Mayne0213
6bf3bff394
- Install kubectl if not available - Setup kubeconfig from K3s - Verify cluster access
294 lines
11 KiB
YAML
294 lines
11 KiB
YAML
name: Build Docker Image
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on:
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push:
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branches: [main, develop]
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tags:
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- 'v*'
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workflow_dispatch:
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env:
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REGISTRY: gitea0213.kro.kr
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IMAGE_NAME: ${{ github.repository }}
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jobs:
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build-and-push:
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runs-on: ubuntu-24.04-arm
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permissions:
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contents: write
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packages: write
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outputs:
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image-tag: ${{ steps.meta.outputs.tags }}
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image-digest: ${{ steps.build.outputs.digest }}
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steps:
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Install kubectl
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run: |
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if ! command -v kubectl &> /dev/null; then
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curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/arm64/kubectl"
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chmod +x kubectl
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sudo mv kubectl /usr/local/bin/
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fi
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kubectl version --client
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- name: Setup kubeconfig
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run: |
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mkdir -p $HOME/.kube
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sudo cat /etc/rancher/k3s/k3s.yaml > $HOME/.kube/config
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chmod 600 $HOME/.kube/config
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export KUBECONFIG=$HOME/.kube/config
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kubectl get nodes
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- name: Lowercase repository name
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id: lowercase
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run: |
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echo "repo=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
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- name: Extract metadata (tags, labels)
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id: meta
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uses: docker/metadata-action@v5
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with:
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images: ${{ env.REGISTRY }}/${{ steps.lowercase.outputs.repo }}
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tags: |
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type=ref,event=branch
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type=ref,event=pr
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type=semver,pattern={{version}}
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type=semver,pattern={{major}}.{{minor}}
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type=sha,prefix={{branch}}-sha-,format=long
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type=raw,value=latest,enable={{is_default_branch}}
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- name: Create Kaniko build context
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run: |
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# Create tar.gz of build context
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tar czf /tmp/build-context.tar.gz -C services/nextjs .
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# Create namespace if not exists
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sudo kubectl get namespace kaniko-builds 2>/dev/null || sudo kubectl create namespace kaniko-builds
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# Create/update registry credentials secret
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sudo kubectl create secret docker-registry kaniko-registry-creds \
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--docker-server=${{ env.REGISTRY }} \
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--docker-username=bluemayne \
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--docker-password=${{ secrets.GITEAREGISTRY }} \
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--namespace=kaniko-builds \
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--dry-run=client -o yaml | sudo kubectl apply -f -
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- name: Build and push with Kaniko on Kubernetes
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id: build
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run: |
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TAGS="${{ steps.meta.outputs.tags }}"
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# Prepare destination arguments
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DESTINATIONS=""
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while IFS= read -r tag; do
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DESTINATIONS="$DESTINATIONS --destination=$tag"
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done <<< "$TAGS"
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# Create temporary pod name
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POD_NAME="kaniko-build-${{ github.run_number }}-$(date +%s)"
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# Create Kaniko Job
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cat <<EOF | sudo kubectl apply -f -
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: ${POD_NAME}-context
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namespace: kaniko-builds
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data:
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Dockerfile: |
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$(sed 's/^/ /' deploy/docker/Dockerfile.prod)
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---
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apiVersion: batch/v1
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kind: Job
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metadata:
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name: ${POD_NAME}
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namespace: kaniko-builds
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spec:
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ttlSecondsAfterFinished: 600
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backoffLimit: 0
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template:
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spec:
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restartPolicy: Never
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initContainers:
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- name: prepare-context
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image: alpine:latest
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command: ["/bin/sh", "-c"]
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args:
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- |
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apk add --no-cache git
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git clone https://gitea0213.kro.kr/${{ github.repository }}.git /workspace/repo
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cd /workspace/repo
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git checkout ${{ github.sha }}
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cp -r services/nextjs/* /workspace/build/
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volumeMounts:
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- name: workspace
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mountPath: /workspace
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containers:
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- name: kaniko
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image: gcr.io/kaniko-project/executor:latest
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args:
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- --context=/workspace/build
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- --dockerfile=/workspace/Dockerfile
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- --cache=true
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- --cache-repo=${{ env.REGISTRY }}/${{ steps.lowercase.outputs.repo }}/cache
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- --compressed-caching=false
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- --snapshot-mode=redo
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- --use-new-run
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$DESTINATIONS
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volumeMounts:
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- name: workspace
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mountPath: /workspace
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- name: dockerfile
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mountPath: /workspace/Dockerfile
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subPath: Dockerfile
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- name: docker-config
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mountPath: /kaniko/.docker
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volumes:
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- name: workspace
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emptyDir: {}
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- name: dockerfile
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configMap:
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name: ${POD_NAME}-context
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- name: docker-config
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secret:
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secretName: kaniko-registry-creds
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items:
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- key: .dockerconfigjson
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path: config.json
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EOF
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# Wait for job to complete
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echo "Waiting for Kaniko job to complete..."
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sudo kubectl wait --for=condition=complete --timeout=600s job/${POD_NAME} -n kaniko-builds || {
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echo "Job failed or timed out. Showing logs:"
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POD=$(sudo kubectl get pods -n kaniko-builds -l job-name=${POD_NAME} -o jsonpath='{.items[0].metadata.name}')
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sudo kubectl logs -n kaniko-builds ${POD} --all-containers=true || true
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sudo kubectl delete job ${POD_NAME} -n kaniko-builds || true
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sudo kubectl delete configmap ${POD_NAME}-context -n kaniko-builds || true
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exit 1
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}
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echo "✅ Image built successfully"
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echo "digest=unknown" >> $GITHUB_OUTPUT
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# Cleanup
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sudo kubectl delete job ${POD_NAME} -n kaniko-builds || true
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sudo kubectl delete configmap ${POD_NAME}-context -n kaniko-builds || true
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- name: Extract SHA tag
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id: extract-tag
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run: |
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# Extract the SHA-based tag from the tags list
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TAGS="${{ steps.meta.outputs.tags }}"
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echo "All tags:"
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echo "$TAGS"
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echo "---"
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# Get commit SHA (full 40 characters)
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COMMIT_SHA="${{ github.sha }}"
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# Get current branch name
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BRANCH_NAME="${{ github.ref_name }}"
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echo "Branch: $BRANCH_NAME"
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# Method 1: Extract the full SHA tag from docker/metadata-action output
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# docker/metadata-action creates: <branch>-sha-<full-40-char-sha>
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SHA_TAG=$(echo "$TAGS" | grep -oE "${BRANCH_NAME}-sha-[a-f0-9]{40}" | head -n 1)
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# Method 2: If not found, try to extract any branch-sha- tag (fallback)
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if [ -z "$SHA_TAG" ]; then
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SHA_TAG=$(echo "$TAGS" | grep -oE "${BRANCH_NAME}-sha-[a-f0-9]+" | head -n 1)
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if [ -n "$SHA_TAG" ]; then
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echo "⚠️ Found SHA tag (may not be full 40 chars): $SHA_TAG"
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fi
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fi
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# Method 3: Fallback to commit SHA directly (construct the tag)
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if [ -z "$SHA_TAG" ]; then
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SHA_TAG="${BRANCH_NAME}-sha-$COMMIT_SHA"
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echo "⚠️ Could not extract from tags, using commit SHA: $SHA_TAG"
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fi
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if [ -z "$SHA_TAG" ]; then
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echo "❌ ERROR: Failed to extract SHA tag"
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exit 1
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fi
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echo "sha-tag=$SHA_TAG" >> $GITHUB_OUTPUT
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echo "✅ Extracted SHA tag: $SHA_TAG"
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- name: Update kustomization with new image tag
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env:
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GITEA_TOKEN: ${{ secrets.GITEAREGISTRYTOKEN }}
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run: |
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git config --global user.name "gitea-actions[bot]"
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git config --global user.email "gitea-actions[bot]@users.noreply.gitea.com"
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# Validate that SHA_TAG is not empty
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SHA_TAG="${{ steps.extract-tag.outputs.sha-tag }}"
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if [ -z "$SHA_TAG" ]; then
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echo "❌ ERROR: SHA_TAG is empty, cannot update kustomization"
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exit 1
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fi
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# Determine overlay based on branch
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BRANCH_NAME="${{ github.ref_name }}"
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if [ "$BRANCH_NAME" = "main" ]; then
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OVERLAY="prod"
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elif [ "$BRANCH_NAME" = "develop" ]; then
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OVERLAY="dev"
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else
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echo "⚠️ Unknown branch: $BRANCH_NAME, skipping kustomization update"
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exit 0
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fi
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KUSTOMIZATION_FILE="deploy/k8s/overlays/$OVERLAY/kustomization.yaml"
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# Check if kustomization file has images section
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if grep -q "images:" "$KUSTOMIZATION_FILE"; then
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echo "📝 Updating $KUSTOMIZATION_FILE with tag: $SHA_TAG"
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# Update kustomization.yaml with new image tag
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# Handle both cases: newTag: (with value) and newTag: (empty)
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sed -i.bak "s|newTag:.*|newTag: $SHA_TAG|" "$KUSTOMIZATION_FILE"
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# Verify the update was successful
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if grep -q "newTag: $SHA_TAG" "$KUSTOMIZATION_FILE"; then
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echo "✅ Successfully updated kustomization.yaml"
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rm -f "$KUSTOMIZATION_FILE.bak"
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else
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echo "❌ ERROR: Failed to update kustomization.yaml"
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cat "$KUSTOMIZATION_FILE"
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exit 1
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fi
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# Commit and push if there are changes
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if git diff --quiet; then
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echo "No changes to commit"
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else
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git add "$KUSTOMIZATION_FILE"
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git commit -m "Update $OVERLAY image to $SHA_TAG"
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git push
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echo "✅ Kustomization updated with new image tag: $SHA_TAG"
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fi
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else
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echo "ℹ️ $OVERLAY overlay uses base image (latest tag), skipping kustomization update"
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echo " Image built with tag: $SHA_TAG"
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fi
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- name: Display image information
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run: |
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echo "✅ Image built and pushed successfully!"
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echo "📦 Image tags:"
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echo "${{ steps.meta.outputs.tags }}"
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echo "🔖 SHA tag: ${{ steps.extract-tag.outputs.sha-tag }}"
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echo "🔖 Digest: ${{ steps.build.outputs.digest }}"
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echo ""
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echo "🚀 Kustomization updated with new image tag"
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echo " ArgoCD will automatically detect and deploy this new image"
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echo " Monitor deployment at your ArgoCD dashboard"
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