Update build workflow to use Skopeo
Refactor build workflow to use Skopeo for image pushing and signing.
This commit is contained in:
humocs-man
+37
-45
@@ -9,8 +9,8 @@ on:
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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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IMAGE_NAME: "${{ github.event.repository.name }}"
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IMAGE_REGISTRY: "ghcr.io/${{ github.repository_owner }}"
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DEFAULT_TAG: "stable"
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concurrency:
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@@ -95,6 +95,10 @@ jobs:
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set -x
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BASE_IMAGE="${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
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# 1. Das kritische ostree-Label im Runner sichern, bevor wir das Image zerlegen
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OSTREE_DIFFID=$(podman inspect $BASE_IMAGE --format '{{index .Config.Labels "ostree.final-diffid"}}' 2>/dev/null || echo "")
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echo "OSTREE_DIFFID=$OSTREE_DIFFID" >> $GITHUB_ENV
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# Rootfs extrahieren
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CONTAINER_ID=$(podman create $BASE_IMAGE)
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mkdir -p ./chunkah-in ./chunkah-out
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@@ -104,15 +108,7 @@ jobs:
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# Die komplette Image-Config sichern
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podman inspect $BASE_IMAGE --format '{{json .Config}}' > ./chunkah-config.json
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# Das kritische ostree-Label explizit auslesen, falls vorhanden
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OSTREE_DIFFID=$(podman inspect $BASE_IMAGE --format '{{index .Config.Labels "ostree.final-diffid"}}' 2>/dev/null || echo "")
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# Chunkah-Lauf: Annotation explizit übergeben
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ANNOTATION_ARG=""
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if [ ! -z "$OSTREE_DIFFID" ]; then
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ANNOTATION_ARG="--annotation ostree.final-diffid=$OSTREE_DIFFID"
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fi
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# Chunkah-Lauf
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podman run --rm \
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-v ./chunkah-in:/inputs:z \
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-v ./chunkah-out:/outputs:z \
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@@ -120,31 +116,12 @@ jobs:
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quay.io/coreos/chunkah:latest \
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build \
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--config /config.json \
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$ANNOTATION_ARG \
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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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--rootfs /inputs
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# WIEDER EINGEFÜGT: Das OCI-Archiv in Podman laden, damit die Action es findet
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podman rmi $BASE_IMAGE || true
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podman load -i ./chunkah-out/image.ociarchive
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# Image sauber taggen
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IMAGE_ID=$(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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# WIEDER EINGEFÜGT: Die restlichen Tags für Datum, etc. lokal erzeugen
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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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- 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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@@ -153,21 +130,35 @@ jobs:
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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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- name: Push to GHCR via Skopeo
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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: ${{ env.REGISTRY_PASSWORD }}
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# KORREKTUR: "image-archive" entfernt, da ungültig.
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extra-args: --compression-format=zstd --compression-level=5
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run: |
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set -x
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# Skopeo-Authentisierung über die Docker-Config des vorherigen Login-Schritts laden
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export REGISTRY_AUTH_FILE=$HOME/.docker/config.json
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REGISTRY_PATH="${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}"
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# Vorbereitung für das Injezieren des Labels in die OCI Config auf der Registry
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PATCH_ARG=""
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if [ ! -z "${{ env.OSTREE_DIFFID }}" ]; then
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# Erstellt das exakte JSON-Fragment, das Skopeo in die Image-Config patcht
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PATCH_ARG="--patch-config {\"config\":{\"Labels\":{\"ostree.final-diffid\":\"${{ env.OSTREE_DIFFID }}\"}}}"
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fi
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# Loop über alle von metadata-action generierten Tags
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for tag in ${{ steps.metadata.outputs.tags }}; do
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skopeo copy \
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$PATCH_ARG \
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--dest-compress-format=zstd \
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--dest-compress-level=5 \
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oci-archive:./chunkah-out/image.ociarchive \
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docker://$REGISTRY_PATH:$tag
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done
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# Den finalen Digest ermitteln und für den nächsten Schritt in GITHUB_ENV schreiben
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DIGEST=$(skopeo inspect oci-archive:./chunkah-out/image.ociarchive --format '{{.Digest}}')
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echo "FINAL_IMAGE_DIGEST=$DIGEST" >> $GITHUB_ENV
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- name: Install Cosign
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uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2
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@@ -176,7 +167,8 @@ jobs:
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- name: Sign container image
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if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
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run: |
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cosign sign -y --key env://COSIGN_PRIVATE_KEY "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ steps.push.outputs.digest }}"
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# Nutzt den über Skopeo ermittelten Digest für das statische Signieren
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cosign sign -y --key env://COSIGN_PRIVATE_KEY "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}@${{ env.FINAL_IMAGE_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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