terraform-terragrunt.yml

name: Terraform Terragrunt Action

on:
  push:
    branches:
      - main
      - stage
      - dev
  workflow_dispatch:  # Triggered manually from GitHub UI

jobs:
  terraform:
    runs-on: ubuntu-latest
    env:
      THE_TG_VERSION: 0.57.0
      THE_TF_VERSION: 1.8.0
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set Terraform workspace based on branch
        id: set-workspace
        run: |
          BRANCH_NAME=${GITHUB_REF#refs/heads/}
          if [[ "$BRANCH_NAME" == "main" ]]; then
            echo "TF_WORKSPACE=prod-project" >> $GITHUB_ENV
            echo "TG_WORKDIR=environment/stage" >> $GITHUB_ENV
          elif [[ "$BRANCH_NAME" == "stage" ]]; then
            echo "TF_WORKSPACE=stage-project" >> $GITHUB_ENV
            echo "TG_WORKDIR=environment/stage" >> $GITHUB_ENV
          elif [[ "$BRANCH_NAME" == "dev" ]]; then
            echo "TF_WORKSPACE=dev-project" >> $GITHUB_ENV
            echo "TG_WORKDIR=environment/dev" >> $GITHUB_ENV
          else
            echo "TF_WORKSPACE=default" >> $GITHUB_ENV
            echo "TG_WORKDIR=environment/default" >> $GITHUB_ENV
          fi

      - name: Set up Terraform CLI
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: ${{ env.THE_TF_VERSION }}
          terraform_wrapper: true
          cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}

      - name: Set up Terragrunt CLI
        run: |
          wget -qO /tmp/terragrunt https://github.com/gruntwork-io/terragrunt/releases/download/v${{ env.THE_TG_VERSION }}/terragrunt_linux_amd64
          sudo chmod +x /tmp/terragrunt
          sudo mv /tmp/terragrunt /usr/local/bin/terragrunt
          echo "✅ Terragrunt CLI setup completed!"

      - name: Run symlink-modules.sh
        run: |
          ./symlink-modules.sh
          echo "🔗 Symlink modules completed!"

      - name: Terragrunt init
        run: |
          cd ${{ github.workspace }}/$TG_WORKDIR
          terragrunt init --terragrunt-non-interactive
          echo "🔧 Terragrunt init completed!"

      - name: Terragrunt plan
        run: |
          cd ${{ github.workspace }}/$TG_WORKDIR
          terragrunt plan --terragrunt-non-interactive
          echo "📝 Terragrunt plan completed!"

      - name: Display success message
        if: github.event_name == 'workflow_dispatch'
        run: |
          echo "🚀 Terraform Terragrunt Action triggered manually!"