terraform-terragrunt.yml

name: Terraform Terragrunt Action

on:
  push:
    branches:
      - main
      - stage
      - dev
  workflow_dispatch:

jobs:
  terraform:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Extract and uppercase branch name
        id: vars
        run: |
          BRANCH_NAME=${GITHUB_REF#refs/heads/}
          UPPER_BRANCH_NAME=${BRANCH_NAME^^}
          echo "UPPER_BRANCH_NAME=${UPPER_BRANCH_NAME}" >> $GITHUB_ENV
          echo "TG_WORKSPACE_KEY=${UPPER_BRANCH_NAME}_TF_WORKSPACE" >> $GITHUB_ENV
          echo "TG_WORKDIR_KEY=${UPPER_BRANCH_NAME}_TG_WORKDIR" >> $GITHUB_ENV

      - name: Set up Terraform CLI
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: ${{ secrets['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${{ secrets['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: Set Terraform workspace and Terragrunt working directory
        run: |
          echo "TF_WORKSPACE=${{ secrets[env.TG_WORKSPACE_KEY] }}" >> $GITHUB_ENV
          echo "TG_WORKDIR=${{ secrets[env.TG_WORKDIR_KEY] }}" >> $GITHUB_ENV

      - 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!"