build.yml

# This is a basic workflow to help you get started with Actions

name: CI

# Controls when the action will run. 
on: [push, workflow_dispatch]

env: 
  PROJECT_ID: ${{ secrets.GKE_PROJECT }}
  GKE_CLUSTER: cluster-1 
  GKE_ZONE: europe-west2-a
  DEPLOYMENT_NAME: ${{ github.event.repository.name }}
  IMAGE: ${{ github.event.repository.name }}

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to DockerHub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Build and push
        id: docker_build
        uses: docker/build-push-action@v2
        with:
          push: true
          tags: funzo69/${{ github.event.repository.name }}:${{ github.sha }}

      - uses: actions/checkout@v2
            # start of the google stuff
      - uses: google-github-actions/setup-gcloud@master
        with:
          version: '290.0.1'
          service_account_key: ${{ secrets.GKE_SA_KEY }}
          project_id: ${{ secrets.GKE_PROJECT }}

      # Configure Docker to use the gcloud command-line tool as a credential
      # helper for authentication
      - run: |-
          gcloud --quiet auth configure-docker
      # Get the GKE credentials so we can deploy to the cluster
      - run: |-
          gcloud container clusters get-credentials "$GKE_CLUSTER" --zone "$GKE_ZONE"
        
      - name: Set up Kustomize & Deploy
        run: |-
          cd devops
          curl -sfLo kustomize https://github.com/kubernetes-sigs/kustomize/releases/download/v3.1.0/kustomize_3.1.0_linux_amd64
          chmod u+x ./kustomize
          ./kustomize edit set image PROJECT_ID/IMAGE:TAG=funzo69/$IMAGE:${{github.sha}}
          ./kustomize build . | kubectl apply -f -
          kubectl rollout status deployment/$DEPLOYMENT_NAME
          kubectl get services -o wide