48 lines
1.8 KiB
YAML
48 lines
1.8 KiB
YAML
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name: 'Setup BuildKit (with labels)'
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description: 'Idempotently start a labeled buildkitd container and point buildx at it via the remote driver. The default docker-container driver cannot set container labels, and the Docker API has no PATCH-labels for existing containers — so we manage the container ourselves and Watchtower/Dockhand see the labels.'
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inputs:
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container_name:
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description: 'Name of the buildkitd container'
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required: false
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default: 'buildkitd'
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image:
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description: 'BuildKit image'
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required: false
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default: 'moby/buildkit:buildx-stable-1'
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monitor_only:
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description: 'Value for com.centurylinklabs.watchtower.monitor-only'
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required: false
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default: 'false'
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dockhand_notify:
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description: 'Value for dockhand.notify'
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required: false
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default: 'false'
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cleanup:
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description: 'Stop the buildkitd container after the job (only for single-job runners; leave false on shared runners — concurrent jobs may be using it)'
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required: false
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default: 'false'
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runs:
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using: 'composite'
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steps:
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- name: Start BuildKit container (with labels)
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shell: bash
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run: |
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docker ps -a --format '{{.Names}}' | grep -qx '${{ inputs.container_name }}' || \
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docker run -d --name ${{ inputs.container_name }} --privileged \
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--restart unless-stopped \
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--label com.centurylinklabs.watchtower.monitor-only=${{ inputs.monitor_only }} \
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--label dockhand.notify=${{ inputs.dockhand_notify }} \
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${{ inputs.image }}
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- name: Set up Docker Buildx
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uses: docker/setup-buildx-action@v4
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with:
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driver: remote
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endpoint: docker-container://${{ inputs.container_name }}
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- name: Stop BuildKit (idle cleanup)
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if: ${{ inputs.cleanup == 'true' && always() }}
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shell: bash
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run: docker stop ${{ inputs.container_name }} || true
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