Merge pull request #1153 from crazy-max/export-retention

use default retention days for build export artifact

.github/workflows/ci.yml

@@ -1367,3 +1367,32 @@ jobs:
  file: ./test/Dockerfile
  env:
  DOCKER_BUILD_NO_SUMMARY: true
+
+ export-retention-days:
+ runs-on: ubuntu-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ days:
+ - 2
+ - 0
+ steps:
+ -
+ name: Checkout
+ uses: actions/checkout@v4
+ with:
+ path: action
+ -
+ name: Set up Docker Buildx
+ uses: docker/setup-buildx-action@v3
+ with:
+ version: ${{ inputs.buildx-version || env.BUILDX_VERSION }}
+ driver-opts: |
+ image=${{ inputs.buildkit-image || env.BUILDKIT_IMAGE }}
+ -
+ name: Build
+ uses: ./action
+ with:
+ file: ./test/Dockerfile
+ env:
+ DOCKER_BUILD_EXPORT_RETENTION_DAYS: ${{ matrix.days }}

README.md

@@ -259,9 +259,10 @@ The following outputs are available:
 
 ### environment variables
 
-| Name | Type | Description |
-|---------------------------|------|-------------------------------------------------------------------------------------------------------------------|
-| `DOCKER_BUILD_NO_SUMMARY` | Bool | If `true`, [build summary](https://docs.docker.com/build/ci/github-actions/build-summary/) generation is disabled |
+| Name | Type | Description |
+|--------------------------------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| `DOCKER_BUILD_NO_SUMMARY` | Bool | If `true`, [build summary](https://docs.docker.com/build/ci/github-actions/build-summary/) generation is disabled |
+| `DOCKER_BUILD_EXPORT_RETENTION_DAYS` | Number | Duration after which build export artifact will expire in days. Defaults to repository/org [retention settings](https://docs.github.com/en/actions/learn-github-actions/usage-limits-billing-and-administration#artifact-and-log-retention-policy) if unset or `0` |
 
 ## Troubleshooting
 

src/main.ts

@@ -151,6 +151,7 @@ actionsToolkit.run(
  return;
  }
  try {
+ const exportRetentionDays = buildExportRetentionDays();
  const buildxHistory = new BuildxHistory();
  const exportRes = await buildxHistory.export({
  refs: [stateHelper.buildRef]
@@ -159,7 +160,7 @@ actionsToolkit.run(
  const uploadRes = await GitHub.uploadArtifact({
  filename: exportRes.dockerbuildFilename,
  mimeType: 'application/gzip',
- retentionDays: 90
+ retentionDays: exportRetentionDays
  });
  await GitHub.writeBuildSummary({
  exportRes: exportRes,
@@ -197,3 +198,13 @@ async function buildRef(toolkit: Toolkit, since: Date, builder?: string): Promis
  });
  return Object.keys(refs).length > 0 ? Object.keys(refs)[0] : '';
 }
+
+function buildExportRetentionDays(): number | undefined {
+ if (process.env.DOCKER_BUILD_EXPORT_RETENTION_DAYS) {
+ const res = parseInt(process.env.DOCKER_BUILD_EXPORT_RETENTION_DAYS);
+ if (isNaN(res)) {
+ throw Error(`Invalid build export retention days: ${process.env.DOCKER_BUILD_EXPORT_RETENTION_DAYS}`);
+ }
+ return res;
+ }
+}