GitHub Action for Helm Deployment (#39)

Author: stark-cybertech

.github/workflows/build_application.yml

@@ -0,0 +1,21 @@
+# This workflow runs tests, builds, and publishes the images. It performs no deployment.
+# It runs on all branches when code is pushed to ensure tests pass and images are available for testing purposes.
+name: Build & Test Meet@Mensa
+
+# Run on all branches except main
+on:
+  push:
+    branches-ignore:
+      - main
+
+jobs:
+
+  # Run tests (unimplemented)
+  # test:
+  #   name: Run Tests
+  #   uses: ./.github/workflows/test_application.yml
+
+  # Call the docker_build workflow to build and publish images
+  build:
+    name: Build & Publish Images
+    uses: ./.github/workflows/docker_build.yml

.github/workflows/deploy_application.yml

@@ -0,0 +1,35 @@
+# This workflow builds and publishes the images, then deploys them to the Kubernetes cluster.
+# It runs only when code is pushed to the main branch, and is thus considered ready for production.
+name: Deploy Meet@Mensa
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+
+jobs:
+
+  # Run tests (unimplemented)
+  # test:
+  #   name: Run Tests
+  #   uses: ./.github/workflows/test_application.yml
+
+  # Call the docker_build workflow to build and publish images
+  build:
+    name: Build & Publish Images
+    uses: ./.github/workflows/docker_build.yml
+
+  # Call the kubernetes_deploy workflow to deploy to Rancher
+  deploy_kubernetes:
+    name: Deploy to Kubernetes Cluster
+    needs: build # wait for build to complete before running
+    uses: ./.github/workflows/kubernetes_deploy.yml
+    secrets: # Pass KUBECONFIG to called workflow
+      KUBECONFIG: ${{ secrets.KUBECONFIG }}
+
+  # Call the aws_deploy workflow to deploy to AWS
+  # deploy_aws:
+  #  name: Deploy to AWS
+  #  needs: build
+  #  uses: ./.github/workflows/aws_deploy.yml

.github/workflows/docker_build.yml

@@ -1,19 +1,22 @@
 # This workflow should build docker images every time code is pushed to the repository
-name: Build Docker Images
+name: Build and Publish Docker Images
 
+# This workflow is triggered only when called by another workflow
 on:
-  push:
+  workflow_call:
 
-# List of jobs to be run
 jobs:
 
   build:
     name: Build Docker Images
     runs-on: ubuntu-latest
-    strategy: # Use a matrix strategy to run the build process for all our containers
+
+    # Use a matrix strategy to run the build process for all our containers
+    strategy:
       matrix:
         # Add any future services relative paths from . here
         service: [client, server/chat, server/gateway, server/matching, server/user, genai]
+    
     steps:
 
       # Use pre-existing action to login to GHCR.io

.github/workflows/kubernetes_deploy.yml

@@ -0,0 +1,44 @@
+# This workflow should deploy meet@mensa to the chair's Rancher Kubernetes cluster every time code is pushed into main branch
+name: Deploy to Kubernetes Cluster
+
+# This workflow is triggered only when called by another workflow
+on:
+  workflow_call:
+
+    # Pass KUBECONFIG as a secret
+    secrets:
+      KUBECONFIG:
+        required: true
+
+jobs:
+
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+
+    # Checkout git repo
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    # Use Azure's kubectl installation action
+    - name: Install Kubectl
+      uses: azure/setup-kubectl@v4
+      with:
+        version: latest
+
+    # Use Azure's helm installation action
+    - name: Install Helm
+      uses: azure/[email protected]
+      with:
+        version: latest
+
+    # Copy the details of Kubeconfig to enable authentication with the Rancher cluster
+    - name: Load Kubeconfig
+      run: |
+        mkdir -p ~/.kube
+        printf "%s" "${{ secrets.KUBECONFIG }}" > ~/.kube/config
+
+    # Run helm upgrade to upgrade deployment
+    - name: Upgrade Deployment with Helm
+      run: |
+        helm upgrade --install meetatmensa ./deployment/k8s -n devoops