Check for new Ubuntu image #232
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| name: Check for new Ubuntu image | |
| on: | |
| schedule: | |
| - cron: '12 19 * * *' | |
| workflow_dispatch: | |
| jobs: | |
| check_image_hash: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| id: checkout_repository | |
| uses: actions/checkout@v4 | |
| - name: Pull Docker image | |
| id: pull_latest_image | |
| run: docker pull ubuntu:24.04 | |
| - name: Get current hash | |
| id: get_current_hash | |
| run: | | |
| CURRENT_HASH=$(docker save ubuntu:24.04 | tar -xO | shasum -a 256 | cut -d' ' -f1) | |
| echo "CURRENT_HASH=$CURRENT_HASH" >> $GITHUB_ENV | |
| - name: Get previous hash | |
| id: get_previous_hash | |
| run: | | |
| PREVIOUS_HASH=$(cat upstream-releases/ubuntu_hash.txt) | |
| echo "PREVIOUS_HASH=$PREVIOUS_HASH" >> $GITHUB_ENV | |
| - name: Compare hashes | |
| id: compare_hashes | |
| run: | | |
| if [ -n "${{ env.PREVIOUS_HASH }}" ]; then | |
| if [ "${{ env.PREVIOUS_HASH }}" = "${{ env.CURRENT_HASH }}" ]; then | |
| echo "Hashes match. No change detected." | |
| echo "MODIFIED=false" >> $GITHUB_ENV | |
| else | |
| echo "Hashes differ. There's a change in the image." | |
| echo "${{ env.CURRENT_HASH }}" > upstream-releases/ubuntu_hash.txt | |
| # Trigger the build-and-push workflow | |
| curl -X POST \ | |
| -H "Accept: application/vnd.github.v3+json" \ | |
| -H "Authorization: token ${{ secrets.PAT }}" \ | |
| https://api.github.com/repos/hucknz/cumulusmx/actions/workflows/v3-container-build-push.yml/dispatches \ | |
| -d '{"ref":"main"}' | |
| echo "MODIFIED=true" >> $GITHUB_ENV | |
| fi | |
| else | |
| echo "Previous hash not found. This is likely the first run." | |
| echo "${{ env.CURRENT_HASH }}" > upstream-releases/ubuntu_hash.txt | |
| fi | |
| - name: Commit latest hash | |
| id: commit_latest_hash | |
| if: env.MODIFIED == 'true' | |
| run: | | |
| git config --global user.name 'hucknz' | |
| git config --global user.email '[email protected]' | |
| git commit -am "New Ubuntu hash found" | |
| git push | |
| - name: Notify new image found | |
| id: notify_new_image | |
| if: env.MODIFIED == 'true' | |
| uses: sarisia/actions-status-discord@v1 | |
| with: | |
| webhook: ${{ secrets.DISCORD_WEBHOOK }} | |
| noprefix: true | |
| status: ${{ job.status }} | |
| title: ${{ github.workflow}} ${{ job.status }} | |
| description: "A new Ubuntu base image was found. The build and push workflow has been triggered." | |
| - name: Notify failure | |
| if: failure() | |
| uses: sarisia/actions-status-discord@v1 | |
| with: | |
| webhook: ${{ secrets.DISCORD_WEBHOOK }} | |
| noprefix: true | |
| status: ${{ job.status }} | |
| title: "Ubuntu base image check ${{ job.status }}" |