Migrate to GitHub Actions

.circleci/config.yml

@@ -1,101 +1,33 @@
 ---
+# Prometheus has switched to GitHub action.
+# Circle CI is not disabled repository-wise so that previous pull requests
+# continue working.
+# This file does not generate any CircleCI workflow.
+
 version: 2.1
-orbs:
-  prometheus: prometheus/prometheus@0.17.1
+
 executors:
-  # Whenever the Go version is updated here, .promu.yml
-  # should also be updated.
   golang:
     docker:
-      - image: cimg/go:1.26
+      - image: busybox
+
 jobs:
-  test:
+  noopjob:
     executor: golang
+
     steps:
-      - prometheus/setup_environment
-      - run: make check_license style staticcheck unused build test-short
-      - prometheus/store_artifact:
-          file: mysqld_exporter
-  integration:
-    docker:
-      - image: cimg/go:1.26
-      - image: << parameters.mysql_image >>
-        environment:
-          MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
-          MYSQL_ROOT_HOST: '%'
-    parameters:
-      mysql_image:
-        type: string
-    steps:
-      - checkout
-      - setup_remote_docker
-      - run: docker version
-      - run: docker-compose --version
-      - run: make build
-      - run: make test
-  mixin:
-    executor: golang
-    steps:
-      - checkout
-      - run: go install github.com/monitoring-mixins/mixtool/cmd/mixtool@latest
-      - run: go install github.com/google/go-jsonnet/cmd/jsonnetfmt@latest
-      - run: make -C mysqld-mixin lint build
+      - run:
+          command: "true"
+
 workflows:
   version: 2
   mysqld_exporter:
     jobs:
-      - test:
-          filters:
-            tags:
-              only: /.*/
-      - integration:
-          matrix:
-            parameters:
-              mysql_image:
-                - percona:5.6
-                - mysql:5.7.33
-                - mysql:8.0
-                - mysql:8.4
-                - mariadb:10.5
-                - mariadb:10.6
-                - mariadb:10.11
-                - mariadb:11.4
-      - prometheus/build:
-          name: build
-          parallelism: 3
-          promu_opts: "-p linux/amd64 -p windows/amd64 -p linux/arm64 -p darwin/amd64 -p darwin/arm64 -p linux/386"
-          filters:
-            tags:
-              ignore: /^v.*/
-            branches:
-              ignore: /^(main|release-.*|.*build-all.*)$/
-      - prometheus/build:
-          name: build_all
-          parallelism: 12
-          filters:
-            branches:
-              only: /^(main|release-.*|.*build-all.*)$/
-            tags:
-              only: /^v.*/
-      - mixin:
-          filters:
-            tags:
-              only: /.*/
-      - prometheus/publish_main:
-          context: org-context
-          requires:
-            - test
-            - build_all
-          filters:
-            branches:
-              only: main
-      - prometheus/publish_release:
-          context: org-context
-          requires:
-            - test
-            - build_all
+      - noopjob
+    triggers:
+      - schedule:
+          cron: "0 0 30 2 *"
           filters:
-            tags:
-              only: /^v.*/
             branches:
-              ignore: /.*/
+              only:
+                - main

.github/dependabot.yml

@@ -4,3 +4,11 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    # Exclude configs synced from upstream prometheus/prometheus.
+    exclude-paths:
+      - .github/workflows/container_description.yml
+      - .github/workflows/golangci-lint.yml

.github/workflows/ci.yml

@@ -0,0 +1,126 @@
+---
+name: CI
+on:
+  pull_request:
+  push:
+    branches: [main, 'release-*']
+    tags: ['v*']
+
+permissions:
+  contents: read
+
+jobs:
+  test_go:
+    name: Go tests
+    runs-on: ubuntu-latest
+    container:
+      # Whenever the Go version is updated here, .promu.yml
+      # should also be updated.
+      image: quay.io/prometheus/golang-builder:1.26-base
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: prometheus/promci-setup@5af30ba8c199a91d6c04ebdc3c48e630e355f62d # v0.1.0
+      - run: make
+      - run: git diff --exit-code
+
+  mixins:
+    name: Test mixins
+    runs-on: ubuntu-latest
+    container:
+      # Whenever the Go version is updated here, .promu.yml
+      # should also be updated.
+      image: quay.io/prometheus/golang-builder:1.26-base
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - run: go install github.com/monitoring-mixins/mixtool/cmd/mixtool@latest
+      - run: go install github.com/google/go-jsonnet/cmd/jsonnetfmt@latest
+      - run: make -C mysqld-mixin lint build
+
+  integration:
+    name: Integration tests
+    runs-on: ubuntu-latest
+    container:
+      # Whenever the Go version is updated here, .promu.yml
+      # should also be updated.
+      image: quay.io/prometheus/golang-builder:1.26-base
+    services:
+      mysqld:
+        image: ${{ matrix.mysql_image }}
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
+          MYSQL_ROOT_HOST: '%'
+        options: >-
+          --health-cmd="mysqladmin ping"
+          --health-interval=10s
+          --health-timeout=5s
+          --health-retries=10
+    strategy:
+      matrix:
+        mysql_image:
+          - percona:5.6
+          - mysql:5.7.33
+          - mysql:8.0
+          - mysql:8.4
+          - mariadb:10.5
+          - mariadb:10.6
+          - mariadb:10.11
+          - mariadb:11.4
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - run: make build
+      - run: make test
+      - run: git diff --exit-code
+
+  build:
+    name: Build mysqld_exporter for all architectures
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        thread: [ 0, 1, 2, 3]
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: prometheus/promci/build@769ee18070cd21cfc2a24fa912349fd3e48dee58 # v0.6.0
+        with:
+          parallelism: 4
+          thread: ${{ matrix.thread }}
+
+  publish_main:
+    name: Publish main branch artifacts
+    runs-on: ubuntu-latest
+    needs: [test_go, build, integration]
+    if: (github.event_name == 'push' && github.event.ref == 'refs/heads/main')
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: prometheus/promci/publish_main@42c3c84c865e5c1ab78543b929f7341eb2ef6123 # v0.6.1
+        with:
+          docker_hub_login: ${{ secrets.docker_hub_login }}
+          docker_hub_password: ${{ secrets.docker_hub_password }}
+          quay_io_login: ${{ secrets.quay_io_login }}
+          quay_io_password: ${{ secrets.quay_io_password }}
+
+  publish_release:
+    name: Publish release artifacts
+    runs-on: ubuntu-latest
+    needs: [test_go, build, integration]
+    if: (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v'))
+    steps:
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          persist-credentials: false
+      - uses: prometheus/promci/publish_release@42c3c84c865e5c1ab78543b929f7341eb2ef6123 # v0.6.1
+        with:
+          docker_hub_login: ${{ secrets.docker_hub_login }}
+          docker_hub_password: ${{ secrets.docker_hub_password }}
+          quay_io_login: ${{ secrets.quay_io_login }}
+          quay_io_password: ${{ secrets.quay_io_password }}
+          github_token: ${{ secrets.PROMBOT_GITHUB_TOKEN }}