create a step to set the full OCI image URL in the github outputs #15
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| # Using Kaniko: refer to the following documentations: | |
| # * https://github.com/marketplace/actions/kaniko-action | |
| # * https://github.com/int128/kaniko-action#inputs | |
| name: "Build a container that ship with goreleaser, cosign, ko-build, trivy, syft and push to GitHub Container Registry (GHCR)" | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| - release/* | |
| push: | |
| branches: | |
| - main | |
| - containerfiles # TODO: remove after testing | |
| - cosign-slsa # TODO: remove after testing | |
| # Global KANIKO Variables: | |
| # See: https://github.com/int128/kaniko-action | |
| # - KANIKO_BUILD_CONTEXT is the path to the location of the Containerfile. | |
| # - BASE_CONTAINERFILE_NAME is name and location of the Containerfile for base image with a /bin/bash entrypoint. | |
| # - GOREL_ENTRYP_CONTAINERFILE_NAME is name and location of the Containerfile form image with ENTRYPOINT [ "/go/bin/goreleaser" ] | |
| env: | |
| KANIKO_BUILD_CONTEXT: "${{ github.workspace }}" | |
| BASE_CONTAINERFILE_NAME: "${{ github.workspace }}/Containerfile.goreleaser-ko-cosign-trivy-syft-x86-arm64-root-usr.base" | |
| GOREL_ENTRYP_CONTAINERFILE_NAME: "${{ github.workspace }}/Containerfile.goreleaser-ko-cosign-trivy-syft-x86-arm64-root-usr" | |
| OCI_REGISTRY: "ghcr.io" # must be lowercase | |
| jobs: | |
| set-lowercase-repository: | |
| runs-on: ubuntu-latest | |
| outputs: | |
| lowercase-github-repository: ${{ steps.convert.outputs.lowercase }} | |
| steps: | |
| - name: Convert GitHub repository name to lowercase for OCI registry | |
| id: convert | |
| run: | | |
| echo "lowercase=$(echo '${{ github.repository }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT | |
| shell: bash | |
| show-lowercase-repository: | |
| needs: set-lowercase-repository | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Access lowercase GitHub repository name | |
| run: | | |
| echo "Original Repository: ${{ github.repository }}" | |
| echo "Lowercase Repository: ${{ needs.set-lowercase-repository.outputs.lowercase-github-repository }}" | |
| # Kaniko job to build a container image "goreleaser-glibc-image-base" has a /bin/bash entrypoint | |
| build-base-image: | |
| needs: set-lowercase-repository | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout source code | |
| uses: actions/checkout@v4 | |
| - name: Extract Tools Versions from Containerfile as we use this in tags names | |
| id: extract | |
| run: | | |
| # Extract values from the Containerfile | |
| GOLANG_VERSION=$(grep -m1 'ARG GOLANG_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "GOLANG_VERSION=${GOLANG_VERSION}" >> $GITHUB_OUTPUT | |
| GORELEASER_VERSION=$(grep -m1 'ARG GORELEASER_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "GORELEASER_VERSION=${GORELEASER_VERSION}" >> $GITHUB_OUTPUT | |
| TRIVY_VERSION=$(grep -m1 'ARG TRIVY_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "TRIVY_VERSION=${TRIVY_VERSION}" >> $GITHUB_OUTPUT | |
| COSIGN_VERSION=$(grep -m1 'ARG COSIGN_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "COSIGN_VERSION=${COSIGN_VERSION}" >> $GITHUB_OUTPUT | |
| KO_VERSION=$(grep -m1 'ARG KO_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "KO_VERSION=${KO_VERSION}" >> $GITHUB_OUTPUT | |
| SYFT_VERSION=$(grep -m1 'ARG SYFT_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "SYFT_VERSION=${SYFT_VERSION}" >> $GITHUB_OUTPUT | |
| DEBIAN_VERSION=$(grep -m1 'ARG DEBIAN_VERSION=' $BASE_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "DEBIAN_VERSION=${DEBIAN_VERSION}" >> $GITHUB_OUTPUT | |
| - uses: docker/login-action@v3 | |
| id: login | |
| with: | |
| registry: ${{ env.OCI_REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set OCI container image URL to Github output | |
| id: set-oci-image-url | |
| run: echo "OCI_IMAGE_URL=${{ env.OCI_REGISTRY }}/${{ needs.set-lowercase-repository.outputs.lowercase-github-repository }}-base" >> $GITHUB_OUTPUT | |
| - name: Container metadata and tags | |
| id: metadata | |
| uses: docker/metadata-action@v5 | |
| with: | |
| # image name may contain lowercase letters, digits and separators https://github.com/docker/metadata-action/tree/v5/?tab=readme-ov-file#image-name-and-tag-sanitization | |
| images: ${{ steps.set-oci-image-url.outputs.oci_image_url }} | |
| tags: | | |
| type=ref,event=branch | |
| # use tools version as tags | |
| type=raw,value=golang-${{ steps.extract.outputs.golang_version }} | |
| type=raw,value=goreleaser-${{ steps.extract.outputs.goreleaser_version }} | |
| type=raw,value=cosign-${{ steps.extract.outputs.cosign_version }} | |
| type=raw,value=ko-${{ steps.extract.outputs.ko_version }} | |
| type=raw,value=trivy-${{ steps.extract.outputs.trivy_version }} | |
| type=raw,value=syft-${{ steps.extract.outputs.syft_version }} | |
| type=raw,value=golang-${{ steps.extract.outputs.golang_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=goreleaser-${{ steps.extract.outputs.goreleaser_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=cosign-${{ steps.extract.outputs.cosign_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=ko-${{ steps.extract.outputs.ko_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=trivy-${{ steps.extract.outputs.trivy_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=syft-${{ steps.extract.outputs.syft_version }}-${{ steps.extract.outputs.debian_version}} | |
| # minimal (short sha) | |
| type=sha | |
| # full length sha | |
| type=sha,format=long | |
| - name: Build the OCI image (base image entrypoint /bin/bash) | |
| id: kaniko | |
| uses: int128/kaniko-action@v1 | |
| with: | |
| push: true | |
| tags: ${{ steps.metadata.outputs.tags }} | |
| labels: ${{ steps.metadata.outputs.labels }} | |
| cache: true | |
| cache-repository: ${{ env.OCI_REGISTRY }}/${{ needs.set-lowercase-repository.outputs.lowercase-github-repository }}/cache | |
| file: ${{ env.BASE_CONTAINERFILE_NAME }} | |
| context: ${{ env.KANIKO_BUILD_CONTEXT }} | |
| verbosity: "info" # https://github.com/GoogleContainerTools/kaniko#flag---verbosity | |
| outputs: | |
| oci-image-digest: ${{ steps.kaniko.outputs.digest }} | |
| oci-image-url: ${{ steps.set-oci-image-url.outputs.oci_image_url }} # needs to be lowercase | |
| # Job to build a SLSA provenance attestation | |
| base-image-provenance: | |
| name: Generate SLSA provenance attestation for OCI (base image entrypoint /bin/bash) | |
| needs: [build-base-image, set-lowercase-repository] # Ensure this job runs after build-base-image | |
| permissions: | |
| actions: read # for detecting the Github Actions environment. | |
| id-token: write # for creating OIDC tokens for signing. Required for SLSA and Cosign | |
| packages: write # for uploading attestations. (https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/container/README.md#known-issues) | |
| # Must be referenced by a tag. https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/container/README.md#referencing-the-slsa-generator | |
| uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.0.0 | |
| with: | |
| image: ${{ needs.build-base-image.outputs.oci-image-url }} # needs to be lowercase | |
| digest: ${{ needs.build-base-image.outputs.oci-image-digest }} | |
| secrets: | |
| registry-username: ${{ github.actor }} | |
| registry-password: ${{ secrets.GITHUB_TOKEN }} | |
| # Kaniko job to build a container image "goreleaser-glibc-image" that has a goreleaser entrypoint | |
| build-goreleaser-entryp-image: | |
| needs: [build-base-image, set-lowercase-repository] # Ensure this job runs after build-base-image | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout source code | |
| uses: actions/checkout@v4 | |
| - name: Extract Tools Versions from Containerfile as we use this in tags names | |
| id: extract | |
| run: | | |
| # Extract values from the Containerfile | |
| GOLANG_VERSION=$(grep -m1 'ARG GOLANG_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "GOLANG_VERSION=${GOLANG_VERSION}" >> $GITHUB_OUTPUT | |
| GORELEASER_VERSION=$(grep -m1 'ARG GORELEASER_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "GORELEASER_VERSION=${GORELEASER_VERSION}" >> $GITHUB_OUTPUT | |
| TRIVY_VERSION=$(grep -m1 'ARG TRIVY_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "TRIVY_VERSION=${TRIVY_VERSION}" >> $GITHUB_OUTPUT | |
| COSIGN_VERSION=$(grep -m1 'ARG COSIGN_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "COSIGN_VERSION=${COSIGN_VERSION}" >> $GITHUB_OUTPUT | |
| KO_VERSION=$(grep -m1 'ARG KO_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "KO_VERSION=${KO_VERSION}" >> $GITHUB_OUTPUT | |
| SYFT_VERSION=$(grep -m1 'ARG SYFT_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "SYFT_VERSION=${SYFT_VERSION}" >> $GITHUB_OUTPUT | |
| DEBIAN_VERSION=$(grep -m1 'ARG DEBIAN_VERSION=' $GOREL_ENTRYP_CONTAINERFILE_NAME | cut -d'=' -f2) | |
| echo "DEBIAN_VERSION=${DEBIAN_VERSION}" >> $GITHUB_OUTPUT | |
| - uses: docker/login-action@v3 | |
| id: login | |
| with: | |
| registry: ${{ env.OCI_REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set OCI container image URL to Github output | |
| id: set-oci-image-url | |
| run: echo "OCI_IMAGE_URL=${{ env.OCI_REGISTRY }}/${{ needs.set-lowercase-repository.outputs.lowercase-github-repository }}" >> $GITHUB_OUTPUT | |
| - name: Container metadata and tags | |
| id: metadata | |
| uses: docker/metadata-action@v5 | |
| with: | |
| # image name may contain lowercase letters, digits and separators https://github.com/docker/metadata-action/tree/v5/?tab=readme-ov-file#image-name-and-tag-sanitization | |
| images: ${{ steps.set-oci-image-url.outputs.oci_image_url }} | |
| tags: | | |
| type=ref,event=branch | |
| # use tools version as tags | |
| type=raw,value=golang-${{ steps.extract.outputs.golang_version }} | |
| type=raw,value=goreleaser-${{ steps.extract.outputs.goreleaser_version }} | |
| type=raw,value=cosign-${{ steps.extract.outputs.cosign_version }} | |
| type=raw,value=ko-${{ steps.extract.outputs.ko_version }} | |
| type=raw,value=trivy-${{ steps.extract.outputs.trivy_version }} | |
| type=raw,value=syft-${{ steps.extract.outputs.syft_version }} | |
| type=raw,value=golang-${{ steps.extract.outputs.golang_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=goreleaser-${{ steps.extract.outputs.goreleaser_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=cosign-${{ steps.extract.outputs.cosign_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=ko-${{ steps.extract.outputs.ko_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=trivy-${{ steps.extract.outputs.trivy_version }}-${{ steps.extract.outputs.debian_version}} | |
| type=raw,value=syft-${{ steps.extract.outputs.syft_version }}-${{ steps.extract.outputs.debian_version}} | |
| # minimal (short sha) | |
| type=sha | |
| # full length sha | |
| type=sha,format=long | |
| - name: Build the OCI image | |
| id: kaniko | |
| uses: int128/kaniko-action@v1 | |
| with: | |
| push: true | |
| tags: ${{ steps.metadata.outputs.tags }} | |
| labels: ${{ steps.metadata.outputs.labels }} | |
| cache: true | |
| cache-repository: ${{ env.OCI_REGISTRY }}/${{ needs.set-lowercase-repository.outputs.lowercase-github-repository }}/cache | |
| file: ${{ env.GOREL_ENTRYP_CONTAINERFILE_NAME }} | |
| context: ${{ env.KANIKO_BUILD_CONTEXT }} | |
| verbosity: "info" # https://github.com/GoogleContainerTools/kaniko#flag---verbosity | |
| outputs: | |
| oci-image-digest: ${{ steps.kaniko.outputs.digest }} | |
| oci-image-url: ${{ steps.set-oci-image-url.outputs.oci_image_url }} # needs to be lowercase | |
| goreleaser-entryp-image-provenance: | |
| name: Generate SLSA provenance attestation for OCI (entrypoint goreleaser) | |
| needs: [build-goreleaser-entryp-image] # Ensure this job runs after build-base-image | |
| permissions: | |
| actions: read # for detecting the Github Actions environment. | |
| id-token: write # for creating OIDC tokens for signing. Required for SLSA and Cosign | |
| packages: write # for uploading attestations. (https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/container/README.md#known-issues) | |
| # Must be referenced by a tag. https://github.com/slsa-framework/slsa-github-generator/blob/main/internal/builders/container/README.md#referencing-the-slsa-generator | |
| uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.0.0 | |
| with: | |
| image: ${{ needs.build-goreleaser-entryp-image.outputs.oci-image-url }} # needs to be lowercase | |
| digest: ${{ needs.build-goreleaser-entryp-image.outputs.oci-image-digest }} | |
| secrets: | |
| registry-username: ${{ github.actor }} | |
| registry-password: ${{ secrets.GITHUB_TOKEN }} |