language_server_simulator.yml

name: Language Server Simulator

on:
  schedule:
    - cron:  '0 */12 * * *'
  workflow_dispatch:

jobs:
  run_simulator:
    name: Run LS Simulator
    runs-on: ubuntu-latest
    timeout-minutes: 240
    strategy:
      fail-fast: false
      matrix: 
        branch: ["master", "2201.2.x", "2201.3.x", "2201.4.x", "2201.4.0-stage"]
        skipGenerators: ["", "IMPORT_STATEMENT"]

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v2
        with: 
          ref: ${{ matrix.branch }}

      - name: Set up JDK 11
        uses: actions/setup-java@v2
        with:
          distribution: 'temurin' 
          java-version: '11'

      - name: Initialize sub-modules
        run: git submodule update --init

      - name: Build with Gradle
        timeout-minutes: 180
        run: |
          export DISPLAY=':99.0'
          /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
          ./gradlew clean :language-server-simulator:runLSSimulator -Dls.simulation.skipGenerators=${{ matrix.skipGenerators }}

      - name: Check Simulation Failure
        run: if test -f dump.hprof; then exit 1; else exit 0; fi

      - name: Analyze Heap Dump If Exists
        if: failure()
        run: |
          if test -f dump.hprof; then echo "Heap sump exists. Analyzing..."; else exit 0; fi
          wget https://ftp.jaist.ac.jp/pub/eclipse/mat/1.12.0/rcp/MemoryAnalyzer-1.12.0.20210602-linux.gtk.x86_64.zip
          unzip MemoryAnalyzer-1.12.0.20210602-linux.gtk.x86_64.zip
          ./mat/ParseHeapDump.sh ./dump.hprof org.eclipse.mat.api:suspects

      - name: Upload Heap Dumps
        uses: actions/upload-artifact@v2
        if: always()
        with:
          name: heap_dump-${{ matrix.branch }}.hprof
          path: '*.hprof'      
      
      - name: Upload Leaks Suspects
        uses: actions/upload-artifact@v2
        if: failure()
        with:
          name: Leak_Suspects-${{ matrix.branch }}
          path: 'dump_Leak_Suspects.zip'

      - name: Notify failure
        if: failure()
        run: |
          curl \
          -X POST 'https://chat.googleapis.com/v1/spaces/${{secrets.NOTIFICATIONS_CHAT_ID}}/messages?key=${{secrets.NOTIFICATIONS_CHAT_KEY}}&token=${{secrets.NOTIFICATIONS_CHAT_TOKEN}}' \
          --header 'Content-Type: application/json' \
          -d '{"text": "*language server simulator failure in ${{ matrix.branch }}* (skipped generators: ${{ matrix.skipGenerators }}) \nPlease \n visit <https://github.com/ballerina-platform/ballerina-lang/actions/runs/${{github.run_id}}|the LS simulator run> for more information"}'