- adds sonarcloud workflow definition

Author: baywet

.github/workflows/sonarcloud.yml

@@ -0,0 +1,78 @@
+name: Sonarcloud
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+    paths-ignore: ['.vscode/**']
+  pull_request:
+    types: [opened, synchronize, reopened]
+    paths-ignore: ['.vscode/**']
+
+env:
+  SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
+jobs:
+  checksecret:
+    name: check if SONAR_TOKEN is set in github secrets
+    runs-on: ubuntu-latest
+    outputs:
+      is_SONAR_TOKEN_set: ${{ steps.checksecret_job.outputs.is_SONAR_TOKEN_set }}
+    steps:
+      - name: Check whether unity activation requests should be done
+        id: checksecret_job
+        run: |
+            echo "is_SONAR_TOKEN_set=${{ env.SONAR_TOKEN != '' }}" >> $GITHUB_OUTPUT
+  build:
+    needs: [checksecret]
+    if: needs.checksecret.outputs.is_SONAR_TOKEN_set == 'true'
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up JDK 11
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'adopt'
+          java-version: 11
+      - name: Setup .NET 5 # At the moment the scanner requires dotnet 5 https://www.nuget.org/packages/dotnet-sonarscanner
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 5.0.x
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 7.0.x
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+      - name: Cache SonarCloud scanner
+        id: cache-sonar-scanner
+        uses: actions/cache@v3
+        with:
+          path: ./.sonar/scanner
+          key: ${{ runner.os }}-sonar-scanner
+          restore-keys: ${{ runner.os }}-sonar-scanner
+      - name: Install SonarCloud scanner
+        if: steps.cache-sonar-scanner.outputs.cache-hit != 'true'
+        shell: pwsh
+        run: |
+          New-Item -Path ./.sonar/scanner -ItemType Directory
+          dotnet tool update dotnet-sonarscanner --tool-path ./.sonar/scanner
+      - name: Build and analyze
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          CollectCoverage: true
+          CoverletOutputFormat: 'opencover' # https://github.com/microsoft/vstest/issues/4014#issuecomment-1307913682
+        shell: pwsh
+        run: |
+          ./.sonar/scanner/dotnet-sonarscanner begin /k:"microsoft_OpenAPI.NET" /o:"microsoft" /d:sonar.login="${{ secrets.SONAR_TOKEN }}" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.cs.opencover.reportsPaths="test/**/coverage.opencover.xml"
+          dotnet workload restore
+          dotnet build
+          dotnet test Microsoft.OpenApi.sln --no-build --verbosity normal /p:CollectCoverage=true /p:CoverletOutputFormat=opencover
+          ./.sonar/scanner/dotnet-sonarscanner end /d:sonar.login="${{ secrets.SONAR_TOKEN }}"