validation.yaml

name: Terraform Validation

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  find-directories:
    name: Find Terraform Directories
    runs-on: ubuntu-latest
    outputs:
      directories: ${{ steps.get-dirs.outputs.dirs }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Find directories with Terraform projects
        id: get-dirs
        run: |
          dirs=$(find . -type f -name "*.tf" -print0 | xargs -0 -n1 dirname | sort -u)
          dirs_json=$(echo "$dirs" | jq -R -s -c 'split("\n")[:-1]')
          echo "Found directories: $dirs_json"
          echo "::set-output name=dirs::$dirs_json"
        env:
          PATH: /usr/bin:/bin

  validate:
    name: Validate Terraform Projects
    needs: find-directories
    runs-on: ubuntu-latest
    strategy:
      matrix:
        directory: ${{ fromJson(needs.find-directories.outputs.directories) }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v2

      - name: Validate Terraform in directory
        working-directory: ${{ matrix.directory }}
        run: |
          echo "Validating Terraform configuration in '${{ matrix.directory }}'"
          terraform init -backend=false
          terraform validate