|
| 1 | +name: Build Docker Image |
| 2 | +description: Builds and pushes the app image for a Control Plane workload |
| 3 | + |
| 4 | +inputs: |
| 5 | + app_name: |
| 6 | + description: Name of the application |
| 7 | + required: true |
| 8 | + org: |
| 9 | + description: Control Plane organization name |
| 10 | + required: true |
| 11 | + commit: |
| 12 | + description: Commit SHA to tag the image with |
| 13 | + required: true |
| 14 | + pr_number: |
| 15 | + description: Pull request number for status messaging |
| 16 | + required: false |
| 17 | + docker_build_extra_args: |
| 18 | + description: Optional newline-delimited extra docker build tokens. Use key=value forms like --build-arg=FOO=bar. |
| 19 | + required: false |
| 20 | + docker_build_ssh_key: |
| 21 | + description: Optional private SSH key used for Docker builds that fetch private dependencies with RUN --mount=type=ssh |
| 22 | + required: false |
| 23 | + docker_build_ssh_known_hosts: |
| 24 | + description: Optional SSH known_hosts entries used with docker_build_ssh_key. Defaults to pinned GitHub.com host keys. |
| 25 | + required: false |
| 26 | + |
| 27 | +outputs: |
| 28 | + image_tag: |
| 29 | + description: Fully qualified image tag |
| 30 | + value: ${{ steps.build.outputs.image_tag }} |
| 31 | + |
| 32 | +runs: |
| 33 | + using: composite |
| 34 | + steps: |
| 35 | + - name: Build Docker image |
| 36 | + id: build |
| 37 | + shell: bash |
| 38 | + env: |
| 39 | + APP_NAME: ${{ inputs.app_name }} |
| 40 | + COMMIT: ${{ inputs.commit }} |
| 41 | + DOCKER_BUILD_EXTRA_ARGS: ${{ inputs.docker_build_extra_args }} |
| 42 | + DOCKER_BUILD_SSH_KEY: ${{ inputs.docker_build_ssh_key }} |
| 43 | + DOCKER_BUILD_SSH_KNOWN_HOSTS: ${{ inputs.docker_build_ssh_known_hosts }} |
| 44 | + ORG: ${{ inputs.org }} |
| 45 | + PR_NUMBER: ${{ inputs.pr_number }} |
| 46 | + run: | |
| 47 | + set -euo pipefail |
| 48 | +
|
| 49 | + PR_INFO="" |
| 50 | + docker_build_args=() |
| 51 | +
|
| 52 | + if [[ -n "$PR_NUMBER" ]]; then |
| 53 | + PR_INFO=" for PR #${PR_NUMBER}" |
| 54 | + fi |
| 55 | +
|
| 56 | + if [[ -n "$DOCKER_BUILD_EXTRA_ARGS" ]]; then |
| 57 | + while IFS= read -r arg; do |
| 58 | + arg="${arg%$'\r'}" |
| 59 | + [[ -n "${arg}" ]] || continue |
| 60 | +
|
| 61 | + if [[ "${arg}" =~ [[:space:]] ]]; then |
| 62 | + echo "docker_build_extra_args entries must be single docker-build tokens. " \ |
| 63 | + "Use key=value forms like --build-arg=FOO=bar." >&2 |
| 64 | + exit 1 |
| 65 | + fi |
| 66 | +
|
| 67 | + docker_build_args+=("${arg}") |
| 68 | + done <<< "$DOCKER_BUILD_EXTRA_ARGS" |
| 69 | + fi |
| 70 | +
|
| 71 | + if [[ -n "$DOCKER_BUILD_SSH_KEY" ]]; then |
| 72 | + mkdir -p ~/.ssh |
| 73 | + chmod 700 ~/.ssh |
| 74 | +
|
| 75 | + if [[ -n "$DOCKER_BUILD_SSH_KNOWN_HOSTS" ]]; then |
| 76 | + printf '%s\n' "$DOCKER_BUILD_SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts |
| 77 | + else |
| 78 | + cat <<'EOF' > ~/.ssh/known_hosts |
| 79 | + github.com ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOMqqnkVzrm0SdG6UOoqKLsabgH5C9okWi0dh2l9GKJl |
| 80 | + github.com ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBEmKSENjQEezOmxkZMy7opKgwFB9nkt5YRrYMjNuG5N87uRgg6CLrbo5wAdT/y6v0mKV0U2w0WZ2YB/++Tpockg= |
| 81 | + github.com ssh-rsa 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 |
| 82 | + EOF |
| 83 | + fi |
| 84 | +
|
| 85 | + chmod 600 ~/.ssh/known_hosts |
| 86 | +
|
| 87 | + eval "$(ssh-agent -s)" |
| 88 | + trap 'ssh-agent -k >/dev/null' EXIT |
| 89 | + ssh-add - <<< "$DOCKER_BUILD_SSH_KEY" |
| 90 | + unset DOCKER_BUILD_SSH_KEY |
| 91 | + docker_build_args+=("--ssh=default") |
| 92 | + fi |
| 93 | +
|
| 94 | + echo "🏗️ Building Docker image${PR_INFO} (commit ${COMMIT})..." |
| 95 | + cpflow build-image -a "$APP_NAME" --commit="$COMMIT" --org="$ORG" "${docker_build_args[@]}" |
| 96 | +
|
| 97 | + image_tag="${ORG}/${APP_NAME}:${COMMIT}" |
| 98 | + echo "image_tag=${image_tag}" >> "$GITHUB_OUTPUT" |
| 99 | + echo "✅ Docker image build successful${PR_INFO} (commit ${COMMIT})" |
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