Dynatrace MCP Server

name: Release

on:
  push:
    tags:
      - 'v*' # Triggers on version tags like v1.0.0, v2.1.3, etc.

permissions:
  contents: write # Required for creating releases
  id-token: write # Required for npm publishing with provenance

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v6
        with:
          fetch-depth: 0 # Fetch full history for changelog generation

      - name: Use Node.js # will read version from .nvmrc
        uses: actions/setup-node@v6
        with:
          node-version-file: '.nvmrc'
          registry-url: 'https://registry.npmjs.org'

      - name: Install dependencies
        run: npm ci

      - name: Run prettier
        run: npm run prettier

      - name: Run tests
        run: npm run test:unit

      - name: Build
        run: npm run build

      - name: Extract version from tag
        id: version
        run: |
          # Remove 'v' prefix from tag to get version
          VERSION=${GITHUB_REF#refs/tags/v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "tag=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

      - name: Generate changelog for GitHub Release
        id: changelog
        run: |
          # Get the previous tag
          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          # Generate changelog between tags
          if [ -n "$PREV_TAG" ]; then
            CHANGELOG=$(git log --pretty=format:"- %s (%h)" $PREV_TAG..HEAD)
          else
            CHANGELOG=$(git log --pretty=format:"- %s (%h)")
          fi

          # Save changelog to output (handle multiline)
          echo "changelog<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Publish to npm
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_PUBLISH_TOKEN }}
        run: |
          # Publish to npm with provenance
          if [[ "${{ steps.version.outputs.version }}" == *"-"* ]]; then
            # Pre-release version - publish with next tag
            npm publish --tag next --provenance --access public
          else
            # Stable release - publish with latest tag
            npm publish --provenance --access public
          fi

      - name: Create GitHub Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Create release body
          cat > release_body.md << 'EOF'
          ## Changes in ${{ steps.version.outputs.tag }}

          ${{ steps.changelog.outputs.changelog }}

          ## Usage

          ```bash
          npx -y @dynatrace-oss/dynatrace-mcp-server@${{ steps.version.outputs.version }}
          ```
          EOF

          # Create the release
          if [[ "${{ steps.version.outputs.version }}" == *"-"* ]]; then
            gh release create "${{ steps.version.outputs.tag }}" \
              --title "Release ${{ steps.version.outputs.tag }}" \
              --notes-file release_body.md \
              --prerelease
          else
            gh release create "${{ steps.version.outputs.tag }}" \
              --title "Release ${{ steps.version.outputs.tag }}" \
              --notes-file release_body.md
          fi

      # From https://github.com/modelcontextprotocol/registry/blob/main/docs/guides/publishing/github-actions.md
      - name: Install MCP Publisher
        run: |
          curl -L "https://github.com/modelcontextprotocol/registry/releases/latest/download/mcp-publisher_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz" | tar xz mcp-publisher

      # Login to GitHub - apparently this works out of the box with GH Workflows
      - name: Login to MCP Registry
        run: ./mcp-publisher login github-oidc

      # Publish the package to the MCP Registry
      - name: Publish to MCP Registry
        run: ./mcp-publisher publish