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CI workflow (wolffcatskyy/crowdsec-blocklist-import)

The CI workflow from wolffcatskyy/crowdsec-blocklist-import, explained and optimized by Latchkey.

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Source: wolffcatskyy/crowdsec-blocklist-import.github/workflows/ci.ymlLicense MITView source

What it does

This is the CI workflow from the wolffcatskyy/crowdsec-blocklist-import 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: CI

on:
  push:
    branches: [main]
    tags:
      - 'v*.*.*'
  pull_request:
    branches: [main]

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python 3.11
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest flake8

      - name: Run pytest
        run: |
          python -m pytest test_blocklist_import.py -v

      - name: Check Python syntax
        run: |
          python -m py_compile blocklist_import.py

      - name: Lint with flake8
        run: |
          flake8 blocklist_import.py --max-line-length 120 --ignore E501,W503

  release:
    name: Create GitHub Release
    needs: test
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract changelog for this version
        id: changelog
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          VER="${TAG#v}"
          if [ -f CHANGELOG.md ]; then
            # Extract the section between this tag and the previous one
            NOTES=$(awk "/^## \[?${VER}\]?|^## ${VER}/{found=1; next} found && /^## /{exit} found{print}" CHANGELOG.md)
            if [ -z "$NOTES" ]; then
              NOTES="Release ${TAG}"
            fi
          else
            NOTES="Release ${TAG}"
          fi
          # Write to a file to safely handle multi-line content
          echo "$NOTES" > release_notes.txt

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          gh release create "$TAG" \
            --title "Release $TAG" \
            --notes-file release_notes.txt

The same workflow, on Latchkey

Estimated ~20% faster on cache hits, plus fewer wasted runs and a safer supply chain. Added and changed lines are highlighted.

name: CI
 
on:
  push:
    branches: [main]
    tags:
      - 'v*.*.*'
  pull_request:
    branches: [main]
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  test:
    timeout-minutes: 30
    runs-on: latchkey-small
 
    steps:
      - name: Checkout
        uses: actions/checkout@v4
 
      - name: Set up Python 3.11
        uses: actions/setup-python@v5
        with:
          cache: 'pip'
          python-version: '3.11'
 
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
          pip install -r requirements.txt
          pip install pytest flake8
 
      - name: Run pytest
        run: |
          python -m pytest test_blocklist_import.py -v
 
      - name: Check Python syntax
        run: |
          python -m py_compile blocklist_import.py
 
      - name: Lint with flake8
        run: |
          flake8 blocklist_import.py --max-line-length 120 --ignore E501,W503
 
  release:
    timeout-minutes: 30
    name: Create GitHub Release
    needs: test
    runs-on: latchkey-small
    if: startsWith(github.ref, 'refs/tags/v')
    permissions:
      contents: write
 
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
 
      - name: Extract changelog for this version
        id: changelog
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          VER="${TAG#v}"
          if [ -f CHANGELOG.md ]; then
            # Extract the section between this tag and the previous one
            NOTES=$(awk "/^## \[?${VER}\]?|^## ${VER}/{found=1; next} found && /^## /{exit} found{print}" CHANGELOG.md)
            if [ -z "$NOTES" ]; then
              NOTES="Release ${TAG}"
            fi
          else
            NOTES="Release ${TAG}"
          fi
          # Write to a file to safely handle multi-line content
          echo "$NOTES" > release_notes.txt
 
      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          TAG="${GITHUB_REF#refs/tags/}"
          gh release create "$TAG" \
            --title "Release $TAG" \
            --notes-file release_notes.txt
 

What changed

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:

This workflow runs 2 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