build.yml

---
name: build

on:
  merge_group:
    types:
      - checks_requested
  pull_request:
  push:
  repository_dispatch:
    types:
      - apb

# Set a default shell for any run steps. The `-Eueo pipefail` sets errtrace,
# nounset, errexit, and pipefail. The `-x` will print all commands as they are
# run. Please see the GitHub Actions documentation for more information:
# https://docs.github.com/en/actions/using-jobs/setting-default-values-for-jobs
defaults:
  run:
    shell: bash -Eueo pipefail -x {0}

env:
  PIP_CACHE_DIR: ~/.cache/pip
  PRE_COMMIT_CACHE_DIR: ~/.cache/pre-commit
  RUN_TMATE: ${{ secrets.RUN_TMATE }}
  TERRAFORM_DOCS_REPO_BRANCH_NAME: improvement/support_atx_closed_markdown_headers
  TERRAFORM_DOCS_REPO_DEPTH: 1
  TERRAFORM_DOCS_REPO_URL: https://github.com/mcdonnnj/terraform-docs.git

jobs:
  diagnostics:
    name: Run diagnostics
    runs-on: ubuntu-latest
    steps:
      # Note that a duplicate of this step must be added at the top of
      # each job.
      - id: harden-runner
        name: Harden the runner
        uses: step-security/harden-runner@v2
        with:
          egress-policy: audit
      - id: github-status
        name: Check GitHub status
        uses: crazy-max/ghaction-github-status@v4
      - id: dump-context
        name: Dump context
        uses: crazy-max/ghaction-dump-context@v2
  lint:
    needs:
      - diagnostics
    runs-on: ubuntu-latest
    steps:
      - id: harden-runner
        name: Harden the runner
        uses: step-security/harden-runner@v2
        with:
          egress-policy: audit
      - id: setup-env
        uses: cisagov/setup-env-github-action@develop
      - uses: actions/checkout@v4
      - id: setup-python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ steps.setup-env.outputs.python-version }}
      # We need the Go version and Go cache location for the actions/cache step,
      # so the Go installation must happen before that.
      - id: setup-go
        uses: actions/setup-go@v5
        with:
          # There is no expectation for actual Go code so we disable caching as
          # it relies on the existence of a go.sum file.
          cache: false
          go-version: ${{ steps.setup-env.outputs.go-version }}
      - id: go-cache
        name: Lookup Go cache directory
        run: |
          echo "dir=$(go env GOCACHE)" >> $GITHUB_OUTPUT
      - uses: actions/cache@v4
        env:
          BASE_CACHE_KEY: "${{ github.job }}-${{ runner.os }}-\
            py${{ steps.setup-python.outputs.python-version }}-\
            go${{ steps.setup-go.outputs.go-version }}-\
            packer${{ steps.setup-env.outputs.packer-version }}-\
            tf${{ steps.setup-env.outputs.terraform-version }}-"
        with:
          key: "${{ env.BASE_CACHE_KEY }}\
            ${{ hashFiles('**/requirements-test.txt') }}-\
            ${{ hashFiles('**/requirements.txt') }}-\
            ${{ hashFiles('**/.pre-commit-config.yaml') }}"
          # Note that the .terraform directory IS NOT included in the
          # cache because if we were caching, then we would need to use
          # the `-upgrade=true` option. This option blindly pulls down the
          # latest modules and providers instead of checking to see if an
          # update is required. That behavior defeats the benefits of caching.
          # so there is no point in doing it for the .terraform directory.
          path: |
            ${{ env.PIP_CACHE_DIR }}
            ${{ env.PRE_COMMIT_CACHE_DIR }}
            ${{ steps.go-cache.outputs.dir }}
          restore-keys: |
            ${{ env.BASE_CACHE_KEY }}
      - uses: hashicorp/setup-packer@v3
        with:
          version: ${{ steps.setup-env.outputs.packer-version }}
      - uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: ${{ steps.setup-env.outputs.terraform-version }}
      - name: Install go-critic
        env:
          PACKAGE_URL: github.com/go-critic/go-critic/cmd/gocritic
          PACKAGE_VERSION: ${{ steps.setup-env.outputs.go-critic-version }}
        run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
      - name: Install goimports
        env:
          PACKAGE_URL: golang.org/x/tools/cmd/goimports
          PACKAGE_VERSION: ${{ steps.setup-env.outputs.goimports-version }}
        run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
      - name: Install gosec
        env:
          PACKAGE_URL: github.com/securego/gosec/v2/cmd/gosec
          PACKAGE_VERSION: ${{ steps.setup-env.outputs.gosec-version }}
        run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
      - name: Install staticcheck
        env:
          PACKAGE_URL: honnef.co/go/tools/cmd/staticcheck
          PACKAGE_VERSION: ${{ steps.setup-env.outputs.staticcheck-version }}
        run: go install ${PACKAGE_URL}@${PACKAGE_VERSION}
      # TODO: https://github.com/cisagov/skeleton-generic/issues/165
      # We are temporarily using @mcdonnnj's forked branch of terraform-docs
      # until his PR: https://github.com/terraform-docs/terraform-docs/pull/745
      # is approved. This temporary fix will allow for ATX header support when
      # terraform-docs is run during linting.
      - name: Clone ATX headers branch from terraform-docs fork
        run: |
          git clone \
           --branch $TERRAFORM_DOCS_REPO_BRANCH_NAME \
           --depth $TERRAFORM_DOCS_REPO_DEPTH \
           --single-branch \
           $TERRAFORM_DOCS_REPO_URL /tmp/terraform-docs
      - name: Build and install terraform-docs binary
        run: |
          go build \
          -C /tmp/terraform-docs \
          -o $(go env GOPATH)/bin/terraform-docs
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip setuptools wheel
          pip install --upgrade --requirement requirements-test.txt
      - name: Set up pre-commit hook environments
        run: pre-commit install-hooks
      - name: Run pre-commit on all files
        run: pre-commit run --all-files
      - name: Setup tmate debug session
        uses: mxschmitt/action-tmate@v3
        if: env.RUN_TMATE