publish-techdocs-to-s3.yaml

name: Publish TechDocs Site

on:
  push:
    branches: [main]
    paths:
      - "docs/**"
      - "mkdocs.yml"
      - "**/*.md"
  workflow_dispatch:

jobs:
  check-for-catalog-info-at-root:
    runs-on: ubuntu-latest
    outputs:
      template-present: ${{ steps.check-template.outputs.template-exists }}
      catalog-present: ${{ steps.check-catalog.outputs.catalog-exists }}
      mkdocs-present: ${{ steps.check-mkdocs.outputs.mkdocs-exists }}
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Check if catalog exists
      id: check-catalog
      run: |
        if [ -f "./catalog-info.yaml" ]; then
          echo "catalog-exists=true" >> $GITHUB_OUTPUT
          echo "catalog-exists=true"
        else
          echo "catalog-exists=false" >> $GITHUB_OUTPUT
        fi

    - name: Check if template exists
      id: check-template
      run: |
        if [ -f "./template.yaml" ]; then
          echo "template-exists=true" >> $GITHUB_OUTPUT
          echo "template-exists=true"
        else
          echo "template-exists=false" >> $GITHUB_OUTPUT
        fi

    - name: Check if mkdocs exists
      id: check-mkdocs
      run: |
        if [ -f "./mkdocs.yml" ] || [ -f "./mkdocs.yaml" ]; then
          echo "mkdocs-exists=true" >> $GITHUB_OUTPUT
          echo "mkdocs-exists=true"
        else
          echo "mkdocs-exists=false" >> $GITHUB_OUTPUT
        fi

  publish-docs-to-s3:
    needs: check-for-catalog-info-at-root
    if: ${{ needs.check-for-catalog-info-at-root.outputs.mkdocs-present == 'true' && (needs.check-for-catalog-info-at-root.outputs.catalog-present == 'true' || needs.check-for-catalog-info-at-root.outputs.template-present == 'true') }}

    runs-on: ubuntu-latest
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache Node.js modules
        uses: actions/cache@v3
        with:
          path: |
            $(npm config get prefix)/lib/node_modules
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-node-

      - uses: actions/setup-node@v3

      - name: Cache Python packages
        uses: actions/cache@v3
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/*.txt', '**/*.pip') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Install techdocs-cli
        run: sudo npm install -g @techdocs/cli

      - name: Install mkdocs and mkdocs plugins
        run: python -m pip install mkdocs-techdocs-core==1.* neoteroi-mkdocs mkdocs-kroki-plugin pymdown-extensions

      - name: Get namespace from catalog-info.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.catalog-present == 'true' }}
        id: get_namespace_catalog
        uses: mikefarah/yq@master
        with:
          cmd: yq '.metadata.namespace // "default"' catalog-info.yaml

      - name: Get name from catalog-info.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.catalog-present == 'true' }}
        id: get_name_catalog
        uses: mikefarah/yq@master
        with:
          cmd: yq '.metadata.name' catalog-info.yaml

      - name: Get kind from catalog-info.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.catalog-present == 'true' }}
        id: get_kind_catalog
        uses: mikefarah/yq@master
        with:
          cmd: yq '.kind' catalog-info.yaml

      - name: Get namespace from template.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.template-present == 'true' }}
        id: get_namespace_template
        uses: mikefarah/yq@master
        with:
          cmd: yq '.metadata.namespace // "default"' template.yaml

      - name: Get name from template.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.template-present == 'true' }}
        id: get_name_template
        uses: mikefarah/yq@master
        with:
          cmd: yq '.metadata.name' template.yaml

      - name: Get kind from template.yaml
        if: ${{ needs.check-for-catalog-info-at-root.outputs.template-present == 'true' }}
        id: get_kind_template
        uses: mikefarah/yq@master
        with:
          cmd: yq '.kind' template.yaml

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-region: us-east-1
          role-session-name: publish-docs
          role-to-assume: arn:aws:iam::905418481873:role/Github_OIDC_TechDocs_S3

      - name: Generate docs site
        run: techdocs-cli generate --no-docker --verbose

      - name: Publish docs site
        if: ${{ needs.check-for-catalog-info-at-root.outputs.catalog-present == 'true' }}
        run: techdocs-cli publish --publisher-type awsS3 --storage-name backstage-liatrio-techdocs --entity ${{ steps.get_namespace_catalog.outputs.result }}/${{ steps.get_kind_catalog.outputs.result }}/${{ steps.get_name_catalog.outputs.result }}

      - name: Publish docs site
        if: ${{ needs.check-for-catalog-info-at-root.outputs.template-present == 'true' }}
        run: techdocs-cli publish --publisher-type awsS3 --storage-name backstage-liatrio-techdocs --entity ${{ steps.get_namespace_template.outputs.result }}/${{ steps.get_kind_template.outputs.result }}/${{ steps.get_name_template.outputs.result }}