Update-Flux #32
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| name: Update-Flux | |
| on: | |
| workflow_dispatch: | |
| schedule: | |
| - cron: "0 0 * * 1" # Run at 12:00 AM every Monday | |
| jobs: | |
| update-flux: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2 | |
| - name: Setup Flux CLI | |
| uses: fluxcd/flux2/action@main | |
| with: | |
| version: "latest" | |
| - name: Update Flux | |
| run: flux install --export > ./kubernetes/infra/flux/gotk-components.yaml | |
| - name: Install Required Tools | |
| run: | | |
| sudo apt-get update | |
| sudo apt-get install -y jq | |
| curl -L https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64 -o /usr/local/bin/yq | |
| chmod +x /usr/local/bin/yq | |
| - name: Pin Docker Image Tags to Digests | |
| run: | | |
| FILE="./kubernetes/infra/flux/gotk-components.yaml" | |
| TMP_FILE="./kubernetes/infra/flux/gotk-components.tmp.yaml" | |
| # Read the YAML file line by line | |
| while IFS= read -r line; do | |
| # Match lines with Docker images in the format: image: ghcr.io/fluxcd/source-controller:v1.4.1 | |
| if [[ "$line" =~ image:\ ([^:]+):([a-zA-Z0-9_.-]+)$ ]]; then | |
| IMAGE="${BASH_REMATCH[1]}" | |
| TAG="${BASH_REMATCH[2]}" | |
| # Fetch the digest using skopeo | |
| DIGEST=$(skopeo inspect --no-tags docker://$IMAGE:$TAG | jq -r '.Digest') | |
| # Ensure the digest was successfully retrieved | |
| if [[ -n "$DIGEST" ]]; then | |
| # Create the new image string with the digest | |
| PINNED_IMAGE="$IMAGE:$TAG@$DIGEST" | |
| # Replace the line with the pinned image format | |
| line="image: $PINNED_IMAGE" | |
| else | |
| echo "Failed to fetch digest for $IMAGE:$TAG" >&2 | |
| fi | |
| fi | |
| echo "$line" >> "$TMP_FILE" | |
| done < "$FILE" | |
| # Replace the original file with the updated file | |
| mv "$TMP_FILE" "$FILE" | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Commit and Push Changes | |
| id: commit | |
| run: | | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| git config user.name "github-actions[bot]" | |
| if [ -n "$(git status --porcelain)" ]; then | |
| git add . | |
| git commit -m "Pin Docker image tags to digests" | |
| git checkout -b gh-actions/flux-update | |
| git push --set-upstream origin gh-actions/flux-update | |
| echo "changes=true" >> $GITHUB_OUTPUT | |
| else | |
| echo "No changes to commit." | |
| echo "changes=false" >> $GITHUB_OUTPUT | |
| fi | |
| shell: bash | |
| - name: Create Pull Request | |
| if: steps.commit.outputs.changes == 'true' | |
| run: gh pr create -B master -H gh-actions/flux-update --title 'Update Flux with Pinned Digests' --body 'Updates flux components using Flux CLI and pins Docker image tags to digests' | |
| env: | |
| GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} |