terraform.yml

name: Terraform

on:
  pull_request:

permissions:
  contents: read

jobs:
  terraform:
    name: Terraform
    runs-on: ubuntu-latest
    environment: production
    permissions:
      pull-requests: write

    defaults:
      run:
        working-directory: infra

    steps:
      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3
        with:
          cli_config_credentials_token: ${{ secrets.TF_API_TOKEN }}

      - name: Terraform Format
        id: fmt
        run: terraform fmt -check
        continue-on-error: true

      - name: Terraform Init
        id: init
        run: terraform init
        continue-on-error: true
      
      - name: Terraform Validate
        id: validate
        run: terraform validate -no-color
        continue-on-error: true

      - name: Terraform Plan
        id: plan
        run: terraform plan -no-color -input=false
        continue-on-error: true

      - uses: actions/github-script@v7
        env:
          PLAN: "terraform\n${{ steps.plan.outputs.stdout }}"
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const output = `#### Terraform Format and Style 🖌\`${{ steps.fmt.outcome }}\`
            #### Terraform Initialization ⚙️\`${{ steps.init.outcome }}\`
            #### Terraform Validation 🤖\`${{ steps.validate.outcome }}\`
            #### Terraform Plan 📖\`${{ steps.plan.outcome }}\`

            <details><summary>Show Plan</summary>

            \`\`\`\n
            ${process.env.PLAN}
            \`\`\`

            </details>

            *Pushed by: @${{ github.actor }}, Action: \`${{ github.event_name }}\`*`;
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: output
            })

      - name: Terraform Plan Status
        if: >-
          (steps.fmt.outcome == 'failure') ||
          (steps.init.outcome == 'failure') ||
          (steps.validate.outcome == 'failure') ||
          (steps.plan.outcome == 'failure')
        run: exit 1