examples.yml

name: Examples Checks
on:
  push:
    branches:
      - main
  pull_request:
    paths:
      - .github/workflows/examples.yml
      - .go-version
      - .tflint.hcl
      - examples/**
      - tools/go.mod

env:
  AWS_DEFAULT_REGION: us-west-2

jobs:
  validate-terraform:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        terraform_version: ["0.12.31", "1.0.6"]
    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: 0
    - uses: actions/cache@v2
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-pkg-mod-${{ hashFiles('go.sum') }}
    # See also: https://github.com/actions/setup-go/pull/62
    - run: echo "GO_VERSION=$(cat .go-version)" >> $GITHUB_ENV
    - uses: actions/setup-go@v2
      with:
        go-version: ${{ env.GO_VERSION }}
    - name: go build
      run: go build -o terraform-plugin-dir/terraform-provider-aws_v99.99.99_x5 .
    - name: override plugin
      run: |
        # For Terraform v0.12
        mkdir -p ~/.terraform.d/plugins
        cp terraform-plugin-dir/terraform-provider-aws_v99.99.99_x5 ~/.terraform.d/plugins
        # For newer versions
        mkdir -p ~/.terraform.d/plugins/registry.terraform.io/hashicorp/aws/99.99.99/$(go env GOOS)_$(go env GOARCH)/
        cp terraform-plugin-dir/terraform-provider-aws_v99.99.99_x5 ~/.terraform.d/plugins/registry.terraform.io/hashicorp/aws/99.99.99/$(go env GOOS)_$(go env GOARCH)/
    - uses: hashicorp/setup-terraform@v1
      with:
        terraform_version: ${{ matrix.terraform_version }}
        # Needed to use the output of `terraform validate -json`
        terraform_wrapper: false

    - name: install tflint
      run: cd tools && go install github.com/terraform-linters/tflint

    - uses: actions/cache@v2
      name: Cache plugin dir
      with:
        path: ~/.tflint.d/plugins
        key: ${{ matrix.os }}-tflint-${{ hashFiles('.tflint.hcl') }}

    - name: terraform
      run: |
        TFLINT_CONFIG="$(pwd -P)/.tflint.hcl"
        for DIR in $(find ./examples -type f -name '*.tf' -exec dirname {} \; | sort -u); do
          pushd "$DIR"
          if [ -f terraform.template.tfvars ]; then
            cp terraform.template.tfvars terraform.tfvars
          fi
          echo; echo -e "\e[1;35m===> Initializing Example: $DIR <===\e[0m"; echo
          terraform init
          echo; echo -e "\e[1;35m===> Format Checking Example: $DIR <===\e[0m"; echo
          terraform fmt -check
          echo; echo -e "\e[1;35m===> Validating Example: $DIR <===\e[0m"; echo
          # Catch errors
          terraform validate
          # Terraform syntax checks
          # We don't want to exit on the first tflint error
          set +e
          tflint --config=$TFLINT_CONFIG \
            --enable-rule=terraform_deprecated_interpolation \
            --enable-rule=terraform_deprecated_index \
            --enable-rule=terraform_unused_declarations \
            --enable-rule=terraform_comment_syntax \
            --enable-rule=terraform_required_version
          set -e
          popd
        done