move to micro v4

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

.gitea/workflows/job_lint.yml

@@ -0,0 +1,29 @@
+name: lint
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable' 
+    - name: setup deps
+      run: go get -v ./...
+    - name: run lint
+      uses: https://github.com/golangci/golangci-lint-action@v6
+      with:
+        version: 'latest'

.gitea/workflows/job_test.yml

@@ -0,0 +1,34 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+  push:
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup deps
+      run: go get -v ./...
+    - name: run test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...

.gitea/workflows/job_tests.yml

@@ -0,0 +1,53 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches:
+    - master
+    - v3
+    - v4
+  push:
+    branches:
+    - master
+    - v3
+    - v4
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: checkout tests
+      uses: actions/checkout@v4
+      with:
+        ref: master
+        filter: 'blob:none'
+        repository: unistack-org/micro-tests
+        path: micro-tests
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup go work
+      env:
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: |
+        go work init
+        go work use .
+        go work use micro-tests
+    - name: setup deps
+      env:
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: go get -v ./...
+    - name: run tests
+      env:
+        INTEGRATION_TESTS: yes
+        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+      run: |
+        cd micro-tests
+        go test -mod readonly -v ./... || true

.github/dependabot.yml

@@ -1,19 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-
-  # Maintain dependencies for Golang
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "daily"

.github/renovate.json

@@ -1,19 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.github/stale.sh

@@ -1,13 +0,0 @@
-#!/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

@@ -1,46 +0,0 @@
-name: build
-on:
- push:
-    branches:
-    - master
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.16
-    - 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@v2
-        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/codeql-analysis.yml

@@ -1,75 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "CodeQL"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-  push:
-    branches: [ master ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master ]
-  schedule:
-    - cron: '34 1 * * 0'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v2
-
-    # Initializes the CodeQL tools for scanning.
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -1,66 +0,0 @@
-name: "prautomerge"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-
-permissions:
-  contents: write
-  pull-requests: write
-
-jobs:
-  Dependabot-Automerge:
-    runs-on: ubuntu-latest
-    # Contains workaround to execute if dependabot updates the PR by checking for the base branch in the linked PR
-    # The the github.event.workflow_run.event value is 'push' and not 'pull_request'
-    # dont work with multiple workflows when last returns success
-    if: >-
-      github.event.workflow_run.conclusion == 'success'
-      && github.actor == 'dependabot[bot]'
-      && github.event.sender.login == 'dependabot[bot]'
-      && github.event.sender.type == 'Bot'
-      && (github.event.workflow_run.event == 'pull_request'
-          || (github.event.workflow_run.event == 'push' && github.event.workflow_run.pull_requests[0].base.ref == github.event.repository.default_branch ))
-    steps:
-      - name: Approve Changes and Merge changes if label 'dependencies' is set
-        uses: actions/github-script@v5
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            console.log(context.payload.workflow_run);
-            
-            var labelNames = await github.paginate(
-              github.issues.listLabelsOnIssue,
-              {
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                issue_number: context.payload.workflow_run.pull_requests[0].number,
-              },
-              (response) => response.data.map(
-                (label) => label.name
-              )
-            );
-
-            console.log(labelNames);
-
-            if (labelNames.includes('dependencies')) {
-              console.log('Found label');
-
-              await github.pulls.createReview({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-                event: 'APPROVE'
-              });
-              console.log('Approved PR');
-
-              await github.pulls.merge({
-                repo: context.repo.repo,
-                owner: context.repo.owner,
-                pull_number: context.payload.workflow_run.pull_requests[0].number,
-              });
-
-              console.log('Merged PR');
-            }

.github/workflows/pr.yml

@@ -1,46 +0,0 @@
-name: prbuild
-on:
-  pull_request:
-    branches:
-    - master
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v2
-      with:
-        go-version: 1.16
-    - 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@v2
-        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

go.mod

@@ -1,5 +1,18 @@
-module go.unistack.org/micro-router-register/v3
+module go.unistack.org/micro-router-register/v4
 
-go 1.16
+go 1.22.0
 
-require go.unistack.org/micro/v3 v3.8.5
+toolchain go1.23.4
+
+require go.unistack.org/micro/v4 v4.1.2
+
+require (
+	github.com/ash3in/uuidv8 v1.2.0 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
+	github.com/matoous/go-nanoid v1.5.1 // indirect
+	go.unistack.org/micro-proto/v4 v4.1.0 // indirect
+	google.golang.org/protobuf v1.36.3 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -1,26 +1,30 @@
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
-github.com/golang-jwt/jwt/v4 v4.1.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
-github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
-github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
+github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
-github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/silas/dag v0.0.0-20210626123444-3804bac2d6d4/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-go.unistack.org/micro-proto/v3 v3.1.0 h1:q39FwjFiRZn+Ux/tt+d3bJTmDtsQQWa+3SLYVo1vLfA=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-go.unistack.org/micro-proto/v3 v3.1.0/go.mod h1:DpRhYCBXlmSJ/AAXTmntvlh7kQkYU6eFvlmYAx4BQS8=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
-go.unistack.org/micro/v3 v3.8.5 h1:DIYWRsQF+NPhKZP45sCtNsUhaRw6u2+Ps7U+pKU7i3s=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
-go.unistack.org/micro/v3 v3.8.5/go.mod h1:KMMmOmbgo/D52/rCAbqeKbBsgEEbSKM69he54J3ZIuA=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+github.com/matoous/go-nanoid v1.5.1 h1:aCjdvTyO9LLnTIi0fgdXhOPPvOHjpXN6Ik9DaNjIct4=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
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-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
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-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
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 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

registry.go

@@ -1,13 +1,13 @@
-package register // import "go.unistack.org/micro-router-register/v3"
+package register
 
 import (
 	"fmt"
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v4/register"
-	"go.unistack.org/micro/v3/router"
+	"go.unistack.org/micro/v4/router"
 )
 
 var (
@@ -20,11 +20,11 @@ var (
 // rtr implements router interface
 type rtr struct {
 	sync.RWMutex
-	running  bool
 	table    *table
-	opts     router.Options
 	exit     chan bool
 	initChan chan bool
+	opts     router.Options
+	running  bool
 }
 
 // NewRouter creates new router and returns it
@@ -84,32 +84,18 @@ func (r *rtr) Table() router.Table {
 	return r.table
 }
 
-func getDomain(srv *register.Service) string {
-	// check the service metadata for domain
-	// TODO: domain as Domain field in register?
-	if srv.Metadata != nil && len(srv.Metadata["domain"]) > 0 {
-		return srv.Metadata["domain"]
-	} else if len(srv.Nodes) > 0 && srv.Nodes[0].Metadata != nil {
-		return srv.Nodes[0].Metadata["domain"]
-	}
-
-	// otherwise return wildcard
-	// TODO: return GlobalDomain or PublicDomain
-	return register.DefaultDomain
-}
-
 // manageRoute applies action on a given route
-func (r *rtr) manageRoute(route router.Route, action string) error {
+func (r *rtr) manageRoute(route router.Route, action register.EventType) error {
 	switch action {
-	case "create":
+	case register.EventCreate:
 		if err := r.table.Create(route); err != nil && err != router.ErrDuplicateRoute {
 			return fmt.Errorf("failed adding route for service %s: %s", route.Service, err)
 		}
-	case "delete":
+	case register.EventDelete:
 		if err := r.table.Delete(route); err != nil && err != router.ErrRouteNotFound {
 			return fmt.Errorf("failed deleting route for service %s: %s", route.Service, err)
 		}
-	case "update":
+	case register.EventUpdate:
 		if err := r.table.Update(route); err != nil {
 			return fmt.Errorf("failed updating route for service %s: %s", route.Service, err)
 		}
@@ -121,7 +107,7 @@ func (r *rtr) manageRoute(route router.Route, action string) error {
 }
 
 // createRoutes turns a service into a list routes basically converting nodes to routes
-func (r *rtr) createRoutes(service *register.Service, network string) []router.Route {
+func (r *rtr) createRoutes(service *register.Service) []router.Route {
 	routes := make([]router.Route, 0, len(service.Nodes))
 
 	for _, node := range service.Nodes {
@@ -129,7 +115,7 @@ func (r *rtr) createRoutes(service *register.Service, network string) []router.R
 			Service:  service.Name,
 			Address:  node.Address,
 			Gateway:  "",
-			Network:  network,
+			Network:  service.Namespace,
 			Router:   r.opts.ID,
 			Link:     router.DefaultLink,
 			Metric:   router.DefaultLocalMetric,
@@ -142,23 +128,23 @@ func (r *rtr) createRoutes(service *register.Service, network string) []router.R
 
 // manageServiceRoutes applies action to all routes of the service.
 // It returns error of the action fails with error.
-func (r *rtr) manageRoutes(service *register.Service, action, network string) error {
+func (r *rtr) manageRoutes(service *register.Service, action register.EventType) error {
 	// create a set of routes from the service
-	routes := r.createRoutes(service, network)
+	routes := r.createRoutes(service)
 
 	// if its a delete action and there's no nodes
 	// it means we need to wipe out all the routes
 	// for that service
-	if action == "delete" && len(routes) == 0 {
+	if action == register.EventDelete && len(routes) == 0 {
 		// delete the service entirely
-		r.table.deleteService(service.Name, network)
+		r.table.deleteService(service.Name, service.Namespace)
 		return nil
 	}
 
 	// create the routes in the table
 	for _, route := range routes {
 		if r.opts.Logger.V(logger.TraceLevel) {
-			r.opts.Logger.Tracef(r.opts.Context, "Creating route %v domain: %v", route, network)
+			r.opts.Logger.Trace(r.opts.Context, "Creating route %v namespace: %v", route, service.Namespace)
 		}
 		if err := r.manageRoute(route, action); err != nil {
 			return err
@@ -171,23 +157,21 @@ func (r *rtr) manageRoutes(service *register.Service, action, network string) er
 // manageRegisterRoutes applies action to all routes of each service found in the register.
 // It returns error if either the services failed to be listed or the routing table action fails.
 func (r *rtr) loadRoutes(reg register.Register) error {
-	services, err := reg.ListServices(r.opts.Context, register.ListDomain(register.WildcardDomain))
+	services, err := reg.ListServices(r.opts.Context, register.ListNamespace(register.WildcardNamespace))
 	if err != nil {
 		return fmt.Errorf("failed listing services: %v", err)
 	}
 
 	// add each service node as a separate route
 	for _, service := range services {
-		// get the services domain from metadata. Fallback to wildcard.
-		domain := getDomain(service)
 
 		// create the routes
-		routes := r.createRoutes(service, domain)
+		routes := r.createRoutes(service)
 
 		// if the routes exist save them
 		if len(routes) > 0 {
 			if r.opts.Logger.V(logger.TraceLevel) {
-				r.opts.Logger.Tracef(r.opts.Context, "Creating routes for service %v domain: %v", service, domain)
+				r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Creating routes for service %v", service))
 			}
 			for _, rt := range routes {
 				err := r.table.Create(rt)
@@ -199,7 +183,7 @@ func (r *rtr) loadRoutes(reg register.Register) error {
 
 				if err != nil {
 					if r.opts.Logger.V(logger.ErrorLevel) {
-						r.opts.Logger.Errorf(r.opts.Context, "Error creating route for service %v in domain %v: %v", service, domain, err)
+						r.opts.Logger.Error(r.opts.Context, fmt.Sprintf("Error creating route for service %v: %v", service, err))
 					}
 				}
 			}
@@ -209,21 +193,21 @@ func (r *rtr) loadRoutes(reg register.Register) error {
 		// otherwise get all the service info
 
 		// get the service to retrieve all its info
-		srvs, err := reg.LookupService(r.opts.Context, service.Name, register.LookupDomain(domain))
+		srvs, err := reg.LookupService(r.opts.Context, service.Name, register.LookupNamespace(service.Namespace))
 		if err != nil {
 			if r.opts.Logger.V(logger.TraceLevel) {
-				r.opts.Logger.Tracef(r.opts.Context, "Failed to get service %s domain: %s", service.Name, domain)
+				r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Failed to get service %s", service.Name))
 			}
 			continue
 		}
 
 		// manage the routes for all returned services
 		for _, srv := range srvs {
-			routes := r.createRoutes(srv, domain)
+			routes := r.createRoutes(srv)
 
 			if len(routes) > 0 {
 				if r.opts.Logger.V(logger.TraceLevel) {
-					r.opts.Logger.Tracef(r.opts.Context, "Creating routes for service %v domain: %v", srv, domain)
+					r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Creating routes for service %v", srv))
 				}
 				for _, rt := range routes {
 					err := r.table.Create(rt)
@@ -235,7 +219,7 @@ func (r *rtr) loadRoutes(reg register.Register) error {
 
 					if err != nil {
 						if r.opts.Logger.V(logger.ErrorLevel) {
-							r.opts.Logger.Errorf(r.opts.Context, "Error creating route for service %v in domain %v: %v", service, domain, err)
+							r.opts.Logger.Error(r.opts.Context, fmt.Sprintf("Error creating route for service %v: %v", service, err))
 						}
 					}
 				}
@@ -249,18 +233,18 @@ func (r *rtr) loadRoutes(reg register.Register) error {
 // lookup retrieves all the routes for a given service and creates them in the routing table
 func (r *rtr) lookup(service string) ([]router.Route, error) {
 	if r.opts.Logger.V(logger.TraceLevel) {
-		r.opts.Logger.Tracef(r.opts.Context, "Fetching route for %s domain: %v", service, register.WildcardDomain)
+		r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Fetching route for %s domain: %v", service, register.WildcardNamespace))
 	}
 
-	services, err := r.opts.Register.LookupService(r.opts.Context, service, register.LookupDomain(register.WildcardDomain))
+	services, err := r.opts.Register.LookupService(r.opts.Context, service, register.LookupNamespace(register.WildcardNamespace))
 	if err == register.ErrNotFound {
 		if r.opts.Logger.V(logger.TraceLevel) {
-			r.opts.Logger.Tracef(r.opts.Context, "Failed to find route for %s", service)
+			r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Failed to find route for %s", service))
 		}
 		return nil, router.ErrRouteNotFound
 	} else if err != nil {
 		if r.opts.Logger.V(logger.TraceLevel) {
-			r.opts.Logger.Tracef(r.opts.Context, "Failed to find route for %s: %v", service, err)
+			r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Failed to find route for %s: %v", service, err))
 		}
 		return nil, fmt.Errorf("failed getting services: %v", err)
 	}
@@ -268,10 +252,9 @@ func (r *rtr) lookup(service string) ([]router.Route, error) {
 	var routes []router.Route
 
 	for _, srv := range services {
-		domain := getDomain(srv)
 		// TODO: should we continue to send the event indicating we created a route?
 		// lookup is only called in the query path so probably not
-		routes = append(routes, r.createRoutes(srv, domain)...)
+		routes = append(routes, r.createRoutes(srv)...)
 	}
 
 	return routes, nil
@@ -308,24 +291,25 @@ func (r *rtr) watchRegister(w register.Watcher) error {
 			}
 			break
 		}
+		if res == nil {
+			continue
+		}
 
 		// don't process nil entries
 		if res.Service == nil {
-			if logger.V(logger.TraceLevel) {
+			if r.opts.Logger.V(logger.TraceLevel) {
-				logger.Trace(r.opts.Context, "Received a nil service")
+				r.opts.Logger.Trace(r.opts.Context, "Received a nil service")
 			}
 			continue
 		}
 
 		if r.opts.Logger.V(logger.TraceLevel) {
-			r.opts.Logger.Tracef(r.opts.Context, "Router dealing with next route %s %+v\n", res.Action, res.Service)
+			r.opts.Logger.Trace(r.opts.Context, fmt.Sprintf("Router dealing with next route %s %+v", res.Action, res.Service))
 		}
 
 		// get the services domain from metadata. Fallback to wildcard.
-		domain := getDomain(res.Service)
-
 		// create/update or delete the route
-		if err := r.manageRoutes(res.Service, res.Action, domain); err != nil {
+		if err := r.manageRoutes(res.Service, res.Action); err != nil {
 			return err
 		}
 	}
@@ -383,7 +367,7 @@ func (r *rtr) start() error {
 			case <-t1.C:
 				if err := r.loadRoutes(r.opts.Register); err != nil {
 					if r.opts.Logger.V(logger.DebugLevel) {
-						r.opts.Logger.Debugf(r.opts.Context, "failed refreshing register routes: %s", err)
+						r.opts.Logger.Debug(r.opts.Context, fmt.Sprintf("failed refreshing register routes: %s", err))
 					}
 				}
 			}
@@ -397,12 +381,12 @@ func (r *rtr) start() error {
 				return
 			default:
 				if r.opts.Logger.V(logger.TraceLevel) {
-					r.opts.Logger.Tracef(r.opts.Context, "Router starting register watch")
+					r.opts.Logger.Trace(r.opts.Context, "Router starting register watch")
 				}
-				w, err := r.opts.Register.Watch(r.opts.Context, register.WatchDomain(register.WildcardDomain))
+				w, err := r.opts.Register.Watch(r.opts.Context, register.WatchNamespace(register.WildcardNamespace))
 				if err != nil {
 					if r.opts.Logger.V(logger.DebugLevel) {
-						r.opts.Logger.Debug(r.opts.Context, "failed creating register watcher: %v", err)
+						r.opts.Logger.Debug(r.opts.Context, fmt.Sprintf("failed creating register watcher: %v", err))
 					}
 					time.Sleep(time.Second)
 					continue
@@ -411,7 +395,7 @@ func (r *rtr) start() error {
 				// watchRegister calls stop when it's done
 				if err := r.watchRegister(w); err != nil {
 					if r.opts.Logger.V(logger.DebugLevel) {
-						r.opts.Logger.Debugf(r.opts.Context, "Error watching the register: %v", err)
+						r.opts.Logger.Debug(r.opts.Context, fmt.Sprintf("Error watching the register: %v", err))
 					}
 					time.Sleep(time.Second)
 				}

registry_test.go

@@ -1,28 +0,0 @@
-//go:build ignore
-// +build ignore
-
-package register
-
-import (
-	"os"
-	"testing"
-
-	"go.unistack.org/micro/v3/register/memory"
-	"go.unistack.org/micro/v3/router"
-)
-
-func routerTestSetup() router.Router {
-	r := memory.NewRegister()
-	return NewRouter(router.Register(r))
-}
-
-func TestRouterClose(t *testing.T) {
-	r := routerTestSetup()
-
-	if err := r.Close(); err != nil {
-		t.Errorf("failed to stop router: %v", err)
-	}
-	if len(os.Getenv("INTEGRATION_TESTS")) == 0 {
-		t.Logf("TestRouterStartStop STOPPED")
-	}
-}

table.go

@@ -1,12 +1,13 @@
 package register
 
 import (
+	"fmt"
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v4/logger"
-	"go.unistack.org/micro/v3/router"
+	"go.unistack.org/micro/v4/router"
-	"go.unistack.org/micro/v3/util/id"
+	"go.unistack.org/micro/v4/util/id"
 )
 
 // table is an in-memory routing table
@@ -22,8 +23,8 @@ type table struct {
 }
 
 type route struct {
-	route   router.Route
 	updated time.Time
+	route   router.Route
 }
 
 // newtable creates a new routing table and returns it
@@ -129,10 +130,10 @@ func (t *table) Create(r router.Route) error {
 	}
 
 	// create the route
-	t.routes[service][sum] = &route{r, time.Now()}
+	t.routes[service][sum] = &route{updated: time.Now(), route: r}
 
 	if t.opts.Logger.V(logger.DebugLevel) {
-		t.opts.Logger.Debugf(t.opts.Context, "Router emitting %s for route: %s", router.Create, r.Address)
+		t.opts.Logger.Debug(t.opts.Context, fmt.Sprintf("Router emitting %s for route: %s", router.Create, r.Address))
 	}
 
 	// send a route created event
@@ -166,7 +167,7 @@ func (t *table) Delete(r router.Route) error {
 	}
 
 	if t.opts.Logger.V(logger.DebugLevel) {
-		t.opts.Logger.Debugf(t.opts.Context, "Router emitting %s for route: %s", router.Delete, r.Address)
+		t.opts.Logger.Debug(t.opts.Context, fmt.Sprintf("Router emitting %s for route: %s", router.Delete, r.Address))
 	}
 	go t.sendEvent(&router.Event{Type: router.Delete, Timestamp: time.Now(), Route: r})
 
@@ -188,17 +189,17 @@ func (t *table) Update(r router.Route) error {
 
 	if _, ok := t.routes[service][sum]; !ok {
 		// update the route
-		t.routes[service][sum] = &route{r, time.Now()}
+		t.routes[service][sum] = &route{updated: time.Now(), route: r}
 
 		if t.opts.Logger.V(logger.DebugLevel) {
-			t.opts.Logger.Debugf(t.opts.Context, "Router emitting %s for route: %s", router.Update, r.Address)
+			t.opts.Logger.Debug(t.opts.Context, fmt.Sprintf("Router emitting %s for route: %s", router.Update, r.Address))
 		}
 		go t.sendEvent(&router.Event{Type: router.Update, Timestamp: time.Now(), Route: r})
 		return nil
 	}
 
 	// just update the route, but dont emit Update event
-	t.routes[service][sum] = &route{r, time.Now()}
+	t.routes[service][sum] = &route{updated: time.Now(), route: r}
 
 	return nil
 }

table_test.go

@@ -1,353 +0,0 @@
-//go:build ignore
-// +build ignore
-
-package register
-
-import (
-	"fmt"
-	"testing"
-
-	"go.unistack.org/micro/v3/router"
-)
-
-func testSetup(t *testing.T) (*table, router.Route) {
-	r, err := NewRouter()
-	if err != nil {
-		t.Fatal(err)
-	}
-	routr := r.(*rtr)
-
-	table := newTable(routr.lookup)
-
-	route := router.Route{
-		Service: "dest.svc",
-		Address: "dest.addr",
-		Gateway: "dest.gw",
-		Network: "dest.network",
-		Router:  "src.router",
-		Link:    "det.link",
-		Metric:  10,
-	}
-
-	return table, route
-}
-
-func TestCreate(t *testing.T) {
-	table, route := testSetup(t)
-
-	if err := table.Create(route); err != nil {
-		t.Fatalf("error adding route: %s", err)
-	}
-
-	// adds new route for the original destination
-	route.Gateway = "dest.gw2"
-
-	if err := table.Create(route); err != nil {
-		t.Fatalf("error adding route: %s", err)
-	}
-
-	// adding the same route under Insert policy must error
-	if err := table.Create(route); err != router.ErrDuplicateRoute {
-		t.Fatalf("error adding route. Expected error: %s, found: %s", router.ErrDuplicateRoute, err)
-	}
-}
-
-func TestDelete(t *testing.T) {
-	table, route := testSetup(t)
-
-	if err := table.Create(route); err != nil {
-		t.Fatalf("error adding route: %s", err)
-	}
-
-	// should fail to delete non-existent route
-	prevSvc := route.Service
-	route.Service = "randDest"
-
-	if err := table.Delete(route); err != router.ErrRouteNotFound {
-		t.Fatalf("error deleting route. Expected: %s, found: %s", router.ErrRouteNotFound, err)
-	}
-
-	// we should be able to delete the existing route
-	route.Service = prevSvc
-
-	if err := table.Delete(route); err != nil {
-		t.Fatalf("error deleting route: %s", err)
-	}
-}
-
-func TestUpdate(t *testing.T) {
-	table, route := testSetup(t)
-
-	if err := table.Create(route); err != nil {
-		t.Fatalf("error adding route: %s", err)
-	}
-
-	// change the metric of the original route
-	route.Metric = 200
-
-	if err := table.Update(route); err != nil {
-		t.Fatalf("error updating route: %s", err)
-	}
-
-	// this should add a new route
-	route.Service = "rand.dest"
-
-	if err := table.Update(route); err != nil {
-		t.Fatalf("error updating route: %s", err)
-	}
-}
-
-func TestList(t *testing.T) {
-	table, route := testSetup(t)
-
-	svc := []string{"one.svc", "two.svc", "three.svc"}
-
-	for i := 0; i < len(svc); i++ {
-		route.Service = svc[i]
-		if err := table.Create(route); err != nil {
-			t.Fatalf("error adding route: %s", err)
-		}
-	}
-
-	routes, err := table.List()
-	if err != nil {
-		t.Fatalf("error listing routes: %s", err)
-	}
-
-	if len(routes) != len(svc) {
-		t.Fatalf("incorrect number of routes listed. Expected: %d, found: %d", len(svc), len(routes))
-	}
-}
-
-func TestQuery(t *testing.T) {
-	table, route := testSetup(t)
-
-	svc := []string{"svc1", "svc2", "svc3", "svc1"}
-	net := []string{"net1", "net2", "net1", "net3"}
-	gw := []string{"gw1", "gw2", "gw3", "gw3"}
-	rtr := []string{"rtr1", "rt2", "rt3", "rtr3"}
-
-	for i := 0; i < len(svc); i++ {
-		route.Service = svc[i]
-		route.Network = net[i]
-		route.Gateway = gw[i]
-		route.Router = rtr[i]
-		route.Link = router.DefaultLink
-
-		if err := table.Create(route); err != nil {
-			t.Fatalf("error adding route: %s", err)
-		}
-	}
-
-	// return all routes
-	routes, err := table.Query()
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	} else if len(routes) == 0 {
-		t.Fatalf("error looking up routes: not found")
-	}
-
-	// query routes particular network
-	network := "net1"
-
-	routes, err = table.Query(router.QueryNetwork(network))
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 2 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
-	}
-
-	for _, route := range routes {
-		if route.Network != network {
-			t.Fatalf("incorrect route returned. Expected network: %s, found: %s", network, route.Network)
-		}
-	}
-
-	// query routes for particular gateway
-	gateway := "gw1"
-
-	routes, err = table.Query(router.QueryGateway(gateway))
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 1 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
-	}
-
-	if routes[0].Gateway != gateway {
-		t.Fatalf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
-	}
-
-	// query routes for particular router
-	rt := "rtr1"
-
-	routes, err = table.Query(router.QueryRouter(rt))
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 1 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
-	}
-
-	if routes[0].Router != rt {
-		t.Fatalf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
-	}
-
-	// query particular gateway and network
-	query := []router.QueryOption{
-		router.QueryGateway(gateway),
-		router.QueryNetwork(network),
-		router.QueryRouter(rt),
-	}
-
-	routes, err = table.Query(query...)
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 1 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
-	}
-
-	if routes[0].Gateway != gateway {
-		t.Fatalf("incorrect route returned. Expected gateway: %s, found: %s", gateway, routes[0].Gateway)
-	}
-
-	if routes[0].Network != network {
-		t.Fatalf("incorrect network returned. Expected network: %s, found: %s", network, routes[0].Network)
-	}
-
-	if routes[0].Router != rt {
-		t.Fatalf("incorrect route returned. Expected router: %s, found: %s", rt, routes[0].Router)
-	}
-
-	// non-existen route query
-	routes, err = table.Query(router.QueryService("foobar"))
-	if err != router.ErrRouteNotFound {
-		t.Fatalf("error looking up routes. Expected: %s, found: %s", router.ErrRouteNotFound, err)
-	}
-
-	if len(routes) != 0 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
-	}
-
-	// query NO routes
-	query = []router.QueryOption{
-		router.QueryGateway(gateway),
-		router.QueryNetwork(network),
-		router.QueryLink("network"),
-	}
-
-	routes, err = table.Query(query...)
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) > 0 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 0, len(routes))
-	}
-
-	// insert local routes to query
-	for i := 0; i < 2; i++ {
-		route.Link = "foobar"
-		route.Address = fmt.Sprintf("local.route.address-%d", i)
-		if err := table.Create(route); err != nil {
-			t.Fatalf("error adding route: %s", err)
-		}
-	}
-
-	// query local routes
-	query = []router.QueryOption{
-		router.QueryGateway("*"),
-		router.QueryNetwork("*"),
-		router.QueryLink("foobar"),
-	}
-
-	routes, err = table.Query(query...)
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 2 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 2, len(routes))
-	}
-
-	// add two different routes for svcX with different metric
-	for i := 0; i < 2; i++ {
-		route.Service = "svcX"
-		route.Address = fmt.Sprintf("svcX.route.address-%d", i)
-		route.Metric = int64(100 + i)
-		route.Link = router.DefaultLink
-		if err := table.Create(route); err != nil {
-			t.Fatalf("error adding route: %s", err)
-		}
-	}
-
-	query = []router.QueryOption{
-		router.QueryService("svcX"),
-	}
-
-	routes, err = table.Query(query...)
-	if err != nil {
-		t.Fatalf("error looking up routes: %s", err)
-	}
-
-	if len(routes) != 2 {
-		t.Fatalf("incorrect number of routes returned. Expected: %d, found: %d", 1, len(routes))
-	}
-}
-
-func TestFallback(t *testing.T) {
-	r := &rtr{
-		options: router.NewOptions(),
-	}
-	route := router.Route{
-		Service: "go.micro.service.foo",
-		Router:  r.options.ID,
-		Link:    router.DefaultLink,
-		Metric:  router.DefaultLocalMetric,
-	}
-	r.table = newTable(func(s string) ([]router.Route, error) {
-		return []router.Route{route}, nil
-	})
-	r.start()
-
-	rts, err := r.Lookup(router.QueryService("go.micro.service.foo"))
-	if err != nil {
-		t.Fatalf("error looking up service %s", err)
-	}
-	if len(rts) != 1 {
-		t.Fatalf("incorrect number of routes returned %d", len(rts))
-	}
-
-	// deleting from the table but the next query should invoke the fallback that we passed during new table creation
-	if err := r.table.Delete(route); err != nil {
-		t.Fatalf("error deleting route %s", err)
-	}
-
-	rts, err = r.Lookup(router.QueryService("go.micro.service.foo"))
-	if err != nil {
-		t.Fatalf("error looking up service %s", err)
-	}
-	if len(rts) != 1 {
-		t.Fatalf("incorrect number of routes returned %d", len(rts))
-	}
-}
-
-func TestFallbackError(t *testing.T) {
-	r := &rtr{
-		options: router.NewOptions(),
-	}
-	r.table = newTable(func(s string) ([]router.Route, error) {
-		return nil, fmt.Errorf("ERROR")
-	})
-	r.start()
-	_, err := r.Lookup(router.QueryService("go.micro.service.foo"))
-	if err == nil {
-		t.Fatalf("expected error looking up service but none returned")
-	}
-}

watcher.go

@@ -3,16 +3,16 @@ package register
 import (
 	"sync"
 
-	"go.unistack.org/micro/v3/router"
+	"go.unistack.org/micro/v4/router"
 )
 
 // tableWatcher implements routing table Watcher
 type tableWatcher struct {
 	sync.RWMutex
-	id      string
-	opts    router.WatchOptions
 	resChan chan *router.Event
 	done    chan struct{}
+	id      string
+	opts    router.WatchOptions
 }
 
 // Next returns the next noticed action taken on table