CUDA_Build1.yaml

name: CUDA Build1

on:
  workflow_dispatch:  # Manually trigger the workflow
#on:
#  push:
#    branches:
#      - main
#  pull_request:
#    branches:
#      - main

permissions:
      id-token: write
      contents: read
 
jobs:
  build:
    runs-on: ubuntu-latest

    services:
      nn_backend:
        image: nvidia/cuda:12.2.2-devel-ubuntu22.04
        ports:
          - "8080:8080"
        options: --privileged  # Required for GPU access
        env:
          NVIDIA_VISIBLE_DEVICES: all

    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Azure Login
        uses: azure/login@v2
        with: 
          client-id: ${{ secrets.AZURE_CLIENT_ID }}
          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}

      - name: Login to Azure Container Registry
        uses: azure/docker-login@v1
        with:
          login-server: test1repo.azurecr.io
          username: ${{ secrets.ACR_USERNAME }}
          password: ${{ secrets.ACR_PASSWORD }}
 
 
      - id: check-aks
        name: Check if AKS Cluster exists
        uses: azure/CLI@v2
        with:
          azcliversion: latest
          inlineScript: |
            result=$(az aks show --resource-group my_test --name myAKSCluster 2>/dev/null | jq -r '.id')
            exit_code=$?
            if [ $exit_code -ne 0 ]; then
              echo "Error executing az aks show command. Exit code: $exit_code"
              echo "Error message: $result"
              echo "::error::Error executing az aks show command. Exit code: $exit_code"
              exit $exit_code
            fi

            if [[ -z "$result" || "$result" == *"ResourceNotFound"* ]]; then
              echo "cluster_exists=false" >> $GITHUB_OUTPUT
            else
              echo "cluster_exists=true" >> $GITHUB_OUTPUT
            fi

      - name: Create AKS Cluster
        uses: azure/CLI@v2
        with:
          azcliversion: latest
          inlineScript: |
            if [ "${{steps.check-aks.outputs.cluster_exists}}" != "true" ]; then 
            az aks create --resource-group my_test --name myAKSCluster --node-count 1   --node-vm-size Standard_NV6ads_A10_v5 --enable-cluster-autoscaler --min-count 1 --max-count 1 --max-pods 30 --location centralindia --kubernetes-version 1.28.5  --generate-ssh-keys  
            else
              echo "AKS cluster is present"
            fi
 
      - name: Get AKS Credentials
        uses: azure/CLI@v2
        with:
          azcliversion: latest
          inlineScript: |
            if [ "${{steps.check-aks.outputs.cluster_exists}}" != "true" ]; then
              AKS_ID=$(az aks show --resource-group my_test --name myAKSCluster --query id -o tsv)
              az role assignment create --role "AcrPull" --assignee ${{ secrets.AZURE_CLIENT_ID }} --scope $AKS_ID > /dev/null
              az aks update --resource-group my_test --name myAKSCluster --attach-acr test1repo > /dev/null
            fi
            az account set --subscription ${{ secrets.AZURE_SUBSCRIPTION_ID }}
            az aks get-credentials --resource-group my_test --name myAKSCluster --overwrite-existing
      
      - name: Build and deploy nn_backend
        run: | 
          docker build ./NN_backend -t test1repo.azurecr.io/nn_backend:${GITHUB_RUN_NUMBER}
          docker push test1repo.azurecr.io/nn_backend:${GITHUB_RUN_NUMBER}

      - name: Build and deploy react_app
        run: |
          docker build ./react_app -t test1repo.azurecr.io/react_app:${GITHUB_RUN_NUMBER}
          docker push test1repo.azurecr.io/react_app:${GITHUB_RUN_NUMBER}

      - uses: azure/setup-kubectl@v3
      - uses: azure/aks-set-context@v2.0
        with:
          resource-group: my_test
          cluster-name: myAKSCluster


      - name: Deploy NVIDIA DaemonSet to AKS 
        run: |
            if [ "${{steps.check-aks.outputs.cluster_exists}}" != "true" ]; then 
              cd k8s
              kubectl create namespace gpu-resources
              kubectl apply -f nvidia-device-plugin-ds.yaml
            fi
           
            
      - name: Replace placeholders in Kubernetes YAML files
        run: |
          cd k8s 
          sed -i "s|image: test1repo.azurecr.io/react_app:\$imageTag|image: test1repo.azurecr.io/react_app:${GITHUB_RUN_NUMBER}|" react_app_Deployment.yaml
          sed -i "s|image: test1repo.azurecr.io/nn_backend:\$imageTag|image: test1repo.azurecr.io/nn_backend:${GITHUB_RUN_NUMBER}|" nn_backend_Deployment.yaml
        #  kubectl set image -f deployment.template.yml  react-app=test1repo.azurecr.io/react_app:$imageTag --local -o yaml > react_app_Deployment.yaml
        #  sed -i 's|${{ github.run_number }}|'"$GITHUB_RUN_NUMBER"'|g' react_app_Deployment.yaml
        #  echo "github.run_number ${{ github.run_number }} "

      - name: Deploy APP to AKS 
        run: |
            cd k8s
            kubectl apply -f nn_backend_Service.yaml -f nn_backend_Deployment.yaml
            kubectl apply -f react_app_Deployment.yaml -f react_app_Service.yaml