remove-obsolete-caches.yml

name: Cleanup obsolete caches
on:
  pull_request:
    types:
      - closed

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - name: Remove caches
        run: |
          gh extension install actions/gh-actions-cache

          REPO=${{ github.repository }}
          BRANCH="refs/pull/${{ github.event.pull_request.number }}/merge"

          echo "Fetching list of cache key"
          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )

          ## Setting this to not fail the workflow while deleting cache keys.
          set +e
          echo "Deleting caches..."
          for cacheKey in $cacheKeysForPR
          do
              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
          done
          echo "Done"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Remove untagged docker images
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const pr_tag = "pr-${{ github.event.pull_request.number }}"
            for (const image of ["hash-graph-cache", "hash-ai-worker-ts-cache", "hash-integration-worker-cache"]) {
              const url = "/orgs/hashintel/packages/container/" + image + "/versions";
              const response = await github.request("GET " + url, { per_page: 100 });
              for (const version of response.data) {
                if (version.metadata.container.tags.length == 0 || version.metadata.container.tags.includes(pr_tag)) {
                  console.log("delete " + version.id)
                  const deleteResponse = await github.request("DELETE " + url + "/" + version.id, { });
                  console.log("status " + deleteResponse.status)
                }
              }
            }

env:
  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}