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ci: add cosign image signing with Vault Transit #29

ci: add cosign image signing with Vault Transit

ci: add cosign image signing with Vault Transit #29

Workflow file for this run

name: CI
on:
pull_request:
branches: [main]
push:
branches: [main]
tags: ['v*']
workflow_dispatch:
env:
# Registries
GHCR_REGISTRY: ghcr.io
HARBOR_REGISTRY: ps-registry.pack-test.net
# Image names
HARBOR_IMAGE: suite-epargne/se-api
GHCR_IMAGE: pack-solutions/se-api
JAVA_VERSION: '21'
jobs:
# ==============================================================================
# Job 1: Tests (runs on PRs and pushes)
# ==============================================================================
test:
name: Tests
runs-on: ubuntu-latest
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Setup JDK 21
uses: actions/setup-java@v4
with:
distribution: 'temurin'
java-version: ${{ env.JAVA_VERSION }}
cache: 'gradle'
- name: Setup Gradle
uses: gradle/actions/setup-gradle@v3
with:
gradle-version: wrapper
- name: Run Unit Tests
run: ./gradlew test --no-daemon --parallel
- name: Run Integration Tests
run: ./gradlew integrationTest --no-daemon --parallel
- name: Publish Test Results
if: always()
uses: EnricoMi/publish-unit-test-result-action@v2
with:
files: |
**/build/test-results/test/TEST-*.xml
**/build/test-results/integrationTest/TEST-*.xml
check_name: 'Test Results'
# ==============================================================================
# Job 2: Build and Push Docker Image (only on push to main or tags)
# ==============================================================================
build:
name: Build & Push Image
runs-on: ubuntu-latest
needs: [test]
if: github.event_name == 'push'
permissions:
contents: read
packages: write
outputs:
harbor_tag: ${{ steps.meta.outputs.harbor_primary_tag }}
ghcr_tag: ${{ steps.meta.outputs.ghcr_tag }}
build_type: ${{ steps.meta.outputs.build_type }}
steps:
- name: Checkout code
uses: actions/checkout@v4
- name: Generate image metadata
id: meta
run: |
SHA_SHORT="${GITHUB_SHA::7}"
TIMESTAMP=$(date -u +%Y%m%d)
# Extract version from gradle.properties for GHCR
GHCR_VERSION=$(grep '^version=' gradle.properties | cut -d'=' -f2)
if [[ "$GITHUB_REF" == refs/tags/v* ]]; then
# Release tag - use semver for Harbor
SEMVER="${GITHUB_REF#refs/tags/v}"
HARBOR_PRIMARY_TAG="${SEMVER}"
HARBOR_TAGS="${SEMVER},${SHA_SHORT}"
BUILD_TYPE="release"
else
# Push to main - use timestamp-sha for Harbor
HARBOR_PRIMARY_TAG="${TIMESTAMP}-${SHA_SHORT}"
HARBOR_TAGS="${TIMESTAMP}-${SHA_SHORT},${SHA_SHORT}"
BUILD_TYPE="dev"
fi
echo "harbor_primary_tag=${HARBOR_PRIMARY_TAG}" >> $GITHUB_OUTPUT
echo "harbor_tags=${HARBOR_TAGS}" >> $GITHUB_OUTPUT
echo "ghcr_tag=${GHCR_VERSION}" >> $GITHUB_OUTPUT
echo "sha_short=${SHA_SHORT}" >> $GITHUB_OUTPUT
echo "build_type=${BUILD_TYPE}" >> $GITHUB_OUTPUT
echo "## Image Tags" >> $GITHUB_STEP_SUMMARY
echo "- **Build Type:** ${BUILD_TYPE}" >> $GITHUB_STEP_SUMMARY
echo "- **Harbor Primary:** ${HARBOR_PRIMARY_TAG}" >> $GITHUB_STEP_SUMMARY
echo "- **GHCR:** ${GHCR_VERSION}" >> $GITHUB_STEP_SUMMARY
- name: Setup JDK 21
uses: actions/setup-java@v4
with:
distribution: 'temurin'
java-version: ${{ env.JAVA_VERSION }}
cache: 'gradle'
- name: Build application JAR
run: ./gradlew assembly:buildFatJar --no-daemon --parallel -x test
# GHCR login disabled - Harbor only for now
# - name: Log in to GHCR
# id: ghcr_login
# continue-on-error: true
# run: |
# echo "${{ secrets.GHCR_PAT }}" | docker login ${{ env.GHCR_REGISTRY }} -u "${{ github.actor }}" --password-stdin
- name: Build Docker image
run: |
docker build \
--build-arg APP_VERSION=${{ steps.meta.outputs.harbor_primary_tag }} \
--build-arg BUILD_DATE=${{ github.event.head_commit.timestamp }} \
--build-arg VCS_REF=${{ github.sha }} \
-t ${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }} \
-t ${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.sha_short }} \
-f ./Dockerfile .
- name: Install skopeo and cosign
run: |
sudo apt-get update && sudo apt-get install -y skopeo
# Install cosign
COSIGN_VERSION="v2.4.1"
curl -sLO "https://github.com/sigstore/cosign/releases/download/${COSIGN_VERSION}/cosign-linux-amd64"
chmod +x cosign-linux-amd64
sudo mv cosign-linux-amd64 /usr/local/bin/cosign
cosign version
- name: Push to Harbor with skopeo
run: |
# Push primary tag (direct daemon→registry, no tarball)
skopeo copy --dest-creds "${{ secrets.HARBOR_USERNAME }}:${{ secrets.HARBOR_PASSWORD }}" \
docker-daemon:${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }} \
docker://${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }}
# Push sha short tag
skopeo copy --dest-creds "${{ secrets.HARBOR_USERNAME }}:${{ secrets.HARBOR_PASSWORD }}" \
docker-daemon:${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.sha_short }} \
docker://${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.sha_short }}
# GHCR push disabled - Harbor only for now
# - name: Tag and push to GHCR (backup)
# if: steps.ghcr_login.outcome == 'success'
# run: |
# docker tag ${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }} \
# ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_IMAGE }}:${{ steps.meta.outputs.ghcr_tag }}
# docker push ${{ env.GHCR_REGISTRY }}/${{ env.GHCR_IMAGE }}:${{ steps.meta.outputs.ghcr_tag }}
- name: Get image digest
id: digest
run: |
DIGEST=$(skopeo inspect --creds "${{ secrets.HARBOR_USERNAME }}:${{ secrets.HARBOR_PASSWORD }}" \
docker://${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }} \
| jq -r '.Digest')
echo "digest=${DIGEST}" >> $GITHUB_OUTPUT
echo "Image digest: ${DIGEST}"
- name: Authenticate to Vault
uses: hashicorp/vault-action@v3
with:
url: ${{ secrets.VAULT_ADDR }}
method: approle
roleId: ${{ secrets.VAULT_ROLE_ID }}
secretId: ${{ secrets.VAULT_SECRET_ID }}
exportToken: true
- name: Sign image with cosign
env:
VAULT_ADDR: ${{ secrets.VAULT_ADDR }}
VAULT_TOKEN: ${{ env.VAULT_TOKEN }}
TRANSIT_SECRET_ENGINE_PATH: operator-transit
run: |
IMAGE_REF="${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}@${{ steps.digest.outputs.digest }}"
echo "Signing image: ${IMAGE_REF}"
cosign sign --yes \
--key hashivault://cosign-key \
--registry-username "${{ secrets.HARBOR_USERNAME }}" \
--registry-password "${{ secrets.HARBOR_PASSWORD }}" \
"${IMAGE_REF}"
echo "Image signed successfully"
- name: Summary
run: |
echo "## Build Summary" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "### Harbor (Primary)" >> $GITHUB_STEP_SUMMARY
echo "- \`${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.harbor_primary_tag }}\`" >> $GITHUB_STEP_SUMMARY
echo "- \`${{ env.HARBOR_REGISTRY }}/${{ env.HARBOR_IMAGE }}:${{ steps.meta.outputs.sha_short }}\`" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "### Signing" >> $GITHUB_STEP_SUMMARY
echo "- **Digest:** \`${{ steps.digest.outputs.digest }}\`" >> $GITHUB_STEP_SUMMARY
echo "- **Signed with:** Vault Transit (cosign-key)" >> $GITHUB_STEP_SUMMARY
echo "" >> $GITHUB_STEP_SUMMARY
echo "**Commit:** \`${{ github.sha }}\`" >> $GITHUB_STEP_SUMMARY