repo.yml

name: Repo

on: push

env:
  NODE_VERSION: 18.x
  AWS_DEFAULT_REGION: us-east-1
  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
  CLUSTER_NAME: formio-gh-runner
  TASK_DEF_NAME: task-defintion-gh-actions

## Jobs
jobs:
  runner:
    if: true
    runs-on: ubuntu-latest
    steps:
      - name: Install awscli
        run: |
          ls ${{ github.workspace }}
          sudo apt-get update
          sudo apt install -y awscli
      - name: Check for existing runner
        run: |
          # Check if a task for the given Task Definition is already running in the specified Cluster
          EXISTING_TASKS=$(aws ecs list-tasks --region $AWS_DEFAULT_REGION --cluster $CLUSTER_NAME --family $TASK_DEF_NAME --query 'taskArns' --output text)
          
          if [ ! -z "$EXISTING_TASKS" ]; then
              echo "A task for the Task Definition: $TASK_DEF_NAME is already running in the Cluster: $CLUSTER_NAME."
          else
              # Fetch the first available subnet in the region
              SUBNETS=$(aws ec2 describe-subnets --region $AWS_DEFAULT_REGION --query 'Subnets[0].SubnetId' --output text)

              # Optionally, fetch the first available security group in the region
              SEC_GROUPS=$(aws ec2 describe-security-groups --region $AWS_DEFAULT_REGION --query 'SecurityGroups[0].GroupId' --output text)

              echo "Using Subnet: $SUBNETS"
              echo "Using Security Group: $SEC_GROUPS"

              aws ecs run-task \
              --region $AWS_DEFAULT_REGION \
              --cluster $CLUSTER_NAME \
              --task-definition $TASK_DEF_NAME \
              --launch-type FARGATE \
              --network-configuration "awsvpcConfiguration={subnets=[$SUBNETS],securityGroups=[$SEC_GROUPS],assignPublicIp=ENABLED}"

              sleep 40
          fi

  setup:
    needs: runner
    runs-on: self-hosted
    steps:
      - run: echo "Triggered by ${{ github.event_name }} event."

      - name: Check out repository code ${{ github.repository }} on ${{ github.ref }}
        uses: actions/checkout@v3

      - name: Set up SSH key
        uses: webfactory/ssh-agent@v0.7.0
        with:
          ssh-private-key: ${{ secrets.SSH_KEY }}

      - name: Set up Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'

      - name: Cache node modules
        uses: actions/cache@v3
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Installing dependencies
        if: steps.cache.outputs.cache-hit != 'true'
        uses: borales/actions-yarn@v4
        with:
          cmd: install --frozen-lockfile

  build:
    needs: setup
    runs-on: self-hosted
    steps:
      - name: Check out repository code ${{ github.repository }} on ${{ github.ref }}
        uses: actions/checkout@v3

      - name: Set up Node.js ${{ env.NODE_VERSION }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'

      - name: Restore node modules from cache
        uses: actions/cache@v3
        with:
          path: node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - name: Build
        uses: borales/actions-yarn@v4
        with:
          cmd: build

  stop:
    needs: [runner, setup, build]
    runs-on: ubuntu-latest
    if: always()
    # if: false
    steps:
      - name: Stop running tasks
        run: |
          # List running tasks for the specific Task Definition and Cluster
          TASKS=$(aws ecs list-tasks --region $AWS_DEFAULT_REGION --cluster $CLUSTER_NAME --family $TASK_DEF_NAME --query 'taskArns' --output text)

          if [ -z "$TASKS" ]; then
              echo "No tasks found to stop for the Task Definition: $TASK_DEF_NAME in the Cluster: $CLUSTER_NAME"
              exit 1
          fi
          # Stop each task found for the provided Task Definition and Cluster
          for TASK_ARN in $TASKS; do
              echo "Stopping task: $TASK_ARN"
              aws ecs stop-task --region $AWS_DEFAULT_REGION --cluster $CLUSTER_NAME --task $TASK_ARN
          done

          echo "All tasks have been stopped for the Task Definition: $TASK_DEF_NAME in the Cluster: $CLUSTER_NAME"