Build and Publish Extra UBI Packages for Hardening #368
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| # Copyright 2023-2024 The MathWorks, Inc. | |
| name: Build and Publish Extra UBI Packages for Hardening | |
| on: | |
| workflow_dispatch: | |
| push: | |
| branches: | |
| - main | |
| paths: | |
| - 'ubi-hardening-extras/**' | |
| - "!ubi-hardening-extras/**.md" | |
| schedule: | |
| - cron: '0 0 * * *' | |
| env: | |
| BASE_IMAGE: almalinux-base | |
| jobs: | |
| build-base-image: | |
| runs-on: ubuntu-latest | |
| # This job builds the base image and uploads it to the artifacts. | |
| # The following jobs all build from this base image. | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - name: Build base image and save as tar archive | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: ./ubi-hardening-extras/${{ env.BASE_IMAGE }} | |
| tags: ${{ env.BASE_IMAGE }}:latest | |
| outputs: type=docker,dest=/tmp/${{ env.BASE_IMAGE }}.tar | |
| - name: Upload base image archive to artifacts | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: ${{ env.BASE_IMAGE }} | |
| path: /tmp/${{ env.BASE_IMAGE }}.tar | |
| retention-days: 1 | |
| build-and-publish-ubi-hardening-extras: | |
| runs-on: ubuntu-latest | |
| needs: build-base-image | |
| permissions: | |
| contents: read | |
| packages: write | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| package: [icewm, novnc, tigervnc, xterm] | |
| tag: [ubi9.4] | |
| include: | |
| - package: matlab | |
| tag: R2024b | |
| env: | |
| IMAGE_NAME: ghcr.io/${{ github.repository }}/ubi-hardening-extras/${{ matrix.package }} | |
| RED: \033[0;31m | |
| GREEN: \033[0;32m | |
| ORANGE: \033[0;33m | |
| NC: \033[0m | |
| # This job builds the Docker image for a specific UBI package. | |
| # It then checks if the package is different from the last version published. | |
| # Finally, it updates GHCR if the package was updated. | |
| # This runs for all packages in the matrix. | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Download base image archive from artifacts | |
| uses: actions/download-artifact@v4 | |
| with: | |
| name: ${{ env.BASE_IMAGE }} | |
| path: /tmp | |
| - name: Load base image from tar archive | |
| run: | | |
| docker load --input /tmp/${{ env.BASE_IMAGE }}.tar | |
| docker image ls -a | |
| - name: Make image save location | |
| run: | | |
| mkdir -p /tmp/new | |
| # Build the package Docker image locally to retrieve the new signature. | |
| # We will only push to GHCR if the new package SHA-256 is different from the latest one. | |
| - name: Build new UBI package Docker image to file system | |
| uses: docker/build-push-action@v5 | |
| with: | |
| context: ./ubi-hardening-extras/${{ matrix.package }} | |
| build-args: BASE_IMAGE=${{ env.BASE_IMAGE }} | |
| outputs: type=tar,dest=/tmp/new/${{ matrix.package }}.tar | |
| push: false | |
| - name: Login to GitHub Container registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.repository_owner }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # Try to retrieve the latest package pushed to GHCR. | |
| # This will error when running this action for the first time. | |
| - name: Pull latest UBI package Docker image from ghcr | |
| id: pull_latest | |
| continue-on-error: true | |
| run: | | |
| docker pull ${{ env.IMAGE_NAME }}:${{ matrix.tag }} | |
| - name: Extract signature and version from latest Docker image | |
| id: extract | |
| run: | | |
| # Extract signature and version files from latest docker image if pull was succesful. | |
| if [[ ${{ steps.pull_latest.outcome }} == 'success' ]]; then | |
| VERSION=$(bash ./ubi-hardening-extras/workflow/extract_metadata.sh ${{ env.IMAGE_NAME }}:${{ matrix.tag }}) | |
| echo -e "${{ env.GREEN }}>> Found ${{ env.IMAGE_NAME }} version ${VERSION}.${{ env.NC }}" | |
| NEXT_VERSION=$(bash ./ubi-hardening-extras/workflow/increment_version.sh ${VERSION}) | |
| else | |
| echo -e "${{ env.RED }}>> Image ${{ env.IMAGE_NAME }} does not exist.${{ env.NC }}" | |
| NEXT_VERSION="v1.0" | |
| fi | |
| echo "next_version=${NEXT_VERSION}" >> $GITHUB_OUTPUT | |
| - name: Check latest signature against new signature | |
| id: check | |
| run: | | |
| # Compare the SHA-256 signature of the latest published package versus the new build | |
| (cd /tmp/new && mkdir image-layers && tar -xf ${{ matrix.package }}.tar -C image-layers) | |
| STATUS=$(cmp --silent /tmp/latest/*.sha256 /tmp/new/image-layers/*.sha256; echo $?) | |
| if [[ "${STATUS}" == '0' ]]; then | |
| echo -e "${{ env.GREEN }}>> ${{ matrix.package }} has not changed, nothing to do.${{ env.NC }}" | |
| else | |
| echo -e "${{ env.ORANGE }}>> ${{ matrix.package }} has changed, updating the artifacts.${{ env.NC }}" | |
| fi | |
| echo "is_identical=${STATUS}" >> $GITHUB_OUTPUT | |
| # Rebuild the same package Docker image from step "Build new UBI package Docker image to file system" | |
| # this time build locally storing the new version number. | |
| # The build relies on the docker build cache to simply update the version and push. | |
| - name: Build Docker image for UBI packages | |
| uses: docker/build-push-action@v5 | |
| if: ${{ steps.check.outputs.is_identical != '0' }} | |
| with: | |
| context: ./ubi-hardening-extras/${{ matrix.package }} | |
| build-args: | | |
| BASE_IMAGE=${{ env.BASE_IMAGE }} | |
| VERSION=${{ steps.extract.outputs.next_version }} | |
| tags: | | |
| ${{ env.IMAGE_NAME }}:${{ matrix.tag }} | |
| ${{ env.IMAGE_NAME }}:${{ steps.extract.outputs.next_version }}-${{ matrix.tag }} | |
| - name: Set up Python 3 | |
| if: ${{ steps.check.outputs.is_identical != '0' }} | |
| uses: actions/setup-python@v5 | |
| with: | |
| python-version: "3.10" | |
| - name: Install test dependencies | |
| if: ${{ steps.check.outputs.is_identical != '0' }} | |
| working-directory: ubi-hardening-extras/tests | |
| run: | | |
| python -m pip install --upgrade pip | |
| if [ -f requirements.txt ]; then pip install -r requirements.txt; fi | |
| - name: Test new UBI package Docker image | |
| if: ${{ steps.check.outputs.is_identical != '0' }} | |
| working-directory: ubi-hardening-extras/tests | |
| env: | |
| IMAGE_UNDER_TEST: ${{ env.IMAGE_NAME }}:${{ matrix.tag }} | |
| run: python -m unittest ${{ matrix.package }}/*.py | |
| # Push the package Docker image built in the "Build Docker image for UBI packages" step to GHCR | |
| # (since we now know if something has changed). | |
| - name: Push to GitHub Container Registry if package has changed | |
| if: ${{ steps.check.outputs.is_identical != '0' }} | |
| run: docker push --all-tags ${{ env.IMAGE_NAME }} |