golangci-lint workflow (prometheus/pushgateway)

The golangci-lint workflow from prometheus/pushgateway, explained and optimized by Latchkey.

CI health: C - fair

Point runs-on at Latchkey and get run de-duplication, job timeouts, self-healing for flaky steps, and up to 58% lower cost, applied automatically.

Grade your own workflow free or run it on Latchkey →

Source: prometheus/pushgateway.github/workflows/golangci-lint.ymlLicense Apache-2.0View source

What it does

This is the golangci-lint workflow from the prometheus/pushgateway repository, a real project running GitHub Actions. It is shown here with attribution under its Apache-2.0 license.

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

The workflow

workflow (.yml)

---
# This action is synced from https://github.com/prometheus/prometheus
name: golangci-lint
on:
  push:
    branches: [main, master, 'release-*']
    paths:
      - "go.sum"
      - "go.mod"
      - "**.go"
      - "scripts/errcheck_excludes.txt"
      - ".github/workflows/golangci-lint.yml"
      - ".golangci.yml"
    tags: ['v*']
  pull_request:

permissions:  # added using https://github.com/step-security/secure-repo
  contents: read

jobs:
  golangci:
    permissions:
      contents: read  # for actions/checkout to fetch code
      pull-requests: read  # for golangci/golangci-lint-action to fetch pull requests
    name: lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - name: Install Go
        uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
        with:
          go-version: 1.26.x
      - name: Install snmp_exporter/generator dependencies
        run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
        if: github.repository == 'prometheus/snmp_exporter'
      - name: Get golangci-lint version
        id: golangci-lint-version
        run: echo "version=$(make print-golangci-lint-version)" >> $GITHUB_OUTPUT
      - name: Lint
        uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
        with:
          args: --verbose
          version: ${{ steps.golangci-lint-version.outputs.version }}

The same workflow, on Latchkey

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

---
# This action is synced from https://github.com/prometheus/prometheus
name: golangci-lint
on:
  push:
    branches: [main, master, 'release-*']
    paths:
      - "go.sum"
      - "go.mod"
      - "**.go"
      - "scripts/errcheck_excludes.txt"
      - ".github/workflows/golangci-lint.yml"
      - ".golangci.yml"
    tags: ['v*']
  pull_request:
 
permissions:  # added using https://github.com/step-security/secure-repo
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  golangci:
    timeout-minutes: 30
    permissions:
      contents: read  # for actions/checkout to fetch code
      pull-requests: read  # for golangci/golangci-lint-action to fetch pull requests
    name: lint
    runs-on: latchkey-small
    steps:
      - name: Checkout repository
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          persist-credentials: false
      - name: Install Go
        uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6.5.0
        with:
          go-version: 1.26.x
      - name: Install snmp_exporter/generator dependencies
        run: sudo apt-get update && sudo apt-get -y install libsnmp-dev
        if: github.repository == 'prometheus/snmp_exporter'
      - name: Get golangci-lint version
        id: golangci-lint-version
        run: echo "version=$(make print-golangci-lint-version)" >> $GITHUB_OUTPUT
      - name: Lint
        uses: golangci/golangci-lint-action@ba0d7d2ec06a0ea1cb5fa41b2e4a3ab91d21278a # v9.3.0
        with:
          args: --verbose
          version: ${{ steps.golangci-lint-version.outputs.version }}

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.

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

This workflow runs 1 job 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 actions/setup-go golangci/golangci-lint-action