[FLINK-1879] [client] Simplify JobClient. Hide actorRefs behind metho…

…d calls where possible. - Drop redundant routing actor - Consistently set the flag to subscribe to updates or not. - Scala style cleanups: Drop default values for some method parameters.
apache · Apr 13, 2015 · ad63707 · ad63707
1 parent f81d9f0
commit ad63707
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Showing 28 changed files with 678 additions and 604 deletions.
diff --git a/flink-clients/src/main/java/org/apache/flink/client/LocalExecutor.java b/flink-clients/src/main/java/org/apache/flink/client/LocalExecutor.java
@@ -16,20 +16,17 @@
  * limitations under the License.
  */
 
-
 package org.apache.flink.client;
 
 import java.util.List;
 
-import akka.actor.ActorRef;
 import org.apache.flink.api.common.InvalidProgramException;
 import org.apache.flink.api.common.JobExecutionResult;
 import org.apache.flink.api.common.Plan;
 import org.apache.flink.api.common.PlanExecutor;
 import org.apache.flink.api.common.Program;
 import org.apache.flink.configuration.ConfigConstants;
 import org.apache.flink.configuration.Configuration;
-import org.apache.flink.runtime.client.JobClient;
 import org.apache.flink.runtime.client.SerializedJobExecutionResult;
 import org.apache.flink.runtime.jobgraph.JobGraph;
 import org.apache.flink.api.java.ExecutionEnvironment;
@@ -180,12 +177,8 @@ public JobExecutionResult executePlan(Plan plan) throws Exception {
 
 				JobGraphGenerator jgg = new JobGraphGenerator();
 				JobGraph jobGraph = jgg.compileJobGraph(op);
-
-				ActorRef jobClient = flink.getJobClient();
-
-				SerializedJobExecutionResult result =
-						JobClient.submitJobAndWait(jobGraph, printStatusDuringExecution, jobClient, flink.timeout());
-
+
+				SerializedJobExecutionResult result = flink.submitJobAndWait(jobGraph, printStatusDuringExecution);
 				return result.toJobExecutionResult(ClassLoader.getSystemClassLoader());
 			}
 			finally {

diff --git a/flink-clients/src/main/java/org/apache/flink/client/program/Client.java b/flink-clients/src/main/java/org/apache/flink/client/program/Client.java
@@ -49,10 +49,10 @@
 import org.apache.flink.runtime.client.JobExecutionException;
 import org.apache.flink.runtime.client.SerializedJobExecutionResult;
 import org.apache.flink.runtime.jobgraph.JobGraph;
+import org.apache.flink.runtime.jobmanager.JobManager;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import scala.Tuple2;
 import scala.concurrent.duration.FiniteDuration;
 import akka.actor.ActorRef;
 import akka.actor.ActorSystem;
@@ -316,36 +316,50 @@ public JobSubmissionResult run(OptimizedPlan compiledPlan, List<File> libraries,
 
 	public JobSubmissionResult run(JobGraph jobGraph, boolean wait) throws ProgramInvocationException {
 		this.lastJobId = jobGraph.getJobID();
-		final String hostname = configuration.getString(ConfigConstants.JOB_MANAGER_IPC_ADDRESS_KEY, null);
-		if (hostname == null) {
-			throw new ProgramInvocationException("Could not find hostname of job manager.");
-		}
-
-		FiniteDuration timeout = AkkaUtils.getTimeout(configuration);
 
+		InetSocketAddress jobManagerAddress;
+		try {
+			jobManagerAddress = JobClient.getJobManagerAddress(configuration);
+		}
+		catch (IOException e) {
+			throw new ProgramInvocationException(e.getMessage(), e);
+		}
+		LOG.info("JobManager actor system address is " + jobManagerAddress);
+
+		LOG.info("Starting client actor system");
 		final ActorSystem actorSystem;
-		final ActorRef client;
-
 		try {
-			Tuple2<ActorSystem, ActorRef> pair = JobClient.startActorSystemAndActor(configuration, false);
-			actorSystem = pair._1();
-			client = pair._2();
+			actorSystem = JobClient.startJobClientActorSystem(configuration);
 		}
 		catch (Exception e) {
-			throw new ProgramInvocationException("Could not build up connection to JobManager.", e);
+			throw new ProgramInvocationException("Could start client actor system.", e);
+		}
+
+		LOG.info("Looking up JobManager");
+		ActorRef jobManager;
+		try {
+			jobManager = JobManager.getJobManagerRemoteReference(jobManagerAddress, actorSystem, configuration);
 		}
+		catch (IOException e) {
+			throw new ProgramInvocationException("Failed to resolve JobManager", e);
+		}
+		LOG.info("JobManager runs at " + jobManager.path());
+
+		FiniteDuration timeout = AkkaUtils.getTimeout(configuration);
+		LOG.info("Communication between client and JobManager will have a timeout of " + timeout);
 
+		LOG.info("Checking and uploading JAR files");
 		try {
-			JobClient.uploadJarFiles(jobGraph, hostname, client, timeout);
+			JobClient.uploadJarFiles(jobGraph, jobManager, timeout);
 		}
 		catch (IOException e) {
 			throw new ProgramInvocationException("Could not upload the program's JAR files to the JobManager.", e);
 		}
 
 		try{
 			if (wait) {
-				SerializedJobExecutionResult result =
-						JobClient.submitJobAndWait(jobGraph, printStatusDuringExecution, client, timeout);
+				SerializedJobExecutionResult result = JobClient.submitJobAndWait(actorSystem, 
+						jobManager, jobGraph, timeout, printStatusDuringExecution);
 				try {
 					return result.toJobExecutionResult(this.userCodeClassLoader);
 				}
@@ -355,8 +369,8 @@ public JobSubmissionResult run(JobGraph jobGraph, boolean wait) throws ProgramIn
 				}
 			}
 			else {
-				JobClient.submitJobDetached(jobGraph, client, timeout);
-				// return a "Fake" execution result with the JobId
+				JobClient.submitJobDetached(jobManager, jobGraph, timeout);
+				// return a dummy execution result with the JobId
 				return new JobSubmissionResult(jobGraph.getJobID());
 			}
 		}

diff --git a/flink-clients/src/test/java/org/apache/flink/client/program/ClientTest.java b/flink-clients/src/test/java/org/apache/flink/client/program/ClientTest.java
@@ -23,7 +23,6 @@
 import akka.actor.Status;
 import akka.actor.UntypedActor;
 import org.apache.flink.api.common.InvalidProgramException;
-import org.apache.flink.api.common.JobExecutionResult;
 import org.apache.flink.api.common.JobSubmissionResult;
 import org.apache.flink.api.common.Plan;
 import org.apache.flink.api.java.ExecutionEnvironment;
@@ -38,6 +37,7 @@
 import org.apache.flink.runtime.jobgraph.JobGraph;
 import org.apache.flink.api.common.JobID;
 import org.apache.flink.runtime.jobmanager.JobManager;
+import org.apache.flink.runtime.messages.JobManagerMessages;
 import org.apache.flink.runtime.net.NetUtils;
 import org.junit.After;
 
@@ -224,7 +224,13 @@ public static class SuccessReturningActor extends UntypedActor {
 
 		@Override
 		public void onReceive(Object message) throws Exception {
-			getSender().tell(new Status.Success(new JobID()), getSelf());
+			if (message instanceof JobManagerMessages.SubmitJob) {
+				JobID jid = ((JobManagerMessages.SubmitJob) message).jobGraph().getJobID();
+				getSender().tell(new Status.Success(jid), getSelf());
+			}
+			else {
+				getSender().tell(new Status.Failure(new Exception("Unknown message " + message)), getSelf());
+			}
 		}
 	}