tflint.yaml

name: Terraform Linting
on:
  pull_request:
  push:
    branches:
      - main

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  tflint:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os: [ubuntu-latest]

    steps:
      - uses: actions/checkout@v4
        name: Checkout source code

      - uses: actions/cache@v4
        name: Cache plugin dir
        with:
          path: ~/.tflint.d/plugins
          key: ${{ matrix.os }}-tflint-${{ hashFiles('.tflint.hcl') }}

      - uses: terraform-linters/setup-tflint@v4
        name: Setup TFLint
        with:
          tflint_version: v0.52.0

      - name: Show version
        run: tflint --version

      - name: Init TFLint
        run: tflint --init
        # If rate limiting becomes an issue, setup a GitHub token and enable it as an environment variable
        # env:
          # https://github.com/terraform-linters/tflint/blob/master/docs/user-guide/plugins.md#avoiding-rate-limiting
          # GITHUB_TOKEN: ${{ github.token }}

      - name: Run TFLint
        run: tflint -f compact