Merge pull request 'move from v4 enabled tracer' (#50) from devstigneev/micro-tracer-opentracing:v3 into v3

Reviewed-on: #50

.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@v3.3.1
-        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@v1.3.5
-        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_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@v3.3.1
-        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

.gitignore

@@ -13,3 +13,4 @@
 
 # Dependency directories (remove the comment below to include it)
 # vendor/
+.idea

.golangci.yml

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

README.md

@@ -1 +1,2 @@
 # micro-tracer-opentracing
+![Coverage](https://img.shields.io/badge/Coverage-37.0%25-yellow)

go.mod

@@ -1,9 +1,17 @@
 module go.unistack.org/micro-tracer-opentracing/v3
 
-go 1.16
+go 1.22.0
+
+toolchain go1.23.4
 
 require (
 	github.com/opentracing/opentracing-go v1.2.0
-	go.unistack.org/micro/v3 v3.10.0
+	go.opentelemetry.io/otel v1.35.0
-	gopkg.in/yaml.v2 v2.4.0 // indirect
+	go.unistack.org/micro/v3 v3.11.44
+)
+
+require (
+	github.com/ash3in/uuidv8 v1.2.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/matoous/go-nanoid v1.5.1 // indirect
 )

go.sum

@@ -1,156 +1,28 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0/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=

opentracing.go

@@ -2,146 +2,390 @@ package opentracing
 
 import (
 	"context"
+	"errors"
+	"strings"
 
-	"github.com/opentracing/opentracing-go"
+	ot "github.com/opentracing/opentracing-go"
-	"github.com/opentracing/opentracing-go/log"
+	otlog "github.com/opentracing/opentracing-go/log"
+	"go.opentelemetry.io/otel/attribute"
 	"go.unistack.org/micro/v3/metadata"
 	"go.unistack.org/micro/v3/tracer"
 )
 
-var _ tracer.Tracer = &opentracingTracer{}
+var _ tracer.Tracer = &otTracer{}
 
-type opentracingTracer struct {
+type otTracer struct {
 	opts   tracer.Options
-	tracer opentracing.Tracer
+	tracer ot.Tracer
 }
 
-func (ot *opentracingTracer) Name() string {
+func (t *otTracer) Name() string {
-	return ot.opts.Name
+	return t.opts.Name
 }
 
-func (ot *opentracingTracer) Init(opts ...tracer.Option) error {
+func (t *otTracer) Flush(ctx context.Context) error {
-	ot.opts = tracer.NewOptions(opts...)
 	return nil
 }
 
-func (ot *opentracingTracer) Start(ctx context.Context, name string, opts ...tracer.SpanOption) (context.Context, tracer.Span) {
+func (t *otTracer) Init(opts ...tracer.Option) error {
-	ctx, span, _ := StartSpanFromIncomingContext(ctx, ot.tracer, name)
+	for _, o := range opts {
-	return ctx, &opentracingSpan{span: span}
+		o(&t.opts)
 	}
 
-type opentracingSpan struct {
+	if tr, ok := t.opts.Context.Value(tracerKey{}).(ot.Tracer); ok {
-	span   opentracing.Span
+		t.tracer = tr
+	} else {
+		return errors.New("Tracer option missing")
+	}
+
+	return nil
+}
+
+type otSpanContext interface {
+	TraceID() idStringer
+	SpanID() idStringer
+}
+
+func (t *otTracer) Start(ctx context.Context, name string, opts ...tracer.SpanOption) (context.Context, tracer.Span) {
+	options := tracer.NewSpanOptions(opts...)
+
+	if len(options.Labels)%2 != 0 {
+		options.Labels = options.Labels[:len(options.Labels)-1]
+	}
+
+	for _, fn := range t.opts.ContextAttrFuncs {
+		options.Labels = append(options.Labels, fn(ctx)...)
+	}
+
+	var span ot.Span
+	switch options.Kind {
+	case tracer.SpanKindUnspecified:
+		ctx, span = t.startSpanFromAny(ctx, name)
+	case tracer.SpanKindInternal:
+		ctx, span = t.startSpanFromContext(ctx, name)
+	case tracer.SpanKindClient, tracer.SpanKindProducer:
+		ctx, span = t.startSpanFromOutgoingContext(ctx, name)
+	case tracer.SpanKindServer, tracer.SpanKindConsumer:
+		ctx, span = t.startSpanFromIncomingContext(ctx, name)
+	}
+
+	sp := &otSpan{span: span, opts: options}
+
+	spctx := span.Context()
+
+	var traceID, spanID, parentID string
+
+	if v, ok := spctx.(otSpanContext); ok {
+		traceID = v.TraceID().String()
+		spanID = v.SpanID().String()
+	} else {
+		carrier := make(map[string]string, 1)
+		_ = span.Tracer().Inject(spctx, ot.TextMap, ot.TextMapCarrier(carrier))
+		for k, v := range carrier {
+			switch k {
+			case "mockpfx-ids-sampled":
+				continue
+			case "mockpfx-ids-spanid":
+				spanID = v
+			case "mockpfx-ids-traceid":
+				traceID = v
+			default: // reasonable default
+				p := strings.Split(v, ":")
+				traceID = p[0]
+				spanID = p[1]
+				parentID = p[2]
+			case "uber-trace-id": // jaeger trace span
+				p := strings.Split(v, ":")
+				traceID = p[0]
+				spanID = p[1]
+				parentID = p[2]
+			}
+		}
+	}
+
+	sp.traceID = traceID
+	sp.spanID = spanID
+	sp.parentID = parentID
+
+	return tracer.NewSpanContext(ctx, sp), sp
+}
+
+type idStringer struct {
+	s string
+}
+
+func (s idStringer) String() string {
+	return s.s
+}
+
+type otSpan struct {
+	span      ot.Span
+	spanID    string
+	traceID   string
+	parentID  string
+	opts      tracer.SpanOptions
+	status    tracer.SpanStatus
+	statusMsg string
 	labels    []interface{}
+	finished  bool
 }
 
-func (os *opentracingSpan) Tracer() tracer.Tracer {
+func (os *otSpan) TraceID() string {
-	return &opentracingTracer{tracer: os.span.Tracer()}
+	return os.traceID
 }
 
-func (os *opentracingSpan) Finish(opts ...tracer.SpanOption) {
+func (os *otSpan) SpanID() string {
-	if len(os.labels) > 0 {
+	return os.spanID
-		os.span.LogKV(os.labels...)
 }
+
+func (os *otSpan) ParentID() string {
+	return os.parentID
+}
+
+func (os *otSpan) IsRecording() bool {
+	return true
+}
+
+func (os *otSpan) SetStatus(st tracer.SpanStatus, msg string) {
+	os.status = st
+	os.statusMsg = msg
+}
+
+func (os *otSpan) Status() (tracer.SpanStatus, string) {
+	return os.status, os.statusMsg
+}
+
+func (os *otSpan) Tracer() tracer.Tracer {
+	return &otTracer{tracer: os.span.Tracer()}
+}
+
+func (os *otSpan) Finish(opts ...tracer.SpanOption) {
+	if os.finished {
+		return
+	}
+
+	options := os.opts
+
+	options.Status = os.status
+	options.StatusMsg = os.statusMsg
+	options.Labels = append(options.Labels, os.labels...)
+
+	for _, o := range opts {
+		o(&options)
+	}
+
+	if !options.Record {
+		return
+	}
+
+	if len(options.Labels)%2 != 0 {
+		options.Labels = options.Labels[:len(options.Labels)-1]
+	}
+
+	// options.Labels = sort.Uniq(options.Labels)
+
+	l := len(options.Labels)
+	for idx := 0; idx < l; idx++ {
+		switch lt := options.Labels[idx].(type) {
+		case attribute.KeyValue:
+			os.span.SetTag(string(lt.Key), lt.Value.AsInterface())
+		case string:
+			if l > idx+1 {
+				os.span.SetTag(lt, options.Labels[idx+1])
+				idx++
+			}
+		}
+	}
+
+	if options.Status == tracer.SpanStatusError {
+		os.span.SetTag("error", true)
+		os.span.LogKV("error", options.StatusMsg)
+	}
+
+	os.span.SetTag("span.kind", options.Kind)
 	os.span.Finish()
+
+	os.finished = true
 }
 
-func (os *opentracingSpan) AddEvent(name string, opts ...tracer.EventOption) {
+func (os *otSpan) AddEvent(name string, opts ...tracer.EventOption) {
-	os.span.LogFields(log.Event(name))
+	os.span.LogFields(otlog.Event(name))
 }
 
-func (os *opentracingSpan) Context() context.Context {
+func (os *otSpan) AddLogs(kv ...interface{}) {
-	return tracer.NewSpanContext(context.Background(), os)
+	os.span.LogKV(kv...)
 }
 
-func (os *opentracingSpan) SetName(name string) {
+func (os *otSpan) Context() context.Context {
+	return ot.ContextWithSpan(context.Background(), os.span)
+}
+
+func (os *otSpan) SetName(name string) {
 	os.span = os.span.SetOperationName(name)
 }
 
-func (os *opentracingSpan) SetLabels(labels ...interface{}) {
+func (os *otSpan) SetLabels(labels ...interface{}) {
-	os.labels = labels
+	os.opts.Labels = labels
 }
 
-func (os *opentracingSpan) AddLabels(labels ...interface{}) {
+func (os *otSpan) Kind() tracer.SpanKind {
+	return os.opts.Kind
+}
+
+func (os *otSpan) AddLabels(labels ...interface{}) {
 	os.labels = append(os.labels, labels...)
 }
 
-func NewTracer(opts ...tracer.Option) *opentracingTracer {
+func NewTracer(opts ...tracer.Option) *otTracer {
 	options := tracer.NewOptions(opts...)
-	return &opentracingTracer{opts: options}
+	return &otTracer{opts: options}
 }
 
-func spanFromContext(ctx context.Context) opentracing.Span {
+func (t *otTracer) startSpanFromAny(ctx context.Context, name string, opts ...ot.StartSpanOption) (context.Context, ot.Span) {
-	return opentracing.SpanFromContext(ctx)
+	if tracerSpan, ok := tracer.SpanFromContext(ctx); ok && tracerSpan != nil {
+		return t.startSpanFromContext(ctx, name, opts...)
 	}
 
-// StartSpanFromOutgoingContext returns a new span with the given operation name and options. If a span
+	if otSpan := ot.SpanFromContext(ctx); otSpan != nil {
-// is found in the context, it will be used as the parent of the resulting span.
+		return t.startSpanFromContext(ctx, name, opts...)
-func StartSpanFromOutgoingContext(ctx context.Context, tracer opentracing.Tracer, name string, opts ...opentracing.StartSpanOption) (context.Context, opentracing.Span, error) {
+	}
-	var parentCtx opentracing.SpanContext
 
-	md, ok := metadata.FromIncomingContext(ctx)
+	if md, ok := metadata.FromIncomingContext(ctx); ok && md != nil {
-	// Find parent span.
+		return t.startSpanFromIncomingContext(ctx, name, opts...)
-	if parentSpan := opentracing.SpanFromContext(ctx); parentSpan != nil {
+	}
-		// First try to get span within current service boundary.
+
-		parentCtx = parentSpan.Context()
+	if md, ok := metadata.FromOutgoingContext(ctx); ok && md != nil {
-	} else if spanCtx, err := tracer.Extract(opentracing.TextMap, opentracing.TextMapCarrier(md)); err == nil && ok {
+		return t.startSpanFromOutgoingContext(ctx, name, opts...)
-		// If there doesn't exist, try to get it from metadata(which is cross boundary)
+	}
+
+	return t.startSpanFromContext(ctx, name, opts...)
+}
+
+func (t *otTracer) Enabled() bool {
+	return t.opts.Enabled
+}
+
+func (t *otTracer) startSpanFromContext(ctx context.Context, name string, opts ...ot.StartSpanOption) (context.Context, ot.Span) {
+	var parentSpan ot.Span
+	if tracerSpan, ok := tracer.SpanFromContext(ctx); ok && tracerSpan != nil {
+		if sp, ok := tracerSpan.(*otSpan); ok {
+			parentSpan = sp.span
+		}
+	}
+	if parentSpan == nil {
+		if otSpan := ot.SpanFromContext(ctx); otSpan != nil {
+			parentSpan = otSpan
+		}
+	}
+
+	if parentSpan != nil {
+		opts = append(opts, ot.ChildOf(parentSpan.Context()))
+	}
+
+	md := make(map[string]string, 1)
+
+	sp := t.tracer.StartSpan(name, opts...)
+	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(md)); err != nil {
+		return nil, nil
+	}
+
+	ctx = ot.ContextWithSpan(ctx, sp)
+
+	return ctx, sp
+}
+
+func (t *otTracer) startSpanFromOutgoingContext(ctx context.Context, name string, opts ...ot.StartSpanOption) (context.Context, ot.Span) {
+	var parentSpan ot.Span
+	if tracerSpan, ok := tracer.SpanFromContext(ctx); ok && tracerSpan != nil {
+		if sp, ok := tracerSpan.(*otSpan); ok {
+			parentSpan = sp.span
+		}
+	}
+	if parentSpan == nil {
+		if otSpan := ot.SpanFromContext(ctx); otSpan != nil {
+			parentSpan = otSpan
+		}
+	}
+
+	md, ok := metadata.FromOutgoingContext(ctx)
+
+	if parentSpan != nil {
+		opts = append(opts, ot.ChildOf(parentSpan.Context()))
+	} else {
+		var parentCtx ot.SpanContext
+
+		if ok && md != nil {
+			smd := make(map[string]string, 1)
+			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(smd)); err == nil && ok {
 				parentCtx = spanCtx
 			}
+		}
 
 		if parentCtx != nil {
-		opts = append(opts, opentracing.ChildOf(parentCtx))
+			opts = append(opts, ot.ChildOf(parentCtx))
+		}
 	}
 
 	nmd := metadata.Copy(md)
+	smd := make(map[string]string, 1)
 
-	sp := tracer.StartSpan(name, opts...)
+	sp := t.tracer.StartSpan(name, opts...)
-	if err := sp.Tracer().Inject(sp.Context(), opentracing.TextMap, opentracing.TextMapCarrier(nmd)); err != nil {
+	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {
-		return nil, nil, err
+		return nil, nil
 	}
-
+	for k, v := range smd {
-	ctx = metadata.NewOutgoingContext(opentracing.ContextWithSpan(ctx, sp), nmd)
-
-	return ctx, sp, nil
-}
-
-// StartSpanFromIncomingContext returns a new span with the given operation name and options. If a span
-// is found in the context, it will be used as the parent of the resulting span.
-func StartSpanFromIncomingContext(ctx context.Context, tracer opentracing.Tracer, name string, opts ...opentracing.StartSpanOption) (context.Context, opentracing.Span, error) {
-	var parentCtx opentracing.SpanContext
-
-	// Find parent span.
-	md, ok := metadata.FromIncomingContext(ctx)
-	if parentSpan := opentracing.SpanFromContext(ctx); parentSpan != nil {
-		// First try to get span within current service boundary.
-		parentCtx = parentSpan.Context()
-	} else if spanCtx, err := tracer.Extract(opentracing.TextMap, opentracing.TextMapCarrier(md)); err == nil && ok {
-		// If there doesn't exist, try to get it from metadata(which is cross boundary)
-		parentCtx = spanCtx
-	}
-
-	if parentCtx != nil {
-		opts = append(opts, opentracing.ChildOf(parentCtx))
-	}
-
-	var nmd metadata.Metadata
-	if ok {
-		nmd = metadata.New(len(md))
-	} else {
-		nmd = metadata.New(0)
-	}
-
-	sp := tracer.StartSpan(name, opts...)
-	if err := sp.Tracer().Inject(sp.Context(), opentracing.TextMap, opentracing.TextMapCarrier(nmd)); err != nil {
-		return nil, nil, err
-	}
-
-	for k, v := range md {
 		nmd.Set(k, v)
 	}
 
-	ctx = metadata.NewIncomingContext(opentracing.ContextWithSpan(ctx, sp), nmd)
+	ctx = metadata.NewOutgoingContext(ot.ContextWithSpan(ctx, sp), nmd)
 
-	return ctx, sp, nil
+	return ctx, sp
+}
+
+func (t *otTracer) startSpanFromIncomingContext(ctx context.Context, name string, opts ...ot.StartSpanOption) (context.Context, ot.Span) {
+	var parentSpan ot.Span
+	if tracerSpan, ok := tracer.SpanFromContext(ctx); ok && tracerSpan != nil {
+		if sp, ok := tracerSpan.(*otSpan); ok {
+			parentSpan = sp.span
+		}
+	}
+	if parentSpan == nil {
+		if otSpan := ot.SpanFromContext(ctx); otSpan != nil {
+			parentSpan = otSpan
+		}
+	}
+
+	md, ok := metadata.FromIncomingContext(ctx)
+
+	if parentSpan != nil {
+		opts = append(opts, ot.ChildOf(parentSpan.Context()))
+	} else {
+		var parentCtx ot.SpanContext
+
+		if ok && md != nil {
+			smd := make(map[string]string, 1)
+			if spanCtx, err := t.tracer.Extract(ot.TextMap, ot.TextMapCarrier(smd)); err == nil {
+				parentCtx = spanCtx
+			}
+		}
+
+		if parentCtx != nil {
+			opts = append(opts, ot.ChildOf(parentCtx))
+		}
+	}
+
+	nmd := metadata.Copy(md)
+	smd := make(map[string]string, 1)
+
+	sp := t.tracer.StartSpan(name, opts...)
+	if err := sp.Tracer().Inject(sp.Context(), ot.TextMap, ot.TextMapCarrier(smd)); err != nil {
+		return nil, nil
+	}
+	for k, v := range smd {
+		nmd.Set(k, v)
+	}
+
+	ctx = metadata.NewIncomingContext(ot.ContextWithSpan(ctx, sp), nmd)
+
+	return ctx, sp
 }

opentracing_test.go

@@ -2,49 +2,116 @@ package opentracing
 
 import (
 	"context"
-	"sync"
+	"fmt"
 	"testing"
 
-	opentracing "github.com/opentracing/opentracing-go"
+	"github.com/opentracing/opentracing-go/mocktracer"
+	// jconfig "github.com/uber/jaeger-client-go/config"
+	"go.unistack.org/micro/v3/logger/slog"
 	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/tracer"
 )
 
-func TestStartSpanFromIncomingContext(t *testing.T) {
+func TestNoopTraceID(t *testing.T) {
-	md := metadata.New(2)
+	md := metadata.New(1)
-	md.Set("key", "val")
-
-	var g sync.WaitGroup
-
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 	ctx = metadata.NewIncomingContext(ctx, md)
 
-	tracer := opentracing.GlobalTracer()
+	tr := NewTracer(Tracer(mocktracer.New()))
-
+	if err := tr.Init(); err != nil {
-	g.Add(8000)
+		t.Fatal(err)
-	cherr := make(chan error)
-	for i := 0; i < 8000; i++ {
-		go func() {
-			defer g.Done()
-			_, sp, err := StartSpanFromIncomingContext(ctx, tracer, "test")
-			if err != nil {
-				cherr <- err
-			}
-			sp.Finish()
-		}()
 	}
 
-	for {
+	var sp tracer.Span
-		select {
+
-		default:
+	_, sp = tr.Start(ctx, "test")
-			g.Wait()
+	if v := sp.TraceID(); v != "43" {
-			close(cherr)
+		t.Fatalf("invalid span trace id %#+v", v)
-		case err, ok := <-cherr:
+	}
+	if v := sp.SpanID(); v != "44" {
+		t.Fatalf("invalid span span id %#+v", v)
+	}
+
+	l := slog.NewLogger()
+	if err := l.Init(); err != nil {
+		t.Fatal(err)
+	}
+	// l.Info(ctx, "msg")
+}
+
+/*
+func TestRealTraceID(t *testing.T) {
+	md := metadata.New(1)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	ctx = metadata.NewIncomingContext(ctx, md)
+
+	jcfg := &jconfig.Configuration{
+		ServiceName: "test",
+		Sampler: &jconfig.SamplerConfig{
+			Type:  "const",
+			Param: 1,
+		},
+		Reporter: &jconfig.ReporterConfig{
+			LogSpans:  true,
+			QueueSize: 100,
+		},
+	}
+
+	jtr, closer, err := jcfg.NewTracer()
 	if err != nil {
 		t.Fatal(err)
-			} else if !ok {
+	}
-				return
+	defer closer.Close()
-			}
+
-		}
+	tr := NewTracer(Tracer(jtr))
+	if err := tr.Init(); err != nil {
+		t.Fatal(err)
+	}
+
+	var sp tracer.Span
+
+	ctx, sp = tr.Start(ctx, "test")
+	if v := sp.TraceID(); v != "43" {
+		t.Fatalf("invalid span trace id %#+v", v)
+	}
+	if v := sp.SpanID(); v != "44" {
+		t.Fatalf("invalid span span id %#+v", v)
+	}
+
+	l := slog.NewLogger()
+	if err := l.Init(); err != nil {
+		t.Fatal(err)
+	}
+	l.Info(ctx, "msg")
+}
+*/
+
+func TestTraceTags(t *testing.T) {
+	md := metadata.New(1)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	ctx = metadata.NewIncomingContext(ctx, md)
+
+	mtr := mocktracer.New()
+	tr := NewTracer(Tracer(mtr))
+	if err := tr.Init(); err != nil {
+		t.Fatal(err)
+	}
+
+	var sp tracer.Span
+
+	ctx, sp = tr.Start(ctx, "test", tracer.WithSpanLabels("key", "val", "odd"))
+	sp.Finish(tracer.WithSpanLabels("xkey", "xval"))
+	_ = ctx
+	msp := mtr.FinishedSpans()[0]
+
+	if "val" != fmt.Sprintf("%v", msp.Tags()["key"]) {
+		t.Fatal("mock span invalid")
+	}
+
+	if "xval" != fmt.Sprintf("%v", msp.Tags()["xkey"]) {
+		t.Fatalf("mock span invalid %#+v", msp)
 	}
 }

options.go

@@ -0,0 +1,12 @@
+package opentracing
+
+import (
+	"github.com/opentracing/opentracing-go"
+	"go.unistack.org/micro/v3/tracer"
+)
+
+type tracerKey struct{}
+
+func Tracer(ot opentracing.Tracer) tracer.Option {
+	return tracer.SetOption(tracerKey{}, ot)
+}