humocs-manandGitHub
d5ae4f45d7
Updated GitHub Actions workflow to optimize image building and signing process.
183 lines
7.3 KiB
YAML
183 lines
7.3 KiB
YAML
name: Build container image
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on:
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pull_request:
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branches:
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- main
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schedule:
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- cron: '05 12 * * 2,5'
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# push:
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#branches:
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#- main
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#paths-ignore:
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# - '**/README.md'
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workflow_dispatch:
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env:
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IMAGE_DESC: "Custom Fedora bootc image"
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IMAGE_NAME: "${{ github.event.repository.name }}" # output image name, usually same as repo name
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IMAGE_REGISTRY: "ghcr.io/${{ github.repository_owner }}" # do not edit
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DEFAULT_TAG: "stable"
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref || github.run_id }}
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cancel-in-progress: true
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jobs:
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build_push:
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name: Build and push image
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runs-on: ubuntu-24.04
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permissions:
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contents: read
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packages: write
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id-token: write
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steps:
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- name: Prepare environment
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run: |
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# Lowercase the image uri
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echo "IMAGE_REGISTRY=${IMAGE_REGISTRY,,}" >> ${GITHUB_ENV}
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echo "IMAGE_NAME=${IMAGE_NAME,,}" >> ${GITHUB_ENV}
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# These stage versions are pinned by https://github.com/renovatebot/renovate
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- name: Checkout
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uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v5
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- name: Mount BTRFS for podman storage
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id: container-storage-action
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uses: ublue-os/container-storage-action@911baca08baf30c8654933e9e9723cb399892140 # main
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continue-on-error: true
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with:
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target-dir: /var/lib/containers
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mount-opts: compress-force=zstd:2
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- name: Image Metadata
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uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf # v5
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id: metadata
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with:
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tags: |
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type=raw,value=${{ env.DEFAULT_TAG }}
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type=raw,value=${{ env.DEFAULT_TAG }}.{{date 'YYYYMMDD'}}
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type=raw,value={{date 'YYYYMMDD'}}
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type=sha,enable=${{ github.event_name == 'pull_request' }}
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type=ref,event=pr
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labels: |
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org.opencontainers.image.created={{date 'YYYY-MM-DDTHH:mm:ssZ'}}
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org.opencontainers.image.description=${{ env.IMAGE_DESC }}
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org.opencontainers.image.documentation=https://raw.githubusercontent.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/${{ github.sha }}/README.md
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org.opencontainers.image.source=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/blob/${{ github.sha }}/Containerfile
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org.opencontainers.image.title=${{ env.IMAGE_NAME }}
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org.opencontainers.image.url=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/tree/${{ github.sha }}
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org.opencontainers.image.vendor=${{ github.repository_owner }}
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org.opencontainers.image.version=${{ env.DEFAULT_TAG }}.{{date 'YYYYMMDD'}}
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containers.bootc=1
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sep-tags: " "
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sep-annotations: " "
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- name: Cache buildah layers
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uses: actions/cache@v5
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with:
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path: |
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/var/lib/containers/storage/overlay
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~/.cache/buildah
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/tmp/.buildah-cache
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key: ${{ runner.os }}-${{ github.workflow }}-${{ hashFiles('Containerfile') }}-${{ github.ref }}
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restore-keys: |
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${{ runner.os }}-${{ github.workflow }}-${{ hashFiles('Containerfile') }}-
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- name: Build Image
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id: build_image
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uses: redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2
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with:
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containerfiles: |
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./Containerfile
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image: ${{ env.IMAGE_NAME }}
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tags: ${{ env.DEFAULT_TAG }}
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labels: ${{ steps.metadata.outputs.labels }}
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oci: true
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# --- CHUNKAH OPTIMIERUNG ---
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- name: Apply chunkah optimization
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id: chunkah
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run: |
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set -x
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BASE_IMAGE="${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
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# Rootfs extrahieren
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CONTAINER_ID=$(podman create $BASE_IMAGE)
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mkdir -p ./chunkah-in ./chunkah-out
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podman export $CONTAINER_ID | tar -xf - -C ./chunkah-in
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podman rm $CONTAINER_ID
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# Original-Konfiguration sichern
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podman inspect $BASE_IMAGE --format '{{json .Config}}' > ./chunkah-config.json
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# Chunkah-Lauf (Nutzt nativ ZSTD für die Chunks)
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podman run --rm \
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-v ./chunkah-in:/inputs:z \
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-v ./chunkah-out:/outputs:z \
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-v ./chunkah-config.json:/config.json:z \
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quay.io/coreos/chunkah:latest \
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build \
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--config /config.json \
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--prune /sysroot/ \
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--max-layers 128 \
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--compressed \
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--output /outputs/image.ociarchive \
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/inputs
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# Altes Image löschen, um Platz zu machen und Eindeutigkeit beim Laden zu sichern
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podman rmi $BASE_IMAGE
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podman load -i ./chunkah-out/image.ociarchive
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# Eindeutige ID-Zuweisung des frisch geladenen Images (schließt das Chunkah-Image aus)
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IMAGE_ID=$(podman images --filter "dangling=true" --format "{{.ID}}" | head -n 1)
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if [ -z "$IMAGE_ID" ]; then
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IMAGE_ID=$(podman images --format "{{.ID}} {{.Repository}}" | grep -v "chunkah" | head -n 1 | awk '{print $1}')
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fi
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podman tag $IMAGE_ID $BASE_IMAGE
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- name: Tag for registry
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run: |
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for tag in ${{ steps.metadata.outputs.tags }}; do
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podman tag ${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }} ${{ env.IMAGE_NAME }}:$tag
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done
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# Login to GitHub Container Registry
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- name: Login to GitHub Container Registry
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uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v3
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if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Push To GHCR
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uses: redhat-actions/push-to-registry@5ed88d269cf581ea9ef6dd6806d01562096bee9c # v2
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if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
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id: push
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env:
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REGISTRY_USER: ${{ github.actor }}
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REGISTRY_PASSWORD: ${{ github.token }}
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with:
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registry: ${{ env.IMAGE_REGISTRY }}
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image: ${{ env.IMAGE_NAME }}
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tags: ${{ steps.metadata.outputs.tags }}
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username: ${{ env.REGISTRY_USER }}
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password: ${{ env.REGISTRY_PASSWORD }}
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# Erzwingt die Beibehaltung und Kompression der Layer als ZSTD beim Push in die Registry
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extra-args: --compression-format=zstd --compression-level=5
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- name: Install Cosign
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uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
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if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
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- name: Sign container image
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if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
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run: |
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# Statisches Signing basierend auf dem unveränderlichen SHA256-Digest des Push-Schritts
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cosign sign -y --key env://COSIGN_PRIVATE_KEY "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.push.outputs.digest }}"
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env:
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COSIGN_EXPERIMENTAL: false
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COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
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