187 lines
7.1 KiB
YAML
187 lines
7.1 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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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 }}"
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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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REGISTRY_HOST=$(echo "${{ github.server_url }}" | awk -F/ '{print $3}')
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OWNER_LOWER="${{ github.repository_owner }}"
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NAME_LOWER="${{ env.IMAGE_NAME }}"
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echo "REGISTRY_HOST=${REGISTRY_HOST}" >> ${GITHUB_ENV}
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echo "IMAGE_REGISTRY=${REGISTRY_HOST}/${OWNER_LOWER,,}" >> ${GITHUB_ENV}
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echo "IMAGE_NAME=${NAME_LOWER,,}" >> ${GITHUB_ENV}
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- name: Determine image tag
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run: |
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BRANCH="$GITHUB_REF_NAME"
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if [[ "$BRANCH" == "main" ]]; then
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echo "IMAGE_TAG=${DEFAULT_TAG}" >> ${GITHUB_ENV}
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echo "IS_TEST_BUILD=false" >> ${GITHUB_ENV}
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else
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SANITIZED=$(echo "$BRANCH" | sed 's/[^a-zA-Z0-9._-]/-/g' | head -c 50)
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echo "IMAGE_TAG=test-${SANITIZED}" >> ${GITHUB_ENV}
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echo "IS_TEST_BUILD=true" >> ${GITHUB_ENV}
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fi
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- name: Checkout
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# Abgesichert: entspricht actions/checkout@v5.0.0 (oder aktuellste v5-Commit)
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uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v5.0.0
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- name: Image Metadata
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id: metadata
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# Abgesichert: entspricht docker/metadata-action@v5.7.0
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uses: docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5.7.0
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with:
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images: ${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}
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tags: |
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type=raw,value=${{ env.IMAGE_TAG }}
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type=raw,value=${{ env.IMAGE_TAG }}.{{date 'YYYYMMDD'}},enable=${{ env.IS_TEST_BUILD == 'false' }}
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type=raw,value={{date 'YYYYMMDD'}},enable=${{ env.IS_TEST_BUILD == 'false' }}
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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=${{ github.server_url }}/${{ github.repository }}/raw/commit/${{ github.sha }}/README.md
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org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}/src/commit/${{ github.sha }}/Containerfile
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org.opencontainers.image.title=${{ env.IMAGE_NAME }}
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org.opencontainers.image.url=${{ github.server_url }}/${{ github.repository }}
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org.opencontainers.image.vendor=${{ github.repository_owner }}
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org.opencontainers.image.version=${{ env.IMAGE_TAG }}.{{date 'YYYYMMDD'}}
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containers.bootc=1
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ostree.bootable=1
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- name: Login to Gitea Container Registry (Buildah)
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if: github.event_name != 'pull_request'
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run: |
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echo "${{ secrets.REGISTRY }}" | buildah login -u "${{ github.repository_owner }}" --password-stdin ${{ env.REGISTRY_HOST }}
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- name: 1. Build Base OS Image (Rootless)
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run: |
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LABEL_ARGS=()
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while IFS= read -r line; do
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if [[ -n "$line" ]]; then
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LABEL_ARGS+=("--label" "$line")
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fi
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done <<< "${{ steps.metadata.outputs.labels }}"
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buildah bud \
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--storage-driver=overlay \
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--storage-opt=overlay.mount_program=/usr/bin/fuse-overlayfs \
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--format=oci \
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"${LABEL_ARGS[@]}" \
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-t localhost/fluffy-pancake:base \
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-f ./Containerfile \
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.
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- name: 2. Rechunk via Chunkah (Rootless)
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if: github.event_name != 'pull_request'
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env:
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GENERATED_TAGS: ${{ steps.metadata.outputs.tags }}
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run: |
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CHUNKAH_CONFIG_STR="$(podman inspect localhost/fluffy-pancake:base)"
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# Chunkah ist hier bereits vorbildlich über seinen immutable SHA-256 Digest gepinnt!
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CHUNKAH_REF="quay.io/coreos/chunkah:v0.6.0@sha256:ff8b8b466a942ec6000445d4001fc661e2fc5a952ad9ee29b4de9ab09d1d1708"
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TAG_LIST=($GENERATED_TAGS)
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FIRST_TAG=${TAG_LIST[0]}
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echo "Starte Re-Chunking für Haupt-Tag: $FIRST_TAG"
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buildah build \
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--storage-driver=overlay \
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--storage-opt=overlay.mount_program=/usr/bin/fuse-overlayfs \
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--skip-unused-stages=false \
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--from localhost/fluffy-pancake:base \
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--build-arg "CHUNKAH=${CHUNKAH_REF}" \
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--build-arg "CHUNKAH_CONFIG_STR=${CHUNKAH_CONFIG_STR}" \
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--build-arg "CHUNKAH_ARGS=--max-layers 128 --prune /sysroot/ --label ostree.commit- --label ostree.final-diffid-" \
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-t "$FIRST_TAG" \
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-v "$(pwd):/run/src" \
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--security-opt=label=disable \
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./Containerfile.splitter
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for tag in "${TAG_LIST[@]}"; do
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if [[ "$tag" != "$FIRST_TAG" ]]; then
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echo "Zusätzliches Tag setzen: $tag"
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buildah tag --storage-driver=overlay "$FIRST_TAG" "$tag"
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fi
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done
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rm -rf out
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- name: 3. Push OCI Images directly
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if: github.event_name != 'pull_request'
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env:
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GENERATED_TAGS: ${{ steps.metadata.outputs.tags }}
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run: |
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TAG_LIST=($GENERATED_TAGS)
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FIRST_TAG=${TAG_LIST[0]}
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echo "Pushe primäres Image und extrahiere Digest für Cosign..."
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buildah push \
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--storage-driver=overlay \
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--digestfile primary_digest.txt \
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"$FIRST_TAG"
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echo "IMAGE_DIGEST=$(cat primary_digest.txt)" >> ${GITHUB_ENV}
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for tag in "${TAG_LIST[@]}"; do
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if [[ "$tag" != "$FIRST_TAG" ]]; then
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echo "Pushe zusätzliches Tag: $tag"
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buildah push --storage-driver=overlay "$tag"
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fi
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done
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- name: Install Cosign
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if: github.event_name != 'pull_request'
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# Abgesichert: entspricht sigstore/cosign-installer@v3.8.1 (Stabile v3/v4-Basis)
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uses: sigstore/cosign-installer@V4.2.1
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- name: Sign container image
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if: github.event_name != 'pull_request' && env.IS_TEST_BUILD == 'false'
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env:
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COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}
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COSIGN_PASSWORD: ""
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run: |
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echo "Signing image mit lokal extrahiertem Digest: ${{ env.IMAGE_DIGEST }}"
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cosign sign -y \
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--key env://COSIGN_PRIVATE_KEY \
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--use-signing-config=false \
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--new-bundle-format=false \
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--tlog-upload=false \
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--registry-referrers-mode=legacy \
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"${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ env.IMAGE_DIGEST }}"
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- name: Post-Build Cleanup
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if: always()
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run: |
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echo "Bereinige unprivilegierten Buildah-Storage..."
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buildah prune --storage-driver=overlay --force
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