terraform_test_deploy.yml

name: Terraform deploy to a fresh microk8s model
on:
  pull_request:
    branches:
      - '**'
    paths:
      - 'frontend/charm/**'
      - 'backend/charm/**'
  pull_request_review:
    on:
      pull_request_review:
        types:
          - submitted
      paths:
        - 'frontend/charm/**'
        - 'backend/charm/**'
        - 'terraform/**'
  push:
    branches: ["main"]
    tags: ["v*.*.*"]
  workflow_dispatch:

jobs:
  deploy:
    name: terraform deploy + upgrade charms
    # if: github.event.review.state == 'APPROVED'
    runs-on: [self-hosted, jammy, xlarge]

    defaults:
      run:
        working-directory: ./terraform

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

      - name: Set up Terraform dependencies
        run: |
          sudo apt-get update
          sudo apt-get install unzip

      - name: Set up terraform
        uses: hashicorp/setup-terraform@v1

      - name: Terraform init
        run: terraform init

      - name: Set up microk8s
        uses: canonical/certification-github-workflows/.github/actions/microk8s-setup@main
      
      # TODO: Separate this build step to its own action once custom VM images are available
      # (when there is a charmcraft + LXD capable image available)
      - name: Build API charm
        run: charmcraft pack
        working-directory: ./backend/charm
  
      # TODO: Separate this build step to its own action once custom VM images are available
      # (when there is a charmcraft + LXD capable image available)
      - name: Build frontend charm
        run: charmcraft pack
        working-directory: ./frontend/charm

      - name: Terraform apply
        run: |
          TF_VAR_environment=development \
          TF_VAR_nginx_ingress_integrator_charm_whitelist_source_range="" \
          terraform apply -auto-approve
      
      - name: Switch model to test-observer-development
        run: |
          juju switch test-observer-development
    
      - name: Replace the API charm with the locally built one
        run: |
          juju refresh api --path ../backend/charm/*.charm

      - name: Replace the frontend charm with the locally built one
        run: |
          juju refresh frontend --path ../frontend/charm/*.charm

      - name: Wait for deployment to complete
        run: |
          juju wait-for model test-observer-development \
          --timeout=10m \
          --query='life=="alive" && status=="available" && forEach(applications, app => app.status == "active")'