commands
-package command
-
-var (
-	// Commmands keyed by golang/regexp patterns
-	// regexp.Match(key, input) is used to match
-	Commands = map[string]Command{}
-)
-
-// Command is the interface for specific named
-// commands executed via plugins or the bot.
-type Command interface {
-	// Executes the command with args passed in
-	Exec(args ...string) ([]byte, error)
-	// Usage of the command
-	Usage() string
-	// Description of the command
-	Description() string
-	// Name of the command
-	String() string
-}
-
-type cmd struct {
-	name        string
-	usage       string
-	description string
-	exec        func(args ...string) ([]byte, error)
-}
-
-func (c *cmd) Description() string {
-	return c.description
-}
-
-func (c *cmd) Exec(args ...string) ([]byte, error) {
-	return c.exec(args...)
-}
-
-func (c *cmd) Usage() string {
-	return c.usage
-}
-
-func (c *cmd) String() string {
-	return c.name
-}
-
-// NewCommand helps quickly create a new command
-func NewCommand(name, usage, description string, exec func(args ...string) ([]byte, error)) Command {
-	return &cmd{
-		name:        name,
-		usage:       usage,
-		description: description,
-		exec:        exec,
-	}
-}

agent/command/command_test.go

@@ -1,65 +0,0 @@
-package command
-
-import (
-	"testing"
-)
-
-func TestCommand(t *testing.T) {
-	c := &cmd{
-		name:        "test",
-		usage:       "test usage",
-		description: "test description",
-		exec: func(args ...string) ([]byte, error) {
-			return []byte("test"), nil
-		},
-	}
-
-	if c.String() != c.name {
-		t.Fatalf("expected name %s got %s", c.name, c.String())
-	}
-
-	if c.Usage() != c.usage {
-		t.Fatalf("expected usage %s got %s", c.usage, c.Usage())
-	}
-
-	if c.Description() != c.description {
-		t.Fatalf("expected description %s got %s", c.description, c.Description())
-	}
-
-	if r, err := c.Exec(); err != nil {
-		t.Fatal(err)
-	} else if string(r) != "test" {
-		t.Fatalf("expected exec result test got %s", string(r))
-	}
-}
-
-func TestNewCommand(t *testing.T) {
-	c := &cmd{
-		name:        "test",
-		usage:       "test usage",
-		description: "test description",
-		exec: func(args ...string) ([]byte, error) {
-			return []byte("test"), nil
-		},
-	}
-
-	nc := NewCommand(c.name, c.usage, c.description, c.exec)
-
-	if nc.String() != c.name {
-		t.Fatalf("expected name %s got %s", c.name, nc.String())
-	}
-
-	if nc.Usage() != c.usage {
-		t.Fatalf("expected usage %s got %s", c.usage, nc.Usage())
-	}
-
-	if nc.Description() != c.description {
-		t.Fatalf("expected description %s got %s", c.description, nc.Description())
-	}
-
-	if r, err := nc.Exec(); err != nil {
-		t.Fatal(err)
-	} else if string(r) != "test" {
-		t.Fatalf("expected exec result test got %s", string(r))
-	}
-}

agent/input/discord/README.md

@@ -1,22 +0,0 @@
-# Discord input for micro-bot
-[Discord](https://discordapp.com) support for micro bot based on [discordgo](github.com/bwmarrin/discordgo).
-
-This was originally written by Aleksandr Tihomirov (@zet4) and can be found at https://github.com/zet4/micro-misc/.
-
-## Options
-### discord_token
-
-You have to supply an application token via `--discord_token`.
-
-Head over to Discord's [developer introduction](https://discordapp.com/developers/docs/intro)
-to learn how to create applications and how the API works.
-
-### discord_prefix
-
-Set a command prefix with `--discord_prefix`. The default prefix is `Micro `.
-You can mention the bot or use the prefix to run a command.
-
-### discord_whitelist
-
-Pass a list of comma-separated user IDs with `--discord_whitelist`. Only allow
-these users to use the bot.

agent/input/discord/conn.go

@@ -1,96 +0,0 @@
-package discord
-
-import (
-	"errors"
-	"strings"
-	"sync"
-
-	"github.com/bwmarrin/discordgo"
-	"github.com/micro/go-micro/v2/agent/input"
-	"github.com/micro/go-micro/v2/logger"
-)
-
-type discordConn struct {
-	master *discordInput
-	exit   chan struct{}
-	recv   chan *discordgo.Message
-
-	sync.Mutex
-}
-
-func newConn(master *discordInput) *discordConn {
-	conn := &discordConn{
-		master: master,
-		exit:   make(chan struct{}),
-		recv:   make(chan *discordgo.Message),
-	}
-
-	conn.master.session.AddHandler(func(s *discordgo.Session, m *discordgo.MessageCreate) {
-		if m.Author.ID == master.botID {
-			return
-		}
-
-		whitelisted := false
-		for _, ID := range conn.master.whitelist {
-			if m.Author.ID == ID {
-				whitelisted = true
-				break
-			}
-		}
-
-		if len(master.whitelist) > 0 && !whitelisted {
-			return
-		}
-
-		var valid bool
-		m.Message.Content, valid = conn.master.prefixfn(m.Message.Content)
-		if !valid {
-			return
-		}
-
-		conn.recv <- m.Message
-	})
-
-	return conn
-}
-
-func (dc *discordConn) Recv(event *input.Event) error {
-	for {
-		select {
-		case <-dc.exit:
-			return errors.New("connection closed")
-		case msg := <-dc.recv:
-
-			event.From = msg.ChannelID + ":" + msg.Author.ID
-			event.To = dc.master.botID
-			event.Type = input.TextEvent
-			event.Data = []byte(msg.Content)
-			return nil
-		}
-	}
-}
-
-func (dc *discordConn) Send(e *input.Event) error {
-	fields := strings.Split(e.To, ":")
-	_, err := dc.master.session.ChannelMessageSend(fields[0], string(e.Data))
-	if err != nil {
-		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-			logger.Error("[bot][loop][send]", err)
-		}
-	}
-	return nil
-}
-
-func (dc *discordConn) Close() error {
-	if err := dc.master.session.Close(); err != nil {
-		return err
-	}
-
-	select {
-	case <-dc.exit:
-		return nil
-	default:
-		close(dc.exit)
-	}
-	return nil
-}

agent/input/discord/discord.go

@@ -1,153 +0,0 @@
-package discord
-
-import (
-	"fmt"
-	"sync"
-
-	"errors"
-	"strings"
-
-	"github.com/bwmarrin/discordgo"
-	"github.com/micro/cli/v2"
-	"github.com/micro/go-micro/v2/agent/input"
-)
-
-func init() {
-	input.Inputs["discord"] = newInput()
-}
-
-func newInput() *discordInput {
-	return &discordInput{}
-}
-
-type discordInput struct {
-	token     string
-	whitelist []string
-	prefix    string
-	prefixfn  func(string) (string, bool)
-	botID     string
-
-	session *discordgo.Session
-
-	sync.Mutex
-	running bool
-	exit    chan struct{}
-}
-
-func (d *discordInput) Flags() []cli.Flag {
-	return []cli.Flag{
-		&cli.StringFlag{
-			Name:    "discord_token",
-			EnvVars: []string{"MICRO_DISCORD_TOKEN"},
-			Usage:   "Discord token (prefix with Bot if it's for bot account)",
-		},
-		&cli.StringFlag{
-			Name:    "discord_whitelist",
-			EnvVars: []string{"MICRO_DISCORD_WHITELIST"},
-			Usage:   "Discord Whitelist (seperated by ,)",
-		},
-		&cli.StringFlag{
-			Name:    "discord_prefix",
-			Usage:   "Discord Prefix",
-			EnvVars: []string{"MICRO_DISCORD_PREFIX"},
-			Value:   "Micro ",
-		},
-	}
-}
-
-func (d *discordInput) Init(ctx *cli.Context) error {
-	token := ctx.String("discord_token")
-	whitelist := ctx.String("discord_whitelist")
-	prefix := ctx.String("discord_prefix")
-
-	if len(token) == 0 {
-		return errors.New("require token")
-	}
-
-	d.token = token
-	d.prefix = prefix
-
-	if len(whitelist) > 0 {
-		d.whitelist = strings.Split(whitelist, ",")
-	}
-
-	return nil
-}
-
-func (d *discordInput) Start() error {
-	if len(d.token) == 0 {
-		return errors.New("missing discord configuration")
-	}
-
-	d.Lock()
-	defer d.Unlock()
-
-	if d.running {
-		return nil
-	}
-
-	var err error
-	d.session, err = discordgo.New(d.token)
-	if err != nil {
-		return err
-	}
-
-	u, err := d.session.User("@me")
-	if err != nil {
-		return err
-	}
-
-	d.botID = u.ID
-	d.prefixfn = CheckPrefixFactory(fmt.Sprintf("<@%s> ", d.botID), fmt.Sprintf("<@!%s> ", d.botID), d.prefix)
-
-	d.exit = make(chan struct{})
-	d.running = true
-
-	return nil
-}
-
-func (d *discordInput) Stream() (input.Conn, error) {
-	d.Lock()
-	defer d.Unlock()
-	if !d.running {
-		return nil, errors.New("not running")
-	}
-
-	//Fire-n-forget close just in case...
-	d.session.Close()
-
-	conn := newConn(d)
-	if err := d.session.Open(); err != nil {
-		return nil, err
-	}
-	return conn, nil
-}
-
-func (d *discordInput) Stop() error {
-	d.Lock()
-	defer d.Unlock()
-
-	if !d.running {
-		return nil
-	}
-
-	close(d.exit)
-	d.running = false
-	return nil
-}
-
-func (d *discordInput) String() string {
-	return "discord"
-}
-
-// CheckPrefixFactory Creates a prefix checking function and stuff.
-func CheckPrefixFactory(prefixes ...string) func(string) (string, bool) {
-	return func(content string) (string, bool) {
-		for _, prefix := range prefixes {
-			if strings.HasPrefix(content, prefix) {
-				return strings.TrimPrefix(content, prefix), true
-			}
-		}
-		return "", false
-	}
-}

agent/input/input.go

@@ -1,55 +0,0 @@
-// Package input is an interface for bot inputs
-package input
-
-import (
-	"github.com/micro/cli/v2"
-)
-
-type EventType string
-
-const (
-	TextEvent EventType = "text"
-)
-
-var (
-	// Inputs keyed by name
-	// Example slack or hipchat
-	Inputs = map[string]Input{}
-)
-
-// Event is the unit sent and received
-type Event struct {
-	Type EventType
-	From string
-	To   string
-	Data []byte
-	Meta map[string]interface{}
-}
-
-// Input is an interface for sources which
-// provide a way to communicate with the bot.
-// Slack, HipChat, XMPP, etc.
-type Input interface {
-	// Provide cli flags
-	Flags() []cli.Flag
-	// Initialise input using cli context
-	Init(*cli.Context) error
-	// Stream events from the input
-	Stream() (Conn, error)
-	// Start the input
-	Start() error
-	// Stop the input
-	Stop() error
-	// name of the input
-	String() string
-}
-
-// Conn interface provides a way to
-// send and receive events. Send and
-// Recv both block until succeeding
-// or failing.
-type Conn interface {
-	Close() error
-	Recv(*Event) error
-	Send(*Event) error
-}

agent/input/slack/conn.go

@@ -1,160 +0,0 @@
-package slack
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/micro/go-micro/v2/agent/input"
-	"github.com/nlopes/slack"
-)
-
-// Satisfies the input.Conn interface
-type slackConn struct {
-	auth *slack.AuthTestResponse
-	rtm  *slack.RTM
-	exit chan bool
-
-	sync.Mutex
-	names map[string]string
-}
-
-func (s *slackConn) run() {
-	// func retrieves user names and maps to IDs
-	setNames := func() {
-		names := make(map[string]string)
-		users, err := s.rtm.Client.GetUsers()
-		if err != nil {
-			return
-		}
-
-		for _, user := range users {
-			names[user.ID] = user.Name
-		}
-
-		s.Lock()
-		s.names = names
-		s.Unlock()
-	}
-
-	setNames()
-
-	t := time.NewTicker(time.Minute)
-	defer t.Stop()
-
-	for {
-		select {
-		case <-s.exit:
-			return
-		case <-t.C:
-			setNames()
-		}
-	}
-}
-
-func (s *slackConn) getName(id string) string {
-	s.Lock()
-	name := s.names[id]
-	s.Unlock()
-	return name
-}
-
-func (s *slackConn) Close() error {
-	select {
-	case <-s.exit:
-		return nil
-	default:
-		close(s.exit)
-	}
-	return nil
-}
-
-func (s *slackConn) Recv(event *input.Event) error {
-	if event == nil {
-		return errors.New("event cannot be nil")
-	}
-
-	for {
-		select {
-		case <-s.exit:
-			return errors.New("connection closed")
-		case e := <-s.rtm.IncomingEvents:
-			switch ev := e.Data.(type) {
-			case *slack.MessageEvent:
-				// only accept type message
-				if ev.Type != "message" {
-					continue
-				}
-
-				// only accept DMs or messages to me
-				switch {
-				case strings.HasPrefix(ev.Channel, "D"):
-				case strings.HasPrefix(ev.Text, s.auth.User):
-				case strings.HasPrefix(ev.Text, fmt.Sprintf("<@%s>", s.auth.UserID)):
-				default:
-					continue
-				}
-
-				// Strip username from text
-				switch {
-				case strings.HasPrefix(ev.Text, s.auth.User):
-					args := strings.Split(ev.Text, " ")[1:]
-					ev.Text = strings.Join(args, " ")
-					event.To = s.auth.User
-				case strings.HasPrefix(ev.Text, fmt.Sprintf("<@%s>", s.auth.UserID)):
-					args := strings.Split(ev.Text, " ")[1:]
-					ev.Text = strings.Join(args, " ")
-					event.To = s.auth.UserID
-				}
-
-				if event.Meta == nil {
-					event.Meta = make(map[string]interface{})
-				}
-
-				// fill in the blanks
-				event.From = ev.Channel + ":" + ev.User
-				event.Type = input.TextEvent
-				event.Data = []byte(ev.Text)
-				event.Meta["reply"] = ev
-				return nil
-			case *slack.InvalidAuthEvent:
-				return errors.New("invalid credentials")
-			}
-		}
-	}
-}
-
-func (s *slackConn) Send(event *input.Event) error {
-	var channel, message, name string
-
-	if len(event.To) == 0 {
-		return errors.New("require Event.To")
-	}
-
-	parts := strings.Split(event.To, ":")
-
-	if len(parts) == 2 {
-		channel = parts[0]
-		name = s.getName(parts[1])
-		// try using reply meta
-	} else if ev, ok := event.Meta["reply"]; ok {
-		channel = ev.(*slack.MessageEvent).Channel
-		name = s.getName(ev.(*slack.MessageEvent).User)
-	}
-
-	// don't know where to send the message
-	if len(channel) == 0 {
-		return errors.New("could not determine who message is to")
-	}
-
-	if len(name) == 0 || strings.HasPrefix(channel, "D") {
-		message = string(event.Data)
-	} else {
-		message = fmt.Sprintf("@%s: %s", name, string(event.Data))
-	}
-
-	s.rtm.SendMessage(s.rtm.NewOutgoingMessage(message, channel))
-	return nil
-}

agent/input/slack/slack.go

@@ -1,147 +0,0 @@
-package slack
-
-import (
-	"errors"
-	"sync"
-
-	"github.com/micro/cli/v2"
-	"github.com/micro/go-micro/v2/agent/input"
-	"github.com/nlopes/slack"
-)
-
-type slackInput struct {
-	debug bool
-	token string
-
-	sync.Mutex
-	running bool
-	exit    chan bool
-
-	api *slack.Client
-}
-
-func init() {
-	input.Inputs["slack"] = NewInput()
-}
-
-func (p *slackInput) Flags() []cli.Flag {
-	return []cli.Flag{
-		&cli.BoolFlag{
-			Name:    "slack_debug",
-			Usage:   "Slack debug output",
-			EnvVars: []string{"MICRO_SLACK_DEBUG"},
-		},
-		&cli.StringFlag{
-			Name:    "slack_token",
-			Usage:   "Slack token",
-			EnvVars: []string{"MICRO_SLACK_TOKEN"},
-		},
-	}
-}
-
-func (p *slackInput) Init(ctx *cli.Context) error {
-	debug := ctx.Bool("slack_debug")
-	token := ctx.String("slack_token")
-
-	if len(token) == 0 {
-		return errors.New("missing slack token")
-	}
-
-	p.debug = debug
-	p.token = token
-
-	return nil
-}
-
-func (p *slackInput) Stream() (input.Conn, error) {
-	p.Lock()
-	defer p.Unlock()
-
-	if !p.running {
-		return nil, errors.New("not running")
-	}
-
-	// test auth
-	auth, err := p.api.AuthTest()
-	if err != nil {
-		return nil, err
-	}
-
-	rtm := p.api.NewRTM()
-	exit := make(chan bool)
-
-	go rtm.ManageConnection()
-
-	go func() {
-		select {
-		case <-p.exit:
-			select {
-			case <-exit:
-				return
-			default:
-				close(exit)
-			}
-		case <-exit:
-		}
-
-		rtm.Disconnect()
-	}()
-
-	conn := &slackConn{
-		auth:  auth,
-		rtm:   rtm,
-		exit:  exit,
-		names: make(map[string]string),
-	}
-
-	go conn.run()
-
-	return conn, nil
-}
-
-func (p *slackInput) Start() error {
-	if len(p.token) == 0 {
-		return errors.New("missing slack token")
-	}
-
-	p.Lock()
-	defer p.Unlock()
-
-	if p.running {
-		return nil
-	}
-
-	api := slack.New(p.token, slack.OptionDebug(p.debug))
-
-	// test auth
-	_, err := api.AuthTest()
-	if err != nil {
-		return err
-	}
-
-	p.api = api
-	p.exit = make(chan bool)
-	p.running = true
-	return nil
-}
-
-func (p *slackInput) Stop() error {
-	p.Lock()
-	defer p.Unlock()
-
-	if !p.running {
-		return nil
-	}
-
-	close(p.exit)
-	p.running = false
-	return nil
-}
-
-func (p *slackInput) String() string {
-	return "slack"
-}
-
-func NewInput() input.Input {
-	return &slackInput{}
-}

agent/input/telegram/README.md

@@ -1,18 +0,0 @@
-# Telegram Messenger input for micro bot
-[Telegram](https://telegram.org) support for micro bot based on [telegram-bot-api](https://github.com/go-telegram-bot-api/telegram-bot-api).
-
-## Options
-### --telegram_token (required)
-
-Sets bot's token for interacting with API.
-
-Head over to Telegram's [API documentation](https://core.telegram.org/bots/api)
-to learn how to create bots and how the API works.
-
-### --telegram_debug
-
-Sets the debug flag to make the bot's output verbose.
-
-### --telegram_whitelist
-
-Sets a list of comma-separated nicknames (without @ symbol in the beginning) for interacting with bot. Only these users can use the bot.

agent/input/telegram/conn.go

@@ -1,115 +0,0 @@
-package telegram
-
-import (
-	"errors"
-	"strings"
-	"sync"
-
-	"github.com/forestgiant/sliceutil"
-	"github.com/micro/go-micro/v2/agent/input"
-	"github.com/micro/go-micro/v2/logger"
-	tgbotapi "gopkg.in/telegram-bot-api.v4"
-)
-
-type telegramConn struct {
-	input *telegramInput
-
-	recv <-chan tgbotapi.Update
-	exit chan bool
-
-	syncCond *sync.Cond
-	mutex    sync.Mutex
-}
-
-func newConn(input *telegramInput) (*telegramConn, error) {
-	conn := &telegramConn{
-		input: input,
-	}
-
-	conn.syncCond = sync.NewCond(&conn.mutex)
-
-	go conn.run()
-
-	return conn, nil
-}
-
-func (tc *telegramConn) run() {
-	u := tgbotapi.NewUpdate(0)
-	u.Timeout = 60
-	updates, err := tc.input.api.GetUpdatesChan(u)
-	if err != nil {
-		return
-	}
-
-	tc.recv = updates
-	tc.syncCond.Signal()
-
-	select {
-	case <-tc.exit:
-		return
-	}
-}
-
-func (tc *telegramConn) Close() error {
-	return nil
-}
-
-func (tc *telegramConn) Recv(event *input.Event) error {
-	if event == nil {
-		return errors.New("event cannot be nil")
-	}
-
-	for {
-		if tc.recv == nil {
-			tc.mutex.Lock()
-			tc.syncCond.Wait()
-		}
-
-		update := <-tc.recv
-
-		if update.Message == nil || (len(tc.input.whitelist) > 0 && !sliceutil.Contains(tc.input.whitelist, update.Message.From.UserName)) {
-			continue
-		}
-
-		if event.Meta == nil {
-			event.Meta = make(map[string]interface{})
-		}
-
-		event.Type = input.TextEvent
-		event.From = update.Message.From.UserName
-		event.To = tc.input.api.Self.UserName
-		event.Data = []byte(update.Message.Text)
-		event.Meta["chatId"] = update.Message.Chat.ID
-		event.Meta["chatType"] = update.Message.Chat.Type
-		event.Meta["messageId"] = update.Message.MessageID
-
-		return nil
-	}
-}
-
-func (tc *telegramConn) Send(event *input.Event) error {
-	messageText := strings.TrimSpace(string(event.Data))
-
-	chatId := event.Meta["chatId"].(int64)
-	chatType := ChatType(event.Meta["chatType"].(string))
-
-	msgConfig := tgbotapi.NewMessage(chatId, messageText)
-	msgConfig.ParseMode = tgbotapi.ModeHTML
-
-	if sliceutil.Contains([]ChatType{Group, Supergroup}, chatType) {
-		msgConfig.ReplyToMessageID = event.Meta["messageId"].(int)
-	}
-
-	_, err := tc.input.api.Send(msgConfig)
-
-	if err != nil {
-		// probably it could be because of nested HTML tags -- telegram doesn't allow nested tags
-		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-			logger.Error("[telegram][Send] error:", err)
-		}
-		msgConfig.Text = "This bot couldn't send the response (Internal error)"
-		tc.input.api.Send(msgConfig)
-	}
-
-	return nil
-}

agent/input/telegram/telegram.go

@@ -1,101 +0,0 @@
-package telegram
-
-import (
-	"errors"
-	"strings"
-	"sync"
-
-	"github.com/micro/cli/v2"
-	"github.com/micro/go-micro/v2/agent/input"
-	tgbotapi "gopkg.in/telegram-bot-api.v4"
-)
-
-type telegramInput struct {
-	sync.Mutex
-
-	debug     bool
-	token     string
-	whitelist []string
-
-	api *tgbotapi.BotAPI
-}
-
-type ChatType string
-
-const (
-	Private    ChatType = "private"
-	Group      ChatType = "group"
-	Supergroup ChatType = "supergroup"
-)
-
-func init() {
-	input.Inputs["telegram"] = &telegramInput{}
-}
-
-func (ti *telegramInput) Flags() []cli.Flag {
-	return []cli.Flag{
-		&cli.BoolFlag{
-			Name:    "telegram_debug",
-			EnvVars: []string{"MICRO_TELEGRAM_DEBUG"},
-			Usage:   "Telegram debug output",
-		},
-		&cli.StringFlag{
-			Name:    "telegram_token",
-			EnvVars: []string{"MICRO_TELEGRAM_TOKEN"},
-			Usage:   "Telegram token",
-		},
-		&cli.StringFlag{
-			Name:    "telegram_whitelist",
-			EnvVars: []string{"MICRO_TELEGRAM_WHITELIST"},
-			Usage:   "Telegram bot's users (comma-separated values)",
-		},
-	}
-}
-
-func (ti *telegramInput) Init(ctx *cli.Context) error {
-	ti.debug = ctx.Bool("telegram_debug")
-	ti.token = ctx.String("telegram_token")
-
-	whitelist := ctx.String("telegram_whitelist")
-
-	if whitelist != "" {
-		ti.whitelist = strings.Split(whitelist, ",")
-	}
-
-	if len(ti.token) == 0 {
-		return errors.New("missing telegram token")
-	}
-
-	return nil
-}
-
-func (ti *telegramInput) Stream() (input.Conn, error) {
-	ti.Lock()
-	defer ti.Unlock()
-
-	return newConn(ti)
-}
-
-func (ti *telegramInput) Start() error {
-	ti.Lock()
-	defer ti.Unlock()
-
-	api, err := tgbotapi.NewBotAPI(ti.token)
-	if err != nil {
-		return err
-	}
-
-	ti.api = api
-
-	api.Debug = ti.debug
-
-	return nil
-}
-
-func (ti *telegramInput) Stop() error {
-	return nil
-}
-
-func (p *telegramInput) String() string {
-	return "telegram"
-}

agent/proto/bot.pb.go

@@ -1,216 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: github.com/micro/go-micro/v2/agent/proto/bot.proto
-
-package go_micro_bot
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-type HelpRequest struct {
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *HelpRequest) Reset()         { *m = HelpRequest{} }
-func (m *HelpRequest) String() string { return proto.CompactTextString(m) }
-func (*HelpRequest) ProtoMessage()    {}
-func (*HelpRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_018e8d5b14a89d12, []int{0}
-}
-
-func (m *HelpRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_HelpRequest.Unmarshal(m, b)
-}
-func (m *HelpRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_HelpRequest.Marshal(b, m, deterministic)
-}
-func (m *HelpRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_HelpRequest.Merge(m, src)
-}
-func (m *HelpRequest) XXX_Size() int {
-	return xxx_messageInfo_HelpRequest.Size(m)
-}
-func (m *HelpRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_HelpRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_HelpRequest proto.InternalMessageInfo
-
-type HelpResponse struct {
-	Usage                string   `protobuf:"bytes,1,opt,name=usage,proto3" json:"usage,omitempty"`
-	Description          string   `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *HelpResponse) Reset()         { *m = HelpResponse{} }
-func (m *HelpResponse) String() string { return proto.CompactTextString(m) }
-func (*HelpResponse) ProtoMessage()    {}
-func (*HelpResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_018e8d5b14a89d12, []int{1}
-}
-
-func (m *HelpResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_HelpResponse.Unmarshal(m, b)
-}
-func (m *HelpResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_HelpResponse.Marshal(b, m, deterministic)
-}
-func (m *HelpResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_HelpResponse.Merge(m, src)
-}
-func (m *HelpResponse) XXX_Size() int {
-	return xxx_messageInfo_HelpResponse.Size(m)
-}
-func (m *HelpResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_HelpResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_HelpResponse proto.InternalMessageInfo
-
-func (m *HelpResponse) GetUsage() string {
-	if m != nil {
-		return m.Usage
-	}
-	return ""
-}
-
-func (m *HelpResponse) GetDescription() string {
-	if m != nil {
-		return m.Description
-	}
-	return ""
-}
-
-type ExecRequest struct {
-	Args                 []string `protobuf:"bytes,1,rep,name=args,proto3" json:"args,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *ExecRequest) Reset()         { *m = ExecRequest{} }
-func (m *ExecRequest) String() string { return proto.CompactTextString(m) }
-func (*ExecRequest) ProtoMessage()    {}
-func (*ExecRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_018e8d5b14a89d12, []int{2}
-}
-
-func (m *ExecRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ExecRequest.Unmarshal(m, b)
-}
-func (m *ExecRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ExecRequest.Marshal(b, m, deterministic)
-}
-func (m *ExecRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExecRequest.Merge(m, src)
-}
-func (m *ExecRequest) XXX_Size() int {
-	return xxx_messageInfo_ExecRequest.Size(m)
-}
-func (m *ExecRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_ExecRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ExecRequest proto.InternalMessageInfo
-
-func (m *ExecRequest) GetArgs() []string {
-	if m != nil {
-		return m.Args
-	}
-	return nil
-}
-
-type ExecResponse struct {
-	Result               []byte   `protobuf:"bytes,1,opt,name=result,proto3" json:"result,omitempty"`
-	Error                string   `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *ExecResponse) Reset()         { *m = ExecResponse{} }
-func (m *ExecResponse) String() string { return proto.CompactTextString(m) }
-func (*ExecResponse) ProtoMessage()    {}
-func (*ExecResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_018e8d5b14a89d12, []int{3}
-}
-
-func (m *ExecResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_ExecResponse.Unmarshal(m, b)
-}
-func (m *ExecResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_ExecResponse.Marshal(b, m, deterministic)
-}
-func (m *ExecResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_ExecResponse.Merge(m, src)
-}
-func (m *ExecResponse) XXX_Size() int {
-	return xxx_messageInfo_ExecResponse.Size(m)
-}
-func (m *ExecResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_ExecResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_ExecResponse proto.InternalMessageInfo
-
-func (m *ExecResponse) GetResult() []byte {
-	if m != nil {
-		return m.Result
-	}
-	return nil
-}
-
-func (m *ExecResponse) GetError() string {
-	if m != nil {
-		return m.Error
-	}
-	return ""
-}
-
-func init() {
-	proto.RegisterType((*HelpRequest)(nil), "go.micro.bot.HelpRequest")
-	proto.RegisterType((*HelpResponse)(nil), "go.micro.bot.HelpResponse")
-	proto.RegisterType((*ExecRequest)(nil), "go.micro.bot.ExecRequest")
-	proto.RegisterType((*ExecResponse)(nil), "go.micro.bot.ExecResponse")
-}
-
-func init() {
-	proto.RegisterFile("github.com/micro/go-micro/v2/agent/proto/bot.proto", fileDescriptor_018e8d5b14a89d12)
-}
-
-var fileDescriptor_018e8d5b14a89d12 = []byte{
-	// 246 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x50, 0x4d, 0x4b, 0xc4, 0x30,
-	0x10, 0xdd, 0xea, 0xba, 0xb2, 0xd3, 0x7a, 0x09, 0x22, 0x75, 0x4f, 0x35, 0xa7, 0xbd, 0x98, 0x80,
-	0x5e, 0x05, 0x0f, 0xa2, 0x78, 0xee, 0x3f, 0x68, 0xbb, 0x43, 0x2c, 0x6c, 0x3b, 0x35, 0x99, 0x82,
-	0xff, 0xc1, 0x3f, 0x2d, 0x4d, 0x72, 0x08, 0xc5, 0xdb, 0x7b, 0x79, 0xe1, 0x7d, 0x0c, 0x68, 0xd3,
-	0xf3, 0xd7, 0xdc, 0xaa, 0x8e, 0x06, 0x3d, 0xf4, 0x9d, 0x25, 0x6d, 0xe8, 0x31, 0x80, 0xc6, 0xe0,
-	0xc8, 0x7a, 0xb2, 0xc4, 0xa4, 0x5b, 0x62, 0xe5, 0x91, 0x28, 0x0c, 0x29, 0xaf, 0xab, 0x96, 0x58,
-	0xde, 0x40, 0xfe, 0x89, 0xe7, 0xa9, 0xc6, 0xef, 0x19, 0x1d, 0xcb, 0x0f, 0x28, 0x02, 0x75, 0x13,
-	0x8d, 0x0e, 0xc5, 0x2d, 0x5c, 0xcd, 0xae, 0x31, 0x58, 0x66, 0x55, 0x76, 0xdc, 0xd7, 0x81, 0x88,
-	0x0a, 0xf2, 0x13, 0xba, 0xce, 0xf6, 0x13, 0xf7, 0x34, 0x96, 0x17, 0x5e, 0x4b, 0x9f, 0xe4, 0x03,
-	0xe4, 0xef, 0x3f, 0xd8, 0x45, 0x5b, 0x21, 0x60, 0xdb, 0x58, 0xe3, 0xca, 0xac, 0xba, 0x3c, 0xee,
-	0x6b, 0x8f, 0xe5, 0x0b, 0x14, 0xe1, 0x4b, 0x8c, 0xba, 0x83, 0x9d, 0x45, 0x37, 0x9f, 0xd9, 0x67,
-	0x15, 0x75, 0x64, 0x4b, 0x05, 0xb4, 0x96, 0x6c, 0x8c, 0x09, 0xe4, 0xe9, 0x37, 0x83, 0xeb, 0x37,
-	0x1a, 0x86, 0x66, 0x3c, 0x89, 0x57, 0xd8, 0x2e, 0xa5, 0xc5, 0xbd, 0x4a, 0xa7, 0xa9, 0x64, 0xd7,
-	0xe1, 0xf0, 0x9f, 0x14, 0x82, 0xe5, 0x66, 0x31, 0x58, 0xaa, 0xac, 0x0d, 0x92, 0x05, 0x6b, 0x83,
-	0xb4, 0xb9, 0xdc, 0xb4, 0x3b, 0x7f, 0xda, 0xe7, 0xbf, 0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0xbd,
-	0x39, 0x29, 0x8d, 0x01, 0x00, 0x00,
-}

agent/proto/bot.pb.micro.go

@@ -1,108 +0,0 @@
-// Code generated by protoc-gen-micro. DO NOT EDIT.
-// source: github.com/micro/go-micro/v2/agent/proto/bot.proto
-
-package go_micro_bot
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
-)
-
-import (
-	context "context"
-	client "github.com/micro/go-micro/v2/client"
-	server "github.com/micro/go-micro/v2/server"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ client.Option
-var _ server.Option
-
-// Client API for Command service
-
-type CommandService interface {
-	Help(ctx context.Context, in *HelpRequest, opts ...client.CallOption) (*HelpResponse, error)
-	Exec(ctx context.Context, in *ExecRequest, opts ...client.CallOption) (*ExecResponse, error)
-}
-
-type commandService struct {
-	c    client.Client
-	name string
-}
-
-func NewCommandService(name string, c client.Client) CommandService {
-	if c == nil {
-		c = client.NewClient()
-	}
-	if len(name) == 0 {
-		name = "go.micro.bot"
-	}
-	return &commandService{
-		c:    c,
-		name: name,
-	}
-}
-
-func (c *commandService) Help(ctx context.Context, in *HelpRequest, opts ...client.CallOption) (*HelpResponse, error) {
-	req := c.c.NewRequest(c.name, "Command.Help", in)
-	out := new(HelpResponse)
-	err := c.c.Call(ctx, req, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *commandService) Exec(ctx context.Context, in *ExecRequest, opts ...client.CallOption) (*ExecResponse, error) {
-	req := c.c.NewRequest(c.name, "Command.Exec", in)
-	out := new(ExecResponse)
-	err := c.c.Call(ctx, req, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// Server API for Command service
-
-type CommandHandler interface {
-	Help(context.Context, *HelpRequest, *HelpResponse) error
-	Exec(context.Context, *ExecRequest, *ExecResponse) error
-}
-
-func RegisterCommandHandler(s server.Server, hdlr CommandHandler, opts ...server.HandlerOption) error {
-	type command interface {
-		Help(ctx context.Context, in *HelpRequest, out *HelpResponse) error
-		Exec(ctx context.Context, in *ExecRequest, out *ExecResponse) error
-	}
-	type Command struct {
-		command
-	}
-	h := &commandHandler{hdlr}
-	return s.Handle(s.NewHandler(&Command{h}, opts...))
-}
-
-type commandHandler struct {
-	CommandHandler
-}
-
-func (h *commandHandler) Help(ctx context.Context, in *HelpRequest, out *HelpResponse) error {
-	return h.CommandHandler.Help(ctx, in, out)
-}
-
-func (h *commandHandler) Exec(ctx context.Context, in *ExecRequest, out *ExecResponse) error {
-	return h.CommandHandler.Exec(ctx, in, out)
-}

agent/proto/bot.proto

@@ -1,25 +0,0 @@
-syntax = "proto3";
-
-package go.micro.bot;
-
-service Command {
-	rpc Help(HelpRequest) returns (HelpResponse) {};
-	rpc Exec(ExecRequest) returns (ExecResponse) {};
-}
-
-message HelpRequest {
-}
-
-message HelpResponse {
-	string usage = 1;
-	string description = 2;
-}
-
-message ExecRequest {
-	repeated string args = 1;
-}
-
-message ExecResponse {
-	bytes result = 1;
-	string error = 2;
-}

api/api.go

@@ -5,10 +5,27 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/server"
+	"github.com/unistack-org/micro/v3/registry"
+	"github.com/unistack-org/micro/v3/server"
 )
 
+type Api interface {
+	// Initialise options
+	Init(...Option) error
+	// Get the options
+	Options() Options
+	// Register a http handler
+	Register(*Endpoint) error
+	// Register a route
+	Deregister(*Endpoint) error
+	// Implementation of api
+	String() string
+}
+
+type Options struct{}
+
+type Option func(*Options) error
+
 // Endpoint is a mapping between an RPC method and HTTP endpoint
 type Endpoint struct {
 	// RPC Method e.g. Greeter.Hello
@@ -23,6 +40,12 @@ type Endpoint struct {
 	Method []string
 	// HTTP Path e.g /greeter. Expect POSIX regex
 	Path []string
+	// Body destination
+	// "*" or "" - top level message value
+	// "string" - inner message value
+	Body string
+	// Stream flag
+	Stream bool
 }
 
 // Service represents an API service
@@ -105,9 +128,18 @@ func Validate(e *Endpoint) error {
 	}
 
 	for _, p := range e.Path {
-		_, err := regexp.CompilePOSIX(p)
-		if err != nil {
-			return err
+		ps := p[0]
+		pe := p[len(p)-1]
+
+		if ps == '^' && pe == '$' {
+			_, err := regexp.CompilePOSIX(p)
+			if err != nil {
+				return err
+			}
+		} else if ps == '^' && pe != '$' {
+			return errors.New("invalid path")
+		} else if ps != '^' && pe == '$' {
+			return errors.New("invalid path")
 		}
 	}
 

api/api_test.go

@@ -111,3 +111,42 @@ func TestEncoding(t *testing.T) {
 		}
 	}
 }
+
+func TestValidate(t *testing.T) {
+	epPcre := &Endpoint{
+		Name:        "Foo.Bar",
+		Description: "A test endpoint",
+		Handler:     "meta",
+		Host:        []string{"foo.com"},
+		Method:      []string{"GET"},
+		Path:        []string{"^/test/?$"},
+	}
+	if err := Validate(epPcre); err != nil {
+		t.Fatal(err)
+	}
+
+	epGpath := &Endpoint{
+		Name:        "Foo.Bar",
+		Description: "A test endpoint",
+		Handler:     "meta",
+		Host:        []string{"foo.com"},
+		Method:      []string{"GET"},
+		Path:        []string{"/test/{id}"},
+	}
+	if err := Validate(epGpath); err != nil {
+		t.Fatal(err)
+	}
+
+	epPcreInvalid := &Endpoint{
+		Name:        "Foo.Bar",
+		Description: "A test endpoint",
+		Handler:     "meta",
+		Host:        []string{"foo.com"},
+		Method:      []string{"GET"},
+		Path:        []string{"/test/?$"},
+	}
+	if err := Validate(epPcreInvalid); err == nil {
+		t.Fatalf("invalid pcre %v", epPcreInvalid.Path[0])
+	}
+
+}

api/handler/api/api.go

@@ -4,13 +4,13 @@ package api
 import (
 	"net/http"
 
-	goapi "github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/api/handler"
-	api "github.com/micro/go-micro/v2/api/proto"
-	"github.com/micro/go-micro/v2/client"
-	"github.com/micro/go-micro/v2/client/selector"
-	"github.com/micro/go-micro/v2/errors"
-	"github.com/micro/go-micro/v2/util/ctx"
+	goapi "github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/handler"
+	api "github.com/unistack-org/micro/v3/api/proto"
+	"github.com/unistack-org/micro/v3/client"
+	"github.com/unistack-org/micro/v3/errors"
+	"github.com/unistack-org/micro/v3/util/ctx"
+	"github.com/unistack-org/micro/v3/util/router"
 )
 
 type apiHandler struct {
@@ -24,6 +24,12 @@ const (
 
 // API handler is the default handler which takes api.Request and returns api.Response
 func (a *apiHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	bsize := handler.DefaultMaxRecvSize
+	if a.opts.MaxRecvSize > 0 {
+		bsize = a.opts.MaxRecvSize
+	}
+
+	r.Body = http.MaxBytesReader(w, r.Body, bsize)
 	request, err := requestToProto(r)
 	if err != nil {
 		er := errors.InternalServerError("go.micro.api", err.Error())
@@ -59,16 +65,14 @@ func (a *apiHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// create request and response
-	c := a.opts.Service.Client()
+	c := a.opts.Client
 	req := c.NewRequest(service.Name, service.Endpoint.Name, request)
 	rsp := &api.Response{}
 
 	// create the context from headers
 	cx := ctx.FromRequest(r)
-	// create strategy
-	so := selector.WithStrategy(strategy(service.Services))
 
-	if err := c.Call(cx, req, rsp, client.WithSelectOption(so)); err != nil {
+	if err := c.Call(cx, req, rsp, client.WithRouter(router.New(service.Services))); err != nil {
 		w.Header().Set("Content-Type", "application/json")
 		ce := errors.Parse(err.Error())
 		switch ce.Code {

api/handler/api/util.go

@@ -2,15 +2,18 @@ package api
 
 import (
 	"fmt"
-	"io/ioutil"
 	"mime"
 	"net"
 	"net/http"
 	"strings"
 
-	api "github.com/micro/go-micro/v2/api/proto"
-	"github.com/micro/go-micro/v2/client/selector"
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/oxtoacart/bpool"
+	api "github.com/unistack-org/micro/v3/api/proto"
+)
+
+var (
+	// need to calculate later to specify useful defaults
+	bufferPool = bpool.NewSizedBufferPool(1024, 8)
 )
 
 func requestToProto(r *http.Request) (*api.Request, error) {
@@ -39,9 +42,12 @@ func requestToProto(r *http.Request) (*api.Request, error) {
 		case "application/x-www-form-urlencoded":
 			// expect form vals in Post data
 		default:
-
-			data, _ := ioutil.ReadAll(r.Body)
-			req.Body = string(data)
+			buf := bufferPool.Get()
+			defer bufferPool.Put(buf)
+			if _, err = buf.ReadFrom(r.Body); err != nil {
+				return nil, err
+			}
+			req.Body = buf.String()
 		}
 	}
 
@@ -101,11 +107,3 @@ func requestToProto(r *http.Request) (*api.Request, error) {
 
 	return req, nil
 }
-
-// strategy is a hack for selection
-func strategy(services []*registry.Service) selector.Strategy {
-	return func(_ []*registry.Service) selector.Next {
-		// ignore input to this function, use services above
-		return selector.Random(services)
-	}
-}

api/handler/broker/broker.go

@@ -1,280 +0,0 @@
-// Package broker provides a go-micro/broker handler
-package broker
-
-import (
-	"encoding/json"
-	"io/ioutil"
-	"net/http"
-	"net/url"
-	"strings"
-	"sync"
-	"sync/atomic"
-	"time"
-
-	"github.com/gorilla/websocket"
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/broker"
-	"github.com/micro/go-micro/v2/logger"
-)
-
-const (
-	Handler = "broker"
-
-	pingTime      = (readDeadline * 9) / 10
-	readLimit     = 16384
-	readDeadline  = 60 * time.Second
-	writeDeadline = 10 * time.Second
-)
-
-type brokerHandler struct {
-	once atomic.Value
-	opts handler.Options
-	u    websocket.Upgrader
-}
-
-type conn struct {
-	b     broker.Broker
-	cType string
-	topic string
-	queue string
-	exit  chan bool
-
-	sync.Mutex
-	ws *websocket.Conn
-}
-
-var (
-	contentType = "text/plain"
-)
-
-func checkOrigin(r *http.Request) bool {
-	origin := r.Header["Origin"]
-	if len(origin) == 0 {
-		return true
-	}
-	u, err := url.Parse(origin[0])
-	if err != nil {
-		return false
-	}
-	return u.Host == r.Host
-}
-
-func (c *conn) close() {
-	select {
-	case <-c.exit:
-		return
-	default:
-		close(c.exit)
-	}
-}
-
-func (c *conn) readLoop() {
-	defer func() {
-		c.close()
-		c.ws.Close()
-	}()
-
-	// set read limit/deadline
-	c.ws.SetReadLimit(readLimit)
-	c.ws.SetReadDeadline(time.Now().Add(readDeadline))
-
-	// set close handler
-	ch := c.ws.CloseHandler()
-	c.ws.SetCloseHandler(func(code int, text string) error {
-		err := ch(code, text)
-		c.close()
-		return err
-	})
-
-	// set pong handler
-	c.ws.SetPongHandler(func(string) error {
-		c.ws.SetReadDeadline(time.Now().Add(readDeadline))
-		return nil
-	})
-
-	for {
-		_, message, err := c.ws.ReadMessage()
-		if err != nil {
-			return
-		}
-		c.b.Publish(c.topic, &broker.Message{
-			Header: map[string]string{"Content-Type": c.cType},
-			Body:   message,
-		})
-	}
-}
-
-func (c *conn) write(mType int, data []byte) error {
-	c.Lock()
-	c.ws.SetWriteDeadline(time.Now().Add(writeDeadline))
-	err := c.ws.WriteMessage(mType, data)
-	c.Unlock()
-	return err
-}
-
-func (c *conn) writeLoop() {
-	ticker := time.NewTicker(pingTime)
-
-	var opts []broker.SubscribeOption
-
-	if len(c.queue) > 0 {
-		opts = append(opts, broker.Queue(c.queue))
-	}
-
-	subscriber, err := c.b.Subscribe(c.topic, func(p broker.Event) error {
-		b, err := json.Marshal(p.Message())
-		if err != nil {
-			return nil
-		}
-		return c.write(websocket.TextMessage, b)
-	}, opts...)
-
-	defer func() {
-		subscriber.Unsubscribe()
-		ticker.Stop()
-		c.ws.Close()
-	}()
-
-	if err != nil {
-		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-			logger.Error(err.Error())
-		}
-		return
-	}
-
-	for {
-		select {
-		case <-ticker.C:
-			if err := c.write(websocket.PingMessage, []byte{}); err != nil {
-				return
-			}
-		case <-c.exit:
-			return
-		}
-	}
-}
-
-func (b *brokerHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	br := b.opts.Service.Client().Options().Broker
-
-	// Setup the broker
-	if !b.once.Load().(bool) {
-		if err := br.Init(); err != nil {
-			http.Error(w, err.Error(), 500)
-		}
-		if err := br.Connect(); err != nil {
-			http.Error(w, err.Error(), 500)
-		}
-		b.once.Store(true)
-	}
-
-	// Parse
-	r.ParseForm()
-	topic := r.Form.Get("topic")
-
-	// Can't do anything without a topic
-	if len(topic) == 0 {
-		http.Error(w, "Topic not specified", 400)
-		return
-	}
-
-	// Post assumed to be Publish
-	if r.Method == "POST" {
-		// Create a broker message
-		msg := &broker.Message{
-			Header: make(map[string]string),
-		}
-
-		// Set header
-		for k, v := range r.Header {
-			msg.Header[k] = strings.Join(v, ", ")
-		}
-
-		// Read body
-		b, err := ioutil.ReadAll(r.Body)
-		if err != nil {
-			http.Error(w, err.Error(), 500)
-			return
-		}
-
-		// Set body
-		msg.Body = b
-
-		// Publish
-		br.Publish(topic, msg)
-		return
-	}
-
-	// now back to our regularly scheduled programming
-
-	if r.Method != "GET" {
-		http.Error(w, "Method not allowed", 405)
-		return
-	}
-
-	queue := r.Form.Get("queue")
-
-	ws, err := b.u.Upgrade(w, r, nil)
-	if err != nil {
-		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-			logger.Error(err.Error())
-		}
-		return
-	}
-
-	cType := r.Header.Get("Content-Type")
-	if len(cType) == 0 {
-		cType = contentType
-	}
-
-	c := &conn{
-		b:     br,
-		cType: cType,
-		topic: topic,
-		queue: queue,
-		exit:  make(chan bool),
-		ws:    ws,
-	}
-
-	go c.writeLoop()
-	c.readLoop()
-}
-
-func (b *brokerHandler) String() string {
-	return "broker"
-}
-
-func NewHandler(opts ...handler.Option) handler.Handler {
-	h := &brokerHandler{
-		u: websocket.Upgrader{
-			CheckOrigin: func(r *http.Request) bool {
-				return true
-			},
-			ReadBufferSize:  1024,
-			WriteBufferSize: 1024,
-		},
-		opts: handler.NewOptions(opts...),
-	}
-	h.once.Store(true)
-	return h
-}
-
-func WithCors(cors map[string]bool, opts ...handler.Option) handler.Handler {
-	return &brokerHandler{
-		u: websocket.Upgrader{
-			CheckOrigin: func(r *http.Request) bool {
-				if origin := r.Header.Get("Origin"); cors[origin] {
-					return true
-				} else if len(origin) > 0 && cors["*"] {
-					return true
-				} else if checkOrigin(r) {
-					return true
-				}
-				return false
-			},
-			ReadBufferSize:  1024,
-			WriteBufferSize: 1024,
-		},
-		opts: handler.NewOptions(opts...),
-	}
-}

api/handler/cloudevents/cloudevents.go

@@ -1,94 +0,0 @@
-// Package cloudevents provides a cloudevents handler publishing the event using the go-micro/client
-package cloudevents
-
-import (
-	"net/http"
-	"path"
-	"regexp"
-	"strings"
-
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/util/ctx"
-)
-
-type event struct {
-	options handler.Options
-}
-
-var (
-	Handler   = "cloudevents"
-	versionRe = regexp.MustCompilePOSIX("^v[0-9]+$")
-)
-
-func eventName(parts []string) string {
-	return strings.Join(parts, ".")
-}
-
-func evRoute(ns, p string) (string, string) {
-	p = path.Clean(p)
-	p = strings.TrimPrefix(p, "/")
-
-	if len(p) == 0 {
-		return ns, "event"
-	}
-
-	parts := strings.Split(p, "/")
-
-	// no path
-	if len(parts) == 0 {
-		// topic: namespace
-		// action: event
-		return strings.Trim(ns, "."), "event"
-	}
-
-	// Treat /v[0-9]+ as versioning
-	// /v1/foo/bar => topic: v1.foo action: bar
-	if len(parts) >= 2 && versionRe.Match([]byte(parts[0])) {
-		topic := ns + "." + strings.Join(parts[:2], ".")
-		action := eventName(parts[1:])
-		return topic, action
-	}
-
-	// /foo => topic: ns.foo action: foo
-	// /foo/bar => topic: ns.foo action: bar
-	topic := ns + "." + strings.Join(parts[:1], ".")
-	action := eventName(parts[1:])
-
-	return topic, action
-}
-
-func (e *event) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	// request to topic:event
-	// create event
-	// publish to topic
-	topic, _ := evRoute(e.options.Namespace, r.URL.Path)
-
-	// create event
-	ev, err := FromRequest(r)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-
-	// get client
-	c := e.options.Service.Client()
-
-	// create publication
-	p := c.NewMessage(topic, ev)
-
-	// publish event
-	if err := c.Publish(ctx.FromRequest(r), p); err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-}
-
-func (e *event) String() string {
-	return "cloudevents"
-}
-
-func NewHandler(opts ...handler.Option) handler.Handler {
-	return &event{
-		options: handler.NewOptions(opts...),
-	}
-}

api/handler/cloudevents/event.go

@@ -1,282 +0,0 @@
-/*
- * From: https://github.com/serverless/event-gateway/blob/master/event/event.go
- * Modified: Strip to handler requirements
- *
- * Copyright 2017 Serverless, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package cloudevents
-
-import (
-	"encoding/json"
-	"errors"
-	"fmt"
-	"io/ioutil"
-	"mime"
-	"net/http"
-	"strings"
-	"time"
-	"unicode"
-
-	"github.com/google/uuid"
-	validator "gopkg.in/go-playground/validator.v9"
-)
-
-const (
-	// TransformationVersion is indicative of the revision of how Event Gateway transforms a request into CloudEvents format.
-	TransformationVersion = "0.1"
-
-	// CloudEventsVersion currently supported by Event Gateway
-	CloudEventsVersion = "0.1"
-)
-
-// Event is a default event structure. All data that passes through the Event Gateway
-// is formatted to a format defined CloudEvents v0.1 spec.
-type Event struct {
-	EventType          string                 `json:"eventType" validate:"required"`
-	EventTypeVersion   string                 `json:"eventTypeVersion,omitempty"`
-	CloudEventsVersion string                 `json:"cloudEventsVersion" validate:"required"`
-	Source             string                 `json:"source" validate:"uri,required"`
-	EventID            string                 `json:"eventID" validate:"required"`
-	EventTime          *time.Time             `json:"eventTime,omitempty"`
-	SchemaURL          string                 `json:"schemaURL,omitempty"`
-	Extensions         map[string]interface{} `json:"extensions,omitempty"`
-	ContentType        string                 `json:"contentType,omitempty"`
-	Data               interface{}            `json:"data"`
-}
-
-// New return new instance of Event.
-func New(eventType string, mimeType string, payload interface{}) *Event {
-	now := time.Now()
-
-	event := &Event{
-		EventType:          eventType,
-		CloudEventsVersion: CloudEventsVersion,
-		Source:             "https://micro.mu",
-		EventID:            uuid.New().String(),
-		EventTime:          &now,
-		ContentType:        mimeType,
-		Data:               payload,
-		Extensions: map[string]interface{}{
-			"eventgateway": map[string]interface{}{
-				"transformed":            "true",
-				"transformation-version": TransformationVersion,
-			},
-		},
-	}
-
-	event.Data = normalizePayload(event.Data, event.ContentType)
-	return event
-}
-
-// FromRequest takes an HTTP request and returns an Event along with path. Most of the implementation
-// is based on https://github.com/cloudevents/spec/blob/master/http-transport-binding.md.
-// This function also supports legacy mode where event type is sent in Event header.
-func FromRequest(r *http.Request) (*Event, error) {
-	contentType := r.Header.Get("Content-Type")
-	mimeType, _, err := mime.ParseMediaType(contentType)
-	if err != nil {
-		if err.Error() != "mime: no media type" {
-			return nil, err
-		}
-		mimeType = "application/octet-stream"
-	}
-	// Read request body
-	body := []byte{}
-	if r.Body != nil {
-		body, err = ioutil.ReadAll(r.Body)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	var event *Event
-	if mimeType == mimeCloudEventsJSON { // CloudEvents Structured Content Mode
-		return parseAsCloudEvent(mimeType, body)
-	} else if isCloudEventsBinaryContentMode(r.Header) { // CloudEvents Binary Content Mode
-		return parseAsCloudEventBinary(r.Header, body)
-	} else if isLegacyMode(r.Header) {
-		if mimeType == mimeJSON { // CloudEvent in Legacy Mode
-			event, err = parseAsCloudEvent(mimeType, body)
-			if err != nil {
-				return New(string(r.Header.Get("event")), mimeType, body), nil
-			}
-			return event, err
-		}
-
-		return New(string(r.Header.Get("event")), mimeType, body), nil
-	}
-
-	return New("http.request", mimeJSON, newHTTPRequestData(r, body)), nil
-}
-
-// Validate Event struct
-func (e *Event) Validate() error {
-	validate := validator.New()
-	err := validate.Struct(e)
-	if err != nil {
-		return fmt.Errorf("CloudEvent not valid: %v", err)
-	}
-	return nil
-}
-
-func isLegacyMode(headers http.Header) bool {
-	if headers.Get("Event") != "" {
-		return true
-	}
-
-	return false
-}
-
-func isCloudEventsBinaryContentMode(headers http.Header) bool {
-	if headers.Get("CE-EventType") != "" &&
-		headers.Get("CE-CloudEventsVersion") != "" &&
-		headers.Get("CE-Source") != "" &&
-		headers.Get("CE-EventID") != "" {
-		return true
-	}
-
-	return false
-}
-
-func parseAsCloudEventBinary(headers http.Header, payload interface{}) (*Event, error) {
-	event := &Event{
-		EventType:          headers.Get("CE-EventType"),
-		EventTypeVersion:   headers.Get("CE-EventTypeVersion"),
-		CloudEventsVersion: headers.Get("CE-CloudEventsVersion"),
-		Source:             headers.Get("CE-Source"),
-		EventID:            headers.Get("CE-EventID"),
-		ContentType:        headers.Get("Content-Type"),
-		Data:               payload,
-	}
-
-	err := event.Validate()
-	if err != nil {
-		return nil, err
-	}
-
-	if headers.Get("CE-EventTime") != "" {
-		val, err := time.Parse(time.RFC3339, headers.Get("CE-EventTime"))
-		if err != nil {
-			return nil, err
-		}
-		event.EventTime = &val
-	}
-
-	if val := headers.Get("CE-SchemaURL"); len(val) > 0 {
-		event.SchemaURL = val
-	}
-
-	event.Extensions = map[string]interface{}{}
-	for key, val := range flatten(headers) {
-		if strings.HasPrefix(key, "Ce-X-") {
-			key = strings.TrimLeft(key, "Ce-X-")
-			// Make first character lowercase
-			runes := []rune(key)
-			runes[0] = unicode.ToLower(runes[0])
-			event.Extensions[string(runes)] = val
-		}
-	}
-
-	event.Data = normalizePayload(event.Data, event.ContentType)
-	return event, nil
-}
-
-func flatten(h http.Header) map[string]string {
-	headers := map[string]string{}
-	for key, header := range h {
-		headers[key] = header[0]
-		if len(header) > 1 {
-			headers[key] = strings.Join(header, ", ")
-		}
-	}
-	return headers
-}
-
-func parseAsCloudEvent(mime string, payload interface{}) (*Event, error) {
-	body, ok := payload.([]byte)
-	if ok {
-		event := &Event{}
-		err := json.Unmarshal(body, event)
-		if err != nil {
-			return nil, err
-		}
-
-		err = event.Validate()
-		if err != nil {
-			return nil, err
-		}
-
-		event.Data = normalizePayload(event.Data, event.ContentType)
-		return event, nil
-	}
-
-	return nil, errors.New("couldn't cast to []byte")
-}
-
-const (
-	mimeJSON            = "application/json"
-	mimeFormMultipart   = "multipart/form-data"
-	mimeFormURLEncoded  = "application/x-www-form-urlencoded"
-	mimeCloudEventsJSON = "application/cloudevents+json"
-)
-
-// normalizePayload takes anything, checks if it's []byte array and depending on provided mime
-// type converts it to either string or map[string]interface to avoid having base64 string after
-// JSON marshaling.
-func normalizePayload(payload interface{}, mime string) interface{} {
-	if bytePayload, ok := payload.([]byte); ok && len(bytePayload) > 0 {
-		switch {
-		case mime == mimeJSON || strings.HasSuffix(mime, "+json"):
-			var result map[string]interface{}
-			err := json.Unmarshal(bytePayload, &result)
-			if err != nil {
-				return payload
-			}
-			return result
-		case strings.HasPrefix(mime, mimeFormMultipart), mime == mimeFormURLEncoded:
-			return string(bytePayload)
-		}
-	}
-
-	return payload
-}
-
-// HTTPRequestData is a event schema used for sending events to HTTP subscriptions.
-type HTTPRequestData struct {
-	Headers map[string]string   `json:"headers"`
-	Query   map[string][]string `json:"query"`
-	Body    interface{}         `json:"body"`
-	Host    string              `json:"host"`
-	Path    string              `json:"path"`
-	Method  string              `json:"method"`
-	Params  map[string]string   `json:"params"`
-}
-
-// NewHTTPRequestData returns a new instance of HTTPRequestData
-func newHTTPRequestData(r *http.Request, eventData interface{}) *HTTPRequestData {
-	req := &HTTPRequestData{
-		Headers: flatten(r.Header),
-		Query:   r.URL.Query(),
-		Body:    eventData,
-		Host:    r.Host,
-		Path:    r.URL.Path,
-		Method:  r.Method,
-	}
-
-	req.Body = normalizePayload(req.Body, r.Header.Get("content-type"))
-	return req
-}

api/handler/event/event.go

@@ -4,7 +4,6 @@ package event
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
 	"net/http"
 	"path"
 	"regexp"
@@ -12,13 +11,18 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/micro/go-micro/v2/api/handler"
-	proto "github.com/micro/go-micro/v2/api/proto"
-	"github.com/micro/go-micro/v2/util/ctx"
+	"github.com/oxtoacart/bpool"
+	"github.com/unistack-org/micro/v3/api/handler"
+	proto "github.com/unistack-org/micro/v3/api/proto"
+	"github.com/unistack-org/micro/v3/util/ctx"
+)
+
+var (
+	bufferPool = bpool.NewSizedBufferPool(1024, 8)
 )
 
 type event struct {
-	options handler.Options
+	opts handler.Options
 }
 
 var (
@@ -64,11 +68,18 @@ func evRoute(ns, p string) (string, string) {
 }
 
 func (e *event) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	bsize := handler.DefaultMaxRecvSize
+	if e.opts.MaxRecvSize > 0 {
+		bsize = e.opts.MaxRecvSize
+	}
+
+	r.Body = http.MaxBytesReader(w, r.Body, bsize)
+
 	// request to topic:event
 	// create event
 	// publish to topic
 
-	topic, action := evRoute(e.options.Namespace, r.URL.Path)
+	topic, action := evRoute(e.opts.Namespace, r.URL.Path)
 
 	// create event
 	ev := &proto.Event{
@@ -96,16 +107,18 @@ func (e *event) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		bytes, _ := json.Marshal(r.URL.Query())
 		ev.Data = string(bytes)
 	} else {
-		b, err := ioutil.ReadAll(r.Body)
-		if err != nil {
+		// Read body
+		buf := bufferPool.Get()
+		defer bufferPool.Put(buf)
+		if _, err := buf.ReadFrom(r.Body); err != nil {
 			http.Error(w, err.Error(), 500)
 			return
 		}
-		ev.Data = string(b)
+		ev.Data = buf.String()
 	}
 
 	// get client
-	c := e.options.Service.Client()
+	c := e.opts.Client
 
 	// create publication
 	p := c.NewMessage(topic, ev)
@@ -123,6 +136,6 @@ func (e *event) String() string {
 
 func NewHandler(opts ...handler.Option) handler.Handler {
 	return &event{
-		options: handler.NewOptions(opts...),
+		opts: handler.NewOptions(opts...),
 	}
 }

api/handler/file/file.go

@@ -1,16 +0,0 @@
-// Package file serves file relative to the current directory
-package file
-
-import (
-	"net/http"
-)
-
-type Handler struct{}
-
-func (h *Handler) Serve(w http.ResponseWriter, r *http.Request) {
-	http.ServeFile(w, r, "."+r.URL.Path)
-}
-
-func (h *Handler) String() string {
-	return "file"
-}

api/handler/http/http.go

@@ -4,13 +4,14 @@ package http
 import (
 	"errors"
 	"fmt"
+	"math/rand"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
 
-	"github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/client/selector"
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/handler"
+	"github.com/unistack-org/micro/v3/registry"
 )
 
 const (
@@ -20,7 +21,7 @@ const (
 type httpHandler struct {
 	options handler.Options
 
-	// set with different initialiser
+	// set with different initializer
 	s *api.Service
 }
 
@@ -64,16 +65,20 @@ func (h *httpHandler) getService(r *http.Request) (string, error) {
 		return "", errors.New("no route found")
 	}
 
-	// create a random selector
-	next := selector.Random(service.Services)
-
-	// get the next node
-	s, err := next()
-	if err != nil {
-		return "", nil
+	if len(service.Services) == 0 {
+		return "", errors.New("no route found")
 	}
 
-	return fmt.Sprintf("http://%s", s.Address), nil
+	// get the nodes for this service
+	nodes := make([]*registry.Node, 0, len(service.Services))
+	for _, srv := range service.Services {
+		nodes = append(nodes, srv.Nodes...)
+	}
+
+	// select a random node
+	node := nodes[rand.Int()%len(nodes)]
+
+	return fmt.Sprintf("http://%s", node.Address), nil
 }
 
 func (h *httpHandler) String() string {

api/handler/http/http_test.go

@@ -1,3 +1,5 @@
+// +build ignore
+
 package http
 
 import (
@@ -6,11 +8,13 @@ import (
 	"net/http/httptest"
 	"testing"
 
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/api/router"
-	regRouter "github.com/micro/go-micro/v2/api/router/registry"
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/registry/memory"
+	"github.com/unistack-org/micro/v3/api/handler"
+	"github.com/unistack-org/micro/v3/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver/vpath"
+	"github.com/unistack-org/micro/v3/api/router"
+	regRouter "github.com/unistack-org/micro/v3/api/router/registry"
+	"github.com/unistack-org/micro/v3/registry"
+	"github.com/unistack-org/micro/v3/registry/memory"
 )
 
 func testHttp(t *testing.T, path, service, ns string) {
@@ -54,8 +58,10 @@ func testHttp(t *testing.T, path, service, ns string) {
 	// initialise the handler
 	rt := regRouter.NewRouter(
 		router.WithHandler("http"),
-		router.WithNamespace(ns),
 		router.WithRegistry(r),
+		router.WithResolver(vpath.NewResolver(
+			resolver.WithServicePrefix(ns),
+		)),
 	)
 
 	p := NewHandler(handler.WithRouter(rt))
@@ -116,6 +122,8 @@ func TestHttpHandler(t *testing.T) {
 	}
 
 	for _, d := range testData {
-		testHttp(t, d.path, d.service, d.namespace)
+		t.Run(d.service, func(t *testing.T) {
+			testHttp(t, d.path, d.service, d.namespace)
+		})
 	}
 }

api/handler/options.go

@@ -1,14 +1,19 @@
 package handler
 
 import (
-	"github.com/micro/go-micro/v2"
-	"github.com/micro/go-micro/v2/api/router"
+	"github.com/unistack-org/micro/v3/api/router"
+	"github.com/unistack-org/micro/v3/client"
+)
+
+var (
+	DefaultMaxRecvSize int64 = 1024 * 1024 * 100 // 10Mb
 )
 
 type Options struct {
-	Namespace string
-	Router    router.Router
-	Service   micro.Service
+	MaxRecvSize int64
+	Namespace   string
+	Router      router.Router
+	Client      client.Client
 }
 
 type Option func(o *Options)
@@ -20,16 +25,15 @@ func NewOptions(opts ...Option) Options {
 		o(&options)
 	}
 
-	// create service if its blank
-	if options.Service == nil {
-		WithService(micro.NewService())(&options)
-	}
-
 	// set namespace if blank
 	if len(options.Namespace) == 0 {
 		WithNamespace("go.micro.api")(&options)
 	}
 
+	if options.MaxRecvSize == 0 {
+		options.MaxRecvSize = DefaultMaxRecvSize
+	}
+
 	return options
 }
 
@@ -47,9 +51,15 @@ func WithRouter(r router.Router) Option {
 	}
 }
 
-// WithService specifies a micro.Service
-func WithService(s micro.Service) Option {
+func WithClient(c client.Client) Option {
 	return func(o *Options) {
-		o.Service = s
+		o.Client = c
+	}
+}
+
+// WithMaxRecvSize specifies max body size
+func WithMaxRecvSize(size int64) Option {
+	return func(o *Options) {
+		o.MaxRecvSize = size
 	}
 }

api/handler/registry/registry.go

@@ -1,211 +0,0 @@
-// Package registry is a go-micro/registry handler
-package registry
-
-import (
-	"encoding/json"
-	"io/ioutil"
-	"net/http"
-	"strconv"
-	"time"
-
-	"github.com/gorilla/websocket"
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/registry"
-)
-
-const (
-	Handler = "registry"
-
-	pingTime      = (readDeadline * 9) / 10
-	readLimit     = 16384
-	readDeadline  = 60 * time.Second
-	writeDeadline = 10 * time.Second
-)
-
-type registryHandler struct {
-	opts handler.Options
-	reg  registry.Registry
-}
-
-func (rh *registryHandler) add(w http.ResponseWriter, r *http.Request) {
-	r.ParseForm()
-	b, err := ioutil.ReadAll(r.Body)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	defer r.Body.Close()
-
-	var opts []registry.RegisterOption
-
-	// parse ttl
-	if ttl := r.Form.Get("ttl"); len(ttl) > 0 {
-		d, err := time.ParseDuration(ttl)
-		if err == nil {
-			opts = append(opts, registry.RegisterTTL(d))
-		}
-	}
-
-	var service *registry.Service
-	err = json.Unmarshal(b, &service)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	err = rh.reg.Register(service, opts...)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-}
-
-func (rh *registryHandler) del(w http.ResponseWriter, r *http.Request) {
-	r.ParseForm()
-	b, err := ioutil.ReadAll(r.Body)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	defer r.Body.Close()
-
-	var service *registry.Service
-	err = json.Unmarshal(b, &service)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	err = rh.reg.Deregister(service)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-}
-
-func (rh *registryHandler) get(w http.ResponseWriter, r *http.Request) {
-	r.ParseForm()
-	service := r.Form.Get("service")
-
-	var s []*registry.Service
-	var err error
-
-	if len(service) == 0 {
-		//
-		upgrade := r.Header.Get("Upgrade")
-		connect := r.Header.Get("Connection")
-
-		// watch if websockets
-		if upgrade == "websocket" && connect == "Upgrade" {
-			rw, err := rh.reg.Watch()
-			if err != nil {
-				http.Error(w, err.Error(), 500)
-				return
-			}
-			watch(rw, w, r)
-			return
-		}
-
-		// otherwise list services
-		s, err = rh.reg.ListServices()
-	} else {
-		s, err = rh.reg.GetService(service)
-	}
-
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-
-	if s == nil || (len(service) > 0 && (len(s) == 0 || len(s[0].Name) == 0)) {
-		http.Error(w, "Service not found", 404)
-		return
-	}
-
-	b, err := json.Marshal(s)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-
-	w.Header().Set("Content-Type", "application/json")
-	w.Header().Set("Content-Length", strconv.Itoa(len(b)))
-	w.Write(b)
-}
-
-func ping(ws *websocket.Conn, exit chan bool) {
-	ticker := time.NewTicker(pingTime)
-
-	for {
-		select {
-		case <-ticker.C:
-			ws.SetWriteDeadline(time.Now().Add(writeDeadline))
-			err := ws.WriteMessage(websocket.PingMessage, []byte{})
-			if err != nil {
-				return
-			}
-		case <-exit:
-			return
-		}
-	}
-}
-
-func watch(rw registry.Watcher, w http.ResponseWriter, r *http.Request) {
-	upgrader := websocket.Upgrader{
-		ReadBufferSize:  1024,
-		WriteBufferSize: 1024,
-	}
-
-	ws, err := upgrader.Upgrade(w, r, nil)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-
-	// we need an exit chan
-	exit := make(chan bool)
-
-	defer func() {
-		close(exit)
-	}()
-
-	// ping the socket
-	go ping(ws, exit)
-
-	for {
-		// get next result
-		r, err := rw.Next()
-		if err != nil {
-			http.Error(w, err.Error(), 500)
-			return
-		}
-
-		// write to client
-		ws.SetWriteDeadline(time.Now().Add(writeDeadline))
-		if err := ws.WriteJSON(r); err != nil {
-			return
-		}
-	}
-}
-
-func (rh *registryHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	switch r.Method {
-	case "GET":
-		rh.get(w, r)
-	case "POST":
-		rh.add(w, r)
-	case "DELETE":
-		rh.del(w, r)
-	}
-}
-
-func (rh *registryHandler) String() string {
-	return "registry"
-}
-
-func NewHandler(opts ...handler.Option) handler.Handler {
-	options := handler.NewOptions(opts...)
-
-	return &registryHandler{
-		opts: options,
-		reg:  options.Service.Client().Options().Registry,
-	}
-}

api/handler/rpc/rpc.go

@@ -4,23 +4,25 @@ package rpc
 import (
 	"encoding/json"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"strconv"
 	"strings"
 
-	"github.com/joncalhoun/qson"
-	"github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/api/handler"
-	proto "github.com/micro/go-micro/v2/api/internal/proto"
-	"github.com/micro/go-micro/v2/client"
-	"github.com/micro/go-micro/v2/client/selector"
-	"github.com/micro/go-micro/v2/codec"
-	"github.com/micro/go-micro/v2/codec/jsonrpc"
-	"github.com/micro/go-micro/v2/codec/protorpc"
-	"github.com/micro/go-micro/v2/errors"
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/util/ctx"
+	jsonpatch "github.com/evanphx/json-patch/v5"
+	"github.com/oxtoacart/bpool"
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/handler"
+	"github.com/unistack-org/micro/v3/api/internal/proto"
+	"github.com/unistack-org/micro/v3/client"
+	"github.com/unistack-org/micro/v3/codec"
+	"github.com/unistack-org/micro/v3/codec/jsonrpc"
+	"github.com/unistack-org/micro/v3/codec/protorpc"
+	"github.com/unistack-org/micro/v3/errors"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
+	"github.com/unistack-org/micro/v3/util/ctx"
+	"github.com/unistack-org/micro/v3/util/qson"
+	"github.com/unistack-org/micro/v3/util/router"
 )
 
 const (
@@ -44,6 +46,8 @@ var (
 		"application/proto-rpc",
 		"application/octet-stream",
 	}
+
+	bufferPool = bpool.NewSizedBufferPool(1024, 8)
 )
 
 type rpcHandler struct {
@@ -59,15 +63,14 @@ func (b *buffer) Write(_ []byte) (int, error) {
 	return 0, nil
 }
 
-// strategy is a hack for selection
-func strategy(services []*registry.Service) selector.Strategy {
-	return func(_ []*registry.Service) selector.Next {
-		// ignore input to this function, use services above
-		return selector.Random(services)
-	}
-}
-
 func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	bsize := handler.DefaultMaxRecvSize
+	if h.opts.MaxRecvSize > 0 {
+		bsize = h.opts.MaxRecvSize
+	}
+
+	r.Body = http.MaxBytesReader(w, r.Body, bsize)
+
 	defer r.Body.Close()
 	var service *api.Service
 
@@ -88,12 +91,6 @@ func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// only allow post when we have the router
-	if r.Method != "GET" && (h.opts.Router != nil && r.Method != "POST") {
-		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
-		return
-	}
-
 	ct := r.Header.Get("Content-Type")
 
 	// Strip charset from Content-Type (like `application/json; charset=UTF-8`)
@@ -102,22 +99,23 @@ func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// micro client
-	c := h.opts.Service.Client()
+	c := h.opts.Client
 
 	// create context
 	cx := ctx.FromRequest(r)
 
+	// set merged context to request
+	*r = *r.Clone(cx)
 	// if stream we currently only support json
 	if isStream(r, service) {
 		serveWebsocket(cx, w, r, service, c)
 		return
 	}
 
-	// create strategy
-	so := selector.WithStrategy(strategy(service.Services))
+	// create custom router
+	callOpt := client.WithRouter(router.New(service.Services))
 
 	// walk the standard call path
-
 	// get payload
 	br, err := requestPayload(r)
 	if err != nil {
@@ -147,13 +145,18 @@ func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		)
 
 		// make the call
-		if err := c.Call(cx, req, response, client.WithSelectOption(so)); err != nil {
+		if err := c.Call(cx, req, response, callOpt); err != nil {
 			writeError(w, r, err)
 			return
 		}
 
 		// marshall response
-		rsp, _ = response.Marshal()
+		rsp, err = response.Marshal()
+		if err != nil {
+			writeError(w, r, err)
+			return
+		}
+
 	default:
 		// if json codec is not present set to json
 		if !hasCodec(ct, jsonCodecs) {
@@ -176,15 +179,18 @@ func (h *rpcHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			&request,
 			client.WithContentType(ct),
 		)
-
 		// make the call
-		if err := c.Call(cx, req, &response, client.WithSelectOption(so)); err != nil {
+		if err := c.Call(cx, req, &response, callOpt); err != nil {
 			writeError(w, r, err)
 			return
 		}
 
 		// marshall response
-		rsp, _ = response.MarshalJSON()
+		rsp, err = response.MarshalJSON()
+		if err != nil {
+			writeError(w, r, err)
+			return
+		}
 	}
 
 	// write the response
@@ -208,8 +214,11 @@ func hasCodec(ct string, codecs []string) bool {
 // If the request is a GET the query string parameters are extracted and marshaled to JSON and the raw bytes are returned.
 // If the request method is a POST the request body is read and returned
 func requestPayload(r *http.Request) ([]byte, error) {
+	var err error
+
 	// we have to decode json-rpc and proto-rpc because we suck
 	// well actually because there's no proxy codec right now
+
 	ct := r.Header.Get("Content-Type")
 	switch {
 	case strings.Contains(ct, "application/json-rpc"):
@@ -218,11 +227,11 @@ func requestPayload(r *http.Request) ([]byte, error) {
 			Header: make(map[string]string),
 		}
 		c := jsonrpc.NewCodec(&buffer{r.Body})
-		if err := c.ReadHeader(&msg, codec.Request); err != nil {
+		if err = c.ReadHeader(&msg, codec.Request); err != nil {
 			return nil, err
 		}
 		var raw json.RawMessage
-		if err := c.ReadBody(&raw); err != nil {
+		if err = c.ReadBody(&raw); err != nil {
 			return nil, err
 		}
 		return ([]byte)(raw), nil
@@ -232,15 +241,14 @@ func requestPayload(r *http.Request) ([]byte, error) {
 			Header: make(map[string]string),
 		}
 		c := protorpc.NewCodec(&buffer{r.Body})
-		if err := c.ReadHeader(&msg, codec.Request); err != nil {
+		if err = c.ReadHeader(&msg, codec.Request); err != nil {
 			return nil, err
 		}
 		var raw proto.Message
-		if err := c.ReadBody(&raw); err != nil {
+		if err = c.ReadBody(&raw); err != nil {
 			return nil, err
 		}
-		b, _ := raw.Marshal()
-		return b, nil
+		return raw.Marshal()
 	case strings.Contains(ct, "application/www-x-form-urlencoded"):
 		r.ParseForm()
 
@@ -251,20 +259,158 @@ func requestPayload(r *http.Request) ([]byte, error) {
 		}
 
 		// marshal
-		b, _ := json.Marshal(vals)
-		return b, nil
+		return json.Marshal(vals)
 		// TODO: application/grpc
 	}
 
 	// otherwise as per usual
+	ctx := r.Context()
+	// dont user metadata.FromContext as it mangles names
+	md, ok := metadata.FromContext(ctx)
+	if !ok {
+		md = make(map[string]string)
+	}
+
+	// allocate maximum
+	matches := make(map[string]interface{}, len(md))
+	bodydst := ""
+
+	// get fields from url path
+	for k, v := range md {
+		k = strings.ToLower(k)
+		// filter own keys
+		if strings.HasPrefix(k, "x-api-field-") {
+			matches[strings.TrimPrefix(k, "x-api-field-")] = v
+			delete(md, k)
+		} else if k == "x-api-body" {
+			bodydst = v
+			delete(md, k)
+		}
+	}
+
+	// map of all fields
+	req := make(map[string]interface{}, len(md))
+
+	// get fields from url values
+	if len(r.URL.RawQuery) > 0 {
+		umd := make(map[string]interface{})
+		err = qson.Unmarshal(&umd, r.URL.RawQuery)
+		if err != nil {
+			return nil, err
+		}
+		for k, v := range umd {
+			matches[k] = v
+		}
+	}
+
+	// restore context without fields
+	*r = *r.Clone(metadata.NewContext(ctx, md))
+
+	for k, v := range matches {
+		ps := strings.Split(k, ".")
+		if len(ps) == 1 {
+			req[k] = v
+			continue
+		}
+		em := make(map[string]interface{})
+		em[ps[len(ps)-1]] = v
+		for i := len(ps) - 2; i > 0; i-- {
+			nm := make(map[string]interface{})
+			nm[ps[i]] = em
+			em = nm
+		}
+		if vm, ok := req[ps[0]]; ok {
+			// nested map
+			nm := vm.(map[string]interface{})
+			for vk, vv := range em {
+				nm[vk] = vv
+			}
+			req[ps[0]] = nm
+		} else {
+			req[ps[0]] = em
+		}
+	}
+	pathbuf := []byte("{}")
+	if len(req) > 0 {
+		pathbuf, err = json.Marshal(req)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	urlbuf := []byte("{}")
+	out, err := jsonpatch.MergeMergePatches(urlbuf, pathbuf)
+	if err != nil {
+		return nil, err
+	}
 
 	switch r.Method {
 	case "GET":
-		if len(r.URL.RawQuery) > 0 {
-			return qson.ToJSON(r.URL.RawQuery)
+		// empty response
+		if strings.Contains(ct, "application/json") && string(out) == "{}" {
+			return out, nil
+		} else if string(out) == "{}" && !strings.Contains(ct, "application/json") {
+			return []byte{}, nil
 		}
-	case "PATCH", "POST":
-		return ioutil.ReadAll(r.Body)
+		return out, nil
+	case "PATCH", "POST", "PUT", "DELETE":
+		bodybuf := []byte("{}")
+		buf := bufferPool.Get()
+		defer bufferPool.Put(buf)
+		if _, err := buf.ReadFrom(r.Body); err != nil {
+			return nil, err
+		}
+		if b := buf.Bytes(); len(b) > 0 {
+			bodybuf = b
+		}
+		if bodydst == "" || bodydst == "*" {
+			if out, err = jsonpatch.MergeMergePatches(out, bodybuf); err == nil {
+				return out, nil
+			}
+		}
+		var jsonbody map[string]interface{}
+		if json.Valid(bodybuf) {
+			if err = json.Unmarshal(bodybuf, &jsonbody); err != nil {
+				return nil, err
+			}
+		}
+		dstmap := make(map[string]interface{})
+		ps := strings.Split(bodydst, ".")
+		if len(ps) == 1 {
+			if jsonbody != nil {
+				dstmap[ps[0]] = jsonbody
+			} else {
+				// old unexpected behaviour
+				dstmap[ps[0]] = bodybuf
+			}
+		} else {
+			em := make(map[string]interface{})
+			if jsonbody != nil {
+				em[ps[len(ps)-1]] = jsonbody
+			} else {
+				// old unexpected behaviour
+				em[ps[len(ps)-1]] = bodybuf
+			}
+			for i := len(ps) - 2; i > 0; i-- {
+				nm := make(map[string]interface{})
+				nm[ps[i]] = em
+				em = nm
+			}
+			dstmap[ps[0]] = em
+		}
+
+		bodyout, err := json.Marshal(dstmap)
+		if err != nil {
+			return nil, err
+		}
+
+		if out, err = jsonpatch.MergeMergePatches(out, bodyout); err == nil {
+			return out, nil
+		}
+
+		//fallback to previous unknown behaviour
+		return bodybuf, nil
+
 	}
 
 	return []byte{}, nil
@@ -296,7 +442,12 @@ func writeError(w http.ResponseWriter, r *http.Request, err error) {
 		w.Header().Set("grpc-message", ce.Detail)
 	}
 
-	w.Write([]byte(ce.Error()))
+	_, werr := w.Write([]byte(ce.Error()))
+	if werr != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Error(werr)
+		}
+	}
 }
 
 func writeResponse(w http.ResponseWriter, r *http.Request, rsp []byte) {
@@ -311,8 +462,19 @@ func writeResponse(w http.ResponseWriter, r *http.Request, rsp []byte) {
 		w.Header().Set("grpc-message", "")
 	}
 
+	// write 204 status if rsp is nil
+	if len(rsp) == 0 {
+		w.WriteHeader(http.StatusNoContent)
+	}
+
 	// write response
-	w.Write(rsp)
+	_, err := w.Write(rsp)
+	if err != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Error(err)
+		}
+	}
+
 }
 
 func NewHandler(opts ...handler.Option) handler.Handler {

api/handler/rpc/rpc_test.go

@@ -7,7 +7,7 @@ import (
 	"testing"
 
 	"github.com/golang/protobuf/proto"
-	go_api "github.com/micro/go-micro/v2/api/proto"
+	go_api "github.com/unistack-org/micro/v3/api/proto"
 )
 
 func TestRequestPayloadFromRequest(t *testing.T) {
@@ -27,6 +27,23 @@ func TestRequestPayloadFromRequest(t *testing.T) {
 		t.Fatal("Failed to marshal proto to JSON ", err)
 	}
 
+	jsonUrlBytes := []byte(`{"key1":"val1","key2":"val2","name":"Test"}`)
+
+	t.Run("extracting a json from a POST request with url params", func(t *testing.T) {
+		r, err := http.NewRequest("POST", "http://localhost/my/path?key1=val1&key2=val2", bytes.NewReader(jsonBytes))
+		if err != nil {
+			t.Fatalf("Failed to created http.Request: %v", err)
+		}
+
+		extByte, err := requestPayload(r)
+		if err != nil {
+			t.Fatalf("Failed to extract payload from request: %v", err)
+		}
+		if string(extByte) != string(jsonUrlBytes) {
+			t.Fatalf("Expected %v and %v to match", string(extByte), jsonUrlBytes)
+		}
+	})
+
 	t.Run("extracting a proto from a POST request", func(t *testing.T) {
 		r, err := http.NewRequest("POST", "http://localhost/my/path", bytes.NewReader(protoBytes))
 		if err != nil {

api/handler/rpc/stream.go

@@ -1,108 +1,222 @@
 package rpc
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
+	"io"
 	"net/http"
 	"strings"
+	"time"
 
-	"github.com/gorilla/websocket"
-	"github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/client"
-	"github.com/micro/go-micro/v2/client/selector"
+	"github.com/gobwas/httphead"
+	"github.com/gobwas/ws"
+	"github.com/gobwas/ws/wsutil"
+	raw "github.com/unistack-org/micro-codec-bytes"
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/client"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/util/router"
 )
 
-var upgrader = websocket.Upgrader{
-	ReadBufferSize:  1024,
-	WriteBufferSize: 1024,
-}
-
 // serveWebsocket will stream rpc back over websockets assuming json
 func serveWebsocket(ctx context.Context, w http.ResponseWriter, r *http.Request, service *api.Service, c client.Client) {
-	// upgrade the connection
-	conn, err := upgrader.Upgrade(w, r, nil)
-	if err != nil {
-		return
-	}
-	// close on exit
-	defer conn.Close()
+	var op ws.OpCode
 
-	// wait for the first request so we know
-	_, p, err := conn.ReadMessage()
+	ct := r.Header.Get("Content-Type")
+	// Strip charset from Content-Type (like `application/json; charset=UTF-8`)
+	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
+		ct = ct[:idx]
+	}
+
+	// check proto from request
+	switch ct {
+	case "application/json":
+		op = ws.OpText
+	default:
+		op = ws.OpBinary
+	}
+
+	hdr := make(http.Header)
+	if proto, ok := r.Header["Sec-WebSocket-Protocol"]; ok {
+		for _, p := range proto {
+			switch p {
+			case "binary":
+				hdr["Sec-WebSocket-Protocol"] = []string{"binary"}
+				op = ws.OpBinary
+			}
+		}
+	}
+	payload, err := requestPayload(r)
 	if err != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Error(err)
+		}
 		return
 	}
 
-	// send to backend
-	// default to trying json
-	var request json.RawMessage
-	// if the extracted payload isn't empty lets use it
-	if len(p) > 0 {
-		request = json.RawMessage(p)
+	upgrader := ws.HTTPUpgrader{Timeout: 5 * time.Second,
+		Protocol: func(proto string) bool {
+			if strings.Contains(proto, "binary") {
+				return true
+			}
+			// fallback to support all protocols now
+			return true
+		},
+		Extension: func(httphead.Option) bool {
+			// disable extensions for compatibility
+			return false
+		},
+		Header: hdr,
 	}
 
-	// create a request to the backend
+	conn, rw, _, err := upgrader.Upgrade(r, w)
+	if err != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Error(err)
+		}
+		return
+	}
+
+	defer func() {
+		if err := conn.Close(); err != nil {
+			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+				logger.Error(err)
+			}
+			return
+		}
+	}()
+
+	var request interface{}
+	if !bytes.Equal(payload, []byte(`{}`)) {
+		switch ct {
+		case "application/json", "":
+			m := json.RawMessage(payload)
+			request = &m
+		default:
+			request = &raw.Frame{Data: payload}
+		}
+	}
+
+	// we always need to set content type for message
+	if ct == "" {
+		ct = "application/json"
+	}
 	req := c.NewRequest(
 		service.Name,
 		service.Endpoint.Name,
-		&request,
-		client.WithContentType("application/json"),
+		request,
+		client.WithContentType(ct),
+		client.StreamingRequest(),
 	)
 
-	so := selector.WithStrategy(strategy(service.Services))
+	// create custom router
+	callOpt := client.WithRouter(router.New(service.Services))
 
 	// create a new stream
-	stream, err := c.Stream(ctx, req, client.WithSelectOption(so))
+	stream, err := c.Stream(ctx, req, callOpt)
 	if err != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Error(err)
+		}
 		return
 	}
 
-	// send the first request for the client
-	// since
-	if err := stream.Send(request); err != nil {
-		return
+	if request != nil {
+		if err = stream.Send(request); err != nil {
+			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+				logger.Error(err)
+			}
+			return
+		}
 	}
 
-	go writeLoop(conn, stream)
+	go writeLoop(rw, stream)
 
-	resp := stream.Response()
+	rsp := stream.Response()
 
 	// receive from stream and send to client
 	for {
-		// read backend response body
-		body, err := resp.Read()
-		if err != nil {
+		select {
+		case <-ctx.Done():
 			return
-		}
+		case <-stream.Context().Done():
+			return
+		default:
+			// read backend response body
+			buf, err := rsp.Read()
+			if err != nil {
+				// wants to avoid import  grpc/status.Status
+				if strings.Contains(err.Error(), "context canceled") {
+					return
+				}
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Error(err)
+				}
+				return
+			}
 
-		// write the response
-		if err := conn.WriteMessage(websocket.TextMessage, body); err != nil {
-			return
+			// write the response
+			if err := wsutil.WriteServerMessage(rw, op, buf); err != nil {
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Error(err)
+				}
+				return
+			}
+			if err = rw.Flush(); err != nil {
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Error(err)
+				}
+				return
+			}
 		}
 	}
 }
 
 // writeLoop
-func writeLoop(conn *websocket.Conn, stream client.Stream) {
+func writeLoop(rw io.ReadWriter, stream client.Stream) {
 	// close stream when done
 	defer stream.Close()
 
 	for {
-		_, p, err := conn.ReadMessage()
-		if err != nil {
-			return
-		}
-
-		// send to backend
-		// default to trying json
-		var request json.RawMessage
-		// if the extracted payload isn't empty lets use it
-		if len(p) > 0 {
-			request = json.RawMessage(p)
-		}
-
-		if err := stream.Send(request); err != nil {
+		select {
+		case <-stream.Context().Done():
 			return
+		default:
+			buf, op, err := wsutil.ReadClientData(rw)
+			if err != nil {
+				if wserr, ok := err.(wsutil.ClosedError); ok {
+					switch wserr.Code {
+					case ws.StatusGoingAway:
+						// this happens when user leave the page
+						return
+					case ws.StatusNormalClosure, ws.StatusNoStatusRcvd:
+						// this happens when user close ws connection, or we don't get any status
+						return
+					}
+				}
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Error(err)
+				}
+				return
+			}
+			switch op {
+			default:
+				// not relevant
+				continue
+			case ws.OpText, ws.OpBinary:
+				break
+			}
+			// send to backend
+			// default to trying json
+			// if the extracted payload isn't empty lets use it
+			request := &raw.Frame{Data: buf}
+			if err := stream.Send(request); err != nil {
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Error(err)
+				}
+				return
+			}
 		}
 	}
 }
@@ -112,7 +226,6 @@ func isStream(r *http.Request, srv *api.Service) bool {
 	if !isWebSocket(r) {
 		return false
 	}
-
 	// check if the endpoint supports streaming
 	for _, service := range srv.Services {
 		for _, ep := range service.Endpoints {
@@ -120,14 +233,12 @@ func isStream(r *http.Request, srv *api.Service) bool {
 			if ep.Name != srv.Endpoint.Name {
 				continue
 			}
-
 			// matched if the name
 			if v := ep.Metadata["stream"]; v == "true" {
 				return true
 			}
 		}
 	}
-
 	return false
 }
 

api/handler/udp/udp.go

@@ -1,25 +0,0 @@
-// Package udp reads and write from a udp connection
-package udp
-
-import (
-	"io"
-	"net"
-	"net/http"
-)
-
-type Handler struct{}
-
-func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	c, err := net.Dial("udp", r.Host)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	go io.Copy(c, r.Body)
-	// write response
-	io.Copy(w, c)
-}
-
-func (h *Handler) String() string {
-	return "udp"
-}

api/handler/unix/unix.go

@@ -1,30 +0,0 @@
-// Package unix reads from a unix socket expecting it to be in /tmp/path
-package unix
-
-import (
-	"fmt"
-	"io"
-	"net"
-	"net/http"
-	"path/filepath"
-)
-
-type Handler struct{}
-
-func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	sock := fmt.Sprintf("%s.sock", filepath.Clean(r.URL.Path))
-	path := filepath.Join("/tmp", sock)
-
-	c, err := net.Dial("unix", path)
-	if err != nil {
-		http.Error(w, err.Error(), 500)
-		return
-	}
-	go io.Copy(c, r.Body)
-	// write response
-	io.Copy(w, c)
-}
-
-func (h *Handler) String() string {
-	return "unix"
-}

api/handler/web/web.go

@@ -5,15 +5,16 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"math/rand"
 	"net"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
 	"strings"
 
-	"github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/api/handler"
-	"github.com/micro/go-micro/v2/client/selector"
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/handler"
+	"github.com/unistack-org/micro/v3/registry"
 )
 
 const (
@@ -70,16 +71,20 @@ func (wh *webHandler) getService(r *http.Request) (string, error) {
 		return "", errors.New("no route found")
 	}
 
-	// create a random selector
-	next := selector.Random(service.Services)
-
-	// get the next node
-	s, err := next()
-	if err != nil {
-		return "", nil
+	// get the nodes
+	nodes := make([]*registry.Node, 0, len(service.Services))
+	for _, srv := range service.Services {
+		nodes = append(nodes, srv.Nodes...)
 	}
 
-	return fmt.Sprintf("http://%s", s.Address), nil
+	if len(nodes) == 0 {
+		return "", errors.New("no route found")
+	}
+
+	// select a random node
+	node := nodes[rand.Int()%len(nodes)]
+
+	return fmt.Sprintf("http://%s", node.Address), nil
 }
 
 // serveWebSocket used to serve a web socket proxied connection

api/proto/api.pb.go

@@ -1,68 +1,81 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: github.com/micro/go-micro/v2/api/proto/api.proto
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.6.1
+// source: api/proto/api.proto
 
 package go_api
 
 import (
-	fmt "fmt"
 	proto "github.com/golang/protobuf/proto"
-	math "math"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
 )
 
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
 
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+// This is a compile-time assertion that a sufficiently up-to-date version
+// of the legacy proto package is being used.
+const _ = proto.ProtoPackageIsVersion4
 
 type Pair struct {
-	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Values               []string `protobuf:"bytes,2,rep,name=values,proto3" json:"values,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Key    string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Values []string `protobuf:"bytes,2,rep,name=values,proto3" json:"values,omitempty"`
 }
 
-func (m *Pair) Reset()         { *m = Pair{} }
-func (m *Pair) String() string { return proto.CompactTextString(m) }
-func (*Pair) ProtoMessage()    {}
+func (x *Pair) Reset() {
+	*x = Pair{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_api_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Pair) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Pair) ProtoMessage() {}
+
+func (x *Pair) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_api_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Pair.ProtoReflect.Descriptor instead.
 func (*Pair) Descriptor() ([]byte, []int) {
-	return fileDescriptor_7b6696ef87ec1943, []int{0}
+	return file_api_proto_api_proto_rawDescGZIP(), []int{0}
 }
 
-func (m *Pair) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Pair.Unmarshal(m, b)
-}
-func (m *Pair) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Pair.Marshal(b, m, deterministic)
-}
-func (m *Pair) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Pair.Merge(m, src)
-}
-func (m *Pair) XXX_Size() int {
-	return xxx_messageInfo_Pair.Size(m)
-}
-func (m *Pair) XXX_DiscardUnknown() {
-	xxx_messageInfo_Pair.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Pair proto.InternalMessageInfo
-
-func (m *Pair) GetKey() string {
-	if m != nil {
-		return m.Key
+func (x *Pair) GetKey() string {
+	if x != nil {
+		return x.Key
 	}
 	return ""
 }
 
-func (m *Pair) GetValues() []string {
-	if m != nil {
-		return m.Values
+func (x *Pair) GetValues() []string {
+	if x != nil {
+		return x.Values
 	}
 	return nil
 }
@@ -70,88 +83,96 @@ func (m *Pair) GetValues() []string {
 // A HTTP request as RPC
 // Forward by the api handler
 type Request struct {
-	Method               string           `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
-	Path                 string           `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	Header               map[string]*Pair `protobuf:"bytes,3,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Get                  map[string]*Pair `protobuf:"bytes,4,rep,name=get,proto3" json:"get,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Post                 map[string]*Pair `protobuf:"bytes,5,rep,name=post,proto3" json:"post,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Body                 string           `protobuf:"bytes,6,opt,name=body,proto3" json:"body,omitempty"`
-	Url                  string           `protobuf:"bytes,7,opt,name=url,proto3" json:"url,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Method string           `protobuf:"bytes,1,opt,name=method,proto3" json:"method,omitempty"`
+	Path   string           `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	Header map[string]*Pair `protobuf:"bytes,3,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Get    map[string]*Pair `protobuf:"bytes,4,rep,name=get,proto3" json:"get,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Post   map[string]*Pair `protobuf:"bytes,5,rep,name=post,proto3" json:"post,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Body   string           `protobuf:"bytes,6,opt,name=body,proto3" json:"body,omitempty"` // raw request body; if not application/x-www-form-urlencoded
+	Url    string           `protobuf:"bytes,7,opt,name=url,proto3" json:"url,omitempty"`
 }
 
-func (m *Request) Reset()         { *m = Request{} }
-func (m *Request) String() string { return proto.CompactTextString(m) }
-func (*Request) ProtoMessage()    {}
+func (x *Request) Reset() {
+	*x = Request{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_api_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Request) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Request) ProtoMessage() {}
+
+func (x *Request) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_api_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Request.ProtoReflect.Descriptor instead.
 func (*Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_7b6696ef87ec1943, []int{1}
+	return file_api_proto_api_proto_rawDescGZIP(), []int{1}
 }
 
-func (m *Request) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Request.Unmarshal(m, b)
-}
-func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Request.Marshal(b, m, deterministic)
-}
-func (m *Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Request.Merge(m, src)
-}
-func (m *Request) XXX_Size() int {
-	return xxx_messageInfo_Request.Size(m)
-}
-func (m *Request) XXX_DiscardUnknown() {
-	xxx_messageInfo_Request.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Request proto.InternalMessageInfo
-
-func (m *Request) GetMethod() string {
-	if m != nil {
-		return m.Method
+func (x *Request) GetMethod() string {
+	if x != nil {
+		return x.Method
 	}
 	return ""
 }
 
-func (m *Request) GetPath() string {
-	if m != nil {
-		return m.Path
+func (x *Request) GetPath() string {
+	if x != nil {
+		return x.Path
 	}
 	return ""
 }
 
-func (m *Request) GetHeader() map[string]*Pair {
-	if m != nil {
-		return m.Header
+func (x *Request) GetHeader() map[string]*Pair {
+	if x != nil {
+		return x.Header
 	}
 	return nil
 }
 
-func (m *Request) GetGet() map[string]*Pair {
-	if m != nil {
-		return m.Get
+func (x *Request) GetGet() map[string]*Pair {
+	if x != nil {
+		return x.Get
 	}
 	return nil
 }
 
-func (m *Request) GetPost() map[string]*Pair {
-	if m != nil {
-		return m.Post
+func (x *Request) GetPost() map[string]*Pair {
+	if x != nil {
+		return x.Post
 	}
 	return nil
 }
 
-func (m *Request) GetBody() string {
-	if m != nil {
-		return m.Body
+func (x *Request) GetBody() string {
+	if x != nil {
+		return x.Body
 	}
 	return ""
 }
 
-func (m *Request) GetUrl() string {
-	if m != nil {
-		return m.Url
+func (x *Request) GetUrl() string {
+	if x != nil {
+		return x.Url
 	}
 	return ""
 }
@@ -159,56 +180,64 @@ func (m *Request) GetUrl() string {
 // A HTTP response as RPC
 // Expected response for the api handler
 type Response struct {
-	StatusCode           int32            `protobuf:"varint,1,opt,name=statusCode,proto3" json:"statusCode,omitempty"`
-	Header               map[string]*Pair `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	Body                 string           `protobuf:"bytes,3,opt,name=body,proto3" json:"body,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
-	XXX_unrecognized     []byte           `json:"-"`
-	XXX_sizecache        int32            `json:"-"`
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	StatusCode int32            `protobuf:"varint,1,opt,name=statusCode,proto3" json:"statusCode,omitempty"`
+	Header     map[string]*Pair `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	Body       string           `protobuf:"bytes,3,opt,name=body,proto3" json:"body,omitempty"`
 }
 
-func (m *Response) Reset()         { *m = Response{} }
-func (m *Response) String() string { return proto.CompactTextString(m) }
-func (*Response) ProtoMessage()    {}
+func (x *Response) Reset() {
+	*x = Response{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_api_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Response) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Response) ProtoMessage() {}
+
+func (x *Response) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_api_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Response.ProtoReflect.Descriptor instead.
 func (*Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_7b6696ef87ec1943, []int{2}
+	return file_api_proto_api_proto_rawDescGZIP(), []int{2}
 }
 
-func (m *Response) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Response.Unmarshal(m, b)
-}
-func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Response.Marshal(b, m, deterministic)
-}
-func (m *Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Response.Merge(m, src)
-}
-func (m *Response) XXX_Size() int {
-	return xxx_messageInfo_Response.Size(m)
-}
-func (m *Response) XXX_DiscardUnknown() {
-	xxx_messageInfo_Response.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Response proto.InternalMessageInfo
-
-func (m *Response) GetStatusCode() int32 {
-	if m != nil {
-		return m.StatusCode
+func (x *Response) GetStatusCode() int32 {
+	if x != nil {
+		return x.StatusCode
 	}
 	return 0
 }
 
-func (m *Response) GetHeader() map[string]*Pair {
-	if m != nil {
-		return m.Header
+func (x *Response) GetHeader() map[string]*Pair {
+	if x != nil {
+		return x.Header
 	}
 	return nil
 }
 
-func (m *Response) GetBody() string {
-	if m != nil {
-		return m.Body
+func (x *Response) GetBody() string {
+	if x != nil {
+		return x.Body
 	}
 	return ""
 }
@@ -216,6 +245,10 @@ func (m *Response) GetBody() string {
 // A HTTP event as RPC
 // Forwarded by the event handler
 type Event struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
 	// e.g login
 	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	// uuid
@@ -225,114 +258,254 @@ type Event struct {
 	// event headers
 	Header map[string]*Pair `protobuf:"bytes,4,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 	// the event data
-	Data                 string   `protobuf:"bytes,5,opt,name=data,proto3" json:"data,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
+	Data string `protobuf:"bytes,5,opt,name=data,proto3" json:"data,omitempty"`
 }
 
-func (m *Event) Reset()         { *m = Event{} }
-func (m *Event) String() string { return proto.CompactTextString(m) }
-func (*Event) ProtoMessage()    {}
+func (x *Event) Reset() {
+	*x = Event{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_proto_api_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Event) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Event) ProtoMessage() {}
+
+func (x *Event) ProtoReflect() protoreflect.Message {
+	mi := &file_api_proto_api_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Event.ProtoReflect.Descriptor instead.
 func (*Event) Descriptor() ([]byte, []int) {
-	return fileDescriptor_7b6696ef87ec1943, []int{3}
+	return file_api_proto_api_proto_rawDescGZIP(), []int{3}
 }
 
-func (m *Event) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Event.Unmarshal(m, b)
-}
-func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Event.Marshal(b, m, deterministic)
-}
-func (m *Event) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Event.Merge(m, src)
-}
-func (m *Event) XXX_Size() int {
-	return xxx_messageInfo_Event.Size(m)
-}
-func (m *Event) XXX_DiscardUnknown() {
-	xxx_messageInfo_Event.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Event proto.InternalMessageInfo
-
-func (m *Event) GetName() string {
-	if m != nil {
-		return m.Name
+func (x *Event) GetName() string {
+	if x != nil {
+		return x.Name
 	}
 	return ""
 }
 
-func (m *Event) GetId() string {
-	if m != nil {
-		return m.Id
+func (x *Event) GetId() string {
+	if x != nil {
+		return x.Id
 	}
 	return ""
 }
 
-func (m *Event) GetTimestamp() int64 {
-	if m != nil {
-		return m.Timestamp
+func (x *Event) GetTimestamp() int64 {
+	if x != nil {
+		return x.Timestamp
 	}
 	return 0
 }
 
-func (m *Event) GetHeader() map[string]*Pair {
-	if m != nil {
-		return m.Header
+func (x *Event) GetHeader() map[string]*Pair {
+	if x != nil {
+		return x.Header
 	}
 	return nil
 }
 
-func (m *Event) GetData() string {
-	if m != nil {
-		return m.Data
+func (x *Event) GetData() string {
+	if x != nil {
+		return x.Data
 	}
 	return ""
 }
 
-func init() {
-	proto.RegisterType((*Pair)(nil), "go.api.Pair")
-	proto.RegisterType((*Request)(nil), "go.api.Request")
-	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.GetEntry")
-	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.HeaderEntry")
-	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Request.PostEntry")
-	proto.RegisterType((*Response)(nil), "go.api.Response")
-	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Response.HeaderEntry")
-	proto.RegisterType((*Event)(nil), "go.api.Event")
-	proto.RegisterMapType((map[string]*Pair)(nil), "go.api.Event.HeaderEntry")
+var File_api_proto_api_proto protoreflect.FileDescriptor
+
+var file_api_proto_api_proto_rawDesc = []byte{
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 }
 
-func init() {
-	proto.RegisterFile("github.com/micro/go-micro/v2/api/proto/api.proto", fileDescriptor_7b6696ef87ec1943)
+var (
+	file_api_proto_api_proto_rawDescOnce sync.Once
+	file_api_proto_api_proto_rawDescData = file_api_proto_api_proto_rawDesc
+)
+
+func file_api_proto_api_proto_rawDescGZIP() []byte {
+	file_api_proto_api_proto_rawDescOnce.Do(func() {
+		file_api_proto_api_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_proto_api_proto_rawDescData)
+	})
+	return file_api_proto_api_proto_rawDescData
 }
 
-var fileDescriptor_7b6696ef87ec1943 = []byte{
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-	0x06, 0x67, 0x9d, 0xdc, 0x3d, 0xdb, 0xb5, 0x75, 0xa9, 0x72, 0x7f, 0xf5, 0x29, 0xfe, 0x18, 0xdd,
-	0x7c, 0x81, 0xeb, 0x9d, 0xdd, 0xff, 0x50, 0x59, 0x42, 0xbe, 0x9f, 0xe3, 0xdf, 0x65, 0x8a, 0x1f,
-	0x11, 0x5c, 0x73, 0x69, 0x7a, 0xdd, 0x19, 0x49, 0xdf, 0x00, 0x18, 0x2b, 0xec, 0x68, 0x3e, 0xeb,
-	0x4a, 0xa2, 0x5a, 0xca, 0x8f, 0x4e, 0xe8, 0x87, 0xfd, 0xe2, 0x62, 0x4c, 0xf6, 0xf6, 0x90, 0xac,
-	0x57, 0x38, 0xbb, 0xb9, 0x5d, 0xbc, 0xe4, 0x10, 0xef, 0xc5, 0xc2, 0x2c, 0x7e, 0x45, 0x90, 0x2e,
-	0x37, 0xb2, 0xc3, 0x2d, 0x76, 0xa2, 0x95, 0x41, 0x04, 0x31, 0x7d, 0x0e, 0xb1, 0xaa, 0xc2, 0xdb,
-	0x8b, 0x55, 0x45, 0x6f, 0x21, 0xb7, 0xaa, 0x95, 0xc6, 0x8a, 0xb6, 0x47, 0x3f, 0x84, 0x1f, 0x0e,
-	0xe8, 0xfb, 0xfd, 0x78, 0xc9, 0x9f, 0x0f, 0x07, 0x1b, 0xfc, 0x6d, 0xb6, 0x4a, 0x58, 0xc1, 0x52,
-	0xdf, 0xd4, 0xe1, 0x8b, 0xcd, 0xb6, 0xca, 0xf0, 0x07, 0xbd, 0xff, 0x1d, 0x00, 0x00, 0xff, 0xff,
-	0x97, 0xf3, 0x59, 0x6e, 0xd1, 0x03, 0x00, 0x00,
+var file_api_proto_api_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_api_proto_api_proto_goTypes = []interface{}{
+	(*Pair)(nil),     // 0: go.api.Pair
+	(*Request)(nil),  // 1: go.api.Request
+	(*Response)(nil), // 2: go.api.Response
+	(*Event)(nil),    // 3: go.api.Event
+	nil,              // 4: go.api.Request.HeaderEntry
+	nil,              // 5: go.api.Request.GetEntry
+	nil,              // 6: go.api.Request.PostEntry
+	nil,              // 7: go.api.Response.HeaderEntry
+	nil,              // 8: go.api.Event.HeaderEntry
+}
+var file_api_proto_api_proto_depIdxs = []int32{
+	4,  // 0: go.api.Request.header:type_name -> go.api.Request.HeaderEntry
+	5,  // 1: go.api.Request.get:type_name -> go.api.Request.GetEntry
+	6,  // 2: go.api.Request.post:type_name -> go.api.Request.PostEntry
+	7,  // 3: go.api.Response.header:type_name -> go.api.Response.HeaderEntry
+	8,  // 4: go.api.Event.header:type_name -> go.api.Event.HeaderEntry
+	0,  // 5: go.api.Request.HeaderEntry.value:type_name -> go.api.Pair
+	0,  // 6: go.api.Request.GetEntry.value:type_name -> go.api.Pair
+	0,  // 7: go.api.Request.PostEntry.value:type_name -> go.api.Pair
+	0,  // 8: go.api.Response.HeaderEntry.value:type_name -> go.api.Pair
+	0,  // 9: go.api.Event.HeaderEntry.value:type_name -> go.api.Pair
+	10, // [10:10] is the sub-list for method output_type
+	10, // [10:10] is the sub-list for method input_type
+	10, // [10:10] is the sub-list for extension type_name
+	10, // [10:10] is the sub-list for extension extendee
+	0,  // [0:10] is the sub-list for field type_name
+}
+
+func init() { file_api_proto_api_proto_init() }
+func file_api_proto_api_proto_init() {
+	if File_api_proto_api_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_api_proto_api_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Pair); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_proto_api_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Request); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_proto_api_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Response); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_proto_api_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Event); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_proto_api_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   9,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_proto_api_proto_goTypes,
+		DependencyIndexes: file_api_proto_api_proto_depIdxs,
+		MessageInfos:      file_api_proto_api_proto_msgTypes,
+	}.Build()
+	File_api_proto_api_proto = out.File
+	file_api_proto_api_proto_rawDesc = nil
+	file_api_proto_api_proto_goTypes = nil
+	file_api_proto_api_proto_depIdxs = nil
 }

api/proto/api.pb.micro.go

@@ -1,5 +1,5 @@
 // Code generated by protoc-gen-micro. DO NOT EDIT.
-// source: github.com/micro/go-micro/v2/api/proto/api.proto
+// source: api/proto/api.proto
 
 package go_api
 

api/resolver/grpc/grpc.go

@@ -6,12 +6,17 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/micro/go-micro/v2/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver"
 )
 
-type Resolver struct{}
+type Resolver struct {
+	opts resolver.Options
+}
+
+func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
+	// parse options
+	options := resolver.NewResolveOptions(opts...)
 
-func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
 	// /foo.Bar/Service
 	if req.URL.Path == "/" {
 		return nil, errors.New("unknown name")
@@ -26,6 +31,7 @@ func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
 		Host:   req.Host,
 		Method: req.Method,
 		Path:   req.URL.Path,
+		Domain: options.Domain,
 	}, nil
 }
 
@@ -34,5 +40,5 @@ func (r *Resolver) String() string {
 }
 
 func NewResolver(opts ...resolver.Option) resolver.Resolver {
-	return &Resolver{}
+	return &Resolver{opts: resolver.NewOptions(opts...)}
 }

api/resolver/host/host.go

@@ -4,17 +4,23 @@ package host
 import (
 	"net/http"
 
-	"github.com/micro/go-micro/v2/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver"
 )
 
-type Resolver struct{}
+type Resolver struct {
+	opts resolver.Options
+}
+
+func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
+	// parse options
+	options := resolver.NewResolveOptions(opts...)
 
-func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
 	return &resolver.Endpoint{
 		Name:   req.Host,
 		Host:   req.Host,
 		Method: req.Method,
 		Path:   req.URL.Path,
+		Domain: options.Domain,
 	}, nil
 }
 
@@ -23,5 +29,5 @@ func (r *Resolver) String() string {
 }
 
 func NewResolver(opts ...resolver.Option) resolver.Resolver {
-	return &Resolver{}
+	return &Resolver{opts: resolver.NewOptions(opts...)}
 }

api/resolver/micro/micro.go

@@ -1,45 +0,0 @@
-// Package micro provides a micro rpc resolver which prefixes a namespace
-package micro
-
-import (
-	"net/http"
-
-	"github.com/micro/go-micro/v2/api/resolver"
-)
-
-// default resolver for legacy purposes
-// it uses proxy routing to resolve names
-// /foo becomes namespace.foo
-// /v1/foo becomes namespace.v1.foo
-type Resolver struct {
-	Options resolver.Options
-}
-
-func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
-	var name, method string
-
-	switch r.Options.Handler {
-	// internal handlers
-	case "meta", "api", "rpc", "micro":
-		name, method = apiRoute(req.URL.Path)
-	default:
-		method = req.Method
-		name = proxyRoute(req.URL.Path)
-	}
-
-	return &resolver.Endpoint{
-		Name:   name,
-		Method: method,
-	}, nil
-}
-
-func (r *Resolver) String() string {
-	return "micro"
-}
-
-// NewResolver creates a new micro resolver
-func NewResolver(opts ...resolver.Option) resolver.Resolver {
-	return &Resolver{
-		Options: resolver.NewOptions(opts...),
-	}
-}

api/resolver/micro/route.go

@@ -1,95 +0,0 @@
-package micro
-
-import (
-	"path"
-	"regexp"
-	"strings"
-)
-
-var (
-	proxyRe   = regexp.MustCompile("^[a-zA-Z0-9]+(-[a-zA-Z0-9]+)*$")
-	versionRe = regexp.MustCompilePOSIX("^v[0-9]+$")
-)
-
-// Translates /foo/bar/zool into api service go.micro.api.foo method Bar.Zool
-// Translates /foo/bar into api service go.micro.api.foo method Foo.Bar
-func apiRoute(p string) (string, string) {
-	p = path.Clean(p)
-	p = strings.TrimPrefix(p, "/")
-	parts := strings.Split(p, "/")
-
-	// if we have 1 part assume name Name.Call
-	if len(parts) == 1 && len(parts[0]) > 0 {
-		return parts[0], methodName(append(parts, "Call"))
-	}
-
-	// If we've got two or less parts
-	// Use first part as service
-	// Use all parts as method
-	if len(parts) <= 2 {
-		name := parts[0]
-		return name, methodName(parts)
-	}
-
-	// Treat /v[0-9]+ as versioning where we have 3 parts
-	// /v1/foo/bar => service: v1.foo method: Foo.bar
-	if len(parts) == 3 && versionRe.Match([]byte(parts[0])) {
-		name := strings.Join(parts[:len(parts)-1], ".")
-		return name, methodName(parts[len(parts)-2:])
-	}
-
-	// Service is everything minus last two parts
-	// Method is the last two parts
-	name := strings.Join(parts[:len(parts)-2], ".")
-	return name, methodName(parts[len(parts)-2:])
-}
-
-func proxyRoute(p string) string {
-	parts := strings.Split(p, "/")
-	if len(parts) < 2 {
-		return ""
-	}
-
-	var service string
-	var alias string
-
-	// /[service]/methods
-	if len(parts) > 2 {
-		// /v1/[service]
-		if versionRe.MatchString(parts[1]) {
-			service = parts[1] + "." + parts[2]
-			alias = parts[2]
-		} else {
-			service = parts[1]
-			alias = parts[1]
-		}
-		// /[service]
-	} else {
-		service = parts[1]
-		alias = parts[1]
-	}
-
-	// check service name is valid
-	if !proxyRe.MatchString(alias) {
-		return ""
-	}
-
-	return service
-}
-
-func methodName(parts []string) string {
-	for i, part := range parts {
-		parts[i] = toCamel(part)
-	}
-
-	return strings.Join(parts, ".")
-}
-
-func toCamel(s string) string {
-	words := strings.Split(s, "-")
-	var out string
-	for _, word := range words {
-		out += strings.Title(word)
-	}
-	return out
-}

api/resolver/micro/route_test.go

@@ -1,130 +0,0 @@
-package micro
-
-import (
-	"testing"
-)
-
-func TestApiRoute(t *testing.T) {
-	testData := []struct {
-		path    string
-		service string
-		method  string
-	}{
-		{
-			"/foo/bar",
-			"foo",
-			"Foo.Bar",
-		},
-		{
-			"/foo/foo/bar",
-			"foo",
-			"Foo.Bar",
-		},
-		{
-			"/foo/bar/baz",
-			"foo",
-			"Bar.Baz",
-		},
-		{
-			"/foo/bar/baz-xyz",
-			"foo",
-			"Bar.BazXyz",
-		},
-		{
-			"/foo/bar/baz/cat",
-			"foo.bar",
-			"Baz.Cat",
-		},
-		{
-			"/foo/bar/baz/cat/car",
-			"foo.bar.baz",
-			"Cat.Car",
-		},
-		{
-			"/foo/fooBar/bazCat",
-			"foo",
-			"FooBar.BazCat",
-		},
-		{
-			"/v1/foo/bar",
-			"v1.foo",
-			"Foo.Bar",
-		},
-		{
-			"/v1/foo/bar/baz",
-			"v1.foo",
-			"Bar.Baz",
-		},
-		{
-			"/v1/foo/bar/baz/cat",
-			"v1.foo.bar",
-			"Baz.Cat",
-		},
-	}
-
-	for _, d := range testData {
-		s, m := apiRoute(d.path)
-		if d.service != s {
-			t.Fatalf("Expected service: %s for path: %s got: %s %s", d.service, d.path, s, m)
-		}
-		if d.method != m {
-			t.Fatalf("Expected service: %s for path: %s got: %s", d.method, d.path, m)
-		}
-	}
-}
-
-func TestProxyRoute(t *testing.T) {
-	testData := []struct {
-		path    string
-		service string
-	}{
-		// no namespace
-		{
-			"/f",
-			"f",
-		},
-		{
-			"/f",
-			"f",
-		},
-		{
-			"/f-b",
-			"f-b",
-		},
-		{
-			"/foo/bar",
-			"foo",
-		},
-		{
-			"/foo-bar",
-			"foo-bar",
-		},
-		{
-			"/foo-bar-baz",
-			"foo-bar-baz",
-		},
-		{
-			"/foo/bar/bar",
-			"foo",
-		},
-		{
-			"/v1/foo/bar",
-			"v1.foo",
-		},
-		{
-			"/v1/foo/bar/baz",
-			"v1.foo",
-		},
-		{
-			"/v1/foo/bar/baz/cat",
-			"v1.foo",
-		},
-	}
-
-	for _, d := range testData {
-		s := proxyRoute(d.path)
-		if d.service != s {
-			t.Fatalf("Expected service: %s for path: %s got: %s", d.service, d.path, s)
-		}
-	}
-}

api/resolver/options.go

@@ -1,5 +1,30 @@
 package resolver
 
+import (
+	"github.com/unistack-org/micro/v3/registry"
+)
+
+type Options struct {
+	Handler       string
+	ServicePrefix string
+}
+
+type Option func(o *Options)
+
+// WithHandler sets the handler being used
+func WithHandler(h string) Option {
+	return func(o *Options) {
+		o.Handler = h
+	}
+}
+
+// WithServicePrefix sets the ServicePrefix option
+func WithServicePrefix(p string) Option {
+	return func(o *Options) {
+		o.ServicePrefix = p
+	}
+}
+
 // NewOptions returns new initialised options
 func NewOptions(opts ...Option) Options {
 	var options Options
@@ -9,16 +34,30 @@ func NewOptions(opts ...Option) Options {
 	return options
 }
 
-// WithHandler sets the handler being used
-func WithHandler(h string) Option {
-	return func(o *Options) {
-		o.Handler = h
+// ResolveOptions are used when resolving a request
+type ResolveOptions struct {
+	Domain string
+}
+
+// ResolveOption sets an option
+type ResolveOption func(*ResolveOptions)
+
+// Domain sets the resolve Domain option
+func Domain(n string) ResolveOption {
+	return func(o *ResolveOptions) {
+		o.Domain = n
 	}
 }
 
-// WithNamespace sets the namespace being used
-func WithNamespace(n string) Option {
-	return func(o *Options) {
-		o.Namespace = n
+// NewResolveOptions returns new initialised resolve options
+func NewResolveOptions(opts ...ResolveOption) ResolveOptions {
+	var options ResolveOptions
+	for _, o := range opts {
+		o(&options)
 	}
+	if len(options.Domain) == 0 {
+		options.Domain = registry.DefaultDomain
+	}
+
+	return options
 }

api/resolver/path/path.go

@@ -2,25 +2,32 @@
 package path
 
 import (
-	"errors"
 	"net/http"
 	"strings"
 
-	"github.com/micro/go-micro/v2/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver"
 )
 
-type Resolver struct{}
+type Resolver struct {
+	opts resolver.Options
+}
+
+func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
+	// parse options
+	options := resolver.NewResolveOptions(opts...)
 
-func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
 	if req.URL.Path == "/" {
-		return nil, errors.New("unknown name")
+		return nil, resolver.ErrNotFound
 	}
+
 	parts := strings.Split(req.URL.Path[1:], "/")
+
 	return &resolver.Endpoint{
-		Name:   parts[0],
+		Name:   r.opts.ServicePrefix + "." + parts[0],
 		Host:   req.Host,
 		Method: req.Method,
 		Path:   req.URL.Path,
+		Domain: options.Domain,
 	}, nil
 }
 
@@ -29,5 +36,5 @@ func (r *Resolver) String() string {
 }
 
 func NewResolver(opts ...resolver.Option) resolver.Resolver {
-	return &Resolver{}
+	return &Resolver{opts: resolver.NewOptions(opts...)}
 }

api/resolver/resolver.go

@@ -2,12 +2,18 @@
 package resolver
 
 import (
+	"errors"
 	"net/http"
 )
 
+var (
+	ErrNotFound    = errors.New("not found")
+	ErrInvalidPath = errors.New("invalid path")
+)
+
 // Resolver resolves requests to endpoints
 type Resolver interface {
-	Resolve(r *http.Request) (*Endpoint, error)
+	Resolve(r *http.Request, opts ...ResolveOption) (*Endpoint, error)
 	String() string
 }
 
@@ -21,11 +27,6 @@ type Endpoint struct {
 	Method string
 	// HTTP Path e.g /greeter.
 	Path string
+	// Domain endpoint exists within
+	Domain string
 }
-
-type Options struct {
-	Handler   string
-	Namespace string
-}
-
-type Option func(o *Options)

api/resolver/subdomain/subdomain.go

@@ -0,0 +1,85 @@
+// Package subdomain is a resolver which uses the subdomain to determine the domain to route to. It
+// offloads the endpoint resolution to a child resolver which is provided in New.
+package subdomain
+
+import (
+	"net"
+	"net/http"
+	"strings"
+
+	"github.com/unistack-org/micro/v3/api/resolver"
+	"github.com/unistack-org/micro/v3/logger"
+	"golang.org/x/net/publicsuffix"
+)
+
+func NewResolver(parent resolver.Resolver, opts ...resolver.Option) resolver.Resolver {
+	options := resolver.NewOptions(opts...)
+	return &Resolver{options, parent}
+}
+
+type Resolver struct {
+	opts resolver.Options
+	resolver.Resolver
+}
+
+func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
+	if dom := r.Domain(req); len(dom) > 0 {
+		opts = append(opts, resolver.Domain(dom))
+	}
+
+	return r.Resolver.Resolve(req, opts...)
+}
+
+func (r *Resolver) Domain(req *http.Request) string {
+	// determine the host, e.g. foobar.m3o.app
+	host := req.URL.Hostname()
+	if len(host) == 0 {
+		if h, _, err := net.SplitHostPort(req.Host); err == nil {
+			host = h // host does contain a port
+		} else if strings.Contains(err.Error(), "missing port in address") {
+			host = req.Host // host does not contain a port
+		}
+	}
+
+	// check for an ip address
+	if net.ParseIP(host) != nil {
+		return ""
+	}
+
+	// check for dev environment
+	if host == "localhost" || host == "127.0.0.1" {
+		return ""
+	}
+
+	// extract the top level domain plus one (e.g. 'myapp.com')
+	domain, err := publicsuffix.EffectiveTLDPlusOne(host)
+	if err != nil {
+		logger.Debugf("Unable to extract domain from %v", host)
+		return ""
+	}
+
+	// there was no subdomain
+	if host == domain {
+		return ""
+	}
+
+	// remove the domain from the host, leaving the subdomain, e.g. "staging.foo.myapp.com" => "staging.foo"
+	subdomain := strings.TrimSuffix(host, "."+domain)
+
+	// ignore the API subdomain
+	if subdomain == "api" {
+		return ""
+	}
+
+	// return the reversed subdomain as the namespace, e.g. "staging.foo" => "foo-staging"
+	comps := strings.Split(subdomain, ".")
+	for i := len(comps)/2 - 1; i >= 0; i-- {
+		opp := len(comps) - 1 - i
+		comps[i], comps[opp] = comps[opp], comps[i]
+	}
+	return strings.Join(comps, "-")
+}
+
+func (r *Resolver) String() string {
+	return "subdomain"
+}

api/resolver/subdomain/subdomain_test.go

@@ -0,0 +1,71 @@
+package subdomain
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+
+	"github.com/unistack-org/micro/v3/api/resolver/vpath"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestResolve(t *testing.T) {
+	tt := []struct {
+		Name   string
+		Host   string
+		Result string
+	}{
+		{
+			Name:   "Top level domain",
+			Host:   "micro.mu",
+			Result: "micro",
+		},
+		{
+			Name:   "Effective top level domain",
+			Host:   "micro.com.au",
+			Result: "micro",
+		},
+		{
+			Name:   "Subdomain dev",
+			Host:   "dev.micro.mu",
+			Result: "dev",
+		},
+		{
+			Name:   "Subdomain foo",
+			Host:   "foo.micro.mu",
+			Result: "foo",
+		},
+		{
+			Name:   "Multi-level subdomain",
+			Host:   "staging.myapp.m3o.app",
+			Result: "myapp-staging",
+		},
+		{
+			Name:   "Dev host",
+			Host:   "127.0.0.1",
+			Result: "micro",
+		},
+		{
+			Name:   "Localhost",
+			Host:   "localhost",
+			Result: "micro",
+		},
+		{
+			Name:   "IP host",
+			Host:   "81.151.101.146",
+			Result: "micro",
+		},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.Name, func(t *testing.T) {
+			r := NewResolver(vpath.NewResolver())
+			result, err := r.Resolve(&http.Request{URL: &url.URL{Host: tc.Host, Path: "foo/bar"}})
+			assert.Nil(t, err, "Expecter err to be nil")
+			if result != nil {
+				assert.Equal(t, tc.Result, result.Domain, "Expected %v but got %v", tc.Result, result.Domain)
+			}
+		})
+	}
+}

api/resolver/vpath/vpath.go

@@ -7,46 +7,56 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/micro/go-micro/v2/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver"
 )
 
-type Resolver struct{}
+func NewResolver(opts ...resolver.Option) resolver.Resolver {
+	return &Resolver{opts: resolver.NewOptions(opts...)}
+}
+
+type Resolver struct {
+	opts resolver.Options
+}
 
 var (
 	re = regexp.MustCompile("^v[0-9]+$")
 )
 
-func (r *Resolver) Resolve(req *http.Request) (*resolver.Endpoint, error) {
+func (r *Resolver) Resolve(req *http.Request, opts ...resolver.ResolveOption) (*resolver.Endpoint, error) {
 	if req.URL.Path == "/" {
 		return nil, errors.New("unknown name")
 	}
 
-	parts := strings.Split(req.URL.Path[1:], "/")
+	options := resolver.NewResolveOptions(opts...)
 
+	parts := strings.Split(req.URL.Path[1:], "/")
 	if len(parts) == 1 {
 		return &resolver.Endpoint{
-			Name:   parts[0],
+			Name:   r.withPrefix(parts...),
 			Host:   req.Host,
 			Method: req.Method,
 			Path:   req.URL.Path,
+			Domain: options.Domain,
 		}, nil
 	}
 
 	// /v1/foo
 	if re.MatchString(parts[0]) {
 		return &resolver.Endpoint{
-			Name:   parts[1],
+			Name:   r.withPrefix(parts[0:2]...),
 			Host:   req.Host,
 			Method: req.Method,
 			Path:   req.URL.Path,
+			Domain: options.Domain,
 		}, nil
 	}
 
 	return &resolver.Endpoint{
-		Name:   parts[0],
+		Name:   r.withPrefix(parts[0]),
 		Host:   req.Host,
 		Method: req.Method,
 		Path:   req.URL.Path,
+		Domain: options.Domain,
 	}, nil
 }
 
@@ -54,6 +64,12 @@ func (r *Resolver) String() string {
 	return "path"
 }
 
-func NewResolver(opts ...resolver.Option) resolver.Resolver {
-	return &Resolver{}
+// withPrefix transforms "foo" into "go.micro.api.foo"
+func (r *Resolver) withPrefix(parts ...string) string {
+	p := r.opts.ServicePrefix
+	if len(p) > 0 {
+		parts = append([]string{p}, parts...)
+	}
+
+	return strings.Join(parts, ".")
 }

api/router/options.go

@@ -1,24 +1,22 @@
 package router
 
 import (
-	"github.com/micro/go-micro/v2/api/resolver"
-	"github.com/micro/go-micro/v2/api/resolver/micro"
-	"github.com/micro/go-micro/v2/registry"
+	"github.com/unistack-org/micro/v3/api/resolver"
+	"github.com/unistack-org/micro/v3/api/resolver/vpath"
+	"github.com/unistack-org/micro/v3/registry"
 )
 
 type Options struct {
-	Namespace string
-	Handler   string
-	Registry  registry.Registry
-	Resolver  resolver.Resolver
+	Handler  string
+	Registry registry.Registry
+	Resolver resolver.Resolver
 }
 
 type Option func(o *Options)
 
 func NewOptions(opts ...Option) Options {
 	options := Options{
-		Handler:  "meta",
-		Registry: registry.DefaultRegistry,
+		Handler: "meta",
 	}
 
 	for _, o := range opts {
@@ -26,9 +24,8 @@ func NewOptions(opts ...Option) Options {
 	}
 
 	if options.Resolver == nil {
-		options.Resolver = micro.NewResolver(
+		options.Resolver = vpath.NewResolver(
 			resolver.WithHandler(options.Handler),
-			resolver.WithNamespace(options.Namespace),
 		)
 	}
 
@@ -41,12 +38,6 @@ func WithHandler(h string) Option {
 	}
 }
 
-func WithNamespace(ns string) Option {
-	return func(o *Options) {
-		o.Namespace = ns
-	}
-}
-
 func WithRegistry(r registry.Registry) Option {
 	return func(o *Options) {
 		o.Registry = r

api/router/registry/registry.go

@@ -4,51 +4,36 @@ package registry
 import (
 	"errors"
 	"fmt"
-	"log"
 	"net/http"
 	"regexp"
 	"strings"
 	"sync"
 	"time"
 
-	"github.com/micro/go-micro/v2/api"
-	"github.com/micro/go-micro/v2/api/router"
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/registry/cache"
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/router"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
+	"github.com/unistack-org/micro/v3/registry"
+	util "github.com/unistack-org/micro/v3/util/router"
 )
 
+// endpoint struct, that holds compiled pcre
+type endpoint struct {
+	hostregs []*regexp.Regexp
+	pathregs []util.Pattern
+	pcreregs []*regexp.Regexp
+}
+
 // router is the default router
 type registryRouter struct {
 	exit chan bool
 	opts router.Options
 
-	// registry cache
-	rc cache.Cache
-
 	sync.RWMutex
 	eps map[string]*api.Service
-}
-
-func setNamespace(ns, name string) string {
-	ns = strings.TrimSpace(ns)
-	name = strings.TrimSpace(name)
-
-	// no namespace
-	if len(ns) == 0 {
-		return name
-	}
-
-	switch {
-	// has - suffix
-	case strings.HasSuffix(ns, "-"):
-		return strings.Replace(ns+name, ".", "-", -1)
-	// has . suffix
-	case strings.HasSuffix(ns, "."):
-		return ns + name
-	}
-
-	// default join .
-	return strings.Join([]string{ns, name}, ".")
+	// compiled regexp for host and path
+	ceps map[string]*endpoint
 }
 
 func (r *registryRouter) isClosed() bool {
@@ -68,7 +53,9 @@ func (r *registryRouter) refresh() {
 		services, err := r.opts.Registry.ListServices()
 		if err != nil {
 			attempts++
-			log.Println("Error listing endpoints", err)
+			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+				logger.Errorf("unable to list services: %v", err)
+			}
 			time.Sleep(time.Duration(attempts) * time.Second)
 			continue
 		}
@@ -77,18 +64,18 @@ func (r *registryRouter) refresh() {
 
 		// for each service, get service and store endpoints
 		for _, s := range services {
-			// only get services for this namespace
-			if !strings.HasPrefix(s.Name, r.opts.Namespace) {
-				continue
-			}
-			service, err := r.rc.GetService(s.Name)
+			service, err := r.opts.Registry.GetService(s.Name)
 			if err != nil {
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Errorf("unable to get service: %v", err)
+				}
 				continue
 			}
 			r.store(service)
 		}
 
 		// refresh list in 10 minutes... cruft
+		// use registry watching
 		select {
 		case <-time.After(time.Minute * 10):
 		case <-r.exit:
@@ -100,13 +87,16 @@ func (r *registryRouter) refresh() {
 // process watch event
 func (r *registryRouter) process(res *registry.Result) {
 	// skip these things
-	if res == nil || res.Service == nil || !strings.HasPrefix(res.Service.Name, r.opts.Namespace) {
+	if res == nil || res.Service == nil {
 		return
 	}
 
 	// get entry from cache
-	service, err := r.rc.GetService(res.Service.Name)
+	service, err := r.opts.Registry.GetService(res.Service.Name)
 	if err != nil {
+		if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+			logger.Errorf("unable to get %v service: %v", res.Service.Name, err)
+		}
 		return
 	}
 
@@ -128,14 +118,20 @@ func (r *registryRouter) store(services []*registry.Service) {
 		names[service.Name] = true
 
 		// map per endpoint
-		for _, endpoint := range service.Endpoints {
+		for _, sep := range service.Endpoints {
 			// create a key service:endpoint_name
-			key := fmt.Sprintf("%s:%s", service.Name, endpoint.Name)
+			key := fmt.Sprintf("%s.%s", service.Name, sep.Name)
 			// decode endpoint
-			end := api.Decode(endpoint.Metadata)
-
+			end := api.Decode(sep.Metadata)
+			// no endpoint or no name
+			if end == nil || len(end.Name) == 0 {
+				continue
+			}
 			// if we got nothing skip
 			if err := api.Validate(end); err != nil {
+				if logger.V(logger.TraceLevel, logger.DefaultLogger) {
+					logger.Tracef("endpoint validation failed: %v", err)
+				}
 				continue
 			}
 
@@ -170,8 +166,57 @@ func (r *registryRouter) store(services []*registry.Service) {
 	}
 
 	// now set the eps we have
-	for name, endpoint := range eps {
-		r.eps[name] = endpoint
+	for name, ep := range eps {
+		r.eps[name] = ep
+		cep := &endpoint{}
+
+		for _, h := range ep.Endpoint.Host {
+			if h == "" || h == "*" {
+				continue
+			}
+			hostreg, err := regexp.CompilePOSIX(h)
+			if err != nil {
+				if logger.V(logger.TraceLevel, logger.DefaultLogger) {
+					logger.Tracef("endpoint have invalid host regexp: %v", err)
+				}
+				continue
+			}
+			cep.hostregs = append(cep.hostregs, hostreg)
+		}
+
+		for _, p := range ep.Endpoint.Path {
+			var pcreok bool
+
+			if p[0] == '^' && p[len(p)-1] == '$' {
+				pcrereg, err := regexp.CompilePOSIX(p)
+				if err == nil {
+					cep.pcreregs = append(cep.pcreregs, pcrereg)
+					pcreok = true
+				}
+			}
+
+			rule, err := util.Parse(p)
+			if err != nil && !pcreok {
+				if logger.V(logger.TraceLevel, logger.DefaultLogger) {
+					logger.Tracef("endpoint have invalid path pattern: %v", err)
+				}
+				continue
+			} else if err != nil && pcreok {
+				continue
+			}
+
+			tpl := rule.Compile()
+			pathreg, err := util.NewPattern(tpl.Version, tpl.OpCodes, tpl.Pool, "")
+			if err != nil {
+				if logger.V(logger.TraceLevel, logger.DefaultLogger) {
+					logger.Tracef("endpoint have invalid path pattern: %v", err)
+				}
+				continue
+			}
+			cep.pathregs = append(cep.pathregs, pathreg)
+		}
+
+		r.ceps[name] = cep
 	}
 }
 
@@ -188,7 +233,9 @@ func (r *registryRouter) watch() {
 		w, err := r.opts.Registry.Watch()
 		if err != nil {
 			attempts++
-			log.Println("Error watching endpoints", err)
+			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+				logger.Errorf("error watching endpoints: %v", err)
+			}
 			time.Sleep(time.Duration(attempts) * time.Second)
 			continue
 		}
@@ -211,7 +258,9 @@ func (r *registryRouter) watch() {
 			// process next event
 			res, err := w.Next()
 			if err != nil {
-				log.Println("Error getting next endpoint", err)
+				if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
+					logger.Errorf("error getting next endpoint: %v", err)
+				}
 				close(ch)
 				break
 			}
@@ -230,11 +279,18 @@ func (r *registryRouter) Close() error {
 		return nil
 	default:
 		close(r.exit)
-		r.rc.Stop()
 	}
 	return nil
 }
 
+func (r *registryRouter) Register(ep *api.Endpoint) error {
+	return nil
+}
+
+func (r *registryRouter) Deregister(ep *api.Endpoint) error {
+	return nil
+}
+
 func (r *registryRouter) Endpoint(req *http.Request) (*api.Service, error) {
 	if r.isClosed() {
 		return nil, errors.New("router closed")
@@ -243,60 +299,106 @@ func (r *registryRouter) Endpoint(req *http.Request) (*api.Service, error) {
 	r.RLock()
 	defer r.RUnlock()
 
+	var idx int
+	if len(req.URL.Path) > 0 && req.URL.Path != "/" {
+		idx = 1
+	}
+	path := strings.Split(req.URL.Path[idx:], "/")
+
 	// use the first match
 	// TODO: weighted matching
-	for _, e := range r.eps {
+	for n, e := range r.eps {
+		cep, ok := r.ceps[n]
+		if !ok {
+			continue
+		}
 		ep := e.Endpoint
-
-		// match
-		var pathMatch, hostMatch, methodMatch bool
-
-		// 1. try method GET, POST, PUT, etc
-		// 2. try host example.com, foobar.com, etc
-		// 3. try path /foo/bar, /bar/baz, etc
-
-		// 1. try match method
+		var mMatch, hMatch, pMatch bool
+		// 1. try method
 		for _, m := range ep.Method {
-			if req.Method == m {
-				methodMatch = true
+			if m == req.Method {
+				mMatch = true
 				break
 			}
 		}
-
-		// no match on method pass
-		if len(ep.Method) > 0 && !methodMatch {
+		if !mMatch {
 			continue
 		}
-
-		// 2. try match host
-		for _, h := range ep.Host {
-			if req.Host == h {
-				hostMatch = true
-				break
-			}
+		if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+			logger.Debugf("api method match %s", req.Method)
 		}
 
-		// no match on host pass
-		if len(ep.Host) > 0 && !hostMatch {
+		// 2. try host
+		if len(ep.Host) == 0 {
+			hMatch = true
+		} else {
+			for idx, h := range ep.Host {
+				if h == "" || h == "*" {
+					hMatch = true
+					break
+				} else {
+					if cep.hostregs[idx].MatchString(req.URL.Host) {
+						hMatch = true
+						break
+					}
+				}
+			}
+		}
+		if !hMatch {
 			continue
 		}
+		if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+			logger.Debugf("api host match %s", req.URL.Host)
+		}
 
-		// 3. try match paths
-		for _, p := range ep.Path {
-			re, err := regexp.CompilePOSIX(p)
-			if err == nil && re.MatchString(req.URL.Path) {
-				pathMatch = true
+		// 3. try path via google.api path matching
+		for _, pathreg := range cep.pathregs {
+			matches, err := pathreg.Match(path, "")
+			if err != nil {
+				if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+					logger.Debugf("api gpath not match %s != %v", path, pathreg)
+				}
+				continue
+			}
+			if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+				logger.Debugf("api gpath match %s = %v", path, pathreg)
+			}
+			pMatch = true
+			ctx := req.Context()
+			md, ok := metadata.FromContext(ctx)
+			if !ok {
+				md = make(metadata.Metadata)
+			}
+			for k, v := range matches {
+				md[fmt.Sprintf("x-api-field-%s", k)] = v
+			}
+			md["x-api-body"] = ep.Body
+			*req = *req.Clone(metadata.NewContext(ctx, md))
+			break
+		}
+
+		if !pMatch {
+			// 4. try path via pcre path matching
+			for _, pathreg := range cep.pcreregs {
+				if !pathreg.MatchString(req.URL.Path) {
+					if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+						logger.Debugf("api pcre path not match %s != %v", path, pathreg)
+					}
+					continue
+				}
+				if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+					logger.Debugf("api pcre path match %s != %v", path, pathreg)
+				}
+				pMatch = true
 				break
 			}
 		}
 
-		// no match pass
-		if len(ep.Path) > 0 && !pathMatch {
+		if !pMatch {
 			continue
 		}
 
 		// TODO: Percentage traffic
-
 		// we got here, so its a match
 		return e, nil
 	}
@@ -327,10 +429,10 @@ func (r *registryRouter) Route(req *http.Request) (*api.Service, error) {
 	}
 
 	// service name
-	name := setNamespace(r.opts.Namespace, rp.Name)
+	name := rp.Name
 
 	// get service
-	services, err := r.rc.GetService(name)
+	services, err := r.opts.Registry.GetService(name, registry.GetDomain(rp.Domain))
 	if err != nil {
 		return nil, err
 	}
@@ -374,20 +476,23 @@ func (r *registryRouter) Route(req *http.Request) (*api.Service, error) {
 	return nil, errors.New("unknown handler")
 }
 
-func newRouter(opts ...router.Option) *registryRouter {
+func newRouter(opts ...router.Option) (*registryRouter, error) {
 	options := router.NewOptions(opts...)
+	if options.Registry == nil {
+		return nil, fmt.Errorf("registry is not set")
+	}
 	r := &registryRouter{
 		exit: make(chan bool),
 		opts: options,
-		rc:   cache.New(options.Registry),
 		eps:  make(map[string]*api.Service),
+		ceps: make(map[string]*endpoint),
 	}
 	go r.watch()
 	go r.refresh()
-	return r
+	return r, nil
 }
 
 // NewRouter returns the default router
-func NewRouter(opts ...router.Option) router.Router {
+func NewRouter(opts ...router.Option) (router.Router, error) {
 	return newRouter(opts...)
 }

api/router/registry/registry_test.go

@@ -1,181 +1,38 @@
 package registry
 
 import (
-	"fmt"
-	"net/http"
-	"net/url"
 	"testing"
 
-	"github.com/micro/go-micro/v2/api"
+	"github.com/stretchr/testify/assert"
+	"github.com/unistack-org/micro/v3/registry"
 )
 
-func TestSetNamespace(t *testing.T) {
-	testCases := []struct {
-		namespace string
-		name      string
-		expected  string
-	}{
-		// default dotted path
-		{
-			"go.micro.api",
-			"foo",
-			"go.micro.api.foo",
-		},
-		// dotted end
-		{
-			"go.micro.api.",
-			"foo",
-			"go.micro.api.foo",
-		},
-		// dashed end
-		{
-			"go-micro-api-",
-			"foo",
-			"go-micro-api-foo",
-		},
-		// no namespace
-		{
-			"",
-			"foo",
-			"foo",
-		},
-		{
-			"go-micro-api-",
-			"v2.foo",
-			"go-micro-api-v2-foo",
-		},
-	}
-
-	for _, test := range testCases {
-		name := setNamespace(test.namespace, test.name)
-		if name != test.expected {
-			t.Fatalf("expected name %s got %s", test.expected, name)
-		}
-	}
-}
-
-func TestRouter(t *testing.T) {
-	r := newRouter()
-
-	compare := func(expect, got []string) bool {
-		// no data to compare, return true
-		if len(expect) == 0 && len(got) == 0 {
-			return true
-		}
-		// no data expected but got some return false
-		if len(expect) == 0 && len(got) > 0 {
-			return false
-		}
-
-		// compare expected with what we got
-		for _, e := range expect {
-			var seen bool
-			for _, g := range got {
-				if e == g {
-					seen = true
-					break
-				}
-			}
-			if !seen {
-				return false
-			}
-		}
-
-		// we're done, return true
-		return true
-	}
-
-	testData := []struct {
-		e *api.Endpoint
-		r *http.Request
-		m bool
-	}{
-		{
-			e: &api.Endpoint{
-				Name:   "Foo.Bar",
-				Host:   []string{"example.com"},
-				Method: []string{"GET"},
-				Path:   []string{"/foo"},
-			},
-			r: &http.Request{
-				Host:   "example.com",
-				Method: "GET",
-				URL: &url.URL{
-					Path: "/foo",
-				},
-			},
-			m: true,
-		},
-		{
-			e: &api.Endpoint{
-				Name:   "Bar.Baz",
-				Host:   []string{"example.com", "foo.com"},
-				Method: []string{"GET", "POST"},
-				Path:   []string{"/foo/bar"},
-			},
-			r: &http.Request{
-				Host:   "foo.com",
-				Method: "POST",
-				URL: &url.URL{
-					Path: "/foo/bar",
-				},
-			},
-			m: true,
-		},
-		{
-			e: &api.Endpoint{
-				Name:   "Test.Cruft",
-				Host:   []string{"example.com", "foo.com"},
-				Method: []string{"GET", "POST"},
-				Path:   []string{"/xyz"},
-			},
-			r: &http.Request{
-				Host:   "fail.com",
-				Method: "DELETE",
-				URL: &url.URL{
-					Path: "/test/fail",
-				},
-			},
-			m: false,
-		},
-	}
-
-	for _, d := range testData {
-		key := fmt.Sprintf("%s:%s", "test.service", d.e.Name)
-		r.eps[key] = &api.Service{
-			Endpoint: d.e,
-		}
-	}
-
-	for _, d := range testData {
-		e, err := r.Endpoint(d.r)
-		if d.m && err != nil {
-			t.Fatalf("expected match, got %v", err)
-		}
-		if !d.m && err == nil {
-			t.Fatal("expected error got match")
-		}
-		// skip testing the non match
-		if !d.m {
-			continue
-		}
-
-		ep := e.Endpoint
-
-		// test the match
-		if d.e.Name != ep.Name {
-			t.Fatalf("expected %v got %v", d.e.Name, ep.Name)
-		}
-		if ok := compare(d.e.Method, ep.Method); !ok {
-			t.Fatalf("expected %v got %v", d.e.Method, ep.Method)
-		}
-		if ok := compare(d.e.Path, ep.Path); !ok {
-			t.Fatalf("expected %v got %v", d.e.Path, ep.Path)
-		}
-		if ok := compare(d.e.Host, ep.Host); !ok {
-			t.Fatalf("expected %v got %v", d.e.Host, ep.Host)
-		}
-
+func TestStoreRegex(t *testing.T) {
+	t.Skip()
+	router, err := newRouter()
+	if err != nil {
+		t.Fatal(err)
 	}
+	router.store([]*registry.Service{
+		{
+			Name:    "Foobar",
+			Version: "latest",
+			Endpoints: []*registry.Endpoint{
+				{
+					Name: "foo",
+					Metadata: map[string]string{
+						"endpoint":    "FooEndpoint",
+						"description": "Some description",
+						"method":      "POST",
+						"path":        "^/foo/$",
+						"handler":     "rpc",
+					},
+				},
+			},
+			Metadata: map[string]string{},
+		},
+	},
+	)
 
+	assert.Len(t, router.ceps["Foobar.foo"].pcreregs, 1)
 }

api/router/router.go

@@ -4,7 +4,7 @@ package router
 import (
 	"net/http"
 
-	"github.com/micro/go-micro/v2/api"
+	"github.com/unistack-org/micro/v3/api"
 )
 
 // Router is used to determine an endpoint for a request
@@ -15,6 +15,10 @@ type Router interface {
 	Close() error
 	// Endpoint returns an api.Service endpoint or an error if it does not exist
 	Endpoint(r *http.Request) (*api.Service, error)
+	// Register endpoint in router
+	Register(ep *api.Endpoint) error
+	// Deregister endpoint from router
+	Deregister(ep *api.Endpoint) error
 	// Route returns an api.Service route
 	Route(r *http.Request) (*api.Service, error)
 }

api/router/router_test.go

@@ -0,0 +1,257 @@
+// +build ignore
+
+package router_test
+
+import (
+	"context"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"testing"
+	"time"
+
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/handler"
+	"github.com/unistack-org/micro/v3/api/handler/rpc"
+	"github.com/unistack-org/micro/v3/api/router"
+	rregistry "github.com/unistack-org/micro/v3/api/router/registry"
+	rstatic "github.com/unistack-org/micro/v3/api/router/static"
+	"github.com/unistack-org/micro/v3/broker"
+	bmemory "github.com/unistack-org/micro/v3/broker/memory"
+	"github.com/unistack-org/micro/v3/client"
+	gcli "github.com/unistack-org/micro/v3/client/grpc"
+	rmemory "github.com/unistack-org/micro/v3/registry/memory"
+	rt "github.com/unistack-org/micro/v3/router"
+	regRouter "github.com/unistack-org/micro/v3/router/registry"
+	"github.com/unistack-org/micro/v3/server"
+	gsrv "github.com/unistack-org/micro/v3/server/grpc"
+	pb "github.com/unistack-org/micro/v3/server/grpc/proto"
+)
+
+// server is used to implement helloworld.GreeterServer.
+type testServer struct {
+}
+
+// TestHello implements helloworld.GreeterServer
+func (s *testServer) Call(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
+	rsp.Msg = "Hello " + req.Uuid
+	return nil
+}
+
+// TestHello implements helloworld.GreeterServer
+func (s *testServer) CallPcre(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
+	rsp.Msg = "Hello " + req.Uuid
+	return nil
+}
+
+// TestHello implements helloworld.GreeterServer
+func (s *testServer) CallPcreInvalid(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
+	rsp.Msg = "Hello " + req.Uuid
+	return nil
+}
+
+func initial(t *testing.T) (server.Server, client.Client) {
+	r := rmemory.NewRegistry()
+	b := bmemory.NewBroker(broker.Registry(r))
+
+	// create a new client
+	s := gsrv.NewServer(
+		server.Name("foo"),
+		server.Broker(b),
+		server.Registry(r),
+	)
+
+	rtr := regRouter.NewRouter(
+		rt.Registry(r),
+	)
+
+	// create a new server
+	c := gcli.NewClient(
+		client.Router(rtr),
+		client.Broker(b),
+	)
+
+	h := &testServer{}
+	pb.RegisterTestHandler(s, h)
+
+	if err := s.Start(); err != nil {
+		t.Fatalf("failed to start: %v", err)
+	}
+
+	return s, c
+}
+
+func check(t *testing.T, addr string, path string, expected string) {
+	req, err := http.NewRequest("POST", fmt.Sprintf(path, addr), nil)
+	if err != nil {
+		t.Fatalf("Failed to created http.Request: %v", err)
+	}
+	req.Header.Set("Content-Type", "application/json")
+	rsp, err := (&http.Client{}).Do(req)
+	if err != nil {
+		t.Fatalf("Failed to created http.Request: %v", err)
+	}
+	defer rsp.Body.Close()
+
+	buf, err := ioutil.ReadAll(rsp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	jsonMsg := expected
+	if string(buf) != jsonMsg {
+		t.Fatalf("invalid message received, parsing error %s != %s", buf, jsonMsg)
+	}
+}
+
+func TestRouterRegistryPcre(t *testing.T) {
+	s, c := initial(t)
+	defer s.Stop()
+
+	router := rregistry.NewRouter(
+		router.WithHandler(rpc.Handler),
+		router.WithRegistry(s.Options().Registry),
+	)
+	hrpc := rpc.NewHandler(
+		handler.WithClient(c),
+		handler.WithRouter(router),
+	)
+	hsrv := &http.Server{
+		Handler:        hrpc,
+		Addr:           "127.0.0.1:6543",
+		WriteTimeout:   15 * time.Second,
+		ReadTimeout:    15 * time.Second,
+		IdleTimeout:    20 * time.Second,
+		MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
+	}
+
+	go func() {
+		log.Println(hsrv.ListenAndServe())
+	}()
+
+	defer hsrv.Close()
+	time.Sleep(1 * time.Second)
+	check(t, hsrv.Addr, "http://%s/api/v0/test/call/TEST", `{"msg":"Hello TEST"}`)
+}
+
+func TestRouterStaticPcre(t *testing.T) {
+	s, c := initial(t)
+	defer s.Stop()
+
+	router := rstatic.NewRouter(
+		router.WithHandler(rpc.Handler),
+		router.WithRegistry(s.Options().Registry),
+	)
+
+	err := router.Register(&api.Endpoint{
+		Name:    "foo.Test.Call",
+		Method:  []string{"POST"},
+		Path:    []string{"^/api/v0/test/call/?$"},
+		Handler: "rpc",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	hrpc := rpc.NewHandler(
+		handler.WithClient(c),
+		handler.WithRouter(router),
+	)
+	hsrv := &http.Server{
+		Handler:        hrpc,
+		Addr:           "127.0.0.1:6543",
+		WriteTimeout:   15 * time.Second,
+		ReadTimeout:    15 * time.Second,
+		IdleTimeout:    20 * time.Second,
+		MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
+	}
+
+	go func() {
+		log.Println(hsrv.ListenAndServe())
+	}()
+	defer hsrv.Close()
+
+	time.Sleep(1 * time.Second)
+	check(t, hsrv.Addr, "http://%s/api/v0/test/call", `{"msg":"Hello "}`)
+}
+
+func TestRouterStaticGpath(t *testing.T) {
+	s, c := initial(t)
+	defer s.Stop()
+
+	router := rstatic.NewRouter(
+		router.WithHandler(rpc.Handler),
+		router.WithRegistry(s.Options().Registry),
+	)
+
+	err := router.Register(&api.Endpoint{
+		Name:    "foo.Test.Call",
+		Method:  []string{"POST"},
+		Path:    []string{"/api/v0/test/call/{uuid}"},
+		Handler: "rpc",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	hrpc := rpc.NewHandler(
+		handler.WithClient(c),
+		handler.WithRouter(router),
+	)
+	hsrv := &http.Server{
+		Handler:        hrpc,
+		Addr:           "127.0.0.1:6543",
+		WriteTimeout:   15 * time.Second,
+		ReadTimeout:    15 * time.Second,
+		IdleTimeout:    20 * time.Second,
+		MaxHeaderBytes: 1024 * 1024 * 1, // 1Mb
+	}
+
+	go func() {
+		log.Println(hsrv.ListenAndServe())
+	}()
+	defer hsrv.Close()
+
+	time.Sleep(1 * time.Second)
+	check(t, hsrv.Addr, "http://%s/api/v0/test/call/TEST", `{"msg":"Hello TEST"}`)
+}
+
+func TestRouterStaticPcreInvalid(t *testing.T) {
+	var ep *api.Endpoint
+	var err error
+
+	s, c := initial(t)
+	defer s.Stop()
+
+	router := rstatic.NewRouter(
+		router.WithHandler(rpc.Handler),
+		router.WithRegistry(s.Options().Registry),
+	)
+
+	ep = &api.Endpoint{
+		Name:    "foo.Test.Call",
+		Method:  []string{"POST"},
+		Path:    []string{"^/api/v0/test/call/?"},
+		Handler: "rpc",
+	}
+
+	err = router.Register(ep)
+	if err == nil {
+		t.Fatalf("invalid endpoint %v", ep)
+	}
+
+	ep = &api.Endpoint{
+		Name:    "foo.Test.Call",
+		Method:  []string{"POST"},
+		Path:    []string{"/api/v0/test/call/?$"},
+		Handler: "rpc",
+	}
+
+	err = router.Register(ep)
+	if err == nil {
+		t.Fatalf("invalid endpoint %v", ep)
+	}
+
+	_ = c
+}

api/router/static/static.go

@@ -0,0 +1,356 @@
+package static
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"regexp"
+	"strings"
+	"sync"
+
+	"github.com/unistack-org/micro/v3/api"
+	"github.com/unistack-org/micro/v3/api/router"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/metadata"
+	"github.com/unistack-org/micro/v3/registry"
+	rutil "github.com/unistack-org/micro/v3/util/registry"
+	util "github.com/unistack-org/micro/v3/util/router"
+)
+
+type endpoint struct {
+	apiep    *api.Endpoint
+	hostregs []*regexp.Regexp
+	pathregs []util.Pattern
+	pcreregs []*regexp.Regexp
+}
+
+// router is the default router
+type staticRouter struct {
+	exit chan bool
+	opts router.Options
+	sync.RWMutex
+	eps map[string]*endpoint
+}
+
+func (r *staticRouter) isClosed() bool {
+	select {
+	case <-r.exit:
+		return true
+	default:
+		return false
+	}
+}
+
+/*
+// watch for endpoint changes
+func (r *staticRouter) watch() {
+	var attempts int
+
+	for {
+		if r.isClosed() {
+			return
+		}
+
+		// watch for changes
+		w, err := r.opts.Registry.Watch()
+		if err != nil {
+			attempts++
+			log.Println("Error watching endpoints", err)
+			time.Sleep(time.Duration(attempts) * time.Second)
+			continue
+		}
+
+		ch := make(chan bool)
+
+		go func() {
+			select {
+			case <-ch:
+				w.Stop()
+			case <-r.exit:
+				w.Stop()
+			}
+		}()
+
+		// reset if we get here
+		attempts = 0
+
+		for {
+			// process next event
+			res, err := w.Next()
+			if err != nil {
+				log.Println("Error getting next endpoint", err)
+				close(ch)
+				break
+			}
+			r.process(res)
+		}
+	}
+}
+*/
+
+func (r *staticRouter) Register(ep *api.Endpoint) error {
+	if err := api.Validate(ep); err != nil {
+		return err
+	}
+
+	var pathregs []util.Pattern
+	var hostregs []*regexp.Regexp
+	var pcreregs []*regexp.Regexp
+
+	for _, h := range ep.Host {
+		if h == "" || h == "*" {
+			continue
+		}
+		hostreg, err := regexp.CompilePOSIX(h)
+		if err != nil {
+			return err
+		}
+		hostregs = append(hostregs, hostreg)
+	}
+
+	for _, p := range ep.Path {
+		var pcreok bool
+
+		// pcre only when we have start and end markers
+		if p[0] == '^' && p[len(p)-1] == '$' {
+			pcrereg, err := regexp.CompilePOSIX(p)
+			if err == nil {
+				pcreregs = append(pcreregs, pcrereg)
+				pcreok = true
+			}
+		}
+
+		rule, err := util.Parse(p)
+		if err != nil && !pcreok {
+			return err
+		} else if err != nil && pcreok {
+			continue
+		}
+
+		tpl := rule.Compile()
+		pathreg, err := util.NewPattern(tpl.Version, tpl.OpCodes, tpl.Pool, "")
+		if err != nil {
+			return err
+		}
+		pathregs = append(pathregs, pathreg)
+	}
+
+	r.Lock()
+	r.eps[ep.Name] = &endpoint{
+		apiep:    ep,
+		pcreregs: pcreregs,
+		pathregs: pathregs,
+		hostregs: hostregs,
+	}
+	r.Unlock()
+	return nil
+}
+
+func (r *staticRouter) Deregister(ep *api.Endpoint) error {
+	if err := api.Validate(ep); err != nil {
+		return err
+	}
+	r.Lock()
+	delete(r.eps, ep.Name)
+	r.Unlock()
+	return nil
+}
+
+func (r *staticRouter) Options() router.Options {
+	return r.opts
+}
+
+func (r *staticRouter) Close() error {
+	select {
+	case <-r.exit:
+		return nil
+	default:
+		close(r.exit)
+	}
+	return nil
+}
+
+func (r *staticRouter) Endpoint(req *http.Request) (*api.Service, error) {
+	ep, err := r.endpoint(req)
+	if err != nil {
+		return nil, err
+	}
+
+	epf := strings.Split(ep.apiep.Name, ".")
+	services, err := r.opts.Registry.GetService(epf[0])
+	if err != nil {
+		return nil, err
+	}
+
+	// hack for stream endpoint
+	if ep.apiep.Stream {
+		svcs := rutil.Copy(services)
+		for _, svc := range svcs {
+			if len(svc.Endpoints) == 0 {
+				e := &registry.Endpoint{}
+				e.Name = strings.Join(epf[1:], ".")
+				e.Metadata = make(map[string]string)
+				e.Metadata["stream"] = "true"
+				svc.Endpoints = append(svc.Endpoints, e)
+			}
+			for _, e := range svc.Endpoints {
+				e.Name = strings.Join(epf[1:], ".")
+				e.Metadata = make(map[string]string)
+				e.Metadata["stream"] = "true"
+			}
+		}
+
+		services = svcs
+	}
+
+	svc := &api.Service{
+		Name: epf[0],
+		Endpoint: &api.Endpoint{
+			Name:    strings.Join(epf[1:], "."),
+			Handler: "rpc",
+			Host:    ep.apiep.Host,
+			Method:  ep.apiep.Method,
+			Path:    ep.apiep.Path,
+			Body:    ep.apiep.Body,
+			Stream:  ep.apiep.Stream,
+		},
+		Services: services,
+	}
+
+	return svc, nil
+}
+
+func (r *staticRouter) endpoint(req *http.Request) (*endpoint, error) {
+	if r.isClosed() {
+		return nil, errors.New("router closed")
+	}
+
+	r.RLock()
+	defer r.RUnlock()
+
+	var idx int
+	if len(req.URL.Path) > 0 && req.URL.Path != "/" {
+		idx = 1
+	}
+	path := strings.Split(req.URL.Path[idx:], "/")
+	// use the first match
+	// TODO: weighted matching
+
+	for _, ep := range r.eps {
+		var mMatch, hMatch, pMatch bool
+
+		// 1. try method
+		for _, m := range ep.apiep.Method {
+			if m == req.Method {
+				mMatch = true
+				break
+			}
+		}
+		if !mMatch {
+			continue
+		}
+		if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+			logger.Debugf("api method match %s", req.Method)
+		}
+
+		// 2. try host
+		if len(ep.apiep.Host) == 0 {
+			hMatch = true
+		} else {
+			for idx, h := range ep.apiep.Host {
+				if h == "" || h == "*" {
+					hMatch = true
+					break
+				} else {
+					if ep.hostregs[idx].MatchString(req.URL.Host) {
+						hMatch = true
+						break
+					}
+				}
+			}
+		}
+		if !hMatch {
+			continue
+		}
+		if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+			logger.Debugf("api host match %s", req.URL.Host)
+		}
+
+		// 3. try google.api path
+		for _, pathreg := range ep.pathregs {
+			matches, err := pathreg.Match(path, "")
+			if err != nil {
+				if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+					logger.Debugf("api gpath not match %s != %v", path, pathreg)
+				}
+				continue
+			}
+			if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+				logger.Debugf("api gpath match %s = %v", path, pathreg)
+			}
+			pMatch = true
+			ctx := req.Context()
+			md, ok := metadata.FromContext(ctx)
+			if !ok {
+				md = make(metadata.Metadata)
+			}
+			for k, v := range matches {
+				md[fmt.Sprintf("x-api-field-%s", k)] = v
+			}
+			md["x-api-body"] = ep.apiep.Body
+			*req = *req.Clone(metadata.NewContext(ctx, md))
+			break
+		}
+
+		if !pMatch {
+			// 4. try path via pcre path matching
+			for _, pathreg := range ep.pcreregs {
+				if !pathreg.MatchString(req.URL.Path) {
+					if logger.V(logger.DebugLevel, logger.DefaultLogger) {
+						logger.Debugf("api pcre path not match %s != %v", req.URL.Path, pathreg)
+					}
+					continue
+				}
+				pMatch = true
+				break
+			}
+		}
+
+		if !pMatch {
+			continue
+		}
+		// TODO: Percentage traffic
+
+		// we got here, so its a match
+		return ep, nil
+	}
+
+	// no match
+	return nil, fmt.Errorf("endpoint not found for %v", req.URL)
+}
+
+func (r *staticRouter) Route(req *http.Request) (*api.Service, error) {
+	if r.isClosed() {
+		return nil, errors.New("router closed")
+	}
+
+	// try get an endpoint
+	ep, err := r.Endpoint(req)
+	if err != nil {
+		return nil, err
+	}
+
+	return ep, nil
+}
+
+func NewRouter(opts ...router.Option) *staticRouter {
+	options := router.NewOptions(opts...)
+	r := &staticRouter{
+		exit: make(chan bool),
+		opts: options,
+		eps:  make(map[string]*endpoint),
+	}
+	//go r.watch()
+	//go r.refresh()
+	return r
+}

api/server/acme/autocert/autocert.go

@@ -4,11 +4,11 @@ package autocert
 
 import (
 	"crypto/tls"
-	"log"
 	"net"
 	"os"
 
-	"github.com/micro/go-micro/v2/api/server/acme"
+	"github.com/unistack-org/micro/v3/api/server/acme"
+	"github.com/unistack-org/micro/v3/logger"
 	"golang.org/x/crypto/acme/autocert"
 )
 
@@ -31,7 +31,9 @@ func (a *autocertProvider) TLSConfig(hosts ...string) (*tls.Config, error) {
 	}
 	dir := cacheDir()
 	if err := os.MkdirAll(dir, 0700); err != nil {
-		log.Printf("warning: autocert not using a cache: %v", err)
+		if logger.V(logger.InfoLevel, logger.DefaultLogger) {
+			logger.Infof("warning: autocert not using a cache: %v", err)
+		}
 	} else {
 		m.Cache = autocert.DirCache(dir)
 	}

api/server/acme/certmagic/certmagic.go

@@ -1,16 +1,15 @@
-// Package certmagic is the ACME provider from github.com/mholt/certmagic
+// Package certmagic is the ACME provider from github.com/caddyserver/certmagic
 package certmagic
 
 import (
 	"crypto/tls"
-	"log"
 	"math/rand"
 	"net"
 	"time"
 
-	"github.com/mholt/certmagic"
-
-	"github.com/micro/go-micro/v2/api/server/acme"
+	"github.com/caddyserver/certmagic"
+	"github.com/unistack-org/micro/v3/api/server/acme"
+	"github.com/unistack-org/micro/v3/logger"
 )
 
 type certmagicProvider struct {
@@ -19,10 +18,10 @@ type certmagicProvider struct {
 
 // TODO: set self-contained options
 func (c *certmagicProvider) setup() {
-	certmagic.Default.CA = c.opts.CA
+	certmagic.DefaultACME.CA = c.opts.CA
 	if c.opts.ChallengeProvider != nil {
 		// Enabling DNS Challenge disables the other challenges
-		certmagic.Default.DNSProvider = c.opts.ChallengeProvider
+		certmagic.DefaultACME.DNSProvider = c.opts.ChallengeProvider
 	}
 	if c.opts.OnDemand {
 		certmagic.Default.OnDemand = new(certmagic.OnDemandConfig)
@@ -33,9 +32,10 @@ func (c *certmagicProvider) setup() {
 	}
 	// If multiple instances of the provider are running, inject some
 	// randomness so they don't collide
+	// RenewalWindowRatio [0.33 - 0.50)
 	rand.Seed(time.Now().UnixNano())
-	randomDuration := (7 * 24 * time.Hour) + (time.Duration(rand.Intn(504)) * time.Hour)
-	certmagic.Default.RenewDurationBefore = randomDuration
+	randomRatio := float64(rand.Intn(17)+33) * 0.01
+	certmagic.Default.RenewalWindowRatio = randomRatio
 }
 
 func (c *certmagicProvider) Listen(hosts ...string) (net.Listener, error) {
@@ -58,7 +58,7 @@ func NewProvider(options ...acme.Option) acme.Provider {
 
 	if opts.Cache != nil {
 		if _, ok := opts.Cache.(certmagic.Storage); !ok {
-			log.Fatal("ACME: cache provided doesn't implement certmagic's Storage interface")
+			logger.Fatal("ACME: cache provided doesn't implement certmagic's Storage interface")
 		}
 	}
 

api/server/acme/certmagic/certmagic_test.go

@@ -1,228 +0,0 @@
-package certmagic
-
-import (
-	"net"
-	"net/http"
-	"os"
-	"reflect"
-	"sort"
-	"testing"
-	"time"
-
-	"github.com/go-acme/lego/v3/providers/dns/cloudflare"
-	"github.com/mholt/certmagic"
-	"github.com/micro/go-micro/v2/api/server/acme"
-	cfstore "github.com/micro/go-micro/v2/store/cloudflare"
-	"github.com/micro/go-micro/v2/sync/lock/memory"
-)
-
-func TestCertMagic(t *testing.T) {
-	if len(os.Getenv("IN_TRAVIS_CI")) != 0 {
-		t.Skip("Travis doesn't let us bind :443")
-	}
-	l, err := NewProvider().Listen()
-	if err != nil {
-		if _, ok := err.(*net.OpError); ok {
-			t.Skip("Run under non privileged user")
-		}
-		t.Fatal(err.Error())
-	}
-	l.Close()
-
-	c := cloudflare.NewDefaultConfig()
-	c.AuthEmail = ""
-	c.AuthKey = ""
-	c.AuthToken = "test"
-	c.ZoneToken = "test"
-
-	p, err := cloudflare.NewDNSProviderConfig(c)
-	if err != nil {
-		t.Fatal(err.Error())
-	}
-
-	l, err = NewProvider(acme.AcceptToS(true),
-		acme.CA(acme.LetsEncryptStagingCA),
-		acme.ChallengeProvider(p),
-	).Listen()
-
-	if err != nil {
-		t.Fatal(err.Error())
-	}
-	l.Close()
-}
-
-func TestStorageImplementation(t *testing.T) {
-	apiToken, accountID := os.Getenv("CF_API_TOKEN"), os.Getenv("CF_ACCOUNT_ID")
-	kvID := os.Getenv("KV_NAMESPACE_ID")
-	if len(apiToken) == 0 || len(accountID) == 0 || len(kvID) == 0 {
-		t.Skip("No Cloudflare API keys available, skipping test")
-	}
-
-	var s certmagic.Storage
-	st := cfstore.NewStore(
-		cfstore.Token(apiToken),
-		cfstore.Account(accountID),
-		cfstore.Namespace(kvID),
-	)
-	s = &storage{
-		lock:  memory.NewLock(),
-		store: st,
-	}
-
-	// Test Lock
-	if err := s.Lock("test"); err != nil {
-		t.Fatal(err)
-	}
-
-	// Test Unlock
-	if err := s.Unlock("test"); err != nil {
-		t.Fatal(err)
-	}
-
-	// Test data
-	testdata := []struct {
-		key   string
-		value []byte
-	}{
-		{key: "/foo/a", value: []byte("lorem")},
-		{key: "/foo/b", value: []byte("ipsum")},
-		{key: "/foo/c", value: []byte("dolor")},
-		{key: "/foo/d", value: []byte("sit")},
-		{key: "/bar/a", value: []byte("amet")},
-		{key: "/bar/b", value: []byte("consectetur")},
-		{key: "/bar/c", value: []byte("adipiscing")},
-		{key: "/bar/d", value: []byte("elit")},
-		{key: "/foo/bar/a", value: []byte("sed")},
-		{key: "/foo/bar/b", value: []byte("do")},
-		{key: "/foo/bar/c", value: []byte("eiusmod")},
-		{key: "/foo/bar/d", value: []byte("tempor")},
-		{key: "/foo/bar/baz/a", value: []byte("incididunt")},
-		{key: "/foo/bar/baz/b", value: []byte("ut")},
-		{key: "/foo/bar/baz/c", value: []byte("labore")},
-		{key: "/foo/bar/baz/d", value: []byte("et")},
-		// a duplicate just in case there's any edge cases
-		{key: "/foo/a", value: []byte("lorem")},
-	}
-
-	// Test Store
-	for _, d := range testdata {
-		if err := s.Store(d.key, d.value); err != nil {
-			t.Fatal(err.Error())
-		}
-	}
-
-	// Test Load
-	for _, d := range testdata {
-		if value, err := s.Load(d.key); err != nil {
-			t.Fatal(err.Error())
-		} else {
-			if !reflect.DeepEqual(value, d.value) {
-				t.Fatalf("Load %s: expected %v, got %v", d.key, d.value, value)
-			}
-		}
-	}
-
-	// Test Exists
-	for _, d := range testdata {
-		if !s.Exists(d.key) {
-			t.Fatalf("%s should exist, but doesn't\n", d.key)
-		}
-	}
-
-	// Test List
-	if list, err := s.List("/", true); err != nil {
-		t.Fatal(err.Error())
-	} else {
-		var expected []string
-		for i, d := range testdata {
-			if i != len(testdata)-1 {
-				// Don't store the intentionally duplicated key
-				expected = append(expected, d.key)
-			}
-		}
-		sort.Strings(expected)
-		sort.Strings(list)
-		if !reflect.DeepEqual(expected, list) {
-			t.Fatalf("List: Expected %v, got %v\n", expected, list)
-		}
-	}
-	if list, err := s.List("/foo", false); err != nil {
-		t.Fatal(err.Error())
-	} else {
-		sort.Strings(list)
-		expected := []string{"/foo/a", "/foo/b", "/foo/bar", "/foo/c", "/foo/d"}
-		if !reflect.DeepEqual(expected, list) {
-			t.Fatalf("List: expected %s, got %s\n", expected, list)
-		}
-	}
-
-	// Test Stat
-	for _, d := range testdata {
-		info, err := s.Stat(d.key)
-		if err != nil {
-			t.Fatal(err.Error())
-		} else {
-			if info.Key != d.key {
-				t.Fatalf("Stat().Key: expected %s, got %s\n", d.key, info.Key)
-			}
-			if info.Size != int64(len(d.value)) {
-				t.Fatalf("Stat().Size: expected %d, got %d\n", len(d.value), info.Size)
-			}
-			if time.Since(info.Modified) > time.Minute {
-				t.Fatalf("Stat().Modified: expected time since last modified to be < 1 minute, got %v\n", time.Since(info.Modified))
-			}
-		}
-
-	}
-
-	// Test Delete
-	for _, d := range testdata {
-		if err := s.Delete(d.key); err != nil {
-			t.Fatal(err.Error())
-		}
-	}
-
-	// New interface doesn't return an error, so call it in case any log.Fatal
-	// happens
-	NewProvider(acme.Cache(s))
-}
-
-// Full test with a real zone, with  against LE staging
-func TestE2e(t *testing.T) {
-	apiToken, accountID := os.Getenv("CF_API_TOKEN"), os.Getenv("CF_ACCOUNT_ID")
-	kvID := os.Getenv("KV_NAMESPACE_ID")
-	if len(apiToken) == 0 || len(accountID) == 0 || len(kvID) == 0 {
-		t.Skip("No Cloudflare API keys available, skipping test")
-	}
-
-	testLock := memory.NewLock()
-	testStore := cfstore.NewStore(
-		cfstore.Token(apiToken),
-		cfstore.Account(accountID),
-		cfstore.Namespace(kvID),
-	)
-	testStorage := NewStorage(testLock, testStore)
-
-	conf := cloudflare.NewDefaultConfig()
-	conf.AuthToken = apiToken
-	conf.ZoneToken = apiToken
-	testChallengeProvider, err := cloudflare.NewDNSProviderConfig(conf)
-	if err != nil {
-		t.Fatal(err.Error())
-	}
-
-	testProvider := NewProvider(
-		acme.AcceptToS(true),
-		acme.Cache(testStorage),
-		acme.CA(acme.LetsEncryptStagingCA),
-		acme.ChallengeProvider(testChallengeProvider),
-		acme.OnDemand(false),
-	)
-
-	listener, err := testProvider.Listen("*.micro.mu", "micro.mu")
-	if err != nil {
-		t.Fatal(err.Error())
-	}
-	go http.Serve(listener, http.NotFoundHandler())
-	time.Sleep(10 * time.Minute)
-}

api/server/acme/certmagic/storage.go

@@ -9,9 +9,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/mholt/certmagic"
-	"github.com/micro/go-micro/v2/store"
-	"github.com/micro/go-micro/v2/sync/lock"
+	"github.com/caddyserver/certmagic"
+	"github.com/unistack-org/micro/v3/store"
+	"github.com/unistack-org/micro/v3/sync"
 )
 
 // File represents a "File" that will be stored in store.Store - the contents and last modified time
@@ -26,16 +26,16 @@ type File struct {
 // As certmagic storage expects a filesystem (with stat() abilities) we have to implement
 // the bare minimum of metadata.
 type storage struct {
-	lock  lock.Lock
+	lock  sync.Sync
 	store store.Store
 }
 
 func (s *storage) Lock(key string) error {
-	return s.lock.Acquire(key, lock.TTL(10*time.Minute))
+	return s.lock.Lock(key, sync.LockTTL(10*time.Minute))
 }
 
 func (s *storage) Unlock(key string) error {
-	return s.lock.Release(key)
+	return s.lock.Unlock(key)
 }
 
 func (s *storage) Store(key string, value []byte) error {
@@ -139,7 +139,7 @@ func (s *storage) Stat(key string) (certmagic.KeyInfo, error) {
 }
 
 // NewStorage returns a certmagic.Storage backed by a go-micro/lock and go-micro/store
-func NewStorage(lock lock.Lock, store store.Store) certmagic.Storage {
+func NewStorage(lock sync.Sync, store store.Store) certmagic.Storage {
 	return &storage{
 		lock:  lock,
 		store: store,

api/server/acme/options.go

@@ -56,7 +56,7 @@ func OnDemand(b bool) Option {
 
 // Cache provides a cache / storage interface to the underlying ACME library
 // as there is no standard, this needs to be validated by the underlying
-// implentation.
+// implementation
 func Cache(c interface{}) Option {
 	return func(o *Options) {
 		o.Cache = c

api/server/auth/auth.go

@@ -1,71 +0,0 @@
-package auth
-
-import (
-	"net/http"
-	"strings"
-
-	"github.com/micro/go-micro/v2/auth"
-)
-
-// CombinedAuthHandler wraps a server and authenticates requests
-func CombinedAuthHandler(h http.Handler) http.Handler {
-	return authHandler{
-		handler: h,
-		auth:    auth.DefaultAuth,
-	}
-}
-
-type authHandler struct {
-	handler http.Handler
-	auth    auth.Auth
-}
-
-const (
-	// BearerScheme is the prefix in the auth header
-	BearerScheme = "Bearer "
-)
-
-func (h authHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	loginURL := h.auth.Options().LoginURL
-
-	// Return if the user disabled auth on this endpoint
-	excludes := h.auth.Options().Exclude
-	if len(loginURL) > 0 {
-		excludes = append(excludes, loginURL)
-	}
-	for _, e := range excludes {
-		if e == req.URL.Path {
-			h.handler.ServeHTTP(w, req)
-			return
-		}
-	}
-
-	var token string
-	if header := req.Header.Get("Authorization"); len(header) > 0 {
-		// Extract the auth token from the request
-		if strings.HasPrefix(header, BearerScheme) {
-			token = header[len(BearerScheme):]
-		}
-	} else {
-		// Get the token out the cookies if not provided in headers
-		if c, err := req.Cookie("micro-token"); err == nil && c != nil {
-			token = strings.TrimPrefix(c.Value, auth.CookieName+"=")
-			req.Header.Set("Authorization", BearerScheme+token)
-		}
-	}
-
-	// If the token is valid, allow the request
-	if _, err := h.auth.Verify(token); err == nil {
-		h.handler.ServeHTTP(w, req)
-		return
-	}
-
-	// If there is no auth login url set, 401
-	if loginURL == "" {
-		w.WriteHeader(401)
-		return
-	}
-
-	// Redirect to the login path
-	http.Redirect(w, req, loginURL, http.StatusTemporaryRedirect)
-}

api/server/http/http.go

@@ -5,15 +5,10 @@ import (
 	"crypto/tls"
 	"net"
 	"net/http"
-	"os"
 	"sync"
 
-	"github.com/micro/go-micro/v2/api/server/auth"
-
-	"github.com/gorilla/handlers"
-	"github.com/micro/go-micro/v2/api/server"
-	"github.com/micro/go-micro/v2/api/server/cors"
-	"github.com/micro/go-micro/v2/logger"
+	"github.com/unistack-org/micro/v3/api/server"
+	"github.com/unistack-org/micro/v3/logger"
 )
 
 type httpServer struct {
@@ -25,9 +20,14 @@ type httpServer struct {
 	exit    chan chan error
 }
 
-func NewServer(address string) server.Server {
+func NewServer(address string, opts ...server.Option) server.Server {
+	var options server.Options
+	for _, o := range opts {
+		o(&options)
+	}
+
 	return &httpServer{
-		opts:    server.Options{},
+		opts:    options,
 		mux:     http.NewServeMux(),
 		address: address,
 		exit:    make(chan chan error),
@@ -48,14 +48,14 @@ func (s *httpServer) Init(opts ...server.Option) error {
 }
 
 func (s *httpServer) Handle(path string, handler http.Handler) {
-	h := handlers.CombinedLoggingHandler(os.Stdout, handler)
-	h = auth.CombinedAuthHandler(handler)
+	// TODO: move this stuff out to one place with ServeHTTP
 
-	if s.opts.EnableCORS {
-		h = cors.CombinedCORSHandler(h)
+	// apply the wrappers, e.g. auth
+	for _, wrapper := range s.opts.Wrappers {
+		handler = wrapper(handler)
 	}
 
-	s.mux.Handle(path, h)
+	s.mux.Handle(path, handler)
 }
 
 func (s *httpServer) Start() error {
@@ -86,7 +86,7 @@ func (s *httpServer) Start() error {
 	go func() {
 		if err := http.Serve(l, s.mux); err != nil {
 			// temporary fix
-			//logger.Fatal(err)
+			logger.Error(err)
 		}
 	}()
 

api/server/options.go

@@ -2,8 +2,10 @@ package server
 
 import (
 	"crypto/tls"
+	"net/http"
 
-	"github.com/micro/go-micro/v2/api/server/acme"
+	"github.com/unistack-org/micro/v3/api/resolver"
+	"github.com/unistack-org/micro/v3/api/server/acme"
 )
 
 type Option func(o *Options)
@@ -15,6 +17,16 @@ type Options struct {
 	EnableTLS    bool
 	ACMEHosts    []string
 	TLSConfig    *tls.Config
+	Resolver     resolver.Resolver
+	Wrappers     []Wrapper
+}
+
+type Wrapper func(h http.Handler) http.Handler
+
+func WrapHandler(w ...Wrapper) Option {
+	return func(o *Options) {
+		o.Wrappers = append(o.Wrappers, w...)
+	}
 }
 
 func EnableCORS(b bool) Option {
@@ -52,3 +64,9 @@ func TLSConfig(t *tls.Config) Option {
 		o.TLSConfig = t
 	}
 }
+
+func Resolver(r resolver.Resolver) Option {
+	return func(o *Options) {
+		o.Resolver = r
+	}
+}

auth/auth.go

@@ -3,98 +3,132 @@ package auth
 
 import (
 	"context"
-	"encoding/json"
+	"errors"
 	"time"
-
-	"github.com/micro/go-micro/v2/metadata"
 )
 
-// Auth providers authentication and authorization
+const (
+	// BearerScheme used for Authorization header
+	BearerScheme = "Bearer "
+	// ScopePublic is the scope applied to a rule to allow access to the public
+	ScopePublic = ""
+	// ScopeAccount is the scope applied to a rule to limit to users with any valid account
+	ScopeAccount = "*"
+)
+
+var (
+	DefaultAuth Auth
+	// ErrInvalidToken is when the token provided is not valid
+	ErrInvalidToken = errors.New("invalid token provided")
+	// ErrForbidden is when a user does not have the necessary scope to access a resource
+	ErrForbidden = errors.New("resource forbidden")
+)
+
+// Auth provides authentication and authorization
 type Auth interface {
-	// Init the auth package
-	Init(opts ...Option) error
-	// Options returns the options set
+	// Init the auth
+	Init(opts ...Option)
+	// Options set for auth
 	Options() Options
-	// Generate a new auth Account
+	// Generate a new account
 	Generate(id string, opts ...GenerateOption) (*Account, error)
-	// Revoke an authorization Account
-	Revoke(token string) error
-	// Verify an account token
-	Verify(token string) (*Account, error)
-	// String returns the implementation
+	// Verify an account has access to a resource using the rules
+	Verify(acc *Account, res *Resource, opts ...VerifyOption) error
+	// Inspect a token
+	Inspect(token string) (*Account, error)
+	// Token generated using refresh token or credentials
+	Token(opts ...TokenOption) (*Token, error)
+	// Grant access to a resource
+	Grant(rule *Rule) error
+	// Revoke access to a resource
+	Revoke(rule *Rule) error
+	// Rules returns all the rules used to verify requests
+	Rules(...RulesOption) ([]*Rule, error)
+	// String returns the name of the implementation
 	String() string
 }
 
-// Resource is an entity such as a user or
-type Resource struct {
-	// Name of the resource
-	Name string
-	// Type of resource, e.g.
-	Type string
-}
-
-// Role an account has
-type Role struct {
-	// Name of the role
-	Name string
-	// The resource it has access
-	// TODO: potentially remove
-	Resource *Resource
-}
-
 // Account provided by an auth provider
 type Account struct {
-	// ID of the account (UUIDV4, email or username)
-	Id string `json:"id"`
-	// Token used to authenticate
-	Token string `json:"token"`
-	// Time of Account creation
-	Created time.Time `json:"created"`
-	// Time of Account expiry
-	Expiry time.Time `json:"expiry"`
-	// Roles associated with the Account
-	Roles []*Role `json:"roles"`
+	// ID of the account e.g. email
+	ID string `json:"id"`
+	// Type of the account, e.g. service
+	Type string `json:"type"`
+	// Issuer of the account
+	Issuer string `json:"issuer"`
 	// Any other associated metadata
 	Metadata map[string]string `json:"metadata"`
+	// Scopes the account has access to
+	Scopes []string `json:"scopes"`
+	// Secret for the account, e.g. the password
+	Secret string `json:"secret"`
 }
 
+// Token can be short or long lived
+type Token struct {
+	// The token to be used for accessing resources
+	AccessToken string `json:"access_token"`
+	// RefreshToken to be used to generate a new token
+	RefreshToken string `json:"refresh_token"`
+	// Time of token creation
+	Created time.Time `json:"created"`
+	// Time of token expiry
+	Expiry time.Time `json:"expiry"`
+}
+
+// Expired returns a boolean indicating if the token needs to be refreshed
+func (t *Token) Expired() bool {
+	return t.Expiry.Unix() < time.Now().Unix()
+}
+
+// Resource is an entity such as a user or
+type Resource struct {
+	// Name of the resource, e.g. go.micro.service.notes
+	Name string `json:"name"`
+	// Type of resource, e.g. service
+	Type string `json:"type"`
+	// Endpoint resource e.g NotesService.Create
+	Endpoint string `json:"endpoint"`
+}
+
+// Access defines the type of access a rule grants
+type Access int
+
 const (
-	// MetadataKey is the key used when storing the account
-	// in metadata
-	MetadataKey = "auth-account"
-	// CookieName is the name of the cookie which stores the
-	// auth token
-	CookieName = "micro-token"
+	// AccessGranted to a resource
+	AccessGranted Access = iota
+	// AccessDenied to a resource
+	AccessDenied
 )
 
+// Rule is used to verify access to a resource
+type Rule struct {
+	// ID of the rule, e.g. "public"
+	ID string
+	// Scope the rule requires, a blank scope indicates open to the public and * indicates the rule
+	// applies to any valid account
+	Scope string
+	// Resource the rule applies to
+	Resource *Resource
+	// Access determines if the rule grants or denies access to the resource
+	Access Access
+	// Priority the rule should take when verifying a request, the higher the value the sooner the
+	// rule will be applied
+	Priority int32
+}
+
+type accountKey struct{}
+
 // AccountFromContext gets the account from the context, which
 // is set by the auth wrapper at the start of a call. If the account
 // is not set, a nil account will be returned. The error is only returned
 // when there was a problem retrieving an account
-func AccountFromContext(ctx context.Context) (*Account, error) {
-	str, ok := metadata.Get(ctx, MetadataKey)
-	// there was no account set
-	if !ok {
-		return nil, nil
-	}
-
-	var acc *Account
-	// metadata is stored as a string, so unmarshal to an account
-	if err := json.Unmarshal([]byte(str), &acc); err != nil {
-		return nil, err
-	}
-
-	return acc, nil
+func AccountFromContext(ctx context.Context) (*Account, bool) {
+	acc, ok := ctx.Value(accountKey{}).(*Account)
+	return acc, ok
 }
 
 // ContextWithAccount sets the account in the context
-func ContextWithAccount(ctx context.Context, account *Account) (context.Context, error) {
-	// metadata is stored as a string, so marshal to bytes
-	bytes, err := json.Marshal(account)
-	if err != nil {
-		return ctx, err
-	}
-
-	// generate a new context with the MetadataKey set
-	return metadata.Set(ctx, MetadataKey, string(bytes)), nil
+func ContextWithAccount(ctx context.Context, account *Account) context.Context {
+	return context.WithValue(ctx, accountKey{}, account)
 }

auth/default.go

@@ -1,122 +0,0 @@
-package auth
-
-import (
-	"encoding/base32"
-	"sync"
-	"time"
-)
-
-var (
-	DefaultAuth = NewAuth()
-)
-
-func genAccount(id string) *Account {
-	// return a pseudo account
-	return &Account{
-		Id:       id,
-		Token:    base32.StdEncoding.EncodeToString([]byte(id)),
-		Created:  time.Now(),
-		Expiry:   time.Now().Add(time.Hour * 24),
-		Metadata: make(map[string]string),
-	}
-}
-
-// NewAuth returns a new default registry which is memory
-func NewAuth(opts ...Option) Auth {
-	var options Options
-	for _, o := range opts {
-		o(&options)
-	}
-
-	return &memory{
-		accounts: make(map[string]*Account),
-		opts:     options,
-	}
-}
-
-// TODO: replace with https://github.com/nats-io/nkeys
-// We'll then register public key in registry to use
-type memory struct {
-	opts Options
-	// accounts
-	sync.RWMutex
-	accounts map[string]*Account
-}
-
-func (n *memory) Init(opts ...Option) error {
-	for _, o := range opts {
-		o(&n.opts)
-	}
-	return nil
-}
-
-func (n *memory) Options() Options {
-	return n.opts
-}
-
-func (n *memory) Generate(id string, opts ...GenerateOption) (*Account, error) {
-	var options GenerateOptions
-	for _, o := range opts {
-		o(&options)
-	}
-
-	// return a pseudo account
-	acc := genAccount(id)
-
-	// set opts
-	if len(options.Roles) > 0 {
-		acc.Roles = options.Roles
-	}
-	if options.Metadata != nil {
-		acc.Metadata = options.Metadata
-	}
-
-	// TODO: don't overwrite
-	n.Lock()
-	// maybe save by account id?
-	n.accounts[acc.Token] = acc
-	n.Unlock()
-
-	return acc, nil
-}
-
-func (n *memory) Revoke(token string) error {
-	n.Lock()
-	delete(n.accounts, token)
-	n.Unlock()
-	return nil
-}
-
-func (n *memory) Verify(token string) (*Account, error) {
-	n.RLock()
-	defer n.RUnlock()
-
-	if len(token) == 0 {
-		// pseudo account?
-		return genAccount(""), nil
-	}
-
-	// try get the local account if it exists
-	if acc, ok := n.accounts[token]; ok {
-		return acc, nil
-	}
-
-	// decode the token otherwise
-	b, err := base32.StdEncoding.DecodeString(token)
-	if err != nil {
-		return genAccount(""), nil
-	}
-
-	// return a pseudo account based on token/id
-	return &Account{
-		Id:       string(b),
-		Token:    token,
-		Created:  time.Now(),
-		Expiry:   time.Now().Add(time.Hour * 24),
-		Metadata: make(map[string]string),
-	}, nil
-}
-
-func (n *memory) String() string {
-	return "memory"
-}

auth/jwt/jwt.go

@@ -1,134 +1,151 @@
+// Package jwt is a jwt implementation of the auth interface
 package jwt
 
 import (
-	"encoding/base64"
-	"errors"
+	"sync"
+	"time"
 
-	"github.com/dgrijalva/jwt-go"
-	"github.com/micro/go-micro/v2/auth"
-)
-
-var (
-	// ErrInvalidPrivateKey is returned when the service provided an invalid private key
-	ErrInvalidPrivateKey = errors.New("An invalid private key was provided")
-
-	// ErrEncodingToken is returned when the service encounters an error during encoding
-	ErrEncodingToken = errors.New("An error occured while encoding the JWT")
-
-	// ErrInvalidToken is returned when the token provided is not valid
-	ErrInvalidToken = errors.New("An invalid token was provided")
-
-	// ErrMissingToken is returned when no token is provided
-	ErrMissingToken = errors.New("A valid JWT is required")
+	"github.com/unistack-org/micro/v3/auth"
+	"github.com/unistack-org/micro/v3/util/token"
+	"github.com/unistack-org/micro/v3/util/token/jwt"
 )
 
 // NewAuth returns a new instance of the Auth service
 func NewAuth(opts ...auth.Option) auth.Auth {
-	svc := new(svc)
-	svc.Init(opts...)
-	return svc
+	j := new(jwtAuth)
+	j.Init(opts...)
+	return j
 }
 
-// svc is the JWT implementation of the Auth interface
-type svc struct {
+type jwtAuth struct {
 	options auth.Options
+	token   token.Provider
+	rules   []*auth.Rule
+
+	sync.Mutex
 }
 
-func (s *svc) String() string {
+func (j *jwtAuth) String() string {
 	return "jwt"
 }
 
-func (s *svc) Options() auth.Options {
-	return s.options
-}
+func (j *jwtAuth) Init(opts ...auth.Option) {
+	j.Lock()
+	defer j.Unlock()
 
-func (s *svc) Init(opts ...auth.Option) error {
 	for _, o := range opts {
-		o(&s.options)
+		o(&j.options)
 	}
 
-	return nil
+	j.token = jwt.NewTokenProvider(
+		token.WithPrivateKey(j.options.PrivateKey),
+		token.WithPublicKey(j.options.PublicKey),
+	)
 }
 
-// AuthClaims to be encoded in the JWT
-type AuthClaims struct {
-	Id       string            `json:"id"`
-	Roles    []*auth.Role      `json:"roles"`
-	Metadata map[string]string `json:"metadata"`
-
-	jwt.StandardClaims
+func (j *jwtAuth) Options() auth.Options {
+	j.Lock()
+	defer j.Unlock()
+	return j.options
 }
 
-// Generate a new JWT
-func (s *svc) Generate(id string, ops ...auth.GenerateOption) (*auth.Account, error) {
-	// decode the private key
-	priv, err := base64.StdEncoding.DecodeString(s.options.PrivateKey)
-	if err != nil {
-		return nil, err
+func (j *jwtAuth) Generate(id string, opts ...auth.GenerateOption) (*auth.Account, error) {
+	options := auth.NewGenerateOptions(opts...)
+	if len(options.Issuer) == 0 {
+		options.Issuer = j.Options().Issuer
 	}
 
-	key, err := jwt.ParseRSAPrivateKeyFromPEM(priv)
-	if err != nil {
-		return nil, ErrEncodingToken
-	}
-
-	options := auth.NewGenerateOptions(ops...)
-	account := jwt.NewWithClaims(jwt.SigningMethodRS256, AuthClaims{
-		id, options.Roles, options.Metadata, jwt.StandardClaims{
-			Subject:   id,
-			ExpiresAt: options.Expiry.Unix(),
-		},
-	})
-
-	token, err := account.SignedString(key)
-	if err != nil {
-		return nil, err
-	}
-
-	return &auth.Account{
-		Id:       id,
-		Token:    token,
-		Roles:    options.Roles,
+	account := &auth.Account{
+		ID:       id,
+		Type:     options.Type,
+		Scopes:   options.Scopes,
 		Metadata: options.Metadata,
-	}, nil
+		Issuer:   options.Issuer,
+	}
+
+	// generate a JWT secret which can be provided to the Token() method
+	// and exchanged for an access token
+	secret, err := j.token.Generate(account, token.WithExpiry(time.Hour*24*365))
+	if err != nil {
+		return nil, err
+	}
+	account.Secret = secret.Token
+
+	// return the account
+	return account, nil
 }
 
-// Revoke an authorization account
-func (s *svc) Revoke(token string) error {
+func (j *jwtAuth) Grant(rule *auth.Rule) error {
+	j.Lock()
+	defer j.Unlock()
+	j.rules = append(j.rules, rule)
 	return nil
 }
 
-// Verify a JWT
-func (s *svc) Verify(token string) (*auth.Account, error) {
-	if token == "" {
-		return nil, ErrMissingToken
+func (j *jwtAuth) Revoke(rule *auth.Rule) error {
+	j.Lock()
+	defer j.Unlock()
+
+	rules := []*auth.Rule{}
+	for _, r := range j.rules {
+		if r.ID != rule.ID {
+			rules = append(rules, r)
+		}
 	}
 
-	// decode the public key
-	pub, err := base64.StdEncoding.DecodeString(s.options.PublicKey)
+	j.rules = rules
+	return nil
+}
+
+func (j *jwtAuth) Verify(acc *auth.Account, res *auth.Resource, opts ...auth.VerifyOption) error {
+	j.Lock()
+	defer j.Unlock()
+
+	var options auth.VerifyOptions
+	for _, o := range opts {
+		o(&options)
+	}
+
+	return auth.VerifyAccess(j.rules, acc, res)
+}
+
+func (j *jwtAuth) Rules(opts ...auth.RulesOption) ([]*auth.Rule, error) {
+	j.Lock()
+	defer j.Unlock()
+	return j.rules, nil
+}
+
+func (j *jwtAuth) Inspect(token string) (*auth.Account, error) {
+	return j.token.Inspect(token)
+}
+
+func (j *jwtAuth) Token(opts ...auth.TokenOption) (*auth.Token, error) {
+	options := auth.NewTokenOptions(opts...)
+
+	secret := options.RefreshToken
+	if len(options.Secret) > 0 {
+		secret = options.Secret
+	}
+
+	account, err := j.token.Inspect(secret)
 	if err != nil {
 		return nil, err
 	}
 
-	res, err := jwt.ParseWithClaims(token, &AuthClaims{}, func(token *jwt.Token) (interface{}, error) {
-		return jwt.ParseRSAPublicKeyFromPEM(pub)
-	})
+	access, err := j.token.Generate(account, token.WithExpiry(options.Expiry))
 	if err != nil {
 		return nil, err
 	}
 
-	if !res.Valid {
-		return nil, ErrInvalidToken
+	refresh, err := j.token.Generate(account, token.WithExpiry(options.Expiry+time.Hour))
+	if err != nil {
+		return nil, err
 	}
 
-	claims, ok := res.Claims.(*AuthClaims)
-	if !ok {
-		return nil, ErrInvalidToken
-	}
-
-	return &auth.Account{
-		Id:       claims.Id,
-		Metadata: claims.Metadata,
-		Roles:    claims.Roles,
+	return &auth.Token{
+		Created:      access.Created,
+		Expiry:       access.Expiry,
+		AccessToken:  access.Token,
+		RefreshToken: refresh.Token,
 	}, nil
 }

auth/noop/noop.go

@@ -0,0 +1,81 @@
+package noop
+
+import (
+	"github.com/google/uuid"
+	"github.com/unistack-org/micro/v3/auth"
+)
+
+func NewAuth(opts ...auth.Option) auth.Auth {
+	var options auth.Options
+	for _, o := range opts {
+		o(&options)
+	}
+
+	return &noop{
+		opts: options,
+	}
+}
+
+type noop struct {
+	opts auth.Options
+}
+
+// String returns the name of the implementation
+func (n *noop) String() string {
+	return "noop"
+}
+
+// Init the auth
+func (n *noop) Init(opts ...auth.Option) {
+	for _, o := range opts {
+		o(&n.opts)
+	}
+}
+
+// Options set for auth
+func (n *noop) Options() auth.Options {
+	return n.opts
+}
+
+// Generate a new account
+func (n *noop) Generate(id string, opts ...auth.GenerateOption) (*auth.Account, error) {
+	options := auth.NewGenerateOptions(opts...)
+
+	return &auth.Account{
+		ID:       id,
+		Secret:   options.Secret,
+		Metadata: options.Metadata,
+		Scopes:   options.Scopes,
+		Issuer:   n.Options().Issuer,
+	}, nil
+}
+
+// Grant access to a resource
+func (n *noop) Grant(rule *auth.Rule) error {
+	return nil
+}
+
+// Revoke access to a resource
+func (n *noop) Revoke(rule *auth.Rule) error {
+	return nil
+}
+
+// Rules used to verify requests
+func (n *noop) Rules(opts ...auth.RulesOption) ([]*auth.Rule, error) {
+	return []*auth.Rule{}, nil
+}
+
+// Verify an account has access to a resource
+func (n *noop) Verify(acc *auth.Account, res *auth.Resource, opts ...auth.VerifyOption) error {
+	return nil
+}
+
+// Inspect a token
+func (n *noop) Inspect(token string) (*auth.Account, error) {
+	return &auth.Account{ID: uuid.New().String(), Issuer: n.Options().Issuer}, nil
+}
+
+// Token generation using an account id and secret
+func (n *noop) Token(opts ...auth.TokenOption) (*auth.Token, error) {
+	return &auth.Token{}, nil
+}

auth/options.go

@@ -1,32 +1,66 @@
 package auth
 
 import (
+	"context"
 	"time"
 
-	"github.com/micro/go-micro/v2/auth/provider"
+	"github.com/unistack-org/micro/v3/logger"
+	"github.com/unistack-org/micro/v3/store"
 )
 
+func NewOptions(opts ...Option) Options {
+	var options Options
+	for _, o := range opts {
+		o(&options)
+	}
+	return options
+}
+
 type Options struct {
-	// Token is an auth token
-	Token string
-	// Public key base64 encoded
+	// Issuer of the service's account
+	Issuer string
+	// ID is the services auth ID
+	ID string
+	// Secret is used to authenticate the service
+	Secret string
+	// Token is the services token used to authenticate itself
+	Token *Token
+	// PublicKey for decoding JWTs
 	PublicKey string
-	// Private key base64 encoded
+	// PrivateKey for encoding JWTs
 	PrivateKey string
-	// Endpoints to exclude
-	Exclude []string
-	// Provider is an auth provider
-	Provider provider.Provider
 	// LoginURL is the relative url path where a user can login
 	LoginURL string
+	// Store to back auth
+	Store store.Store
+	// Addrs sets the addresses of auth
+	Addrs []string
+	// Logger sets the logger
+	Logger logger.Logger
+	// Context to store other options
+	Context context.Context
 }
 
 type Option func(o *Options)
 
-// Exclude ecludes a set of endpoints from authorization
-func Exclude(e ...string) Option {
+// Addrs is the auth addresses to use
+func Addrs(addrs ...string) Option {
 	return func(o *Options) {
-		o.Exclude = e
+		o.Addrs = addrs
+	}
+}
+
+// Issuer of the services account
+func Issuer(i string) Option {
+	return func(o *Options) {
+		o.Issuer = i
+	}
+}
+
+// Store to back auth
+func Store(s store.Store) Option {
+	return func(o *Options) {
+		o.Store = s
 	}
 }
 
@@ -44,17 +78,18 @@ func PrivateKey(key string) Option {
 	}
 }
 
-// Token sets an auth token
-func Token(t string) Option {
+// Credentials sets the auth credentials
+func Credentials(id, secret string) Option {
 	return func(o *Options) {
-		o.Token = t
+		o.ID = id
+		o.Secret = secret
 	}
 }
 
-// Provider set the auth provider
-func Provider(p provider.Provider) Option {
+// ClientToken sets the auth token to use when making requests
+func ClientToken(token *Token) Option {
 	return func(o *Options) {
-		o.Provider = p
+		o.Token = token
 	}
 }
 
@@ -68,32 +103,59 @@ func LoginURL(url string) Option {
 type GenerateOptions struct {
 	// Metadata associated with the account
 	Metadata map[string]string
-	// Roles/scopes associated with the account
-	Roles []*Role
-	//Expiry of the token
-	Expiry time.Time
+	// Scopes the account has access too
+	Scopes []string
+	// Provider of the account, e.g. oauth
+	Provider string
+	// Type of the account, e.g. user
+	Type string
+	// Secret used to authenticate the account
+	Secret string
+	// Issuer of the account, e.g. micro
+	Issuer string
 }
 
 type GenerateOption func(o *GenerateOptions)
 
-// Metadata for the generated account
-func Metadata(md map[string]string) func(o *GenerateOptions) {
+// WithSecret for the generated account
+func WithSecret(s string) GenerateOption {
+	return func(o *GenerateOptions) {
+		o.Secret = s
+	}
+}
+
+// WithType for the generated account
+func WithType(t string) GenerateOption {
+	return func(o *GenerateOptions) {
+		o.Type = t
+	}
+}
+
+// WithMetadata for the generated account
+func WithMetadata(md map[string]string) GenerateOption {
 	return func(o *GenerateOptions) {
 		o.Metadata = md
 	}
 }
 
-// Roles for the generated account
-func Roles(rs []*Role) func(o *GenerateOptions) {
+// WithProvider for the generated account
+func WithProvider(p string) GenerateOption {
 	return func(o *GenerateOptions) {
-		o.Roles = rs
+		o.Provider = p
 	}
 }
 
-// Expiry for the generated account's token expires
-func Expiry(ex time.Time) func(o *GenerateOptions) {
+// WithScopes for the generated account
+func WithScopes(s ...string) GenerateOption {
 	return func(o *GenerateOptions) {
-		o.Expiry = ex
+		o.Scopes = s
+	}
+}
+
+// WithIssuer for the generated account
+func WithIssuer(i string) GenerateOption {
+	return func(o *GenerateOptions) {
+		o.Issuer = i
 	}
 }
 
@@ -103,9 +165,98 @@ func NewGenerateOptions(opts ...GenerateOption) GenerateOptions {
 	for _, o := range opts {
 		o(&options)
 	}
-	//set defualt expiry of token
-	if options.Expiry.IsZero() {
-		options.Expiry = time.Now().Add(time.Hour * 24)
-	}
 	return options
 }
+
+type TokenOptions struct {
+	// ID for the account
+	ID string
+	// Secret for the account
+	Secret string
+	// RefreshToken is used to refesh a token
+	RefreshToken string
+	// Expiry is the time the token should live for
+	Expiry time.Duration
+	// Issuer of the account
+	Issuer string
+}
+
+type TokenOption func(o *TokenOptions)
+
+// WithExpiry for the token
+func WithExpiry(ex time.Duration) TokenOption {
+	return func(o *TokenOptions) {
+		o.Expiry = ex
+	}
+}
+
+func WithCredentials(id, secret string) TokenOption {
+	return func(o *TokenOptions) {
+		o.ID = id
+		o.Secret = secret
+	}
+}
+
+func WithToken(rt string) TokenOption {
+	return func(o *TokenOptions) {
+		o.RefreshToken = rt
+	}
+}
+
+func WithTokenIssuer(iss string) TokenOption {
+	return func(o *TokenOptions) {
+		o.Issuer = iss
+	}
+}
+
+// NewTokenOptions from a slice of options
+func NewTokenOptions(opts ...TokenOption) TokenOptions {
+	var options TokenOptions
+	for _, o := range opts {
+		o(&options)
+	}
+
+	// set default expiry of token
+	if options.Expiry == 0 {
+		options.Expiry = time.Minute
+	}
+
+	return options
+}
+
+type VerifyOptions struct {
+	Context   context.Context
+	Namespace string
+}
+
+type VerifyOption func(o *VerifyOptions)
+
+func VerifyContext(ctx context.Context) VerifyOption {
+	return func(o *VerifyOptions) {
+		o.Context = ctx
+	}
+}
+func VerifyNamespace(ns string) VerifyOption {
+	return func(o *VerifyOptions) {
+		o.Namespace = ns
+	}
+}
+
+type RulesOptions struct {
+	Context   context.Context
+	Namespace string
+}
+
+type RulesOption func(o *RulesOptions)
+
+func RulesContext(ctx context.Context) RulesOption {
+	return func(o *RulesOptions) {
+		o.Context = ctx
+	}
+}
+
+func RulesNamespace(ns string) RulesOption {
+	return func(o *RulesOptions) {
+		o.Namespace = ns
+	}
+}

auth/provider/basic/basic.go

@@ -1,34 +0,0 @@
-package basic
-
-import (
-	"github.com/micro/go-micro/v2/auth/provider"
-)
-
-// NewProvider returns an initialised basic provider
-func NewProvider(opts ...provider.Option) provider.Provider {
-	var options provider.Options
-	for _, o := range opts {
-		o(&options)
-	}
-	return &basic{options}
-}
-
-type basic struct {
-	opts provider.Options
-}
-
-func (b *basic) String() string {
-	return "basic"
-}
-
-func (b *basic) Options() provider.Options {
-	return b.opts
-}
-
-func (b *basic) Endpoint() string {
-	return ""
-}
-
-func (b *basic) Redirect() string {
-	return ""
-}

auth/provider/oauth/oauth.go

@@ -1,54 +0,0 @@
-package oauth
-
-import (
-	"fmt"
-	"net/url"
-	"strings"
-
-	"github.com/micro/go-micro/v2/auth/provider"
-)
-
-// NewProvider returns an initialised oauth provider
-func NewProvider(opts ...provider.Option) provider.Provider {
-	var options provider.Options
-	for _, o := range opts {
-		o(&options)
-	}
-	return &oauth{options}
-}
-
-type oauth struct {
-	opts provider.Options
-}
-
-func (o *oauth) String() string {
-	return "oauth"
-}
-
-func (o *oauth) Options() provider.Options {
-	return o.opts
-}
-
-func (o *oauth) Endpoint() string {
-	params := make(url.Values)
-	params.Add("response_type", "code")
-
-	if clientID := o.opts.ClientID; len(clientID) > 0 {
-		params.Add("client_id", clientID)
-	}
-
-	if scope := o.opts.Scope; len(scope) > 0 {
-		// spaces are url encoded since this cannot be passed in env vars
-		params.Add("scope", strings.ReplaceAll(scope, "%20", " "))
-	}
-
-	if redir := o.Redirect(); len(redir) > 0 {
-		params.Add("redirect_uri", redir)
-	}
-
-	return fmt.Sprintf("%v?%v", o.opts.Endpoint, params.Encode())
-}
-
-func (o *oauth) Redirect() string {
-	return o.opts.Redirect
-}

auth/provider/options.go

@@ -1,47 +0,0 @@
-package provider
-
-// Option returns a function which sets an option
-type Option func(*Options)
-
-// Options a provider can have
-type Options struct {
-	// ClientID is the application's ID.
-	ClientID string
-	// ClientSecret is the application's secret.
-	ClientSecret string
-	// Endpoint for the provider
-	Endpoint string
-	// Redirect url incase of UI
-	Redirect string
-	// Scope of the oauth request
-	Scope string
-}
-
-// Credentials is an option which sets the client id and secret
-func Credentials(id, secret string) Option {
-	return func(o *Options) {
-		o.ClientID = id
-		o.ClientSecret = secret
-	}
-}
-
-// Endpoint sets the endpoint option
-func Endpoint(e string) Option {
-	return func(o *Options) {
-		o.Endpoint = e
-	}
-}
-
-// Redirect sets the Redirect option
-func Redirect(r string) Option {
-	return func(o *Options) {
-		o.Redirect = r
-	}
-}
-
-// Scope sets the oauth scope
-func Scope(s string) Option {
-	return func(o *Options) {
-		o.Scope = s
-	}
-}

auth/provider/provider.go

@@ -1,28 +0,0 @@
-// Package provider is an external auth provider e.g oauth
-package provider
-
-import (
-	"time"
-)
-
-// Provider is an auth provider
-type Provider interface {
-	// String returns the name of the provider
-	String() string
-	// Options returns the options of a provider
-	Options() Options
-	// Endpoint for the provider
-	Endpoint() string
-	// Redirect url incase of UI
-	Redirect() string
-}
-
-// Grant is a granted authorisation
-type Grant struct {
-	// token for reuse
-	Token string
-	// Expiry of the token
-	Expiry time.Time
-	// Scopes associated with grant
-	Scopes []string
-}

auth/rules.go

@@ -0,0 +1,91 @@
+package auth
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+)
+
+// VerifyAccess an account has access to a resource using the rules provided. If the account does not have
+// access an error will be returned. If there are no rules provided which match the resource, an error
+// will be returned
+func VerifyAccess(rules []*Rule, acc *Account, res *Resource) error {
+	// the rule is only to be applied if the type matches the resource or is catch-all (*)
+	validTypes := []string{"*", res.Type}
+
+	// the rule is only to be applied if the name matches the resource or is catch-all (*)
+	validNames := []string{"*", res.Name}
+
+	// rules can have wildcard excludes on endpoints since this can also be a path for web services,
+	// e.g. /foo/* would include /foo/bar. We also want to check for wildcards and the exact endpoint
+	validEndpoints := []string{"*", res.Endpoint}
+	if comps := strings.Split(res.Endpoint, "/"); len(comps) > 1 {
+		for i := 1; i < len(comps)+1; i++ {
+			wildcard := fmt.Sprintf("%v/*", strings.Join(comps[0:i], "/"))
+			validEndpoints = append(validEndpoints, wildcard)
+		}
+	}
+
+	// filter the rules to the ones which match the criteria above
+	filteredRules := make([]*Rule, 0)
+	for _, rule := range rules {
+		if !include(validTypes, rule.Resource.Type) {
+			continue
+		}
+		if !include(validNames, rule.Resource.Name) {
+			continue
+		}
+		if !include(validEndpoints, rule.Resource.Endpoint) {
+			continue
+		}
+		filteredRules = append(filteredRules, rule)
+	}
+
+	// sort the filtered rules by priority, highest to lowest
+	sort.SliceStable(filteredRules, func(i, j int) bool {
+		return filteredRules[i].Priority > filteredRules[j].Priority
+	})
+
+	// loop through the rules and check for a rule which applies to this account
+	for _, rule := range filteredRules {
+		// a blank scope indicates the rule applies to everyone, even nil accounts
+		if rule.Scope == ScopePublic && rule.Access == AccessDenied {
+			return ErrForbidden
+		} else if rule.Scope == ScopePublic && rule.Access == AccessGranted {
+			return nil
+		}
+
+		// all further checks require an account
+		if acc == nil {
+			continue
+		}
+
+		// this rule applies to any account
+		if rule.Scope == ScopeAccount && rule.Access == AccessDenied {
+			return ErrForbidden
+		} else if rule.Scope == ScopeAccount && rule.Access == AccessGranted {
+			return nil
+		}
+
+		// if the account has the necessary scope
+		if include(acc.Scopes, rule.Scope) && rule.Access == AccessDenied {
+			return ErrForbidden
+		} else if include(acc.Scopes, rule.Scope) && rule.Access == AccessGranted {
+			return nil
+		}
+	}
+
+	// if no rules matched then return forbidden
+	return ErrForbidden
+}
+
+// include is a helper function which checks to see if the slice contains the value. includes is
+// not case sensitive.
+func include(slice []string, val string) bool {
+	for _, s := range slice {
+		if strings.EqualFold(s, val) {
+			return true
+		}
+	}
+	return false
+}

auth/rules_test.go

@@ -0,0 +1,288 @@
+package auth
+
+import (
+	"testing"
+)
+
+func TestVerify(t *testing.T) {
+	srvResource := &Resource{
+		Type:     "service",
+		Name:     "go.micro.service.foo",
+		Endpoint: "Foo.Bar",
+	}
+
+	webResource := &Resource{
+		Type:     "service",
+		Name:     "go.micro.web.foo",
+		Endpoint: "/foo/bar",
+	}
+
+	catchallResource := &Resource{
+		Type:     "*",
+		Name:     "*",
+		Endpoint: "*",
+	}
+
+	tt := []struct {
+		Name     string
+		Rules    []*Rule
+		Account  *Account
+		Resource *Resource
+		Error    error
+	}{
+		{
+			Name:     "NoRules",
+			Rules:    []*Rule{},
+			Account:  nil,
+			Resource: srvResource,
+			Error:    ErrForbidden,
+		},
+		{
+			Name:     "CatchallPublicAccount",
+			Account:  &Account{},
+			Resource: srvResource,
+			Rules: []*Rule{
+				{
+					Scope:    "",
+					Resource: catchallResource,
+				},
+			},
+		},
+		{
+			Name:     "CatchallPublicNoAccount",
+			Resource: srvResource,
+			Rules: []*Rule{
+				{
+					Scope:    "",
+					Resource: catchallResource,
+				},
+			},
+		},
+		{
+			Name:     "CatchallPrivateAccount",
+			Account:  &Account{},
+			Resource: srvResource,
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+				},
+			},
+		},
+		{
+			Name:     "CatchallPrivateNoAccount",
+			Resource: srvResource,
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "CatchallServiceRuleMatch",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     srvResource.Type,
+						Name:     srvResource.Name,
+						Endpoint: "*",
+					},
+				},
+			},
+		},
+		{
+			Name:     "CatchallServiceRuleNoMatch",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     srvResource.Type,
+						Name:     "wrongname",
+						Endpoint: "*",
+					},
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "ExactRuleValidScope",
+			Resource: srvResource,
+			Account: &Account{
+				Scopes: []string{"neededscope"},
+			},
+			Rules: []*Rule{
+				{
+					Scope:    "neededscope",
+					Resource: srvResource,
+				},
+			},
+		},
+		{
+			Name:     "ExactRuleInvalidScope",
+			Resource: srvResource,
+			Account: &Account{
+				Scopes: []string{"neededscope"},
+			},
+			Rules: []*Rule{
+				{
+					Scope:    "invalidscope",
+					Resource: srvResource,
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "CatchallDenyWithAccount",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessDenied,
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "CatchallDenyWithNoAccount",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessDenied,
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "RulePriorityGrantFirst",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessGranted,
+					Priority: 1,
+				},
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessDenied,
+					Priority: 0,
+				},
+			},
+		},
+		{
+			Name:     "RulePriorityDenyFirst",
+			Resource: srvResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessGranted,
+					Priority: 0,
+				},
+				{
+					Scope:    "*",
+					Resource: catchallResource,
+					Access:   AccessDenied,
+					Priority: 1,
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "WebExactEndpointValid",
+			Resource: webResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope:    "*",
+					Resource: webResource,
+				},
+			},
+		},
+		{
+			Name:     "WebExactEndpointInalid",
+			Resource: webResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     webResource.Type,
+						Name:     webResource.Name,
+						Endpoint: "invalidendpoint",
+					},
+				},
+			},
+			Error: ErrForbidden,
+		},
+		{
+			Name:     "WebWildcardEndpoint",
+			Resource: webResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     webResource.Type,
+						Name:     webResource.Name,
+						Endpoint: "*",
+					},
+				},
+			},
+		},
+		{
+			Name:     "WebWildcardPathEndpointValid",
+			Resource: webResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     webResource.Type,
+						Name:     webResource.Name,
+						Endpoint: "/foo/*",
+					},
+				},
+			},
+		},
+		{
+			Name:     "WebWildcardPathEndpointInvalid",
+			Resource: webResource,
+			Account:  &Account{},
+			Rules: []*Rule{
+				{
+					Scope: "*",
+					Resource: &Resource{
+						Type:     webResource.Type,
+						Name:     webResource.Name,
+						Endpoint: "/bar/*",
+					},
+				},
+			},
+			Error: ErrForbidden,
+		},
+	}
+
+	for _, tc := range tt {
+		t.Run(tc.Name, func(t *testing.T) {
+			if err := VerifyAccess(tc.Rules, tc.Account, tc.Resource); err != tc.Error {
+				t.Errorf("Expected %v but got %v", tc.Error, err)
+			}
+		})
+	}
+}

auth/service/proto/auth.pb.go

@@ -1,468 +0,0 @@
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// source: micro/go-micro/auth/service/proto/auth.proto
-
-package go_micro_auth
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-type Account struct {
-	Id                   string            `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	Token                string            `protobuf:"bytes,2,opt,name=token,proto3" json:"token,omitempty"`
-	Created              int64             `protobuf:"varint,3,opt,name=created,proto3" json:"created,omitempty"`
-	Expiry               int64             `protobuf:"varint,4,opt,name=expiry,proto3" json:"expiry,omitempty"`
-	Roles                []*Role           `protobuf:"bytes,5,rep,name=roles,proto3" json:"roles,omitempty"`
-	Metadata             map[string]string `protobuf:"bytes,6,rep,name=metadata,proto3" json:"metadata,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	XXX_NoUnkeyedLiteral struct{}          `json:"-"`
-	XXX_unrecognized     []byte            `json:"-"`
-	XXX_sizecache        int32             `json:"-"`
-}
-
-func (m *Account) Reset()         { *m = Account{} }
-func (m *Account) String() string { return proto.CompactTextString(m) }
-func (*Account) ProtoMessage()    {}
-func (*Account) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{0}
-}
-
-func (m *Account) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Account.Unmarshal(m, b)
-}
-func (m *Account) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Account.Marshal(b, m, deterministic)
-}
-func (m *Account) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Account.Merge(m, src)
-}
-func (m *Account) XXX_Size() int {
-	return xxx_messageInfo_Account.Size(m)
-}
-func (m *Account) XXX_DiscardUnknown() {
-	xxx_messageInfo_Account.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Account proto.InternalMessageInfo
-
-func (m *Account) GetId() string {
-	if m != nil {
-		return m.Id
-	}
-	return ""
-}
-
-func (m *Account) GetToken() string {
-	if m != nil {
-		return m.Token
-	}
-	return ""
-}
-
-func (m *Account) GetCreated() int64 {
-	if m != nil {
-		return m.Created
-	}
-	return 0
-}
-
-func (m *Account) GetExpiry() int64 {
-	if m != nil {
-		return m.Expiry
-	}
-	return 0
-}
-
-func (m *Account) GetRoles() []*Role {
-	if m != nil {
-		return m.Roles
-	}
-	return nil
-}
-
-func (m *Account) GetMetadata() map[string]string {
-	if m != nil {
-		return m.Metadata
-	}
-	return nil
-}
-
-type Role struct {
-	Name                 string    `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Resource             *Resource `protobuf:"bytes,2,opt,name=resource,proto3" json:"resource,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
-	XXX_unrecognized     []byte    `json:"-"`
-	XXX_sizecache        int32     `json:"-"`
-}
-
-func (m *Role) Reset()         { *m = Role{} }
-func (m *Role) String() string { return proto.CompactTextString(m) }
-func (*Role) ProtoMessage()    {}
-func (*Role) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{1}
-}
-
-func (m *Role) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Role.Unmarshal(m, b)
-}
-func (m *Role) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Role.Marshal(b, m, deterministic)
-}
-func (m *Role) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Role.Merge(m, src)
-}
-func (m *Role) XXX_Size() int {
-	return xxx_messageInfo_Role.Size(m)
-}
-func (m *Role) XXX_DiscardUnknown() {
-	xxx_messageInfo_Role.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Role proto.InternalMessageInfo
-
-func (m *Role) GetName() string {
-	if m != nil {
-		return m.Name
-	}
-	return ""
-}
-
-func (m *Role) GetResource() *Resource {
-	if m != nil {
-		return m.Resource
-	}
-	return nil
-}
-
-type Resource struct {
-	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Type                 string   `protobuf:"bytes,2,opt,name=type,proto3" json:"type,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *Resource) Reset()         { *m = Resource{} }
-func (m *Resource) String() string { return proto.CompactTextString(m) }
-func (*Resource) ProtoMessage()    {}
-func (*Resource) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{2}
-}
-
-func (m *Resource) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Resource.Unmarshal(m, b)
-}
-func (m *Resource) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Resource.Marshal(b, m, deterministic)
-}
-func (m *Resource) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Resource.Merge(m, src)
-}
-func (m *Resource) XXX_Size() int {
-	return xxx_messageInfo_Resource.Size(m)
-}
-func (m *Resource) XXX_DiscardUnknown() {
-	xxx_messageInfo_Resource.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Resource proto.InternalMessageInfo
-
-func (m *Resource) GetName() string {
-	if m != nil {
-		return m.Name
-	}
-	return ""
-}
-
-func (m *Resource) GetType() string {
-	if m != nil {
-		return m.Type
-	}
-	return ""
-}
-
-type GenerateRequest struct {
-	Account              *Account `protobuf:"bytes,1,opt,name=account,proto3" json:"account,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *GenerateRequest) Reset()         { *m = GenerateRequest{} }
-func (m *GenerateRequest) String() string { return proto.CompactTextString(m) }
-func (*GenerateRequest) ProtoMessage()    {}
-func (*GenerateRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{3}
-}
-
-func (m *GenerateRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_GenerateRequest.Unmarshal(m, b)
-}
-func (m *GenerateRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_GenerateRequest.Marshal(b, m, deterministic)
-}
-func (m *GenerateRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GenerateRequest.Merge(m, src)
-}
-func (m *GenerateRequest) XXX_Size() int {
-	return xxx_messageInfo_GenerateRequest.Size(m)
-}
-func (m *GenerateRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_GenerateRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_GenerateRequest proto.InternalMessageInfo
-
-func (m *GenerateRequest) GetAccount() *Account {
-	if m != nil {
-		return m.Account
-	}
-	return nil
-}
-
-type GenerateResponse struct {
-	Account              *Account `protobuf:"bytes,1,opt,name=account,proto3" json:"account,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *GenerateResponse) Reset()         { *m = GenerateResponse{} }
-func (m *GenerateResponse) String() string { return proto.CompactTextString(m) }
-func (*GenerateResponse) ProtoMessage()    {}
-func (*GenerateResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{4}
-}
-
-func (m *GenerateResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_GenerateResponse.Unmarshal(m, b)
-}
-func (m *GenerateResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_GenerateResponse.Marshal(b, m, deterministic)
-}
-func (m *GenerateResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_GenerateResponse.Merge(m, src)
-}
-func (m *GenerateResponse) XXX_Size() int {
-	return xxx_messageInfo_GenerateResponse.Size(m)
-}
-func (m *GenerateResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_GenerateResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_GenerateResponse proto.InternalMessageInfo
-
-func (m *GenerateResponse) GetAccount() *Account {
-	if m != nil {
-		return m.Account
-	}
-	return nil
-}
-
-type VerifyRequest struct {
-	Token                string   `protobuf:"bytes,1,opt,name=token,proto3" json:"token,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *VerifyRequest) Reset()         { *m = VerifyRequest{} }
-func (m *VerifyRequest) String() string { return proto.CompactTextString(m) }
-func (*VerifyRequest) ProtoMessage()    {}
-func (*VerifyRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{5}
-}
-
-func (m *VerifyRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_VerifyRequest.Unmarshal(m, b)
-}
-func (m *VerifyRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_VerifyRequest.Marshal(b, m, deterministic)
-}
-func (m *VerifyRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VerifyRequest.Merge(m, src)
-}
-func (m *VerifyRequest) XXX_Size() int {
-	return xxx_messageInfo_VerifyRequest.Size(m)
-}
-func (m *VerifyRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_VerifyRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VerifyRequest proto.InternalMessageInfo
-
-func (m *VerifyRequest) GetToken() string {
-	if m != nil {
-		return m.Token
-	}
-	return ""
-}
-
-type VerifyResponse struct {
-	Account              *Account `protobuf:"bytes,1,opt,name=account,proto3" json:"account,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *VerifyResponse) Reset()         { *m = VerifyResponse{} }
-func (m *VerifyResponse) String() string { return proto.CompactTextString(m) }
-func (*VerifyResponse) ProtoMessage()    {}
-func (*VerifyResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{6}
-}
-
-func (m *VerifyResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_VerifyResponse.Unmarshal(m, b)
-}
-func (m *VerifyResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_VerifyResponse.Marshal(b, m, deterministic)
-}
-func (m *VerifyResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_VerifyResponse.Merge(m, src)
-}
-func (m *VerifyResponse) XXX_Size() int {
-	return xxx_messageInfo_VerifyResponse.Size(m)
-}
-func (m *VerifyResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_VerifyResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_VerifyResponse proto.InternalMessageInfo
-
-func (m *VerifyResponse) GetAccount() *Account {
-	if m != nil {
-		return m.Account
-	}
-	return nil
-}
-
-type RevokeRequest struct {
-	Token                string   `protobuf:"bytes,1,opt,name=token,proto3" json:"token,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *RevokeRequest) Reset()         { *m = RevokeRequest{} }
-func (m *RevokeRequest) String() string { return proto.CompactTextString(m) }
-func (*RevokeRequest) ProtoMessage()    {}
-func (*RevokeRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{7}
-}
-
-func (m *RevokeRequest) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_RevokeRequest.Unmarshal(m, b)
-}
-func (m *RevokeRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_RevokeRequest.Marshal(b, m, deterministic)
-}
-func (m *RevokeRequest) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RevokeRequest.Merge(m, src)
-}
-func (m *RevokeRequest) XXX_Size() int {
-	return xxx_messageInfo_RevokeRequest.Size(m)
-}
-func (m *RevokeRequest) XXX_DiscardUnknown() {
-	xxx_messageInfo_RevokeRequest.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_RevokeRequest proto.InternalMessageInfo
-
-func (m *RevokeRequest) GetToken() string {
-	if m != nil {
-		return m.Token
-	}
-	return ""
-}
-
-type RevokeResponse struct {
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *RevokeResponse) Reset()         { *m = RevokeResponse{} }
-func (m *RevokeResponse) String() string { return proto.CompactTextString(m) }
-func (*RevokeResponse) ProtoMessage()    {}
-func (*RevokeResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_de609d4872dacc78, []int{8}
-}
-
-func (m *RevokeResponse) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_RevokeResponse.Unmarshal(m, b)
-}
-func (m *RevokeResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_RevokeResponse.Marshal(b, m, deterministic)
-}
-func (m *RevokeResponse) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_RevokeResponse.Merge(m, src)
-}
-func (m *RevokeResponse) XXX_Size() int {
-	return xxx_messageInfo_RevokeResponse.Size(m)
-}
-func (m *RevokeResponse) XXX_DiscardUnknown() {
-	xxx_messageInfo_RevokeResponse.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_RevokeResponse proto.InternalMessageInfo
-
-func init() {
-	proto.RegisterType((*Account)(nil), "go.micro.auth.Account")
-	proto.RegisterMapType((map[string]string)(nil), "go.micro.auth.Account.MetadataEntry")
-	proto.RegisterType((*Role)(nil), "go.micro.auth.Role")
-	proto.RegisterType((*Resource)(nil), "go.micro.auth.Resource")
-	proto.RegisterType((*GenerateRequest)(nil), "go.micro.auth.GenerateRequest")
-	proto.RegisterType((*GenerateResponse)(nil), "go.micro.auth.GenerateResponse")
-	proto.RegisterType((*VerifyRequest)(nil), "go.micro.auth.VerifyRequest")
-	proto.RegisterType((*VerifyResponse)(nil), "go.micro.auth.VerifyResponse")
-	proto.RegisterType((*RevokeRequest)(nil), "go.micro.auth.RevokeRequest")
-	proto.RegisterType((*RevokeResponse)(nil), "go.micro.auth.RevokeResponse")
-}
-
-func init() {
-	proto.RegisterFile("micro/go-micro/auth/service/proto/auth.proto", fileDescriptor_de609d4872dacc78)
-}
-
-var fileDescriptor_de609d4872dacc78 = []byte{
-	// 432 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x53, 0x4b, 0x6f, 0xd3, 0x40,
-	0x10, 0xae, 0x1d, 0xe7, 0xc1, 0x44, 0x09, 0xd1, 0x80, 0x8a, 0x15, 0xf1, 0x88, 0x56, 0x20, 0x05,
-	0x09, 0x1c, 0xe4, 0x5e, 0x10, 0x5c, 0x28, 0x0f, 0xf5, 0x54, 0x21, 0xed, 0x81, 0xfb, 0xe2, 0x0c,
-	0xad, 0x95, 0xc4, 0x6b, 0xd6, 0xeb, 0x08, 0xff, 0x06, 0x7e, 0x28, 0x7f, 0x03, 0x79, 0xd7, 0x1b,
-	0x6a, 0xb7, 0xe5, 0x00, 0xb7, 0x79, 0x7c, 0xf3, 0xcd, 0xf7, 0x8d, 0x76, 0xe1, 0xc5, 0x2e, 0x4d,
-	0x94, 0x5c, 0x5d, 0xc8, 0x97, 0x36, 0x10, 0xa5, 0xbe, 0x5c, 0x15, 0xa4, 0xf6, 0x69, 0x42, 0xab,
-	0x5c, 0x49, 0x6d, 0x4b, 0x91, 0x09, 0x71, 0x72, 0x21, 0x23, 0x83, 0x8b, 0xea, 0x22, 0xfb, 0xe9,
-	0xc3, 0xf0, 0x34, 0x49, 0x64, 0x99, 0x69, 0x9c, 0x82, 0x9f, 0xae, 0x43, 0x6f, 0xe1, 0x2d, 0xef,
-	0x70, 0x3f, 0x5d, 0xe3, 0x7d, 0xe8, 0x6b, 0xb9, 0xa1, 0x2c, 0xf4, 0x4d, 0xc9, 0x26, 0x18, 0xc2,
-	0x30, 0x51, 0x24, 0x34, 0xad, 0xc3, 0xde, 0xc2, 0x5b, 0xf6, 0xb8, 0x4b, 0xf1, 0x18, 0x06, 0xf4,
-	0x23, 0x4f, 0x55, 0x15, 0x06, 0xa6, 0xd1, 0x64, 0xf8, 0x1c, 0xfa, 0x4a, 0x6e, 0xa9, 0x08, 0xfb,
-	0x8b, 0xde, 0x72, 0x1c, 0xdf, 0x8b, 0x5a, 0x12, 0x22, 0x2e, 0xb7, 0xc4, 0x2d, 0x02, 0xdf, 0xc1,
-	0x68, 0x47, 0x5a, 0xac, 0x85, 0x16, 0xe1, 0xc0, 0xa0, 0x9f, 0x76, 0xd0, 0x8d, 0xd8, 0xe8, 0xbc,
-	0x81, 0x7d, 0xca, 0xb4, 0xaa, 0xf8, 0x61, 0x6a, 0xfe, 0x16, 0x26, 0xad, 0x16, 0xce, 0xa0, 0xb7,
-	0xa1, 0xaa, 0xb1, 0x55, 0x87, 0xb5, 0xaf, 0xbd, 0xd8, 0x96, 0xe4, 0x7c, 0x99, 0xe4, 0x8d, 0xff,
-	0xda, 0x63, 0x9f, 0x21, 0xa8, 0xd5, 0x20, 0x42, 0x90, 0x89, 0x1d, 0x35, 0x43, 0x26, 0xc6, 0x13,
-	0x18, 0x29, 0x2a, 0x64, 0xa9, 0x12, 0x3b, 0x38, 0x8e, 0x1f, 0x74, 0x8d, 0x34, 0x6d, 0x7e, 0x00,
-	0xb2, 0x18, 0x46, 0xae, 0x7a, 0x23, 0x29, 0x42, 0xa0, 0xab, 0xdc, 0x29, 0x31, 0x31, 0xfb, 0x00,
-	0x77, 0xcf, 0x28, 0x23, 0x25, 0x34, 0x71, 0xfa, 0x5e, 0x52, 0xa1, 0xf1, 0x15, 0x0c, 0x85, 0xf5,
-	0x6d, 0xa6, 0xc7, 0xf1, 0xf1, 0xcd, 0x57, 0xe1, 0x0e, 0xc6, 0x3e, 0xc2, 0xec, 0x0f, 0x49, 0x91,
-	0xcb, 0xac, 0xa0, 0x7f, 0x60, 0x79, 0x06, 0x93, 0x2f, 0xa4, 0xd2, 0x6f, 0x95, 0x13, 0x72, 0x78,
-	0x12, 0xde, 0x95, 0x27, 0xc1, 0xde, 0xc3, 0xd4, 0xc1, 0xfe, 0x67, 0x15, 0xa7, 0xbd, 0xdc, 0xd0,
-	0xdf, 0x57, 0xcd, 0x60, 0xea, 0x60, 0x76, 0x55, 0xfc, 0xcb, 0x83, 0xe0, 0xb4, 0xd4, 0x97, 0x78,
-	0x0e, 0x23, 0x67, 0x19, 0x1f, 0x77, 0xd6, 0x75, 0x0e, 0x3a, 0x7f, 0x72, 0x6b, 0xdf, 0xb2, 0xb2,
-	0x23, 0x3c, 0x83, 0x81, 0x35, 0x85, 0x0f, 0x3b, 0xe0, 0xd6, 0x49, 0xe6, 0x8f, 0x6e, 0xe9, 0x5e,
-	0x25, 0xb2, 0x92, 0xaf, 0x11, 0xb5, 0x0c, 0x5f, 0x23, 0x6a, 0xfb, 0x64, 0x47, 0x5f, 0x07, 0xe6,
-	0x07, 0x9f, 0xfc, 0x0e, 0x00, 0x00, 0xff, 0xff, 0xf0, 0x34, 0xce, 0x17, 0xf1, 0x03, 0x00, 0x00,
-}

auth/service/proto/auth.pb.micro.go

@@ -1,119 +0,0 @@
-// Code generated by protoc-gen-micro. DO NOT EDIT.
-// source: micro/go-micro/auth/service/proto/auth.proto
-
-package go_micro_auth
-
-import (
-	fmt "fmt"
-	proto "github.com/golang/protobuf/proto"
-	math "math"
-)
-
-import (
-	context "context"
-	client "github.com/micro/go-micro/v2/client"
-	server "github.com/micro/go-micro/v2/server"
-)
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ = proto.Marshal
-var _ = fmt.Errorf
-var _ = math.Inf
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the proto package it is being compiled against.
-// A compilation error at this line likely means your copy of the
-// proto package needs to be updated.
-const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ client.Option
-var _ server.Option
-
-// Client API for Auth service
-
-type AuthService interface {
-	Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error)
-	Verify(ctx context.Context, in *VerifyRequest, opts ...client.CallOption) (*VerifyResponse, error)
-	Revoke(ctx context.Context, in *RevokeRequest, opts ...client.CallOption) (*RevokeResponse, error)
-}
-
-type authService struct {
-	c    client.Client
-	name string
-}
-
-func NewAuthService(name string, c client.Client) AuthService {
-	return &authService{
-		c:    c,
-		name: name,
-	}
-}
-
-func (c *authService) Generate(ctx context.Context, in *GenerateRequest, opts ...client.CallOption) (*GenerateResponse, error) {
-	req := c.c.NewRequest(c.name, "Auth.Generate", in)
-	out := new(GenerateResponse)
-	err := c.c.Call(ctx, req, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *authService) Verify(ctx context.Context, in *VerifyRequest, opts ...client.CallOption) (*VerifyResponse, error) {
-	req := c.c.NewRequest(c.name, "Auth.Verify", in)
-	out := new(VerifyResponse)
-	err := c.c.Call(ctx, req, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *authService) Revoke(ctx context.Context, in *RevokeRequest, opts ...client.CallOption) (*RevokeResponse, error) {
-	req := c.c.NewRequest(c.name, "Auth.Revoke", in)
-	out := new(RevokeResponse)
-	err := c.c.Call(ctx, req, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// Server API for Auth service
-
-type AuthHandler interface {
-	Generate(context.Context, *GenerateRequest, *GenerateResponse) error
-	Verify(context.Context, *VerifyRequest, *VerifyResponse) error
-	Revoke(context.Context, *RevokeRequest, *RevokeResponse) error
-}
-
-func RegisterAuthHandler(s server.Server, hdlr AuthHandler, opts ...server.HandlerOption) error {
-	type auth interface {
-		Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error
-		Verify(ctx context.Context, in *VerifyRequest, out *VerifyResponse) error
-		Revoke(ctx context.Context, in *RevokeRequest, out *RevokeResponse) error
-	}
-	type Auth struct {
-		auth
-	}
-	h := &authHandler{hdlr}
-	return s.Handle(s.NewHandler(&Auth{h}, opts...))
-}
-
-type authHandler struct {
-	AuthHandler
-}
-
-func (h *authHandler) Generate(ctx context.Context, in *GenerateRequest, out *GenerateResponse) error {
-	return h.AuthHandler.Generate(ctx, in, out)
-}
-
-func (h *authHandler) Verify(ctx context.Context, in *VerifyRequest, out *VerifyResponse) error {
-	return h.AuthHandler.Verify(ctx, in, out)
-}
-
-func (h *authHandler) Revoke(ctx context.Context, in *RevokeRequest, out *RevokeResponse) error {
-	return h.AuthHandler.Revoke(ctx, in, out)
-}

auth/service/proto/auth.proto

@@ -1,50 +0,0 @@
-syntax = "proto3";
-
-package go.micro.auth;
-
-service Auth {
-    rpc Generate(GenerateRequest) returns (GenerateResponse) {};
-    rpc Verify(VerifyRequest) returns (VerifyResponse) {};
-    rpc Revoke(RevokeRequest)  returns (RevokeResponse) {};
-}
-
-message Account{
-	string id = 1;
-	string token = 2;
-	int64 created = 3;
-	int64 expiry = 4;
-	repeated Role roles = 5;
-	map<string, string> metadata = 6;
-}
-
-message Role {
-	string name = 1;
-	Resource resource = 2;
-}
-
-message Resource{
-	string name = 1;
-	string type = 2;
-}
-
-message GenerateRequest {
-	Account account = 1;
-}
-
-message GenerateResponse {
-	Account account = 1;
-}
-
-message VerifyRequest {
-	string token = 1;
-}
-
-message VerifyResponse {
-	Account account = 1;
-}
-
-message RevokeRequest {
-	string token = 1;
-}
-
-message RevokeResponse {}

auth/service/service.go

@@ -1,132 +0,0 @@
-package service
-
-import (
-	"context"
-	"time"
-
-	"github.com/micro/go-micro/v2/auth"
-	pb "github.com/micro/go-micro/v2/auth/service/proto"
-	"github.com/micro/go-micro/v2/client"
-)
-
-// NewAuth returns a new instance of the Auth service
-func NewAuth(opts ...auth.Option) auth.Auth {
-	svc := new(svc)
-	svc.Init(opts...)
-	return svc
-}
-
-// svc is the service implementation of the Auth interface
-type svc struct {
-	options auth.Options
-	auth    pb.AuthService
-}
-
-func (s *svc) String() string {
-	return "service"
-}
-
-func (s *svc) Init(opts ...auth.Option) error {
-	for _, o := range opts {
-		o(&s.options)
-	}
-
-	dc := client.DefaultClient
-	s.auth = pb.NewAuthService("go.micro.auth", dc)
-
-	return nil
-}
-
-func (s *svc) Options() auth.Options {
-	return s.options
-}
-
-// Generate a new auth account
-func (s *svc) Generate(id string, opts ...auth.GenerateOption) (*auth.Account, error) {
-	// construct the request
-	options := auth.NewGenerateOptions(opts...)
-	sa := &auth.Account{
-		Id:       id,
-		Roles:    options.Roles,
-		Metadata: options.Metadata,
-	}
-	req := &pb.GenerateRequest{Account: serializeAccount(sa)}
-
-	// execute the request
-	resp, err := s.auth.Generate(context.Background(), req)
-	if err != nil {
-		return nil, err
-	}
-
-	// format the response
-	return deserializeAccount(resp.Account), nil
-}
-
-// Revoke an authorization account
-func (s *svc) Revoke(token string) error {
-	// contruct the request
-	req := &pb.RevokeRequest{Token: token}
-
-	// execute the request
-	_, err := s.auth.Revoke(context.Background(), req)
-	return err
-}
-
-// Verify an account token
-func (s *svc) Verify(token string) (*auth.Account, error) {
-	resp, err := s.auth.Verify(context.Background(), &pb.VerifyRequest{Token: token})
-	if err != nil {
-		return nil, err
-	}
-
-	return deserializeAccount(resp.Account), nil
-}
-
-func serializeAccount(sa *auth.Account) *pb.Account {
-	roles := make([]*pb.Role, len(sa.Roles))
-	for i, r := range sa.Roles {
-		roles[i] = &pb.Role{
-			Name: r.Name,
-		}
-
-		if r.Resource != nil {
-			roles[i].Resource = &pb.Resource{
-				Name: r.Resource.Name,
-				Type: r.Resource.Type,
-			}
-		}
-	}
-
-	return &pb.Account{
-		Id:       sa.Id,
-		Roles:    roles,
-		Metadata: sa.Metadata,
-	}
-}
-
-func deserializeAccount(a *pb.Account) *auth.Account {
-	// format the response
-	sa := &auth.Account{
-		Id:       a.Id,
-		Token:    a.Token,
-		Created:  time.Unix(a.Created, 0),
-		Expiry:   time.Unix(a.Expiry, 0),
-		Metadata: a.Metadata,
-	}
-
-	sa.Roles = make([]*auth.Role, len(a.Roles))
-	for i, r := range a.Roles {
-		sa.Roles[i] = &auth.Role{
-			Name: r.Name,
-		}
-
-		if r.Resource != nil {
-			sa.Roles[i].Resource = &auth.Resource{
-				Name: r.Resource.Name,
-				Type: r.Resource.Type,
-			}
-		}
-	}
-
-	return sa
-}

auth/store/store.go

@@ -1,130 +0,0 @@
-package store
-
-import (
-	"bytes"
-	"encoding/gob"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/micro/go-micro/v2/auth"
-	"github.com/micro/go-micro/v2/errors"
-	"github.com/micro/go-micro/v2/store"
-)
-
-type Auth struct {
-	store store.Store
-	opts  auth.Options
-}
-
-// NewAuth returns an instance of store auth
-func NewAuth(opts ...auth.Option) auth.Auth {
-	var options auth.Options
-
-	for _, o := range opts {
-		o(&options)
-	}
-
-	return &Auth{
-		store: store.DefaultStore,
-		opts:  options,
-	}
-}
-
-// Init the auth package
-func (a *Auth) Init(opts ...auth.Option) error {
-	for _, o := range opts {
-		o(&a.opts)
-	}
-	return nil
-}
-
-// Options returns the options set
-func (a *Auth) Options() auth.Options {
-	return a.opts
-}
-
-// Generate a new auth Account
-func (a *Auth) Generate(id string, opts ...auth.GenerateOption) (*auth.Account, error) {
-	// generate the token
-	token, err := uuid.NewUUID()
-	if err != nil {
-		return nil, err
-	}
-
-	// parse the options
-	options := auth.NewGenerateOptions(opts...)
-
-	// construct the account
-	sa := auth.Account{
-		Id:       id,
-		Token:    token.String(),
-		Created:  time.Now(),
-		Metadata: options.Metadata,
-		Roles:    options.Roles,
-	}
-
-	// encode the data to bytes
-	// TODO: replace with json
-	buf := &bytes.Buffer{}
-	e := gob.NewEncoder(buf)
-	if err := e.Encode(sa); err != nil {
-		return nil, err
-	}
-
-	// write to the store
-	err = a.store.Write(&store.Record{
-		Key:   token.String(),
-		Value: buf.Bytes(),
-	})
-	if err != nil {
-		return nil, err
-	}
-
-	// return the result
-	return &sa, nil
-}
-
-// Revoke an authorization Account
-func (a *Auth) Revoke(token string) error {
-	records, err := a.store.Read(token, store.ReadSuffix())
-	if err != nil {
-		return err
-	}
-	if len(records) == 0 {
-		return errors.BadRequest("go.micro.auth", "token not found")
-	}
-
-	for _, r := range records {
-		if err := a.store.Delete(r.Key); err != nil {
-			return errors.InternalServerError("go.micro.auth", "error deleting from store")
-		}
-	}
-
-	return nil
-}
-
-// Verify an account token
-func (a *Auth) Verify(token string) (*auth.Account, error) {
-	// lookup the record by token
-	records, err := a.store.Read(token, store.ReadSuffix())
-	if err == store.ErrNotFound || len(records) == 0 {
-		return nil, errors.Unauthorized("go.micro.auth", "invalid token")
-	} else if err != nil {
-		return nil, errors.InternalServerError("go.micro.auth", "error reading store")
-	}
-
-	// decode the result
-	// TODO: replace with json
-	b := bytes.NewBuffer(records[0].Value)
-	decoder := gob.NewDecoder(b)
-	var sa auth.Account
-	err = decoder.Decode(&sa)
-
-	// return the result
-	return &sa, err
-}
-
-// String returns the implementation
-func (a *Auth) String() string {
-	return "store"
-}

broker/broker.go

@@ -1,6 +1,10 @@
 // Package broker is an interface used for asynchronous messaging
 package broker
 
+var (
+	DefaultBroker Broker = newBroker()
+)
+
 // Broker is an interface used for asynchronous messaging.
 type Broker interface {
 	Init(...Option) error
@@ -14,15 +18,8 @@ type Broker interface {
 }
 
 // Handler is used to process messages via a subscription of a topic.
-// The handler is passed a publication interface which contains the
-// message and optional Ack method to acknowledge receipt of the message.
 type Handler func(Event) error
 
-type Message struct {
-	Header map[string]string
-	Body   []byte
-}
-
 // Event is given to a subscription handler for processing
 type Event interface {
 	Topic() string
@@ -31,37 +28,16 @@ type Event interface {
 	Error() error
 }
 
+// Message is used to transfer data
+type Message struct {
+	Header map[string]string
+	Body   []byte
+	Error  error
+}
+
 // Subscriber is a convenience return type for the Subscribe method
 type Subscriber interface {
 	Options() SubscribeOptions
 	Topic() string
 	Unsubscribe() error
 }
-
-var (
-	DefaultBroker Broker = NewBroker()
-)
-
-func Init(opts ...Option) error {
-	return DefaultBroker.Init(opts...)
-}
-
-func Connect() error {
-	return DefaultBroker.Connect()
-}
-
-func Disconnect() error {
-	return DefaultBroker.Disconnect()
-}
-
-func Publish(topic string, msg *Message, opts ...PublishOption) error {
-	return DefaultBroker.Publish(topic, msg, opts...)
-}
-
-func Subscribe(topic string, handler Handler, opts ...SubscribeOption) (Subscriber, error) {
-	return DefaultBroker.Subscribe(topic, handler, opts...)
-}
-
-func String() string {
-	return DefaultBroker.String()
-}

broker/default.go

@@ -1,504 +0,0 @@
-package broker
-
-import (
-	"context"
-	"errors"
-	"net"
-	"net/url"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/micro/go-micro/v2/codec/json"
-	"github.com/micro/go-micro/v2/logger"
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/util/addr"
-	"github.com/nats-io/nats-server/v2/server"
-	nats "github.com/nats-io/nats.go"
-)
-
-type natsBroker struct {
-	sync.Once
-	sync.RWMutex
-
-	// indicate if we're connected
-	connected bool
-
-	// address to bind routes to
-	addrs []string
-	// servers for the client
-	servers []string
-
-	// client connection and nats opts
-	conn  *nats.Conn
-	opts  Options
-	nopts nats.Options
-
-	// should we drain the connection
-	drain   bool
-	closeCh chan (error)
-
-	// embedded server
-	server *server.Server
-	// configure to use local server
-	local bool
-	// server exit channel
-	exit chan bool
-}
-
-type subscriber struct {
-	s    *nats.Subscription
-	opts SubscribeOptions
-}
-
-type publication struct {
-	t   string
-	err error
-	m   *Message
-}
-
-func (p *publication) Topic() string {
-	return p.t
-}
-
-func (p *publication) Message() *Message {
-	return p.m
-}
-
-func (p *publication) Ack() error {
-	// nats does not support acking
-	return nil
-}
-
-func (p *publication) Error() error {
-	return p.err
-}
-
-func (s *subscriber) Options() SubscribeOptions {
-	return s.opts
-}
-
-func (s *subscriber) Topic() string {
-	return s.s.Subject
-}
-
-func (s *subscriber) Unsubscribe() error {
-	return s.s.Unsubscribe()
-}
-
-func (n *natsBroker) Address() string {
-	n.RLock()
-	defer n.RUnlock()
-
-	if n.server != nil {
-		return n.server.ClusterAddr().String()
-	}
-
-	if n.conn != nil && n.conn.IsConnected() {
-		return n.conn.ConnectedUrl()
-	}
-
-	if len(n.addrs) > 0 {
-		return n.addrs[0]
-	}
-
-	return "127.0.0.1:-1"
-}
-
-func (n *natsBroker) setAddrs(addrs []string) []string {
-	//nolint:prealloc
-	var cAddrs []string
-	for _, addr := range addrs {
-		if len(addr) == 0 {
-			continue
-		}
-		if !strings.HasPrefix(addr, "nats://") {
-			addr = "nats://" + addr
-		}
-		cAddrs = append(cAddrs, addr)
-	}
-	// if there's no address and we weren't told to
-	// embed a local server then use the default url
-	if len(cAddrs) == 0 && !n.local {
-		cAddrs = []string{nats.DefaultURL}
-	}
-	return cAddrs
-}
-
-// serve stats a local nats server if needed
-func (n *natsBroker) serve(exit chan bool) error {
-	// local server address
-	host := "127.0.0.1"
-	port := -1
-
-	// cluster address
-	caddr := "0.0.0.0"
-	cport := -1
-
-	// with no address we just default it
-	// this is a local client address
-	if len(n.addrs) > 0 {
-		address := n.addrs[0]
-		if strings.HasPrefix(address, "nats://") {
-			address = strings.TrimPrefix(address, "nats://")
-		}
-
-		// parse out the address
-		h, p, err := net.SplitHostPort(address)
-		if err == nil {
-			caddr = h
-			cport, _ = strconv.Atoi(p)
-		}
-	}
-
-	// 1. create new server
-	// 2. register the server
-	// 3. connect to other servers
-
-	// set cluster opts
-	cOpts := server.ClusterOpts{
-		Host: caddr,
-		Port: cport,
-	}
-
-	// get the routes for other nodes
-	var routes []*url.URL
-
-	// get existing nats servers to connect to
-	services, err := n.opts.Registry.GetService("go.micro.nats.broker")
-	if err == nil {
-		for _, service := range services {
-			for _, node := range service.Nodes {
-				u, err := url.Parse("nats://" + node.Address)
-				if err != nil {
-					if logger.V(logger.InfoLevel, logger.DefaultLogger) {
-						logger.Info(err)
-					}
-					continue
-				}
-				// append to the cluster routes
-				routes = append(routes, u)
-			}
-		}
-	}
-
-	// try get existing server
-	s := n.server
-
-	if s != nil {
-		// stop the existing server
-		s.Shutdown()
-	}
-
-	s, err = server.NewServer(&server.Options{
-		// Specify the host
-		Host: host,
-		// Use a random port
-		Port: port,
-		// Set the cluster ops
-		Cluster: cOpts,
-		// Set the routes
-		Routes:         routes,
-		NoLog:          true,
-		NoSigs:         true,
-		MaxControlLine: 2048,
-		TLSConfig:      n.opts.TLSConfig,
-	})
-	if err != nil {
-		return err
-	}
-
-	// save the server
-	n.server = s
-
-	// start the server
-	go s.Start()
-
-	var ready bool
-
-	// wait till its ready for connections
-	for i := 0; i < 3; i++ {
-		if s.ReadyForConnections(time.Second) {
-			ready = true
-			break
-		}
-	}
-
-	if !ready {
-		return errors.New("server not ready")
-	}
-
-	// set the client address
-	n.servers = []string{s.ClientURL()}
-
-	go func() {
-		var advertise string
-
-		// parse out the address
-		_, port, err := net.SplitHostPort(s.ClusterAddr().String())
-		if err == nil {
-			addr, _ := addr.Extract("")
-			advertise = net.JoinHostPort(addr, port)
-		} else {
-			s.ClusterAddr().String()
-		}
-
-		// register the cluster address
-		for {
-			select {
-			case err := <-n.closeCh:
-				if err != nil {
-					if logger.V(logger.InfoLevel, logger.DefaultLogger) {
-						logger.Info(err)
-					}
-				}
-			case <-exit:
-				// deregister on exit
-				n.opts.Registry.Deregister(&registry.Service{
-					Name:    "go.micro.nats.broker",
-					Version: "v2",
-					Nodes: []*registry.Node{
-						{Id: s.ID(), Address: advertise},
-					},
-				})
-				s.Shutdown()
-				return
-			default:
-				// register the broker
-				n.opts.Registry.Register(&registry.Service{
-					Name:    "go.micro.nats.broker",
-					Version: "v2",
-					Nodes: []*registry.Node{
-						{Id: s.ID(), Address: advertise},
-					},
-				}, registry.RegisterTTL(time.Minute))
-				time.Sleep(time.Minute)
-			}
-		}
-	}()
-
-	return nil
-}
-
-func (n *natsBroker) Connect() error {
-	n.Lock()
-	defer n.Unlock()
-
-	if !n.connected {
-		// create exit chan
-		n.exit = make(chan bool)
-
-		// start the local server
-		if err := n.serve(n.exit); err != nil {
-			return err
-		}
-
-		// set to connected
-	}
-
-	status := nats.CLOSED
-	if n.conn != nil {
-		status = n.conn.Status()
-	}
-
-	switch status {
-	case nats.CONNECTED, nats.RECONNECTING, nats.CONNECTING:
-		return nil
-	default: // DISCONNECTED or CLOSED or DRAINING
-		opts := n.nopts
-		opts.DrainTimeout = 1 * time.Second
-		opts.AsyncErrorCB = n.onAsyncError
-		opts.DisconnectedErrCB = n.onDisconnectedError
-		opts.ClosedCB = n.onClose
-		opts.Servers = n.servers
-		opts.Secure = n.opts.Secure
-		opts.TLSConfig = n.opts.TLSConfig
-
-		// secure might not be set
-		if n.opts.TLSConfig != nil {
-			opts.Secure = true
-		}
-
-		c, err := opts.Connect()
-		if err != nil {
-			return err
-		}
-		n.conn = c
-
-		n.connected = true
-
-		return nil
-	}
-}
-
-func (n *natsBroker) Disconnect() error {
-	n.RLock()
-	defer n.RUnlock()
-
-	if !n.connected {
-		return nil
-	}
-
-	// drain the connection if specified
-	if n.drain {
-		n.conn.Drain()
-	}
-
-	// close the client connection
-	n.conn.Close()
-
-	// shutdown the local server
-	// and deregister
-	if n.server != nil {
-		select {
-		case <-n.exit:
-		default:
-			close(n.exit)
-		}
-	}
-
-	// set not connected
-	n.connected = false
-
-	return nil
-}
-
-func (n *natsBroker) Init(opts ...Option) error {
-	n.setOption(opts...)
-	return nil
-}
-
-func (n *natsBroker) Options() Options {
-	return n.opts
-}
-
-func (n *natsBroker) Publish(topic string, msg *Message, opts ...PublishOption) error {
-	b, err := n.opts.Codec.Marshal(msg)
-	if err != nil {
-		return err
-	}
-	n.RLock()
-	defer n.RUnlock()
-	return n.conn.Publish(topic, b)
-}
-
-func (n *natsBroker) Subscribe(topic string, handler Handler, opts ...SubscribeOption) (Subscriber, error) {
-	if n.conn == nil {
-		return nil, errors.New("not connected")
-	}
-
-	opt := SubscribeOptions{
-		AutoAck: true,
-		Context: context.Background(),
-	}
-
-	for _, o := range opts {
-		o(&opt)
-	}
-
-	fn := func(msg *nats.Msg) {
-		var m Message
-		pub := &publication{t: msg.Subject}
-		eh := n.opts.ErrorHandler
-		err := n.opts.Codec.Unmarshal(msg.Data, &m)
-		pub.err = err
-		pub.m = &m
-		if err != nil {
-			m.Body = msg.Data
-			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-				logger.Error(err)
-			}
-			if eh != nil {
-				eh(pub)
-			}
-			return
-		}
-		if err := handler(pub); err != nil {
-			pub.err = err
-			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-				logger.Error(err)
-			}
-			if eh != nil {
-				eh(pub)
-			}
-		}
-	}
-
-	var sub *nats.Subscription
-	var err error
-
-	n.RLock()
-	if len(opt.Queue) > 0 {
-		sub, err = n.conn.QueueSubscribe(topic, opt.Queue, fn)
-	} else {
-		sub, err = n.conn.Subscribe(topic, fn)
-	}
-	n.RUnlock()
-	if err != nil {
-		return nil, err
-	}
-	return &subscriber{s: sub, opts: opt}, nil
-}
-
-func (n *natsBroker) String() string {
-	return "eats"
-}
-
-func (n *natsBroker) setOption(opts ...Option) {
-	for _, o := range opts {
-		o(&n.opts)
-	}
-
-	n.Once.Do(func() {
-		n.nopts = nats.GetDefaultOptions()
-	})
-
-	// local embedded server
-	n.local = true
-	// set to drain
-	n.drain = true
-
-	if !n.opts.Secure {
-		n.opts.Secure = n.nopts.Secure
-	}
-
-	if n.opts.TLSConfig == nil {
-		n.opts.TLSConfig = n.nopts.TLSConfig
-	}
-
-	n.addrs = n.setAddrs(n.opts.Addrs)
-}
-
-func (n *natsBroker) onClose(conn *nats.Conn) {
-	n.closeCh <- nil
-}
-
-func (n *natsBroker) onDisconnectedError(conn *nats.Conn, err error) {
-	n.closeCh <- err
-}
-
-func (n *natsBroker) onAsyncError(conn *nats.Conn, sub *nats.Subscription, err error) {
-	// There are kinds of different async error nats might callback, but we are interested
-	// in ErrDrainTimeout only here.
-	if err == nats.ErrDrainTimeout {
-		n.closeCh <- err
-	}
-}
-
-func NewBroker(opts ...Option) Broker {
-	options := Options{
-		// Default codec
-		Codec:    json.Marshaler{},
-		Context:  context.Background(),
-		Registry: registry.DefaultRegistry,
-	}
-
-	n := &natsBroker{
-		opts:    options,
-		closeCh: make(chan error),
-	}
-	n.setOption(opts...)
-
-	return n
-}

broker/memory/memory.go

@@ -1,239 +0,0 @@
-// Package memory provides a memory broker
-package memory
-
-import (
-	"context"
-	"errors"
-	"math/rand"
-	"sync"
-	"time"
-
-	"github.com/google/uuid"
-	"github.com/micro/go-micro/v2/broker"
-	"github.com/micro/go-micro/v2/logger"
-	maddr "github.com/micro/go-micro/v2/util/addr"
-	mnet "github.com/micro/go-micro/v2/util/net"
-)
-
-type memoryBroker struct {
-	opts broker.Options
-
-	addr string
-	sync.RWMutex
-	connected   bool
-	Subscribers map[string][]*memorySubscriber
-}
-
-type memoryEvent struct {
-	opts    broker.Options
-	topic   string
-	err     error
-	message interface{}
-}
-
-type memorySubscriber struct {
-	id      string
-	topic   string
-	exit    chan bool
-	handler broker.Handler
-	opts    broker.SubscribeOptions
-}
-
-func (m *memoryBroker) Options() broker.Options {
-	return m.opts
-}
-
-func (m *memoryBroker) Address() string {
-	return m.addr
-}
-
-func (m *memoryBroker) Connect() error {
-	m.Lock()
-	defer m.Unlock()
-
-	if m.connected {
-		return nil
-	}
-
-	addr, err := maddr.Extract("::")
-	if err != nil {
-		return err
-	}
-	i := rand.Intn(20000)
-	// set addr with port
-	addr = mnet.HostPort(addr, 10000+i)
-
-	m.addr = addr
-	m.connected = true
-
-	return nil
-}
-
-func (m *memoryBroker) Disconnect() error {
-	m.Lock()
-	defer m.Unlock()
-
-	if !m.connected {
-		return nil
-	}
-
-	m.connected = false
-
-	return nil
-}
-
-func (m *memoryBroker) Init(opts ...broker.Option) error {
-	for _, o := range opts {
-		o(&m.opts)
-	}
-	return nil
-}
-
-func (m *memoryBroker) Publish(topic string, msg *broker.Message, opts ...broker.PublishOption) error {
-	m.RLock()
-	if !m.connected {
-		m.RUnlock()
-		return errors.New("not connected")
-	}
-
-	subs, ok := m.Subscribers[topic]
-	m.RUnlock()
-	if !ok {
-		return nil
-	}
-
-	var v interface{}
-	if m.opts.Codec != nil {
-		buf, err := m.opts.Codec.Marshal(msg)
-		if err != nil {
-			return err
-		}
-		v = buf
-	} else {
-		v = msg
-	}
-
-	p := &memoryEvent{
-		topic:   topic,
-		message: v,
-		opts:    m.opts,
-	}
-
-	for _, sub := range subs {
-		if err := sub.handler(p); err != nil {
-			p.err = err
-			if eh := m.opts.ErrorHandler; eh != nil {
-				eh(p)
-				continue
-			}
-			return err
-		}
-	}
-
-	return nil
-}
-
-func (m *memoryBroker) Subscribe(topic string, handler broker.Handler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {
-	m.RLock()
-	if !m.connected {
-		m.RUnlock()
-		return nil, errors.New("not connected")
-	}
-	m.RUnlock()
-
-	var options broker.SubscribeOptions
-	for _, o := range opts {
-		o(&options)
-	}
-
-	sub := &memorySubscriber{
-		exit:    make(chan bool, 1),
-		id:      uuid.New().String(),
-		topic:   topic,
-		handler: handler,
-		opts:    options,
-	}
-
-	m.Lock()
-	m.Subscribers[topic] = append(m.Subscribers[topic], sub)
-	m.Unlock()
-
-	go func() {
-		<-sub.exit
-		m.Lock()
-		var newSubscribers []*memorySubscriber
-		for _, sb := range m.Subscribers[topic] {
-			if sb.id == sub.id {
-				continue
-			}
-			newSubscribers = append(newSubscribers, sb)
-		}
-		m.Subscribers[topic] = newSubscribers
-		m.Unlock()
-	}()
-
-	return sub, nil
-}
-
-func (m *memoryBroker) String() string {
-	return "memory"
-}
-
-func (m *memoryEvent) Topic() string {
-	return m.topic
-}
-
-func (m *memoryEvent) Message() *broker.Message {
-	switch v := m.message.(type) {
-	case *broker.Message:
-		return v
-	case []byte:
-		msg := &broker.Message{}
-		if err := m.opts.Codec.Unmarshal(v, msg); err != nil {
-			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-				logger.Errorf("[memory]: failed to unmarshal: %v\n", err)
-			}
-			return nil
-		}
-		return msg
-	}
-
-	return nil
-}
-
-func (m *memoryEvent) Ack() error {
-	return nil
-}
-
-func (m *memoryEvent) Error() error {
-	return m.err
-}
-
-func (m *memorySubscriber) Options() broker.SubscribeOptions {
-	return m.opts
-}
-
-func (m *memorySubscriber) Topic() string {
-	return m.topic
-}
-
-func (m *memorySubscriber) Unsubscribe() error {
-	m.exit <- true
-	return nil
-}
-
-func NewBroker(opts ...broker.Option) broker.Broker {
-	options := broker.Options{
-		Context: context.Background(),
-	}
-
-	rand.Seed(time.Now().UnixNano())
-	for _, o := range opts {
-		o(&options)
-	}
-
-	return &memoryBroker{
-		opts:        options,
-		Subscribers: make(map[string][]*memorySubscriber),
-	}
-}

broker/memory/memory_test.go

@@ -1,50 +0,0 @@
-package memory
-
-import (
-	"fmt"
-	"testing"
-
-	"github.com/micro/go-micro/v2/broker"
-)
-
-func TestMemoryBroker(t *testing.T) {
-	b := NewBroker()
-
-	if err := b.Connect(); err != nil {
-		t.Fatalf("Unexpected connect error %v", err)
-	}
-
-	topic := "test"
-	count := 10
-
-	fn := func(p broker.Event) error {
-		return nil
-	}
-
-	sub, err := b.Subscribe(topic, fn)
-	if err != nil {
-		t.Fatalf("Unexpected error subscribing %v", err)
-	}
-
-	for i := 0; i < count; i++ {
-		message := &broker.Message{
-			Header: map[string]string{
-				"foo": "bar",
-				"id":  fmt.Sprintf("%d", i),
-			},
-			Body: []byte(`hello world`),
-		}
-
-		if err := b.Publish(topic, message); err != nil {
-			t.Fatalf("Unexpected error publishing %d", i)
-		}
-	}
-
-	if err := sub.Unsubscribe(); err != nil {
-		t.Fatalf("Unexpected error unsubscribing from %s: %v", topic, err)
-	}
-
-	if err := b.Disconnect(); err != nil {
-		t.Fatalf("Unexpected connect error %v", err)
-	}
-}

broker/nats/context.go

@@ -1,17 +0,0 @@
-package nats
-
-import (
-	"context"
-
-	"github.com/micro/go-micro/v2/broker"
-)
-
-// setBrokerOption returns a function to setup a context with given value
-func setBrokerOption(k, v interface{}) broker.Option {
-	return func(o *broker.Options) {
-		if o.Context == nil {
-			o.Context = context.Background()
-		}
-		o.Context = context.WithValue(o.Context, k, v)
-	}
-}

broker/nats/nats.go

@@ -1,504 +0,0 @@
-// Package nats provides a NATS broker
-package nats
-
-import (
-	"context"
-	"errors"
-	"net"
-	"net/url"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/micro/go-micro/v2/broker"
-	"github.com/micro/go-micro/v2/codec/json"
-	"github.com/micro/go-micro/v2/logger"
-	"github.com/micro/go-micro/v2/registry"
-	"github.com/micro/go-micro/v2/util/addr"
-	"github.com/nats-io/nats-server/v2/server"
-	nats "github.com/nats-io/nats.go"
-)
-
-type natsBroker struct {
-	sync.Once
-	sync.RWMutex
-
-	// indicate if we're connected
-	connected bool
-
-	addrs []string
-	conn  *nats.Conn
-	opts  broker.Options
-	nopts nats.Options
-
-	// should we drain the connection
-	drain   bool
-	closeCh chan (error)
-
-	// embedded server
-	server *server.Server
-	// configure to use local server
-	local bool
-	// server exit channel
-	exit chan bool
-}
-
-type subscriber struct {
-	s    *nats.Subscription
-	opts broker.SubscribeOptions
-}
-
-type publication struct {
-	t   string
-	err error
-	m   *broker.Message
-}
-
-func (p *publication) Topic() string {
-	return p.t
-}
-
-func (p *publication) Message() *broker.Message {
-	return p.m
-}
-
-func (p *publication) Ack() error {
-	// nats does not support acking
-	return nil
-}
-
-func (p *publication) Error() error {
-	return p.err
-}
-
-func (s *subscriber) Options() broker.SubscribeOptions {
-	return s.opts
-}
-
-func (s *subscriber) Topic() string {
-	return s.s.Subject
-}
-
-func (s *subscriber) Unsubscribe() error {
-	return s.s.Unsubscribe()
-}
-
-func (n *natsBroker) Address() string {
-	if n.conn != nil && n.conn.IsConnected() {
-		return n.conn.ConnectedUrl()
-	}
-
-	if len(n.addrs) > 0 {
-		return n.addrs[0]
-	}
-
-	return ""
-}
-
-func (n *natsBroker) setAddrs(addrs []string) []string {
-	//nolint:prealloc
-	var cAddrs []string
-	for _, addr := range addrs {
-		if len(addr) == 0 {
-			continue
-		}
-		if !strings.HasPrefix(addr, "nats://") {
-			addr = "nats://" + addr
-		}
-		cAddrs = append(cAddrs, addr)
-	}
-	// if there's no address and we weren't told to
-	// embed a local server then use the default url
-	if len(cAddrs) == 0 && !n.local {
-		cAddrs = []string{nats.DefaultURL}
-	}
-	return cAddrs
-}
-
-// serve stats a local nats server if needed
-func (n *natsBroker) serve(exit chan bool) error {
-	var host string
-	var port int
-	var local bool
-
-	// with no address we just default it
-	// this is a local client address
-	if len(n.addrs) == 0 {
-		// find an advertiseable ip
-		if h, err := addr.Extract(""); err != nil {
-			host = "127.0.0.1"
-		} else {
-			host = h
-		}
-
-		port = -1
-		local = true
-	} else {
-		address := n.addrs[0]
-		if strings.HasPrefix(address, "nats://") {
-			address = strings.TrimPrefix(address, "nats://")
-		}
-
-		// check if its a local address and only then embed
-		if addr.IsLocal(address) {
-			h, p, err := net.SplitHostPort(address)
-			if err == nil {
-				host = h
-				port, _ = strconv.Atoi(p)
-				local = true
-			}
-		}
-	}
-
-	// we only setup a server for local things
-	if !local {
-		return nil
-	}
-
-	// 1. create new server
-	// 2. register the server
-	// 3. connect to other servers
-	var cOpts server.ClusterOpts
-	var routes []*url.URL
-
-	// get existing nats servers to connect to
-	services, err := n.opts.Registry.GetService("go.micro.nats.broker")
-	if err == nil {
-		for _, service := range services {
-			for _, node := range service.Nodes {
-				u, err := url.Parse("nats://" + node.Address)
-				if err != nil {
-					if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-						logger.Error(err)
-					}
-					continue
-				}
-				// append to the cluster routes
-				routes = append(routes, u)
-			}
-		}
-	}
-
-	// try get existing server
-	s := n.server
-
-	// get a host address
-	caddr, err := addr.Extract("")
-	if err != nil {
-		caddr = "0.0.0.0"
-	}
-
-	// set cluster opts
-	cOpts = server.ClusterOpts{
-		Host: caddr,
-		Port: -1,
-	}
-
-	if s == nil {
-		var err error
-		s, err = server.NewServer(&server.Options{
-			// Specify the host
-			Host: host,
-			// Use a random port
-			Port: port,
-			// Set the cluster ops
-			Cluster: cOpts,
-			// Set the routes
-			Routes:         routes,
-			NoLog:          true,
-			NoSigs:         true,
-			MaxControlLine: 2048,
-			TLSConfig:      n.opts.TLSConfig,
-		})
-		if err != nil {
-			return err
-		}
-
-		// save the server
-		n.server = s
-	}
-
-	// start the server
-	go s.Start()
-
-	var ready bool
-
-	// wait till its ready for connections
-	for i := 0; i < 3; i++ {
-		if s.ReadyForConnections(time.Second) {
-			ready = true
-			break
-		}
-	}
-
-	if !ready {
-		return errors.New("server not ready")
-	}
-
-	// set the client address
-	n.addrs = []string{s.ClientURL()}
-
-	go func() {
-		// register the cluster address
-		for {
-			select {
-			case <-exit:
-				// deregister on exit
-				n.opts.Registry.Deregister(&registry.Service{
-					Name:    "go.micro.nats.broker",
-					Version: "v2",
-					Nodes: []*registry.Node{
-						{Id: s.ID(), Address: s.ClusterAddr().String()},
-					},
-				})
-				s.Shutdown()
-				return
-			default:
-				// register the broker
-				n.opts.Registry.Register(&registry.Service{
-					Name:    "go.micro.nats.broker",
-					Version: "v2",
-					Nodes: []*registry.Node{
-						{Id: s.ID(), Address: s.ClusterAddr().String()},
-					},
-				}, registry.RegisterTTL(time.Minute))
-				time.Sleep(time.Minute)
-			}
-		}
-	}()
-
-	return nil
-}
-
-func (n *natsBroker) Connect() error {
-	n.Lock()
-	defer n.Unlock()
-
-	if !n.connected {
-		// create exit chan
-		n.exit = make(chan bool)
-
-		// start embedded server if asked to
-		if n.local {
-			if err := n.serve(n.exit); err != nil {
-				return err
-			}
-		}
-
-		// set to connected
-		n.connected = true
-	}
-
-	status := nats.CLOSED
-	if n.conn != nil {
-		status = n.conn.Status()
-	}
-
-	switch status {
-	case nats.CONNECTED, nats.RECONNECTING, nats.CONNECTING:
-		return nil
-	default: // DISCONNECTED or CLOSED or DRAINING
-		opts := n.nopts
-		opts.Servers = n.addrs
-		opts.Secure = n.opts.Secure
-		opts.TLSConfig = n.opts.TLSConfig
-
-		// secure might not be set
-		if n.opts.TLSConfig != nil {
-			opts.Secure = true
-		}
-
-		c, err := opts.Connect()
-		if err != nil {
-			return err
-		}
-		n.conn = c
-		return nil
-	}
-}
-
-func (n *natsBroker) Disconnect() error {
-	n.RLock()
-	defer n.RUnlock()
-
-	// drain the connection if specified
-	if n.drain {
-		n.conn.Drain()
-		n.closeCh <- nil
-	}
-
-	// close the client connection
-	n.conn.Close()
-
-	// shutdown the local server
-	// and deregister
-	if n.server != nil {
-		select {
-		case <-n.exit:
-		default:
-			close(n.exit)
-		}
-	}
-
-	// set not connected
-	n.connected = false
-
-	return nil
-}
-
-func (n *natsBroker) Init(opts ...broker.Option) error {
-	n.setOption(opts...)
-	return nil
-}
-
-func (n *natsBroker) Options() broker.Options {
-	return n.opts
-}
-
-func (n *natsBroker) Publish(topic string, msg *broker.Message, opts ...broker.PublishOption) error {
-	b, err := n.opts.Codec.Marshal(msg)
-	if err != nil {
-		return err
-	}
-	n.RLock()
-	defer n.RUnlock()
-	return n.conn.Publish(topic, b)
-}
-
-func (n *natsBroker) Subscribe(topic string, handler broker.Handler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {
-	if n.conn == nil {
-		return nil, errors.New("not connected")
-	}
-
-	opt := broker.SubscribeOptions{
-		AutoAck: true,
-		Context: context.Background(),
-	}
-
-	for _, o := range opts {
-		o(&opt)
-	}
-
-	fn := func(msg *nats.Msg) {
-		var m broker.Message
-		pub := &publication{t: msg.Subject}
-		eh := n.opts.ErrorHandler
-		err := n.opts.Codec.Unmarshal(msg.Data, &m)
-		pub.err = err
-		pub.m = &m
-		if err != nil {
-			m.Body = msg.Data
-			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-				logger.Error(err)
-			}
-			if eh != nil {
-				eh(pub)
-			}
-			return
-		}
-		if err := handler(pub); err != nil {
-			pub.err = err
-			if logger.V(logger.ErrorLevel, logger.DefaultLogger) {
-				logger.Error(err)
-			}
-			if eh != nil {
-				eh(pub)
-			}
-		}
-	}
-
-	var sub *nats.Subscription
-	var err error
-
-	n.RLock()
-	if len(opt.Queue) > 0 {
-		sub, err = n.conn.QueueSubscribe(topic, opt.Queue, fn)
-	} else {
-		sub, err = n.conn.Subscribe(topic, fn)
-	}
-	n.RUnlock()
-	if err != nil {
-		return nil, err
-	}
-	return &subscriber{s: sub, opts: opt}, nil
-}
-
-func (n *natsBroker) String() string {
-	return "nats"
-}
-
-func (n *natsBroker) setOption(opts ...broker.Option) {
-	for _, o := range opts {
-		o(&n.opts)
-	}
-
-	n.Once.Do(func() {
-		n.nopts = nats.GetDefaultOptions()
-	})
-
-	if nopts, ok := n.opts.Context.Value(optionsKey{}).(nats.Options); ok {
-		n.nopts = nopts
-	}
-
-	local, ok := n.opts.Context.Value(localServerKey{}).(bool)
-	if ok {
-		n.local = local
-	}
-
-	// broker.Options have higher priority than nats.Options
-	// only if Addrs, Secure or TLSConfig were not set through a broker.Option
-	// we read them from nats.Option
-	if len(n.opts.Addrs) == 0 && !n.local {
-		n.opts.Addrs = n.nopts.Servers
-	}
-
-	if !n.opts.Secure {
-		n.opts.Secure = n.nopts.Secure
-	}
-
-	if n.opts.TLSConfig == nil {
-		n.opts.TLSConfig = n.nopts.TLSConfig
-	}
-	n.addrs = n.setAddrs(n.opts.Addrs)
-
-	if n.opts.Context.Value(drainConnectionKey{}) != nil {
-		n.drain = true
-		n.closeCh = make(chan error)
-		n.nopts.ClosedCB = n.onClose
-		n.nopts.AsyncErrorCB = n.onAsyncError
-		n.nopts.DisconnectedErrCB = n.onDisconnectedError
-	}
-}
-
-func (n *natsBroker) onClose(conn *nats.Conn) {
-	n.closeCh <- nil
-}
-
-func (n *natsBroker) onAsyncError(conn *nats.Conn, sub *nats.Subscription, err error) {
-	// There are kinds of different async error nats might callback, but we are interested
-	// in ErrDrainTimeout only here.
-	if err == nats.ErrDrainTimeout {
-		n.closeCh <- err
-	}
-}
-
-func (n *natsBroker) onDisconnectedError(conn *nats.Conn, err error) {
-	n.closeCh <- err
-}
-
-func NewBroker(opts ...broker.Option) broker.Broker {
-	options := broker.Options{
-		// Default codec
-		Codec:    json.Marshaler{},
-		Context:  context.Background(),
-		Registry: registry.DefaultRegistry,
-	}
-
-	n := &natsBroker{
-		opts: options,
-	}
-	n.setOption(opts...)
-
-	return n
-}

broker/nats/nats_test.go

@@ -1,98 +0,0 @@
-package nats
-
-import (
-	"fmt"
-	"testing"
-
-	"github.com/micro/go-micro/v2/broker"
-	nats "github.com/nats-io/nats.go"
-)
-
-var addrTestCases = []struct {
-	name        string
-	description string
-	addrs       map[string]string // expected address : set address
-}{
-	{
-		"brokerOpts",
-		"set broker addresses through a broker.Option in constructor",
-		map[string]string{
-			"nats://192.168.10.1:5222": "192.168.10.1:5222",
-			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
-	},
-	{
-		"brokerInit",
-		"set broker addresses through a broker.Option in broker.Init()",
-		map[string]string{
-			"nats://192.168.10.1:5222": "192.168.10.1:5222",
-			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
-	},
-	{
-		"natsOpts",
-		"set broker addresses through the nats.Option in constructor",
-		map[string]string{
-			"nats://192.168.10.1:5222": "192.168.10.1:5222",
-			"nats://10.20.10.0:4222":   "10.20.10.0:4222"},
-	},
-	{
-		"default",
-		"check if default Address is set correctly",
-		map[string]string{
-			"nats://127.0.0.1:4222": "",
-		},
-	},
-}
-
-// TestInitAddrs tests issue #100. Ensures that if the addrs is set by an option in init it will be used.
-func TestInitAddrs(t *testing.T) {
-
-	for _, tc := range addrTestCases {
-		t.Run(fmt.Sprintf("%s: %s", tc.name, tc.description), func(t *testing.T) {
-
-			var br broker.Broker
-			var addrs []string
-
-			for _, addr := range tc.addrs {
-				addrs = append(addrs, addr)
-			}
-
-			switch tc.name {
-			case "brokerOpts":
-				// we know that there are just two addrs in the dict
-				br = NewBroker(broker.Addrs(addrs[0], addrs[1]))
-				br.Init()
-			case "brokerInit":
-				br = NewBroker()
-				// we know that there are just two addrs in the dict
-				br.Init(broker.Addrs(addrs[0], addrs[1]))
-			case "natsOpts":
-				nopts := nats.GetDefaultOptions()
-				nopts.Servers = addrs
-				br = NewBroker(Options(nopts))
-				br.Init()
-			case "default":
-				br = NewBroker()
-				br.Init()
-			}
-
-			natsBroker, ok := br.(*natsBroker)
-			if !ok {
-				t.Fatal("Expected broker to be of types *natsBroker")
-			}
-			// check if the same amount of addrs we set has actually been set, default
-			// have only 1 address nats://127.0.0.1:4222 (current nats code) or
-			// nats://localhost:4222 (older code version)
-			if len(natsBroker.addrs) != len(tc.addrs) && tc.name != "default" {
-				t.Errorf("Expected Addr count = %d, Actual Addr count = %d",
-					len(natsBroker.addrs), len(tc.addrs))
-			}
-
-			for _, addr := range natsBroker.addrs {
-				_, ok := tc.addrs[addr]
-				if !ok {
-					t.Errorf("Expected '%s' has not been set", addr)
-				}
-			}
-		})
-	}
-}

broker/nats/options.go

@@ -1,25 +0,0 @@
-package nats
-
-import (
-	"github.com/micro/go-micro/v2/broker"
-	nats "github.com/nats-io/nats.go"
-)
-
-type optionsKey struct{}
-type drainConnectionKey struct{}
-type localServerKey struct{}
-
-// Options accepts nats.Options
-func Options(opts nats.Options) broker.Option {
-	return setBrokerOption(optionsKey{}, opts)
-}
-
-// LocalServer embeds a local server rather than connecting to one
-func LocalServer() broker.Option {
-	return setBrokerOption(localServerKey{}, true)
-}
-
-// DrainConnection will drain subscription on close
-func DrainConnection() broker.Option {
-	return setBrokerOption(drainConnectionKey{}, struct{}{})
-}