Tests workflow (oliver006/redis_exporter)

The Tests workflow from oliver006/redis_exporter, explained and optimized by Latchkey.

CI health: C - fair

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Source: oliver006/redis_exporter.github/workflows/tests.ymlLicense MITView source

What it does

This is the Tests workflow from the oliver006/redis_exporter repository, a real project running GitHub Actions. It is shown here with attribution under its MIT license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

workflow (.yml)

name: Tests

on:
  pull_request:
  push:
    branches:
      - master
      - "v*"

jobs:
  test-stuff:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v7

      - name: Set up Docker
        uses: docker/setup-buildx-action@v4

      - name: Set up Docker Compose
        run: sudo apt-get install docker-compose

      # need to do this before we start the services as they need the TLS creds
      - name: Create test certs for TLS
        run: |
          make test-certs
          chmod 777 ./contrib/tls/*

      - name: Start services
        run: docker-compose up -d
        working-directory: ./

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'

      - name: Install Dependencies
        run: go mod tidy

      - name: Docker logs
        run: |
          echo "${{ toJson(job) }}"
          docker ps -a
          echo "ok"

      - name: Run tests
        env:
          LOG_LEVEL: "info"
        run: |
          sleep 15
          make test


      - name: Run tests - redis 8
        env:
          LOG_LEVEL: "info"
          TEST_REDIS_URI: "redis://localhost:16388"
          TEST_PWD_REDIS_URI: "redis://:redis-password@localhost:16380"
        run: |
          go test -v -race -p 1 ./...


      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v7
        with:
          fail_ci_if_error: true
          files: ./coverage.txt
          token: ${{ secrets.CODECOV_TOKEN }} # required
          verbose: true

      - name: Upload coverage to Coveralls
        uses: coverallsapp/github-action@v2
        with:
          file: coverage.txt

      - name: Stop services
        run: docker-compose down
        working-directory: ./


  lint-stuff:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v7

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'

      - name: Install Dependencies
        run: go mod tidy

      - name: golangci-lint
        uses: golangci/golangci-lint-action@v9
        with:
          version: v2.11.2
          args: "--tests=false"

      - name: Run checks
        env:
          LOG_LEVEL: "info"
        run: |
          make checks


  build-stuff:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v7

      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'

      - name: Install Dependencies
        run: go mod tidy

      - name: Build some binaries
        run: make build-some-amd64-binaries

      - name: Generate mixin
        run: make mixin

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Test Docker Image Build - Alpine
        uses: docker/build-push-action@v7
        with:
          push: false
          target: alpine
          tags: user/app:tst
          file: Dockerfile
          build-args: "GOARCH=amd64"

      - name: Test Docker Image Build - Scratch
        uses: docker/build-push-action@v7
        with:
          push: false
          target: scratch-release
          tags: user/app:tst
          file: Dockerfile
          build-args: "GOARCH=amd64"

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: Tests
 
on:
  pull_request:
  push:
    branches:
      - master
      - "v*"
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  test-stuff:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
      - name: Checkout code
        uses: actions/checkout@v7
 
      - name: Set up Docker
        uses: docker/setup-buildx-action@v4
 
      - name: Set up Docker Compose
        run: sudo apt-get install docker-compose
 
      # need to do this before we start the services as they need the TLS creds
      - name: Create test certs for TLS
        run: |
          make test-certs
          chmod 777 ./contrib/tls/*
 
      - name: Start services
        run: docker-compose up -d
        working-directory: ./
 
      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'
 
      - name: Install Dependencies
        run: go mod tidy
 
      - name: Docker logs
        run: |
          echo "${{ toJson(job) }}"
          docker ps -a
          echo "ok"
 
      - name: Run tests
        env:
          LOG_LEVEL: "info"
        run: |
          sleep 15
          make test
 
 
      - name: Run tests - redis 8
        env:
          LOG_LEVEL: "info"
          TEST_REDIS_URI: "redis://localhost:16388"
          TEST_PWD_REDIS_URI: "redis://:redis-password@localhost:16380"
        run: |
          go test -v -race -p 1 ./...
 
 
      - name: Upload coverage to Codecov
        uses: codecov/codecov-action@v7
        with:
          fail_ci_if_error: true
          files: ./coverage.txt
          token: ${{ secrets.CODECOV_TOKEN }} # required
          verbose: true
 
      - name: Upload coverage to Coveralls
        uses: coverallsapp/github-action@v2
        with:
          file: coverage.txt
 
      - name: Stop services
        run: docker-compose down
        working-directory: ./
 
 
  lint-stuff:
    timeout-minutes: 30
    runs-on: latchkey-small
 
    steps:
      - name: Checkout code
        uses: actions/checkout@v7
 
      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'
 
      - name: Install Dependencies
        run: go mod tidy
 
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v9
        with:
          version: v2.11.2
          args: "--tests=false"
 
      - name: Run checks
        env:
          LOG_LEVEL: "info"
        run: |
          make checks
 
 
  build-stuff:
    timeout-minutes: 30
    runs-on: latchkey-small
    steps:
      - name: Checkout code
        uses: actions/checkout@v7
 
      - name: Setup Go
        uses: actions/setup-go@v6
        with:
          go-version: '1.26'
 
      - name: Install Dependencies
        run: go mod tidy
 
      - name: Build some binaries
        run: make build-some-amd64-binaries
 
      - name: Generate mixin
        run: make mixin
 
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4
 
      - name: Test Docker Image Build - Alpine
        uses: docker/build-push-action@v7
        with:
          push: false
          target: alpine
          tags: user/app:tst
          file: Dockerfile
          build-args: "GOARCH=amd64"
 
      - name: Test Docker Image Build - Scratch
        uses: docker/build-push-action@v7
        with:
          push: false
          target: scratch-release
          tags: user/app:tst
          file: Dockerfile
          build-args: "GOARCH=amd64"

What changed

Run on Latchkey managed runners with one line (runs-on), which apply the fixes below automatically and self-heal transient failures. This example uses latchkey-small; pick the runner size that fits the job.
Cancel superseded runs when a branch or PR gets a newer push.
Add a job timeout so a hung step cannot burn hours of runner time.

5 third-party actions are referenced by a movable tag. Pin them to the commit SHA (Latchkey resolves and applies this automatically) so a repointed tag cannot change what runs.

What Latchkey heals here

This workflow has steps that commonly fail on transient issues (network, registries, flaky browsers). On Latchkey managed runners they are detected, retried, and self-healed instead of failing your build:

Dependency installs
Container pulls and builds

This workflow runs 3 jobs per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.

Actions used in this workflow

actions/checkout docker/setup-buildx-action actions/setup-go codecov/codecov-action golangci/golangci-lint-action docker/build-push-action