make-docs.yml

name: Make-docs-to-webpage

# Trigger running when a PR is closed
on:
  pull_request:
    types: [ closed ]

jobs:
  make_docs:
    name: Update DB schema files in webpage
    # Only run if the PR has been merged (rather than simply closed)
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:11
        env:
          POSTGRES_DB: caseflow_certification_test
          POSTGRES_PASSWORD: postgres
          POSTGRES_USER: postgres
        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
        ports: ["5432:5432"]

    steps:
      - name: Debugging info
        # https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads#pull_request
        env:
          GITHUB_CONTEXT: ${{ toJson(github) }}
        run: |
          # prints GITHUB_CONTEXT env variable
          env

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

      # Since installing a client to Oracle DB is a pain and setting up the VACOLS DB is not necessary, let's skip it.
      - name: Remove references to VACOLS Oracle DB
        run: |
          sed '/ruby-oci8/d' -i Gemfile
          sed '/activerecord-oracle_enhanced-adapter/d' -i Gemfile

          # Would like to run `bundle lock --update` to update Gemfile.lock without installing gems (to be done in next step)
          # but bundler is not installed yet, so manually modify it:
          sed '/ruby-oci8/d' -i Gemfile.lock
          sed '/^    activerecord-oracle_enhanced-adapter/,/^    [a-z]/{/^    activerecord-oracle_enhanced-adapter/!{/^    [a-z]/!d}}' -i Gemfile.lock
          sed '/activerecord-oracle_enhanced-adapter/d' -i Gemfile.lock
          sed '/ruby-plsql/d' -i Gemfile.lock

          # Remove VACOLS database configuration
          # https://stackoverflow.com/questions/6287755/using-sed-to-delete-all-lines-between-two-matching-patterns
          sed '/_vacols:$/,/^$/{/^_vacols:$/!{/^$/!d}}' -i config/database.yml

          # Even though it won't be used in this script, Rails expects a 'test_vacols' configuration due to "#{Rails.env}_vacols"
          echo '# Copied from demo_vacols configuration
          test_vacols:
            adapter: postgresql
            pool: 1
            timeout: 5000
            database: test-vacols
          ' >> config/database.yml

      - name: Setup Ruby and install gems
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true

      - name: Setup test database
        env:
          RAILS_ENV: test
          POSTGRES_HOST: localhost
          POSTGRES_PASSWORD: postgres
          POSTGRES_USER: postgres
        run: |
          echo "::group::Set up Caseflow DB"
          bin/rails db:create && bin/rails db:schema:load
          echo "::endgroup::"

          echo "::group::Set up Caseflow ETL DB"
          DB=etl bundle exec rake db:create db:schema:load
          echo "::endgroup::"

          # Skipping VACOLS since Oracle DB is not set up
          # bundle exec rake spec:setup_vacols

      # Need graphviz to create ERDs
      - name: Setup Graphviz
        uses: ts-graphviz/setup-graphviz@v1

      - name: Create DB schema documentation
        env:
          RAILS_ENV: test
          POSTGRES_HOST: localhost
          POSTGRES_PASSWORD: postgres
          POSTGRES_USER: postgres
          UPDATE_SCHEMA_ERD_IMAGES: true
        run: |
          ln -s Makefile.example Makefile

          echo "::group::Caseflow schema"
          make erd-caseflow doc-schema-caseflow
          echo "::endgroup::"

          echo "::group::Caseflow ETL schema"
          make erd-etl doc-schema-etl
          echo "::endgroup::"

          # Skipping VACOLS since Oracle DB is not set up
          # make erd-vacols

      # The following is adapted from: https://github.com/SwiftDocOrg/github-wiki-publish-action/blob/v1/entrypoint.sh
      # and https://github.com/Andrew-Chen-Wang/github-wiki-action/blob/master/entrypoint.sh
      # and https://github.community/t/how-to-updade-repo-wiki-from-github-actions/121151/7
      - name: Checkout branch main-gh-pages
        uses: actions/checkout@v2
        with:
          ref: main-gh-pages
          path: main-gh-pages_checkout
      - name: Copy results of `make docs` to checkout of main-gh-pages
        run: |
          rsync -av --exclude .git --exclude .keep "docs/schema/" "main-gh-pages_checkout/schema/make_docs/"
      - name: Update Jailer-generated DB schema docs for Caseflow using results of `make docs`
        env:
          POSTGRES_DB: caseflow_certification_test
          POSTGRES_PASSWORD: postgres
          POSTGRES_USER: postgres
        run: |
          CASEFLOW_HOME=`pwd`
          cd main-gh-pages_checkout/schema/bin
          sh ./gen_jailer_schema_docs.sh "$CASEFLOW_HOME" ../make_docs/caseflow-jailer_polymorphic_associations.csv
      - name: Compare (and locally commit) generated docs against main-gh-pages branch
        id: compare_docs
        env:
          WIKI_COMMIT_MESSAGE: '`make docs` GH Action: automatically update DB schema documentation files'
          WIKI_COMMIT_USER_EMAIL: 'Quillman_Samantha@bah.com'
          WIKI_COMMIT_USER_NAME: 'samantha-quillman'
        run: |
          cd main-gh-pages_checkout

          make github_action_pre_commit_hook

          git add .
          if git diff-index --quiet HEAD; then
            echo "::set-output name=changes_docs::false"

            echo "::group::No changes to make_docs"
            ls -alR schema/make_docs
            echo "::endgroup::"
          else
            echo "::set-output name=changes_docs::true"

            echo "::group::Committing changes locally"
            git config --local user.email "$WIKI_COMMIT_USER_EMAIL"
            git config --local user.name "$WIKI_COMMIT_USER_NAME"
            git commit -m "$WIKI_COMMIT_MESSAGE"
            echo "::endgroup::"
          fi