Apply Code Coverage Badge

* update ci

* update ci

* added commit hash check to avoid unnecessary repository cloning

.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/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

@@ -3,10 +3,10 @@ name: lint
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   lint:
@@ -24,6 +24,6 @@ jobs:
     - name: setup deps
       run: go get -v ./...
     - name: run lint
-      uses: https://github.com/golangci/golangci-lint-action@v6
+      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

@@ -3,15 +3,12 @@ name: test
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
-    - v3
-    - v4
   push:
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   test:

.github/workflows/job_tests.yml

@@ -3,15 +3,12 @@ name: test
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
-    - v3
-    - v4
   push:
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   test:
@@ -35,19 +32,19 @@ jobs:
         go-version: 'stable'
     - name: setup go work
       env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: |
         go work init
         go work use .
         go work use micro-tests
     - name: setup deps
       env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: go get -v ./...
     - name: run tests
       env:
         INTEGRATION_TESTS: yes
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: |
         cd micro-tests
         go test -mod readonly -v ./... || true

.golangci.yml

@@ -1,5 +1,5 @@
 run:
   concurrency: 8
-  deadline: 5m
+  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

@@ -14,11 +14,8 @@ require (
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
-	github.com/spf13/cast v1.7.1 // indirect
 	golang.org/x/sys v0.30.0 // indirect
 	google.golang.org/protobuf v1.36.5 // indirect
 )

go.sum

@@ -1,86 +1,32 @@
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
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-github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
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 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=
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-github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
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 go.unistack.org/micro/v4 v4.1.2 h1:9SOlPYyPNNFpg1A7BsvhDyQm3gysLH1AhWbDCp1hyoY=
 go.unistack.org/micro/v4 v4.1.2/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
-golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
-golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
 golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-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 v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
-google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
 google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

prometheus.go

@@ -5,6 +5,7 @@ import (
 	"hash/fnv"
 	"io"
 	"regexp"
+	"strings"
 	"sync"
 	"time"
 
@@ -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 {
@@ -60,6 +61,15 @@ func newString(v string) *string {
 	return &nv
 }
 
+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,
@@ -69,6 +79,7 @@ func NewMeter(opts ...meter.Option) *prometheusMeter {
 		gauge:        make(map[string]*gauges),
 		histogram:    make(map[string]*histograms),
 		summary:      make(map[string]*summaries),
+		mu:           &sync.Mutex{},
 	}
 }
 
@@ -90,8 +101,8 @@ func (m *prometheusMeter) Name() string {
 }
 
 func (m *prometheusMeter) Counter(name string, labels ...string) meter.Counter {
-	m.Lock()
+	m.mu.Lock()
-	defer m.Unlock()
+	defer m.mu.Unlock()
 	nm := m.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.counter[nm]
@@ -113,8 +124,8 @@ 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.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.floatCounter[nm]
@@ -136,8 +147,8 @@ 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.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.gauge[nm]
@@ -159,8 +170,8 @@ 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.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.histogram[nm]
@@ -182,8 +193,8 @@ 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.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.summary[nm]
@@ -205,8 +216,8 @@ 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.buildMetric(name)
 	labels = append(m.opts.Labels, labels...)
 	cd, ok := m.summary[nm]
@@ -267,9 +278,11 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
 
 	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)),
 		}
@@ -284,7 +297,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.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)),
 		}
@@ -299,7 +312,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.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)),
 		}
@@ -314,7 +327,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.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)),
 		}
@@ -329,7 +342,7 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.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)),
 		}
@@ -342,6 +355,8 @@ func (m *prometheusMeter) Write(w io.Writer, opts ...meter.Option) error {
 		mfs = append(mfs, mf)
 	}
 
+	m.mu.Unlock()
+
 	for _, mf := range mfs {
 		_ = enc.Encode(mf)
 	}
@@ -360,6 +375,7 @@ func (m *prometheusMeter) Clone(opts ...meter.Option) meter.Meter {
 	}
 
 	return &prometheusMeter{
+		mu:           m.mu,
 		set:          m.set,
 		opts:         options,
 		floatCounter: m.floatCounter,

prometheus_test.go

@@ -2,6 +2,7 @@ package prometheus
 
 import (
 	"bytes"
+	"fmt"
 	"testing"
 
 	"go.unistack.org/micro/v4/meter"
@@ -49,3 +50,27 @@ func TestMultiple(t *testing.T) {
 		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)
+	}
+}