action.yml

name: Dedicated Launch Test
description: Test if specified mods can launch on dedicated server environment
inputs:
  extra:
    description: Path to extra mods json
    required: false
    default: ""
  extra1:
    description: Another path to extra mods json, in case you need a new one
    required: false
    default: ""
  mod:
    description: Path to the mod file
    required: true
runs:
  using: composite
  steps:
    - name: Setup
      shell: bash
      run: |
        git clone https://github.com/teaconmc/dedicated-launch-test.git
        cd dedicated-launch-test
        git checkout 1.21-neoforge
        cd ..
        mkdir -p dedicated-launch-test/extra
        mkdir -p dedicated-launch-test/extra1
        mkdir -p dedicated-launch-test/server
    - name: Apply extra mods cache
      uses: actions/cache@v4
      with:
        path: dedicated-launch-test/extra
        key: ${{ runner.os }}-extra-${{ hashFiles(inputs.extra) }}
        #restore-keys: ${{ runner.os }}-extra-
    - name: Apply extra-1 mods cache
      uses: actions/cache@v4
      with:
        path: dedicated-launch-test/extra1
        key: ${{ runner.os }}-extra1-${{ hashFiles(inputs.extra1) }}
    - name: Apply server cache
      uses: actions/cache@v4
      with:
        path: dedicated-launch-test/server
        key: ${{ runner.os }}-server1-${{ hashFiles('dedicated-launch-test/server/libraries/**') }}
        restore-keys: ${{ runner.os }}-server1-
    - name: Download extra mods
      shell: bash
      env:
        EXTRA_MODS: ${{ inputs.extra }}
      run: |
        cd dedicated-launch-test/extra
        EXTRA_MODS="../../$EXTRA_MODS"
        if [ -f "$EXTRA_MODS" ]; then
          for e in `jq -c '.[]' $EXTRA_MODS`; do
            echo "$e" > tmp.json
            name=`jq -r '.name' tmp.json`
            url=`jq -r '.file' tmp.json`
            if [ ! -f "$name" ]; then
              echo "Downloading $name from $url"
              wget -q -O "$name" "$url"
            else
              echo "Skipping $name, already downloaded"
            fi
            rm tmp.json
          done
        fi
    - name: Download extra1 mods
      shell: bash
      env:
        EXTRA1_MODS: ${{ inputs.extra1 }}
      run: |
        cd dedicated-launch-test/extra1
        EXTRA1_MODS="../../$EXTRA1_MODS"
        if [ -f "$EXTRA1_MODS" ]; then
          cat $EXTRA1_MODS
          for e in `jq -c '.[]' $EXTRA1_MODS`; do
            echo "$e" > tmp.json
            name=`jq -r '.name' tmp.json`
            url=`jq -r '.file' tmp.json`
            if [ ! -f "$name" ]; then
              echo "Downloading $name from $url"
              wget -q -O "$name" "$url"
            else
              echo "Skipping $name, already downloaded"
            fi
            rm tmp.json
          done
        fi
    - name: Setup Server
      shell: bash
      run: |
        cd dedicated-launch-test/server
        mkdir -p config
        echo 'disableConfigWatcher = true' > config/fml.toml
        echo "Getting latest NeoForge version..."
        #NF_VER=$(curl -s https://maven.neoforged.net/releases/net/neoforged/neoforge/maven-metadata.xml | yq -p xml '.metadata.versioning.latest')
        NF_VER=21.1.62
        echo "Checking if NeoForge $NF_VER is installed..."
        if ! ls libraries/net/neoforged/neoforge/$NF_VER; then
          echo "Cannot find NeoForge $NF_VER, installing..."
          rm -f nf-install.jar
          curl -s -o nf-install.jar https://maven.neoforged.net/releases/net/neoforged/neoforge/$NF_VER/neoforge-$NF_VER-installer.jar
          java -jar nf-install.jar --installServer > /dev/null 2>&1
        else
          echo "Found NeoForge $NF_VER"
        fi
        echo Using NeoForge $NF_VER
        mkdir mods || true
        echo By using this workflow, you agree with the terms set in Minecraft EULA.
        echo Get the full EULA text here: https://www.minecraft.net/en-us/eula
        echo -n "eula=true" > eula.txt
    - name: Copy mods
      shell: bash
      env:
        MOD: ${{ inputs.mod }}
      run: |
        cp -v dedicated-launch-test/extra/* dedicated-launch-test/server/mods/ || true
        cp -v dedicated-launch-test/extra1/* dedicated-launch-test/server/mods/ || true
        cp -v $MOD dedicated-launch-test/server/mods/
    - name: Launch
      shell: bash
      run: |
        cd dedicated-launch-test/server
        ./run.sh nogui <<< "stop" &
        for i in $(seq 60); do
          sleep 5
          jobs > running.txt
          if [ ! -s running.txt ]; then
            exit 0
          fi
        done
        # Get current running jobs
        jobs > running.txt
        # If still have running jobs, we know we are in trouble.
        # Call jps to get pid, and use jstack to have a trace dump.
        # Then, kill server and force exit.
        if [ -s running.txt ]; then
          jps | grep BootstrapLauncher | sed -e 's/ BootstrapLauncher//g' > dslt.pid
          jstack $(cat dslt.pid)
          jmap -dump:live,format=b,file=heap.bin $(cat dslt.pid)
          kill -9 $(cat dslt.pid)
          exit -1
        fi
    - name: Check
      shell: bash
      run: |
        cd dedicated-launch-test/server
        cat crash-reports/* || true
        grep 'For help, type "help"' logs/*
    - name: Cleanup
      shell: bash
      run: |
        cd dedicated-launch-test/server
        rm -vf mods/*
        rm -rf crash-reports
        rm -rf logs
        rm -rf world