update logic in setHeaders

.gitea/workflows/job_lint.yml

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

.gitea/workflows/job_test.yml

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

.gitea/workflows/job_tests.yml

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

.github/workflows/job_coverage.yml

@@ -1,53 +0,0 @@
-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 }}

.golangci.yml

@@ -1,5 +1,21 @@
 run:
   concurrency: 8
-  timeout: 5m
+  deadline: 5m
   issues-exit-code: 1
   tests: true
+
+linters:
+  enable:
+    - staticcheck
+    - unused
+    - gosimple
+    - govet
+    - prealloc
+    - unconvert
+    - nakedret
+
+linters-settings:
+  govet:
+    check-all: true
+    enable:
+      - fieldalignment

errors.go

@@ -1,10 +0,0 @@
-package kgo
-
-import (
-	"context"
-	"errors"
-)
-
-func isContextError(err error) bool {
-	return errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded)
-}

go.mod

@@ -1,32 +1,27 @@
 module go.unistack.org/micro-broker-kgo/v3
 
-go 1.24.0
+go 1.22.0
-
-toolchain go1.24.3
 
 require (
 	github.com/google/uuid v1.6.0
-	github.com/stretchr/testify v1.11.1
+	github.com/twmb/franz-go v1.18.0
-	github.com/twmb/franz-go v1.20.2
+	github.com/twmb/franz-go/pkg/kadm v1.14.0
-	github.com/twmb/franz-go/pkg/kadm v1.17.1
+	github.com/twmb/franz-go/pkg/kmsg v1.9.0
-	github.com/twmb/franz-go/pkg/kmsg v1.12.0
+	go.opentelemetry.io/otel v1.33.0
-	go.opentelemetry.io/otel v1.38.0
+	go.unistack.org/micro/v3 v3.11.37
-	go.unistack.org/micro/v3 v3.11.48
 )
 
 require (
 	github.com/ash3in/uuidv8 v1.2.0 // indirect
-	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/matoous/go-nanoid v1.5.1 // indirect
 	github.com/pierrec/lz4/v4 v4.1.22 // indirect
-	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
-	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/crypto v0.31.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/sys v0.28.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20251022142026-3a174f9686a8 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484 // indirect
-	google.golang.org/grpc v1.76.0 // indirect
+	google.golang.org/grpc v1.69.2 // indirect
-	google.golang.org/protobuf v1.36.10 // indirect
+	google.golang.org/protobuf v1.36.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -7,14 +7,12 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
-github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
-github.com/klauspost/compress v1.18.1 h1:bcSGx7UbpBqMChDtsF28Lw6v/G94LPrrbMbdC3JH2co=
-github.com/klauspost/compress v1.18.1/go.mod h1:ZQFFVG+MdnR0P+l6wpXgIL4NTtwiKIdBnrBd8Nrxr+0=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
@@ -29,44 +27,34 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
-github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/twmb/franz-go v1.19.5 h1:W7+o8D0RsQsedqib71OVlLeZ0zI6CbFra7yTYhZTs5Y=
+github.com/twmb/franz-go v1.18.0 h1:25FjMZfdozBywVX+5xrWC2W+W76i0xykKjTdEeD2ejw=
-github.com/twmb/franz-go v1.19.5/go.mod h1:4kFJ5tmbbl7asgwAGVuyG1ZMx0NNpYk7EqflvWfPCpM=
+github.com/twmb/franz-go v1.18.0/go.mod h1:zXCGy74M0p5FbXsLeASdyvfLFsBvTubVqctIaa5wQ+I=
-github.com/twmb/franz-go v1.20.2 h1:CiwhyKZHW6vqSHJkh+RTxFAJkio0jBjM/JQhx/HZ72A=
+github.com/twmb/franz-go/pkg/kadm v1.14.0 h1:nAn1co1lXzJQocpzyIyOFOjUBf4WHWs5/fTprXy2IZs=
-github.com/twmb/franz-go v1.20.2/go.mod h1:YCnepDd4gl6vdzG03I5Wa57RnCTIC6DVEyMpDX/J8UA=
+github.com/twmb/franz-go/pkg/kadm v1.14.0/go.mod h1:XjOPz6ZaXXjrW2jVCfLuucP8H1w2TvD6y3PT2M+aAM4=
-github.com/twmb/franz-go/pkg/kadm v1.16.1 h1:IEkrhTljgLHJ0/hT/InhXGjPdmWfFvxp7o/MR7vJ8cw=
+github.com/twmb/franz-go/pkg/kmsg v1.9.0 h1:JojYUph2TKAau6SBtErXpXGC7E3gg4vGZMv9xFU/B6M=
-github.com/twmb/franz-go/pkg/kadm v1.16.1/go.mod h1:Ue/ye1cc9ipsQFg7udFbbGiFNzQMqiH73fGC2y0rwyc=
+github.com/twmb/franz-go/pkg/kmsg v1.9.0/go.mod h1:CMbfazviCyY6HM0SXuG5t9vOwYDHRCSrJJyBAe5paqg=
-github.com/twmb/franz-go/pkg/kadm v1.17.1 h1:Bt02Y/RLgnFO2NP2HVP1kd2TFtGRiJZx+fSArjZDtpw=
+go.opentelemetry.io/otel v1.33.0 h1:/FerN9bax5LoK51X/sI0SVYrjSE0/yUL7DpxW4K3FWw=
-github.com/twmb/franz-go/pkg/kadm v1.17.1/go.mod h1:s4duQmrDbloVW9QTMXhs6mViTepze7JLG43xwPcAeTg=
+go.opentelemetry.io/otel v1.33.0/go.mod h1:SUUkR6csvUQl+yjReHu5uM3EtVV7MBm5FHKRlNx4I8I=
-github.com/twmb/franz-go/pkg/kmsg v1.11.2 h1:hIw75FpwcAjgeyfIGFqivAvwC5uNIOWRGvQgZhH4mhg=
-github.com/twmb/franz-go/pkg/kmsg v1.11.2/go.mod h1:CFfkkLysDNmukPYhGzuUcDtf46gQSqCZHMW1T4Z+wDE=
-github.com/twmb/franz-go/pkg/kmsg v1.12.0 h1:CbatD7ers1KzDNgJqPbKOq0Bz/WLBdsTH75wgzeVaPc=
-github.com/twmb/franz-go/pkg/kmsg v1.12.0/go.mod h1:+DPt4NC8RmI6hqb8G09+3giKObE6uD2Eya6CfqBpeJY=
-go.opentelemetry.io/otel v1.38.0 h1:RkfdswUDRimDg0m2Az18RKOsnI8UDzppJAtj01/Ymk8=
-go.opentelemetry.io/otel v1.38.0/go.mod h1:zcmtmQ1+YmQM9wrNsTGV/q/uyusom3P8RxwExxkZhjM=
 go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
 go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-go.unistack.org/micro/v3 v3.11.45 h1:fjTLZYWgsVf9FIMZBxOg8ios2/tmyimnjZrsrxEUeXU=
+go.unistack.org/micro/v3 v3.11.37 h1:ZcpnXAYEMcAwmnVb5b7o8/PylGnILxXMHaUlRrPmRI0=
-go.unistack.org/micro/v3 v3.11.45/go.mod h1:fDQ8Mu9wubaFP0L8hNQlpzHiEnWN0wbOlawN9HYo0N4=
+go.unistack.org/micro/v3 v3.11.37/go.mod h1:POGU5hstnAT9LH70m8FalyQSNi2GfIew71K75JenIZk=
-go.unistack.org/micro/v3 v3.11.48 h1:lHJYSHU2z1TTcuswItGwG7cZXN6n04EFqY7lk/0gA7w=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
-go.unistack.org/micro/v3 v3.11.48/go.mod h1:fDQ8Mu9wubaFP0L8hNQlpzHiEnWN0wbOlawN9HYo0N4=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
-golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
-golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
-golang.org/x/net v0.45.0 h1:RLBg5JKixCy82FtLJpeNlVM0nrSqpCRYzVU1n8kj0tM=
+golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/net v0.45.0/go.mod h1:ECOoLqd5U3Lhyeyo/QDCEVQ4sNgYsqvCZ722XogGieY=
+golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484 h1:Z7FRVJPSMaHQxD0uXU8WdgFh8PseLM8Q8NzhnpMrBhQ=
-golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241216192217-9240e9c98484/go.mod h1:lcTa1sDdWEIHMWlITnIczmw5w60CF9ffkb8Z+DVmmjA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251007200510-49b9836ed3ff h1:A90eA31Wq6HOMIQlLfzFwzqGKBTuaVztYu/g8sn+8Zc=
+google.golang.org/grpc v1.69.2 h1:U3S9QEtbXC0bYNvRtcoklF3xGtLViumSYxWykJS+7AU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251007200510-49b9836ed3ff/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/grpc v1.69.2/go.mod h1:vyjdE6jLBI76dgpDojsFGNaHlxdjXN9ghpnd2o7JGZ4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251022142026-3a174f9686a8 h1:M1rk8KBnUsBDg1oPGHNCxG4vc1f49epmTO7xscSajMk=
+google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20251022142026-3a174f9686a8/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
+google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/grpc v1.76.0 h1:UnVkv1+uMLYXoIz6o7chp59WfQUYA2ex/BXQ9rHZu7A=
-google.golang.org/grpc v1.76.0/go.mod h1:Ju12QI8M6iQJtbcsV+awF5a4hfJMLi4X0JLo94ULZ6c=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

hook_event.go

@@ -1,73 +0,0 @@
-package kgo
-
-import (
-	"context"
-	"net"
-	"sync/atomic"
-	"time"
-
-	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v3/logger"
-)
-
-type hookEvent struct {
-	log          logger.Logger
-	connected    *atomic.Uint32
-	fatalOnError bool
-}
-
-var (
-	_ kgo.HookBrokerConnect           = &hookEvent{}
-	_ kgo.HookBrokerDisconnect        = &hookEvent{}
-	_ kgo.HookBrokerRead              = &hookEvent{}
-	_ kgo.HookBrokerWrite             = &hookEvent{}
-	_ kgo.HookGroupManageError        = &hookEvent{}
-	_ kgo.HookProduceRecordUnbuffered = &hookEvent{}
-)
-
-func (m *hookEvent) OnGroupManageError(err error) {
-	switch {
-	case err == nil || isContextError(err) || kgo.IsRetryableBrokerErr(err):
-		return
-	default:
-		m.log.Error(context.TODO(), "kgo.OnGroupManageError", err)
-	}
-}
-
-func (m *hookEvent) OnBrokerConnect(_ kgo.BrokerMetadata, _ time.Duration, _ net.Conn, err error) {
-	switch {
-	case err == nil || isContextError(err) || kgo.IsRetryableBrokerErr(err):
-		return
-	default:
-		m.log.Error(context.TODO(), "kgo.OnBrokerConnect", err)
-	}
-}
-
-func (m *hookEvent) OnBrokerDisconnect(_ kgo.BrokerMetadata, _ net.Conn) {}
-
-func (m *hookEvent) OnBrokerWrite(_ kgo.BrokerMetadata, _ int16, _ int, _ time.Duration, _ time.Duration, err error) {
-	switch {
-	case err == nil || isContextError(err) || kgo.IsRetryableBrokerErr(err):
-		return
-	default:
-		m.log.Error(context.TODO(), "kgo.OnBrokerWrite", err)
-	}
-}
-
-func (m *hookEvent) OnBrokerRead(_ kgo.BrokerMetadata, _ int16, _ int, _ time.Duration, _ time.Duration, err error) {
-	switch {
-	case err == nil || isContextError(err) || kgo.IsRetryableBrokerErr(err):
-		return
-	default:
-		m.log.Error(context.TODO(), "kgo.OnBrokerRead", err)
-	}
-}
-
-func (m *hookEvent) OnProduceRecordUnbuffered(_ *kgo.Record, err error) {
-	switch {
-	case err == nil || isContextError(err) || kgo.IsRetryableBrokerErr(err):
-		return
-	default:
-		m.log.Error(context.TODO(), "kgo.OnProduceRecordUnbuffered", err)
-	}
-}

hook_event_test.go

@@ -1,362 +0,0 @@
-package kgo
-
-import (
-	"context"
-	"errors"
-	"io"
-	"net"
-	"os"
-	"testing"
-
-	"github.com/stretchr/testify/require"
-	"github.com/twmb/franz-go/pkg/kgo"
-	"go.unistack.org/micro/v3/logger"
-)
-
-func TestHookEvent_OnGroupManageError(t *testing.T) {
-	tests := []struct {
-		name                  string
-		inputErr              error
-		expectedErrorIsCalled bool
-		expectedErrorMsg      string
-	}{
-		{
-			name:                  "error is nil",
-			inputErr:              nil,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context canceled",
-			inputErr:              context.Canceled,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context deadline exceeded",
-			inputErr:              context.DeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: deadline exceeded (os package)",
-			inputErr:              os.ErrDeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: EOF (io package)",
-			inputErr:              io.EOF,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: closed network connection (net package)",
-			inputErr:              net.ErrClosed,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "some error",
-			inputErr:              errors.New("some error"),
-			expectedErrorIsCalled: true,
-			expectedErrorMsg:      "kgo.OnGroupManageError",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			log := &mockLogger{}
-			he := &hookEvent{log: log}
-			he.OnGroupManageError(tt.inputErr)
-			require.Equal(t, tt.expectedErrorIsCalled, log.errorIsCalled)
-			require.Equal(t, tt.expectedErrorMsg, log.errorMsg)
-		})
-	}
-}
-
-func TestHookEvent_OnBrokerConnect(t *testing.T) {
-	tests := []struct {
-		name                  string
-		inputErr              error
-		expectedErrorIsCalled bool
-		expectedErrorMsg      string
-	}{
-		{
-			name:                  "error is nil",
-			inputErr:              nil,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context canceled",
-			inputErr:              context.Canceled,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context deadline exceeded",
-			inputErr:              context.DeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: deadline exceeded (os package)",
-			inputErr:              os.ErrDeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: EOF (io package)",
-			inputErr:              io.EOF,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: closed network connection (net package)",
-			inputErr:              net.ErrClosed,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "some error",
-			inputErr:              errors.New("some error"),
-			expectedErrorIsCalled: true,
-			expectedErrorMsg:      "kgo.OnBrokerConnect",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			log := &mockLogger{}
-			he := &hookEvent{log: log}
-			he.OnBrokerConnect(kgo.BrokerMetadata{}, 0, nil, tt.inputErr)
-			require.Equal(t, tt.expectedErrorIsCalled, log.errorIsCalled)
-			require.Equal(t, tt.expectedErrorMsg, log.errorMsg)
-		})
-	}
-}
-
-func TestHookEvent_OnBrokerWrite(t *testing.T) {
-	tests := []struct {
-		name                  string
-		inputErr              error
-		expectedErrorIsCalled bool
-		expectedErrorMsg      string
-	}{
-		{
-			name:                  "error is nil",
-			inputErr:              nil,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context canceled",
-			inputErr:              context.Canceled,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context deadline exceeded",
-			inputErr:              context.DeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: deadline exceeded (os package)",
-			inputErr:              os.ErrDeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: EOF (io package)",
-			inputErr:              io.EOF,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: closed network connection (net package)",
-			inputErr:              net.ErrClosed,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "some error",
-			inputErr:              errors.New("some error"),
-			expectedErrorIsCalled: true,
-			expectedErrorMsg:      "kgo.OnBrokerWrite",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			log := &mockLogger{}
-			he := &hookEvent{log: log}
-			he.OnBrokerWrite(kgo.BrokerMetadata{}, 0, 0, 0, 0, tt.inputErr)
-			require.Equal(t, tt.expectedErrorIsCalled, log.errorIsCalled)
-			require.Equal(t, tt.expectedErrorMsg, log.errorMsg)
-		})
-	}
-}
-
-func TestHookEvent_OnBrokerRead(t *testing.T) {
-	tests := []struct {
-		name                  string
-		inputErr              error
-		expectedErrorIsCalled bool
-		expectedErrorMsg      string
-	}{
-		{
-			name:                  "error is nil",
-			inputErr:              nil,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context canceled",
-			inputErr:              context.Canceled,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context deadline exceeded",
-			inputErr:              context.DeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: deadline exceeded (os package)",
-			inputErr:              os.ErrDeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: EOF (io package)",
-			inputErr:              io.EOF,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: closed network connection (net package)",
-			inputErr:              net.ErrClosed,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "some error",
-			inputErr:              errors.New("some error"),
-			expectedErrorIsCalled: true,
-			expectedErrorMsg:      "kgo.OnBrokerRead",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			log := &mockLogger{}
-			he := &hookEvent{log: log}
-			he.OnBrokerRead(kgo.BrokerMetadata{}, 0, 0, 0, 0, tt.inputErr)
-			require.Equal(t, tt.expectedErrorIsCalled, log.errorIsCalled)
-			require.Equal(t, tt.expectedErrorMsg, log.errorMsg)
-		})
-	}
-}
-
-func TestHookEvent_OnProduceRecordUnbuffered(t *testing.T) {
-	tests := []struct {
-		name                  string
-		inputErr              error
-		expectedErrorIsCalled bool
-		expectedErrorMsg      string
-	}{
-		{
-			name:                  "error is nil",
-			inputErr:              nil,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context canceled",
-			inputErr:              context.Canceled,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "context deadline exceeded",
-			inputErr:              context.DeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: deadline exceeded (os package)",
-			inputErr:              os.ErrDeadlineExceeded,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: EOF (io package)",
-			inputErr:              io.EOF,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "retryable error: closed network connection (net package)",
-			inputErr:              net.ErrClosed,
-			expectedErrorIsCalled: false,
-		},
-		{
-			name:                  "some error",
-			inputErr:              errors.New("some error"),
-			expectedErrorIsCalled: true,
-			expectedErrorMsg:      "kgo.OnProduceRecordUnbuffered",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			log := &mockLogger{}
-			he := &hookEvent{log: log}
-			he.OnProduceRecordUnbuffered(&kgo.Record{}, tt.inputErr)
-			require.Equal(t, tt.expectedErrorIsCalled, log.errorIsCalled)
-			require.Equal(t, tt.expectedErrorMsg, log.errorMsg)
-		})
-	}
-}
-
-// Mocks
-
-type mockLogger struct {
-	errorIsCalled bool
-	errorMsg      string
-}
-
-func (m *mockLogger) Init(...logger.Option) error {
-	panic("implement me")
-}
-
-func (m *mockLogger) Clone(...logger.Option) logger.Logger {
-	panic("implement me")
-}
-
-func (m *mockLogger) V(logger.Level) bool {
-	panic("implement me")
-}
-
-func (m *mockLogger) Level(logger.Level) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Options() logger.Options {
-	panic("implement me")
-}
-
-func (m *mockLogger) Fields(...interface{}) logger.Logger {
-	panic("implement me")
-}
-
-func (m *mockLogger) Info(context.Context, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Trace(context.Context, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Debug(context.Context, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Warn(context.Context, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Error(ctx context.Context, msg string, args ...interface{}) {
-	m.errorIsCalled = true
-	m.errorMsg = msg
-}
-
-func (m *mockLogger) Fatal(context.Context, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Log(context.Context, logger.Level, string, ...interface{}) {
-	panic("implement me")
-}
-
-func (m *mockLogger) Name() string {
-	panic("implement me")
-}
-
-func (m *mockLogger) String() string {
-	panic("implement me")
-}

kadmtest.go

@@ -0,0 +1,65 @@
+//go:build ignore
+
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/twmb/franz-go/pkg/kadm"
+	"github.com/twmb/franz-go/pkg/kgo"
+	"github.com/twmb/franz-go/pkg/kversion"
+
+	//"github.com/twmb/franz-go/pkg/sasl/scram"
+	"github.com/twmb/franz-go/pkg/sasl/plain"
+)
+
+func die(msg string, args ...any) {
+	fmt.Fprintf(os.Stderr, msg, args...)
+	os.Exit(1)
+}
+
+func main() {
+	seeds := []string{"vm-kafka-ump01tn.mbrd.ru:9092", "vm-kafka-ump02tn.mbrd.ru:9092", "vm-kafka-ump03tn.mbrd.ru:9092"}
+
+	pass := "XXXXX"
+	user := "XXXXX"
+
+	var adminClient *kadm.Client
+	{
+		client, err := kgo.NewClient(
+			kgo.SeedBrokers(seeds...),
+			// kgo.SASL((scram.Auth{User: user, Pass: pass}).AsSha512Mechanism()),
+			kgo.SASL((plain.Auth{User: user, Pass: pass}).AsMechanism()),
+
+			// Do not try to send requests newer than 2.4.0 to avoid breaking changes in the request struct.
+			// Sometimes there are breaking changes for newer versions where more properties are required to set.
+			kgo.MaxVersions(kversion.V2_4_0()),
+		)
+		if err != nil {
+			panic(err)
+		}
+		defer client.Close()
+
+		adminClient = kadm.NewClient(client)
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
+	defer cancel()
+
+	dg, err := adminClient.DescribeGroups(ctx, "interestrate_loader")
+	if err != nil {
+		die("failed to describe group: %v", err)
+	}
+
+	for _, m := range dg["interestrate_loader"].Members {
+		mc, _ := m.Assigned.AsConsumer()
+		for _, mt := range mc.Topics {
+			for _, p := range mt.Partitions {
+				fmt.Printf("client:%s\tpartitions: %d\n", m.ClientID, p)
+			}
+		}
+	}
+}

kgo.go

@@ -6,14 +6,12 @@ import (
 	"errors"
 	"fmt"
 	"math/rand/v2"
-	"strconv"
 	"strings"
 	"sync"
 	"sync/atomic"
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/twmb/franz-go/pkg/kadm"
 	"github.com/twmb/franz-go/pkg/kgo"
 	"github.com/twmb/franz-go/pkg/kmsg"
 	"go.unistack.org/micro/v3/broker"
@@ -21,7 +19,6 @@ import (
 	"go.unistack.org/micro/v3/metadata"
 	"go.unistack.org/micro/v3/semconv"
 	"go.unistack.org/micro/v3/tracer"
-	mjitter "go.unistack.org/micro/v3/util/jitter"
 	mrand "go.unistack.org/micro/v3/util/rand"
 )
 
@@ -62,14 +59,12 @@ type Broker struct {
 	c         *kgo.Client
 	connected *atomic.Uint32
 
-	done chan struct{}
-
 	kopts []kgo.Opt
 	subs  []*Subscriber
 
 	opts broker.Options
-	mu   sync.RWMutex
 
+	sync.RWMutex
 	init bool
 }
 
@@ -114,18 +109,10 @@ func (k *Broker) connect(ctx context.Context, opts ...kgo.Opt) (*kgo.Client, *ho
 		}
 	}
 
-	var fatalOnError bool
-	if k.opts.Context != nil {
-		if v, ok := k.opts.Context.Value(fatalOnErrorKey{}).(bool); ok && v {
-			fatalOnError = v
-		}
-	}
-
 	htracer := &hookTracer{group: group, clientID: clientID, tracer: k.opts.Tracer}
 	opts = append(opts,
 		kgo.WithHooks(&hookMeter{meter: k.opts.Meter}),
 		kgo.WithHooks(htracer),
-		kgo.WithHooks(&hookEvent{log: k.opts.Logger, fatalOnError: fatalOnError, connected: k.connected}),
 	)
 
 	select {
@@ -147,29 +134,9 @@ func (k *Broker) connect(ctx context.Context, opts ...kgo.Opt) (*kgo.Client, *ho
 			}
 			return nil, nil, err
 		}
-		k.connected.Store(1)
-
-		if fatalOnError {
-			go func() {
-				c := 3
-				n := 0
-				tc := mjitter.NewTicker(500*time.Millisecond, 1*time.Second)
-				defer tc.Stop()
-				for range tc.C {
-					if k.connected.Load() == 0 {
-						if n > c {
-							k.opts.Logger.Fatal(context.Background(), "broker fatal error")
-						}
-						n++
-					} else {
-						n = 0
-					}
-				}
-			}()
 	}
 	return c, htracer, nil
 }
-}
 
 func (k *Broker) Connect(ctx context.Context) error {
 	if k.connected.Load() == 1 {
@@ -186,72 +153,10 @@ func (k *Broker) Connect(ctx context.Context) error {
 		return err
 	}
 
-	k.mu.Lock()
+	k.Lock()
 	k.c = c
 	k.connected.Store(1)
-	k.mu.Unlock()
+	k.Unlock()
-
-	exposeLag := false
-	if k.opts.Context != nil {
-		if v, ok := k.opts.Context.Value(exposeLagKey{}).(bool); ok && v {
-			exposeLag = v
-		}
-	}
-
-	if exposeLag {
-		var mu sync.Mutex
-		var lastUpdate time.Time
-		type pl struct {
-			p string
-			l float64
-		}
-
-		lag := make(map[string]map[string]pl) // topic => group => partition => lag
-		ac := kadm.NewClient(k.c)
-
-		updateStats := func() {
-			mu.Lock()
-			if time.Since(lastUpdate) < DefaultStatsInterval {
-				return
-			}
-			mu.Unlock()
-
-			k.mu.Lock()
-			groups := make([]string, 0, len(k.subs))
-			for _, g := range k.subs {
-				groups = append(groups, g.opts.Group)
-			}
-			k.mu.Unlock()
-
-			dgls, err := ac.Lag(ctx, groups...)
-			if err != nil || !dgls.Ok() {
-				k.opts.Logger.Error(k.opts.Context, "kgo describe group lag error", err)
-				return
-			}
-
-			for gn, dgl := range dgls {
-				for tn, lmap := range dgl.Lag {
-					if _, ok := lag[tn]; !ok {
-						lag[tn] = make(map[string]pl)
-					}
-					for p, l := range lmap {
-						lag[tn][gn] = pl{p: strconv.Itoa(int(p)), l: float64(l.Lag)}
-					}
-				}
-			}
-		}
-
-		for tn, dg := range lag {
-			for gn, gl := range dg {
-				k.opts.Meter.Gauge(semconv.BrokerGroupLag,
-					func() float64 { updateStats(); return gl.l },
-					"topic", tn,
-					"group", gn,
-					"partition", gl.p)
-			}
-		}
-
-	}
 
 	return nil
 }
@@ -269,8 +174,8 @@ func (k *Broker) Disconnect(ctx context.Context) error {
 	ctx, span = k.opts.Tracer.Start(ctx, "Disconnect")
 	defer span.Finish()
 
-	k.mu.Lock()
+	k.Lock()
-	defer k.mu.Unlock()
+	defer k.Unlock()
 	select {
 	case <-nctx.Done():
 		return nctx.Err()
@@ -290,13 +195,12 @@ func (k *Broker) Disconnect(ctx context.Context) error {
 	}
 
 	k.connected.Store(0)
-	close(k.done)
 	return nil
 }
 
 func (k *Broker) Init(opts ...broker.Option) error {
-	k.mu.Lock()
+	k.Lock()
-	defer k.mu.Unlock()
+	defer k.Unlock()
 
 	if len(opts) == 0 && k.init {
 		return nil
@@ -344,6 +248,18 @@ func (k *Broker) Publish(ctx context.Context, topic string, msg *broker.Message,
 }
 
 func (k *Broker) publish(ctx context.Context, msgs []*broker.Message, opts ...broker.PublishOption) error {
+	k.Lock()
+	if k.connected.Load() == 0 {
+		c, _, err := k.connect(ctx, k.kopts...)
+		if err != nil {
+			k.Unlock()
+			return err
+		}
+		k.c = c
+		k.connected.Store(1)
+	}
+	k.Unlock()
+
 	options := broker.NewPublishOptions(opts...)
 	records := make([]*kgo.Record, 0, len(msgs))
 	var errs []string
@@ -398,9 +314,7 @@ func (k *Broker) publish(ctx context.Context, msgs []*broker.Message, opts ...br
 		return nil
 	}
 	ts := time.Now()
-
 	results := k.c.ProduceSync(ctx, records...)
-
 	te := time.Since(ts)
 	for _, result := range results {
 		k.opts.Meter.Summary(semconv.PublishMessageLatencyMicroseconds, "endpoint", result.Record.Topic, "topic", result.Record.Topic).Update(te.Seconds())
@@ -459,13 +373,6 @@ func (k *Broker) Subscribe(ctx context.Context, topic string, handler broker.Han
 		}
 	}
 
-	var fatalOnError bool
-	if k.opts.Context != nil {
-		if v, ok := k.opts.Context.Value(fatalOnErrorKey{}).(bool); ok && v {
-			fatalOnError = v
-		}
-	}
-
 	sub := &Subscriber{
 		topic:     topic,
 		opts:      options,
@@ -473,8 +380,6 @@ func (k *Broker) Subscribe(ctx context.Context, topic string, handler broker.Han
 		kopts:     k.opts,
 		consumers: make(map[tp]*consumer),
 		done:      make(chan struct{}),
-		fatalOnError: fatalOnError,
-		connected:    k.connected,
 	}
 
 	kopts := append(k.kopts,
@@ -485,9 +390,7 @@ func (k *Broker) Subscribe(ctx context.Context, topic string, handler broker.Han
 		kgo.AutoCommitInterval(commitInterval),
 		kgo.OnPartitionsAssigned(sub.assigned),
 		kgo.OnPartitionsRevoked(sub.revoked),
-		kgo.StopProducerOnDataLossDetected(),
 		kgo.OnPartitionsLost(sub.lost),
-		kgo.AutoCommitCallback(sub.autocommit),
 		kgo.AutoCommitMarks(),
 	)
 
@@ -519,9 +422,9 @@ func (k *Broker) Subscribe(ctx context.Context, topic string, handler broker.Han
 
 	go sub.poll(ctx)
 
-	k.mu.Lock()
+	k.Lock()
 	k.subs = append(k.subs, sub)
-	k.mu.Unlock()
+	k.Unlock()
 	return sub, nil
 }
 
@@ -548,7 +451,7 @@ func NewBroker(opts ...broker.Option) *Broker {
 		kgo.BlockRebalanceOnPoll(),
 		kgo.Balancers(kgo.CooperativeStickyBalancer()),
 		kgo.FetchIsolationLevel(kgo.ReadUncommitted()),
-		kgo.UnknownTopicRetries(1),
+		kgo.UnknownTopicRetries(0),
 	}
 
 	if options.Context != nil {
@@ -561,6 +464,5 @@ func NewBroker(opts ...broker.Option) *Broker {
 		connected: &atomic.Uint32{},
 		opts:      options,
 		kopts:     kopts,
-		done:      make(chan struct{}),
 	}
 }

kgo_test.go

@@ -2,6 +2,7 @@ package kgo_test
 
 import (
 	"context"
+	"fmt"
 	"os"
 	"strings"
 	"sync/atomic"
@@ -12,15 +13,14 @@ import (
 	kgo "go.unistack.org/micro-broker-kgo/v3"
 	"go.unistack.org/micro/v3/broker"
 	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/logger/slog"
 	"go.unistack.org/micro/v3/metadata"
 )
 
 var (
-	msgcnt   = int64(1200)
+	msgcnt   = int64(12000000)
 	group    = "38"
-	prefill  = true
+	prefill  = false
-	loglevel = logger.DebugLevel
+	loglevel = logger.InfoLevel
 )
 
 var bm = &broker.Message{
@@ -28,99 +28,7 @@ var bm = &broker.Message{
 	Body:   []byte(`"body"`),
 }
 
-func TestFail(t *testing.T) {
-	if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
-		t.Skip()
-	}
-
-	logger.DefaultLogger = slog.NewLogger()
-	if err := logger.DefaultLogger.Init(logger.WithLevel(loglevel)); err != nil {
-		t.Fatal(err)
-	}
-	ctx := context.Background()
-
-	var addrs []string
-	if addr := os.Getenv("BROKER_ADDRS"); len(addr) == 0 {
-		addrs = []string{"127.0.0.1:9092"}
-	} else {
-		addrs = strings.Split(addr, ",")
-	}
-
-	b := kgo.NewBroker(
-		broker.Addrs(addrs...),
-		kgo.CommitInterval(5*time.Second),
-		kgo.Options(kg.ClientID("test"), kg.FetchMaxBytes(10*1024*1024),
-			kg.AllowAutoTopicCreation(),
-		),
-	)
-
-	t.Logf("broker init")
-	if err := b.Init(); err != nil {
-		t.Fatal(err)
-	}
-
-	t.Logf("broker connect")
-	if err := b.Connect(ctx); err != nil {
-		t.Fatal(err)
-	}
-
-	defer func() {
-		t.Logf("broker disconnect")
-		if err := b.Disconnect(ctx); err != nil {
-			t.Fatal(err)
-		}
-	}()
-
-	t.Logf("broker health %v", b.Health())
-	msgs := make([]*broker.Message, 0, msgcnt)
-	for i := int64(0); i < msgcnt; i++ {
-		msgs = append(msgs, bm)
-	}
-
-	for _, msg := range msgs {
-		t.Logf("broker publish")
-		if err := b.Publish(ctx, "test", msg); err != nil {
-			t.Fatal(err)
-		}
-	}
-	//	t.Skip()
-
-	idx := int64(0)
-	fn := func(msg broker.Event) error {
-		atomic.AddInt64(&idx, 1)
-		time.Sleep(500 * time.Millisecond)
-		t.Logf("ack")
-		return msg.Ack()
-	}
-
-	sub, err := b.Subscribe(ctx, "test", fn,
-		broker.SubscribeAutoAck(true),
-		broker.SubscribeGroup(group),
-		broker.SubscribeBodyOnly(true))
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer func() {
-		if err := sub.Unsubscribe(ctx); err != nil {
-			t.Fatal(err)
-		}
-	}()
-
-	for {
-		t.Logf("health check")
-		if !b.Health() {
-			t.Logf("health works")
-			break
-		}
-		time.Sleep(1 * time.Second)
-	}
-}
-
 func TestConnect(t *testing.T) {
-	if tr := os.Getenv("INTEGRATION_TESTS"); len(tr) > 0 {
-		t.Skip()
-	}
-
 	var addrs []string
 	ctx := context.TODO()
 	b := kgo.NewBroker(
@@ -159,7 +67,6 @@ func TestPubSub(t *testing.T) {
 		kgo.CommitInterval(5*time.Second),
 		kgo.Options(kg.ClientID("test"), kg.FetchMaxBytes(10*1024*1024)),
 	)
-
 	if err := b.Init(); err != nil {
 		t.Fatal(err)
 	}
@@ -217,7 +124,7 @@ func TestPubSub(t *testing.T) {
 				if prc := atomic.LoadInt64(&idx); prc == msgcnt {
 					close(done)
 				} else {
-					t.Logf("processed %v\n", prc)
+					fmt.Printf("processed %v\n", prc)
 				}
 			case <-ticker.C:
 				close(done)

meter.go

@@ -32,27 +32,27 @@ var (
 )
 
 const (
-	metricBrokerConnects    = "micro_broker_connects_total"
+	metricBrokerConnects    = "broker_connects_total"
-	metricBrokerDisconnects = "micro_broker_disconnects_total"
+	metricBrokerDisconnects = "broker_disconnects_total"
 
-	metricBrokerWriteErrors        = "micro_broker_write_errors_total"
+	metricBrokerWriteErrors        = "broker_write_errors_total"
-	metricBrokerWriteBytes         = "micro_broker_write_bytes_total"
+	metricBrokerWriteBytes         = "broker_write_bytes_total"
-	metricBrokerWriteWaitLatencies = "micro_broker_write_wait_latencies"
+	metricBrokerWriteWaitLatencies = "broker_write_wait_latencies"
-	metricBrokerWriteLatencies     = "micro_broker_write_latencies"
+	metricBrokerWriteLatencies     = "broker_write_latencies"
 
-	metricBrokerReadErrors        = "micro_broker_read_errors_total"
+	metricBrokerReadErrors        = "broker_read_errors_total"
-	metricBrokerReadBytes         = "micro_broker_read_bytes_total"
+	metricBrokerReadBytes         = "broker_read_bytes_total"
-	metricBrokerReadWaitLatencies = "micro_broker_read_wait_latencies"
+	metricBrokerReadWaitLatencies = "broker_read_wait_latencies"
-	metricBrokerReadLatencies     = "micro_broker_read_latencies"
+	metricBrokerReadLatencies     = "broker_read_latencies"
 
-	metricBrokerThrottleLatencies = "micro_broker_throttle_latencies"
+	metricBrokerThrottleLatencies = "broker_throttle_latencies"
 
-	metricBrokerProduceBytesCompressed   = "micro_broker_produce_bytes_compressed_total"
+	metricBrokerProduceBytesCompressed   = "broker_produce_bytes_compressed_total"
-	metricBrokerProduceBytesUncompressed = "micro_broker_produce_bytes_uncompressed_total"
+	metricBrokerProduceBytesUncompressed = "broker_produce_bytes_uncompressed_total"
-	metricBrokerFetchBytesCompressed     = "micro_broker_consume_bytes_compressed_total"
+	metricBrokerFetchBytesCompressed     = "broker_consume_bytes_compressed_total"
-	metricBrokerFetchBytesUncompressed   = "micro_broker_consume_bytes_uncompressed_total"
+	metricBrokerFetchBytesUncompressed   = "broker_consume_bytes_uncompressed_total"
 
-	metricBrokerGroupErrors = "micro_broker_group_errors_total"
+	metricBrokerGroupErrors = "broker_group_errors_total"
 
 	labelNode    = "node_id"
 	labelSuccess = "success"

options.go

@@ -15,7 +15,7 @@ var (
 	DefaultCommitInterval = 5 * time.Second
 
 	// DefaultStatsInterval specifies how fast check consumer lag
-	DefaultStatsInterval = 30 * time.Second
+	DefaultStatsInterval = 5 * time.Second
 
 	// DefaultSubscribeMaxInflight specifies how much messages keep inflight
 	DefaultSubscribeMaxInflight = 100
@@ -72,12 +72,6 @@ func SubscribeOptions(opts ...kgo.Opt) broker.SubscribeOption {
 	}
 }
 
-type fatalOnErrorKey struct{}
-
-func FatalOnError(b bool) broker.Option {
-	return broker.SetOption(fatalOnErrorKey{}, b)
-}
-
 type clientIDKey struct{}
 
 func ClientID(id string) broker.Option {
@@ -104,11 +98,6 @@ func SubscribeMaxInFlight(n int) broker.SubscribeOption {
 	return broker.SetSubscribeOption(subscribeMaxInflightKey{}, n)
 }
 
-// SubscribeMaxInFlight max queued messages
-func SubscribeFatalOnError(b bool) broker.SubscribeOption {
-	return broker.SetSubscribeOption(fatalOnErrorKey{}, b)
-}
-
 type publishPromiseKey struct{}
 
 // PublishPromise set the kafka promise func for Produce
@@ -120,10 +109,3 @@ func PublishPromise(fn func(*kgo.Record, error)) broker.PublishOption {
 func ClientPublishPromise(fn func(*kgo.Record, error)) client.PublishOption {
 	return client.SetPublishOption(publishPromiseKey{}, fn)
 }
-
-type exposeLagKey struct{}
-
-// ExposeLag enabled subscriber lag via [meter.Meter]
-func ExposeLag(b bool) broker.Option {
-	return broker.SetOption(exposeLagKey{}, b)
-}

subscriber.go

@@ -5,11 +5,10 @@ import (
 	"fmt"
 	"strconv"
 	"sync"
-	"sync/atomic"
 	"time"
 
+	"github.com/twmb/franz-go/pkg/kadm"
 	"github.com/twmb/franz-go/pkg/kgo"
-	"github.com/twmb/franz-go/pkg/kmsg"
 	"go.unistack.org/micro/v3/broker"
 	"go.unistack.org/micro/v3/logger"
 	"go.unistack.org/micro/v3/metadata"
@@ -27,14 +26,12 @@ type consumer struct {
 
 	c *kgo.Client
 	htracer   *hookTracer
-	connected *atomic.Uint32
 
+	handler broker.Handler
 	quit    chan struct{}
 	done    chan struct{}
 	recs    chan kgo.FetchTopicPartition
 
-	handler broker.Handler
-
 	kopts broker.Options
 	opts  broker.SubscribeOptions
 
@@ -42,25 +39,18 @@ type consumer struct {
 }
 
 type Subscriber struct {
-	topic string
-
 	consumers map[tp]*consumer
-
 	c         *kgo.Client
 	htracer   *hookTracer
-	connected *atomic.Uint32
+	topic     string
 
 	handler broker.Handler
-
 	done    chan struct{}
-
 	kopts   broker.Options
 	opts    broker.SubscribeOptions
 
-	closed       bool
-	fatalOnError bool
-
 	sync.RWMutex
+	closed bool
 }
 
 func (s *Subscriber) Client() *kgo.Client {
@@ -96,13 +86,46 @@ func (s *Subscriber) Unsubscribe(ctx context.Context) error {
 
 func (s *Subscriber) poll(ctx context.Context) {
 	maxInflight := DefaultSubscribeMaxInflight
-
 	if s.opts.Context != nil {
 		if n, ok := s.opts.Context.Value(subscribeMaxInflightKey{}).(int); n > 0 && ok {
 			maxInflight = n
 		}
 	}
 
+	go func() {
+		ac := kadm.NewClient(s.c)
+		ticker := time.NewTicker(DefaultStatsInterval)
+
+		for {
+			select {
+			case <-ctx.Done():
+				ticker.Stop()
+				return
+			case <-ticker.C:
+				dgls, err := ac.Lag(ctx, s.opts.Group)
+				if err != nil || !dgls.Ok() {
+					continue
+				}
+
+				dgl, ok := dgls[s.opts.Group]
+				if !ok {
+					continue
+				}
+				lmap, ok := dgl.Lag[s.topic]
+				if !ok {
+					continue
+				}
+
+				s.Lock()
+				for p, l := range lmap {
+					s.kopts.Meter.Counter(semconv.BrokerGroupLag, "topic", s.topic, "group", s.opts.Group, "partition", strconv.Itoa(int(p)), "lag", strconv.Itoa(int(l.Lag)))
+				}
+				s.Unlock()
+
+			}
+		}
+	}()
+
 	for {
 		select {
 		case <-ctx.Done():
@@ -117,16 +140,12 @@ func (s *Subscriber) poll(ctx context.Context) {
 				return
 			}
 			fetches.EachError(func(t string, p int32, err error) {
-				if kgo.IsRetryableBrokerErr(err) {
-					s.kopts.Logger.Error(ctx, fmt.Sprintf("[kgo] fetch topic %s partition %d error", t, p), err)
-				} else {
 				s.kopts.Logger.Fatal(ctx, fmt.Sprintf("[kgo] fetch topic %s partition %d error", t, p), err)
-				}
 			})
 
 			fetches.EachPartition(func(p kgo.FetchTopicPartition) {
-				tps := tp{p.Topic, p.Partition}
+				nTp := tp{p.Topic, p.Partition}
-				s.consumers[tps].recs <- p
+				s.consumers[nTp].recs <- p
 			})
 			s.c.AllowRebalance()
 		}
@@ -139,12 +158,9 @@ func (s *Subscriber) killConsumers(ctx context.Context, lost map[string][]int32)
 
 	for topic, partitions := range lost {
 		for _, partition := range partitions {
-			tps := tp{topic, partition}
+			nTp := tp{topic, partition}
-			pc, ok := s.consumers[tps]
+			pc := s.consumers[nTp]
-			if !ok {
+			delete(s.consumers, nTp)
-				continue
-			}
-			delete(s.consumers, tps)
 			close(pc.quit)
 			if s.kopts.Logger.V(logger.DebugLevel) {
 				s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] waiting for work to finish topic %s partition %d", topic, partition))
@@ -155,21 +171,11 @@ func (s *Subscriber) killConsumers(ctx context.Context, lost map[string][]int32)
 	}
 }
 
-func (s *Subscriber) autocommit(_ *kgo.Client, _ *kmsg.OffsetCommitRequest, _ *kmsg.OffsetCommitResponse, err error) {
-	if err != nil {
-		//		s.connected.Store(0)
-		if s.fatalOnError {
-			s.kopts.Logger.Fatal(context.TODO(), "kgo.AutoCommitCallback error", err)
-		}
-	}
-}
-
 func (s *Subscriber) lost(ctx context.Context, _ *kgo.Client, lost map[string][]int32) {
-	if s.kopts.Logger.V(logger.ErrorLevel) {
+	if s.kopts.Logger.V(logger.DebugLevel) {
-		s.kopts.Logger.Error(ctx, fmt.Sprintf("[kgo] lost %#+v", lost))
+		s.kopts.Logger.Debug(ctx, fmt.Sprintf("[kgo] lost %#+v", lost))
 	}
 	s.killConsumers(ctx, lost)
-	// s.connected.Store(0)
 }
 
 func (s *Subscriber) revoked(ctx context.Context, c *kgo.Client, revoked map[string][]int32) {
@@ -179,7 +185,6 @@ func (s *Subscriber) revoked(ctx context.Context, c *kgo.Client, revoked map[str
 	s.killConsumers(ctx, revoked)
 	if err := c.CommitMarkedOffsets(ctx); err != nil {
 		s.kopts.Logger.Error(ctx, "[kgo] revoked CommitMarkedOffsets error", err)
-		// s.connected.Store(0)
 	}
 }
 
@@ -197,7 +202,6 @@ func (s *Subscriber) assigned(_ context.Context, c *kgo.Client, assigned map[str
 				handler:   s.handler,
 				kopts:     s.kopts,
 				opts:      s.opts,
-				connected: s.connected,
 			}
 			s.Lock()
 			s.consumers[tp{topic, partition}] = pc
@@ -239,27 +243,16 @@ func (pc *consumer) consume() {
 				for _, hdr := range record.Headers {
 					p.msg.Header.Set(hdr.Key, string(hdr.Value))
 				}
-				p.msg.Header.Set("Micro-Offset", strconv.FormatInt(record.Offset, 10))
-				p.msg.Header.Set("Micro-Partition", strconv.FormatInt(int64(record.Partition), 10))
-				p.msg.Header.Set("Micro-Topic", record.Topic)
-				p.msg.Header.Set("Micro-Key", string(record.Key))
-				p.msg.Header.Set("Micro-Timestamp", strconv.FormatInt(record.Timestamp.Unix(), 10))
 				if pc.kopts.Codec.String() == "noop" {
 					p.msg.Body = record.Value
 				} else if pc.opts.BodyOnly {
 					p.msg.Body = record.Value
 				} else {
-					if sp != nil {
 					sp.AddEvent("codec unmarshal start")
-					}
 					err := pc.kopts.Codec.Unmarshal(record.Value, p.msg)
-					if sp != nil {
 					sp.AddEvent("codec unmarshal stop")
-					}
 					if err != nil {
-						if sp != nil {
 						sp.SetStatus(tracer.SpanStatusError, err.Error())
-						}
 						pc.kopts.Meter.Counter(semconv.SubscribeMessageTotal, "endpoint", record.Topic, "topic", record.Topic, "status", "failure").Inc()
 						p.err = err
 						p.msg.Body = record.Value
@@ -270,7 +263,6 @@ func (pc *consumer) consume() {
 								pc.c.MarkCommitRecords(record)
 							} else {
 								eventPool.Put(p)
-								//								pc.connected.Store(0)
 								pc.kopts.Logger.Fatal(pc.kopts.Context, "[kgo] ErrLostMessage wtf?")
 								return
 							}
@@ -287,27 +279,18 @@ func (pc *consumer) consume() {
 						pc.kopts.Meter.Summary(semconv.SubscribeMessageLatencyMicroseconds, "endpoint", record.Topic, "topic", record.Topic).Update(te.Seconds())
 						pc.kopts.Meter.Histogram(semconv.SubscribeMessageDurationSeconds, "endpoint", record.Topic, "topic", record.Topic).Update(te.Seconds())
 						eventPool.Put(p)
-						//						pc.connected.Store(0)
 						pc.kopts.Logger.Fatal(pc.kopts.Context, "[kgo] Unmarshal err not handled wtf?")
-						if sp != nil {
 						sp.Finish()
-						}
 						return
 					}
 				}
-				if sp != nil {
 				sp.AddEvent("handler start")
-				}
 				err := pc.handler(p)
-				if sp != nil {
 				sp.AddEvent("handler stop")
-				}
 				if err == nil {
 					pc.kopts.Meter.Counter(semconv.SubscribeMessageTotal, "endpoint", record.Topic, "topic", record.Topic, "status", "success").Inc()
 				} else {
-					if sp != nil {
 					sp.SetStatus(tracer.SpanStatusError, err.Error())
-					}
 					pc.kopts.Meter.Counter(semconv.SubscribeMessageTotal, "endpoint", record.Topic, "topic", record.Topic, "status", "failure").Inc()
 				}
 				pc.kopts.Meter.Counter(semconv.SubscribeMessageInflight, "endpoint", record.Topic, "topic", record.Topic).Dec()
@@ -316,13 +299,9 @@ func (pc *consumer) consume() {
 				} else if err != nil {
 					p.err = err
 					if eh != nil {
-						if sp != nil {
 						sp.AddEvent("error handler start")
-						}
 						_ = eh(p)
-						if sp != nil {
 						sp.AddEvent("error handler stop")
-						}
 					} else {
 						if pc.kopts.Logger.V(logger.ErrorLevel) {
 							pc.kopts.Logger.Error(pc.kopts.Context, "[kgo]: subscriber error", err)
@@ -337,18 +316,13 @@ func (pc *consumer) consume() {
 					pc.c.MarkCommitRecords(record)
 				} else {
 					eventPool.Put(p)
-					//					pc.connected.Store(0)
 					pc.kopts.Logger.Fatal(pc.kopts.Context, "[kgo] ErrLostMessage wtf?")
-					if sp != nil {
 					sp.SetStatus(tracer.SpanStatusError, "ErrLostMessage")
 					sp.Finish()
-					}
 					return
 				}
-				if sp != nil {
 				sp.Finish()
 			}
 		}
 	}
 }
-}

tracer.go

@@ -32,9 +32,6 @@ var (
 // the record's context, so it can be ended in the OnProduceRecordUnbuffered
 // hook.
 func (m *hookTracer) OnProduceRecordBuffered(r *kgo.Record) {
-	if !m.tracer.Enabled() {
-		return
-	}
 	// Set up span options.
 	attrs := []interface{}{
 		messagingSystem,
@@ -80,9 +77,6 @@ func (m *hookTracer) OnProduceRecordBuffered(r *kgo.Record) {
 // It sets attributes with values unset when producing and records any error
 // that occurred during the publish operation.
 func (m *hookTracer) OnProduceRecordUnbuffered(r *kgo.Record, err error) {
-	if !m.tracer.Enabled() {
-		return
-	}
 	if span, ok := tracer.SpanFromContext(r.Context); ok {
 		span.AddLabels(
 			semconv.MessagingKafkaDestinationPartition(int(r.Partition)),
@@ -102,9 +96,6 @@ func (m *hookTracer) OnProduceRecordUnbuffered(r *kgo.Record, err error) {
 // OnFetchRecordUnbuffered hook and can be used in downstream consumer
 // processing.
 func (m *hookTracer) OnFetchRecordBuffered(r *kgo.Record) {
-	if !m.tracer.Enabled() {
-		return
-	}
 	// Set up the span options.
 	attrs := []interface{}{
 		messagingSystem,
@@ -150,9 +141,6 @@ func (m *hookTracer) OnFetchRecordBuffered(r *kgo.Record) {
 // OnFetchRecordUnbuffered continues and ends the "receive" span for an
 // unbuffered record.
 func (m *hookTracer) OnFetchRecordUnbuffered(r *kgo.Record, _ bool) {
-	if !m.tracer.Enabled() {
-		return
-	}
 	span, _ := tracer.SpanFromContext(r.Context)
 	span.Finish()
 }
@@ -167,13 +155,6 @@ func (m *hookTracer) OnFetchRecordUnbuffered(r *kgo.Record, _ bool) {
 // not a record which has been created for producing, so call this at the start of each
 // iteration of your processing for the record.
 func (m *hookTracer) WithProcessSpan(r *kgo.Record) (context.Context, tracer.Span) {
-	if r.Context == nil {
-		r.Context = context.Background()
-	}
-
-	if !m.tracer.Enabled() {
-		return r.Context, nil
-	}
 	// Set up the span options.
 	attrs := []interface{}{
 		messagingSystem,