add import guards

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

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,24 @@
+---
+name: Bug report
+about: For reporting bugs in go-micro
+title: "[BUG]"
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+
+1. What are you trying to do?
+2. What did you expect to happen?
+3. What happens instead?
+
+**How to reproduce the bug:**
+
+If possible, please include a minimal code snippet here.
+
+**Environment:**
+Go Version: please paste `go version` output here
+```
+please paste `go env` output here
+```

.github/ISSUE_TEMPLATE/feature-request---enhancement.md

@@ -0,0 +1,17 @@
+---
+name: Feature request / Enhancement
+about: If you have a need not served by go-micro
+title: "[FEATURE]"
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,14 @@
+---
+name: Question
+about: Ask a question about go-micro
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+Before asking, please check if your question has already been answered: 
+
+1. Check the documentation - https://micro.mu/docs/
+2. Check the examples and plugins - https://github.com/micro/examples & https://github.com/micro/go-plugins
+3. Search existing issues

.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/dependabot.yml

@@ -0,0 +1,19 @@
+# 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/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@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

@@ -0,0 +1,75 @@
+# 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

@@ -0,0 +1,66 @@
+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@v4
+        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

@@ -0,0 +1,46 @@
+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

api/annotations.pb.go

@@ -14,17 +14,16 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.27.1
-// 	protoc        v3.6.1
+// 	protoc        v3.17.3
 // source: api/annotations.proto
 
 package api
 
 import (
-	proto "github.com/golang/protobuf/proto"
-	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
 	reflect "reflect"
 )
 
@@ -35,27 +34,51 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 var file_api_annotations_proto_extTypes = []protoimpl.ExtensionInfo{
 	{
-		ExtendedType:  (*descriptor.MethodOptions)(nil),
+		ExtendedType:  (*descriptorpb.MethodOptions)(nil),
 		ExtensionType: (*HttpRule)(nil),
-		Field:         72295728,
+		Field:         65535654,
 		Name:          "micro.api.http",
-		Tag:           "bytes,72295728,opt,name=http",
+		Tag:           "bytes,65535654,opt,name=http",
+		Filename:      "api/annotations.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.MethodOptions)(nil),
+		ExtensionType: (*MicroMethod)(nil),
+		Field:         65535655,
+		Name:          "micro.api.micro_method",
+		Tag:           "bytes,65535655,opt,name=micro_method",
+		Filename:      "api/annotations.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.ServiceOptions)(nil),
+		ExtensionType: (*MicroService)(nil),
+		Field:         65535655,
+		Name:          "micro.api.micro_service",
+		Tag:           "bytes,65535655,opt,name=micro_service",
 		Filename:      "api/annotations.proto",
 	},
 }
 
-// Extension fields to descriptor.MethodOptions.
+// Extension fields to descriptorpb.MethodOptions.
 var (
 	// See `HttpRule`.
 	//
-	// optional micro.api.HttpRule http = 72295728;
+	// optional micro.api.HttpRule http = 65535654;
 	E_Http = &file_api_annotations_proto_extTypes[0]
+	// See `MicroMethod`.
+	//
+	// optional micro.api.MicroMethod micro_method = 65535655;
+	E_MicroMethod = &file_api_annotations_proto_extTypes[1]
+)
+
+// Extension fields to descriptorpb.ServiceOptions.
+var (
+	// See `MicroService`
+	//
+	// optional micro.api.MicroService micro_service = 65535655;
+	E_MicroService = &file_api_annotations_proto_extTypes[2]
 )
 
 var File_api_annotations_proto protoreflect.FileDescriptor
@@ -64,32 +87,52 @@ var file_api_annotations_proto_rawDesc = []byte{
 	0x0a, 0x15, 0x61, 0x70, 0x69, 0x2f, 0x61, 0x6e, 0x6e, 0x6f, 0x74, 0x61, 0x74, 0x69, 0x6f, 0x6e,
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+	0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var file_api_annotations_proto_goTypes = []interface{}{
-	(*descriptor.MethodOptions)(nil), // 0: google.protobuf.MethodOptions
+	(*descriptorpb.MethodOptions)(nil),  // 0: google.protobuf.MethodOptions
-	(*HttpRule)(nil),                 // 1: micro.api.HttpRule
+	(*descriptorpb.ServiceOptions)(nil), // 1: google.protobuf.ServiceOptions
+	(*HttpRule)(nil),                    // 2: micro.api.HttpRule
+	(*MicroMethod)(nil),                 // 3: micro.api.MicroMethod
+	(*MicroService)(nil),                // 4: micro.api.MicroService
 }
 var file_api_annotations_proto_depIdxs = []int32{
 	0, // 0: micro.api.http:extendee -> google.protobuf.MethodOptions
-	1, // 1: micro.api.http:type_name -> micro.api.HttpRule
+	0, // 1: micro.api.micro_method:extendee -> google.protobuf.MethodOptions
-	2, // [2:2] is the sub-list for method output_type
+	1, // 2: micro.api.micro_service:extendee -> google.protobuf.ServiceOptions
-	2, // [2:2] is the sub-list for method input_type
+	2, // 3: micro.api.http:type_name -> micro.api.HttpRule
-	1, // [1:2] is the sub-list for extension type_name
+	3, // 4: micro.api.micro_method:type_name -> micro.api.MicroMethod
-	0, // [0:1] is the sub-list for extension extendee
+	4, // 5: micro.api.micro_service:type_name -> micro.api.MicroService
+	6, // [6:6] is the sub-list for method output_type
+	6, // [6:6] is the sub-list for method input_type
+	3, // [3:6] is the sub-list for extension type_name
+	0, // [0:3] is the sub-list for extension extendee
 	0, // [0:0] is the sub-list for field type_name
 }
 
@@ -99,6 +142,7 @@ func file_api_annotations_proto_init() {
 		return
 	}
 	file_api_http_proto_init()
+	file_api_micro_proto_init()
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
@@ -106,7 +150,7 @@ func file_api_annotations_proto_init() {
 			RawDescriptor: file_api_annotations_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   0,
-			NumExtensions: 1,
+			NumExtensions: 3,
 			NumServices:   0,
 		},
 		GoTypes:           file_api_annotations_proto_goTypes,

api/annotations.proto

@@ -17,9 +17,10 @@ syntax = "proto3";
 package micro.api;
 
 import "api/http.proto";
+import "api/micro.proto";
 import "google/protobuf/descriptor.proto";
 
-option go_package = "github.com/unistack-org/micro-proto/api;api";
+option go_package = "go.unistack.org/micro-proto/v3/api;api";
 option java_multiple_files = true;
 option java_outer_classname = "AnnotationsProto";
 option java_package = "micro.api";
@@ -27,5 +28,15 @@ option objc_class_prefix = "MAPI";
 
 extend google.protobuf.MethodOptions {
   // See `HttpRule`.
-  HttpRule http = 72295728;
+  HttpRule http = 65535654;
+}
+
+extend google.protobuf.MethodOptions {
+  // See `MicroMethod`.
+  MicroMethod micro_method = 65535655;
+}
+
+extend google.protobuf.ServiceOptions {
+  // See `MicroService`
+  MicroService micro_service = 65535655;
 }

api/api.go

@@ -0,0 +1 @@
+package api // import "go.unistack.org/micro-proto/v3/api"

api/field_behavior.pb.go

@@ -14,17 +14,16 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.27.1
-// 	protoc        v3.6.1
+// 	protoc        v3.17.3
 // source: api/field_behavior.proto
 
 package api
 
 import (
-	proto "github.com/golang/protobuf/proto"
-	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -36,10 +35,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 // An indicator of the behavior of a given field (for example, that a field
 // is required in requests, or given as output but ignored as input).
 // This **does not** change the behavior in protocol buffers itself; it only
@@ -130,16 +125,16 @@ func (FieldBehavior) EnumDescriptor() ([]byte, []int) {
 
 var file_api_field_behavior_proto_extTypes = []protoimpl.ExtensionInfo{
 	{
-		ExtendedType:  (*descriptor.FieldOptions)(nil),
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
 		ExtensionType: ([]FieldBehavior)(nil),
-		Field:         1052,
+		Field:         651052,
 		Name:          "micro.api.field_behavior",
-		Tag:           "varint,1052,rep,name=field_behavior,enum=micro.api.FieldBehavior",
+		Tag:           "varint,651052,rep,name=field_behavior,enum=micro.api.FieldBehavior",
 		Filename:      "api/field_behavior.proto",
 	},
 }
 
-// Extension fields to descriptor.FieldOptions.
+// Extension fields to descriptorpb.FieldOptions.
 var (
 	// A designation of a specific field behavior (required, output only, etc.)
 	// in protobuf messages.
@@ -154,7 +149,7 @@ var (
 	//     [(google.api.field_behavior) = OUTPUT_ONLY,
 	//      (google.api.field_behavior) = IMMUTABLE];
 	//
-	// repeated micro.api.FieldBehavior field_behavior = 1052;
+	// repeated micro.api.FieldBehavior field_behavior = 651052;
 	E_FieldBehavior = &file_api_field_behavior_proto_extTypes[0]
 )
 
@@ -174,19 +169,19 @@ var file_api_field_behavior_proto_rawDesc = []byte{
 	0x4f, 0x4e, 0x4c, 0x59, 0x10, 0x03, 0x12, 0x0e, 0x0a, 0x0a, 0x49, 0x4e, 0x50, 0x55, 0x54, 0x5f,
 	0x4f, 0x4e, 0x4c, 0x59, 0x10, 0x04, 0x12, 0x0d, 0x0a, 0x09, 0x49, 0x4d, 0x4d, 0x55, 0x54, 0x41,
 	0x42, 0x4c, 0x45, 0x10, 0x05, 0x12, 0x12, 0x0a, 0x0e, 0x55, 0x4e, 0x4f, 0x52, 0x44, 0x45, 0x52,
-	0x45, 0x44, 0x5f, 0x4c, 0x49, 0x53, 0x54, 0x10, 0x06, 0x3a, 0x5f, 0x0a, 0x0e, 0x66, 0x69, 0x65,
+	0x45, 0x44, 0x5f, 0x4c, 0x49, 0x53, 0x54, 0x10, 0x06, 0x3a, 0x60, 0x0a, 0x0e, 0x66, 0x69, 0x65,
 	0x6c, 0x64, 0x5f, 0x62, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x12, 0x1d, 0x2e, 0x67, 0x6f,
 	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x46, 0x69,
-	0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x9c, 0x08, 0x20, 0x03, 0x28,
+	0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xac, 0xde, 0x27, 0x20, 0x03,
-	0x0e, 0x32, 0x18, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x46, 0x69,
+	0x28, 0x0e, 0x32, 0x18, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x46,
-	0x65, 0x6c, 0x64, 0x42, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x52, 0x0d, 0x66, 0x69, 0x65,
+	0x69, 0x65, 0x6c, 0x64, 0x42, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x52, 0x0d, 0x66, 0x69,
-	0x6c, 0x64, 0x42, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x42, 0x55, 0x0a, 0x09, 0x6d, 0x69,
+	0x65, 0x6c, 0x64, 0x42, 0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x42, 0x50, 0x0a, 0x09, 0x6d,
-	0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x42, 0x12, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x42, 0x65,
+	0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x42, 0x12, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x42,
-	0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x2b, 0x67,
+	0x65, 0x68, 0x61, 0x76, 0x69, 0x6f, 0x72, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x26,
-	0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61,
+	0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f,
-	0x63, 0x6b, 0x2d, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f,
+	0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x76, 0x33, 0x2f, 0x61,
-	0x74, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50,
+	0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70,
-	0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -203,8 +198,8 @@ func file_api_field_behavior_proto_rawDescGZIP() []byte {
 
 var file_api_field_behavior_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
 var file_api_field_behavior_proto_goTypes = []interface{}{
-	(FieldBehavior)(0),              // 0: micro.api.FieldBehavior
+	(FieldBehavior)(0),                // 0: micro.api.FieldBehavior
-	(*descriptor.FieldOptions)(nil), // 1: google.protobuf.FieldOptions
+	(*descriptorpb.FieldOptions)(nil), // 1: google.protobuf.FieldOptions
 }
 var file_api_field_behavior_proto_depIdxs = []int32{
 	1, // 0: micro.api.field_behavior:extendee -> google.protobuf.FieldOptions

api/field_behavior.proto

@@ -18,7 +18,7 @@ package micro.api;
 
 import "google/protobuf/descriptor.proto";
 
-option go_package = "github.com/unistack-org/micro-proto/api;api";
+option go_package = "go.unistack.org/micro-proto/v3/api;api";
 option java_multiple_files = true;
 option java_outer_classname = "FieldBehaviorProto";
 option java_package = "micro.api";
@@ -37,7 +37,7 @@ extend google.protobuf.FieldOptions {
   //   google.protobuf.Timestamp expire_time = 1
   //     [(google.api.field_behavior) = OUTPUT_ONLY,
   //      (google.api.field_behavior) = IMMUTABLE];
-  repeated micro.api.FieldBehavior field_behavior = 1052;
+  repeated micro.api.FieldBehavior field_behavior = 651052;
 }
 
 // An indicator of the behavior of a given field (for example, that a field

api/http.pb.go

@@ -14,14 +14,13 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.27.1
-// 	protoc        v3.6.1
+// 	protoc        v3.17.3
 // source: api/http.proto
 
 package api
 
 import (
-	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -35,10 +34,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 // Defines the HTTP configuration for an API service. It contains a list of
 // [HttpRule][google.api.HttpRule], each specifying the mapping of an RPC method
 // to one or more HTTP REST API methods.
@@ -670,13 +665,13 @@ var file_api_http_proto_rawDesc = []byte{
 	0x22, 0x3b, 0x0a, 0x11, 0x43, 0x75, 0x73, 0x74, 0x6f, 0x6d, 0x48, 0x74, 0x74, 0x70, 0x50, 0x61,
 	0x74, 0x74, 0x65, 0x72, 0x6e, 0x12, 0x12, 0x0a, 0x04, 0x6b, 0x69, 0x6e, 0x64, 0x18, 0x01, 0x20,
 	0x01, 0x28, 0x09, 0x52, 0x04, 0x6b, 0x69, 0x6e, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74,
-	0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x42, 0x4f, 0x0a,
+	0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x42, 0x4a, 0x0a,
 	0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x42, 0x09, 0x48, 0x74, 0x74, 0x70,
-	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x2b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73,
-	0x63, 0x6f, 0x6d, 0x2f, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2d, 0x6f, 0x72, 0x67,
+	0x74, 0x61, 0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70,
-	0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x61, 0x70, 0x69,
+	0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x76, 0x33, 0x2f, 0x61, 0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xf8,
-	0x3b, 0x61, 0x70, 0x69, 0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50, 0x49, 0x62, 0x06,
+	0x01, 0x01, 0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x33,
 }
 
 var (

api/http.proto

@@ -17,7 +17,7 @@ syntax = "proto3";
 package micro.api;
 
 option cc_enable_arenas = true;
-option go_package = "github.com/unistack-org/micro-proto/api;api";
+option go_package = "go.unistack.org/micro-proto/v3/api;api";
 option java_multiple_files = true;
 option java_outer_classname = "HttpProto";
 option java_package = "micro.api";

api/httpbody.pb.go

@@ -14,17 +14,16 @@
 
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.27.1
-// 	protoc        v3.6.1
+// 	protoc        v3.17.3
 // source: api/httpbody.proto
 
 package api
 
 import (
-	proto "github.com/golang/protobuf/proto"
-	any "github.com/golang/protobuf/ptypes/any"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	anypb "google.golang.org/protobuf/types/known/anypb"
 	reflect "reflect"
 	sync "sync"
 )
@@ -36,10 +35,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 // Message that represents an arbitrary HTTP body. It should only be used for
 // payload formats that can't be represented as JSON, such as raw binary or
 // an HTML page.
@@ -90,7 +85,7 @@ type HttpBody struct {
 	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
 	// Application specific response metadata. Must be set in the first response
 	// for streaming APIs.
-	Extensions []*any.Any `protobuf:"bytes,3,rep,name=extensions,proto3" json:"extensions,omitempty"`
+	Extensions []*anypb.Any `protobuf:"bytes,3,rep,name=extensions,proto3" json:"extensions,omitempty"`
 }
 
 func (x *HttpBody) Reset() {
@@ -139,7 +134,7 @@ func (x *HttpBody) GetData() []byte {
 	return nil
 }
 
-func (x *HttpBody) GetExtensions() []*any.Any {
+func (x *HttpBody) GetExtensions() []*anypb.Any {
 	if x != nil {
 		return x.Extensions
 	}
@@ -160,12 +155,12 @@ var file_api_httpbody_proto_rawDesc = []byte{
 	0x0a, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x03, 0x20, 0x03, 0x28,
 	0x0b, 0x32, 0x14, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x62, 0x75, 0x66, 0x2e, 0x41, 0x6e, 0x79, 0x52, 0x0a, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69,
-	0x6f, 0x6e, 0x73, 0x42, 0x53, 0x0a, 0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69,
+	0x6f, 0x6e, 0x73, 0x42, 0x4e, 0x0a, 0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69,
 	0x42, 0x0d, 0x48, 0x74, 0x74, 0x70, 0x42, 0x6f, 0x64, 0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50,
-	0x01, 0x5a, 0x2b, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x75, 0x6e,
+	0x01, 0x5a, 0x26, 0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2e, 0x6f,
-	0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2d, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f,
+	0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x76,
-	0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xf8, 0x01,
+	0x33, 0x2f, 0x61, 0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04, 0x4d,
-	0x01, 0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -182,8 +177,8 @@ func file_api_httpbody_proto_rawDescGZIP() []byte {
 
 var file_api_httpbody_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
 var file_api_httpbody_proto_goTypes = []interface{}{
-	(*HttpBody)(nil), // 0: micro.api.HttpBody
+	(*HttpBody)(nil),  // 0: micro.api.HttpBody
-	(*any.Any)(nil),  // 1: google.protobuf.Any
+	(*anypb.Any)(nil), // 1: google.protobuf.Any
 }
 var file_api_httpbody_proto_depIdxs = []int32{
 	1, // 0: micro.api.HttpBody.extensions:type_name -> google.protobuf.Any

api/httpbody.proto

@@ -19,7 +19,7 @@ package micro.api;
 import "google/protobuf/any.proto";
 
 option cc_enable_arenas = true;
-option go_package = "github.com/unistack-org/micro-proto/api;api";
+option go_package = "go.unistack.org/micro-proto/v3/api;api";
 option java_multiple_files = true;
 option java_outer_classname = "HttpBodyProto";
 option java_package = "micro.api";

api/micro.pb.go

@@ -0,0 +1,274 @@
+// Copyright 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.
+// 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.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/micro.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+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)
+)
+
+// Defines the Micro configuration for a method. It contains a
+// [MicroMethod][micro.api.MicroMethod]
+type MicroMethod struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Timeout for handler
+	Timeout int32 `protobuf:"varint,1,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	// ServerOptions contains options for server
+	ServerOptions []string `protobuf:"bytes,2,rep,name=server_options,json=serverOptions,proto3" json:"server_options,omitempty"`
+	// ClientOptions contains options for client
+	ClientOptions []string `protobuf:"bytes,3,rep,name=client_options,json=clientOptions,proto3" json:"client_options,omitempty"`
+	// Type rpc/pub/sub
+	Type string `protobuf:"bytes,4,opt,name=type,proto3" json:"type,omitempty"`
+}
+
+func (x *MicroMethod) Reset() {
+	*x = MicroMethod{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_micro_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MicroMethod) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MicroMethod) ProtoMessage() {}
+
+func (x *MicroMethod) ProtoReflect() protoreflect.Message {
+	mi := &file_api_micro_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 MicroMethod.ProtoReflect.Descriptor instead.
+func (*MicroMethod) Descriptor() ([]byte, []int) {
+	return file_api_micro_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *MicroMethod) GetTimeout() int32 {
+	if x != nil {
+		return x.Timeout
+	}
+	return 0
+}
+
+func (x *MicroMethod) GetServerOptions() []string {
+	if x != nil {
+		return x.ServerOptions
+	}
+	return nil
+}
+
+func (x *MicroMethod) GetClientOptions() []string {
+	if x != nil {
+		return x.ClientOptions
+	}
+	return nil
+}
+
+func (x *MicroMethod) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+// Defines the Micro configuration for a method. It contains a
+// [MicroService][micro.api.MicroService]
+type MicroService struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// ServerWrappers contains wrappers for server
+	ServerWrappers []string `protobuf:"bytes,1,rep,name=server_wrappers,json=serverWrappers,proto3" json:"server_wrappers,omitempty"`
+	// ClientWrappers contains wrappers for client
+	ClientWrappers []string `protobuf:"bytes,2,rep,name=client_wrappers,json=clientWrappers,proto3" json:"client_wrappers,omitempty"`
+}
+
+func (x *MicroService) Reset() {
+	*x = MicroService{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_micro_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *MicroService) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*MicroService) ProtoMessage() {}
+
+func (x *MicroService) ProtoReflect() protoreflect.Message {
+	mi := &file_api_micro_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 MicroService.ProtoReflect.Descriptor instead.
+func (*MicroService) Descriptor() ([]byte, []int) {
+	return file_api_micro_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *MicroService) GetServerWrappers() []string {
+	if x != nil {
+		return x.ServerWrappers
+	}
+	return nil
+}
+
+func (x *MicroService) GetClientWrappers() []string {
+	if x != nil {
+		return x.ClientWrappers
+	}
+	return nil
+}
+
+var File_api_micro_proto protoreflect.FileDescriptor
+
+var file_api_micro_proto_rawDesc = []byte{
+	0x0a, 0x0f, 0x61, 0x70, 0x69, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x22, 0x89, 0x01, 0x0a,
+	0x0b, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x4d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x12, 0x18, 0x0a, 0x07,
+	0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x07, 0x74,
+	0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x12, 0x25, 0x0a, 0x0e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72,
+	0x5f, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0d,
+	0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x25, 0x0a,
+	0x0e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x6f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18,
+	0x03, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0d, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x4f, 0x70, 0x74,
+	0x69, 0x6f, 0x6e, 0x73, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x04, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x22, 0x60, 0x0a, 0x0c, 0x4d, 0x69, 0x63, 0x72,
+	0x6f, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x27, 0x0a, 0x0f, 0x73, 0x65, 0x72, 0x76,
+	0x65, 0x72, 0x5f, 0x77, 0x72, 0x61, 0x70, 0x70, 0x65, 0x72, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28,
+	0x09, 0x52, 0x0e, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x57, 0x72, 0x61, 0x70, 0x70, 0x65, 0x72,
+	0x73, 0x12, 0x27, 0x0a, 0x0f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x77, 0x72, 0x61, 0x70,
+	0x70, 0x65, 0x72, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0e, 0x63, 0x6c, 0x69, 0x65,
+	0x6e, 0x74, 0x57, 0x72, 0x61, 0x70, 0x70, 0x65, 0x72, 0x73, 0x42, 0x4b, 0x0a, 0x09, 0x6d, 0x69,
+	0x63, 0x72, 0x6f, 0x2e, 0x61, 0x70, 0x69, 0x42, 0x0a, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x50, 0x72,
+	0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61,
+	0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x2f, 0x76, 0x33, 0x2f, 0x61, 0x70, 0x69, 0x3b, 0x61, 0x70, 0x69, 0xf8, 0x01, 0x01,
+	0xa2, 0x02, 0x04, 0x4d, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_micro_proto_rawDescOnce sync.Once
+	file_api_micro_proto_rawDescData = file_api_micro_proto_rawDesc
+)
+
+func file_api_micro_proto_rawDescGZIP() []byte {
+	file_api_micro_proto_rawDescOnce.Do(func() {
+		file_api_micro_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_micro_proto_rawDescData)
+	})
+	return file_api_micro_proto_rawDescData
+}
+
+var file_api_micro_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_api_micro_proto_goTypes = []interface{}{
+	(*MicroMethod)(nil),  // 0: micro.api.MicroMethod
+	(*MicroService)(nil), // 1: micro.api.MicroService
+}
+var file_api_micro_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_api_micro_proto_init() }
+func file_api_micro_proto_init() {
+	if File_api_micro_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_api_micro_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MicroMethod); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_micro_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*MicroService); 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_micro_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_micro_proto_goTypes,
+		DependencyIndexes: file_api_micro_proto_depIdxs,
+		MessageInfos:      file_api_micro_proto_msgTypes,
+	}.Build()
+	File_api_micro_proto = out.File
+	file_api_micro_proto_rawDesc = nil
+	file_api_micro_proto_goTypes = nil
+	file_api_micro_proto_depIdxs = nil
+}

api/micro.proto

@@ -0,0 +1,46 @@
+// Copyright 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.
+// 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.
+
+syntax = "proto3";
+
+package micro.api;
+
+option cc_enable_arenas = true;
+option go_package = "go.unistack.org/micro-proto/v3/api;api";
+option java_multiple_files = true;
+option java_outer_classname = "MicroProto";
+option java_package = "micro.api";
+option objc_class_prefix = "MAPI";
+
+// Defines the Micro configuration for a method. It contains a
+// [MicroMethod][micro.api.MicroMethod]
+message MicroMethod {
+  // Timeout for handler
+  int32 timeout = 1;
+  // ServerOptions contains options for server
+  repeated string server_options = 2;
+  // ClientOptions contains options for client
+  repeated string client_options = 3;
+  // Type rpc/pub/sub
+  string type = 4;
+}
+
+// Defines the Micro configuration for a method. It contains a
+// [MicroService][micro.api.MicroService]
+message MicroService {
+  // ServerWrappers contains wrappers for server
+  repeated string server_wrappers = 1;
+  // ClientWrappers contains wrappers for client
+  repeated string client_wrappers = 2;
+}

generate.go

@@ -4,5 +4,7 @@ package main
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/http.proto
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/field_behavior.proto
 //go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/httpbody.proto
+//go:generate protoc -I. -I./api --go_out=paths=source_relative:. ./api/micro.proto
 //go:generate protoc -I. -I./openapiv2 --go_out=paths=source_relative:. ./openapiv2/annotations.proto
-//go:generate protoc -I. -I./openapiv2 --go_out=paths=source_relative:. ./openapiv2/openapiv2.proto
+//go:generate protoc -I. -I./openapiv2 --go_out=paths=source_relative:. ./openapiv2/gopenapiv2.proto
+//go:generate protoc -I. -I./tag --go_out=paths=source_relative:. ./tag/tag.proto

go.mod

@@ -1,8 +1,5 @@
-module github.com/unistack-org/micro-proto
+module go.unistack.org/micro-proto/v3
 
 go 1.16
 
-require (
+require google.golang.org/protobuf v1.27.1
-	github.com/golang/protobuf v1.4.3
-	google.golang.org/protobuf v1.25.0
-)

go.sum

@@ -1,67 +1,8 @@
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-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
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 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
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openapiv2/annotations.pb.go

@@ -1,16 +1,15 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.27.1
-// 	protoc        v3.6.1
+// 	protoc        v3.17.3
 // source: openapiv2/annotations.proto
 
 package openapiv2
 
 import (
-	proto "github.com/golang/protobuf/proto"
-	descriptor "github.com/golang/protobuf/protoc-gen-go/descriptor"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
 	reflect "reflect"
 )
 
@@ -21,105 +20,101 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 var file_openapiv2_annotations_proto_extTypes = []protoimpl.ExtensionInfo{
 	{
-		ExtendedType:  (*descriptor.FileOptions)(nil),
+		ExtendedType:  (*descriptorpb.FileOptions)(nil),
-		ExtensionType: (*Swagger)(nil),
+		ExtensionType: (*Document)(nil),
-		Field:         1042,
+		Field:         847940,
 		Name:          "micro.openapiv2.openapiv2_swagger",
-		Tag:           "bytes,1042,opt,name=openapiv2_swagger",
+		Tag:           "bytes,847940,opt,name=openapiv2_swagger",
 		Filename:      "openapiv2/annotations.proto",
 	},
 	{
-		ExtendedType:  (*descriptor.MethodOptions)(nil),
+		ExtendedType:  (*descriptorpb.MethodOptions)(nil),
 		ExtensionType: (*Operation)(nil),
-		Field:         1042,
+		Field:         847940,
 		Name:          "micro.openapiv2.openapiv2_operation",
-		Tag:           "bytes,1042,opt,name=openapiv2_operation",
+		Tag:           "bytes,847940,opt,name=openapiv2_operation",
 		Filename:      "openapiv2/annotations.proto",
 	},
 	{
-		ExtendedType:  (*descriptor.MessageOptions)(nil),
+		ExtendedType:  (*descriptorpb.MessageOptions)(nil),
 		ExtensionType: (*Schema)(nil),
-		Field:         1042,
+		Field:         847940,
 		Name:          "micro.openapiv2.openapiv2_schema",
-		Tag:           "bytes,1042,opt,name=openapiv2_schema",
+		Tag:           "bytes,847940,opt,name=openapiv2_schema",
 		Filename:      "openapiv2/annotations.proto",
 	},
 	{
-		ExtendedType:  (*descriptor.ServiceOptions)(nil),
+		ExtendedType:  (*descriptorpb.ServiceOptions)(nil),
 		ExtensionType: (*Tag)(nil),
-		Field:         1042,
+		Field:         847940,
 		Name:          "micro.openapiv2.openapiv2_tag",
-		Tag:           "bytes,1042,opt,name=openapiv2_tag",
+		Tag:           "bytes,847940,opt,name=openapiv2_tag",
 		Filename:      "openapiv2/annotations.proto",
 	},
 	{
-		ExtendedType:  (*descriptor.FieldOptions)(nil),
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
-		ExtensionType: (*JSONSchema)(nil),
+		ExtensionType: (*Schema)(nil),
-		Field:         1042,
+		Field:         847940,
 		Name:          "micro.openapiv2.openapiv2_field",
-		Tag:           "bytes,1042,opt,name=openapiv2_field",
+		Tag:           "bytes,847940,opt,name=openapiv2_field",
 		Filename:      "openapiv2/annotations.proto",
 	},
 }
 
-// Extension fields to descriptor.FileOptions.
+// Extension fields to descriptorpb.FileOptions.
 var (
 	// ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
 	//
 	// All IDs are the same, as assigned. It is okay that they are the same, as they extend
 	// different descriptor messages.
 	//
-	// optional micro.openapiv2.Swagger openapiv2_swagger = 1042;
+	// optional micro.openapiv2.Document openapiv2_swagger = 847940;
 	E_Openapiv2Swagger = &file_openapiv2_annotations_proto_extTypes[0]
 )
 
-// Extension fields to descriptor.MethodOptions.
+// Extension fields to descriptorpb.MethodOptions.
 var (
 	// ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
 	//
 	// All IDs are the same, as assigned. It is okay that they are the same, as they extend
 	// different descriptor messages.
 	//
-	// optional micro.openapiv2.Operation openapiv2_operation = 1042;
+	// optional micro.openapiv2.Operation openapiv2_operation = 847940;
 	E_Openapiv2Operation = &file_openapiv2_annotations_proto_extTypes[1]
 )
 
-// Extension fields to descriptor.MessageOptions.
+// Extension fields to descriptorpb.MessageOptions.
 var (
 	// ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
 	//
 	// All IDs are the same, as assigned. It is okay that they are the same, as they extend
 	// different descriptor messages.
 	//
-	// optional micro.openapiv2.Schema openapiv2_schema = 1042;
+	// optional micro.openapiv2.Schema openapiv2_schema = 847940;
 	E_Openapiv2Schema = &file_openapiv2_annotations_proto_extTypes[2]
 )
 
-// Extension fields to descriptor.ServiceOptions.
+// Extension fields to descriptorpb.ServiceOptions.
 var (
 	// ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
 	//
 	// All IDs are the same, as assigned. It is okay that they are the same, as they extend
 	// different descriptor messages.
 	//
-	// optional micro.openapiv2.Tag openapiv2_tag = 1042;
+	// optional micro.openapiv2.Tag openapiv2_tag = 847940;
 	E_Openapiv2Tag = &file_openapiv2_annotations_proto_extTypes[3]
 )
 
-// Extension fields to descriptor.FieldOptions.
+// Extension fields to descriptorpb.FieldOptions.
 var (
 	// ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
 	//
 	// All IDs are the same, as assigned. It is okay that they are the same, as they extend
 	// different descriptor messages.
 	//
-	// optional micro.openapiv2.JSONSchema openapiv2_field = 1042;
+	// optional micro.openapiv2.Schema openapiv2_field = 847940;
 	E_Openapiv2Field = &file_openapiv2_annotations_proto_extTypes[4]
 )
 
@@ -131,57 +126,56 @@ var file_openapiv2_annotations_proto_rawDesc = []byte{
 	0x69, 0x63, 0x72, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x1a, 0x20,
 	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f,
 	0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x1a, 0x19, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x2f, 0x6f, 0x70, 0x65, 0x6e,
+	0x1a, 0x1a, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x2f, 0x67, 0x6f, 0x70, 0x65,
-	0x61, 0x70, 0x69, 0x76, 0x32, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3a, 0x64, 0x0a, 0x11, 0x6f,
+	0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3a, 0x66, 0x0a, 0x11,
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+	0x61, 0x70, 0x69, 0x76, 0x32, 0x54, 0x61, 0x67, 0x3a, 0x61, 0x0a, 0x0f, 0x6f, 0x70, 0x65, 0x6e,
-	0x66, 0x69, 0x65, 0x6c, 0x64, 0x12, 0x1d, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70,
+	0x61, 0x70, 0x69, 0x76, 0x32, 0x5f, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x12, 0x1d, 0x2e, 0x67, 0x6f,
-	0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74,
+	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x46, 0x69,
-	0x69, 0x6f, 0x6e, 0x73, 0x18, 0x92, 0x08, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x6d, 0x69,
+	0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xc4, 0xe0, 0x33, 0x20, 0x01,
-	0x63, 0x72, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x2e, 0x4a, 0x53,
+	0x28, 0x0b, 0x32, 0x17, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x61,
-	0x4f, 0x4e, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x52, 0x0e, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70,
+	0x70, 0x69, 0x76, 0x32, 0x2e, 0x53, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x52, 0x0e, 0x6f, 0x70, 0x65,
-	0x69, 0x76, 0x32, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x42, 0x39, 0x5a, 0x37, 0x67, 0x69, 0x74, 0x68,
+	0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x42, 0x34, 0x5a, 0x32, 0x67,
-	0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2d,
+	0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d,
-	0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f,
+	0x69, 0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x76, 0x33, 0x2f, 0x6f, 0x70,
-	0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x3b, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70,
+	0x65, 0x6e, 0x61, 0x70, 0x69, 0x76, 0x32, 0x3b, 0x6f, 0x70, 0x65, 0x6e, 0x61, 0x70, 0x69, 0x76,
-	0x69, 0x76, 0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var file_openapiv2_annotations_proto_goTypes = []interface{}{
-	(*descriptor.FileOptions)(nil),    // 0: google.protobuf.FileOptions
+	(*descriptorpb.FileOptions)(nil),    // 0: google.protobuf.FileOptions
-	(*descriptor.MethodOptions)(nil),  // 1: google.protobuf.MethodOptions
+	(*descriptorpb.MethodOptions)(nil),  // 1: google.protobuf.MethodOptions
-	(*descriptor.MessageOptions)(nil), // 2: google.protobuf.MessageOptions
+	(*descriptorpb.MessageOptions)(nil), // 2: google.protobuf.MessageOptions
-	(*descriptor.ServiceOptions)(nil), // 3: google.protobuf.ServiceOptions
+	(*descriptorpb.ServiceOptions)(nil), // 3: google.protobuf.ServiceOptions
-	(*descriptor.FieldOptions)(nil),   // 4: google.protobuf.FieldOptions
+	(*descriptorpb.FieldOptions)(nil),   // 4: google.protobuf.FieldOptions
-	(*Swagger)(nil),                   // 5: micro.openapiv2.Swagger
+	(*Document)(nil),                    // 5: micro.openapiv2.Document
-	(*Operation)(nil),                 // 6: micro.openapiv2.Operation
+	(*Operation)(nil),                   // 6: micro.openapiv2.Operation
-	(*Schema)(nil),                    // 7: micro.openapiv2.Schema
+	(*Schema)(nil),                      // 7: micro.openapiv2.Schema
-	(*Tag)(nil),                       // 8: micro.openapiv2.Tag
+	(*Tag)(nil),                         // 8: micro.openapiv2.Tag
-	(*JSONSchema)(nil),                // 9: micro.openapiv2.JSONSchema
 }
 var file_openapiv2_annotations_proto_depIdxs = []int32{
 	0,  // 0: micro.openapiv2.openapiv2_swagger:extendee -> google.protobuf.FileOptions
@@ -189,11 +183,11 @@ var file_openapiv2_annotations_proto_depIdxs = []int32{
 	2,  // 2: micro.openapiv2.openapiv2_schema:extendee -> google.protobuf.MessageOptions
 	3,  // 3: micro.openapiv2.openapiv2_tag:extendee -> google.protobuf.ServiceOptions
 	4,  // 4: micro.openapiv2.openapiv2_field:extendee -> google.protobuf.FieldOptions
-	5,  // 5: micro.openapiv2.openapiv2_swagger:type_name -> micro.openapiv2.Swagger
+	5,  // 5: micro.openapiv2.openapiv2_swagger:type_name -> micro.openapiv2.Document
 	6,  // 6: micro.openapiv2.openapiv2_operation:type_name -> micro.openapiv2.Operation
 	7,  // 7: micro.openapiv2.openapiv2_schema:type_name -> micro.openapiv2.Schema
 	8,  // 8: micro.openapiv2.openapiv2_tag:type_name -> micro.openapiv2.Tag
-	9,  // 9: micro.openapiv2.openapiv2_field:type_name -> micro.openapiv2.JSONSchema
+	7,  // 9: micro.openapiv2.openapiv2_field:type_name -> micro.openapiv2.Schema
 	10, // [10:10] is the sub-list for method output_type
 	10, // [10:10] is the sub-list for method input_type
 	5,  // [5:10] is the sub-list for extension type_name
@@ -206,7 +200,7 @@ func file_openapiv2_annotations_proto_init() {
 	if File_openapiv2_annotations_proto != nil {
 		return
 	}
-	file_openapiv2_openapiv2_proto_init()
+	file_openapiv2_gopenapiv2_proto_init()
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{

openapiv2/annotations.proto

@@ -2,43 +2,43 @@ syntax = "proto3";
 
 package micro.openapiv2;
 
-option go_package = "github.com/unistack-org/micro-proto/openapiv2;openapiv2";
+option go_package = "go.unistack.org/micro-proto/v3/openapiv2;openapiv2";
 
 import "google/protobuf/descriptor.proto";
-import "openapiv2/openapiv2.proto";
+import "openapiv2/gopenapiv2.proto";
 
 extend google.protobuf.FileOptions {
   // ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
   //
   // All IDs are the same, as assigned. It is okay that they are the same, as they extend
   // different descriptor messages.
-  Swagger openapiv2_swagger = 1042;
+  Document openapiv2_swagger = 847940;
 }
 extend google.protobuf.MethodOptions {
   // ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
   //
   // All IDs are the same, as assigned. It is okay that they are the same, as they extend
   // different descriptor messages.
-  Operation openapiv2_operation = 1042;
+  Operation openapiv2_operation = 847940;
 }
 extend google.protobuf.MessageOptions {
   // ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
   //
   // All IDs are the same, as assigned. It is okay that they are the same, as they extend
   // different descriptor messages.
-  Schema openapiv2_schema = 1042;
+  Schema openapiv2_schema = 847940;
 }
 extend google.protobuf.ServiceOptions {
   // ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
   //
   // All IDs are the same, as assigned. It is okay that they are the same, as they extend
   // different descriptor messages.
-  Tag openapiv2_tag = 1042;
+  Tag openapiv2_tag = 847940;
 }
 extend google.protobuf.FieldOptions {
   // ID assigned by protobuf-global-extension-registry@google.com for gRPC-Gateway project.
   //
   // All IDs are the same, as assigned. It is okay that they are the same, as they extend
   // different descriptor messages.
-  JSONSchema openapiv2_field = 1042;
+  Schema openapiv2_field = 847940;
 }

openapiv2/gopenapiv2.proto

@@ -0,0 +1,665 @@
+// Copyright 2020 Google LLC. All Rights Reserved.
+//
+// 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.
+
+// THIS FILE IS AUTOMATICALLY GENERATED.
+
+syntax = "proto3";
+
+package micro.openapiv2;
+
+import "google/protobuf/any.proto";
+
+// This option lets the proto compiler generate Java code inside the package
+// name (see below) instead of inside an outer class. It creates a simpler
+// developer experience by reducing one-level of name nesting and be
+// consistent with most programming languages that don't support outer classes.
+option java_multiple_files = true;
+
+// The Java outer classname should be the filename in UpperCamelCase. This
+// class is only used to hold proto descriptor, so developers don't need to
+// work with it directly.
+option java_outer_classname = "OpenAPIProto";
+
+// The Java package name must be proto package name with proper prefix.
+option java_package = "micro.openapiv2";
+
+// A reasonable prefix for the Objective-C symbols generated from the package.
+// It should at a minimum be 3 characters long, all uppercase, and convention
+// is to use an abbreviation of the package name. Something short, but
+// hopefully unique enough to not conflict with things that may come along in
+// the future. 'GPB' is reserved for the protocol buffer implementation itself.
+option objc_class_prefix = "OAS";
+
+// The Go package name.
+option go_package = "go.unistack.org/micro-proto/v3/openapiv2;openapiv2";
+
+message AdditionalPropertiesItem {
+  oneof oneof {
+    Schema schema = 1;
+    bool boolean = 2;
+  }
+}
+
+message Any {
+  google.protobuf.Any value = 1;
+  string yaml = 2;
+}
+
+message ApiKeySecurity {
+  string type = 1;
+  string name = 2;
+  string in = 3;
+  string description = 4;
+  repeated NamedAny vendor_extension = 5;
+}
+
+message BasicAuthenticationSecurity {
+  string type = 1;
+  string description = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+message BodyParameter {
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 1;
+  // The name of the parameter.
+  string name = 2;
+  // Determines the location of the parameter.
+  string in = 3;
+  // Determines whether or not this parameter is required or optional.
+  bool required = 4;
+  Schema schema = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+// Contact information for the owners of the API.
+message Contact {
+  // The identifying name of the contact person/organization.
+  string name = 1;
+  // The URL pointing to the contact information.
+  string url = 2;
+  // The email address of the contact person/organization.
+  string email = 3;
+  repeated NamedAny vendor_extension = 4;
+}
+
+message Default {
+  repeated NamedAny additional_properties = 1;
+}
+
+// One or more JSON objects describing the schemas being consumed and produced by the API.
+message Definitions {
+  repeated NamedSchema additional_properties = 1;
+}
+
+message Document {
+  // The Swagger version of this document.
+  string swagger = 1;
+  Info info = 2;
+  // The host (name or ip) of the API. Example: 'swagger.io'
+  string host = 3;
+  // The base path to the API. Example: '/api'.
+  string base_path = 4;
+  // The transfer protocol of the API.
+  repeated string schemes = 5;
+  // A list of MIME types accepted by the API.
+  repeated string consumes = 6;
+  // A list of MIME types the API can produce.
+  repeated string produces = 7;
+  Paths paths = 8;
+  Definitions definitions = 9;
+  ParameterDefinitions parameters = 10;
+  ResponseDefinitions responses = 11;
+  repeated SecurityRequirement security = 12;
+  SecurityDefinitions security_definitions = 13;
+  repeated Tag tags = 14;
+  ExternalDocs external_docs = 15;
+  repeated NamedAny vendor_extension = 16;
+}
+
+message Examples {
+  repeated NamedAny additional_properties = 1;
+}
+
+// information about external documentation
+message ExternalDocs {
+  string description = 1;
+  string url = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+// A deterministic version of a JSON Schema object.
+message FileSchema {
+  string format = 1;
+  string title = 2;
+  string description = 3;
+  Any default = 4;
+  repeated string required = 5;
+  string type = 6;
+  bool read_only = 7;
+  ExternalDocs external_docs = 8;
+  Any example = 9;
+  repeated NamedAny vendor_extension = 10;
+}
+
+message FormDataParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  // allows sending a parameter by name only or with an empty value.
+  bool allow_empty_value = 5;
+  string type = 6;
+  string format = 7;
+  PrimitivesItems items = 8;
+  string collection_format = 9;
+  Any default = 10;
+  double maximum = 11;
+  bool exclusive_maximum = 12;
+  double minimum = 13;
+  bool exclusive_minimum = 14;
+  int64 max_length = 15;
+  int64 min_length = 16;
+  string pattern = 17;
+  int64 max_items = 18;
+  int64 min_items = 19;
+  bool unique_items = 20;
+  repeated Any enum = 21;
+  double multiple_of = 22;
+  repeated NamedAny vendor_extension = 23;
+}
+
+message Header {
+  string type = 1;
+  string format = 2;
+  PrimitivesItems items = 3;
+  string collection_format = 4;
+  Any default = 5;
+  double maximum = 6;
+  bool exclusive_maximum = 7;
+  double minimum = 8;
+  bool exclusive_minimum = 9;
+  int64 max_length = 10;
+  int64 min_length = 11;
+  string pattern = 12;
+  int64 max_items = 13;
+  int64 min_items = 14;
+  bool unique_items = 15;
+  repeated Any enum = 16;
+  double multiple_of = 17;
+  string description = 18;
+  repeated NamedAny vendor_extension = 19;
+}
+
+message HeaderParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  string type = 5;
+  string format = 6;
+  PrimitivesItems items = 7;
+  string collection_format = 8;
+  Any default = 9;
+  double maximum = 10;
+  bool exclusive_maximum = 11;
+  double minimum = 12;
+  bool exclusive_minimum = 13;
+  int64 max_length = 14;
+  int64 min_length = 15;
+  string pattern = 16;
+  int64 max_items = 17;
+  int64 min_items = 18;
+  bool unique_items = 19;
+  repeated Any enum = 20;
+  double multiple_of = 21;
+  repeated NamedAny vendor_extension = 22;
+}
+
+message Headers {
+  repeated NamedHeader additional_properties = 1;
+}
+
+// General information about the API.
+message Info {
+  // A unique and precise title of the API.
+  string title = 1;
+  // A semantic version number of the API.
+  string version = 2;
+  // A longer description of the API. Should be different from the title.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The terms of service for the API.
+  string terms_of_service = 4;
+  Contact contact = 5;
+  License license = 6;
+  repeated NamedAny vendor_extension = 7;
+}
+
+message ItemsItem {
+  repeated Schema schema = 1;
+}
+
+message JsonReference {
+  string _ref = 1;
+  string description = 2;
+}
+
+message License {
+  // The name of the license type. It's encouraged to use an OSI compatible license.
+  string name = 1;
+  // The URL pointing to the license.
+  string url = 2;
+  repeated NamedAny vendor_extension = 3;
+}
+
+// Automatically-generated message used to represent maps of Any as ordered (name,value) pairs.
+message NamedAny {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Any value = 2;
+}
+
+// Automatically-generated message used to represent maps of Header as ordered (name,value) pairs.
+message NamedHeader {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Header value = 2;
+}
+
+// Automatically-generated message used to represent maps of Parameter as ordered (name,value) pairs.
+message NamedParameter {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Parameter value = 2;
+}
+
+// Automatically-generated message used to represent maps of PathItem as ordered (name,value) pairs.
+message NamedPathItem {
+  // Map key
+  string name = 1;
+  // Mapped value
+  PathItem value = 2;
+}
+
+// Automatically-generated message used to represent maps of Response as ordered (name,value) pairs.
+message NamedResponse {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Response value = 2;
+}
+
+// Automatically-generated message used to represent maps of ResponseValue as ordered (name,value) pairs.
+message NamedResponseValue {
+  // Map key
+  string name = 1;
+  // Mapped value
+  ResponseValue value = 2;
+}
+
+// Automatically-generated message used to represent maps of Schema as ordered (name,value) pairs.
+message NamedSchema {
+  // Map key
+  string name = 1;
+  // Mapped value
+  Schema value = 2;
+}
+
+// Automatically-generated message used to represent maps of SecurityDefinitionsItem as ordered (name,value) pairs.
+message NamedSecurityDefinitionsItem {
+  // Map key
+  string name = 1;
+  // Mapped value
+  SecurityDefinitionsItem value = 2;
+}
+
+// Automatically-generated message used to represent maps of string as ordered (name,value) pairs.
+message NamedString {
+  // Map key
+  string name = 1;
+  // Mapped value
+  string value = 2;
+}
+
+// Automatically-generated message used to represent maps of StringArray as ordered (name,value) pairs.
+message NamedStringArray {
+  // Map key
+  string name = 1;
+  // Mapped value
+  StringArray value = 2;
+}
+
+message NonBodyParameter {
+  oneof oneof {
+    HeaderParameterSubSchema header_parameter_sub_schema = 1;
+    FormDataParameterSubSchema form_data_parameter_sub_schema = 2;
+    QueryParameterSubSchema query_parameter_sub_schema = 3;
+    PathParameterSubSchema path_parameter_sub_schema = 4;
+  }
+}
+
+message Oauth2AccessCodeSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string authorization_url = 4;
+  string token_url = 5;
+  string description = 6;
+  repeated NamedAny vendor_extension = 7;
+}
+
+message Oauth2ApplicationSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string token_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2ImplicitSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string authorization_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2PasswordSecurity {
+  string type = 1;
+  string flow = 2;
+  Oauth2Scopes scopes = 3;
+  string token_url = 4;
+  string description = 5;
+  repeated NamedAny vendor_extension = 6;
+}
+
+message Oauth2Scopes {
+  repeated NamedString additional_properties = 1;
+}
+
+message Operation {
+  repeated string tags = 1;
+  // A brief summary of the operation.
+  string summary = 2;
+  // A longer description of the operation, GitHub Flavored Markdown is allowed.
+  string description = 3;
+  ExternalDocs external_docs = 4;
+  // A unique identifier of the operation.
+  string operation_id = 5;
+  // A list of MIME types the API can produce.
+  repeated string produces = 6;
+  // A list of MIME types the API can consume.
+  repeated string consumes = 7;
+  // The parameters needed to send a valid API call.
+  repeated ParametersItem parameters = 8;
+  Responses responses = 9;
+  // The transfer protocol of the API.
+  repeated string schemes = 10;
+  bool deprecated = 11;
+  repeated SecurityRequirement security = 12;
+  repeated NamedAny vendor_extension = 13;
+}
+
+message Parameter {
+  oneof oneof {
+    BodyParameter body_parameter = 1;
+    NonBodyParameter non_body_parameter = 2;
+  }
+}
+
+// One or more JSON representations for parameters
+message ParameterDefinitions {
+  repeated NamedParameter additional_properties = 1;
+}
+
+message ParametersItem {
+  oneof oneof {
+    Parameter parameter = 1;
+    JsonReference json_reference = 2;
+  }
+}
+
+message PathItem {
+  string _ref = 1;
+  Operation get = 2;
+  Operation put = 3;
+  Operation post = 4;
+  Operation delete = 5;
+  Operation options = 6;
+  Operation head = 7;
+  Operation patch = 8;
+  // The parameters needed to send a valid API call.
+  repeated ParametersItem parameters = 9;
+  repeated NamedAny vendor_extension = 10;
+}
+
+message PathParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  string type = 5;
+  string format = 6;
+  PrimitivesItems items = 7;
+  string collection_format = 8;
+  Any default = 9;
+  double maximum = 10;
+  bool exclusive_maximum = 11;
+  double minimum = 12;
+  bool exclusive_minimum = 13;
+  int64 max_length = 14;
+  int64 min_length = 15;
+  string pattern = 16;
+  int64 max_items = 17;
+  int64 min_items = 18;
+  bool unique_items = 19;
+  repeated Any enum = 20;
+  double multiple_of = 21;
+  repeated NamedAny vendor_extension = 22;
+}
+
+// Relative paths to the individual endpoints. They must be relative to the 'basePath'.
+message Paths {
+  repeated NamedAny vendor_extension = 1;
+  repeated NamedPathItem path = 2;
+}
+
+message PrimitivesItems {
+  string type = 1;
+  string format = 2;
+  PrimitivesItems items = 3;
+  string collection_format = 4;
+  Any default = 5;
+  double maximum = 6;
+  bool exclusive_maximum = 7;
+  double minimum = 8;
+  bool exclusive_minimum = 9;
+  int64 max_length = 10;
+  int64 min_length = 11;
+  string pattern = 12;
+  int64 max_items = 13;
+  int64 min_items = 14;
+  bool unique_items = 15;
+  repeated Any enum = 16;
+  double multiple_of = 17;
+  repeated NamedAny vendor_extension = 18;
+}
+
+message Properties {
+  repeated NamedSchema additional_properties = 1;
+}
+
+message QueryParameterSubSchema {
+  // Determines whether or not this parameter is required or optional.
+  bool required = 1;
+  // Determines the location of the parameter.
+  string in = 2;
+  // A brief description of the parameter. This could contain examples of use.  GitHub Flavored Markdown is allowed.
+  string description = 3;
+  // The name of the parameter.
+  string name = 4;
+  // allows sending a parameter by name only or with an empty value.
+  bool allow_empty_value = 5;
+  string type = 6;
+  string format = 7;
+  PrimitivesItems items = 8;
+  string collection_format = 9;
+  Any default = 10;
+  double maximum = 11;
+  bool exclusive_maximum = 12;
+  double minimum = 13;
+  bool exclusive_minimum = 14;
+  int64 max_length = 15;
+  int64 min_length = 16;
+  string pattern = 17;
+  int64 max_items = 18;
+  int64 min_items = 19;
+  bool unique_items = 20;
+  repeated Any enum = 21;
+  double multiple_of = 22;
+  repeated NamedAny vendor_extension = 23;
+}
+
+message Response {
+  string description = 1;
+  SchemaItem schema = 2;
+  Headers headers = 3;
+  Examples examples = 4;
+  repeated NamedAny vendor_extension = 5;
+}
+
+// One or more JSON representations for responses
+message ResponseDefinitions {
+  repeated NamedResponse additional_properties = 1;
+}
+
+message ResponseValue {
+  oneof oneof {
+    Response response = 1;
+    JsonReference json_reference = 2;
+  }
+}
+
+// Response objects names can either be any valid HTTP status code or 'default'.
+message Responses {
+  repeated NamedResponseValue response_code = 1;
+  repeated NamedAny vendor_extension = 2;
+}
+
+// A deterministic version of a JSON Schema object.
+message Schema {
+  string _ref = 1;
+  string format = 2;
+  string title = 3;
+  string description = 4;
+  Any default = 5;
+  double multiple_of = 6;
+  double maximum = 7;
+  bool exclusive_maximum = 8;
+  double minimum = 9;
+  bool exclusive_minimum = 10;
+  int64 max_length = 11;
+  int64 min_length = 12;
+  string pattern = 13;
+  int64 max_items = 14;
+  int64 min_items = 15;
+  bool unique_items = 16;
+  int64 max_properties = 17;
+  int64 min_properties = 18;
+  repeated string required = 19;
+  repeated Any enum = 20;
+  AdditionalPropertiesItem additional_properties = 21;
+  TypeItem type = 22;
+  ItemsItem items = 23;
+  repeated Schema all_of = 24;
+  Properties properties = 25;
+  string discriminator = 26;
+  bool read_only = 27;
+  Xml xml = 28;
+  ExternalDocs external_docs = 29;
+  Any example = 30;
+  repeated NamedAny vendor_extension = 31;
+}
+
+message SchemaItem {
+  oneof oneof {
+    Schema schema = 1;
+    FileSchema file_schema = 2;
+  }
+}
+
+message SecurityDefinitions {
+  repeated NamedSecurityDefinitionsItem additional_properties = 1;
+}
+
+message SecurityDefinitionsItem {
+  oneof oneof {
+    BasicAuthenticationSecurity basic_authentication_security = 1;
+    ApiKeySecurity api_key_security = 2;
+    Oauth2ImplicitSecurity oauth2_implicit_security = 3;
+    Oauth2PasswordSecurity oauth2_password_security = 4;
+    Oauth2ApplicationSecurity oauth2_application_security = 5;
+    Oauth2AccessCodeSecurity oauth2_access_code_security = 6;
+  }
+}
+
+message SecurityRequirement {
+  repeated NamedStringArray additional_properties = 1;
+}
+
+message StringArray {
+  repeated string value = 1;
+}
+
+message Tag {
+  string name = 1;
+  string description = 2;
+  ExternalDocs external_docs = 3;
+  repeated NamedAny vendor_extension = 4;
+}
+
+message TypeItem {
+  repeated string value = 1;
+}
+
+// Any property starting with x- is valid.
+message VendorExtension {
+  repeated NamedAny additional_properties = 1;
+}
+
+message Xml {
+  string name = 1;
+  string namespace = 2;
+  string prefix = 3;
+  bool attribute = 4;
+  bool wrapped = 5;
+  repeated NamedAny vendor_extension = 6;
+}

openapiv2/openapiv2.go

@@ -0,0 +1 @@
+package openapiv2 // import "go.unistack.org/micro-proto/v3/openapiv2"

openapiv2/openapiv2.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package micro.openapiv2;
 
-option go_package = "github.com/unistack-org/micro-proto/openapiv2;openapiv2";
+option go_package = "go.unistack.org/micro-proto/v3/openapiv2;openapiv2";
 
 import "google/protobuf/struct.proto";
 
@@ -97,7 +97,7 @@ message Swagger {
   // service objects into OpenAPI v2 Tag objects.
   reserved 13;
   // Additional external documentation.
-  ExternalDocumentation external_docs = 14;
+  ExternalDocs external_docs = 14;
   map<string, google.protobuf.Value> extensions = 15;
 }
 
@@ -137,7 +137,7 @@ message Operation {
   // rich text representation.
   string description = 3;
   // Additional external documentation for this operation.
-  ExternalDocumentation external_docs = 4;
+  ExternalDocs external_docs = 4;
   // Unique string used to identify the operation. The id MUST be unique among
   // all operations described in the API. Tools and libraries MAY use the
   // operationId to uniquely identify an operation, therefore, it is recommended
@@ -299,16 +299,6 @@ message Info {
 //    ...
 //  };
 //
-message Contact {
-  // The identifying name of the contact person/organization.
-  string name = 1;
-  // The URL pointing to the contact information. MUST be in the format of a
-  // URL.
-  string url = 2;
-  // The email address of the contact person/organization. MUST be in the format
-  // of an email address.
-  string email = 3;
-}
 
 // `License` is a representation of OpenAPI v2 specification's License object.
 //
@@ -328,15 +318,8 @@ message Contact {
 //    ...
 //  };
 //
-message License {
-  // The license name used for the API.
-  string name = 1;
-  // A URL to the license used for the API. MUST be in the format of a URL.
-  string url = 2;
-}
 
-// `ExternalDocumentation` is a representation of OpenAPI v2 specification's
+// ExternalDocs object.
-// ExternalDocumentation object.
 //
 // See: https://github.com/OAI/OpenAPI-Specification/blob/3.0.0/versions/2.0.md#externalDocumentationObject
 //
@@ -351,14 +334,6 @@ message License {
 //    ...
 //  };
 //
-message ExternalDocumentation {
-  // A short description of the target documentation. GFM syntax can be used for
-  // rich text representation.
-  string description = 1;
-  // The URL for the target documentation. Value MUST be in the format
-  // of a URL.
-  string url = 2;
-}
 
 // `Schema` is a representation of OpenAPI v2 specification's Schema object.
 //
@@ -381,7 +356,7 @@ message Schema {
   // field 4 is reserved for 'xml'.
   reserved 4;
   // Additional external documentation for this schema.
-  ExternalDocumentation external_docs = 5;
+  ExternalDocs external_docs = 5;
   // A free-form property to include an example of an instance for this schema in JSON.
   // This is copied verbatim to the output.
   string example = 6;
@@ -525,7 +500,7 @@ message Tag {
   // representation.
   string description = 2;
   // Additional external documentation for this tag.
-  ExternalDocumentation external_docs = 3;
+  ExternalDocs external_docs = 3;
 }
 
 // `SecurityDefinitions` is a representation of OpenAPI v2 specification's

openapiv3/openapiv3.go

@@ -0,0 +1 @@
+package openapiv3 // import "go.unistack.org/micro-proto/v3/openapiv3"

tag/tag.go

@@ -0,0 +1 @@
+package tag // import "go.unistack.org/micro-proto/v3/tag"

tag/tag.pb.go

@@ -0,0 +1,131 @@
+// Copyright 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.
+// 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.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: tag/tag.proto
+
+package tag
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	descriptorpb "google.golang.org/protobuf/types/descriptorpb"
+	reflect "reflect"
+)
+
+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)
+)
+
+var file_tag_tag_proto_extTypes = []protoimpl.ExtensionInfo{
+	{
+		ExtendedType:  (*descriptorpb.FieldOptions)(nil),
+		ExtensionType: (*string)(nil),
+		Field:         847939,
+		Name:          "micro.tag.tags",
+		Tag:           "bytes,847939,opt,name=tags",
+		Filename:      "tag/tag.proto",
+	},
+	{
+		ExtendedType:  (*descriptorpb.OneofOptions)(nil),
+		ExtensionType: (*string)(nil),
+		Field:         847939,
+		Name:          "micro.tag.oneof_tags",
+		Tag:           "bytes,847939,opt,name=oneof_tags",
+		Filename:      "tag/tag.proto",
+	},
+}
+
+// Extension fields to descriptorpb.FieldOptions.
+var (
+	// Multiple Tags can be spcified.
+	//
+	// optional string tags = 847939;
+	E_Tags = &file_tag_tag_proto_extTypes[0]
+)
+
+// Extension fields to descriptorpb.OneofOptions.
+var (
+	// Multiple Tags can be spcified.
+	//
+	// optional string oneof_tags = 847939;
+	E_OneofTags = &file_tag_tag_proto_extTypes[1]
+)
+
+var File_tag_tag_proto protoreflect.FileDescriptor
+
+var file_tag_tag_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x74, 0x61, 0x67, 0x2f, 0x74, 0x61, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x74, 0x61, 0x67, 0x1a, 0x20, 0x67, 0x6f, 0x6f, 0x67,
+	0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64, 0x65, 0x73, 0x63,
+	0x72, 0x69, 0x70, 0x74, 0x6f, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3a, 0x33, 0x0a, 0x04,
+	0x74, 0x61, 0x67, 0x73, 0x12, 0x1d, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x46, 0x69, 0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x69,
+	0x6f, 0x6e, 0x73, 0x18, 0xc3, 0xe0, 0x33, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x61, 0x67,
+	0x73, 0x3a, 0x3e, 0x0a, 0x0a, 0x6f, 0x6e, 0x65, 0x6f, 0x66, 0x5f, 0x74, 0x61, 0x67, 0x73, 0x12,
+	0x1d, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+	0x66, 0x2e, 0x4f, 0x6e, 0x65, 0x6f, 0x66, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0xc3,
+	0xe0, 0x33, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x6f, 0x6e, 0x65, 0x6f, 0x66, 0x54, 0x61, 0x67,
+	0x73, 0x42, 0x4b, 0x0a, 0x09, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 0x74, 0x61, 0x67, 0x42, 0x0a,
+	0x4d, 0x69, 0x63, 0x72, 0x6f, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x6f,
+	0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69,
+	0x63, 0x72, 0x6f, 0x2d, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x76, 0x33, 0x2f, 0x74, 0x61, 0x67,
+	0x3b, 0x74, 0x61, 0x67, 0xf8, 0x01, 0x01, 0xa2, 0x02, 0x04, 0x4d, 0x54, 0x41, 0x47, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_tag_tag_proto_goTypes = []interface{}{
+	(*descriptorpb.FieldOptions)(nil), // 0: google.protobuf.FieldOptions
+	(*descriptorpb.OneofOptions)(nil), // 1: google.protobuf.OneofOptions
+}
+var file_tag_tag_proto_depIdxs = []int32{
+	0, // 0: micro.tag.tags:extendee -> google.protobuf.FieldOptions
+	1, // 1: micro.tag.oneof_tags:extendee -> google.protobuf.OneofOptions
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	0, // [0:2] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_tag_tag_proto_init() }
+func file_tag_tag_proto_init() {
+	if File_tag_tag_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_tag_tag_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 2,
+			NumServices:   0,
+		},
+		GoTypes:           file_tag_tag_proto_goTypes,
+		DependencyIndexes: file_tag_tag_proto_depIdxs,
+		ExtensionInfos:    file_tag_tag_proto_extTypes,
+	}.Build()
+	File_tag_tag_proto = out.File
+	file_tag_tag_proto_rawDesc = nil
+	file_tag_tag_proto_goTypes = nil
+	file_tag_tag_proto_depIdxs = nil
+}

tag/tag.proto

@@ -0,0 +1,37 @@
+// Copyright 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.
+// 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.
+
+syntax = "proto3";
+
+package micro.tag;
+
+import "google/protobuf/descriptor.proto";
+
+option cc_enable_arenas = true;
+option go_package = "go.unistack.org/micro-proto/v3/tag;tag";
+option java_multiple_files = true;
+option java_outer_classname = "MicroProto";
+option java_package = "micro.tag";
+option objc_class_prefix = "MTAG";
+
+// Tags are applied at the field level
+extend google.protobuf.FieldOptions {
+  // Multiple Tags can be spcified.
+  string tags = 847939;
+}
+
+extend google.protobuf.OneofOptions {
+  // Multiple Tags can be spcified.
+  string oneof_tags = 847939;
+}