markdown-checks.yaml

name: Markdown checks

on:
  push:
    branches:
      - 'main'
      - '[0-9]+.[1-9][0-9]*.x'
    paths:
      - '**.md'
      - 'lifecycle-operator/apis/**'
      - 'metrics-operator/api/**'
  pull_request:
    branches:
      - 'main'
      - '[0-9]+.[1-9][0-9]*.x'
    paths:
      - '**.md'
      - 'lifecycle-operator/apis/**'
      - 'metrics-operator/api/**'

# Declare default permissions as read only.
permissions: read-all

env:
  GO_VERSION: "~1.21"

defaults:
  run:
    shell: bash

jobs:
  markdown-link-check:
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
      - uses: gaurav-nelson/github-action-markdown-link-check@5c5dfc0ac2e225883c0e5f03a85311ec2830d368 # v1
        with:
          config-file: '.github/mlc_config.json'
          use-verbose-mode: true
          use-quiet-mode: true
          folder-path: 'examples,docs'
          file-path: 'README.md'

  markdown-lint:
    runs-on: ubuntu-22.04
    steps:
      - name: Check out code
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Run TOC generation
        run: |
          FILES=`find . -type f -name '*.md' -not -path './.github/*' -not -path './node_modules/*' | sort`
          for f in $FILES; do
            if grep -q '<!-- tocstop -->' $$f; then
              echo "Checking TOC for ${f}";
              npx markdown-toc --no-first-h1 --no-stripHeadingTags -i ${f} || exit 1;
            else
              echo Skipping ${f};
            fi;
          done

      - name: Check TOC
        run: |
          git diff --exit-code '*.md' || \
            (echo "Table of Contents is out of date. Please update the following files: $(git diff --name-status --exit-code)" && exit 1)

      - name: Lint Markdown files
        run: make markdownlint

  check-crd-docs:
    name: Check CRD auto-generated docs
    runs-on: ubuntu-22.04
    steps:
      - name: Check out code
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - name: Set up Go 1.x
        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
        with:
          go-version: ${{ env.GO_VERSION }}
          check-latest: true
          cache: false

      - name: Copy old docs
        run: |
          cp -R ./docs/docs/reference/api-reference ./docs/docs/reference/api-reference-old

      - name: Run docs generator
        run: ./.github/scripts/generate-crd-docs/generate-crd-docs.sh

      - name: Check if docs are up to date
        run: |
          if ! diff -rq ./docs/docs/reference/api-reference ./docs/docs/reference/api-reference-old &>/dev/null; then
            echo "The CRD docs have changes that are not reflected in the docs pages."
            echo "Please use ./.github/scripts/generate-crd-docs/generate-crd-docs.sh to re-generate the docs."
            echo ""
            echo "=========== Diff ==========="
            diff -ru ./docs/docs/reference/api-reference ./docs/docs/reference/api-reference-old
            exit 1
          else
            echo ""
            echo "CRD docs are up to date!"
          fi