feat(transport): add endpoint option for server (#2904)

* deps: upgrade kratos version to v2.6.3

* fix ci

* go mod tidy

* upgrade 1.19

.github/ISSUE_TEMPLATE/feature-request.md

@@ -43,7 +43,7 @@ example:
 ### Requirements description of the feature
 <!--
 example:
-    The event interface should be added to Kratos. The interface should contain subscribers and publishers, and the message body should contain key value heade
+    The event interface should be added to Kratos. The interface should contain subscribers and publishers, and the message body should contain key value head
 -->
 ### References
 <!--

.github/dependabot.yml

@@ -0,0 +1,87 @@
+---
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/config/apollo"
+    schedule:
+      interval: "weekly"    
+  - package-ecosystem: "gomod"
+    directory: "/contrib/config/consul"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/config/etcd"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/config/kubernetes"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/config/nacos"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/encoding/msgpack"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/log/aliyun"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/log/zap"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/log/fluent"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/metrics/datadog"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/metrics/prometheus"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/opensergo"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/apollo"
+    schedule:
+      interval: "weekly"    
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/consul"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/etcd"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/kubernetes"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/nacos"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/zookeeper"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/eureka"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "gomod"
+    directory: "/contrib/registry/polaris"
+    schedule:
+      interval: "weekly"

.github/pull_request_template.md

@@ -3,24 +3,21 @@
 
 1. If this is your first time contributing to Kratos, please read our contribution guide: https://go-kratos.dev/en/docs/community/contribution/
 2. Ensure you have added or ran the appropriate tests and lint for your PR, please use `make lint` and `make test` before filing your PR, use `make clean` to tidy your go mod.
-3. If the PR is unfinished, you may need mark it as a WIP(Work In Progress) PR or draft PR
-4. Please use a conventional commits format title: `<type>[optional scope]: <description>`
-    
-    Some suggestion on <type>:
-
-    fix: A bug fix
-    feat: A new feature
-    test: Adding missing tests or correcting existing tests
-    refactor: A code change that neither fixes a bug nor adds a feature
-    break: Changes has break change
-
-    docs: Documentation only changes
-    deps: Changes external dependencies
-    style: Changes that do not affect the meaning of the code (white-space, formatting, etc)
-    chore Daily work, examples, etc.
-    ci: Changes to our CI configuration files and scripts
+3. If the PR is unfinished, you may need to mark it as a WIP(Work In Progress) PR or Draft PR
+4. Please use a semantic commits format title, such as `<type>[optional scope]: <description>`, see: https://go-kratos.dev/docs/community/contribution#type
+5. at the same time, please note that similar work should be submitted in one PR as far as possible to reduce the workload of reviewers. Do not split a work into multiple PR unless it should.
 -->
 
+<!--
+🎉 感谢您向 Kratos 发送 PR！以下是一些提示：
+如果这是你第一次为 Kratos 贡献，请阅读我们的贡献指南：https://go-kratos.dev/en/docs/community/contribution/
+2、确保您已经为您的 PR 添加或运行了适当的测试和lint，请在提交PR之前使用“make lint”和“make test”，使用“make clean”整理您的 go.mod。
+3、如果 PR 未完成，您可能需要将其标记为 WIP（Work In Progress）PR 或 Draft PR
+4、请使用语义提交格式标题，如“<类型>[可选范围]：<说明>`，请参阅：https://go-kratos.dev/docs/community/contribution#type
+5. 同时请注意，同类的工作请尽量在一个PR中提交，以减轻 review 者的工作负担，不要把一项工作拆分成很多个PR，除非它应该这样做。
+-->
+
+
 #### Description (what this PR does / why we need it):
 <!--
 * The description should include the motivation for this PR or contrast this with previous behavior
@@ -30,14 +27,14 @@
 #### Which issue(s) this PR fixes (resolves / be part of):
 <!--
 * Automatically closes linked issue when PR is merged.
-* If you PR is not fully resolved issue, please use `part of #<issue number>` instead.
+* If your PR is not fully resolved the issue, please use `part of #<issue number>` instead.
 
 Usage: `fixes/resolves #<issue number>`, or `fixes/resolves (paste link of issue)`.
 -->
-fixes #
 
-#### Other special notes for reviewer:
+
+#### Other special notes for the reviewers:
 <!--
-* Somethings that need extra attention for reviewer
+* Somethings that need extra attention for the reviewers
 * Some additional notes, TODO list, etc.
 -->

.github/semantic.yml

@@ -0,0 +1,33 @@
+titleOnly: true
+commitOnly: false
+titleAndCommits: false
+scopes:
+  - api
+  - cmd
+  - config
+  - contrib
+  - docs
+  - encoding
+  - hack
+  - internal
+  - log
+  - metadata
+  - metrics
+  - middleware
+  - registry
+  - selector
+  - third_party
+  - transport
+types:
+  - deps
+  - feat
+  - fix
+  - docs
+  - style
+  - refactor
+  - perf
+  - test
+  - build
+  - ci
+  - chore
+  - revert

.github/stable.yml

@@ -0,0 +1,12 @@
+daysUntilStale: 30
+daysUntilClose: 3
+exemptLabels:
+  - pinned
+  - security
+  - bug
+staleLabel: wontfix
+markComment: >
+  This issue has been automatically marked as stale because it has not had
+  recent activity. It will be closed if no further activity occurs. Thank you
+  for your contributions.
+closeComment: true

.github/workflows/codeql-analysis.yml

@@ -11,12 +11,12 @@ jobs:
 
     steps:
     - name: Checkout repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
 
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: go
 
     - name: CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/gitee-sync.yml

@@ -2,6 +2,8 @@ on:
   push:
     branches:
       - main
+    tags:
+      - "*"
 
 name: Sync to Gitee
 jobs:
@@ -10,9 +12,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v3
       - name: Mirror Github to Gitee
-        uses: Yikun/hub-mirror-action@v1.0
+        uses: Yikun/hub-mirror-action@v1.2
         with:
           src: github/go-kratos
           dst: gitee/go-kratos

.github/workflows/go.yml

@@ -11,6 +11,9 @@ on:
 
 jobs:
   build:
+    strategy:
+      matrix:
+        go: [1.19,1.20.x]
     name: build & test
     runs-on: ubuntu-latest
     services:
@@ -22,22 +25,43 @@ jobs:
           ETCD_LISTEN_CLIENT_URLS: http://0.0.0.0:2379
           ETCD_ADVERTISE_CLIENT_URLS: http://0.0.0.0:2379
       consul:
-        image: consul:latest
+        image: consul:1.12.3
         ports:
           - 8500:8500
       nacos:
-        image: nacos/nacos-server:latest
+        image: nacos/nacos-server:v2.1.0
         env:
           MODE: standalone
         ports:
           - "8848:8848"
           - "9848:9848"
+      polaris:
+        image: polarismesh/polaris-standalone:latest
+        ports:
+          - 8090:8090
+          - 8091:8091
+          - 8093:8093
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v4.0.1
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Setup Environment
+        run: |
+          echo "GOPATH=$(go env GOPATH)" >> $GITHUB_ENV
+          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
+
+      - name: Module cache
+        uses: actions/cache@v3
         with:
-          go-version: 1.16
+          path: |
+            ~/.cache/go-build
+            ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go
 
       - name: Build
         run: go build ./...
@@ -59,9 +83,3 @@ jobs:
           cd cmd/protoc-gen-go-http
           go build ./...
           go test ./...
-
-      - name: Examples
-        run: |
-          cd examples
-          go build ./...
-          go test ./...

.github/workflows/issue-translator.yml

@@ -0,0 +1,16 @@
+name: 'issue-translator'
+on:
+  issue_comment:
+    types: [created]
+  issues:
+    types: [opened]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: usthe/issues-translate-action@v2.7
+        with:
+          IS_MODIFY_TITLE: true
+          CUSTOM_BOT_NOTE: Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿
+          BOT_GITHUB_TOKEN: ${{ secrets.BOT_GITHUB_TOKEN }}

.github/workflows/lint.yml

@@ -15,7 +15,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - id: set-matrix
         run: ./hack/resolve-modules.sh
@@ -27,9 +27,9 @@ jobs:
     strategy:
       matrix: ${{ fromJson(needs.resolve-modules.outputs.matrix) }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
           version: latest
           working-directory: ${{ matrix.workdir }}

.gitignore

@@ -3,7 +3,6 @@
 *.exe
 *.exe~
 *.dll
-*.so
 *.dylib
 
 # Test binary, built with `go test -c`
@@ -15,6 +14,10 @@
 # Dependency directories (remove the comment below to include it)
 vendor/
 
+# Go workspace file
+go.work
+go.work.sum
+
 # Compiled Object files, Static and Dynamic libs (Shared Objects)
 *.o
 *.a

.golangci.yml

@@ -28,10 +28,10 @@ linters:
     - structcheck
     - typecheck
     - unused
-    - unconvert
     - varcheck
     - whitespace
     - wastedassign
+    - unconvert
 
   # don't enable:
   # - asciicheck
@@ -57,12 +57,15 @@ linters-settings:
   lll:
     line-length: 160
   gomnd:
-    settings:
-      mnd:
-        # don't include the "operation", "argument" and "assign"
-        checks: case,condition,return
+    # don't include the "operation", "argument" and "assign"
+    checks: 
+      - case
+      - condition
+      - return
   goconst:
     ignore-tests: true
   gocyclo:
     # recommend 10-20
-    min-complexity: 30
+    min-complexity: 50
+  goimports:
+    local-prefixes: github.com/go-kratos # Put imports beginning with prefix after 3rd-party packages

CONTRIBUTING.md

@@ -1,7 +1,7 @@
 The kratos community wants to be helped by a wide range of developers, so you'd like to take a few minutes to read this guide before you mention the problem or pull request.
 
-## Reportings Bug or Fixing Bugs
-We use github issues to manage issues. If you want to submit , first make sure you've searched for existing issues, pull requests and read our [FAQ](https://go-kratos.dev/docs/intro/faq).
+## Reporting Bug or Fixing Bugs
+We use GitHub issues to manage issues. If you want to submit , first make sure you've searched for existing issues, pull requests and read our [FAQ](https://go-kratos.dev/docs/intro/faq).
 
 When submitting a bug report, use the issue template we provide to clearly describe the problems encountered and how to reproduce, and if convenient it is best to provide a minimal reproduce repository.
 
@@ -16,9 +16,9 @@ After the function is implemented, a merge request will be initiated to associat
 After the merge is completed, Close all issues.
 
 ## How to submit code
-If you've never submitted code on github, follow these steps:
+If you've never submitted code on GitHub, follow these steps:
 
-- First, please fork items to your github account
+- First, please fork items to your GitHub account
 - Then create a new feature branch based on the main branch and name it features such as feature-log 
 - Write code
 - Submit code to the far end branch

Makefile

@@ -1,9 +1,27 @@
 user	:=	$(shell whoami)
 rev 	:= 	$(shell git rev-parse --short HEAD)
+os		:=	$(shell expr substr $(shell uname -s) 1 5)
 
 # GOBIN > GOPATH > INSTALLDIR
+# Mac OS X
+ifeq ($(shell uname),Darwin)
 GOBIN	:=	$(shell echo ${GOBIN} | cut -d':' -f1)
 GOPATH	:=	$(shell echo $(GOPATH) | cut -d':' -f1)
+endif
+
+# Linux
+ifeq ($(os),Linux)
+GOBIN	:=	$(shell echo ${GOBIN} | cut -d':' -f1)
+GOPATH	:=	$(shell echo $(GOPATH) | cut -d':' -f1)
+endif
+
+# Windows
+ifeq ($(os),MINGW)
+GOBIN	:=	$(subst \,/,$(GOBIN))
+GOPATH	:=	$(subst \,/,$(GOPATH))
+GOBIN :=/$(shell echo "$(GOBIN)" | cut -d';' -f1 | sed 's/://g')
+GOPATH :=/$(shell echo "$(GOPATH)" | cut -d';' -f1 | sed 's/://g')
+endif
 BIN		:= 	""
 
 TOOLS_SHELL="./hack/tools.sh"
@@ -14,7 +32,7 @@ LINTER := bin/golangci-lint
 ifneq ($(GOBIN),)
 	BIN=$(GOBIN)
 else
-	# check GOPATH
+# check GOPATH
 	ifneq ($(GOPATH),)
 		BIN=$(GOPATH)/bin
 	endif
@@ -37,9 +55,9 @@ ifeq ($(user),root)
 	@cp ./cmd/protoc-gen-go-http/protoc-gen-go-http /usr/bin
 else
 #!root, install for current user
-	$(shell if [ -z $(BIN) ]; then read -p "Please select installdir: " REPLY; mkdir -p $${REPLY};\
-	cp ./cmd/kratos/kratos $${REPLY}/;cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors $${REPLY}/;cp ./cmd/protoc-gen-go-http/protoc-gen-go-http $${REPLY}/;else mkdir -p $(BIN);\
-	cp ./cmd/kratos/kratos $(BIN);cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors $(BIN);cp ./cmd/protoc-gen-go-http/protoc-gen-go-http $(BIN); fi)
+	$(shell if [ -z '$(BIN)' ]; then read -p "Please select installdir: " REPLY; mkdir -p $${REPLY};\
+	cp ./cmd/kratos/kratos $${REPLY}/;cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors $${REPLY}/;cp ./cmd/protoc-gen-go-http/protoc-gen-go-http $${REPLY}/;else mkdir -p '$(BIN)';\
+	cp ./cmd/kratos/kratos '$(BIN)';cp ./cmd/protoc-gen-go-errors/protoc-gen-go-errors '$(BIN)';cp ./cmd/protoc-gen-go-http/protoc-gen-go-http '$(BIN)'; fi)
 endif
 	@which protoc-gen-go &> /dev/null || go get google.golang.org/protobuf/cmd/protoc-gen-go
 	@which protoc-gen-go-grpc &> /dev/null || go get google.golang.org/grpc/cmd/protoc-gen-go-grpc
@@ -71,9 +89,14 @@ test:
 .PHONY: test-coverage
 test-coverage:
 	@${TOOLS_SHELL} test_coverage
-	@echo "go test with coverage finished"	
+	@echo "go test with coverage finished"
 
 .PHONY: lint
 lint: $(LINTER)
 	@${TOOLS_SHELL} lint
-	@echo "lint check finished"
+	@echo "lint check finished"
+
+.PHONY: proto
+proto:
+	protoc --proto_path=./api --proto_path=./third_party --go_out=paths=source_relative:./api --go-grpc_out=paths=source_relative:./api --go-http_out=paths=source_relative:./api metadata/metadata.proto
+	protoc --proto_path=./third_party --go_out=paths=source_relative:./errors/errors.proto

README.md

@@ -4,7 +4,7 @@
 <a href="https://github.com/go-kratos/kratos/actions"><img src="https://github.com/go-kratos/kratos/workflows/Go/badge.svg" alt="Build Status"></a>
 <a href="https://pkg.go.dev/github.com/go-kratos/kratos/v2"><img src="https://pkg.go.dev/badge/github.com/go-kratos/kratos/v2" alt="GoDoc"></a>
 <a href="https://codecov.io/gh/go-kratos/kratos"><img src="https://codecov.io/gh/go-kratos/kratos/master/graph/badge.svg" alt="codeCov"></a>
-<a href="https://goreportcard.com/report/github.com/go-kratos/kratos"><img src="https://goreportcard.com/badge/github.com/go-kratos/kratos" alt="Go Report Card" /a>
+<a href="https://goreportcard.com/report/github.com/go-kratos/kratos"><img src="https://goreportcard.com/badge/github.com/go-kratos/kratos" alt="Go Report Card"></a>
 <a href="https://github.com/go-kratos/kratos/blob/main/LICENSE"><img src="https://img.shields.io/github/license/go-kratos/kratos" alt="License"></a>
 <a href="https://github.com/avelino/awesome-go"><img src="https://awesome.re/mentioned-badge.svg" alt="Awesome Go"></a>
 <a href="https://discord.gg/BWzJsUJ"><img src="https://img.shields.io/discord/766619759214854164?label=chat&logo=discord" alt="Discord"></a>
@@ -17,29 +17,29 @@
 
 ## About Kratos
   
-> The name is inspired by the game God of War which is based on Greek myths, tells the Kratos from mortals to become a God of War and launches the adventure of killing god.
+> The name is inspired by the Greek-mythology-based game "God of War". It tells the adventures of Kratos becoming a god of war from a mortal and launching a god-killing slaughter.
 
 Kratos is a microservice-oriented governance framework implemented by golang, which offers convenient capabilities to help you quickly build a bulletproof application from scratch, such as:
 
 - The [communication protocol](https://go-kratos.dev/en/docs/component/api) is based on the HTTP/gRPC through the definition of Protobuf.
-- Abstract [transport](https://go-kratos.dev/en/docs/component/transport/overview) layer are support: [HTTP](https://go-kratos.dev/en/docs/component/transport/http) / [gRPC](https://go-kratos.dev/en/docs/component/transport/grpc).
-- Powerful [middleware](https://go-kratos.dev/en/docs/component/middleware/overview) design, support: [Tracing (OpenTelemetry)](https://go-kratos.dev/en/docs/component/middleware/tracing)、[Metrics (Prometheus is default)](https://go-kratos.dev/en/docs/component/middleware/metrics)、[Recovery](https://go-kratos.dev/en/docs/component/middleware/recovery) and more.
+- Abstract [transport](https://go-kratos.dev/en/docs/component/transport/overview) layer support: [HTTP](https://go-kratos.dev/en/docs/component/transport/http) / [gRPC](https://go-kratos.dev/en/docs/component/transport/grpc).
+- Powerful [middleware](https://go-kratos.dev/en/docs/component/middleware/overview) design, support: [Tracing (OpenTelemetry)](https://go-kratos.dev/en/docs/component/middleware/tracing), [Metrics (Prometheus is default)](https://go-kratos.dev/en/docs/component/middleware/metrics), [Recovery](https://go-kratos.dev/en/docs/component/middleware/recovery) and more.
 - [Registry](https://go-kratos.dev/en/docs/component/registry) interface able to be connected with various other centralized registries through plug-ins.
-- The [standard log interfaces](https://go-kratos.dev/en/docs/component/log) ease the integration of the third-party log libs and logs are collected through the *Fluentd*.
-- The selection of the content [encoding](https://go-kratos.dev/en/docs/component/encoding) is automatically supported by Accept and Content-Type.
+- The [standard log interfaces](https://go-kratos.dev/en/docs/component/log) ease the integration of the third-party log libs with logs collected through the *Fluentd*.
+- Automatically support the selection of the content [encoding](https://go-kratos.dev/en/docs/component/encoding) with Accept and Content-Type.
 - Multiple data sources are supported for [configurations](https://go-kratos.dev/en/docs/component/config) and dynamic configurations (use atomic operations).
-- In the protocol of HTTP/gRPC, use uniform [metadata](https://go-kratos.dev/en/docs/component/metadata) transfer method.
+- In the protocol of HTTP/gRPC, use the uniform [metadata](https://go-kratos.dev/en/docs/component/metadata) transfer method.
 - You can define [errors](https://go-kratos.dev/en/docs/component/errors/) in protos and generate enums with protoc-gen-go.
-- You can define [verification rules](https://go-kratos.dev/en/docs/component/middleware/validate) in Protobuf which is supported by HTTP/gRPC service.
-- [Swagger API](https://go-kratos.dev/en/docs/guide/openapi) generated Automatically and embed Swagger UI endpoint can be started by adding [Swagger plugin](https://github.com/go-kratos/swagger-api).
+- You can define [verification rules](https://go-kratos.dev/en/docs/component/middleware/validate) in Protobuf supported by the HTTP/gRPC service.
+- [Swagger API](https://go-kratos.dev/en/docs/guide/openapi) is generated Automatically and embed Swagger UI endpoint can be started by adding [Swagger plugin](https://github.com/go-kratos/swagger-api).
 
 Kratos is accessible, powerful, and provides tools required for large, robust applications.
 
 ## Learning Kratos
 
-Kratos has the most extensive and thorough [documentation](https://go-kratos.dev/en/docs/getting-started/start) and [example](./examples) library of all modern web application frameworks, making it a breeze to get started with the framework.
+Kratos has the most extensive and thorough [documentation](https://go-kratos.dev/en/docs/getting-started/start) and [example](https://github.com/go-kratos/examples) library of all modern web application frameworks, making it a breeze to get started with the framework.
 
-We also provide a [moderm template](https://github.com/go-kratos/kratos-layout), This template should help reduce the work required to setup up a modern project.
+We also provide a [modern template](https://github.com/go-kratos/kratos-layout). This template should help reduce the work required to setup up modern projects.
 
 ### Goals
 
@@ -47,13 +47,13 @@ Kratos boosts your productivity. With the integration of excellent resources and
 
 ### Principles
 
-* **Simple**: Appropriate design, plain and easy code.
+* **Simple**: Appropriate design with plain and easy code.
 * **General**: Cover the various utilities for business development.
 * **Highly efficient**: Speeding up the efficiency of businesses upgrading.
-* **Stable**: The base libs validated in the production environment which have the characters of the high testability, high coverage as well as high security and reliability.
+* **Stable**: The base libs validated in the production environment have the characteristics of high testability, high coverage as well as high security and reliability.
 * **Robust**: Eliminating misusing through high quality of the base libs.
 * **High-performance**: Optimal performance excluding the optimization of hacking in case of *unsafe*. 
-* **Expandability**: Properly designed interfaces, you can expand utilities such as base libs to meet your further requirements.
+* **Expandability**: Properly designed interfaces where you can expand utilities such as base libs to meet your further requirements.
 * **Fault-tolerance**: Designed against failure, enhance the understanding and exercising of SRE within Kratos to achieve more robustness.
 * **Toolchain**: Includes an extensive toolchain, such as the code generation of cache, the lint tool, and so forth.
 
@@ -73,6 +73,7 @@ go install github.com/go-kratos/kratos/cmd/kratos/v2@latest && kratos upgrade
   
 ```shell
 kratos new helloworld
+cd helloworld/ && go mod tidy
 kratos run
 ```
   
@@ -89,7 +90,6 @@ If you discover a security vulnerability within Kratos, please send an e-mail to
 - [Wechat Group](https://github.com/go-kratos/kratos/issues/682)
 - [Discord Group](https://discord.gg/BWzJsUJ)
 - [go-kratos.dev](https://go-kratos.dev/en)
-- QQ Group: 716486124
 
 ## Contributors
 
@@ -110,5 +110,5 @@ The following project had particular influence on kratos's design.
 - [go-kit/kit](https://github.com/go-kit/kit) is a programming toolkit for building microservices in go.
 - [asim/go-micro](https://github.com/asim/go-micro) a distributed systems development framework.
 - [google/go-cloud](https://github.com/google/go-cloud) is go cloud development kit.
-- [tal-tech/go-zero](https://github.com/tal-tech/go-zero) is a web and rpc framework with lots of builtin engineering practices.
+- [zeromicro/go-zero](https://github.com/zeromicro/go-zero) is a web and rpc framework with lots of builtin engineering practices.
 - [beego/beego](https://github.com/beego/beego) is a web framework including RESTful APIs, web apps and backend services.

README_zh.md

@@ -4,7 +4,7 @@
 <a href="https://github.com/go-kratos/kratos/actions"><img src="https://github.com/go-kratos/kratos/workflows/Go/badge.svg" alt="Build Status"></a>
 <a href="https://pkg.go.dev/github.com/go-kratos/kratos/v2"><img src="https://pkg.go.dev/badge/github.com/go-kratos/kratos/v2" alt="GoDoc"></a>
 <a href="https://codecov.io/gh/go-kratos/kratos"><img src="https://codecov.io/gh/go-kratos/kratos/master/graph/badge.svg" alt="codeCov"></a>
-<a href="https://goreportcard.com/report/github.com/go-kratos/kratos"><img src="https://goreportcard.com/badge/github.com/go-kratos/kratos" alt="Go Report Card" /a>
+<a href="https://goreportcard.com/report/github.com/go-kratos/kratos"><img src="https://goreportcard.com/badge/github.com/go-kratos/kratos" alt="Go Report Card"></a>
 <a href="https://github.com/go-kratos/kratos/blob/main/LICENSE"><img src="https://img.shields.io/github/license/go-kratos/kratos" alt="License"></a>
 <a href="https://github.com/avelino/awesome-go"><img src="https://awesome.re/mentioned-badge.svg" alt="Awesome Go"></a>
 <a href="https://discord.gg/BWzJsUJ"><img src="https://img.shields.io/discord/766619759214854164?label=chat&logo=discord" alt="Discord"></a>
@@ -19,7 +19,7 @@ Translations: [English](README.md) | [简体中文](README_zh.md)
 
 Kratos 一套轻量级 Go 微服务框架，包含大量微服务相关功能及工具。  
 
-> 名字来源于:《战神》游戏以希腊神话为背景，讲述由凡人成为战神的奎托斯（Kratos）成为战神并展开弑神屠杀的冒险历程。
+> 名字来源于:《战神》游戏以希腊神话为背景，讲述奎托斯（Kratos）由凡人成为战神并展开弑神屠杀的冒险经历。
 
 ## Goals
 
@@ -38,18 +38,18 @@ Kratos 一套轻量级 Go 微服务框架，包含大量微服务相关功能及
 * 工具链：包含大量工具链，比如 cache 代码生成，lint 工具等等；
 
 ## Features
-* [APIs](examples/helloworld/helloworld)：协议通信以 HTTP/gRPC 为基础，通过 Protobuf 进行定义；
-* [Errors](examples/errors/api)：通过 Protobuf 的 Enum 作为错误码定义，以及工具生成判定接口；
-* [Metadata](examples/metadata)：在协议通信 HTTP/gRPC 中，通过 Middleware 规范化服务元信息传递；
-* [Config](examples/config)：支持多数据源方式，进行配置合并铺平，通过 Atomic 方式支持动态配置；
-* [Logger](examples/log)：标准日志接口，可方便集成三方 log 库，并可通过 fluentd 收集日志；
-* [Metrics](examples/metrics)：统一指标接口，可以实现各种指标系统，默认集成 Prometheus；
-* [Tracing](examples/traces)：遵循 OpenTelemetry 规范定义，以实现微服务链路追踪；
-* [Encoding](encoding)：支持 Accept 和 Content-Type 进行自动选择内容编码；
-* [Transport](transport/transport.go)：通用的 [HTTP](examples/http/middlewares)/[gRPC](examples/middleware/main.go) 传输层，实现统一的 [Middleware](middleware) 插件支持；
-* [Registry](examples/registry)：实现统一注册中心接口，可插件化对接各种注册中心；
-* [Validation](examples/validate): 通过Protobuf统一定义校验规则，并同时适用于HTTP/gRPC服务.
-* [SwaggerAPI](https://github.com/go-kratos/swagger-api/blob/main/examples/helloworld/server/main.go): 通过集成第三方[Swagger插件](https://github.com/go-kratos/swagger-api)能够自动生成Swagger API json并启动一个内置的Swaager UI服务.
+* [APIs](https://go-kratos.dev/docs/component/api) ：协议通信以 HTTP/gRPC 为基础，通过 Protobuf 进行定义；
+* [Errors](https://go-kratos.dev/docs/component/errors/) ：通过 Protobuf 的 Enum 作为错误码定义，以及工具生成判定接口；
+* [Metadata](https://go-kratos.dev/docs/component/metadata) ：在协议通信 HTTP/gRPC 中，通过 Middleware 规范化服务元信息传递；
+* [Config](https://go-kratos.dev/docs/component/config) ：支持多数据源方式，进行配置合并铺平，通过 Atomic 方式支持动态配置；
+* [Logger](https://go-kratos.dev/docs/component/log) ：标准日志接口，可方便集成三方 log 库，并可通过 fluentd 收集日志；
+* [Metrics](https://go-kratos.dev/docs/component/middleware/metrics) ：统一指标接口，可以实现各种指标系统，默认集成 Prometheus；
+* [Tracing](https://go-kratos.dev/docs/component/middleware/tracing) ：遵循 OpenTelemetry 规范定义，以实现微服务链路追踪；
+* [Encoding](https://go-kratos.dev/docs/component/encoding) ：支持 Accept 和 Content-Type 进行自动选择内容编码；
+* [Transport](https://go-kratos.dev/docs/component/transport/overview) ：通用的 [HTTP](https://go-kratos.dev/docs/component/transport/http) /[gRPC](https://go-kratos.dev/docs/component/transport/grpc) 传输层，实现统一的 [Middleware](https://go-kratos.dev/docs/component/middleware/overview) 插件支持；
+* [Registry](https://go-kratos.dev/docs/component/registry) ：实现统一注册中心接口，可插件化对接各种注册中心；
+* [Validation](https://go-kratos.dev/docs/component/middleware/validate): 通过Protobuf统一定义校验规则，并同时适用于HTTP/gRPC服务.
+* [SwaggerAPI](https://go-kratos.dev/docs/guide/openapi): 通过集成第三方[Swagger插件](https://github.com/go-kratos/swagger-api) 能够自动生成Swagger API json并启动一个内置的Swagger UI服务.
 
 ## Getting Started
 ### Required
@@ -113,7 +113,7 @@ app.Run()
 ## Related
 
 * [Docs](https://go-kratos.dev/)
-* [Examples](./examples)
+* [Examples](https://github.com/go-kratos/examples)
 * [Service Layout](https://github.com/go-kratos/kratos-layout)
 
 ## Community

SECURITY.md

@@ -5,10 +5,10 @@
 Use this section to tell people about which versions of your project are
 currently being supported with security updates.
 
-| Version | Supported          |
-| ------- | ------------------ |
-| 2.0.rc1   | :white_check_mark: |
-| < 2.0.beta3  | :x:                |
+| Version     | Supported          |
+|-------------|--------------------|
+| 2.0.rc1     | :white_check_mark: |
+| < 2.0.beta3 | :x:                |
 
 ## Reporting a Vulnerability
 

api/metadata/metadata.pb.go

@@ -1,8 +1,8 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
-// source: metadata.proto
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.19.4
+// source: metadata/metadata.proto
 
 package metadata
 
@@ -31,7 +31,7 @@ type ListServicesRequest struct {
 func (x *ListServicesRequest) Reset() {
 	*x = ListServicesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[0]
+		mi := &file_metadata_metadata_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -44,7 +44,7 @@ func (x *ListServicesRequest) String() string {
 func (*ListServicesRequest) ProtoMessage() {}
 
 func (x *ListServicesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[0]
+	mi := &file_metadata_metadata_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -57,7 +57,7 @@ func (x *ListServicesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListServicesRequest.ProtoReflect.Descriptor instead.
 func (*ListServicesRequest) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{0}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{0}
 }
 
 type ListServicesReply struct {
@@ -72,7 +72,7 @@ type ListServicesReply struct {
 func (x *ListServicesReply) Reset() {
 	*x = ListServicesReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[1]
+		mi := &file_metadata_metadata_proto_msgTypes[1]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -85,7 +85,7 @@ func (x *ListServicesReply) String() string {
 func (*ListServicesReply) ProtoMessage() {}
 
 func (x *ListServicesReply) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[1]
+	mi := &file_metadata_metadata_proto_msgTypes[1]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -98,7 +98,7 @@ func (x *ListServicesReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListServicesReply.ProtoReflect.Descriptor instead.
 func (*ListServicesReply) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{1}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{1}
 }
 
 func (x *ListServicesReply) GetServices() []string {
@@ -126,7 +126,7 @@ type GetServiceDescRequest struct {
 func (x *GetServiceDescRequest) Reset() {
 	*x = GetServiceDescRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[2]
+		mi := &file_metadata_metadata_proto_msgTypes[2]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -139,7 +139,7 @@ func (x *GetServiceDescRequest) String() string {
 func (*GetServiceDescRequest) ProtoMessage() {}
 
 func (x *GetServiceDescRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[2]
+	mi := &file_metadata_metadata_proto_msgTypes[2]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -152,7 +152,7 @@ func (x *GetServiceDescRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetServiceDescRequest.ProtoReflect.Descriptor instead.
 func (*GetServiceDescRequest) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{2}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{2}
 }
 
 func (x *GetServiceDescRequest) GetName() string {
@@ -173,7 +173,7 @@ type GetServiceDescReply struct {
 func (x *GetServiceDescReply) Reset() {
 	*x = GetServiceDescReply{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_metadata_proto_msgTypes[3]
+		mi := &file_metadata_metadata_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -186,7 +186,7 @@ func (x *GetServiceDescReply) String() string {
 func (*GetServiceDescReply) ProtoMessage() {}
 
 func (x *GetServiceDescReply) ProtoReflect() protoreflect.Message {
-	mi := &file_metadata_proto_msgTypes[3]
+	mi := &file_metadata_metadata_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -199,7 +199,7 @@ func (x *GetServiceDescReply) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetServiceDescReply.ProtoReflect.Descriptor instead.
 func (*GetServiceDescReply) Descriptor() ([]byte, []int) {
-	return file_metadata_proto_rawDescGZIP(), []int{3}
+	return file_metadata_metadata_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *GetServiceDescReply) GetFileDescSet() *descriptorpb.FileDescriptorSet {
@@ -209,74 +209,74 @@ func (x *GetServiceDescReply) GetFileDescSet() *descriptorpb.FileDescriptorSet {
 	return nil
 }
 
-var File_metadata_proto protoreflect.FileDescriptor
-
-var file_metadata_proto_rawDesc = []byte{
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-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+var File_metadata_metadata_proto protoreflect.FileDescriptor
+
+var file_metadata_metadata_proto_rawDesc = []byte{
+	0x0a, 0x17, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x2f, 0x6d, 0x65, 0x74, 0x61, 0x64,
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+	0x6d, 0x65, 0x74, 0x68, 0x6f, 0x64, 0x73, 0x22, 0x2b, 0x0a, 0x15, 0x47, 0x65, 0x74, 0x53, 0x65,
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+	0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
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+	0x63, 0x65, 0x44, 0x65, 0x73, 0x63, 0x52, 0x65, 0x70, 0x6c, 0x79, 0x12, 0x46, 0x0a, 0x0d, 0x66,
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+	0x69, 0x73, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x73, 0x52, 0x65, 0x70, 0x6c, 0x79,
+	0x22, 0x11, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x0b, 0x12, 0x09, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x69,
+	0x63, 0x65, 0x73, 0x12, 0x6e, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63,
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+	0x63, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f,
+	0x73, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x47, 0x65, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65,
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+	0x12, 0x12, 0x10, 0x2f, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x73, 0x2f, 0x7b, 0x6e, 0x61,
+	0x6d, 0x65, 0x7d, 0x42, 0x63, 0x0a, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2e, 0x61, 0x70, 0x69, 0x50, 0x01, 0x5a, 0x3c,
+	0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x67, 0x6f, 0x2d, 0x6b, 0x72,
+	0x61, 0x74, 0x6f, 0x73, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f, 0x76, 0x32, 0x2f, 0x61,
+	0x70, 0x69, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6b, 0x72, 0x61, 0x74, 0x6f, 0x73, 0x2f,
+	0x61, 0x70, 0x69, 0x3b, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xa2, 0x02, 0x09, 0x4b,
+	0x72, 0x61, 0x74, 0x6f, 0x73, 0x41, 0x50, 0x49, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
-	file_metadata_proto_rawDescOnce sync.Once
-	file_metadata_proto_rawDescData = file_metadata_proto_rawDesc
+	file_metadata_metadata_proto_rawDescOnce sync.Once
+	file_metadata_metadata_proto_rawDescData = file_metadata_metadata_proto_rawDesc
 )
 
-func file_metadata_proto_rawDescGZIP() []byte {
-	file_metadata_proto_rawDescOnce.Do(func() {
-		file_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_metadata_proto_rawDescData)
+func file_metadata_metadata_proto_rawDescGZIP() []byte {
+	file_metadata_metadata_proto_rawDescOnce.Do(func() {
+		file_metadata_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_metadata_metadata_proto_rawDescData)
 	})
-	return file_metadata_proto_rawDescData
+	return file_metadata_metadata_proto_rawDescData
 }
 
-var file_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
-var file_metadata_proto_goTypes = []interface{}{
+var file_metadata_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_metadata_metadata_proto_goTypes = []interface{}{
 	(*ListServicesRequest)(nil),            // 0: kratos.api.ListServicesRequest
 	(*ListServicesReply)(nil),              // 1: kratos.api.ListServicesReply
 	(*GetServiceDescRequest)(nil),          // 2: kratos.api.GetServiceDescRequest
 	(*GetServiceDescReply)(nil),            // 3: kratos.api.GetServiceDescReply
 	(*descriptorpb.FileDescriptorSet)(nil), // 4: google.protobuf.FileDescriptorSet
 }
-var file_metadata_proto_depIdxs = []int32{
+var file_metadata_metadata_proto_depIdxs = []int32{
 	4, // 0: kratos.api.GetServiceDescReply.file_desc_set:type_name -> google.protobuf.FileDescriptorSet
 	0, // 1: kratos.api.Metadata.ListServices:input_type -> kratos.api.ListServicesRequest
 	2, // 2: kratos.api.Metadata.GetServiceDesc:input_type -> kratos.api.GetServiceDescRequest
@@ -289,13 +289,13 @@ var file_metadata_proto_depIdxs = []int32{
 	0, // [0:1] is the sub-list for field type_name
 }
 
-func init() { file_metadata_proto_init() }
-func file_metadata_proto_init() {
-	if File_metadata_proto != nil {
+func init() { file_metadata_metadata_proto_init() }
+func file_metadata_metadata_proto_init() {
+	if File_metadata_metadata_proto != nil {
 		return
 	}
 	if !protoimpl.UnsafeEnabled {
-		file_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListServicesRequest); i {
 			case 0:
 				return &v.state
@@ -307,7 +307,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListServicesReply); i {
 			case 0:
 				return &v.state
@@ -319,7 +319,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetServiceDescRequest); i {
 			case 0:
 				return &v.state
@@ -331,7 +331,7 @@ func file_metadata_proto_init() {
 				return nil
 			}
 		}
-		file_metadata_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+		file_metadata_metadata_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetServiceDescReply); i {
 			case 0:
 				return &v.state
@@ -348,18 +348,18 @@ func file_metadata_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_metadata_proto_rawDesc,
+			RawDescriptor: file_metadata_metadata_proto_rawDesc,
 			NumEnums:      0,
 			NumMessages:   4,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
-		GoTypes:           file_metadata_proto_goTypes,
-		DependencyIndexes: file_metadata_proto_depIdxs,
-		MessageInfos:      file_metadata_proto_msgTypes,
+		GoTypes:           file_metadata_metadata_proto_goTypes,
+		DependencyIndexes: file_metadata_metadata_proto_depIdxs,
+		MessageInfos:      file_metadata_metadata_proto_msgTypes,
 	}.Build()
-	File_metadata_proto = out.File
-	file_metadata_proto_rawDesc = nil
-	file_metadata_proto_goTypes = nil
-	file_metadata_proto_depIdxs = nil
+	File_metadata_metadata_proto = out.File
+	file_metadata_metadata_proto_rawDesc = nil
+	file_metadata_metadata_proto_goTypes = nil
+	file_metadata_metadata_proto_depIdxs = nil
 }

api/metadata/metadata.proto

@@ -11,7 +11,7 @@ option java_package = "com.github.kratos.api";
 option objc_class_prefix = "KratosAPI";
 
 
-// Metadata is api defintion metadata service.
+// Metadata is api definition metadata service.
 service Metadata {
   // ListServices list the full name of all services.
   rpc ListServices (ListServicesRequest) returns (ListServicesReply)  {

api/metadata/metadata_grpc.pb.go

@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.19.4
+// source: metadata/metadata.proto
 
 package metadata
 
@@ -137,5 +141,5 @@ var Metadata_ServiceDesc = grpc.ServiceDesc{
 		},
 	},
 	Streams:  []grpc.StreamDesc{},
-	Metadata: "metadata.proto",
+	Metadata: "metadata/metadata.proto",
 }

api/metadata/metadata_http.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-http. DO NOT EDIT.
 // versions:
-// protoc-gen-go-http v2.0.0
+// protoc-gen-go-http v2.3.0
 
 package metadata
 

api/metadata/server.go

@@ -4,8 +4,10 @@ import (
 	"bytes"
 	"compress/gzip"
 	"context"
+	"errors"
 	"fmt"
 	"io"
+	"sort"
 	"sync"
 
 	"google.golang.org/grpc"
@@ -13,13 +15,12 @@ import (
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protodesc"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	"google.golang.org/protobuf/reflect/protoreflect"
 	"google.golang.org/protobuf/reflect/protoregistry"
 	dpb "google.golang.org/protobuf/types/descriptorpb"
-)
 
-//nolint:lll
-//go:generate protoc --proto_path=. --proto_path=../../third_party --go_out=paths=source_relative:. --go-grpc_out=paths=source_relative:. --go-http_out=paths=source_relative:. metadata.proto
+	"github.com/go-kratos/kratos/v2/log"
+)
 
 // Server is api meta server
 type Server struct {
@@ -63,26 +64,32 @@ func (s *Server) load() error {
 	}
 	var err error
 	protoregistry.GlobalFiles.RangeFiles(func(fd protoreflect.FileDescriptor) bool {
-		if fd.Services() != nil {
-			for i := 0; i < fd.Services().Len(); i++ {
-				svc := fd.Services().Get(i)
-				fdp, e := fileDescriptorProto(fd.Path())
-				if e != nil {
-					err = e
-					return false
-				}
-				fdps, e := allDependency(fdp)
-				if e != nil {
-					err = e
-					return false
-				}
-				s.services[string(svc.FullName())] = &dpb.FileDescriptorSet{File: fdps}
-				if svc.Methods() != nil {
-					for j := 0; j < svc.Methods().Len(); j++ {
-						method := svc.Methods().Get(j)
-						s.methods[string(svc.FullName())] = append(s.methods[string(svc.FullName())], string(method.Name()))
-					}
+		if fd.Services() == nil {
+			return true
+		}
+		for i := 0; i < fd.Services().Len(); i++ {
+			svc := fd.Services().Get(i)
+			fdp, e := fileDescriptorProto(fd.Path())
+			if e != nil {
+				err = e
+				return false
+			}
+			fdps, e := allDependency(fdp)
+			if e != nil {
+				if errors.Is(e, protoregistry.NotFound) {
+					// Skip this service if one of its dependencies is not found.
+					continue
 				}
+				err = e
+				return false
+			}
+			s.services[string(svc.FullName())] = &dpb.FileDescriptorSet{File: fdps}
+			if svc.Methods() == nil {
+				continue
+			}
+			for j := 0; j < svc.Methods().Len(); j++ {
+				method := svc.Methods().Get(j)
+				s.methods[string(svc.FullName())] = append(s.methods[string(svc.FullName())], string(method.Name()))
 			}
 		}
 		return true
@@ -91,13 +98,16 @@ func (s *Server) load() error {
 }
 
 // ListServices return all services
-func (s *Server) ListServices(ctx context.Context, in *ListServicesRequest) (*ListServicesReply, error) {
+func (s *Server) ListServices(_ context.Context, _ *ListServicesRequest) (*ListServicesReply, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 	if err := s.load(); err != nil {
 		return nil, err
 	}
-	reply := new(ListServicesReply)
+	reply := &ListServicesReply{
+		Services: make([]string, 0, len(s.services)),
+		Methods:  make([]string, 0, len(s.methods)),
+	}
 	for name := range s.services {
 		reply.Services = append(reply.Services, name)
 	}
@@ -106,11 +116,13 @@ func (s *Server) ListServices(ctx context.Context, in *ListServicesRequest) (*Li
 			reply.Methods = append(reply.Methods, fmt.Sprintf("/%s/%s", name, method))
 		}
 	}
+	sort.Strings(reply.Services)
+	sort.Strings(reply.Methods)
 	return reply, nil
 }
 
 // GetServiceDesc return service meta by name
-func (s *Server) GetServiceDesc(ctx context.Context, in *GetServiceDescRequest) (*GetServiceDescReply, error) {
+func (s *Server) GetServiceDesc(_ context.Context, in *GetServiceDescRequest) (*GetServiceDescReply, error) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
 	if err := s.load(); err != nil {
@@ -134,11 +146,7 @@ func parseMetadata(meta interface{}) (*dpb.FileDescriptorProto, error) {
 	}
 	// Check if meta is the byte slice.
 	if enc, ok := meta.([]byte); ok {
-		fd, err := decodeFileDesc(enc)
-		if err != nil {
-			return nil, err
-		}
-		return fd, nil
+		return decodeFileDesc(enc)
 	}
 	return nil, fmt.Errorf("proto not sumpport metadata: %v", meta)
 }
@@ -162,7 +170,8 @@ func allDependency(fd *dpb.FileDescriptorProto) ([]*dpb.FileDescriptorProto, err
 	for _, dep := range fd.Dependency {
 		fdDep, err := fileDescriptorProto(dep)
 		if err != nil {
-			return nil, err
+			log.Warnf("%s", err)
+			continue
 		}
 		temp, err := allDependency(fdDep)
 		if err != nil {
@@ -190,7 +199,7 @@ func decompress(b []byte) ([]byte, error) {
 func fileDescriptorProto(path string) (*dpb.FileDescriptorProto, error) {
 	fd, err := protoregistry.GlobalFiles.FindFileByPath(path)
 	if err != nil {
-		return nil, err
+		return nil, fmt.Errorf("find proto by path failed, path: %s, err: %s", path, err)
 	}
 	fdpb := protodesc.ToFileDescriptorProto(fd)
 	return fdpb, nil

app.go

@@ -31,7 +31,7 @@ type App struct {
 	opts     options
 	ctx      context.Context
 	cancel   func()
-	lk       sync.Mutex
+	mu       sync.Mutex
 	instance *registry.ServiceInstance
 }
 
@@ -39,7 +39,6 @@ type App struct {
 func New(opts ...Option) *App {
 	o := options{
 		ctx:              context.Background(),
-		logger:           log.NewHelper(log.DefaultLogger),
 		sigs:             []os.Signal{syscall.SIGTERM, syscall.SIGQUIT, syscall.SIGINT},
 		registrarTimeout: 10 * time.Second,
 		stopTimeout:      10 * time.Second,
@@ -50,6 +49,9 @@ func New(opts ...Option) *App {
 	for _, opt := range opts {
 		opt(&o)
 	}
+	if o.logger != nil {
+		log.SetLogger(o.logger)
+	}
 	ctx, cancel := context.WithCancel(o.ctx)
 	return &App{
 		ctx:    ctx,
@@ -72,10 +74,10 @@ func (a *App) Metadata() map[string]string { return a.opts.metadata }
 
 // Endpoint returns endpoints.
 func (a *App) Endpoint() []string {
-	if a.instance == nil {
-		return []string{}
+	if a.instance != nil {
+		return a.instance.Endpoints
 	}
-	return a.instance.Endpoints
+	return nil
 }
 
 // Run executes all OnStart hooks registered with the application's Lifecycle.
@@ -84,76 +86,90 @@ func (a *App) Run() error {
 	if err != nil {
 		return err
 	}
-	ctx := NewContext(a.ctx, a)
-	eg, ctx := errgroup.WithContext(ctx)
+	a.mu.Lock()
+	a.instance = instance
+	a.mu.Unlock()
+	sctx := NewContext(a.ctx, a)
+	eg, ctx := errgroup.WithContext(sctx)
 	wg := sync.WaitGroup{}
+
+	for _, fn := range a.opts.beforeStart {
+		if err = fn(sctx); err != nil {
+			return err
+		}
+	}
 	for _, srv := range a.opts.servers {
 		srv := srv
 		eg.Go(func() error {
 			<-ctx.Done() // wait for stop signal
-			sctx, cancel := context.WithTimeout(NewContext(context.Background(), a), a.opts.stopTimeout)
+			stopCtx, cancel := context.WithTimeout(NewContext(a.opts.ctx, a), a.opts.stopTimeout)
 			defer cancel()
-			return srv.Stop(sctx)
+			return srv.Stop(stopCtx)
 		})
 		wg.Add(1)
 		eg.Go(func() error {
-			wg.Done()
-			return srv.Start(ctx)
+			wg.Done() // here is to ensure server start has begun running before register, so defer is not needed
+			return srv.Start(sctx)
 		})
 	}
 	wg.Wait()
 	if a.opts.registrar != nil {
-		rctx, rcancel := context.WithTimeout(a.opts.ctx, a.opts.registrarTimeout)
+		rctx, rcancel := context.WithTimeout(ctx, a.opts.registrarTimeout)
 		defer rcancel()
-		if err := a.opts.registrar.Register(rctx, instance); err != nil {
+		if err = a.opts.registrar.Register(rctx, instance); err != nil {
+			return err
+		}
+	}
+	for _, fn := range a.opts.afterStart {
+		if err = fn(sctx); err != nil {
 			return err
 		}
-		a.lk.Lock()
-		a.instance = instance
-		a.lk.Unlock()
 	}
+
 	c := make(chan os.Signal, 1)
 	signal.Notify(c, a.opts.sigs...)
 	eg.Go(func() error {
-		for {
-			select {
-			case <-ctx.Done():
-				return ctx.Err()
-			case <-c:
-				err := a.Stop()
-				if err != nil {
-					a.opts.logger.Errorf("failed to stop app: %v", err)
-					return err
-				}
-			}
+		select {
+		case <-ctx.Done():
+			return nil
+		case <-c:
+			return a.Stop()
 		}
 	})
-	if err := eg.Wait(); err != nil && !errors.Is(err, context.Canceled) {
+	if err = eg.Wait(); err != nil && !errors.Is(err, context.Canceled) {
 		return err
 	}
-	return nil
+	for _, fn := range a.opts.afterStop {
+		err = fn(sctx)
+	}
+	return err
 }
 
 // Stop gracefully stops the application.
-func (a *App) Stop() error {
-	a.lk.Lock()
+func (a *App) Stop() (err error) {
+	sctx := NewContext(a.ctx, a)
+	for _, fn := range a.opts.beforeStop {
+		err = fn(sctx)
+	}
+
+	a.mu.Lock()
 	instance := a.instance
-	a.lk.Unlock()
+	a.mu.Unlock()
 	if a.opts.registrar != nil && instance != nil {
-		ctx, cancel := context.WithTimeout(a.opts.ctx, a.opts.registrarTimeout)
+		ctx, cancel := context.WithTimeout(NewContext(a.ctx, a), a.opts.registrarTimeout)
 		defer cancel()
-		if err := a.opts.registrar.Deregister(ctx, instance); err != nil {
+		if err = a.opts.registrar.Deregister(ctx, instance); err != nil {
 			return err
 		}
 	}
 	if a.cancel != nil {
 		a.cancel()
 	}
-	return nil
+	return err
 }
 
 func (a *App) buildInstance() (*registry.ServiceInstance, error) {
-	endpoints := make([]string, 0) //nolint:gomnd
+	endpoints := make([]string, 0, len(a.opts.endpoints))
 	for _, e := range a.opts.endpoints {
 		endpoints = append(endpoints, e.String())
 	}

app_test.go

@@ -2,7 +2,8 @@ package kratos
 
 import (
 	"context"
-	"fmt"
+	"errors"
+	"net/url"
 	"reflect"
 	"sync"
 	"testing"
@@ -11,7 +12,6 @@ import (
 	"github.com/go-kratos/kratos/v2/registry"
 	"github.com/go-kratos/kratos/v2/transport/grpc"
 	"github.com/go-kratos/kratos/v2/transport/http"
-	"github.com/stretchr/testify/assert"
 )
 
 type mockRegistry struct {
@@ -19,9 +19,9 @@ type mockRegistry struct {
 	service map[string]*registry.ServiceInstance
 }
 
-func (r *mockRegistry) Register(ctx context.Context, service *registry.ServiceInstance) error {
+func (r *mockRegistry) Register(_ context.Context, service *registry.ServiceInstance) error {
 	if service == nil || service.ID == "" {
-		return fmt.Errorf("no service id")
+		return errors.New("no service id")
 	}
 	r.lk.Lock()
 	defer r.lk.Unlock()
@@ -30,11 +30,11 @@ func (r *mockRegistry) Register(ctx context.Context, service *registry.ServiceIn
 }
 
 // Deregister the registration.
-func (r *mockRegistry) Deregister(ctx context.Context, service *registry.ServiceInstance) error {
+func (r *mockRegistry) Deregister(_ context.Context, service *registry.ServiceInstance) error {
 	r.lk.Lock()
 	defer r.lk.Unlock()
 	if r.service[service.ID] == nil {
-		return fmt.Errorf("deregister service not found")
+		return errors.New("deregister service not found")
 	}
 	delete(r.service, service.ID)
 	return nil
@@ -47,6 +47,22 @@ func TestApp(t *testing.T) {
 		Name("kratos"),
 		Version("v1.0.0"),
 		Server(hs, gs),
+		BeforeStart(func(_ context.Context) error {
+			t.Log("BeforeStart...")
+			return nil
+		}),
+		BeforeStop(func(_ context.Context) error {
+			t.Log("BeforeStop...")
+			return nil
+		}),
+		AfterStart(func(_ context.Context) error {
+			t.Log("AfterStart...")
+			return nil
+		}),
+		AfterStop(func(_ context.Context) error {
+			t.Log("AfterStop...")
+			return nil
+		}),
 		Registrar(&mockRegistry{service: make(map[string]*registry.ServiceInstance)}),
 	)
 	time.AfterFunc(time.Second, func() {
@@ -60,19 +76,25 @@ func TestApp(t *testing.T) {
 func TestApp_ID(t *testing.T) {
 	v := "123"
 	o := New(ID(v))
-	assert.Equal(t, v, o.ID())
+	if !reflect.DeepEqual(v, o.ID()) {
+		t.Fatalf("o.ID():%s is not equal to v:%s", o.ID(), v)
+	}
 }
 
 func TestApp_Name(t *testing.T) {
 	v := "123"
 	o := New(Name(v))
-	assert.Equal(t, v, o.Name())
+	if !reflect.DeepEqual(v, o.Name()) {
+		t.Fatalf("o.Name():%s is not equal to v:%s", o.Name(), v)
+	}
 }
 
 func TestApp_Version(t *testing.T) {
 	v := "123"
 	o := New(Version(v))
-	assert.Equal(t, v, o.Version())
+	if !reflect.DeepEqual(v, o.Version()) {
+		t.Fatalf("o.Version():%s is not equal to v:%s", o.Version(), v)
+	}
 }
 
 func TestApp_Metadata(t *testing.T) {
@@ -81,10 +103,86 @@ func TestApp_Metadata(t *testing.T) {
 		"b": "2",
 	}
 	o := New(Metadata(v))
-	assert.Equal(t, v, o.Metadata())
+	if !reflect.DeepEqual(v, o.Metadata()) {
+		t.Fatalf("o.Metadata():%s is not equal to v:%s", o.Metadata(), v)
+	}
 }
 
 func TestApp_Endpoint(t *testing.T) {
+	v := []string{"https://go-kratos.dev", "localhost"}
+	var endpoints []*url.URL
+	for _, urlStr := range v {
+		if endpoint, err := url.Parse(urlStr); err != nil {
+			t.Errorf("invalid endpoint:%v", urlStr)
+		} else {
+			endpoints = append(endpoints, endpoint)
+		}
+	}
+	o := New(Endpoint(endpoints...))
+	if instance, err := o.buildInstance(); err != nil {
+		t.Error("build instance failed")
+	} else {
+		o.instance = instance
+	}
+	if !reflect.DeepEqual(o.Endpoint(), v) {
+		t.Errorf("Endpoint() = %v, want %v", o.Endpoint(), v)
+	}
+}
+
+func TestApp_buildInstance(t *testing.T) {
+	want := struct {
+		id        string
+		name      string
+		version   string
+		metadata  map[string]string
+		endpoints []string
+	}{
+		id:      "1",
+		name:    "kratos",
+		version: "v1.0.0",
+		metadata: map[string]string{
+			"a": "1",
+			"b": "2",
+		},
+		endpoints: []string{"https://go-kratos.dev", "localhost"},
+	}
+	var endpoints []*url.URL
+	for _, urlStr := range want.endpoints {
+		if endpoint, err := url.Parse(urlStr); err != nil {
+			t.Errorf("invalid endpoint:%v", urlStr)
+		} else {
+			endpoints = append(endpoints, endpoint)
+		}
+	}
+	app := New(
+		ID(want.id),
+		Name(want.name),
+		Version(want.version),
+		Metadata(want.metadata),
+		Endpoint(endpoints...),
+	)
+	if got, err := app.buildInstance(); err != nil {
+		t.Error("build got failed")
+	} else {
+		if got.ID != want.id {
+			t.Errorf("ID() = %v, want %v", got.ID, want.id)
+		}
+		if got.Name != want.name {
+			t.Errorf("Name() = %v, want %v", got.Name, want.name)
+		}
+		if got.Version != want.version {
+			t.Errorf("Version() = %v, want %v", got.Version, want.version)
+		}
+		if !reflect.DeepEqual(got.Endpoints, want.endpoints) {
+			t.Errorf("Endpoint() = %v, want %v", got.Endpoints, want.endpoints)
+		}
+		if !reflect.DeepEqual(got.Metadata, want.metadata) {
+			t.Errorf("Metadata() = %v, want %v", got.Metadata, want.metadata)
+		}
+	}
+}
+
+func TestApp_Context(t *testing.T) {
 	type fields struct {
 		id       string
 		version  string
@@ -147,7 +245,7 @@ func TestApp_Endpoint(t *testing.T) {
 				endpoint []string
 				metadata map[string]string
 			}{
-				id: "3", version: "v3", name: "kratos-v3", endpoint: []string{},
+				id: "3", version: "v3", name: "kratos-v3", endpoint: nil,
 				metadata: map[string]string{},
 			},
 		},

cmd/kratos/go.mod

@@ -3,9 +3,13 @@ module github.com/go-kratos/kratos/cmd/kratos/v2
 go 1.16
 
 require (
-	github.com/AlecAivazis/survey/v2 v2.2.15
-	github.com/emicklei/proto v1.9.1
-	github.com/fatih/color v1.12.0
-	github.com/spf13/cobra v1.2.1
-	golang.org/x/mod v0.4.2
+	github.com/AlecAivazis/survey/v2 v2.3.7
+	github.com/emicklei/proto v1.10.0
+	github.com/fatih/color v1.13.0
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/spf13/cobra v1.4.0
+	github.com/stretchr/testify v1.7.0 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4
+	golang.org/x/text v0.4.0
+	gopkg.in/yaml.v3 v3.0.0 // indirect
 )

cmd/kratos/go.sum

@@ -1,602 +1,79 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
-cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
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-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
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-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
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-github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8 h1:xzYJEypr/85nBpB11F9br+3HUrpgb+fcm5iADzXXYEw=
-github.com/Netflix/go-expect v0.0.0-20180615182759-c93bf25de8e8/go.mod h1:oX5x61PbNXchhh0oikYAH+4Pcfw5LKv21+Jnpr6r6Pc=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
-github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
-github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
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-github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
-github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
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+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
+github.com/cpuguy83/go-md2man/v2 v2.0.1/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/creack/pty v1.1.17 h1:QeVUsEDNrLBW4tMgZHvxy18sKtr6VI492kBhUfhDJNI=
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-google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200115191322-ca5a22157cba/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200122232147-0452cf42e150/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20200204135345-fa8e72b47b90/go.mod h1:GmwEX6Z4W5gMy59cAlVYjN9JhxgbQH6Gn+gFDQe2lzA=
-google.golang.org/genproto v0.0.0-20200212174721-66ed5ce911ce/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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-google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
-google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201201144952-b05cb90ed32e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210310155132-4ce2db91004e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210319143718-93e7006c17a6/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210402141018-6c239bbf2bb1/go.mod h1:9lPAdzaEmUacj36I+k7YKbEc5CXzPIeORRgDAUOu28A=
-google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.1/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
-google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
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-google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+gopkg.in/yaml.v3 v3.0.0 h1:hjy8E9ON/egN1tAYqKb61G10WtihqetD4sz2H+8nIeA=
+gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

cmd/kratos/internal/base/install.go

@@ -7,13 +7,17 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
+	"strings"
 )
 
 // GoInstall go get path.
 func GoInstall(path ...string) error {
 	for _, p := range path {
-		fmt.Printf("go install %s@latest\n", p)
-		cmd := exec.Command("go", "install", fmt.Sprintf("%s@latest", p))
+		if !strings.Contains(p, "@") {
+			p += "@latest"
+		}
+		fmt.Printf("go install %s\n", p)
+		cmd := exec.Command("go", "install", p)
 		cmd.Stdout = os.Stdout
 		cmd.Stderr = os.Stderr
 		if err := cmd.Run(); err != nil {

cmd/kratos/internal/base/mod_test.go

@@ -1,6 +1,9 @@
 package base
 
-import "testing"
+import (
+	"os"
+	"testing"
+)
 
 func TestModuleVersion(t *testing.T) {
 	v, err := ModuleVersion("golang.org/x/mod")
@@ -9,3 +12,32 @@ func TestModuleVersion(t *testing.T) {
 	}
 	t.Log(v)
 }
+
+func TestModulePath(t *testing.T) {
+	if err := os.Mkdir("/tmp/test_mod", os.ModePerm); err != nil {
+		t.Fatal(err)
+	}
+
+	f, err := os.Create("/tmp/test_mod/go.mod")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	mod := `module github.com/go-kratos/kratos/v2
+
+go 1.16`
+	_, err = f.WriteString(mod)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	p, err := ModulePath("/tmp/test_mod/go.mod")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if p != "github.com/go-kratos/kratos/v2" {
+		t.Fatalf("want: %s, got: %s", "github.com/go-kratos/kratos/v2", p)
+	}
+
+	t.Cleanup(func() { os.RemoveAll("/tmp/test_mod") })
+}

cmd/kratos/internal/base/path.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"path"
 	"path/filepath"
 	"strings"
 
@@ -17,7 +16,7 @@ func kratosHome() string {
 	if err != nil {
 		log.Fatal(err)
 	}
-	home := path.Join(dir, ".kratos")
+	home := filepath.Join(dir, ".kratos")
 	if _, err := os.Stat(home); os.IsNotExist(err) {
 		if err := os.MkdirAll(home, 0o700); err != nil {
 			log.Fatal(err)
@@ -27,7 +26,7 @@ func kratosHome() string {
 }
 
 func kratosHomeWithDir(dir string) string {
-	home := path.Join(kratosHome(), dir)
+	home := filepath.Join(kratosHome(), dir)
 	if _, err := os.Stat(home); os.IsNotExist(err) {
 		if err := os.MkdirAll(home, 0o700); err != nil {
 			log.Fatal(err)
@@ -37,7 +36,6 @@ func kratosHomeWithDir(dir string) string {
 }
 
 func copyFile(src, dst string, replaces []string) error {
-	var err error
 	srcinfo, err := os.Stat(src)
 	if err != nil {
 		return err
@@ -58,35 +56,34 @@ func copyFile(src, dst string, replaces []string) error {
 }
 
 func copyDir(src, dst string, replaces, ignores []string) error {
-	var err error
-	var fds []os.DirEntry
-	var srcinfo os.FileInfo
-
-	if srcinfo, err = os.Stat(src); err != nil {
+	srcinfo, err := os.Stat(src)
+	if err != nil {
 		return err
 	}
 
-	if err = os.MkdirAll(dst, srcinfo.Mode()); err != nil {
+	err = os.MkdirAll(dst, srcinfo.Mode())
+	if err != nil {
 		return err
 	}
 
-	if fds, err = os.ReadDir(src); err != nil {
+	fds, err := os.ReadDir(src)
+	if err != nil {
 		return err
 	}
 	for _, fd := range fds {
 		if hasSets(fd.Name(), ignores) {
 			continue
 		}
-		srcfp := path.Join(src, fd.Name())
-		dstfp := path.Join(dst, fd.Name())
+		srcfp := filepath.Join(src, fd.Name())
+		dstfp := filepath.Join(dst, fd.Name())
+		var e error
 		if fd.IsDir() {
-			if err = copyDir(srcfp, dstfp, replaces, ignores); err != nil {
-				return err
-			}
+			e = copyDir(srcfp, dstfp, replaces, ignores)
 		} else {
-			if err = copyFile(srcfp, dstfp, replaces); err != nil {
-				return err
-			}
+			e = copyFile(srcfp, dstfp, replaces)
+		}
+		if e != nil {
+			return e
 		}
 	}
 	return nil
@@ -103,7 +100,7 @@ func hasSets(name string, sets []string) bool {
 
 func Tree(path string, dir string) {
 	_ = filepath.Walk(path, func(path string, info os.FileInfo, err error) error {
-		if !info.IsDir() {
+		if err == nil && info != nil && !info.IsDir() {
 			fmt.Printf("%s %s (%v bytes)\n", color.GreenString("CREATED"), strings.Replace(path, dir+"/", "", -1), info.Size())
 		}
 		return nil

cmd/kratos/internal/base/repo.go

@@ -3,12 +3,16 @@ package base
 import (
 	"context"
 	"fmt"
+	"net"
 	"os"
 	"os/exec"
 	"path"
+	"path/filepath"
 	"strings"
 )
 
+var unExpandVarPath = []string{"~", ".", ".."}
+
 // Repo is git repository manager.
 type Repo struct {
 	url    string
@@ -16,19 +20,29 @@ type Repo struct {
 	branch string
 }
 
+func repoDir(url string) string {
+	vcsURL, err := ParseVCSUrl(url)
+	if err != nil {
+		return url
+	}
+	// check host contains port
+	host, _, err := net.SplitHostPort(vcsURL.Host)
+	if err != nil {
+		host = vcsURL.Host
+	}
+	for _, p := range unExpandVarPath {
+		host = strings.TrimLeft(host, p)
+	}
+	dir := path.Base(path.Dir(vcsURL.Path))
+	url = fmt.Sprintf("%s/%s", host, dir)
+	return url
+}
+
 // NewRepo new a repository manager.
 func NewRepo(url string, branch string) *Repo {
-	var start int
-	start = strings.Index(url, "//")
-	if start == -1 {
-		start = strings.Index(url, ":") + 1
-	} else {
-		start += 2
-	}
-	end := strings.LastIndex(url, "/")
 	return &Repo{
 		url:    url,
-		home:   kratosHomeWithDir("repo/" + url[start:end]),
+		home:   kratosHomeWithDir("repo/" + repoDir(url)),
 		branch: branch,
 	}
 }
@@ -55,15 +69,15 @@ func (r *Repo) Pull(ctx context.Context) error {
 	cmd.Dir = r.Path()
 	_, err := cmd.CombinedOutput()
 	if err != nil {
-		return nil
+		return err
 	}
 	cmd = exec.CommandContext(ctx, "git", "pull")
 	cmd.Dir = r.Path()
 	out, err := cmd.CombinedOutput()
+	fmt.Println(string(out))
 	if err != nil {
 		return err
 	}
-	fmt.Println(string(out))
 	return err
 }
 
@@ -79,10 +93,10 @@ func (r *Repo) Clone(ctx context.Context) error {
 		cmd = exec.CommandContext(ctx, "git", "clone", "-b", r.branch, r.url, r.Path())
 	}
 	out, err := cmd.CombinedOutput()
+	fmt.Println(string(out))
 	if err != nil {
 		return err
 	}
-	fmt.Println(string(out))
 	return nil
 }
 
@@ -91,9 +105,22 @@ func (r *Repo) CopyTo(ctx context.Context, to string, modPath string, ignores []
 	if err := r.Clone(ctx); err != nil {
 		return err
 	}
-	mod, err := ModulePath(path.Join(r.Path(), "go.mod"))
+	mod, err := ModulePath(filepath.Join(r.Path(), "go.mod"))
 	if err != nil {
 		return err
 	}
 	return copyDir(r.Path(), to, []string{mod, modPath}, ignores)
 }
+
+// CopyToV2 copies the repository to project path
+func (r *Repo) CopyToV2(ctx context.Context, to string, modPath string, ignores, replaces []string) error {
+	if err := r.Clone(ctx); err != nil {
+		return err
+	}
+	mod, err := ModulePath(filepath.Join(r.Path(), "go.mod"))
+	if err != nil {
+		return err
+	}
+	replaces = append([]string{mod, modPath}, replaces...)
+	return copyDir(r.Path(), to, replaces, ignores)
+}

cmd/kratos/internal/base/repo_test.go

@@ -2,10 +2,42 @@ package base
 
 import (
 	"context"
+	"os"
 	"testing"
 )
 
 func TestRepo(t *testing.T) {
+	urls := []string{
+		// ssh://[user@]host.xz[:port]/path/to/repo.git/
+		"ssh://git@github.com:7875/go-kratos/kratos.git",
+		// git://host.xz[:port]/path/to/repo.git/
+		"git://github.com:7875/go-kratos/kratos.git",
+		// http[s]://host.xz[:port]/path/to/repo.git/
+		"https://github.com:7875/go-kratos/kratos.git",
+		// ftp[s]://host.xz[:port]/path/to/repo.git/
+		"ftps://github.com:7875/go-kratos/kratos.git",
+		//[user@]host.xz:path/to/repo.git/
+		"git@github.com:go-kratos/kratos.git",
+		// ssh://[user@]host.xz[:port]/~[user]/path/to/repo.git/
+		"ssh://git@github.com:7875/go-kratos/kratos.git",
+		// git://host.xz[:port]/~[user]/path/to/repo.git/
+		"git://github.com:7875/go-kratos/kratos.git",
+		//[user@]host.xz:/~[user]/path/to/repo.git/
+		"git@github.com:go-kratos/kratos.git",
+		///path/to/repo.git/
+		"//github.com/go-kratos/kratos.git",
+		// file:///path/to/repo.git/
+		"file://./github.com/go-kratos/kratos.git",
+	}
+	for _, url := range urls {
+		dir := repoDir(url)
+		if dir != "github.com/go-kratos" && dir != "/go-kratos" {
+			t.Fatal(url, "repoDir test failed", dir)
+		}
+	}
+}
+
+func TestRepoClone(t *testing.T) {
 	r := NewRepo("https://github.com/go-kratos/service-layout.git", "")
 	if err := r.Clone(context.Background()); err != nil {
 		t.Fatal(err)
@@ -13,4 +45,7 @@ func TestRepo(t *testing.T) {
 	if err := r.CopyTo(context.Background(), "/tmp/test_repo", "github.com/go-kratos/kratos-layout", nil); err != nil {
 		t.Fatal(err)
 	}
+	t.Cleanup(func() {
+		os.RemoveAll("/tmp/test_repo")
+	})
 }

cmd/kratos/internal/base/vcs_url.go

@@ -0,0 +1,58 @@
+package base
+
+import (
+	"errors"
+	"net/url"
+	"regexp"
+	"strings"
+)
+
+var (
+	scpSyntaxRe = regexp.MustCompile(`^(\w+)@([\w.-]+):(.*)$`)
+	scheme      = []string{"git", "https", "http", "git+ssh", "ssh", "file", "ftp", "ftps"}
+)
+
+// ParseVCSUrl ref https://github.com/golang/go/blob/master/src/cmd/go/internal/vcs/vcs.go
+// see https://go-review.googlesource.com/c/go/+/12226/
+// git url define https://git-scm.com/docs/git-clone#_git_urls
+func ParseVCSUrl(repo string) (*url.URL, error) {
+	var (
+		repoURL *url.URL
+		err     error
+	)
+
+	if m := scpSyntaxRe.FindStringSubmatch(repo); m != nil {
+		// Match SCP-like syntax and convert it to a URL.
+		// Eg, "git@github.com:user/repo" becomes
+		// "ssh://git@github.com/user/repo".
+		repoURL = &url.URL{
+			Scheme: "ssh",
+			User:   url.User(m[1]),
+			Host:   m[2],
+			Path:   m[3],
+		}
+	} else {
+		if !strings.Contains(repo, "//") {
+			repo = "//" + repo
+		}
+		if strings.HasPrefix(repo, "//git@") {
+			repo = "ssh:" + repo
+		} else if strings.HasPrefix(repo, "//") {
+			repo = "https:" + repo
+		}
+		repoURL, err = url.Parse(repo)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	// Iterate over insecure schemes too, because this function simply
+	// reports the state of the repo. If we can't see insecure schemes then
+	// we can't report the actual repo URL.
+	for _, s := range scheme {
+		if repoURL.Scheme == s {
+			return repoURL, nil
+		}
+	}
+	return nil, errors.New("unable to parse repo url")
+}

cmd/kratos/internal/base/vcs_url_test.go

@@ -0,0 +1,55 @@
+package base
+
+import (
+	"net"
+	"strings"
+	"testing"
+)
+
+func TestParseVCSUrl(t *testing.T) {
+	repos := []string{
+		// ssh://[user@]host.xz[:port]/path/to/repo.git/
+		"ssh://git@github.com:7875/go-kratos/kratos.git",
+		// git://host.xz[:port]/path/to/repo.git/
+		"git://github.com:7875/go-kratos/kratos.git",
+		// http[s]://host.xz[:port]/path/to/repo.git/
+		"https://github.com:7875/go-kratos/kratos.git",
+		// ftp[s]://host.xz[:port]/path/to/repo.git/
+		"ftps://github.com:7875/go-kratos/kratos.git",
+		//[user@]host.xz:path/to/repo.git/
+		"git@github.com:go-kratos/kratos.git",
+		// ssh://[user@]host.xz[:port]/~[user]/path/to/repo.git/
+		"ssh://git@github.com:7875/go-kratos/kratos.git",
+		// git://host.xz[:port]/~[user]/path/to/repo.git/
+		"git://github.com:7875/go-kratos/kratos.git",
+		//[user@]host.xz:/~[user]/path/to/repo.git/
+		"git@github.com:go-kratos/kratos.git",
+		///path/to/repo.git/
+		"~/go-kratos/kratos.git",
+		// file:///path/to/repo.git/
+		"file://~/go-kratos/kratos.git",
+	}
+	for _, repo := range repos {
+		url, err := ParseVCSUrl(repo)
+		if err != nil {
+			t.Fatal(repo, err)
+		}
+		urlPath := strings.TrimLeft(url.Path, "/")
+		if urlPath != "go-kratos/kratos.git" {
+			t.Fatal(repo, "parse url failed", urlPath)
+		}
+	}
+}
+
+func TestParseSsh(t *testing.T) {
+	repo := "ssh://git@github.com:7875/go-kratos/kratos.git"
+	url, err := ParseVCSUrl(repo)
+	if err != nil {
+		t.Fatal(err)
+	}
+	host, _, err := net.SplitHostPort(url.Host)
+	if err != nil {
+		host = url.Host
+	}
+	t.Log(host, url.Path)
+}

cmd/kratos/internal/change/change.go

@@ -28,7 +28,7 @@ func init() {
 	token = os.Getenv("GITHUB_TOKEN")
 }
 
-func run(cmd *cobra.Command, args []string) {
+func run(_ *cobra.Command, args []string) {
 	owner, repo := ParseGithubURL(repoURL)
 	api := GithubAPI{Owner: owner, Repo: repo, Token: token}
 	version := "latest"
@@ -38,8 +38,8 @@ func run(cmd *cobra.Command, args []string) {
 	if version == "dev" {
 		info := api.GetCommitsInfo()
 		fmt.Print(ParseCommitsInfo(info))
-	} else {
-		info := api.GetReleaseInfo(version)
-		fmt.Print(ParseReleaseInfo(info))
+		return
 	}
+	info := api.GetReleaseInfo(version)
+	fmt.Print(ParseReleaseInfo(info))
 }

cmd/kratos/internal/change/get.go

@@ -43,7 +43,7 @@ func (g *GithubAPI) GetReleaseInfo(version string) ReleaseInfo {
 	if version != "latest" {
 		api = fmt.Sprintf("https://api.github.com/repos/%s/%s/releases/tags/%s", g.Owner, g.Repo, version)
 	}
-	resp, code := requestGithubAPI(api, "GET", nil, g.Token)
+	resp, code := requestGithubAPI(api, http.MethodGet, nil, g.Token)
 	if code != http.StatusOK {
 		printGithubErrorInfo(resp)
 	}
@@ -59,10 +59,11 @@ func (g *GithubAPI) GetReleaseInfo(version string) ReleaseInfo {
 func (g *GithubAPI) GetCommitsInfo() []CommitInfo {
 	info := g.GetReleaseInfo("latest")
 	page := 1
+	prePage := 100
 	var list []CommitInfo
 	for {
-		url := fmt.Sprintf("https://api.github.com/repos/%s/%s/commits?pre_page=100&page=%d&since=%s", g.Owner, g.Repo, page, info.PublishedAt)
-		resp, code := requestGithubAPI(url, "GET", nil, g.Token)
+		url := fmt.Sprintf("https://api.github.com/repos/%s/%s/commits?pre_page=%d&page=%d&since=%s", g.Owner, g.Repo, prePage, page, info.PublishedAt)
+		resp, code := requestGithubAPI(url, http.MethodGet, nil, g.Token)
 		if code != http.StatusOK {
 			printGithubErrorInfo(resp)
 		}
@@ -72,7 +73,7 @@ func (g *GithubAPI) GetCommitsInfo() []CommitInfo {
 			fatal(err)
 		}
 		list = append(list, res...)
-		if len(res) < http.StatusContinue {
+		if len(res) < prePage {
 			break
 		}
 		page++
@@ -157,11 +158,12 @@ func ParseCommitsInfo(info []CommitInfo) string {
 		case "other":
 			text = "### Others\n"
 		}
-		if len(value) > 0 {
-			md[key] += text
-			for _, value := range value {
-				md[key] += fmt.Sprintf("- %s\n", value)
-			}
+		if len(value) == 0 {
+			continue
+		}
+		md[key] += text
+		for _, value := range value {
+			md[key] += fmt.Sprintf("- %s\n", value)
 		}
 	}
 	return fmt.Sprint(md["break"], md["deps"], md["feat"], md["fix"], md["chore"], md["other"])

cmd/kratos/internal/change/get_test.go

@@ -0,0 +1,25 @@
+package change
+
+import "testing"
+
+func TestParseGithubURL(t *testing.T) {
+	urls := []struct {
+		url   string
+		owner string
+		repo  string
+	}{
+		{"https://github.com/go-kratos/kratos.git", "go-kratos", "kratos"},
+		{"https://github.com/go-kratos/kratos", "go-kratos", "kratos"},
+		{"git@github.com:go-kratos/kratos.git", "go-kratos", "kratos"},
+		{"https://github.com/go-kratos/go-kratos.dev.git", "go-kratos", "go-kratos.dev"},
+	}
+	for _, url := range urls {
+		owner, repo := ParseGithubURL(url.url)
+		if owner != url.owner {
+			t.Fatalf("owner want: %s, got: %s", owner, url.owner)
+		}
+		if repo != url.repo {
+			t.Fatalf("repo want: %s, got: %s", repo, url.repo)
+		}
+	}
+}

cmd/kratos/internal/project/add.go

@@ -0,0 +1,67 @@
+package project
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/AlecAivazis/survey/v2"
+	"github.com/fatih/color"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
+)
+
+var repoAddIgnores = []string{
+	".git", ".github", "api", "README.md", "LICENSE", "go.mod", "go.sum", "third_party", "openapi.yaml", ".gitignore",
+}
+
+func (p *Project) Add(ctx context.Context, dir string, layout string, branch string, mod string) error {
+	to := filepath.Join(dir, p.Name)
+
+	if _, err := os.Stat(to); !os.IsNotExist(err) {
+		fmt.Printf("🚫 %s already exists\n", p.Name)
+		override := false
+		prompt := &survey.Confirm{
+			Message: "📂 Do you want to override the folder ?",
+			Help:    "Delete the existing folder and create the project.",
+		}
+		e := survey.AskOne(prompt, &override)
+		if e != nil {
+			return e
+		}
+		if !override {
+			return err
+		}
+		os.RemoveAll(to)
+	}
+
+	fmt.Printf("🚀 Add service %s, layout repo is %s, please wait a moment.\n\n", p.Name, layout)
+
+	repo := base.NewRepo(layout, branch)
+
+	if err := repo.CopyToV2(ctx, to, filepath.Join(mod, p.Path), repoAddIgnores, []string{filepath.Join(p.Path, "api"), "api"}); err != nil {
+		return err
+	}
+
+	e := os.Rename(
+		filepath.Join(to, "cmd", "server"),
+		filepath.Join(to, "cmd", p.Name),
+	)
+	if e != nil {
+		return e
+	}
+
+	base.Tree(to, dir)
+
+	fmt.Printf("\n🍺 Repository creation succeeded %s\n", color.GreenString(p.Name))
+	fmt.Print("💻 Use the following command to add a project 👇:\n\n")
+
+	fmt.Println(color.WhiteString("$ cd %s", p.Name))
+	fmt.Println(color.WhiteString("$ go generate ./..."))
+	fmt.Println(color.WhiteString("$ go build -o ./bin/ ./... "))
+	fmt.Println(color.WhiteString("$ ./bin/%s -conf ./configs\n", p.Name))
+	fmt.Println("			🤝 Thanks for using Kratos")
+	fmt.Println("	📚 Tutorial: https://go-kratos.dev/docs/getting-started/start")
+	return nil
+}

cmd/kratos/internal/project/new.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"fmt"
 	"os"
-	"path"
-
-	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
+	"path/filepath"
 
 	"github.com/AlecAivazis/survey/v2"
 	"github.com/fatih/color"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
 )
 
 // Project is a project template.
@@ -20,14 +20,14 @@ type Project struct {
 
 // New new a project from remote repo.
 func (p *Project) New(ctx context.Context, dir string, layout string, branch string) error {
-	to := path.Join(dir, p.Name)
+	to := filepath.Join(dir, p.Name)
 	if _, err := os.Stat(to); !os.IsNotExist(err) {
 		fmt.Printf("🚫 %s already exists\n", p.Name)
-		override := false
 		prompt := &survey.Confirm{
 			Message: "📂 Do you want to override the folder ?",
 			Help:    "Delete the existing folder and create the project.",
 		}
+		var override bool
 		e := survey.AskOne(prompt, &override)
 		if e != nil {
 			return e
@@ -39,12 +39,12 @@ func (p *Project) New(ctx context.Context, dir string, layout string, branch str
 	}
 	fmt.Printf("🚀 Creating service %s, layout repo is %s, please wait a moment.\n\n", p.Name, layout)
 	repo := base.NewRepo(layout, branch)
-	if err := repo.CopyTo(ctx, to, p.Path, []string{".git", ".github"}); err != nil {
+	if err := repo.CopyTo(ctx, to, p.Name, []string{".git", ".github"}); err != nil {
 		return err
 	}
 	e := os.Rename(
-		path.Join(to, "cmd", "server"),
-		path.Join(to, "cmd", p.Name),
+		filepath.Join(to, "cmd", "server"),
+		filepath.Join(to, "cmd", p.Name),
 	)
 	if e != nil {
 		return e

cmd/kratos/internal/project/project.go

@@ -5,11 +5,14 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/AlecAivazis/survey/v2"
 	"github.com/spf13/cobra"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
 )
 
 // CmdNew represents the new command.
@@ -24,6 +27,7 @@ var (
 	repoURL string
 	branch  string
 	timeout string
+	nomod   bool
 )
 
 func init() {
@@ -34,9 +38,10 @@ func init() {
 	CmdNew.Flags().StringVarP(&repoURL, "repo-url", "r", repoURL, "layout repo")
 	CmdNew.Flags().StringVarP(&branch, "branch", "b", branch, "repo branch")
 	CmdNew.Flags().StringVarP(&timeout, "timeout", "t", timeout, "time out")
+	CmdNew.Flags().BoolVarP(&nomod, "nomod", "", nomod, "retain go mod")
 }
 
-func run(cmd *cobra.Command, args []string) {
+func run(_ *cobra.Command, args []string) {
 	wd, err := os.Getwd()
 	if err != nil {
 		panic(err)
@@ -60,21 +65,85 @@ func run(cmd *cobra.Command, args []string) {
 	} else {
 		name = args[0]
 	}
-	p := &Project{Name: path.Base(name), Path: name}
+	projectName, workingDir := processProjectParams(name, wd)
+	p := &Project{Name: projectName}
 	done := make(chan error, 1)
 	go func() {
-		done <- p.New(ctx, wd, repoURL, branch)
+		if !nomod {
+			done <- p.New(ctx, workingDir, repoURL, branch)
+			return
+		}
+		projectRoot := getgomodProjectRoot(workingDir)
+		if gomodIsNotExistIn(projectRoot) {
+			done <- fmt.Errorf("🚫 go.mod don't exists in %s", projectRoot)
+			return
+		}
+
+		p.Path, err = filepath.Rel(projectRoot, filepath.Join(workingDir, projectName))
+		if err != nil {
+			done <- fmt.Errorf("🚫 failed to get relative path: %v", err)
+			return
+		}
+
+		mod, e := base.ModulePath(filepath.Join(projectRoot, "go.mod"))
+		if e != nil {
+			done <- fmt.Errorf("🚫 failed to parse `go.mod`: %v", e)
+			return
+		}
+		// Get the relative path for adding a project based on Go modules
+		p.Path = filepath.Join(strings.TrimPrefix(workingDir, projectRoot+"/"), p.Name)
+		done <- p.Add(ctx, workingDir, repoURL, branch, mod)
 	}()
 	select {
 	case <-ctx.Done():
 		if errors.Is(ctx.Err(), context.DeadlineExceeded) {
 			fmt.Fprint(os.Stderr, "\033[31mERROR: project creation timed out\033[m\n")
-		} else {
-			fmt.Fprintf(os.Stderr, "\033[31mERROR: failed to create project(%s)\033[m\n", ctx.Err().Error())
+			return
 		}
+		fmt.Fprintf(os.Stderr, "\033[31mERROR: failed to create project(%s)\033[m\n", ctx.Err().Error())
 	case err = <-done:
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "\033[31mERROR: Failed to create project(%s)\033[m\n", err.Error())
 		}
 	}
 }
+
+func processProjectParams(projectName string, workingDir string) (projectNameResult, workingDirResult string) {
+	_projectDir := projectName
+	_workingDir := workingDir
+	// Process ProjectName with system variable
+	if strings.HasPrefix(projectName, "~") {
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			// cannot get user home return fallback place dir
+			return _projectDir, _workingDir
+		}
+		_projectDir = filepath.Join(homeDir, projectName[2:])
+	}
+
+	// check path is relative
+	if !filepath.IsAbs(projectName) {
+		absPath, err := filepath.Abs(projectName)
+		if err != nil {
+			return _projectDir, _workingDir
+		}
+		_projectDir = absPath
+	}
+
+	return filepath.Base(_projectDir), filepath.Dir(_projectDir)
+}
+
+func getgomodProjectRoot(dir string) string {
+	if dir == filepath.Dir(dir) {
+		return dir
+	}
+	if gomodIsNotExistIn(dir) {
+		return getgomodProjectRoot(filepath.Dir(dir))
+	}
+	return dir
+}
+
+func gomodIsNotExistIn(dir string) bool {
+	_, e := os.Stat(filepath.Join(dir, "go.mod"))
+	return os.IsNotExist(e)
+}

cmd/kratos/internal/project/project_linux_test.go

@@ -0,0 +1,29 @@
+//go:build linux
+// +build linux
+
+package project
+
+import (
+	"testing"
+)
+
+func Test_processProjectParams(t *testing.T) {
+	type args struct {
+		projectName      string
+		fallbackPlaceDir string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{"absLinux", args{projectName: "/home/kratos/awesome/go/demo", fallbackPlaceDir: ""}, "/home/kratos/awesome/go"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if _, got := processProjectParams(tt.args.projectName, tt.args.fallbackPlaceDir); got != tt.want {
+				t.Errorf("processProjectParams() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

cmd/kratos/internal/project/project_test.go

@@ -0,0 +1,144 @@
+package project
+
+import (
+	"fmt"
+	"go/parser"
+	"go/token"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
+)
+
+// TestCmdNew tests the `kratos new` command.
+func TestCmdNew(t *testing.T) {
+	cwd := changeCurrentDir(t)
+	projectName := "helloworld"
+
+	// create a new project
+	CmdNew.SetArgs([]string{projectName})
+	if err := CmdNew.Execute(); err != nil {
+		t.Fatalf("executing command: %v", err)
+	}
+
+	// check that the expected files were created
+	for _, file := range []string{
+		"go.mod",
+		"go.sum",
+		"README.md",
+		"cmd/helloworld/main.go",
+	} {
+		if _, err := os.Stat(filepath.Join(cwd, projectName, file)); err != nil {
+			t.Errorf("expected file %s to exist", file)
+		}
+	}
+
+	// check that the go.mod file contains the expected module name
+	assertGoMod(t, filepath.Join(cwd, projectName, "go.mod"), projectName)
+
+	assertImportsInclude(t, filepath.Join(cwd, projectName, "cmd", projectName, "wire.go"), fmt.Sprintf(`"%s/internal/biz"`, projectName))
+}
+
+// TestCmdNewNoMod tests the `kratos new` command with the --nomod flag.
+func TestCmdNewNoMod(t *testing.T) {
+	cwd := changeCurrentDir(t)
+
+	// create a new project
+	CmdNew.SetArgs([]string{"project"})
+	if err := CmdNew.Execute(); err != nil {
+		t.Fatalf("executing command: %v", err)
+	}
+
+	// add new app with --nomod flag
+	CmdNew.SetArgs([]string{"--nomod", "project/app/user"})
+	if err := CmdNew.Execute(); err != nil {
+		t.Fatalf("executing command: %v", err)
+	}
+
+	// check that the expected files were created
+	for _, file := range []string{
+		"go.mod",
+		"go.sum",
+		"README.md",
+		"cmd/project/main.go",
+		"app/user/cmd/user/main.go",
+	} {
+		if _, err := os.Stat(filepath.Join(cwd, "project", file)); err != nil {
+			t.Errorf("expected file %s to exist", file)
+		}
+	}
+
+	assertImportsInclude(t, filepath.Join(cwd, "project/app/user/cmd/user/wire.go"), `"project/app/user/internal/biz"`)
+}
+
+// assertImportsInclude checks that the file at path contains the expected import.
+func assertImportsInclude(t *testing.T, path, expected string) {
+	t.Helper()
+
+	got, err := imports(path)
+	if err != nil {
+		t.Fatalf("getting imports: %v", err)
+	}
+
+	for _, imp := range got {
+		if imp == expected {
+			return
+		}
+	}
+
+	t.Errorf("expected imports to include %s, got %v", expected, got)
+}
+
+// imports returns the imports in the file at path.
+func imports(path string) ([]string, error) {
+	fset := token.NewFileSet()
+	f, err := parser.ParseFile(fset, path, nil, parser.ImportsOnly)
+	if err != nil {
+		return nil, err
+	}
+
+	imports := make([]string, 0, len(f.Imports))
+	for _, s := range f.Imports {
+		imports = append(imports, s.Path.Value)
+	}
+
+	return imports, nil
+}
+
+// assertGoMod checks that the go.mod file contains the expected module name.
+func assertGoMod(t *testing.T, path, expected string) {
+	t.Helper()
+
+	got, err := base.ModulePath(path)
+	if err != nil {
+		t.Fatalf("getting module path: %v", err)
+	}
+
+	if got != expected {
+		t.Errorf("expected module name %s, got %s", expected, got)
+	}
+}
+
+// change the working directory to the tempdir
+func changeCurrentDir(t *testing.T) string {
+	t.Helper()
+
+	tmp := t.TempDir()
+
+	oldCWD, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("getting working directory: %v", err)
+	}
+
+	if err := os.Chdir(tmp); err != nil {
+		t.Fatalf("changing working directory: %v", err)
+	}
+	t.Cleanup(func() {
+		if err := os.Chdir(oldCWD); err != nil {
+			t.Fatalf("restoring working directory: %v", err)
+		}
+	})
+
+	return tmp
+}

cmd/kratos/internal/project/project_windows_test.go

@@ -0,0 +1,30 @@
+//go:build windows
+// +build windows
+
+package project
+
+import (
+	"testing"
+)
+
+func Test_processProjectParams(t *testing.T) {
+	type args struct {
+		projectName      string
+		fallbackPlaceDir string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{"absWindows", args{projectName: "c:\\kratos\\awesome\\go\\demo", fallbackPlaceDir: ""}, "c:\\kratos\\awesome\\go"},
+		//{"relativeWindows", args{projectName: "/home/kratos/awesome/go/demo", fallbackPlaceDir: ""}, "/home/kratos/awesome/go"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if _, got := processProjectParams(tt.args.projectName, tt.args.fallbackPlaceDir); got != tt.want {
+				t.Errorf("getProjectPlaceDir() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

cmd/kratos/internal/proto/add/add.go

@@ -7,18 +7,23 @@ import (
 
 	"github.com/spf13/cobra"
 	"golang.org/x/mod/modfile"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 // CmdAdd represents the add command.
 var CmdAdd = &cobra.Command{
 	Use:   "add",
 	Short: "Add a proto API template",
-	Long:  "Add a proto API template. Example: kratos add helloworld/v1/hello.proto",
+	Long:  "Add a proto API template. Example: kratos proto add helloworld/v1/hello.proto",
 	Run:   run,
 }
 
-func run(cmd *cobra.Command, args []string) {
-	// kratos proto add helloworld/v1/helloworld.proto
+func run(_ *cobra.Command, args []string) {
+	if len(args) == 0 {
+		fmt.Println("Please enter the proto file or directory")
+		return
+	}
 	input := args[0]
 	n := strings.LastIndex(input, "/")
 	if n == -1 {
@@ -63,7 +68,11 @@ func javaPackage(name string) string {
 }
 
 func serviceName(name string) string {
-	return export(strings.Split(name, ".")[0])
+	return toUpperCamelCase(strings.Split(name, ".")[0])
 }
 
-func export(s string) string { return strings.ToUpper(s[:1]) + s[1:] }
+func toUpperCamelCase(s string) string {
+	s = strings.ReplaceAll(s, "_", " ")
+	s = cases.Title(language.Und, cases.NoLower).String(s)
+	return strings.ReplaceAll(s, " ", "")
+}

cmd/kratos/internal/proto/add/add_test.go

@@ -0,0 +1,38 @@
+package add
+
+import "testing"
+
+func TestUnderscoreToUpperCamelCase(t *testing.T) {
+	tests := []struct {
+		name string
+		want string
+	}{
+		{
+			name: "hello_world",
+			want: "HelloWorld",
+		},
+		{
+			name: "v2_kratos_dev",
+			want: "V2KratosDev",
+		},
+		{
+			name: "www_Google_com",
+			want: "WwwGoogleCom",
+		},
+		{
+			name: "wwwBaidu_com",
+			want: "WwwBaiduCom",
+		},
+		{
+			name: "HelloWorld",
+			want: "HelloWorld",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := toUpperCamelCase(tt.name); got != tt.want {
+				t.Errorf("toUpperCamelCase() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

cmd/kratos/internal/proto/add/proto.go

@@ -3,7 +3,7 @@ package add
 import (
 	"fmt"
 	"os"
-	"path"
+	"path/filepath"
 )
 
 // Proto is a proto generator.
@@ -26,13 +26,13 @@ func (p *Proto) Generate() error {
 	if err != nil {
 		panic(err)
 	}
-	to := path.Join(wd, p.Path)
+	to := filepath.Join(wd, p.Path)
 	if _, err := os.Stat(to); os.IsNotExist(err) {
 		if err := os.MkdirAll(to, 0o700); err != nil {
 			return err
 		}
 	}
-	name := path.Join(to, p.Name)
+	name := filepath.Join(to, p.Name)
 	if _, err := os.Stat(name); !os.IsNotExist(err) {
 		return fmt.Errorf("%s already exists", p.Name)
 	}

cmd/kratos/internal/proto/client/client.go

@@ -8,9 +8,9 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
-
 	"github.com/spf13/cobra"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
 )
 
 // CmdClient represents the source command.
@@ -30,7 +30,7 @@ func init() {
 	CmdClient.Flags().StringVarP(&protoPath, "proto_path", "p", protoPath, "proto path")
 }
 
-func run(cmd *cobra.Command, args []string) {
+func run(_ *cobra.Command, args []string) {
 	if len(args) == 0 {
 		fmt.Println("Please enter the proto file or directory")
 		return
@@ -39,7 +39,7 @@ func run(cmd *cobra.Command, args []string) {
 		err   error
 		proto = strings.TrimSpace(args[0])
 	)
-	if err = look("protoc-gen-go", "protoc-gen-go-grpc", "protoc-gen-go-http", "protoc-gen-go-errors", "protoc-gen-validate", "protoc-gen-openapi"); err != nil {
+	if err = look("protoc-gen-go", "protoc-gen-go-grpc", "protoc-gen-go-http", "protoc-gen-go-errors", "protoc-gen-openapi"); err != nil {
 		// update the kratos plugins
 		cmd := exec.Command("kratos", "upgrade")
 		cmd.Stdout = os.Stdout

cmd/kratos/internal/proto/proto.go

@@ -1,11 +1,11 @@
 package proto
 
 import (
+	"github.com/spf13/cobra"
+
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/proto/add"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/proto/client"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/proto/server"
-
-	"github.com/spf13/cobra"
 )
 
 // CmdProto represents the proto command.
@@ -13,7 +13,6 @@ var CmdProto = &cobra.Command{
 	Use:   "proto",
 	Short: "Generate the proto files",
 	Long:  "Generate the proto files.",
-	Run:   run,
 }
 
 func init() {
@@ -21,6 +20,3 @@ func init() {
 	CmdProto.AddCommand(client.CmdClient)
 	CmdProto.AddCommand(server.CmdServer)
 }
-
-func run(cmd *cobra.Command, args []string) {
-}

cmd/kratos/internal/proto/server/server.go

@@ -4,18 +4,20 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"path"
+	"path/filepath"
 	"strings"
 
 	"github.com/emicklei/proto"
 	"github.com/spf13/cobra"
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 )
 
 // CmdServer the service command.
 var CmdServer = &cobra.Command{
 	Use:   "server",
-	Short: "Generate the proto Server implementations",
-	Long:  "Generate the proto Server implementations. Example: kratos proto server api/xxx.proto -target-dir=internal/service",
+	Short: "Generate the proto server implementations",
+	Long:  "Generate the proto server implementations. Example: kratos proto server api/xxx.proto --target-dir=internal/service",
 	Run:   run,
 }
 var targetDir string
@@ -24,7 +26,7 @@ func init() {
 	CmdServer.Flags().StringVarP(&targetDir, "target-dir", "t", "internal/service", "generate target directory")
 }
 
-func run(cmd *cobra.Command, args []string) {
+func run(_ *cobra.Command, args []string) {
 	if len(args) == 0 {
 		fmt.Fprintln(os.Stderr, "Please specify the proto file. Example: kratos proto server api/xxx.proto")
 		return
@@ -54,26 +56,27 @@ func run(cmd *cobra.Command, args []string) {
 		proto.WithService(func(s *proto.Service) {
 			cs := &Service{
 				Package: pkg,
-				Service: s.Name,
+				Service: serviceName(s.Name),
 			}
 			for _, e := range s.Elements {
 				r, ok := e.(*proto.RPC)
-				if ok {
-					cs.Methods = append(cs.Methods, &Method{
-						Service: s.Name, Name: r.Name, Request: r.RequestType,
-						Reply: r.ReturnsType, Type: getMethodType(r.StreamsRequest, r.StreamsReturns),
-					})
+				if !ok {
+					continue
 				}
+				cs.Methods = append(cs.Methods, &Method{
+					Service: serviceName(s.Name), Name: serviceName(r.Name), Request: parametersName(r.RequestType),
+					Reply: parametersName(r.ReturnsType), Type: getMethodType(r.StreamsRequest, r.StreamsReturns),
+				})
 			}
 			res = append(res, cs)
 		}),
 	)
 	if _, err := os.Stat(targetDir); os.IsNotExist(err) {
-		fmt.Printf("Target directory: %s does not exsits\n", targetDir)
+		fmt.Printf("Target directory: %s does not exsit\n", targetDir)
 		return
 	}
 	for _, s := range res {
-		to := path.Join(targetDir, strings.ToLower(s.Service)+".go")
+		to := filepath.Join(targetDir, strings.ToLower(s.Service)+".go")
 		if _, err := os.Stat(to); !os.IsNotExist(err) {
 			fmt.Fprintf(os.Stderr, "%s already exists: %s\n", s.Service, to)
 			continue
@@ -101,3 +104,17 @@ func getMethodType(streamsRequest, streamsReturns bool) MethodType {
 	}
 	return unaryType
 }
+
+func parametersName(name string) string {
+	return strings.ReplaceAll(name, ".", "_")
+}
+
+func serviceName(name string) string {
+	return toUpperCamelCase(strings.Split(name, ".")[0])
+}
+
+func toUpperCamelCase(s string) string {
+	s = strings.ReplaceAll(s, "_", " ")
+	s = cases.Title(language.Und, cases.NoLower).String(s)
+	return strings.ReplaceAll(s, " ", "")
+}

cmd/kratos/internal/proto/server/server_test.go

@@ -0,0 +1,102 @@
+package server
+
+import "testing"
+
+func Test_serviceName(t *testing.T) {
+	type args struct {
+		str string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "serviceName on lowercase words",
+			args: args{str: "helloworld"},
+			want: "Helloworld",
+		},
+		{
+			name: "serviceName on uppercase words",
+			args: args{str: "HELLOWORLD"},
+			want: "HELLOWORLD",
+		},
+		{
+			name: "serviceName on lowercase words with spaces",
+			args: args{str: "hello world"},
+			want: "HelloWorld",
+		},
+		{
+			name: "serviceName on uppercase words with spaces",
+			args: args{str: "HELLO WORLD"},
+			want: "HELLOWORLD",
+		},
+		{
+			name: "serviceName on Lower Camel Case words",
+			args: args{str: "helloWorld"},
+			want: "HelloWorld",
+		},
+		{
+			name: "serviceName on Lower Camel Case words",
+			args: args{str: "helloWorld"},
+			want: "HelloWorld",
+		},
+		{
+			name: "serviceName on Upper Camel Case words",
+			args: args{str: "HelloWorld"},
+			want: "HelloWorld",
+		},
+		{
+			name: "serviceName on Upper Camel Case words",
+			args: args{str: "hello_world"},
+			want: "HelloWorld",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := serviceName(tt.args.str); got != tt.want {
+				t.Errorf("serviceName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}
+
+func Test_parametersName(t *testing.T) {
+	type args struct {
+		name string
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{
+			name: "parametersName on not nested",
+			args: args{
+				name: "MessageResponse",
+			},
+			want: "MessageResponse",
+		},
+		{
+			name: "parametersName on One layer of nesting",
+			args: args{
+				name: "Message.Response",
+			},
+			want: "Message_Response",
+		},
+		{
+			name: "parametersName on Two layer of nesting",
+			args: args{
+				name: "Message.Message2.Response",
+			},
+			want: "Message_Message2_Response",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := parametersName(tt.args.name); got != tt.want {
+				t.Errorf("parametersName() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

cmd/kratos/internal/proto/server/template.go

@@ -5,6 +5,7 @@ import (
 	"html/template"
 )
 
+//nolint:lll
 var serviceTemplate = `
 {{- /* delete empty line */ -}}
 package service
@@ -34,8 +35,7 @@ func New{{ .Service }}Service() *{{ .Service }}Service {
 {{- $s1 := "google.protobuf.Empty" }}
 {{ range .Methods }}
 {{- if eq .Type 1 }}
-func (s *{{ .Service }}Service) {{ .Name }}(ctx context.Context, req {{ if eq .Request $s1 }}*emptypb.Empty
-{{ else }}*pb.{{ .Request }}{{ end }}) ({{ if eq .Reply $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Reply }}{{ end }}, error) {
+func (s *{{ .Service }}Service) {{ .Name }}(ctx context.Context, req {{ if eq .Request $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Request }}{{ end }}) ({{ if eq .Reply $s1 }}*emptypb.Empty{{ else }}*pb.{{ .Reply }}{{ end }}, error) {
 	return {{ if eq .Reply $s1 }}&emptypb.Empty{}{{ else }}&pb.{{ .Reply }}{}{{ end }}, nil
 }
 

cmd/kratos/internal/run/run.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
 	"strings"
 
@@ -19,12 +18,18 @@ var CmdRun = &cobra.Command{
 	Long:  "Run project. Example: kratos run",
 	Run:   Run,
 }
+var targetDir string
+
+func init() {
+	CmdRun.Flags().StringVarP(&targetDir, "work", "w", "", "target working directory")
+}
 
 // Run run project.
 func Run(cmd *cobra.Command, args []string) {
 	var dir string
-	if len(args) > 0 {
-		dir = args[0]
+	cmdArgs, programArgs := splitArgs(cmd, args)
+	if len(cmdArgs) > 0 {
+		dir = cmdArgs[0]
 	}
 	base, err := os.Getwd()
 	if err != nil {
@@ -38,40 +43,58 @@ func Run(cmd *cobra.Command, args []string) {
 			fmt.Fprintf(os.Stderr, "\033[31mERROR: %s\033[m\n", err)
 			return
 		}
-		if len(cmdPath) == 0 {
+		switch len(cmdPath) {
+		case 0:
 			fmt.Fprintf(os.Stderr, "\033[31mERROR: %s\033[m\n", "The cmd directory cannot be found in the current directory")
 			return
-		} else if len(cmdPath) == 1 {
-			for k, v := range cmdPath {
-				dir = path.Join(v, k)
+		case 1:
+			for _, v := range cmdPath {
+				dir = v
 			}
-		} else {
+		default:
 			var cmdPaths []string
 			for k := range cmdPath {
 				cmdPaths = append(cmdPaths, k)
 			}
 			prompt := &survey.Select{
-				Message: "Which directory do you want to run?",
-				Options: cmdPaths,
+				Message:  "Which directory do you want to run?",
+				Options:  cmdPaths,
+				PageSize: 10,
 			}
 			e := survey.AskOne(prompt, &dir)
 			if e != nil || dir == "" {
 				return
 			}
-			dir = path.Join(cmdPath[dir], dir)
+			dir = cmdPath[dir]
 		}
 	}
-	fd := exec.Command("go", "run", ".")
+	fd := exec.Command("go", append([]string{"run", dir}, programArgs...)...)
 	fd.Stdout = os.Stdout
 	fd.Stderr = os.Stderr
 	fd.Dir = dir
+	changeWorkingDirectory(fd, targetDir)
 	if err := fd.Run(); err != nil {
 		fmt.Fprintf(os.Stderr, "\033[31mERROR: %s\033[m\n", err.Error())
 		return
 	}
 }
 
+func splitArgs(cmd *cobra.Command, args []string) (cmdArgs, programArgs []string) {
+	dashAt := cmd.ArgsLenAtDash()
+	if dashAt >= 0 {
+		return args[:dashAt], args[dashAt:]
+	}
+	return args, []string{}
+}
+
 func findCMD(base string) (map[string]string, error) {
+	wd, err := os.Getwd()
+	if err != nil {
+		return nil, err
+	}
+	if !strings.HasSuffix(wd, "/") {
+		wd += "/"
+	}
 	var root bool
 	next := func(dir string) (map[string]string, error) {
 		cmdPath := make(map[string]string)
@@ -84,7 +107,8 @@ func findCMD(base string) (map[string]string, error) {
 				}
 				for _, fileInfo := range paths {
 					if fileInfo.IsDir() {
-						cmdPath[path.Join("cmd", fileInfo.Name())] = filepath.Join(walkPath, "..")
+						abs := filepath.Join(walkPath, fileInfo.Name())
+						cmdPath[strings.TrimPrefix(abs, wd)] = abs
 					}
 				}
 				return nil
@@ -112,3 +136,10 @@ func findCMD(base string) (map[string]string, error) {
 	}
 	return map[string]string{"": base}, nil
 }
+
+func changeWorkingDirectory(cmd *exec.Cmd, targetDir string) {
+	targetDir = strings.TrimSpace(targetDir)
+	if targetDir != "" {
+		cmd.Dir = targetDir
+	}
+}

cmd/kratos/internal/upgrade/upgrade.go

@@ -3,9 +3,9 @@ package upgrade
 import (
 	"fmt"
 
-	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
-
 	"github.com/spf13/cobra"
+
+	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/base"
 )
 
 // CmdUpgrade represents the upgrade command.
@@ -17,16 +17,14 @@ var CmdUpgrade = &cobra.Command{
 }
 
 // Run upgrade the kratos tools.
-func Run(cmd *cobra.Command, args []string) {
+func Run(_ *cobra.Command, _ []string) {
 	err := base.GoInstall(
-		"github.com/go-kratos/kratos/cmd/kratos/v2",
-		"github.com/go-kratos/kratos/cmd/protoc-gen-go-http/v2",
-		"github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2",
-		"google.golang.org/protobuf/cmd/protoc-gen-go",
-		"google.golang.org/grpc/cmd/protoc-gen-go-grpc",
-		"github.com/envoyproxy/protoc-gen-validate",
-		"github.com/google/gnostic",
-		"github.com/google/gnostic/apps/protoc-gen-openapi",
+		"github.com/go-kratos/kratos/cmd/kratos/v2@latest",
+		"github.com/go-kratos/kratos/cmd/protoc-gen-go-http/v2@latest",
+		"github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2@latest",
+		"google.golang.org/protobuf/cmd/protoc-gen-go@latest",
+		"google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest",
+		"github.com/google/gnostic/cmd/protoc-gen-openapi@latest",
 	)
 	if err != nil {
 		fmt.Println(err)

cmd/kratos/main.go

@@ -3,13 +3,13 @@ package main
 import (
 	"log"
 
+	"github.com/spf13/cobra"
+
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/change"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/project"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/proto"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/run"
 	"github.com/go-kratos/kratos/cmd/kratos/v2/internal/upgrade"
-
-	"github.com/spf13/cobra"
 )
 
 var rootCmd = &cobra.Command{

cmd/kratos/version.go

@@ -1,4 +1,4 @@
 package main
 
 // release is the current kratos tool version.
-const release = "v2.1.4"
+const release = "v2.6.3"

cmd/protoc-gen-go-errors/errors.go

@@ -3,10 +3,15 @@ package main
 import (
 	"fmt"
 	"strings"
+	"unicode"
+
+	"golang.org/x/text/cases"
+	"golang.org/x/text/language"
 
-	"github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2/errors"
 	"google.golang.org/protobuf/compiler/protogen"
 	"google.golang.org/protobuf/proto"
+
+	"github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2/errors"
 )
 
 const (
@@ -14,6 +19,8 @@ const (
 	fmtPackage    = protogen.GoImportPath("fmt")
 )
 
+var enCases = cases.Title(language.AmericanEnglish, cases.NoLower)
+
 // generateFile generates a _errors.pb.go file containing kratos errors definitions.
 func generateFile(gen *protogen.Plugin, file *protogen.File) *protogen.GeneratedFile {
 	if len(file.Enums) == 0 {
@@ -42,8 +49,7 @@ func generateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.
 	g.P()
 	index := 0
 	for _, enum := range file.Enums {
-		skip := genErrorsReason(gen, file, g, enum)
-		if !skip {
+		if !genErrorsReason(gen, file, g, enum) {
 			index++
 		}
 	}
@@ -53,7 +59,7 @@ func generateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.
 	}
 }
 
-func genErrorsReason(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, enum *protogen.Enum) bool {
+func genErrorsReason(_ *protogen.Plugin, _ *protogen.File, g *protogen.GeneratedFile, enum *protogen.Enum) bool {
 	defaultCode := proto.GetExtension(enum.Desc.Options(), errors.E_DefaultCode)
 	code := 0
 	if ok := defaultCode.(int32); ok != 0 {
@@ -77,11 +83,19 @@ func genErrorsReason(gen *protogen.Plugin, file *protogen.File, g *protogen.Gene
 		if enumCode == 0 {
 			continue
 		}
+
+		comment := v.Comments.Leading.String()
+		if comment == "" {
+			comment = v.Comments.Trailing.String()
+		}
+
 		err := &errorInfo{
 			Name:       string(enum.Desc.Name()),
 			Value:      string(v.Desc.Name()),
 			CamelValue: case2Camel(string(v.Desc.Name())),
 			HTTPCode:   enumCode,
+			Comment:    comment,
+			HasComment: len(comment) > 0,
 		}
 		ew.Errors = append(ew.Errors, err)
 	}
@@ -89,19 +103,33 @@ func genErrorsReason(gen *protogen.Plugin, file *protogen.File, g *protogen.Gene
 		return true
 	}
 	g.P(ew.execute())
+
 	return false
 }
 
 func case2Camel(name string) string {
 	if !strings.Contains(name, "_") {
-		upperName := strings.ToUpper(name)
-		if upperName == name {
+		if name == strings.ToUpper(name) {
 			name = strings.ToLower(name)
 		}
-		return strings.Title(name)
+		return enCases.String(name)
+	}
+	strs := strings.Split(name, "_")
+	words := make([]string, 0, len(strs))
+	for _, w := range strs {
+		hasLower := false
+		for _, r := range w {
+			if unicode.IsLower(r) {
+				hasLower = true
+				break
+			}
+		}
+		if !hasLower {
+			w = strings.ToLower(w)
+		}
+		w = enCases.String(w)
+		words = append(words, w)
 	}
-	name = strings.ToLower(name)
-	name = strings.Replace(name, "_", " ", -1)
-	name = strings.Title(name)
-	return strings.Replace(name, " ", "", -1)
+
+	return strings.Join(words, "")
 }

cmd/protoc-gen-go-errors/errorsTemplate.tpl

@@ -0,0 +1,17 @@
+{{ range .Errors }}
+
+{{ if .HasComment }}{{ .Comment }}{{ end -}}
+func Is{{.CamelValue}}(err error) bool {
+	if err == nil {
+		return false
+	}
+	e := errors.FromError(err)
+	return e.Reason == {{ .Name }}_{{ .Value }}.String() && e.Code == {{ .HTTPCode }}
+}
+
+{{ if .HasComment }}{{ .Comment }}{{ end -}}
+func Error{{ .CamelValue }}(format string, args ...interface{}) *errors.Error {
+	 return errors.New({{ .HTTPCode }}, {{ .Name }}_{{ .Value }}.String(), fmt.Sprintf(format, args...))
+}
+
+{{- end }}

cmd/protoc-gen-go-errors/go.mod

@@ -2,4 +2,7 @@ module github.com/go-kratos/kratos/cmd/protoc-gen-go-errors/v2
 
 go 1.16
 
-require google.golang.org/protobuf v1.27.1
+require (
+	golang.org/x/text v0.3.8
+	google.golang.org/protobuf v1.28.0
+)

cmd/protoc-gen-go-errors/go.sum

@@ -1,8 +1,33 @@
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=

cmd/protoc-gen-go-errors/template.go

@@ -2,32 +2,20 @@ package main
 
 import (
 	"bytes"
+	_ "embed"
 	"text/template"
 )
 
-var errorsTemplate = `
-{{ range .Errors }}
-
-func Is{{.CamelValue}}(err error) bool {
-	if err == nil {
-		return false
-	}
-	e := errors.FromError(err)
-	return e.Reason == {{.Name}}_{{.Value}}.String() && e.Code == {{.HTTPCode}} 
-}
-
-func Error{{.CamelValue}}(format string, args ...interface{}) *errors.Error {
-	 return errors.New({{.HTTPCode}}, {{.Name}}_{{.Value}}.String(), fmt.Sprintf(format, args...))
-}
-
-{{- end }}
-`
+//go:embed errorsTemplate.tpl
+var errorsTemplate string
 
 type errorInfo struct {
 	Name       string
 	Value      string
 	HTTPCode   int
 	CamelValue string
+	Comment    string
+	HasComment bool
 }
 
 type errorWrapper struct {

cmd/protoc-gen-go-errors/version.go

@@ -1,4 +1,4 @@
 package main
 
 // release is the current protoc-gen-go-errors version.
-const release = "v2.1.4"
+const release = "v2.6.3"

cmd/protoc-gen-go-http/go.mod

@@ -3,8 +3,6 @@ module github.com/go-kratos/kratos/cmd/protoc-gen-go-http/v2
 go 1.16
 
 require (
-	github.com/go-kratos/kratos/v2 v2.1.3
-	github.com/stretchr/testify v1.7.0
-	google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67
-	google.golang.org/protobuf v1.27.1
+	google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd
+	google.golang.org/protobuf v1.28.0
 )

cmd/protoc-gen-go-http/go.sum

@@ -1,7 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
@@ -9,30 +8,17 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
-github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
+github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.mod h1:KJwIaB5Mv44NWtYuAOFCVOjcI94vtpEz2JU/D2v6IjE=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
-github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/go-kratos/aegis v0.1.1/go.mod h1:jYeSQ3Gesba478zEnujOiG5QdsyF3Xk/8owFUeKcHxw=
-github.com/go-kratos/kratos/v2 v2.1.3 h1:e2uq6NVJIo24s1flI7aiUp34MyiG40Uc6lI0xv1+iDc=
-github.com/go-kratos/kratos/v2 v2.1.3/go.mod h1:/SOOBnLEDEgQRXV9bVVyZsITmxKsilSCc15U8uiNzcI=
-github.com/go-ole/go-ole v1.2.5/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
-github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
-github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
-github.com/go-playground/form/v4 v4.2.0 h1:N1wh+Goz61e6w66vo8vJkQt+uwZSoLz50kZPJWR8eic=
-github.com/go-playground/form/v4 v4.2.0/go.mod h1:q1a2BY+AQUUzhl6xA/6hBetay6dEIhMHjgvJiGo6K7U=
-github.com/golang-jwt/jwt/v4 v4.0.0/go.mod h1:/xlHOz8bRuivTWchD4jCa+NbatV+wEUSzwAxVc6locg=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -47,7 +33,6 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
-github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -58,47 +43,28 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
-github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
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-go.opentelemetry.io/otel/trace v1.0.0/go.mod h1:PXTWqayeFUlJV1YDNhsJYB184+IvAH814St6o6ajzIs=
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 h1:4nGaVu0QrbjT/AK2PRLuQfQuh6DJve+pELhqTdAj3x0=
+golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -106,35 +72,24 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/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/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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-golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.1.5/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -144,17 +99,15 @@ google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67 h1:VmMSf20ssFK0+u1dscyTH9bU4/M4y+X/xNfkvD6kGtM=
-google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
+google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd h1:e0TwkXOdbnH/1x5rc5MZ/VYyiZ4v+RdVfrGMqEwT68I=
+google.golang.org/genproto v0.0.0-20220519153652-3a47de7e79bd/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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-google.golang.org/grpc v1.39.0/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
-google.golang.org/grpc v1.42.0 h1:XT2/MFpuPFsEX2fWh3YQtHkZ+WYZFQRfaUgLZYj/p6A=
-google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
+google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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@@ -166,15 +119,12 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD
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 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
 google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

cmd/protoc-gen-go-http/http.go

@@ -2,13 +2,13 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 	"os"
 	"regexp"
 	"strings"
 
 	"google.golang.org/protobuf/reflect/protoreflect"
 
-	"github.com/go-kratos/kratos/v2"
 	"google.golang.org/genproto/googleapis/api/annotations"
 	"google.golang.org/protobuf/compiler/protogen"
 	"google.golang.org/protobuf/proto"
@@ -24,7 +24,7 @@ const (
 var methodSets = make(map[string]int)
 
 // generateFile generates a _http.pb.go file containing kratos errors definitions.
-func generateFile(gen *protogen.Plugin, file *protogen.File, omitempty bool) *protogen.GeneratedFile {
+func generateFile(gen *protogen.Plugin, file *protogen.File, omitempty bool, omitemptyPrefix string) *protogen.GeneratedFile {
 	if len(file.Services) == 0 || (omitempty && !hasHTTPRule(file.Services)) {
 		return nil
 	}
@@ -32,16 +32,22 @@ func generateFile(gen *protogen.Plugin, file *protogen.File, omitempty bool) *pr
 	g := gen.NewGeneratedFile(filename, file.GoImportPath)
 	g.P("// Code generated by protoc-gen-go-http. DO NOT EDIT.")
 	g.P("// versions:")
-	g.P(fmt.Sprintf("// protoc-gen-go-http %s", kratos.Release))
+	g.P(fmt.Sprintf("// - protoc-gen-go-http %s", release))
+	g.P("// - protoc             ", protocVersion(gen))
+	if file.Proto.GetOptions().GetDeprecated() {
+		g.P("// ", file.Desc.Path(), " is a deprecated file.")
+	} else {
+		g.P("// source: ", file.Desc.Path())
+	}
 	g.P()
 	g.P("package ", file.GoPackageName)
 	g.P()
-	generateFileContent(gen, file, g, omitempty)
+	generateFileContent(gen, file, g, omitempty, omitemptyPrefix)
 	return g
 }
 
 // generateFileContent generates the kratos errors definitions, excluding the package statement.
-func generateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, omitempty bool) {
+func generateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, omitempty bool, omitemptyPrefix string) {
 	if len(file.Services) == 0 {
 		return
 	}
@@ -53,11 +59,11 @@ func generateFileContent(gen *protogen.Plugin, file *protogen.File, g *protogen.
 	g.P()
 
 	for _, service := range file.Services {
-		genService(gen, file, g, service, omitempty)
+		genService(gen, file, g, service, omitempty, omitemptyPrefix)
 	}
 }
 
-func genService(gen *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, service *protogen.Service, omitempty bool) {
+func genService(_ *protogen.Plugin, file *protogen.File, g *protogen.GeneratedFile, service *protogen.Service, omitempty bool, omitemptyPrefix string) {
 	if service.Desc.Options().(*descriptorpb.ServiceOptions).GetDeprecated() {
 		g.P("//")
 		g.P(deprecationComment)
@@ -75,12 +81,12 @@ func genService(gen *protogen.Plugin, file *protogen.File, g *protogen.Generated
 		rule, ok := proto.GetExtension(method.Desc.Options(), annotations.E_Http).(*annotations.HttpRule)
 		if rule != nil && ok {
 			for _, bind := range rule.AdditionalBindings {
-				sd.Methods = append(sd.Methods, buildHTTPRule(g, method, bind))
+				sd.Methods = append(sd.Methods, buildHTTPRule(g, service, method, bind, omitemptyPrefix))
 			}
-			sd.Methods = append(sd.Methods, buildHTTPRule(g, method, rule))
+			sd.Methods = append(sd.Methods, buildHTTPRule(g, service, method, rule, omitemptyPrefix))
 		} else if !omitempty {
-			path := fmt.Sprintf("/%s/%s", service.Desc.FullName(), method.Desc.Name())
-			sd.Methods = append(sd.Methods, buildMethodDesc(g, method, "POST", path))
+			path := fmt.Sprintf("%s/%s/%s", omitemptyPrefix, service.Desc.FullName(), method.Desc.Name())
+			sd.Methods = append(sd.Methods, buildMethodDesc(g, method, http.MethodPost, path))
 		}
 	}
 	if len(sd.Methods) != 0 {
@@ -103,42 +109,53 @@ func hasHTTPRule(services []*protogen.Service) bool {
 	return false
 }
 
-func buildHTTPRule(g *protogen.GeneratedFile, m *protogen.Method, rule *annotations.HttpRule) *methodDesc {
+func buildHTTPRule(g *protogen.GeneratedFile, service *protogen.Service, m *protogen.Method, rule *annotations.HttpRule, omitemptyPrefix string) *methodDesc {
 	var (
 		path         string
 		method       string
 		body         string
 		responseBody string
 	)
+
 	switch pattern := rule.Pattern.(type) {
 	case *annotations.HttpRule_Get:
 		path = pattern.Get
-		method = "GET"
+		method = http.MethodGet
 	case *annotations.HttpRule_Put:
 		path = pattern.Put
-		method = "PUT"
+		method = http.MethodPut
 	case *annotations.HttpRule_Post:
 		path = pattern.Post
-		method = "POST"
+		method = http.MethodPost
 	case *annotations.HttpRule_Delete:
 		path = pattern.Delete
-		method = "DELETE"
+		method = http.MethodDelete
 	case *annotations.HttpRule_Patch:
 		path = pattern.Patch
-		method = "PATCH"
+		method = http.MethodPatch
 	case *annotations.HttpRule_Custom:
 		path = pattern.Custom.Path
 		method = pattern.Custom.Kind
 	}
+	if method == "" {
+		method = http.MethodPost
+	}
+	if path == "" {
+		path = fmt.Sprintf("%s/%s/%s", omitemptyPrefix, service.Desc.FullName(), m.Desc.Name())
+	}
 	body = rule.Body
 	responseBody = rule.ResponseBody
 	md := buildMethodDesc(g, m, method, path)
-	if method == "GET" || method == "DELETE" {
+	if method == http.MethodGet || method == http.MethodDelete {
 		if body != "" {
 			_, _ = fmt.Fprintf(os.Stderr, "\u001B[31mWARN\u001B[m: %s %s body should not be declared.\n", method, path)
 		}
-		md.HasBody = false
-	} else if body == "*" {
+	} else {
+		if body == "" {
+			_, _ = fmt.Fprintf(os.Stderr, "\u001B[31mWARN\u001B[m: %s %s does not declare a body.\n", method, path)
+		}
+	}
+	if body == "*" {
 		md.HasBody = true
 		md.Body = ""
 	} else if body != "" {
@@ -146,7 +163,6 @@ func buildHTTPRule(g *protogen.GeneratedFile, m *protogen.Method, rule *annotati
 		md.Body = "." + camelCaseVars(body)
 	} else {
 		md.HasBody = false
-		_, _ = fmt.Fprintf(os.Stderr, "\u001B[31mWARN\u001B[m: %s %s does not declare a body.\n", method, path)
 	}
 	if responseBody == "*" {
 		md.ResponseBody = ""
@@ -160,9 +176,10 @@ func buildMethodDesc(g *protogen.GeneratedFile, m *protogen.Method, method, path
 	defer func() { methodSets[m.GoName]++ }()
 
 	vars := buildPathVars(path)
-	fields := m.Input.Desc.Fields()
 
 	for v, s := range vars {
+		fields := m.Input.Desc.Fields()
+
 		if s != nil {
 			path = replacePath(v, *s, path)
 		}
@@ -187,21 +204,30 @@ func buildMethodDesc(g *protogen.GeneratedFile, m *protogen.Method, method, path
 			}
 		}
 	}
+	comment := m.Comments.Leading.String() + m.Comments.Trailing.String()
+	if comment != "" {
+		comment = "// " + m.GoName + strings.TrimPrefix(strings.TrimSuffix(comment, "\n"), "//")
+	}
 	return &methodDesc{
-		Name:    m.GoName,
-		Num:     methodSets[m.GoName],
-		Request: g.QualifiedGoIdent(m.Input.GoIdent),
-		Reply:   g.QualifiedGoIdent(m.Output.GoIdent),
-		Path:    path,
-		Method:  method,
-		HasVars: len(vars) > 0,
+		Name:         m.GoName,
+		OriginalName: string(m.Desc.Name()),
+		Num:          methodSets[m.GoName],
+		Request:      g.QualifiedGoIdent(m.Input.GoIdent),
+		Reply:        g.QualifiedGoIdent(m.Output.GoIdent),
+		Comment:      comment,
+		Path:         path,
+		Method:       method,
+		HasVars:      len(vars) > 0,
 	}
 }
 
 func buildPathVars(path string) (res map[string]*string) {
-	res = make(map[string]*string)
-	pattern := regexp.MustCompile(`(?i){([a-z\.0-9_\s]*)=?([^{}]*)}`)
+	if strings.HasSuffix(path, "/") {
+		fmt.Fprintf(os.Stderr, "\u001B[31mWARN\u001B[m: Path %s should not end with \"/\" \n", path)
+	}
+	pattern := regexp.MustCompile(`(?i){([a-z.0-9_\s]*)=?([^{}]*)}`)
 	matches := pattern.FindAllStringSubmatch(path, -1)
+	res = make(map[string]*string, len(matches))
 	for _, m := range matches {
 		name := strings.TrimSpace(m[1])
 		if len(name) > 1 && len(m[2]) > 0 {
@@ -228,8 +254,8 @@ func replacePath(name string, value string, path string) string {
 }
 
 func camelCaseVars(s string) string {
-	vars := make([]string, 0)
 	subs := strings.Split(s, ".")
+	vars := make([]string, 0, len(subs))
 	for _, sub := range subs {
 		vars = append(vars, camelCase(sub))
 	}
@@ -241,8 +267,8 @@ func camelCaseVars(s string) string {
 // drop the underscore and convert the letter to upper case.
 // There is a remote possibility of this rewrite causing a name collision,
 // but it's so remote we're prepared to pretend it's nonexistent - since the
-// C++ generator lowercases names, it's extremely unlikely to have two fields
-// with different capitalizations.
+// C++ generator lowercase names, it's extremely unlikely to have two fields
+// with different capitalization.
 // In short, _my_field_name_2 becomes XMyFieldName_2.
 func camelCase(s string) string {
 	if s == "" {
@@ -293,4 +319,16 @@ func isASCIIDigit(c byte) bool {
 	return '0' <= c && c <= '9'
 }
 
+func protocVersion(gen *protogen.Plugin) string {
+	v := gen.Request.GetCompilerVersion()
+	if v == nil {
+		return "(unknown)"
+	}
+	var suffix string
+	if s := v.GetSuffix(); s != "" {
+		suffix = "-" + s
+	}
+	return fmt.Sprintf("v%d.%d.%d%s", v.GetMajor(), v.GetMinor(), v.GetPatch(), suffix)
+}
+
 const deprecationComment = "// Deprecated: Do not use."

cmd/protoc-gen-go-http/httpTemplate.tpl

@@ -0,0 +1,93 @@
+{{$svrType := .ServiceType}}
+{{$svrName := .ServiceName}}
+
+{{- range .MethodSets}}
+const Operation{{$svrType}}{{.OriginalName}} = "/{{$svrName}}/{{.OriginalName}}"
+{{- end}}
+
+type {{.ServiceType}}HTTPServer interface {
+{{- range .MethodSets}}
+	{{- if ne .Comment ""}}
+	{{.Comment}}
+	{{- end}}
+	{{.Name}}(context.Context, *{{.Request}}) (*{{.Reply}}, error)
+{{- end}}
+}
+
+func Register{{.ServiceType}}HTTPServer(s *http.Server, srv {{.ServiceType}}HTTPServer) {
+	r := s.Route("/")
+	{{- range .Methods}}
+	r.{{.Method}}("{{.Path}}", _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv))
+	{{- end}}
+}
+
+{{range .Methods}}
+func _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv {{$svrType}}HTTPServer) func(ctx http.Context) error {
+	return func(ctx http.Context) error {
+		var in {{.Request}}
+		{{- if .HasBody}}
+		if err := ctx.Bind(&in{{.Body}}); err != nil {
+			return err
+		}
+
+		{{- if not (eq .Body "")}}
+		if err := ctx.BindQuery(&in); err != nil {
+			return err
+		}
+		{{- end}}
+		{{- else}}
+		if err := ctx.BindQuery(&in{{.Body}}); err != nil {
+			return err
+		}
+		{{- end}}
+		{{- if .HasVars}}
+		if err := ctx.BindVars(&in); err != nil {
+			return err
+		}
+		{{- end}}
+		http.SetOperation(ctx,Operation{{$svrType}}{{.OriginalName}})
+		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
+			return srv.{{.Name}}(ctx, req.(*{{.Request}}))
+		})
+		out, err := h(ctx, &in)
+		if err != nil {
+			return err
+		}
+		reply := out.(*{{.Reply}})
+		return ctx.Result(200, reply{{.ResponseBody}})
+	}
+}
+{{end}}
+
+type {{.ServiceType}}HTTPClient interface {
+{{- range .MethodSets}}
+	{{.Name}}(ctx context.Context, req *{{.Request}}, opts ...http.CallOption) (rsp *{{.Reply}}, err error)
+{{- end}}
+}
+
+type {{.ServiceType}}HTTPClientImpl struct{
+	cc *http.Client
+}
+
+func New{{.ServiceType}}HTTPClient (client *http.Client) {{.ServiceType}}HTTPClient {
+	return &{{.ServiceType}}HTTPClientImpl{client}
+}
+
+{{range .MethodSets}}
+func (c *{{$svrType}}HTTPClientImpl) {{.Name}}(ctx context.Context, in *{{.Request}}, opts ...http.CallOption) (*{{.Reply}}, error) {
+	var out {{.Reply}}
+	pattern := "{{.Path}}"
+	path := binding.EncodeURL(pattern, in, {{not .HasBody}})
+	opts = append(opts, http.Operation(Operation{{$svrType}}{{.OriginalName}}))
+	opts = append(opts, http.PathTemplate(pattern))
+	{{if .HasBody -}}
+	err := c.cc.Invoke(ctx, "{{.Method}}", path, in{{.Body}}, &out{{.ResponseBody}}, opts...)
+	{{else -}}
+	err := c.cc.Invoke(ctx, "{{.Method}}", path, nil, &out{{.ResponseBody}}, opts...)
+	{{end -}}
+	if err != nil {
+		return nil, err
+	}
+	return &out, err
+}
+{{end}}

cmd/protoc-gen-go-http/http_test.go

@@ -1,45 +1,63 @@
 package main
 
 import (
+	"reflect"
 	"testing"
-
-	"github.com/stretchr/testify/assert"
 )
 
 func TestNoParameters(t *testing.T) {
 	path := "/test/noparams"
 	m := buildPathVars(path)
-	assert.Emptyf(t, m, "Map should be empty")
+	if !reflect.DeepEqual(m, map[string]*string{}) {
+		t.Fatalf("Map should be empty")
+	}
 }
 
 func TestSingleParam(t *testing.T) {
 	path := "/test/{message.id}"
 	m := buildPathVars(path)
-	assert.Len(t, m, 1)
-	assert.Empty(t, m["message.id"])
+	if !reflect.DeepEqual(len(m), 1) {
+		t.Fatalf("len(m) not is 1")
+	}
+	if m["message.id"] != nil {
+		t.Fatalf(`m["message.id"] should be empty`)
+	}
 }
 
 func TestTwoParametersReplacement(t *testing.T) {
 	path := "/test/{message.id}/{message.name=messages/*}"
 	m := buildPathVars(path)
-	assert.Len(t, m, 2)
-	assert.Empty(t, m["message.id"])
-	assert.NotEmpty(t, m["message.name"])
-	assert.Equal(t, *m["message.name"], "messages/*")
+	if len(m) != 2 {
+		t.Fatal("len(m) should be 2")
+	}
+	if m["message.id"] != nil {
+		t.Fatal(`m["message.id"] should be nil`)
+	}
+	if m["message.name"] == nil {
+		t.Fatal(`m["message.name"] should not be nil`)
+	}
+	if *m["message.name"] != "messages/*" {
+		t.Fatal(`m["message.name"] should be "messages/*"`)
+	}
 }
 
 func TestNoReplacePath(t *testing.T) {
 	path := "/test/{message.id=test}"
-	assert.Equal(t, "/test/{message.id:test}", replacePath("message.id", "test", path))
-
+	if !reflect.DeepEqual(replacePath("message.id", "test", path), "/test/{message.id:test}") {
+		t.Fatal(`replacePath("message.id", "test", path) should be "/test/{message.id:test}"`)
+	}
 	path = "/test/{message.id=test/*}"
-	assert.Equal(t, "/test/{message.id:test/.*}", replacePath("message.id", "test/*", path))
+	if !reflect.DeepEqual(replacePath("message.id", "test/*", path), "/test/{message.id:test/.*}") {
+		t.Fatal(`replacePath("message.id", "test/*", path) should be "/test/{message.id:test/.*}"`)
+	}
 }
 
 func TestReplacePath(t *testing.T) {
 	path := "/test/{message.id}/{message.name=messages/*}"
 	newPath := replacePath("message.name", "messages/*", path)
-	assert.Equal(t, "/test/{message.id}/{message.name:messages/.*}", newPath)
+	if !reflect.DeepEqual("/test/{message.id}/{message.name:messages/.*}", newPath) {
+		t.Fatal(`replacePath("message.name", "messages/*", path) should be "/test/{message.id}/{message.name:messages/.*}"`)
+	}
 }
 
 func TestIteration(t *testing.T) {
@@ -50,7 +68,9 @@ func TestIteration(t *testing.T) {
 			path = replacePath(v, *s, path)
 		}
 	}
-	assert.Equal(t, "/test/{message.id}/{message.name:messages/.*}", path)
+	if !reflect.DeepEqual("/test/{message.id}/{message.name:messages/.*}", path) {
+		t.Fatal(`replacePath("message.name", "messages/*", path) should be "/test/{message.id}/{message.name:messages/.*}"`)
+	}
 }
 
 func TestIterationMiddle(t *testing.T) {
@@ -61,5 +81,7 @@ func TestIterationMiddle(t *testing.T) {
 			path = replacePath(v, *s, path)
 		}
 	}
-	assert.Equal(t, "/test/{message.name:messages/.*}/books", path)
+	if !reflect.DeepEqual("/test/{message.name:messages/.*}/books", path) {
+		t.Fatal(`replacePath("message.name", "messages/*", path) should be "/test/{message.name:messages/.*}/books"`)
+	}
 }

cmd/protoc-gen-go-http/main.go

@@ -9,8 +9,9 @@ import (
 )
 
 var (
-	showVersion = flag.Bool("version", false, "print the version and exit")
-	omitempty   = flag.Bool("omitempty", true, "omit if google.api is empty")
+	showVersion     = flag.Bool("version", false, "print the version and exit")
+	omitempty       = flag.Bool("omitempty", true, "omit if google.api is empty")
+	omitemptyPrefix = flag.String("omitempty_prefix", "", "omit if google.api is empty")
 )
 
 func main() {
@@ -27,7 +28,7 @@ func main() {
 			if !f.Generate {
 				continue
 			}
-			generateFile(gen, f, *omitempty)
+			generateFile(gen, f, *omitempty, *omitemptyPrefix)
 		}
 		return nil
 	})

cmd/protoc-gen-go-http/template.go

@@ -2,97 +2,13 @@ package main
 
 import (
 	"bytes"
+	_ "embed"
 	"strings"
 	"text/template"
 )
 
-var httpTemplate = `
-{{$svrType := .ServiceType}}
-{{$svrName := .ServiceName}}
-type {{.ServiceType}}HTTPServer interface {
-{{- range .MethodSets}}
-	{{.Name}}(context.Context, *{{.Request}}) (*{{.Reply}}, error)
-{{- end}}
-}
-
-func Register{{.ServiceType}}HTTPServer(s *http.Server, srv {{.ServiceType}}HTTPServer) {
-	r := s.Route("/")
-	{{- range .Methods}}
-	r.{{.Method}}("{{.Path}}", _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv))
-	{{- end}}
-}
-
-{{range .Methods}}
-func _{{$svrType}}_{{.Name}}{{.Num}}_HTTP_Handler(srv {{$svrType}}HTTPServer) func(ctx http.Context) error {
-	return func(ctx http.Context) error {
-		var in {{.Request}}
-		{{- if .HasBody}}
-		if err := ctx.Bind(&in{{.Body}}); err != nil {
-			return err
-		}
-		
-		{{- if not (eq .Body "")}}
-		if err := ctx.BindQuery(&in); err != nil {
-			return err
-		}
-		{{- end}}
-		{{- else}}
-		if err := ctx.BindQuery(&in{{.Body}}); err != nil {
-			return err
-		}
-		{{- end}}
-		{{- if .HasVars}}
-		if err := ctx.BindVars(&in); err != nil {
-			return err
-		}
-		{{- end}}
-		http.SetOperation(ctx,"/{{$svrName}}/{{.Name}}")
-		h := ctx.Middleware(func(ctx context.Context, req interface{}) (interface{}, error) {
-			return srv.{{.Name}}(ctx, req.(*{{.Request}}))
-		})
-		out, err := h(ctx, &in)
-		if err != nil {
-			return err
-		}
-		reply := out.(*{{.Reply}})
-		return ctx.Result(200, reply{{.ResponseBody}})
-	}
-}
-{{end}}
-
-type {{.ServiceType}}HTTPClient interface {
-{{- range .MethodSets}}
-	{{.Name}}(ctx context.Context, req *{{.Request}}, opts ...http.CallOption) (rsp *{{.Reply}}, err error) 
-{{- end}}
-}
-	
-type {{.ServiceType}}HTTPClientImpl struct{
-	cc *http.Client
-}
-	
-func New{{.ServiceType}}HTTPClient (client *http.Client) {{.ServiceType}}HTTPClient {
-	return &{{.ServiceType}}HTTPClientImpl{client}
-}
-
-{{range .MethodSets}}
-func (c *{{$svrType}}HTTPClientImpl) {{.Name}}(ctx context.Context, in *{{.Request}}, opts ...http.CallOption) (*{{.Reply}}, error) {
-	var out {{.Reply}}
-	pattern := "{{.Path}}"
-	path := binding.EncodeURL(pattern, in, {{not .HasBody}})
-	opts = append(opts, http.Operation("/{{$svrName}}/{{.Name}}"))
-	opts = append(opts, http.PathTemplate(pattern))
-	{{if .HasBody -}}
-	err := c.cc.Invoke(ctx, "{{.Method}}", path, in{{.Body}}, &out{{.ResponseBody}}, opts...)
-	{{else -}} 
-	err := c.cc.Invoke(ctx, "{{.Method}}", path, nil, &out{{.ResponseBody}}, opts...)
-	{{end -}}
-	if err != nil {
-		return nil, err
-	}
-	return &out, err
-}
-{{end}}
-`
+//go:embed httpTemplate.tpl
+var httpTemplate string
 
 type serviceDesc struct {
 	ServiceType string // Greeter
@@ -104,10 +20,12 @@ type serviceDesc struct {
 
 type methodDesc struct {
 	// method
-	Name    string
-	Num     int
-	Request string
-	Reply   string
+	Name         string
+	OriginalName string // The parsed original name
+	Num          int
+	Request      string
+	Reply        string
+	Comment      string
 	// http_rule
 	Path         string
 	Method       string

cmd/protoc-gen-go-http/version.go

@@ -1,4 +1,4 @@
 package main
 
 // release is the current protoc-gen-go-http version.
-const release = "v2.1.4"
+const release = "v2.6.3"

config/config.go

@@ -7,22 +7,21 @@ import (
 	"sync"
 	"time"
 
-	"github.com/go-kratos/kratos/v2/log"
-
 	// init encoding
 	_ "github.com/go-kratos/kratos/v2/encoding/json"
 	_ "github.com/go-kratos/kratos/v2/encoding/proto"
 	_ "github.com/go-kratos/kratos/v2/encoding/xml"
 	_ "github.com/go-kratos/kratos/v2/encoding/yaml"
+	"github.com/go-kratos/kratos/v2/log"
 )
 
+var _ Config = (*config)(nil)
+
 var (
 	// ErrNotFound is key not found.
 	ErrNotFound = errors.New("key not found")
 	// ErrTypeAssert is type assert error.
 	ErrTypeAssert = errors.New("type assert error")
-
-	_ Config = (*config)(nil)
 )
 
 // Observer is config observer.
@@ -43,13 +42,11 @@ type config struct {
 	cached    sync.Map
 	observers sync.Map
 	watchers  []Watcher
-	log       *log.Helper
 }
 
-// New new a config with options.
+// New a config with options.
 func New(opts ...Option) Config {
 	o := options{
-		logger:   log.DefaultLogger,
 		decoder:  defaultDecoder,
 		resolver: defaultResolver,
 	}
@@ -59,34 +56,33 @@ func New(opts ...Option) Config {
 	return &config{
 		opts:   o,
 		reader: newReader(o),
-		log:    log.NewHelper(o.logger),
 	}
 }
 
 func (c *config) watch(w Watcher) {
 	for {
 		kvs, err := w.Next()
-		if errors.Is(err, context.Canceled) {
-			c.log.Infof("watcher's ctx cancel : %v", err)
-			return
-		}
 		if err != nil {
+			if errors.Is(err, context.Canceled) {
+				log.Infof("watcher's ctx cancel : %v", err)
+				return
+			}
 			time.Sleep(time.Second)
-			c.log.Errorf("failed to watch next config: %v", err)
+			log.Errorf("failed to watch next config: %v", err)
 			continue
 		}
 		if err := c.reader.Merge(kvs...); err != nil {
-			c.log.Errorf("failed to merge next config: %v", err)
+			log.Errorf("failed to merge next config: %v", err)
 			continue
 		}
 		if err := c.reader.Resolve(); err != nil {
-			c.log.Errorf("failed to resolve next config: %v", err)
+			log.Errorf("failed to resolve next config: %v", err)
 			continue
 		}
 		c.cached.Range(func(key, value interface{}) bool {
 			k := key.(string)
 			v := value.(Value)
-			if n, ok := c.reader.Value(k); ok && !reflect.DeepEqual(n.Load(), v.Load()) {
+			if n, ok := c.reader.Value(k); ok && reflect.TypeOf(n.Load()) == reflect.TypeOf(v.Load()) && !reflect.DeepEqual(n.Load(), v.Load()) {
 				v.Store(n.Load())
 				if o, ok := c.observers.Load(k); ok {
 					o.(Observer)(k, v)
@@ -104,22 +100,22 @@ func (c *config) Load() error {
 			return err
 		}
 		for _, v := range kvs {
-			c.log.Infof("config loaded: %s format: %s", v.Key, v.Format)
+			log.Debugf("config loaded: %s format: %s", v.Key, v.Format)
 		}
 		if err = c.reader.Merge(kvs...); err != nil {
-			c.log.Errorf("failed to merge config source: %v", err)
+			log.Errorf("failed to merge config source: %v", err)
 			return err
 		}
 		w, err := src.Watch()
 		if err != nil {
-			c.log.Errorf("failed to watch config source: %v", err)
+			log.Errorf("failed to watch config source: %v", err)
 			return err
 		}
 		c.watchers = append(c.watchers, w)
 		go c.watch(w)
 	}
 	if err := c.reader.Resolve(); err != nil {
-		c.log.Errorf("failed to resolve config source: %v", err)
+		log.Errorf("failed to resolve config source: %v", err)
 		return err
 	}
 	return nil

config/config_test.go

@@ -3,9 +3,6 @@ package config
 import (
 	"errors"
 	"testing"
-
-	"github.com/go-kratos/kratos/v2/log"
-	"github.com/stretchr/testify/assert"
 )
 
 const (
@@ -123,44 +120,65 @@ func TestConfig(t *testing.T) {
 		WithSource(newTestJSONSource(_testJSON)),
 		WithDecoder(defaultDecoder),
 		WithResolver(defaultResolver),
-		WithLogger(log.DefaultLogger),
 	)
 	err = c.Close()
-	assert.Nil(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	jSource := newTestJSONSource(_testJSON)
 	opts := options{
 		sources:  []Source{jSource},
 		decoder:  defaultDecoder,
 		resolver: defaultResolver,
-		logger:   log.DefaultLogger,
 	}
 	cf := &config{}
 	cf.opts = opts
 	cf.reader = newReader(opts)
-	cf.log = log.NewHelper(opts.logger)
 
 	err = cf.Load()
-	assert.Nil(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 
-	val, err := cf.Value("data.database.driver").String()
-	assert.Nil(t, err)
-	assert.Equal(t, databaseDriver, val)
+	driver, err := cf.Value("data.database.driver").String()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if databaseDriver != driver {
+		t.Fatal("databaseDriver is not equal to val")
+	}
 
 	err = cf.Watch("endpoints", func(key string, value Value) {
 	})
-	assert.Nil(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	jSource.sig <- struct{}{}
 	jSource.err <- struct{}{}
 
 	var testConf testConfigStruct
 	err = cf.Scan(&testConf)
-	assert.Nil(t, err)
-	assert.Equal(t, httpAddr, testConf.Server.HTTP.Addr)
-	assert.Equal(t, httpTimeout, testConf.Server.HTTP.Timeout)
-	assert.Equal(t, true, testConf.Server.HTTP.EnableSSL)
-	assert.Equal(t, grpcPort, testConf.Server.GRPC.Port)
-	assert.Equal(t, endpoint1, testConf.Endpoints[0])
-	assert.Equal(t, 2, len(testConf.Endpoints))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if httpAddr != testConf.Server.HTTP.Addr {
+		t.Errorf("testConf.Server.HTTP.Addr want: %s, got: %s", httpAddr, testConf.Server.HTTP.Addr)
+	}
+	if httpTimeout != testConf.Server.HTTP.Timeout {
+		t.Errorf("testConf.Server.HTTP.Timeout want: %.1f, got: %.1f", httpTimeout, testConf.Server.HTTP.Timeout)
+	}
+	if !testConf.Server.HTTP.EnableSSL {
+		t.Error("testConf.Server.HTTP.EnableSSL is not equal to true")
+	}
+	if grpcPort != testConf.Server.GRPC.Port {
+		t.Errorf("testConf.Server.GRPC.Port want: %d, got: %d", grpcPort, testConf.Server.GRPC.Port)
+	}
+	if endpoint1 != testConf.Endpoints[0] {
+		t.Errorf("testConf.Endpoints[0] want: %s, got: %s", endpoint1, testConf.Endpoints[0])
+	}
+	if len(testConf.Endpoints) != 2 {
+		t.Error("len(testConf.Endpoints) is not equal to 2")
+	}
 }

config/env/env.go

@@ -8,29 +8,29 @@ import (
 )
 
 type env struct {
-	prefixs []string
+	prefixes []string
 }
 
-func NewSource(prefixs ...string) config.Source {
-	return &env{prefixs: prefixs}
+func NewSource(prefixes ...string) config.Source {
+	return &env{prefixes: prefixes}
 }
 
 func (e *env) Load() (kv []*config.KeyValue, err error) {
 	return e.load(os.Environ()), nil
 }
 
-func (e *env) load(envStrings []string) []*config.KeyValue {
+func (e *env) load(envs []string) []*config.KeyValue {
 	var kv []*config.KeyValue
-	for _, envstr := range envStrings {
+	for _, env := range envs {
 		var k, v string
-		subs := strings.SplitN(envstr, "=", 2) //nolint:gomnd
+		subs := strings.SplitN(env, "=", 2) //nolint:gomnd
 		k = subs[0]
 		if len(subs) > 1 {
 			v = subs[1]
 		}
 
-		if len(e.prefixs) > 0 {
-			p, ok := matchPrefix(e.prefixs, k)
+		if len(e.prefixes) > 0 {
+			p, ok := matchPrefix(e.prefixes, k)
 			if !ok || len(p) == len(k) {
 				continue
 			}

config/env/env_test.go

@@ -8,7 +8,6 @@ import (
 
 	"github.com/go-kratos/kratos/v2/config"
 	"github.com/go-kratos/kratos/v2/config/file"
-	"github.com/stretchr/testify/assert"
 )
 
 const _testJSON = `
@@ -107,19 +106,27 @@ func TestEnvWithPrefix(t *testing.T) {
 				switch test.expect.(type) {
 				case int:
 					if actual, err = v.Int(); err == nil {
-						assert.Equal(t, test.expect, int(actual.(int64)), "int value should be equal")
+						if !reflect.DeepEqual(test.expect.(int), int(actual.(int64))) {
+							t.Errorf("expect %v, actual %v", test.expect, actual)
+						}
 					}
 				case string:
 					if actual, err = v.String(); err == nil {
-						assert.Equal(t, test.expect, actual, "string value should be equal")
+						if !reflect.DeepEqual(test.expect.(string), actual.(string)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				case bool:
 					if actual, err = v.Bool(); err == nil {
-						assert.Equal(t, test.expect, actual, "bool value should be equal")
+						if !reflect.DeepEqual(test.expect.(bool), actual.(bool)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				case float64:
 					if actual, err = v.Float(); err == nil {
-						assert.Equal(t, test.expect, actual, "float64 value should be equal")
+						if !reflect.DeepEqual(test.expect.(float64), actual.(float64)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				default:
 					actual = v.Load()
@@ -213,19 +220,27 @@ func TestEnvWithoutPrefix(t *testing.T) {
 				switch test.expect.(type) {
 				case int:
 					if actual, err = v.Int(); err == nil {
-						assert.Equal(t, test.expect, int(actual.(int64)), "int value should be equal")
+						if !reflect.DeepEqual(test.expect.(int), int(actual.(int64))) {
+							t.Errorf("expect %v, actual %v", test.expect, actual)
+						}
 					}
 				case string:
 					if actual, err = v.String(); err == nil {
-						assert.Equal(t, test.expect, actual, "string value should be equal")
+						if !reflect.DeepEqual(test.expect.(string), actual.(string)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				case bool:
 					if actual, err = v.Bool(); err == nil {
-						assert.Equal(t, test.expect, actual, "bool value should be equal")
+						if !reflect.DeepEqual(test.expect.(bool), actual.(bool)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				case float64:
 					if actual, err = v.Float(); err == nil {
-						assert.Equal(t, test.expect, actual, "float64 value should be equal")
+						if !reflect.DeepEqual(test.expect.(float64), actual.(float64)) {
+							t.Errorf(`expect %v, actual %v`, test.expect, actual)
+						}
 					}
 				default:
 					actual = v.Load()
@@ -246,7 +261,7 @@ func TestEnvWithoutPrefix(t *testing.T) {
 
 func Test_env_load(t *testing.T) {
 	type fields struct {
-		prefixs []string
+		prefixes []string
 	}
 	type args struct {
 		envStrings []string
@@ -260,7 +275,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "without prefixes",
 			fields: fields{
-				prefixs: nil,
+				prefixes: nil,
 			},
 			args: args{
 				envStrings: []string{
@@ -279,7 +294,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "empty prefix",
 			fields: fields{
-				prefixs: []string{""},
+				prefixes: []string{""},
 			},
 			args: args{
 				envStrings: []string{
@@ -298,7 +313,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "underscore prefix",
 			fields: fields{
-				prefixs: []string{"_"},
+				prefixes: []string{"_"},
 			},
 			args: args{
 				envStrings: []string{
@@ -317,7 +332,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "with prefixes",
 			fields: fields{
-				prefixs: []string{"KRATOS_", "FOO"},
+				prefixes: []string{"KRATOS_", "FOO"},
 			},
 			args: args{
 				envStrings: []string{
@@ -336,7 +351,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "should not panic #1",
 			fields: fields{
-				prefixs: []string{"FOO"},
+				prefixes: []string{"FOO"},
 			},
 			args: args{
 				envStrings: []string{
@@ -349,7 +364,7 @@ func Test_env_load(t *testing.T) {
 		{
 			name: "should not panic #2",
 			fields: fields{
-				prefixs: []string{"FOO=1"},
+				prefixes: []string{"FOO=1"},
 			},
 			args: args{
 				envStrings: []string{
@@ -362,7 +377,7 @@ func Test_env_load(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			e := &env{
-				prefixs: tt.fields.prefixs,
+				prefixes: tt.fields.prefixes,
 			}
 			got := e.load(tt.args.envStrings)
 			if !reflect.DeepEqual(tt.want, got) {
@@ -402,3 +417,13 @@ func Test_matchPrefix(t *testing.T) {
 		})
 	}
 }
+
+func Test_env_watch(t *testing.T) {
+	prefixes := []string{"BAR", "FOO"}
+	source := NewSource(prefixes...)
+	w, err := source.Watch()
+	if err != nil {
+		t.Errorf("expect no err, got %v", err)
+	}
+	_ = w.Stop()
+}

config/env/watcher.go

@@ -6,13 +6,13 @@ import (
 	"github.com/go-kratos/kratos/v2/config"
 )
 
+var _ config.Watcher = (*watcher)(nil)
+
 type watcher struct {
 	ctx    context.Context
 	cancel context.CancelFunc
 }
 
-var _ config.Watcher = (*watcher)(nil)
-
 func NewWatcher() (config.Watcher, error) {
 	ctx, cancel := context.WithCancel(context.Background())
 	return &watcher{ctx: ctx, cancel: cancel}, nil

config/env/watcher_test.go

@@ -2,26 +2,29 @@ package env
 
 import (
 	"testing"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 )
 
 func Test_watcher_next(t *testing.T) {
 	t.Run("next after stop should return err", func(t *testing.T) {
 		w, err := NewWatcher()
-		require.NoError(t, err)
+		if err != nil {
+			t.Errorf("expect no error, got %v", err)
+		}
 
 		_ = w.Stop()
 		_, err = w.Next()
-		assert.Error(t, err)
+		if err == nil {
+			t.Error("expect error, actual nil")
+		}
 	})
 }
 
 func Test_watcher_stop(t *testing.T) {
 	t.Run("stop multiple times should not panic", func(t *testing.T) {
 		w, err := NewWatcher()
-		require.NoError(t, err)
+		if err != nil {
+			t.Errorf("expect no error, got %v", err)
+		}
 
 		_ = w.Stop()
 		_ = w.Stop()

config/file/file.go

@@ -42,7 +42,7 @@ func (f *file) loadFile(path string) (*config.KeyValue, error) {
 }
 
 func (f *file) loadDir(path string) (kvs []*config.KeyValue, err error) {
-	files, err := os.ReadDir(f.path)
+	files, err := os.ReadDir(path)
 	if err != nil {
 		return nil, err
 	}
@@ -51,7 +51,7 @@ func (f *file) loadDir(path string) (kvs []*config.KeyValue, err error) {
 		if file.IsDir() || strings.HasPrefix(file.Name(), ".") {
 			continue
 		}
-		kv, err := f.loadFile(filepath.Join(f.path, file.Name()))
+		kv, err := f.loadFile(filepath.Join(path, file.Name()))
 		if err != nil {
 			return nil, err
 		}

config/file/file_test.go

@@ -4,12 +4,12 @@ import (
 	"errors"
 	"os"
 	"path/filepath"
+	"reflect"
 	"sync"
 	"testing"
 	"time"
 
 	"github.com/go-kratos/kratos/v2/config"
-	"github.com/stretchr/testify/assert"
 )
 
 const (
@@ -120,19 +120,29 @@ func testWatchFile(t *testing.T, path string) {
 		t.Error(err)
 	}
 	kvs, err := watch.Next()
-	assert.Nil(t, err)
-	assert.Equal(t, string(kvs[0].Value), _testJSONUpdate)
+	if err != nil {
+		t.Errorf("watch.Next() error(%v)", err)
+	}
+	if !reflect.DeepEqual(string(kvs[0].Value), _testJSONUpdate) {
+		t.Errorf("string(kvs[0].Value(%v) is  not equal to _testJSONUpdate(%v)", kvs[0].Value, _testJSONUpdate)
+	}
 
 	newFilepath := filepath.Join(filepath.Dir(path), "test1.json")
 	if err = os.Rename(path, newFilepath); err != nil {
 		t.Error(err)
 	}
 	kvs, err = watch.Next()
-	assert.NotNil(t, err)
-	assert.Nil(t, kvs)
+	if err == nil {
+		t.Errorf("watch.Next() error(%v)", err)
+	}
+	if kvs != nil {
+		t.Errorf("watch.Next() error(%v)", err)
+	}
 
 	err = watch.Stop()
-	assert.Nil(t, err)
+	if err != nil {
+		t.Errorf("watch.Stop() error(%v)", err)
+	}
 
 	if err := os.Rename(newFilepath, path); err != nil {
 		t.Error(err)
@@ -160,8 +170,12 @@ func testWatchDir(t *testing.T, path, file string) {
 	}
 
 	kvs, err := watch.Next()
-	assert.Nil(t, err)
-	assert.Equal(t, string(kvs[0].Value), _testJSONUpdate)
+	if err != nil {
+		t.Errorf("watch.Next() error(%v)", err)
+	}
+	if !reflect.DeepEqual(string(kvs[0].Value), _testJSONUpdate) {
+		t.Errorf("string(kvs[0].Value(%s) is  not equal to _testJSONUpdate(%v)", kvs[0].Value, _testJSONUpdate)
+	}
 }
 
 func testSource(t *testing.T, path string, data []byte) {
@@ -194,7 +208,7 @@ func TestConfig(t *testing.T) {
 func testConfig(t *testing.T, c config.Config) {
 	expected := map[string]interface{}{
 		"test.settings.int_key":      int64(1000),
-		"test.settings.float_key":    float64(1000.1),
+		"test.settings.float_key":    1000.1,
 		"test.settings.string_key":   "string_value",
 		"test.settings.duration_key": time.Duration(10000),
 		"test.server.addr":           "127.0.0.1",

config/file/format_test.go

@@ -0,0 +1,43 @@
+package file
+
+import (
+	"testing"
+)
+
+func TestFormat(t *testing.T) {
+	tests := []struct {
+		input  string
+		expect string
+	}{
+		{
+			input:  "",
+			expect: "",
+		},
+		{
+			input:  " ",
+			expect: "",
+		},
+		{
+			input:  ".",
+			expect: "",
+		},
+		{
+			input:  "a.",
+			expect: "",
+		},
+		{
+			input:  ".b",
+			expect: "b",
+		},
+		{
+			input:  "a.b",
+			expect: "b",
+		},
+	}
+	for _, v := range tests {
+		content := format(v.input)
+		if got, want := content, v.expect; got != want {
+			t.Errorf("expect %v,got %v", want, got)
+		}
+	}
+}

config/file/watcher.go

@@ -6,9 +6,12 @@ import (
 	"path/filepath"
 
 	"github.com/fsnotify/fsnotify"
+
 	"github.com/go-kratos/kratos/v2/config"
 )
 
+var _ config.Watcher = (*watcher)(nil)
+
 type watcher struct {
 	f  *file
 	fw *fsnotify.Watcher
@@ -17,8 +20,6 @@ type watcher struct {
 	cancel context.CancelFunc
 }
 
-var _ config.Watcher = (*watcher)(nil)
-
 func newWatcher(f *file) (config.Watcher, error) {
 	fw, err := fsnotify.NewWatcher()
 	if err != nil {

config/options.go

@@ -22,7 +22,6 @@ type options struct {
 	sources  []Source
 	decoder  Decoder
 	resolver Resolver
-	logger   log.Logger
 }
 
 // WithSource with config source.
@@ -51,10 +50,9 @@ func WithResolver(r Resolver) Option {
 }
 
 // WithLogger with config logger.
-func WithLogger(l log.Logger) Option {
-	return func(o *options) {
-		o.logger = l
-	}
+// Deprecated: use global logger instead.
+func WithLogger(_ log.Logger) Option {
+	return func(o *options) {}
 }
 
 // defaultDecoder decode config from source KeyValue

config/options_test.go

@@ -2,9 +2,8 @@ package config
 
 import (
 	"reflect"
+	"strings"
 	"testing"
-
-	"github.com/stretchr/testify/assert"
 )
 
 func TestDefaultDecoder(t *testing.T) {
@@ -15,10 +14,12 @@ func TestDefaultDecoder(t *testing.T) {
 	}
 	target := make(map[string]interface{})
 	err := defaultDecoder(src, target)
-	assert.Nil(t, err)
-	assert.Equal(t, map[string]interface{}{
-		"service": []byte("config"),
-	}, target)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(target, map[string]interface{}{"service": []byte("config")}) {
+		t.Fatal(`target is not equal to map[string]interface{}{"service": "config"}`)
+	}
 
 	src = &KeyValue{
 		Key:    "service.name.alias",
@@ -27,14 +28,18 @@ func TestDefaultDecoder(t *testing.T) {
 	}
 	target = make(map[string]interface{})
 	err = defaultDecoder(src, target)
-	assert.Nil(t, err)
-	assert.Equal(t, map[string]interface{}{
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual(map[string]interface{}{
 		"service": map[string]interface{}{
 			"name": map[string]interface{}{
 				"alias": []byte("2233"),
 			},
 		},
-	}, target)
+	}, target) {
+		t.Fatal(`target is not equal to map[string]interface{}{"service": map[string]interface{}{"name": map[string]interface{}{"alias": []byte("2233")}}}`)
+	}
 }
 
 func TestDefaultResolver(t *testing.T) {
@@ -144,7 +149,9 @@ func TestDefaultResolver(t *testing.T) {
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
 			err := defaultResolver(data)
-			assert.NoError(t, err)
+			if err != nil {
+				t.Fatal(err)
+			}
 			rd := reader{
 				values: data,
 			}
@@ -153,19 +160,27 @@ func TestDefaultResolver(t *testing.T) {
 				switch test.expect.(type) {
 				case int:
 					if actual, err = v.Int(); err == nil {
-						assert.Equal(t, test.expect, int(actual.(int64)), "int value should be equal")
+						if !reflect.DeepEqual(test.expect.(int), int(actual.(int64))) {
+							t.Fatal("expect is not equal to actual")
+						}
 					}
 				case string:
 					if actual, err = v.String(); err == nil {
-						assert.Equal(t, test.expect, actual, "string value should be equal")
+						if !reflect.DeepEqual(test.expect, actual) {
+							t.Fatal("expect is not equal to actual")
+						}
 					}
 				case bool:
 					if actual, err = v.Bool(); err == nil {
-						assert.Equal(t, test.expect, actual, "bool value should be equal")
+						if !reflect.DeepEqual(test.expect, actual) {
+							t.Fatal("expect is not equal to actual")
+						}
 					}
 				case float64:
 					if actual, err = v.Float(); err == nil {
-						assert.Equal(t, test.expect, actual, "float64 value should be equal")
+						if !reflect.DeepEqual(test.expect, actual) {
+							t.Fatal("expect is not equal to actual")
+						}
 					}
 				default:
 					actual = v.Load()
@@ -183,3 +198,31 @@ func TestDefaultResolver(t *testing.T) {
 		})
 	}
 }
+
+func TestExpand(t *testing.T) {
+	tests := []struct {
+		input   string
+		mapping func(string) string
+		want    string
+	}{
+		{
+			input: "${a}",
+			mapping: func(s string) string {
+				return strings.ToUpper(s)
+			},
+			want: "A",
+		},
+		{
+			input: "a",
+			mapping: func(s string) string {
+				return strings.ToUpper(s)
+			},
+			want: "a",
+		},
+	}
+	for _, tt := range tests {
+		if got := expand(tt.input, tt.mapping); got != tt.want {
+			t.Errorf("expand() want: %s, got: %s", tt.want, got)
+		}
+	}
+}

config/reader.go

@@ -11,6 +11,8 @@ import (
 	"github.com/imdario/mergo"
 	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
+
+	"github.com/go-kratos/kratos/v2/log"
 )
 
 // Reader is config reader.
@@ -36,18 +38,18 @@ func newReader(opts options) Reader {
 }
 
 func (r *reader) Merge(kvs ...*KeyValue) error {
-	r.lock.Lock()
-	merged, err := cloneMap(r.values)
-	r.lock.Unlock()
+	merged, err := r.cloneMap()
 	if err != nil {
 		return err
 	}
 	for _, kv := range kvs {
 		next := make(map[string]interface{})
 		if err := r.opts.decoder(kv, next); err != nil {
+			log.Errorf("Failed to config decode error: %v key: %s value: %s", err, kv.Key, string(kv.Value))
 			return err
 		}
 		if err := mergo.Map(&merged, convertMap(next), mergo.WithOverride); err != nil {
+			log.Errorf("Failed to config merge error: %v key: %s value: %s", err, kv.Key, string(kv.Value))
 			return err
 		}
 	}
@@ -75,6 +77,12 @@ func (r *reader) Resolve() error {
 	return r.opts.resolver(r.values)
 }
 
+func (r *reader) cloneMap() (map[string]interface{}, error) {
+	r.lock.Lock()
+	defer r.lock.Unlock()
+	return cloneMap(r.values)
+}
+
 func cloneMap(src map[string]interface{}) (map[string]interface{}, error) {
 	// https://gist.github.com/soroushjp/0ec92102641ddfc3ad5515ca76405f4d
 	var buf bytes.Buffer
@@ -86,12 +94,12 @@ func cloneMap(src map[string]interface{}) (map[string]interface{}, error) {
 	if err != nil {
 		return nil, err
 	}
-	var copy map[string]interface{}
-	err = dec.Decode(&copy)
+	var clone map[string]interface{}
+	err = dec.Decode(&clone)
 	if err != nil {
 		return nil, err
 	}
-	return copy, nil
+	return clone, nil
 }
 
 func convertMap(src interface{}) interface{} {

config/reader_test.go

@@ -2,10 +2,10 @@ package config
 
 import (
 	"fmt"
+	"reflect"
 	"testing"
 
 	"github.com/go-kratos/kratos/v2/encoding"
-	"github.com/stretchr/testify/assert"
 )
 
 func TestReader_Merge(t *testing.T) {
@@ -28,31 +28,49 @@ func TestReader_Merge(t *testing.T) {
 		Value:  []byte("bad"),
 		Format: "json",
 	})
-	assert.Error(t, err)
+	if err == nil {
+		t.Fatal("err is nil")
+	}
 
 	err = r.Merge(&KeyValue{
 		Key:    "b",
 		Value:  []byte(`{"nice": "boat", "x": 1}`),
 		Format: "json",
 	})
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 	vv, ok := r.Value("nice")
-	assert.True(t, ok)
+	if !ok {
+		t.Fatal("ok is false")
+	}
 	vvv, err := vv.String()
-	assert.NoError(t, err)
-	assert.Equal(t, "boat", vvv)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if vvv != "boat" {
+		t.Fatal(`vvv is not equal to "boat"`)
+	}
 
 	err = r.Merge(&KeyValue{
 		Key:    "b",
 		Value:  []byte(`{"x": 2}`),
 		Format: "json",
 	})
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 	vv, ok = r.Value("x")
-	assert.True(t, ok)
+	if !ok {
+		t.Fatal("ok is false")
+	}
 	vvx, err := vv.Int()
-	assert.NoError(t, err)
-	assert.Equal(t, int64(2), vvx)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if vvx != 2 {
+		t.Fatal("vvx is not equal to 2")
+	}
 }
 
 func TestReader_Value(t *testing.T) {
@@ -99,35 +117,59 @@ a:
 		t.Run(test.name, func(t *testing.T) {
 			r := newReader(opts)
 			err := r.Merge(&test.kv)
-			assert.NoError(t, err)
+			if err != nil {
+				t.Fatal(err)
+			}
 			vv, ok := r.Value("a.b.X")
-			assert.True(t, ok)
+			if !ok {
+				t.Fatal("ok is false")
+			}
 			vvv, err := vv.Int()
-			assert.NoError(t, err)
-			assert.Equal(t, int64(1), vvv)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if int64(1) != vvv {
+				t.Fatal("vvv is not equal to 1")
+			}
 
-			assert.NoError(t, err)
 			vv, ok = r.Value("a.b.Y")
-			assert.True(t, ok)
+			if !ok {
+				t.Fatal("ok is false")
+			}
 			vvy, err := vv.String()
-			assert.NoError(t, err)
-			assert.Equal(t, "lol", vvy)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if vvy != "lol" {
+				t.Fatal(`vvy is not equal to "lol"`)
+			}
 
-			assert.NoError(t, err)
 			vv, ok = r.Value("a.b.z")
-			assert.True(t, ok)
+			if !ok {
+				t.Fatal("ok is false")
+			}
 			vvz, err := vv.Bool()
-			assert.NoError(t, err)
-			assert.Equal(t, true, vvz)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !vvz {
+				t.Fatal("vvz is not equal to true")
+			}
 
 			_, ok = r.Value("aasasdg=234l.asdfk,")
-			assert.False(t, ok)
+			if ok {
+				t.Fatal("ok is true")
+			}
 
 			_, ok = r.Value("aas......asdg=234l.asdfk,")
-			assert.False(t, ok)
+			if ok {
+				t.Fatal("ok is true")
+			}
 
 			_, ok = r.Value("a.b.Y.")
-			assert.False(t, ok)
+			if ok {
+				t.Fatal("ok is true")
+			}
 		})
 	}
 }
@@ -149,8 +191,129 @@ func TestReader_Source(t *testing.T) {
 		Value:  []byte(`{"a": {"b": {"X": 1}}}`),
 		Format: "json",
 	})
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 	b, err := r.Source()
-	assert.NoError(t, err)
-	assert.Equal(t, []byte(`{"a":{"b":{"X":1}}}`), b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !reflect.DeepEqual([]byte(`{"a":{"b":{"X":1}}}`), b) {
+		t.Fatal("[]byte(`{\"a\":{\"b\":{\"X\":1}}}`) is not equal to b")
+	}
+}
+
+func TestCloneMap(t *testing.T) {
+	tests := []struct {
+		input map[string]interface{}
+		want  map[string]interface{}
+	}{
+		{
+			input: map[string]interface{}{
+				"a": 1,
+				"b": "2",
+				"c": true,
+			},
+			want: map[string]interface{}{
+				"a": 1,
+				"b": "2",
+				"c": true,
+			},
+		},
+		{
+			input: map[string]interface{}{},
+			want:  map[string]interface{}{},
+		},
+		{
+			input: nil,
+			want:  map[string]interface{}{},
+		},
+	}
+	for _, tt := range tests {
+		if got, err := cloneMap(tt.input); err != nil {
+			t.Errorf("expect no err, got %v", err)
+		} else if !reflect.DeepEqual(got, tt.want) {
+			t.Errorf("cloneMap(%v) = %v, want %v", tt.input, got, tt.want)
+		}
+	}
+}
+
+func TestConvertMap(t *testing.T) {
+	tests := []struct {
+		input interface{}
+		want  interface{}
+	}{
+		{
+			input: map[string]interface{}{
+				"a": 1,
+				"b": "2",
+				"c": true,
+				"d": []byte{65, 66, 67},
+			},
+			want: map[string]interface{}{
+				"a": 1,
+				"b": "2",
+				"c": true,
+				"d": "ABC",
+			},
+		},
+		{
+			input: []interface{}{1, 2.0, "3", true, nil, []interface{}{1, 2.0, "3", true, nil}},
+			want:  []interface{}{1, 2.0, "3", true, nil, []interface{}{1, 2.0, "3", true, nil}},
+		},
+		{
+			input: []byte{65, 66, 67},
+			want:  "ABC",
+		},
+	}
+	for _, tt := range tests {
+		if got := convertMap(tt.input); !reflect.DeepEqual(got, tt.want) {
+			t.Errorf("convertMap(%v) = %v, want %v", tt.input, got, tt.want)
+		}
+	}
+}
+
+func TestReadValue(t *testing.T) {
+	m := map[string]interface{}{
+		"a": 1,
+		"b": map[string]interface{}{
+			"c": "3",
+			"d": map[string]interface{}{
+				"e": true,
+			},
+		},
+	}
+	va := atomicValue{}
+	va.Store(1)
+
+	vbc := atomicValue{}
+	vbc.Store("3")
+
+	vbde := atomicValue{}
+	vbde.Store(true)
+
+	tests := []struct {
+		path string
+		want atomicValue
+	}{
+		{
+			path: "a",
+			want: va,
+		},
+		{
+			path: "b.c",
+			want: vbc,
+		},
+		{
+			path: "b.d.e",
+			want: vbde,
+		},
+	}
+	for _, tt := range tests {
+		if got, found := readValue(m, tt.path); !found {
+			t.Errorf("expect found %v in %v, but not.", tt.path, m)
+		} else if got.Load() != tt.want.Load() {
+			t.Errorf("readValue(%v, %v) = %v, want %v", m, tt.path, got, tt.want)
+		}
+	}
 }

config/value.go

@@ -8,8 +8,9 @@ import (
 	"sync/atomic"
 	"time"
 
-	"google.golang.org/protobuf/encoding/protojson"
 	"google.golang.org/protobuf/proto"
+
+	kratosjson "github.com/go-kratos/kratos/v2/encoding/json"
 )
 
 var (
@@ -35,88 +36,124 @@ type atomicValue struct {
 	atomic.Value
 }
 
+func (v *atomicValue) typeAssertError() error {
+	return fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+}
+
 func (v *atomicValue) Bool() (bool, error) {
 	switch val := v.Load().(type) {
 	case bool:
 		return val, nil
-	case int, int32, int64, float64, string:
+	case int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, float32, float64, string:
 		return strconv.ParseBool(fmt.Sprint(val))
 	}
-	return false, fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return false, v.typeAssertError()
 }
 
 func (v *atomicValue) Int() (int64, error) {
 	switch val := v.Load().(type) {
 	case int:
 		return int64(val), nil
+	case int8:
+		return int64(val), nil
+	case int16:
+		return int64(val), nil
 	case int32:
 		return int64(val), nil
 	case int64:
 		return val, nil
+	case uint:
+		return int64(val), nil
+	case uint8:
+		return int64(val), nil
+	case uint16:
+		return int64(val), nil
+	case uint32:
+		return int64(val), nil
+	case uint64:
+		return int64(val), nil
+	case float32:
+		return int64(val), nil
 	case float64:
 		return int64(val), nil
 	case string:
-		return strconv.ParseInt(val, 10, 64) //nolint:gomnd
+		return strconv.ParseInt(val, 10, 64)
 	}
-	return 0, fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return 0, v.typeAssertError()
 }
 
 func (v *atomicValue) Slice() ([]Value, error) {
-	if vals, ok := v.Load().([]interface{}); ok {
-		var slices []Value
-		for _, val := range vals {
-			a := &atomicValue{}
-			a.Store(val)
-			slices = append(slices, a)
-		}
-		return slices, nil
+	vals, ok := v.Load().([]interface{})
+	if !ok {
+		return nil, v.typeAssertError()
+	}
+	slices := make([]Value, 0, len(vals))
+	for _, val := range vals {
+		a := new(atomicValue)
+		a.Store(val)
+		slices = append(slices, a)
 	}
-	return nil, fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return slices, nil
 }
 
 func (v *atomicValue) Map() (map[string]Value, error) {
-	if vals, ok := v.Load().(map[string]interface{}); ok {
-		m := make(map[string]Value)
-		for key, val := range vals {
-			a := &atomicValue{}
-			a.Store(val)
-			m[key] = a
-		}
-		return m, nil
+	vals, ok := v.Load().(map[string]interface{})
+	if !ok {
+		return nil, v.typeAssertError()
+	}
+	m := make(map[string]Value, len(vals))
+	for key, val := range vals {
+		a := new(atomicValue)
+		a.Store(val)
+		m[key] = a
 	}
-	return nil, fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return m, nil
 }
 
 func (v *atomicValue) Float() (float64, error) {
 	switch val := v.Load().(type) {
-	case float64:
-		return val, nil
 	case int:
 		return float64(val), nil
+	case int8:
+		return float64(val), nil
+	case int16:
+		return float64(val), nil
 	case int32:
 		return float64(val), nil
 	case int64:
 		return float64(val), nil
+	case uint:
+		return float64(val), nil
+	case uint8:
+		return float64(val), nil
+	case uint16:
+		return float64(val), nil
+	case uint32:
+		return float64(val), nil
+	case uint64:
+		return float64(val), nil
+	case float32:
+		return float64(val), nil
+	case float64:
+		return val, nil
 	case string:
-		return strconv.ParseFloat(val, 64) //nolint:gomnd
+		return strconv.ParseFloat(val, 64)
 	}
-	return 0.0, fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return 0.0, v.typeAssertError()
 }
 
 func (v *atomicValue) String() (string, error) {
 	switch val := v.Load().(type) {
 	case string:
 		return val, nil
-	case bool, int, int32, int64, float64:
+	case bool, int, int8, int16, int32, int64, uint, uint8, uint16, uint32, uint64, float32, float64:
 		return fmt.Sprint(val), nil
 	case []byte:
 		return string(val), nil
-	default:
-		if s, ok := val.(fmt.Stringer); ok {
-			return s.String(), nil
-		}
+	case fmt.Stringer:
+		return val.String(), nil
 	}
-	return "", fmt.Errorf("type assert to %v failed", reflect.TypeOf(v.Load()))
+	return "", v.typeAssertError()
 }
 
 func (v *atomicValue) Duration() (time.Duration, error) {
@@ -133,7 +170,7 @@ func (v *atomicValue) Scan(obj interface{}) error {
 		return err
 	}
 	if pb, ok := obj.(proto.Message); ok {
-		return protojson.Unmarshal(data, pb)
+		return kratosjson.UnmarshalOptions.Unmarshal(data, pb)
 	}
 	return json.Unmarshal(data, obj)
 }

config/value_test.go

@@ -4,18 +4,20 @@ import (
 	"fmt"
 	"testing"
 	"time"
-
-	"github.com/stretchr/testify/assert"
 )
 
-func Test_atomicValue_Bool(t *testing.T) {
+func TestAtomicValue_Bool(t *testing.T) {
 	vlist := []interface{}{"1", "t", "T", "true", "TRUE", "True", true, 1, int32(1)}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.Bool()
-		assert.NoError(t, err, b)
-		assert.True(t, b, b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !b {
+			t.Fatal("b is not equal to true")
+		}
 	}
 
 	vlist = []interface{}{"0", "f", "F", "false", "FALSE", "False", false, 0, int32(0)}
@@ -23,54 +25,72 @@ func Test_atomicValue_Bool(t *testing.T) {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.Bool()
-		assert.NoError(t, err, b)
-		assert.False(t, b, b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b {
+			t.Fatal("b is not equal to false")
+		}
 	}
 
-	vlist = []interface{}{uint16(1), "bbb", "-1"}
+	vlist = []interface{}{"bbb", "-1"}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
-		b, err := v.Bool()
-		assert.Error(t, err, b)
+		_, err := v.Bool()
+		if err == nil {
+			t.Fatal("err is nil")
+		}
 	}
 }
 
-func Test_atomicValue_Int(t *testing.T) {
+func TestAtomicValue_Int(t *testing.T) {
 	vlist := []interface{}{"123123", float64(123123), int64(123123), int32(123123), 123123}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.Int()
-		assert.NoError(t, err, b)
-		assert.Equal(t, int64(123123), b, b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b != 123123 {
+			t.Fatal("b is not equal to 123123")
+		}
 	}
 
-	vlist = []interface{}{uint16(1), "bbb", "-x1", true}
+	vlist = []interface{}{"bbb", "-x1", true}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
-		b, err := v.Int()
-		assert.Error(t, err, b)
+		_, err := v.Int()
+		if err == nil {
+			t.Fatal("err is nil")
+		}
 	}
 }
 
-func Test_atomicValue_Float(t *testing.T) {
-	vlist := []interface{}{"123123.1", float64(123123.1)}
+func TestAtomicValue_Float(t *testing.T) {
+	vlist := []interface{}{"123123.1", 123123.1}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.Float()
-		assert.NoError(t, err, b)
-		assert.Equal(t, float64(123123.1), b, b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b != 123123.1 {
+			t.Fatal("b is not equal to 123123.1")
+		}
 	}
 
-	vlist = []interface{}{float32(1123123), uint16(1), "bbb", "-x1"}
+	vlist = []interface{}{"bbb", "-x1"}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
-		b, err := v.Float()
-		assert.Error(t, err, b)
+		_, err := v.Float()
+		if err == nil {
+			t.Fatal("err is nil")
+		}
 	}
 }
 
@@ -83,21 +103,29 @@ func (t ts) String() string {
 	return fmt.Sprintf("%s%d", t.Name, t.Age)
 }
 
-func Test_atomicValue_String(t *testing.T) {
+func TestAtomicValue_String(t *testing.T) {
 	vlist := []interface{}{"1", float64(1), int64(1), 1, int64(1)}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.String()
-		assert.NoError(t, err, b)
-		assert.Equal(t, "1", b, b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b != "1" {
+			t.Fatal("b is not equal to 1")
+		}
 	}
 
 	v := atomicValue{}
 	v.Store(true)
 	b, err := v.String()
-	assert.NoError(t, err, b)
-	assert.Equal(t, "true", b, b)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if b != "true" {
+		t.Fatal(`b is not equal to "true"`)
+	}
 
 	v = atomicValue{}
 	v.Store(ts{
@@ -105,65 +133,92 @@ func Test_atomicValue_String(t *testing.T) {
 		Age:  10,
 	})
 	b, err = v.String()
-	assert.NoError(t, err, b)
-	assert.Equal(t, "test10", b, "test Stringer should be equal")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if b != "test10" {
+		t.Fatal(`b is not equal to "test10"`)
+	}
 }
 
-func Test_atomicValue_Duration(t *testing.T) {
+func TestAtomicValue_Duration(t *testing.T) {
 	vlist := []interface{}{int64(5)}
 	for _, x := range vlist {
 		v := atomicValue{}
 		v.Store(x)
 		b, err := v.Duration()
-		assert.NoError(t, err)
-		assert.Equal(t, time.Duration(5), b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b != time.Duration(5) {
+			t.Fatal("b is not equal to time.Duration(5)")
+		}
 	}
 }
 
-func Test_atomicValue_Slice(t *testing.T) {
+func TestAtomicValue_Slice(t *testing.T) {
 	vlist := []interface{}{int64(5)}
 	v := atomicValue{}
 	v.Store(vlist)
 	slices, err := v.Slice()
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 	for _, v := range slices {
 		b, err := v.Duration()
-		assert.NoError(t, err)
-		assert.Equal(t, time.Duration(5), b)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if b != time.Duration(5) {
+			t.Fatal("b is not equal to time.Duration(5)")
+		}
 	}
 }
 
-func Test_atomicValue_Map(t *testing.T) {
+func TestAtomicValue_Map(t *testing.T) {
 	vlist := make(map[string]interface{})
 	vlist["5"] = int64(5)
 	vlist["text"] = "text"
 	v := atomicValue{}
 	v.Store(vlist)
 	m, err := v.Map()
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 	for k, v := range m {
 		if k == "5" {
 			b, err := v.Duration()
-			assert.NoError(t, err)
-			assert.Equal(t, time.Duration(5), b)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if b != time.Duration(5) {
+				t.Fatal("b is not equal to time.Duration(5)")
+			}
 		} else {
 			b, err := v.String()
-			assert.NoError(t, err)
-			assert.Equal(t, "text", b)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if b != "text" {
+				t.Fatal(`b is not equal to "text"`)
+			}
 		}
 	}
 }
 
-func Test_atomicValue_Scan(t *testing.T) {
-	var err error
+func TestAtomicValue_Scan(t *testing.T) {
 	v := atomicValue{}
-	err = v.Scan(&struct {
+	err := v.Scan(&struct {
 		A string `json:"a"`
 	}{"a"})
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 
 	err = v.Scan(&struct {
 		A string `json:"a"`
 	}{"a"})
-	assert.NoError(t, err)
+	if err != nil {
+		t.Fatal(err)
+	}
 }

container/group/group_test.go

@@ -1,65 +0,0 @@
-package group
-
-import (
-	"testing"
-
-	"github.com/stretchr/testify/assert"
-)
-
-func TestGroupGet(t *testing.T) {
-	count := 0
-	g := NewGroup(func() interface{} {
-		count++
-		return count
-	})
-	v := g.Get("key_0")
-	assert.Equal(t, 1, v.(int))
-
-	v = g.Get("key_1")
-	assert.Equal(t, 2, v.(int))
-
-	v = g.Get("key_0")
-	assert.Equal(t, 1, v.(int))
-	assert.Equal(t, 2, count)
-}
-
-func TestGroupReset(t *testing.T) {
-	g := NewGroup(func() interface{} {
-		return 1
-	})
-	g.Get("key")
-	call := false
-	g.Reset(func() interface{} {
-		call = true
-		return 1
-	})
-
-	length := 0
-	for range g.vals {
-		length++
-	}
-
-	assert.Equal(t, 0, length)
-
-	g.Get("key")
-	assert.Equal(t, true, call)
-}
-
-func TestGroupClear(t *testing.T) {
-	g := NewGroup(func() interface{} {
-		return 1
-	})
-	g.Get("key")
-	length := 0
-	for range g.vals {
-		length++
-	}
-	assert.Equal(t, 1, length)
-
-	g.Clear()
-	length = 0
-	for range g.vals {
-		length++
-	}
-	assert.Equal(t, 0, length)
-}

contrib/config/apollo/README.md

@@ -55,9 +55,6 @@ func WithEnableBackup() Option
 // specify apollo endpoint, such as http://localhost:8080
 func WithEndpoint(endpoint string) Option
 
-// inject a logger to debug
-func WithLogger(logger log.Logger) Option
-
 // namespaces to load, comma to separate. 
 func WithNamespace(name string) Option
 
@@ -100,5 +97,4 @@ config := map[string]interface{}{
         }
     }
 }
-_ = config
-```
+```

contrib/config/apollo/apollo.go

@@ -1,22 +1,32 @@
 package apollo
 
 import (
-	"fmt"
 	"strings"
 
+	"github.com/apolloconfig/agollo/v4"
+	"github.com/apolloconfig/agollo/v4/constant"
+	apolloconfig "github.com/apolloconfig/agollo/v4/env/config"
+	"github.com/apolloconfig/agollo/v4/extension"
+
 	"github.com/go-kratos/kratos/v2/config"
 	"github.com/go-kratos/kratos/v2/encoding"
 	"github.com/go-kratos/kratos/v2/log"
-
-	"github.com/apolloconfig/agollo/v4"
-	apolloConfig "github.com/apolloconfig/agollo/v4/env/config"
 )
 
 type apollo struct {
-	client *agollo.Client
+	client agollo.Client
 	opt    *options
 }
 
+const (
+	yaml       = "yaml"
+	yml        = "yml"
+	json       = "json"
+	properties = "properties"
+)
+
+var formats map[string]struct{}
+
 // Option is apollo option
 type Option func(*options)
 
@@ -28,8 +38,7 @@ type options struct {
 	namespace      string
 	isBackupConfig bool
 	backupPath     string
-
-	logger log.Logger
+	originConfig   bool
 }
 
 // WithAppID with apollo config app id
@@ -88,24 +97,23 @@ func WithBackupPath(backupPath string) Option {
 	}
 }
 
-// WithLogger use custom logger to replace default logger.
-func WithLogger(logger log.Logger) Option {
+// WithOriginalConfig use the original configuration file without parse processing
+func WithOriginalConfig() Option {
 	return func(o *options) {
-		if logger != nil {
-			o.logger = logger
-		}
+		extension.AddFormatParser(constant.JSON, &jsonExtParser{})
+		extension.AddFormatParser(constant.YAML, &yamlExtParser{})
+		extension.AddFormatParser(constant.YML, &yamlExtParser{})
+		o.originConfig = true
 	}
 }
 
 func NewSource(opts ...Option) config.Source {
-	op := options{
-		logger: log.DefaultLogger,
-	}
+	op := options{}
 	for _, o := range opts {
 		o(&op)
 	}
-	client, err := agollo.StartWithConfig(func() (*apolloConfig.AppConfig, error) {
-		return &apolloConfig.AppConfig{
+	client, err := agollo.StartWithConfig(func() (*apolloconfig.AppConfig, error) {
+		return &apolloconfig.AppConfig{
 			AppID:            op.appid,
 			Cluster:          op.cluster,
 			NamespaceName:    op.namespace,
@@ -118,26 +126,100 @@ func NewSource(opts ...Option) config.Source {
 	if err != nil {
 		panic(err)
 	}
-
 	return &apollo{client: client, opt: &op}
 }
 
-// genKey got the key of config.KeyValue pair.
-// eg: namespace.ext with subKey got namespace.subKey
-func genKey(ns, sub string) string {
+func format(ns string) string {
 	arr := strings.Split(ns, ".")
-	if len(arr) < 1 {
-		return sub
+	suffix := arr[len(arr)-1]
+	if len(arr) <= 1 || suffix == properties {
+		return json
+	}
+	if _, ok := formats[suffix]; !ok {
+		// fallback
+		return json
 	}
 
-	if len(arr) == 1 {
-		if ns == "" {
-			return sub
+	return suffix
+}
+
+func (e *apollo) load() []*config.KeyValue {
+	kvs := make([]*config.KeyValue, 0)
+	namespaces := strings.Split(e.opt.namespace, ",")
+
+	for _, ns := range namespaces {
+		if !e.opt.originConfig {
+			kv, err := e.getConfig(ns)
+			if err != nil {
+				log.Errorf("apollo get config failed，err:%v", err)
+				continue
+			}
+			kvs = append(kvs, kv)
+			continue
 		}
-		return ns + "." + sub
+		if strings.Contains(ns, ".") && !strings.HasSuffix(ns, "."+properties) &&
+			(format(ns) == yaml || format(ns) == yml || format(ns) == json) {
+			kv, err := e.getOriginConfig(ns)
+			if err != nil {
+				log.Errorf("apollo get config failed，err:%v", err)
+				continue
+			}
+			kvs = append(kvs, kv)
+			continue
+		}
+		kv, err := e.getConfig(ns)
+		if err != nil {
+			log.Errorf("apollo get config failed，err:%v", err)
+			continue
+		}
+		kvs = append(kvs, kv)
 	}
+	return kvs
+}
 
-	return strings.Join(arr[:len(arr)-1], ".") + "." + sub
+func (e *apollo) getConfig(ns string) (*config.KeyValue, error) {
+	next := map[string]interface{}{}
+	e.client.GetConfigCache(ns).Range(func(key, value interface{}) bool {
+		// all values are out properties format
+		resolve(genKey(ns, key.(string)), value, next)
+		return true
+	})
+	f := format(ns)
+	codec := encoding.GetCodec(f)
+	val, err := codec.Marshal(next)
+	if err != nil {
+		return nil, err
+	}
+	return &config.KeyValue{
+		Key:    ns,
+		Value:  val,
+		Format: f,
+	}, nil
+}
+
+func (e apollo) getOriginConfig(ns string) (*config.KeyValue, error) {
+	value, err := e.client.GetConfigCache(ns).Get("content")
+	if err != nil {
+		return nil, err
+	}
+	// serialize the namespace content KeyValue into bytes.
+	return &config.KeyValue{
+		Key:    ns,
+		Value:  []byte(value.(string)),
+		Format: format(ns),
+	}, nil
+}
+
+func (e *apollo) Load() (kv []*config.KeyValue, err error) {
+	return e.load(), nil
+}
+
+func (e *apollo) Watch() (config.Watcher, error) {
+	w, err := newWatcher(e)
+	if err != nil {
+		return nil, err
+	}
+	return w, nil
 }
 
 // resolve convert kv pair into one map[string]interface{} by split key into different
@@ -167,66 +249,38 @@ func resolve(key string, value interface{}, target map[string]interface{}) {
 		// current exists, then check existing value type, if it's not map
 		// that means duplicate keys, and at least one is not map instance.
 		if cursor, ok = v.(map[string]interface{}); !ok {
-			_ = log.DefaultLogger.Log(log.LevelWarn,
-				"msg",
-				fmt.Sprintf("duplicate key: %v\n", strings.Join(keys[:i+1], ".")),
-			)
+			log.Warnf("duplicate key: %v\n", strings.Join(keys[:i+1], "."))
 			break
 		}
 	}
 }
 
-func format(ns string) string {
+// genKey got the key of config.KeyValue pair.
+// eg: namespace.ext with subKey got namespace.subKey
+func genKey(ns, sub string) string {
 	arr := strings.Split(ns, ".")
-	if len(arr) <= 1 {
-		return "json"
-	}
-
-	return arr[len(arr)-1]
-}
-
-func (e *apollo) load() []*config.KeyValue {
-	kv := make([]*config.KeyValue, 0)
-	namespaces := strings.Split(e.opt.namespace, ",")
-
-	for _, ns := range namespaces {
-		next := map[string]interface{}{}
-		e.client.GetConfigCache(ns).Range(func(key, value interface{}) bool {
-			// all values are out properties format
-			resolve(genKey(ns, key.(string)), value, next)
-			return true
-		})
-
-		// serialize the namespace content KeyValue into bytes.
-		f := format(ns)
-		codec := encoding.GetCodec(f)
-		val, err := codec.Marshal(next)
-		if err != nil {
-			_ = e.opt.logger.Log(log.LevelWarn,
-				"msg",
-				fmt.Sprintf("apollo could not handle namespace %s: %v", ns, err),
-			)
-			continue
+	if len(arr) == 1 {
+		if ns == "" {
+			return sub
 		}
 
-		kv = append(kv, &config.KeyValue{
-			Key:    ns,
-			Value:  val,
-			Format: f,
-		})
+		return ns + "." + sub
+	}
+
+	suffix := arr[len(arr)-1]
+	_, ok := formats[suffix]
+	if ok {
+		return strings.Join(arr[:len(arr)-1], ".") + "." + sub
 	}
 
-	return kv
+	return ns + "." + sub
 }
 
-func (e *apollo) Load() (kv []*config.KeyValue, err error) {
-	return e.load(), nil
-}
+func init() {
+	formats = make(map[string]struct{})
 
-func (e *apollo) Watch() (config.Watcher, error) {
-	w, err := newWatcher(e, e.opt.logger)
-	if err != nil {
-		return nil, err
-	}
-	return w, nil
+	formats[yaml] = struct{}{}
+	formats[yml] = struct{}{}
+	formats[json] = struct{}{}
+	formats[properties] = struct{}{}
 }

contrib/config/apollo/apollo_test.go

@@ -2,8 +2,6 @@ package apollo
 
 import (
 	"testing"
-
-	"github.com/stretchr/testify/assert"
 )
 
 func Test_genKey(t *testing.T) {
@@ -17,44 +15,28 @@ func Test_genKey(t *testing.T) {
 		want string
 	}{
 		{
-			name: "case 1",
+			name: "blank namespace",
 			args: args{
 				ns:  "",
-				sub: "has_no_ns",
+				sub: "x.y",
 			},
-			want: "has_no_ns",
+			want: "x.y",
 		},
 		{
-			name: "case 2",
+			name: "properties namespace",
 			args: args{
-				ns:  "ns.ext",
-				sub: "sub",
+				ns:  "application",
+				sub: "x.y",
 			},
-			want: "ns.sub",
+			want: "application.x.y",
 		},
 		{
-			name: "case 3",
+			name: "namespace with format",
 			args: args{
-				ns:  "",
-				sub: "",
+				ns:  "app.yaml",
+				sub: "x.y",
 			},
-			want: "",
-		},
-		{
-			name: "case 4",
-			args: args{
-				ns:  "ns.ext",
-				sub: "sub.sub2.sub3",
-			},
-			want: "ns.sub.sub2.sub3",
-		},
-		{
-			name: "case 5",
-			args: args{
-				ns:  "ns.more.ext",
-				sub: "sub.sub2.sub3",
-			},
-			want: "ns.more.sub.sub2.sub3",
+			want: "app.x.y",
 		},
 	}
 	for _, tt := range tests {
@@ -67,106 +49,42 @@ func Test_genKey(t *testing.T) {
 }
 
 func Test_format(t *testing.T) {
-	type args struct {
-		ns string
-	}
 	tests := []struct {
-		name string
-		args args
-		want string
+		name      string
+		namespace string
+		want      string
 	}{
 		{
-			name: "case 0",
-			args: args{
-				ns: "ns.yaml",
-			},
-			want: "yaml",
+			name:      "properties namespace",
+			namespace: "application",
+			want:      "json",
 		},
 		{
-			name: "case 1",
-			args: args{
-				ns: "ns",
-			},
-			want: "json",
+			name:      "properties namespace #1",
+			namespace: "app.setting",
+			want:      "json",
 		},
 		{
-			name: "case 2",
-			args: args{
-				ns: "ns.more.json",
-			},
-			want: "json",
+			name:      "namespace with format[yaml]",
+			namespace: "app.yaml",
+			want:      "yaml",
 		},
 		{
-			name: "case 3",
-			args: args{
-				ns: "",
-			},
-			want: "json",
+			name:      "namespace with format[yml]",
+			namespace: "app.yml",
+			want:      "yml",
 		},
-	}
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			if got := format(tt.args.ns); got != tt.want {
-				t.Errorf("format() = %v, want %v", got, tt.want)
-			}
-		})
-	}
-}
-
-func Test_convertProperties(t *testing.T) {
-	type args struct {
-		key    string
-		value  interface{}
-		target map[string]interface{}
-	}
-	tests := []struct {
-		name string
-		args args
-		want map[string]interface{}
-	}{
 		{
-			name: "case 0",
-			args: args{
-				key:    "application.name",
-				value:  "app name",
-				target: map[string]interface{}{},
-			},
-			want: map[string]interface{}{
-				"application": map[string]interface{}{
-					"name": "app name",
-				},
-			},
-		},
-		{
-			name: "case 1",
-			args: args{
-				key:    "application",
-				value:  []string{"1", "2", "3"},
-				target: map[string]interface{}{},
-			},
-			want: map[string]interface{}{
-				"application": []string{"1", "2", "3"},
-			},
+			name:      "namespace with format[json]",
+			namespace: "app.json",
+			want:      "json",
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			resolve(tt.args.key, tt.args.value, tt.args.target)
-			assert.Equal(t, tt.want, tt.args.target)
+			if got := format(tt.namespace); got != tt.want {
+				t.Errorf("format() = %v, want %v", got, tt.want)
+			}
 		})
 	}
 }
-
-func Test_convertProperties_duplicate(t *testing.T) {
-	target := map[string]interface{}{}
-	resolve("application.name", "name", target)
-	assert.Contains(t, target, "application")
-	assert.Contains(t, target["application"], "name")
-	assert.Equal(t, "name", target["application"].(map[string]interface{})["name"])
-
-	// cause duplicate, the oldest value will be kept
-	resolve("application.name.first", "first name", target)
-	assert.Contains(t, target, "application")
-	assert.Contains(t, target["application"], "name")
-	assert.Equal(t, "name", target["application"].(map[string]interface{})["name"])
-}

contrib/config/apollo/go.mod

@@ -3,9 +3,10 @@ module github.com/go-kratos/kratos/contrib/config/apollo/v2
 go 1.16
 
 require (
-	github.com/apolloconfig/agollo/v4 v4.0.8
-	github.com/go-kratos/kratos/v2 v2.1.4
-	github.com/stretchr/testify v1.7.0
+	github.com/apolloconfig/agollo/v4 v4.3.0
+	github.com/go-kratos/kratos/v2 v2.6.3
 )
 
+require github.com/spf13/viper v1.11.0 // indirect
+
 replace github.com/go-kratos/kratos/v2 => ../../../

contrib/config/apollo/json_parser.go

@@ -1,25 +0,0 @@
-package apollo
-
-import (
-	"encoding/json"
-
-	"github.com/apolloconfig/agollo/v4/constant"
-	"github.com/apolloconfig/agollo/v4/extension"
-)
-
-type jsonExtParser struct{}
-
-func (j jsonExtParser) Parse(configContent interface{}) (map[string]interface{}, error) {
-	v, ok := configContent.(string)
-	if !ok {
-		return nil, nil
-	}
-	out := make(map[string]interface{}, 4)
-	err := json.Unmarshal([]byte(v), &out)
-	return out, err
-}
-
-func init() {
-	// add json format
-	extension.AddFormatParser(constant.JSON, &jsonExtParser{})
-}

contrib/config/apollo/parser.go

@@ -0,0 +1,13 @@
+package apollo
+
+type jsonExtParser struct{}
+
+func (parser jsonExtParser) Parse(configContent interface{}) (map[string]interface{}, error) {
+	return map[string]interface{}{"content": configContent}, nil
+}
+
+type yamlExtParser struct{}
+
+func (parser yamlExtParser) Parse(configContent interface{}) (map[string]interface{}, error) {
+	return map[string]interface{}{"content": configContent}, nil
+}

contrib/config/apollo/watcher.go

@@ -2,29 +2,45 @@ package apollo
 
 import (
 	"context"
-	"fmt"
+	"strings"
+
+	"github.com/apolloconfig/agollo/v4/storage"
 
 	"github.com/go-kratos/kratos/v2/config"
 	"github.com/go-kratos/kratos/v2/encoding"
 	"github.com/go-kratos/kratos/v2/log"
-
-	"github.com/apolloconfig/agollo/v4/storage"
 )
 
 type watcher struct {
-	out      <-chan []*config.KeyValue
+	out <-chan []*config.KeyValue
+
+	ctx      context.Context
 	cancelFn func()
 }
 
 type customChangeListener struct {
 	in     chan<- []*config.KeyValue
-	logger log.Logger
+	apollo *apollo
 }
 
-func (c *customChangeListener) onChange(
-	namespace string, changes map[string]*storage.ConfigChange) []*config.KeyValue {
-
+func (c *customChangeListener) onChange(namespace string, changes map[string]*storage.ConfigChange) []*config.KeyValue {
 	kv := make([]*config.KeyValue, 0, 2)
+	if strings.Contains(namespace, ".") && !strings.HasSuffix(namespace, "."+properties) &&
+		(format(namespace) == yaml || format(namespace) == yml || format(namespace) == json) {
+		value, err := c.apollo.client.GetConfigCache(namespace).Get("content")
+		if err != nil {
+			log.Warnw("apollo get config failed", "err", err)
+			return nil
+		}
+		kv = append(kv, &config.KeyValue{
+			Key:    namespace,
+			Value:  []byte(value.(string)),
+			Format: format(namespace),
+		})
+
+		return kv
+	}
+
 	next := make(map[string]interface{})
 
 	for key, change := range changes {
@@ -35,10 +51,7 @@ func (c *customChangeListener) onChange(
 	codec := encoding.GetCodec(f)
 	val, err := codec.Marshal(next)
 	if err != nil {
-		_ = c.logger.Log(log.LevelWarn,
-			"msg",
-			fmt.Sprintf("apollo could not handle namespace %s: %v", namespace, err),
-		)
+		log.Warnf("apollo could not handle namespace %s: %v", namespace, err)
 		return nil
 	}
 	kv = append(kv, &config.KeyValue{
@@ -59,39 +72,38 @@ func (c *customChangeListener) OnChange(changeEvent *storage.ChangeEvent) {
 	c.in <- change
 }
 
-func (c *customChangeListener) OnNewestChange(changeEvent *storage.FullChangeEvent) {}
-
-func newWatcher(a *apollo, logger log.Logger) (config.Watcher, error) {
-	if logger == nil {
-		logger = log.DefaultLogger
-	}
+func (c *customChangeListener) OnNewestChange(_ *storage.FullChangeEvent) {}
 
+func newWatcher(a *apollo) (config.Watcher, error) {
 	changeCh := make(chan []*config.KeyValue)
-	listener := &customChangeListener{in: changeCh, logger: logger}
+	listener := &customChangeListener{in: changeCh, apollo: a}
 	a.client.AddChangeListener(listener)
 
+	ctx, cancel := context.WithCancel(context.Background())
 	return &watcher{
 		out: changeCh,
+
+		ctx: ctx,
 		cancelFn: func() {
 			a.client.RemoveChangeListener(listener)
-			close(changeCh)
+			cancel()
 		},
 	}, nil
 }
 
 // Next will be blocked until the Stop method is called
 func (w *watcher) Next() ([]*config.KeyValue, error) {
-	kv, ok := <-w.out
-	if !ok {
-		return nil, context.Canceled
+	select {
+	case kv := <-w.out:
+		return kv, nil
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
 	}
-	return kv, nil
 }
 
 func (w *watcher) Stop() error {
 	if w.cancelFn != nil {
 		w.cancelFn()
 	}
-
 	return nil
 }

contrib/config/consul/README.md

@@ -2,35 +2,24 @@
 
 ```go
 import (
-	kconfig "github.com/go-kratos/kratos/v2/config"
-	"github.com/nacos-group/nacos-sdk-go/clients"
-	"github.com/nacos-group/nacos-sdk-go/common/constant"
-)
-
-
-sc := []constant.ServerConfig{
-	*constant.NewServerConfig("127.0.0.1", 8848),
-}
+    "github.com/hashicorp/consul/api"
 
-cc := &constant.ClientConfig{
-	NamespaceId:         "public", //namespace id
-	TimeoutMs:           5000,
-	NotLoadCacheAtStart: true,
-	LogDir:              "/tmp/nacos/log",
-	CacheDir:            "/tmp/nacos/cache",
-	RotateTime:          "1h",
-	MaxAge:              3,
-	LogLevel:            "debug",
-}
-
-// a more graceful way to create naming client
-client, err := clients.NewNamingClient(
-	vo.NacosClientParam{
-		ClientConfig:  cc,
-		ServerConfigs: sc,
-	},
+    "github.com/go-kratos/kratos/contrib/config/consul/v2"
 )
-if err != nil {
-	log.Panic(err)
+
+func main() {
+    consulClient, err := api.NewClient(&api.Config{
+        Address: "127.0.0.1:8500",
+    })
+    if err != nil {
+        panic(err)
+    }
+    cs, err := consul.New(consulClient, consul.WithPath("app/cart/configs/"))
+    // consul中需要标注文件后缀，kratos读取配置需要适配文件后缀
+    // The file suffix needs to be marked, and kratos needs to adapt the file suffix to read the configuration.
+    if err != nil {
+        panic(err)
+    }
+    c := config.New(config.WithSource(cs))
 }
 ```

contrib/config/consul/config.go

@@ -6,8 +6,9 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/go-kratos/kratos/v2/config"
 	"github.com/hashicorp/consul/api"
+
+	"github.com/go-kratos/kratos/v2/config"
 )
 
 // Option is etcd config option.
@@ -18,18 +19,18 @@ type options struct {
 	path string
 }
 
-//  WithContext with registry context.
+// WithContext with registry context.
 func WithContext(ctx context.Context) Option {
-	return Option(func(o *options) {
+	return func(o *options) {
 		o.ctx = ctx
-	})
+	}
 }
 
 // WithPath is config path
 func WithPath(p string) Option {
-	return Option(func(o *options) {
+	return func(o *options) {
 		o.path = p
-	})
+	}
 }
 
 type source struct {
@@ -71,6 +72,9 @@ func (s *source) Load() ([]*config.KeyValue, error) {
 	kvs := make([]*config.KeyValue, 0)
 	for _, item := range kv {
 		k := strings.TrimPrefix(item.Key, pathPrefix)
+		if k == "" {
+			continue
+		}
 		kvs = append(kvs, &config.KeyValue{
 			Key:    k,
 			Value:  item.Value,

contrib/config/consul/config_test.go

@@ -1,10 +1,13 @@
 package consul
 
 import (
+	"reflect"
 	"testing"
+	"time"
 
 	"github.com/hashicorp/consul/api"
-	"github.com/stretchr/testify/assert"
+
+	"github.com/go-kratos/kratos/v2/config"
 )
 
 const testPath = "kratos/test/config"
@@ -86,9 +89,171 @@ func TestExtToFormat(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
+	if !reflect.DeepEqual(len(kvs), 1) {
+		t.Errorf("len(kvs) is %d", len(kvs))
+	}
+	if !reflect.DeepEqual(tn, kvs[0].Key) {
+		t.Errorf("kvs[0].Key is %s", kvs[0].Key)
+	}
+	if !reflect.DeepEqual(tc, string(kvs[0].Value)) {
+		t.Errorf("kvs[0].Value is %s", kvs[0].Value)
+	}
+	if !reflect.DeepEqual("json", kvs[0].Format) {
+		t.Errorf("kvs[0].Format is %s", kvs[0].Format)
+	}
+}
+
+func Test_source_Watch(t *testing.T) {
+	client, err := api.NewClient(&api.Config{
+		Address: "127.0.0.1:8500",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	source, err := New(client, WithPath(testPath))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	type fields struct {
+		source config.Source
+	}
+
+	type args struct {
+		key   string
+		value string
+	}
+
+	tests := []struct {
+		name      string
+		fields    fields
+		args      args
+		want      string
+		wantErr   bool
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name:   "normal",
+			fields: fields{source: source},
+			args: args{
+				key:   testKey,
+				value: "test value",
+			},
+			want:    "test value",
+			wantErr: false,
+			deferFunc: func(t *testing.T) {
+				_, err := client.KV().Delete(testKey, nil)
+				if err != nil {
+					t.Error(err)
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+
+			got, err := tt.fields.source.Watch()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Watch() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			time.Sleep(100 * time.Millisecond)
+			_, err = client.KV().Put(&api.KVPair{Key: tt.args.key, Value: []byte(tt.args.value)}, nil)
+			if err != nil {
+				t.Error(err)
+			}
+
+			next, err := got.Next()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Watch() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+
+			if len(next) != 1 {
+				t.Error("watch is error")
+			}
+
+			if !reflect.DeepEqual(string(next[0].Value), tt.want) {
+				t.Errorf("Watch got = %v, want %v", string(next[0].Value), tt.want)
+			}
+		})
+	}
+}
+
+func Test_source_Load(t *testing.T) {
+	client, err := api.NewClient(&api.Config{
+		Address: "127.0.0.1:8500",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	source, err := New(client, WithPath(testPath))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	type args struct {
+		key   string
+		value string
+	}
+	type fields struct {
+		source config.Source
+	}
+	tests := []struct {
+		name      string
+		args      args
+		fields    fields
+		want      []*config.KeyValue
+		wantErr   bool
+		deferFunc func(t *testing.T)
+	}{
+		{
+			name: "normal",
+			args: args{
+				key:   testKey,
+				value: "test value",
+			},
+			fields: fields{
+				source: source,
+			},
+			want: []*config.KeyValue{
+				{
+					Key:   "key",
+					Value: []byte("test value"),
+				},
+			},
+			deferFunc: func(t *testing.T) {
+				_, err1 := client.KV().Delete(testKey, nil)
+				if err1 != nil {
+					t.Error(err)
+				}
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.deferFunc != nil {
+				defer tt.deferFunc(t)
+			}
+			_, err = client.KV().Put(&api.KVPair{Key: tt.args.key, Value: []byte(tt.args.value)}, nil)
+			if err != nil {
+				t.Error(err)
+			}
+			got, err := tt.fields.source.Load()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("Load() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
 
-	assert.Equal(t, 1, len(kvs))
-	assert.Equal(t, tn, kvs[0].Key)
-	assert.Equal(t, tc, string(kvs[0].Value))
-	assert.Equal(t, "json", kvs[0].Format)
+			if !reflect.DeepEqual(got[0], tt.want[0]) {
+				t.Errorf("Load() got = %v, want %v", got, tt.want)
+			}
+		})
+	}
 }

contrib/config/consul/go.mod

@@ -3,9 +3,13 @@ module github.com/go-kratos/kratos/contrib/config/consul/v2
 go 1.15
 
 require (
-	github.com/go-kratos/kratos/v2 v2.1.4
-	github.com/hashicorp/consul/api v1.10.0
-	github.com/stretchr/testify v1.7.0
+	github.com/armon/go-metrics v0.3.10 // indirect
+	github.com/go-kratos/kratos/v2 v2.6.3
+	github.com/hashicorp/consul/api v1.20.0
+	github.com/hashicorp/go-hclog v0.14.1 // indirect
+	github.com/hashicorp/go-immutable-radix v1.3.0 // indirect
+	github.com/hashicorp/go-msgpack v0.5.5 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
 )
 
 replace github.com/go-kratos/kratos/v2 => ../../../

contrib/config/consul/watcher.go

@@ -1,19 +1,24 @@
 package consul
 
 import (
-	"github.com/go-kratos/kratos/v2/config"
+	"context"
+
 	"github.com/hashicorp/consul/api"
 	"github.com/hashicorp/consul/api/watch"
+
+	"github.com/go-kratos/kratos/v2/config"
 )
 
 type watcher struct {
-	source    *source
-	ch        chan interface{}
-	closeChan chan struct{}
-	wp        *watch.Plan
+	source *source
+	ch     chan interface{}
+	wp     *watch.Plan
+
+	ctx    context.Context
+	cancel context.CancelFunc
 }
 
-func (w *watcher) handle(idx uint64, data interface{}) {
+func (w *watcher) handle(_ uint64, data interface{}) {
 	if data == nil {
 		return
 	}
@@ -27,10 +32,13 @@ func (w *watcher) handle(idx uint64, data interface{}) {
 }
 
 func newWatcher(s *source) (*watcher, error) {
+	ctx, cancel := context.WithCancel(context.Background())
 	w := &watcher{
-		source:    s,
-		ch:        make(chan interface{}),
-		closeChan: make(chan struct{}),
+		source: s,
+		ch:     make(chan interface{}),
+
+		ctx:    ctx,
+		cancel: cancel,
 	}
 
 	wp, err := watch.Parse(map[string]interface{}{"type": "keyprefix", "prefix": s.options.path})
@@ -54,18 +62,15 @@ func newWatcher(s *source) (*watcher, error) {
 
 func (w *watcher) Next() ([]*config.KeyValue, error) {
 	select {
-	case _, ok := <-w.ch:
-		if !ok {
-			return nil, nil
-		}
+	case <-w.ch:
 		return w.source.Load()
-	case <-w.closeChan:
-		return nil, nil
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
 	}
 }
 
 func (w *watcher) Stop() error {
 	w.wp.Stop()
-	close(w.closeChan)
+	w.cancel()
 	return nil
 }

contrib/config/etcd/README.md

@@ -4,13 +4,14 @@
 import (
 	"log"
 
-	cfg "github.com/go-kratos/kratos/contrib/config/etcd/v2"
-	"github.com/go-kratos/kratos/v2/config"
 	clientv3 "go.etcd.io/etcd/client/v3"
 	"google.golang.org/grpc"
+
+	cfg "github.com/go-kratos/kratos/contrib/config/etcd/v2"
+	"github.com/go-kratos/kratos/v2/config"
 )
 
-// create a etcd client
+// create an etcd client
 client, err := clientv3.New(clientv3.Config{
     Endpoints:   []string{"127.0.0.1:2379"},
     DialTimeout: time.Second,
@@ -30,12 +31,16 @@ if err != nil {
 c := config.New(config.WithSource(source))
 defer c.Close()
 
+// load sources before get
+if err := c.Load(); err != nil {
+    log.Fatalln(err)
+}
+
 // acquire config value
 foo, err := c.Value("/app-config").String()
 if err != nil {
-    log.Println(err)
+    log.Fatalln(err)
 }
-println(foo)
 
+log.Println(foo)
 ```
-