Apply Code Coverage Badge

* update ci

* update ci

* added commit hash check to avoid unnecessary repository cloning

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: For reporting bugs in go-micro
+about: For reporting bugs in micro
 title: "[BUG]"
 labels: ''
 assignees: ''
@@ -16,9 +16,3 @@ assignees: ''
 **How to reproduce the bug:**
 
 If possible, please include a minimal code snippet here.
-
-**Environment:**
-Go Version: please paste `go version` output here
-```
-please paste `go env` output here
-```

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

@@ -1,6 +1,6 @@
 ---
 name: Feature request / Enhancement
-about: If you have a need not served by go-micro
+about: If you have a need not served by micro
 title: "[FEATURE]"
 labels: ''
 assignees: ''
@@ -14,4 +14,4 @@ A clear and concise description of what the problem is. Ex. I'm always frustrate
 A clear and concise description of what you want to happen.
 
 **Additional context**
-Add any other context or screenshots about the feature request here.
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -1,14 +1,8 @@
 ---
 name: Question
-about: Ask a question about go-micro
+about: Ask a question about micro
 title: ''
 labels: ''
 assignees: ''
 
----
+---
-
-Before asking, please check if your question has already been answered: 
-
-1. Check the documentation - https://micro.mu/docs/
-2. Check the examples and plugins - https://github.com/micro/examples & https://github.com/micro/go-plugins
-3. Search existing issues

.github/autoapprove.yml

@@ -0,0 +1,28 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        run: [ "curl -o tea https://dl.gitea.com/tea/main/tea-main-linux-amd64",
+               "chmod +x ./tea",
+               "./tea login add --name unistack --token ${{ secrets.GITHUB_TOKEN }} --url https://git.unistack.org",
+               "./tea pr --repo ${{ github.event.repository.name }}"
+        ]
+        if: github.actor == 'vtolstov'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/dependabot.yml

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

.github/workflows/autoapprove.yml

@@ -1,20 +0,0 @@
-name: "autoapprove"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  autoapprove:
-    runs-on: ubuntu-latest
-    steps:
-      - name: approve
-        uses: hmarr/auto-approve-action@v3
-        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
-        id: approve
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -1,21 +0,0 @@
-name: "automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'vtolstov'
-    steps:
-      - name: merge
-        id: merge
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -1,47 +0,0 @@
-name: build
-on:
- push:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v3
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
-        continue-on-error: true
-        with:
-          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.github/workflows/codeql-analysis.yml

@@ -1,78 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "codeql"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-  push:
-    branches: [ master, v3 ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master, v3 ]
-  schedule:
-    - cron: '34 1 * * 0'
-
-jobs:
-  analyze:
-    name: analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
-
-    steps:
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    # Initializes the CodeQL tools for scanning.
-    - name: init
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-        # If you wish to specify custom queries, you can do so here or in a config file.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
-    # If this step fails, then you should remove it and run the build manually (see below)
-    - name: autobuild
-      uses: github/codeql-action/autobuild@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: analyze
-      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,27 +0,0 @@
-name: "dependabot-automerge"
-
-on:
-  pull_request_target:
-    types: [assigned, opened, synchronize, reopened]
-
-permissions:
-  pull-requests: write
-  contents: write
-
-jobs:
-  automerge:
-    runs-on: ubuntu-latest
-    if: github.actor == 'dependabot[bot]'
-    steps:
-      - name: metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v1.3.6
-        with:
-          github-token: "${{ secrets.TOKEN }}"
-      - name: merge
-        id: merge
-        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
-        run: gh pr merge --auto --merge "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/job_coverage.yml

@@ -0,0 +1,53 @@
+name: coverage
+
+on:
+  push:
+    branches: [ main, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+  pull_request:
+    branches: [ main, v3, v4 ]
+
+jobs:
+
+  build:
+    if: github.server_url != 'https://github.com'
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+
+    - name: test coverage
+      run: |
+        go test -v -cover ./... -covermode=count -coverprofile coverage.out -coverpkg ./...
+        go tool cover -func coverage.out -o coverage.out
+
+    - name: coverage badge
+      uses: tj-actions/coverage-badge-go@v2
+      with:
+        green: 80
+        filename: coverage.out
+
+    - uses: stefanzweifel/git-auto-commit-action@v4
+      name: autocommit
+      with:
+        commit_message: Apply Code Coverage Badge
+        skip_fetch: false
+        skip_checkout: false
+        file_pattern: ./README.md
+
+    - name: push
+      if: steps.auto-commit-action.outputs.changes_detected == 'true'
+      uses: ad-m/github-push-action@master
+      with:
+        github_token: ${{ github.token }}
+        branch: ${{ github.ref }}

.github/workflows/job_lint.yml

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

.github/workflows/job_sync.yml

@@ -0,0 +1,94 @@
+name: sync
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  sync:
+    if: github.server_url != 'https://github.com'
+    runs-on: ubuntu-latest
+    steps:
+    - name: init
+      run: |
+        git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
+        git config --global user.name "github-actions[bot]"
+        echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
+        echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc
+
+    - name: check master
+      id: check_master
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync master
+      if: steps.check_master.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream master
+        git push upstream master --progress
+        git push origin master --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v3
+      id: check_v3
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v3
+      if: steps.check_v3.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v3
+        git push upstream v3 --progress
+        git push origin v3 --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v4
+      id: check_v4
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v4
+      if: steps.check_v4.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v4
+        git push upstream v4 --progress
+        git push origin v4 --progress
+        cd ../
+        rm -rf repo

.github/workflows/job_test.yml

@@ -0,0 +1,31 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches: [ master, v3, v4 ]
+  push:
+    branches: [ master, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup deps
+      run: go get -v ./...
+    - name: run test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...

.github/workflows/job_tests.yml

@@ -0,0 +1,50 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches: [ master, v3, v4 ]
+  push:
+    branches: [ master, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: checkout tests
+      uses: actions/checkout@v4
+      with:
+        ref: master
+        filter: 'blob:none'
+        repository: unistack-org/micro-tests
+        path: micro-tests
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup go work
+      env:
+        GOWORK: ${{ github.workspace }}/go.work
+      run: |
+        go work init
+        go work use .
+        go work use micro-tests
+    - name: setup deps
+      env:
+        GOWORK: ${{ github.workspace }}/go.work
+      run: go get -v ./...
+    - name: run tests
+      env:
+        INTEGRATION_TESTS: yes
+        GOWORK: ${{ github.workspace }}/go.work
+      run: |
+        cd micro-tests
+        go test -mod readonly -v ./... || true

.github/workflows/pr.yml

@@ -1,47 +0,0 @@
-name: prbuild
-on:
-  pull_request:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v3
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        uses: golangci/golangci-lint-action@v3.4.0
-        continue-on-error: true
-        with:
-          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.golangci.yml

@@ -0,0 +1,5 @@
+run:
+  concurrency: 8
+  timeout: 5m
+  issues-exit-code: 1
+  tests: true

README.md

@@ -0,0 +1,2 @@
+# micro-meter-prometheus
+![Coverage](https://img.shields.io/badge/Coverage-32.6%25-yellow)

go.mod

@@ -1,20 +1,21 @@
 module go.unistack.org/micro-meter-prometheus/v4
 
-go 1.20
+go 1.22.0
+
+toolchain go1.24.0
 
 require (
-	github.com/prometheus/client_golang v1.16.0
+	github.com/prometheus/client_golang v1.21.0
-	github.com/prometheus/client_model v0.4.0
+	github.com/prometheus/client_model v0.6.1
-	github.com/prometheus/common v0.44.0
+	github.com/prometheus/common v0.62.0
-	go.unistack.org/micro/v4 v4.0.7
+	go.unistack.org/micro/v4 v4.1.2
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
-	github.com/prometheus/procfs v0.11.1 // indirect
+	golang.org/x/sys v0.30.0 // indirect
-	golang.org/x/sys v0.11.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
 )

go.sum

@@ -1,50 +1,32 @@
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
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-github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
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-github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
+github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
-github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
+github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
-github.com/matttproud/golang_protobuf_extensions v1.0.4 h1:mmDVorXM7PCGKw94cs5zkfA9PSy5pEvNWRP0ET0TIVo=
+github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
-github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfrANrmjBb36TMTDstsz7MSK+HVaYKv4=
+github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
-github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
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-github.com/prometheus/client_golang v1.14.0/go.mod h1:8vpkKitgIVNcqrRBWh1C4TIUQgYNtG/XQE4E/Zae36Y=
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-github.com/prometheus/client_golang v1.16.0 h1:yk/hx9hDbrGHovbci4BY+pRMfSuuat626eFsHb7tmT8=
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-github.com/prometheus/client_golang v1.16.0/go.mod h1:Zsulrv/L9oM40tJ7T815tM89lFEugiJ9HzIqaAx4LKc=
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-github.com/prometheus/client_model v0.3.0 h1:UBgGFHqYdG/TPFD1B1ogZywDqEkwp3fBMvqdiQ7Xew4=
+go.unistack.org/micro/v4 v4.1.2/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
-github.com/prometheus/client_model v0.3.0/go.mod h1:LDGWKZIo7rky3hgvBe+caln+Dr3dPggB5dvjtD7w9+w=
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prometheus.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"hash/fnv"
 	"io"
+	"regexp"
+	"strings"
 	"sync"
 	"time"
 
@@ -12,7 +14,6 @@ import (
 	dto "github.com/prometheus/client_model/go"
 	"github.com/prometheus/common/expfmt"
 	"go.unistack.org/micro/v4/meter"
-	"go.unistack.org/micro/v4/options"
 )
 
 var _ meter.Meter = &prometheusMeter{}
@@ -25,7 +26,7 @@ type prometheusMeter struct {
 	gauge        map[string]*gauges
 	histogram    map[string]*histograms
 	summary      map[string]*summaries
-	sync.Mutex
+	mu           *sync.Mutex
 }
 
 type counters struct {
@@ -48,17 +49,28 @@ type floatCounters struct {
 	cs map[uint64]*prometheusFloatCounter
 }
 
+/*
 func newFloat64(v float64) *float64 {
 	nv := v
 	return &nv
 }
+*/
 
 func newString(v string) *string {
 	nv := v
 	return &nv
 }
 
-func NewMeter(opts ...options.Option) *prometheusMeter {
+func newName(name string) *string {
+	idx := strings.Index(name, "{")
+	if idx <= 0 {
+		return newString(name)
+	}
+
+	return newString(name[:idx])
+}
+
+func NewMeter(opts ...meter.Option) *prometheusMeter {
 	return &prometheusMeter{
 		set:          prometheus.NewRegistry(), // prometheus.DefaultRegisterer,
 		opts:         meter.NewOptions(opts...),
@@ -67,14 +79,11 @@ func NewMeter(opts ...options.Option) *prometheusMeter {
 		gauge:        make(map[string]*gauges),
 		histogram:    make(map[string]*histograms),
 		summary:      make(map[string]*summaries),
+		mu:           &sync.Mutex{},
 	}
 }
 
 func (m *prometheusMeter) buildMetric(name string, labels ...string) string {
-	if len(m.opts.MetricPrefix) > 0 {
-		name = m.opts.MetricPrefix + name
-	}
-
 	nl := len(m.opts.Labels) + len(labels)
 	if nl == 0 {
 		return name
@@ -84,47 +93,18 @@ func (m *prometheusMeter) buildMetric(name string, labels ...string) string {
 	nlabels = append(nlabels, m.opts.Labels...)
 	nlabels = append(nlabels, labels...)
 
-	if len(m.opts.LabelPrefix) == 0 {
-		return meter.BuildName(name, nlabels...)
-	}
-
-	for idx := 0; idx < nl; idx += 2 {
-		nlabels[idx] = m.opts.LabelPrefix + nlabels[idx]
-	}
 	return meter.BuildName(name, nlabels...)
 }
 
-func (m *prometheusMeter) buildName(name string) string {
-	if len(m.opts.MetricPrefix) > 0 {
-		name = m.opts.MetricPrefix + name
-	}
-	return name
-}
-
-func (m *prometheusMeter) buildLabels(labels ...string) []string {
-	nl := len(labels)
-	if nl == 0 {
-		return nil
-	}
-
-	nlabels := make([]string, 0, nl)
-
-	for idx := 0; idx < nl; idx += 2 {
-		nlabels = append(nlabels, m.opts.LabelPrefix+labels[idx])
-		nlabels = append(nlabels, labels[idx+1])
-	}
-	return nlabels
-}
-
 func (m *prometheusMeter) Name() string {
 	return m.opts.Name
 }
 
 func (m *prometheusMeter) Counter(name string, labels ...string) meter.Counter {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.counter[nm]
 	h := newHash(labels)
 	if !ok {
@@ -144,10 +124,10 @@ func (m *prometheusMeter) Counter(name string, labels ...string) meter.Counter {
 }
 
 func (m *prometheusMeter) FloatCounter(name string, labels ...string) meter.FloatCounter {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.floatCounter[nm]
 	h := newHash(labels)
 	if !ok {
@@ -167,10 +147,10 @@ func (m *prometheusMeter) FloatCounter(name string, labels ...string) meter.Floa
 }
 
 func (m *prometheusMeter) Gauge(name string, fn func() float64, labels ...string) meter.Gauge {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.gauge[nm]
 	h := newHash(labels)
 	if !ok {
@@ -190,10 +170,10 @@ func (m *prometheusMeter) Gauge(name string, fn func() float64, labels ...string
 }
 
 func (m *prometheusMeter) Histogram(name string, labels ...string) meter.Histogram {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.histogram[nm]
 	h := newHash(labels)
 	if !ok {
@@ -213,10 +193,10 @@ func (m *prometheusMeter) Histogram(name string, labels ...string) meter.Histogr
 }
 
 func (m *prometheusMeter) Summary(name string, labels ...string) meter.Summary {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.summary[nm]
 	h := newHash(labels)
 	if !ok {
@@ -236,10 +216,10 @@ func (m *prometheusMeter) Summary(name string, labels ...string) meter.Summary {
 }
 
 func (m *prometheusMeter) SummaryExt(name string, window time.Duration, quantiles []float64, labels ...string) meter.Summary {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
-	nm := m.buildName(name)
+	nm := m.buildMetric(name)
-	labels = m.buildLabels(append(m.opts.Labels, labels...)...)
+	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.summary[nm]
 	h := newHash(labels)
 	if !ok {
@@ -266,22 +246,24 @@ func (m *prometheusMeter) SummaryExt(name string, window time.Duration, quantile
 	return c
 }
 
-func (m *prometheusMeter) Init(opts ...options.Option) error {
+func (m *prometheusMeter) Init(opts ...meter.Option) error {
 	for _, o := range opts {
 		o(&m.opts)
 	}
 	return nil
 }
 
-func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
+func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
 	options := m.opts
 	for _, o := range opts {
 		o(&options)
 	}
 
 	if options.WriteProcessMetrics || options.WriteFDMetrics {
-		c := collectors.NewProcessCollector(collectors.ProcessCollectorOpts{})
+		pc := collectors.NewProcessCollector(collectors.ProcessCollectorOpts{})
-		_ = m.set.Register(c)
+		_ = m.set.Register(pc)
+		gc := collectors.NewGoCollector(collectors.WithGoCollectorRuntimeMetrics(collectors.GoRuntimeMetricsRule{Matcher: regexp.MustCompile("/.*")}))
+		_ = m.set.Register(gc)
 	}
 
 	g, ok := m.set.(prometheus.Gatherer)
@@ -294,11 +276,13 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 		return err
 	}
 
-	enc := expfmt.NewEncoder(w, expfmt.FmtText)
+	enc := expfmt.NewEncoder(w, expfmt.NewFormat(expfmt.TypeTextPlain))
+
+	m.mu.Lock()
 
 	for name, metrics := range m.counter {
 		mf := &dto.MetricFamily{
-			Name:   newString(name),
+			Name:   newName(name),
 			Type:   dto.MetricType_GAUGE.Enum(),
 			Metric: make([]*dto.Metric, 0, len(metrics.cs)),
 		}
@@ -313,7 +297,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 
 	for name, metrics := range m.gauge {
 		mf := &dto.MetricFamily{
-			Name:   newString(name),
+			Name:   newName(name),
 			Type:   dto.MetricType_GAUGE.Enum(),
 			Metric: make([]*dto.Metric, 0, len(metrics.cs)),
 		}
@@ -328,7 +312,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 
 	for name, metrics := range m.floatCounter {
 		mf := &dto.MetricFamily{
-			Name:   newString(name),
+			Name:   newName(name),
 			Type:   dto.MetricType_GAUGE.Enum(),
 			Metric: make([]*dto.Metric, 0, len(metrics.cs)),
 		}
@@ -343,7 +327,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 
 	for name, metrics := range m.histogram {
 		mf := &dto.MetricFamily{
-			Name:   newString(name),
+			Name:   newName(name),
 			Type:   dto.MetricType_HISTOGRAM.Enum(),
 			Metric: make([]*dto.Metric, 0, len(metrics.cs)),
 		}
@@ -358,7 +342,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 
 	for name, metrics := range m.summary {
 		mf := &dto.MetricFamily{
-			Name:   newString(name),
+			Name:   newName(name),
 			Type:   dto.MetricType_SUMMARY.Enum(),
 			Metric: make([]*dto.Metric, 0, len(metrics.cs)),
 		}
@@ -371,6 +355,8 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 		mfs = append(mfs, mf)
 	}
 
+	m.mu.Unlock()
+
 	for _, mf := range mfs {
 		_ = enc.Encode(mf)
 	}
@@ -382,13 +368,14 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...options.Option) error {
 	return nil
 }
 
-func (m *prometheusMeter) Clone(opts ...options.Option) meter.Meter {
+func (m *prometheusMeter) Clone(opts ...meter.Option) meter.Meter {
 	options := m.opts
 	for _, o := range opts {
 		o(&options)
 	}
 
 	return &prometheusMeter{
+		mu:           m.mu,
 		set:          m.set,
 		opts:         options,
 		floatCounter: m.floatCounter,
@@ -407,7 +394,7 @@ func (m *prometheusMeter) String() string {
 	return "prometheus"
 }
 
-func (m *prometheusMeter) Set(opts ...options.Option) meter.Meter {
+func (m *prometheusMeter) Set(opts ...meter.Option) meter.Meter {
 	nm := &prometheusMeter{opts: m.opts}
 	for _, o := range opts {
 		o(&nm.opts)
@@ -513,7 +500,6 @@ func (c prometheusSummary) UpdateDuration(n time.Time) {
 }
 
 func newHash(labels []string) uint64 {
-	labels = meter.BuildLabels(labels...)
 	h := fnv.New64a()
 	for _, l := range labels {
 		h.Write([]byte(l))

prometheus_test.go

@@ -2,19 +2,28 @@ package prometheus
 
 import (
 	"bytes"
-	"context"
+	"fmt"
 	"testing"
 
-	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v4/codec"
 	"go.unistack.org/micro/v4/meter"
-	"go.unistack.org/micro/v4/meter/wrapper"
 )
 
+func TestStd(t *testing.T) {
+	m := NewMeter(meter.WriteProcessMetrics(true), meter.WriteFDMetrics(true))
+	if err := m.Init(); err != nil {
+		t.Fatal(err)
+	}
+	buf := bytes.NewBuffer(nil)
+	_ = m.Write(buf)
+	if !bytes.Contains(buf.Bytes(), []byte(`go_goroutine`)) {
+		t.Fatalf("invalid metrics output: %s", buf.Bytes())
+	}
+}
+
 func TestBuildName(t *testing.T) {
 	m := NewMeter()
-	check := `micro_foo{micro_aaa="b",micro_bar="baz",micro_ccc="d"}`
+	check := `micro_foo{aaa="b",bar="baz",ccc="d"}`
-	name := m.buildMetric("foo", "bar", "baz", "aaa", "b", "ccc", "d")
+	name := m.buildMetric("micro_foo", "bar", "baz", "aaa", "b", "ccc", "d")
 	if name != check {
 		t.Fatalf("metric name error: %s != %s", name, check)
 	}
@@ -23,48 +32,45 @@ func TestBuildName(t *testing.T) {
 	cnt.Inc()
 }
 
-func TestWrapper(t *testing.T) {
-	m := NewMeter() // meter.Labels("test_key", "test_val"))
-
-	w := wrapper.NewClientWrapper(
-		wrapper.ServiceName("svc1"),
-		wrapper.ServiceVersion("0.0.1"),
-		wrapper.ServiceID("12345"),
-		wrapper.Meter(m),
-	)
-
-	ctx := context.Background()
-
-	c := client.NewClient(client.Wrap(w))
-	if err := c.Init(); err != nil {
-		t.Fatal(err)
-	}
-	rsp := &codec.Frame{}
-	req := &codec.Frame{}
-	err := c.Call(ctx, c.NewRequest("svc2", "Service.Method", req), rsp)
-	_, _ = rsp, err
-	buf := bytes.NewBuffer(nil)
-	_ = m.Write(buf, meter.WriteProcessMetrics(false), meter.WriteFDMetrics(false))
-	if !bytes.Contains(buf.Bytes(), []byte(`micro_client_request_inflight{micro_endpoint="svc2.Service.Method"} 0`)) {
-		t.Fatalf("invalid metrics output: %s", buf.Bytes())
-	}
-}
-
 func TestMultiple(t *testing.T) {
 	m := NewMeter() // meter.Labels("test_key", "test_val"))
 
-	m.Counter("server", "endpoint", "ep1", "path", "/path1").Inc()
+	m.Counter("micro_server", "endpoint", "ep1", "path", "/path1").Inc()
-	m.Counter("server", "endpoint", "ep1", "path", "/path1").Inc()
+	m.Counter("micro_server", "endpoint", "ep1", "path", "/path1").Inc()
 
-	m.Counter("server", "endpoint", "ep2", "path", "/path2").Inc()
+	m.Counter("micro_server", "endpoint", "ep2", "path", "/path2").Inc()
-	m.Counter("server", "endpoint", "ep2", "path", "/path2").Inc()
+	m.Counter("micro_server", "endpoint", "ep2", "path", "/path2").Inc()
 
-	m.Counter("server", "endpoint", "ep3", "path", "/path3", "status", "success").Inc()
+	m.Counter("micro_server", "endpoint", "ep3", "path", "/path3", "status", "success").Inc()
 
 	buf := bytes.NewBuffer(nil)
 	_ = m.Write(buf, meter.WriteProcessMetrics(false), meter.WriteFDMetrics(false))
-	if !bytes.Contains(buf.Bytes(), []byte(`micro_server{micro_endpoint="ep1",micro_path="/path1"} 2`)) {
+	if !bytes.Contains(buf.Bytes(), []byte(`micro_server{endpoint="ep1",path="/path1"} 2`)) {
 		// t.Fatal("XXXX")
 		t.Fatalf("invalid metrics output: %s", buf.Bytes())
 	}
 }
+
+func TestCounterSet(t *testing.T) {
+	m := NewMeter()
+
+	value := uint64(42)
+
+	m.Counter("forte_accounts_total", "channel_code", "crm").Set(value)
+
+	fmt.Println(uint64(float64(value)))
+
+	buf := bytes.NewBuffer(nil)
+
+	_ = m.Write(buf)
+
+	output := buf.String()
+
+	fmt.Println(output)
+
+	expectedOutput := fmt.Sprintf(`%s{channel_code="crm"} %d`, "forte_accounts_total", value)
+
+	if !bytes.Contains(buf.Bytes(), []byte(expectedOutput)) {
+		t.Fatalf("invalid metrics output: expected %q, got %q", expectedOutput, output)
+	}
+}