146 lines
6.3 KiB
YAML
146 lines
6.3 KiB
YAML
name: Deploy to K3s
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on:
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push:
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branches:
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- main # Or your default branch
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env:
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# Set your image name, adjust if your GitHub username/org is different from the repo owner
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# Or if your repo name is not what you want for the image name.
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IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/${{ github.event.repository.name }}
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K8S_NAMESPACE: aprs-app
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jobs:
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build-and-push-image:
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runs-on: ubuntu-latest
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permissions:
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contents: read
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packages: write # Needed to push to GHCR
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steps:
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- name: Tailscale
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uses: tailscale/github-action@v3
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with:
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oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
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oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
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use-cache: "true"
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- name: Checkout code
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uses: actions/checkout@v4
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- name: Set up QEMU
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uses: docker/setup-qemu-action@v3
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- name: Set up Docker Buildx
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id: buildx
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uses: docker/setup-buildx-action@v3
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- name: Login to GitHub Container Registry
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uses: docker/login-action@v3
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Extract metadata (tags, labels) for Docker
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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.IMAGE_NAME }}
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tags: |
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type=sha,prefix=
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type=raw,value=latest,enable={{is_default_branch}}
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- name: Build and push Docker image
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uses: docker/build-push-action@v5
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with:
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context: .
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push: true
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tags: ${{ steps.meta.outputs.tags }}
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labels: ${{ steps.meta.outputs.labels }}
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cache-from: type=gha
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cache-to: type=gha,mode=max
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deploy-to-k3s:
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runs-on: ubuntu-latest
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needs: build-and-push-image
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if: github.ref == 'refs/heads/main' # Only deploy from main branch
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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: Set up Kubeconfig
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uses: azure/setup-kubectl@v3 # A popular action for kubectl
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# Alternatively, can do this manually:
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# run: |
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# mkdir -p $HOME/.kube
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# echo "${{ secrets.KUBE_CONFIG_DATA }}" | base64 -d > $HOME/.kube/config
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# chmod 600 $HOME/.kube/config
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- name: Install Kustomize (optional, but good for managing overlays)
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run: |-
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curl -s "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh" | bash
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sudo mv kustomize /usr/local/bin/
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# If not using kustomize, this step can be removed.
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# For now, we'll use kubectl apply -f directly for simplicity.
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- name: Substitute Image Tag in Kubernetes Manifest
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run: |
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# The meta step outputs tags like: ghcr.io/owner/repo:sha-xxxxxxx,ghcr.io/owner/repo:latest
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# We need to pick the SHA-based tag.
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# github.sha gives the commit SHA, which is perfect for a specific tag.
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ACTUAL_IMAGE_NAME_WITH_TAG="${{ env.IMAGE_NAME }}:${{ github.sha }}"
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echo "Using image: $ACTUAL_IMAGE_NAME_WITH_TAG"
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# Create a temporary deployment file for substitution
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cp k8s/app-deployment.yaml k8s/app-deployment-processed.yaml
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# Replace placeholder image in the processed file
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# Using a different delimiter for sed due to slashes in image name
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sed -i "s|your-ghcr-username/aprs-app:latest|$ACTUAL_IMAGE_NAME_WITH_TAG|g" k8s/app-deployment-processed.yaml
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# Ensure initContainer is also updated (duplicate sed command is fine, ensures both are hit if structure changes)
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sed -i "s|your-ghcr-username/aprs-app:latest|$ACTUAL_IMAGE_NAME_WITH_TAG|g" k8s/app-deployment-processed.yaml
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- name: Apply Kubernetes manifests
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env:
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KUBE_CONFIG_DATA: ${{ secrets.KUBE_CONFIG_DATA }} # Pass secret to env for kubectl if not using azure/setup-kubectl
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run: |
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# Ensure Kubeconfig is set up if not using an action
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if [ ! -f "$HOME/.kube/config" ] && [ -n "$KUBE_CONFIG_DATA" ]; then
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mkdir -p $HOME/.kube
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echo "$KUBE_CONFIG_DATA" | base64 -d > $HOME/.kube/config
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chmod 600 $HOME/.kube/config
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echo "Kubeconfig set up manually."
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elif [ ! -f "$HOME/.kube/config" ] && [ -z "$KUBE_CONFIG_DATA" ] && [ -z "$(kubectl config current-context 2>/dev/null)" ]; then
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echo "Kubeconfig not found. KUBE_CONFIG_DATA secret is not set or empty, and no context is set by azure/setup-kubectl."
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exit 1
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fi
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# Apply namespace first
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kubectl apply -f k8s/namespace.yaml
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# Apply secrets if a real one exists (checking for secrets.yaml, not secrets.yaml.example)
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# This assumes you will create the actual secrets.yaml in a secure way or it's handled by another process.
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# For this automated workflow, we'll only apply if the example isn't the only one.
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# A better way is to manage actual secrets outside the repo & this flow.
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# For now, we expect secrets to be pre-applied or managed via a more secure mechanism.
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# So, we will NOT apply secrets.yaml.example here. The user must ensure secrets are present.
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echo "Ensuring secrets are present in namespace ${{ env.K8S_NAMESPACE }}. This workflow does not apply them directly from a .example file."
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# Apply other resources
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kubectl apply -f k8s/postgres-pvc.yaml --namespace=${{ env.K8S_NAMESPACE }}
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# It's good practice to check if a resource exists before applying or use --overwrite, but apply usually handles this.
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# For sensitive or stateful things like Postgres, ensure your strategy for updates is clear.
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kubectl apply -f k8s/postgres-deployment.yaml --namespace=${{ env.K8S_NAMESPACE }}
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kubectl apply -f k8s/postgres-service.yaml --namespace=${{ env.K8S_NAMESPACE }}
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# Apply the processed app deployment
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kubectl apply -f k8s/app-deployment-processed.yaml --namespace=${{ env.K8S_NAMESPACE }}
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kubectl apply -f k8s/app-service.yaml --namespace=${{ env.K8S_NAMESPACE }}
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echo "Deployment to K3s initiated."
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# Optional: Wait for rollout to complete
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# kubectl rollout status deployment/aprs-app-deployment --namespace=${{ env.K8S_NAMESPACE }} --timeout=120s
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