pre-commit.yml

name: Pre-Commit

on:
  pull_request:
  push:
    branches:
      - master

jobs:
  getBaseVersion:
    name: Get min/max versions
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Terraform min/max versions
        id: minMax
        uses: clowdhaus/terraform-min-max@v1.0.1
    outputs:
      minVersion: ${{ steps.minMax.outputs.minVersion }}
      maxVersion: ${{ steps.minMax.outputs.maxVersion }}

  preCommit:
    name: Pre-commit check
    runs-on: ubuntu-latest
    needs: getBaseVersion
    strategy:
      fail-fast: false
      matrix:
        version:
          - ${{ needs.getBaseVersion.outputs.minVersion }}
          - ${{ needs.getBaseVersion.outputs.maxVersion }}

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Install Python
        uses: actions/setup-python@v2

      - name: Install Terraform v${{ matrix.version }}
        uses: hashicorp/setup-terraform@v1
        with:
          terraform_version: ${{ matrix.version }}

      - name: Install pre-commit dependencies
        run: |
          pip install pre-commit
          curl -L "$(curl -s https://api.github.com/repos/terraform-docs/terraform-docs/releases/latest | grep -o -E "https://.+?-linux-amd64" | head -n1)" > terraform-docs && chmod +x terraform-docs && sudo mv terraform-docs /usr/bin/
          curl -L "$(curl -s https://api.github.com/repos/terraform-linters/tflint/releases/latest | grep -o -E "https://.+?_linux_amd64.zip")" > tflint.zip && unzip tflint.zip && rm tflint.zip && sudo mv tflint /usr/bin/

      - name: Execute pre-commit
        # Run only validate pre-commit check on min version supported
        if: ${{ matrix.version ==  needs.getBaseVersion.outputs.minVersion }}
        run: pre-commit run --color=always --show-diff-on-failure --all-files terraform_validate

      - name: Execute pre-commit
        # Run all pre-commit checks on max version supported
        if: ${{ matrix.version ==  needs.getBaseVersion.outputs.maxVersion }}
        run: pre-commit run --color=always --show-diff-on-failure --all-files