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From zjs...@apache.org
Subject svn commit: r1580164 - in /hadoop/common/trunk/hadoop-yarn-project: ./ hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/ hadoop-yarn/hadoop-yarn-ap...
Date Sat, 22 Mar 2014 04:35:48 GMT
Author: zjshen
Date: Sat Mar 22 04:35:46 2014
New Revision: 1580164

URL: http://svn.apache.org/r1580164
Log:
YARN-1577. Made UnmanagedAMLauncher do launchAM after the attempt reaches the LAUNCHED state.
Contributed by Jian He.

Modified:
    hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/TestUnmanagedAMLauncher.java
    hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java

Modified: hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt?rev=1580164&r1=1580163&r2=1580164&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt Sat Mar 22 04:35:46 2014
@@ -558,6 +558,9 @@ Release 2.4.0 - UNRELEASED
     YARN-1776. Fixed DelegationToken renewal to survive RM failover. (Zhijie
     Shen via jianhe)
 
+    YARN-1577. Made UnmanagedAMLauncher do launchAM after the attempt reaches
+    the LAUNCHED state. (Jian He via zjshen)
+
 Release 2.3.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java?rev=1580164&r1=1580163&r2=1580164&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/main/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.java
Sat Mar 22 04:35:46 2014
@@ -44,6 +44,7 @@ import org.apache.hadoop.security.token.
 import org.apache.hadoop.yarn.api.ApplicationConstants;
 import org.apache.hadoop.yarn.api.ApplicationConstants.Environment;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext;
@@ -51,6 +52,7 @@ import org.apache.hadoop.yarn.api.record
 import org.apache.hadoop.yarn.api.records.ContainerLaunchContext;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.client.api.YarnClient;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
@@ -77,7 +79,7 @@ public class UnmanagedAMLauncher {
   private Configuration conf;
 
   // Handle to talk to the Resource Manager/Applications Manager
-  private YarnClient rmClient;
+  protected YarnClient rmClient;
 
   // Application master specific info to register a new Application with RM/ASM
   private String appName = "";
@@ -92,6 +94,7 @@ public class UnmanagedAMLauncher {
 
   private volatile boolean amCompleted = false;
 
+  private static final long AM_STATE_WAIT_TIMEOUT_MS = 10000;
   /**
    * @param args
    *          Command line arguments
@@ -173,12 +176,6 @@ public class UnmanagedAMLauncher {
 
   public void launchAM(ApplicationAttemptId attemptId) 
     throws IOException, YarnException {
-    ApplicationReport report = 
-      rmClient.getApplicationReport(attemptId.getApplicationId());
-    if (report.getYarnApplicationState() != YarnApplicationState.ACCEPTED) {
-      throw new YarnException(
-          "Umanaged AM must be in ACCEPTED state before launching");
-    }
     Credentials credentials = new Credentials();
     Token<AMRMTokenIdentifier> token = 
         rmClient.getAMRMToken(attemptId.getApplicationId());
@@ -338,20 +335,27 @@ public class UnmanagedAMLauncher {
       // Submit the application to the applications manager
       LOG.info("Submitting application to ASM");
       rmClient.submitApplication(appContext);
-  
-      // Monitor the application to wait for launch state
-      ApplicationReport appReport = monitorApplication(appId,
-          EnumSet.of(YarnApplicationState.ACCEPTED));
-      ApplicationAttemptId attemptId = appReport.getCurrentApplicationAttemptId();
-      LOG.info("Launching application with id: " + attemptId);
-  
-      // launch AM
-      launchAM(attemptId);
-  
-      // Monitor the application for end state
-      appReport = monitorApplication(appId, EnumSet.of(
-          YarnApplicationState.KILLED, YarnApplicationState.FAILED,
-          YarnApplicationState.FINISHED));
+
+      ApplicationReport appReport =
+          monitorApplication(appId, EnumSet.of(YarnApplicationState.ACCEPTED,
+            YarnApplicationState.KILLED, YarnApplicationState.FAILED,
+            YarnApplicationState.FINISHED));
+
+      if (appReport.getYarnApplicationState() == YarnApplicationState.ACCEPTED) {
+        // Monitor the application attempt to wait for launch state
+        ApplicationAttemptReport attemptReport =
+            monitorCurrentAppAttempt(appId,
+              YarnApplicationAttemptState.LAUNCHED);
+        ApplicationAttemptId attemptId =
+            attemptReport.getApplicationAttemptId();
+        LOG.info("Launching AM with application attempt id " + attemptId);
+        // launch AM
+        launchAM(attemptId);
+        // Monitor the application for end state
+        appReport =
+            monitorApplication(appId, EnumSet.of(YarnApplicationState.KILLED,
+              YarnApplicationState.FAILED, YarnApplicationState.FINISHED));
+      }
 
       YarnApplicationState appState = appReport.getYarnApplicationState();
       FinalApplicationStatus appStatus = appReport.getFinalApplicationStatus();
@@ -376,6 +380,43 @@ public class UnmanagedAMLauncher {
     }
   }
 
+  private ApplicationAttemptReport monitorCurrentAppAttempt(
+      ApplicationId appId, YarnApplicationAttemptState attemptState)
+      throws YarnException, IOException {
+    long startTime = System.currentTimeMillis();
+    ApplicationAttemptId attemptId = null;
+    while (true) {
+      if (attemptId == null) {
+        attemptId =
+            rmClient.getApplicationReport(appId)
+              .getCurrentApplicationAttemptId();
+      }
+      ApplicationAttemptReport attemptReport = null;
+      if (attemptId != null) {
+        attemptReport = rmClient.getApplicationAttemptReport(attemptId);
+        if (attemptState.equals(attemptReport.getYarnApplicationAttemptState())) {
+          return attemptReport;
+        }
+      }
+      LOG.info("Current attempt state of " + appId + " is " + (attemptReport == null
+            ? " N/A " : attemptReport.getYarnApplicationAttemptState())
+                + ", waiting for current attempt to reach " + attemptState);
+      try {
+        Thread.sleep(1000);
+      } catch (InterruptedException e) {
+        LOG.warn("Interrupted while waiting for current attempt of " + appId
+            + " to reach " + attemptState);
+      }
+      if (System.currentTimeMillis() - startTime > AM_STATE_WAIT_TIMEOUT_MS) {
+        String errmsg =
+            "Timeout for waiting current attempt of " + appId + " to reach "
+                + attemptState;
+        LOG.error(errmsg);
+        throw new RuntimeException(errmsg);
+      }
+    }
+  }
+
   /**
    * Monitor the submitted application for completion. Kill application if time
    * expires.
@@ -391,7 +432,6 @@ public class UnmanagedAMLauncher {
       IOException {
 
     long foundAMCompletedTime = 0;
-    final int timeToWaitMS = 10000;
     StringBuilder expectedFinalState = new StringBuilder();
     boolean first = true;
     for (YarnApplicationState state : finalState) {
@@ -438,8 +478,8 @@ public class UnmanagedAMLauncher {
         if (foundAMCompletedTime == 0) {
           foundAMCompletedTime = System.currentTimeMillis();
         } else if ((System.currentTimeMillis() - foundAMCompletedTime)
-            > timeToWaitMS) {
-          LOG.warn("Waited " + timeToWaitMS/1000
+            > AM_STATE_WAIT_TIMEOUT_MS) {
+          LOG.warn("Waited " + AM_STATE_WAIT_TIMEOUT_MS/1000
               + " seconds after process completed for AppReport"
               + " to reach desired final state. Not waiting anymore."
               + "CurrentState = " + state

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/TestUnmanagedAMLauncher.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/TestUnmanagedAMLauncher.java?rev=1580164&r1=1580163&r2=1580164&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/TestUnmanagedAMLauncher.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-unmanaged-am-launcher/src/test/java/org/apache/hadoop/yarn/applications/unmanagedamlauncher/TestUnmanagedAMLauncher.java
Sat Mar 22 04:35:46 2014
@@ -28,8 +28,6 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.net.URL;
 
-import org.junit.Assert;
-
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
@@ -38,11 +36,15 @@ import org.apache.hadoop.yarn.api.Applic
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
 import org.apache.hadoop.yarn.client.ClientRMProxy;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.server.MiniYARNCluster;
 import org.junit.AfterClass;
+import org.junit.Assert;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
@@ -122,7 +124,7 @@ public class TestUnmanagedAMLauncher {
   }
 
   @Test(timeout=30000)
-  public void testDSShell() throws Exception {
+  public void testUMALauncher() throws Exception {
     String classpath = getTestRuntimeClasspath();
     String javaHome = System.getenv("JAVA_HOME");
     if (javaHome == null) {
@@ -141,8 +143,18 @@ public class TestUnmanagedAMLauncher {
             + " success" };
 
     LOG.info("Initializing Launcher");
-    UnmanagedAMLauncher launcher = new UnmanagedAMLauncher(new Configuration(
-        yarnCluster.getConfig()));
+    UnmanagedAMLauncher launcher =
+        new UnmanagedAMLauncher(new Configuration(yarnCluster.getConfig())) {
+          public void launchAM(ApplicationAttemptId attemptId)
+              throws IOException, YarnException {
+            YarnApplicationAttemptState attemptState =
+                rmClient.getApplicationAttemptReport(attemptId)
+                  .getYarnApplicationAttemptState();
+            Assert.assertTrue(attemptState
+              .equals(YarnApplicationAttemptState.LAUNCHED));
+            super.launchAM(attemptId);
+          }
+        };
     boolean initSuccess = launcher.init(args);
     Assert.assertTrue(initSuccess);
     LOG.info("Running Launcher");
@@ -154,7 +166,7 @@ public class TestUnmanagedAMLauncher {
   }
 
   @Test(timeout=30000)
-  public void testDSShellError() throws Exception {
+  public void testUMALauncherError() throws Exception {
     String classpath = getTestRuntimeClasspath();
     String javaHome = System.getenv("JAVA_HOME");
     if (javaHome == null) {

Modified: hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java?rev=1580164&r1=1580163&r2=1580164&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
(original)
+++ hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
Sat Mar 22 04:35:46 2014
@@ -1650,11 +1650,14 @@ public class RMAppAttemptImpl implements
     this.readLock.lock();
     ApplicationAttemptReport attemptReport = null;
     try {
+      // AM container maybe not yet allocated. and also unmangedAM doesn't have
+      // am container.
+      ContainerId amId =
+          masterContainer == null ? null : masterContainer.getId();
       attemptReport = ApplicationAttemptReport.newInstance(this
           .getAppAttemptId(), this.getHost(), this.getRpcPort(), this
           .getTrackingUrl(), this.getDiagnostics(), YarnApplicationAttemptState
-          .valueOf(this.getState().toString()), this.getMasterContainer()
-          .getId());
+          .valueOf(this.getState().toString()), amId);
     } finally {
       this.readLock.unlock();
     }



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