[Java] Java worker cluster support (#2359)

java/test_cluster.sh

@@ -0,0 +1,31 @@
+#!/bin/bash
+
+#############################
+# build deploy file and deploy cluster
+sh cleanup.sh
+rm -rf local_deploy
+./prepare.sh -t local_deploy
+pushd local_deploy
+local_ip=`ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`
+#echo "use local_ip" $local_ip
+OVERWRITE="ray.java.start.redis_port=34222;ray.java.start.node_ip_address=$local_ip;ray.java.start.deploy=true;ray.java.start.run_mode=CLUSTER"
+echo OVERWRITE is $OVERWRITE
+./run.sh start --head --overwrite=$OVERWRITE > cli.log 2>&1 &
+popd
+sleep 10
+
+# auto-pack zip for app example
+pushd example
+if [ ! -d "app1/" ];then
+    mkdir app1
+fi
+cp -rf target/ray-example-1.0.jar app1/
+zip -r app1.zip app1
+popd
+
+# run with cluster mode
+pushd local_deploy
+export RAY_CONFIG=ray/ray.config.ini
+ARGS=" --package ../example/app1.zip --class org.ray.example.HelloWorld --args=test1,test2  --redis-address=$local_ip:34222"
+../local_deploy/run.sh submit $ARGS
+popd