cd-dev.yaml

name: Deploy to Development

concurrency:
  group: dev-${{ github.ref }}
  cancel-in-progress: true

on:
  workflow_dispatch:
    inputs:
      ttl:
        description: "Deployment time to live in hours"
        required: true
        type: number
        default: 24

jobs:
  compute-sha:
    name: Compute sha_short
    runs-on: ubuntu-latest
    outputs:
      sha_short: ${{ steps.vars.outputs.sha_short }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set vars
        id: vars
        run: |
          echo "sha_short=$(git rev-parse --short ${{ github.sha }})" >> $GITHUB_OUTPUT

  build-push:
    name: Build and Push Images and Charts
    needs: [compute-sha]
    uses: ./.github/workflows/cd.yaml
    with:
      image_tag: ${{ needs.compute-sha.outputs.sha_short }}
      chart_ver: 0.1.0-dev.${{ needs.compute-sha.outputs.sha_short }}
    secrets: inherit

  limit-deploy:
    name: SSH and Limit Deployments
    runs-on: ubuntu-latest
    steps:
      - name: SSH and Check Deployments
        uses: appleboy/ssh-action@v1.2.0
        with:
          host: ${{ secrets.SSH_HOST }}
          username: ${{ secrets.SSH_USERNAME }}
          key: ${{ secrets.SSH_KEY }}
          script: |
            set -e  # Exit immediately if a command fails

            # Get bt-dev-app- deployments sorted by creation timestamp
            deployments=$(kubectl get deployments \
              --namespace=bt \
              --sort-by='.metadata.creationTimestamp' \
              -o custom-columns=":metadata.name,:metadata.creationTimestamp" | grep '^bt-dev-app') || true
            deployment_count=$(echo "$deployments" | wc -l)
            
            # Check if deployment count > 16 (2 per deployment)
            if [ "$deployment_count" -gt 16 ]; then
              echo "Too many deployments. Deleting the oldest deployment."

              # Get oldest deployment from first line of deployments
              oldest_deployment=$(echo "$deployments" | head -n 1 | grep -o '^bt-dev-app-[a-f0-9]\{7\}')

              # Delete deployment
              kubectl delete deployment "${oldest_deployment}-frontend" --namespace=bt
              kubectl delete deployment "${oldest_deployment}-backend" --namespace=bt
            else
              echo "Deployment count is <= 16."
            fi
            
  deploy:
    name: SSH and Deploy
    needs: [compute-sha, build-push]
    uses: ./.github/workflows/deploy.yaml
    with:
      environment: development
      name: bt-dev-app-${{ needs.compute-sha.outputs.sha_short }}
      version: 0.1.0-dev.${{ needs.compute-sha.outputs.sha_short }}
      values: |
        env: dev
        ttl: ${{ inputs.ttl }}
        frontend:
          image:
            tag: ${{ needs.compute-sha.outputs.sha_short }}
        backend:
          image:
            tag: ${{ needs.compute-sha.outputs.sha_short }}
        host: ${{ needs.compute-sha.outputs.sha_short }}.dev.stanfurdtime.com
        mongoUri: mongodb://bt-dev-mongo-mongodb.bt.svc.cluster.local:27017/bt
        redisUri: redis://bt-dev-redis-master.bt.svc.cluster.local:6379
    secrets: inherit