CI workflow (aio-libs/aiojobs)
The CI workflow from aio-libs/aiojobs, explained and optimized by Latchkey.
CI health: F - at risk
Point runs-on at Latchkey and get caching, run de-duplication, job timeouts, SHA-pinned actions, self-healing for flaky steps, and up to 58% lower cost, applied automatically.
What it does
This is the CI workflow from the aio-libs/aiojobs 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
name: CI
on:
push:
branches:
- 'master'
tags: [ 'v*' ]
pull_request:
branches:
- 'master'
schedule:
- cron: '0 6 * * *' # Daily 6AM UTC build
jobs:
docs:
name: Docs
runs-on: ubuntu-latest
steps:
- name: Checkhout
uses: actions/checkout@v6
- name: Setup Python
uses: actions/setup-python@v6
with:
python-version: 3.13
- uses: actions/cache@v5
with:
path: ~/.cache/pip
key: ${{ runner.os }}-pip-3.13-${{ hashFiles('requirements/*.txt') }}
restore-keys: |
${{ runner.os }}-pip-
- run: make setup
- run: make -C docs html SPHINXOPTS="-W -E"
lint:
name: Lint
runs-on: ubuntu-latest
timeout-minutes: 5
steps:
- name: Checkhout
uses: actions/checkout@v6
- name: Setup Python 3.13
uses: actions/setup-python@v6
with:
python-version: 3.13
- uses: actions/cache@v5
with:
path: ~/.cache/pip
key: ${{ runner.os }}-pip-3.9-${{ hashFiles('requirements/*.txt') }}
restore-keys: |
${{ runner.os }}-pip-
- run: make setup
- run: pre-commit run --all-files
test:
name: Test
runs-on: ubuntu-latest
strategy:
matrix:
pyver: ['3.9', '3.10', '3.11', '3.12', '3.13']
experimental: [false]
include:
- pyver: "3.14"
experimental: true
fail-fast: true
continue-on-error: ${{ matrix.experimental }}
steps:
- name: Checkhout
uses: actions/checkout@v6
- name: Setup Python ${{ matrix.pyver }}
uses: actions/setup-python@v6
with:
python-version: ${{ matrix.pyver }}
allow-prereleases: true
cache: 'pip'
cache-dependency-path: 'requirements/*.txt'
- name: Install dependencies
uses: py-actions/py-dependency-install@v4
with:
path: requirements/ci.txt
- name: Run mypy
run: |
mypy
- name: Run tests
env:
PYTHONPATH: .
run: |
pytest tests
python -m coverage xml
- name: Upload coverage
uses: codecov/codecov-action@v7
with:
fail_ci_if_error: true
token: ${{ secrets.CODECOV_TOKEN }}
check: # This job does nothing and is only used for the branch protection
if: always()
needs: [docs, lint, test]
runs-on: ubuntu-latest
steps:
- name: Decide whether the needed jobs succeeded or failed
uses: re-actors/alls-green@release/v1
with:
jobs: ${{ toJSON(needs) }}
deploy:
name: Deploy
needs: check
environment: release
runs-on: ubuntu-latest
if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
steps:
- name: Checkout
uses: actions/checkout@v6
- name: Setup Python
uses: actions/setup-python@v6
with:
python-version: 3.13
- name: Install dependencies
run:
python -m pip install -U pip wheel setuptools build twine
- name: Build dists
run: |
python -m build
- name: Make Release
uses: aio-libs/create-release@v1.6.6
with:
changes_file: CHANGES.rst
name: aiojobs
version_file: aiojobs/__init__.py
github_token: ${{ secrets.GITHUB_TOKEN }}
pypi_token: ${{ secrets.PYPI_TOKEN }}
dist_dir: dist
fix_issue_regex: "`#(\\d+) <https://github.com/aio-libs/aiojobs/issues/\\1>`"
fix_issue_repl: "(#\\1)"
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: - 'master' tags: [ 'v*' ] pull_request: branches: - 'master' schedule: - cron: '0 6 * * *' # Daily 6AM UTC build concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: docs: timeout-minutes: 30 name: Docs runs-on: latchkey-small steps: - name: Checkhout uses: actions/checkout@v6 - name: Setup Python uses: actions/setup-python@v6 with: cache: 'pip' python-version: 3.13 - uses: actions/cache@v5 with: path: ~/.cache/pip key: ${{ runner.os }}-pip-3.13-${{ hashFiles('requirements/*.txt') }} restore-keys: | ${{ runner.os }}-pip- - run: make setup - run: make -C docs html SPHINXOPTS="-W -E" lint: name: Lint runs-on: latchkey-small timeout-minutes: 5 steps: - name: Checkhout uses: actions/checkout@v6 - name: Setup Python 3.13 uses: actions/setup-python@v6 with: cache: 'pip' python-version: 3.13 - uses: actions/cache@v5 with: path: ~/.cache/pip key: ${{ runner.os }}-pip-3.9-${{ hashFiles('requirements/*.txt') }} restore-keys: | ${{ runner.os }}-pip- - run: make setup - run: pre-commit run --all-files test: timeout-minutes: 30 name: Test runs-on: latchkey-small strategy: matrix: pyver: ['3.9', '3.10', '3.11', '3.12', '3.13'] experimental: [false] include: - pyver: "3.14" experimental: true fail-fast: true continue-on-error: ${{ matrix.experimental }} steps: - name: Checkhout uses: actions/checkout@v6 - name: Setup Python ${{ matrix.pyver }} uses: actions/setup-python@v6 with: python-version: ${{ matrix.pyver }} allow-prereleases: true cache: 'pip' cache-dependency-path: 'requirements/*.txt' - name: Install dependencies uses: py-actions/py-dependency-install@v4 with: path: requirements/ci.txt - name: Run mypy run: | mypy - name: Run tests env: PYTHONPATH: . run: | pytest tests python -m coverage xml - name: Upload coverage uses: codecov/codecov-action@v7 with: fail_ci_if_error: true token: ${{ secrets.CODECOV_TOKEN }} check: # This job does nothing and is only used for the branch protection timeout-minutes: 30 if: always() needs: [docs, lint, test] runs-on: latchkey-small steps: - name: Decide whether the needed jobs succeeded or failed uses: re-actors/alls-green@release/v1 with: jobs: ${{ toJSON(needs) }} deploy: timeout-minutes: 30 name: Deploy needs: check environment: release runs-on: latchkey-small if: github.event_name == 'push' && contains(github.ref, 'refs/tags/') steps: - name: Checkout uses: actions/checkout@v6 - name: Setup Python uses: actions/setup-python@v6 with: cache: 'pip' python-version: 3.13 - name: Install dependencies run: python -m pip install -U pip wheel setuptools build twine - name: Build dists run: | python -m build - name: Make Release uses: aio-libs/create-release@v1.6.6 with: changes_file: CHANGES.rst name: aiojobs version_file: aiojobs/__init__.py github_token: ${{ secrets.GITHUB_TOKEN }} pypi_token: ${{ secrets.PYPI_TOKEN }} dist_dir: dist fix_issue_regex: "`#(\\d+) <https://github.com/aio-libs/aiojobs/issues/\\1>`" fix_issue_repl: "(#\\1)"
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 useslatchkey-small; pick the runner size that fits the job. - Cancel superseded runs when a branch or PR gets a newer push.
- Cache dependency installs on the setup step so they are served from cache.
- Add a job timeout so a hung step cannot burn hours of runner time.
4 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
This workflow runs 5 jobs (9 with the matrix expanded) per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.