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GitHubUniverseRecap2024
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pnsk
November 27, 2024
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GitHubUniverseRecap2024
pnsk
November 27, 2024
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Transcript
あなたの知らない GitHub Actions 小技 集
None
GitHub Actions Is a CI/CD platform. It lets us automate
workflows at every step in software development process.
Agenda 1. Workflow 2. Environment 3. Deployment view 4. Insight
5. Immutable Actions
Workflow
Matrix jobs Workflow • Test multiple versions of dependencies or
multiple OS versions • Speed up testing processes
continue-on-error • Continuously run Actions if a step fails •
Available for job/step levels Workflow
continue-on-error • Handling a failure job like roll backing the
deployment • Negative test Expected use cases
Deployment view
Deployment history • Deployment view • Pinging environments (max: 10)
• More filters on the view ◦ Creators, statues, environments, commits.
Environment
• Required reviewers • Wait timer • Custom rules with
GitHub Apps Deployment protection rules Environment
• Protected branches only • Selected branches and tags Deployment
branches and tags Environment
Insight
Usage metrics Insight • Usage metrics for your organizations
Performance metrics Insight • How long did workflows/jobs take to
complete? • How long did workflows/jobs wait to run? • Which workflows/jobs are consistently failing? • Where is the longest running workflows/jobs?
Immutable Actions
Immutable Actions Mutable References Actions can be referenced in workflow
by Git tag, release name, branch name or SHA. Tag in particular are mutable by design. Risk Mutable references can become subject to history overwrite attacks or changes to the target of the Git tags Looks like a released version, but is a Git tag
Immutable Actions • Actions is published as OCI packages to
GitHub Container Registry • Immutable version tags with SemVer SemVer that points at immutable artifact
https://support.github.com