YARN-2033. Merging generic-history into the Timeline Store (Contributed by Zhijie Shen)

hadoop-yarn-project/CHANGES.txt

@@ -73,6 +73,9 @@ Release 2.6.0 - UNRELEASED
     YARN-2440. Enabled Nodemanagers to limit the aggregate cpu usage across all
     containers to a preconfigured limit. (Varun Vasudev via vinodkv)
 
+    YARN-2033. YARN-2033. Merging generic-history into the Timeline Store 
+    (Zhijie Shen via junping_du)
+
   IMPROVEMENTS
 
     YARN-2197. Add a link to YARN CHANGES.txt in the left side of doc

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationAttemptReport.java

@@ -51,14 +51,15 @@ public abstract class ApplicationAttemptReport {
   @Unstable
   public static ApplicationAttemptReport newInstance(
       ApplicationAttemptId applicationAttemptId, String host, int rpcPort,
-      String url, String diagnostics, YarnApplicationAttemptState state,
-      ContainerId amContainerId) {
+      String url, String oUrl, String diagnostics,
+      YarnApplicationAttemptState state, ContainerId amContainerId) {
     ApplicationAttemptReport report =
         Records.newRecord(ApplicationAttemptReport.class);
     report.setApplicationAttemptId(applicationAttemptId);
     report.setHost(host);
     report.setRpcPort(rpcPort);
     report.setTrackingUrl(url);
+    report.setOriginalTrackingUrl(oUrl);
     report.setDiagnostics(diagnostics);
     report.setYarnApplicationAttemptState(state);
     report.setAMContainerId(amContainerId);
@@ -135,6 +136,19 @@ public abstract class ApplicationAttemptReport {
   @Unstable
   public abstract void setTrackingUrl(String url);
 
+  /**
+   * Get the <em>original tracking url</em> for the application attempt.
+   * 
+   * @return <em>original tracking url</em> for the application attempt
+   */
+  @Public
+  @Unstable
+  public abstract String getOriginalTrackingUrl();
+
+  @Private
+  @Unstable
+  public abstract void setOriginalTrackingUrl(String oUrl);
+
   /**
    * Get the <code>ApplicationAttemptId</code> of this attempt of the
    * application

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -316,6 +316,19 @@ public class YarnConfiguration extends Configuration {
   public static final int DEFAULT_RM_HISTORY_WRITER_MULTI_THREADED_DISPATCHER_POOL_SIZE =
       10;
 
+  /**
+   *  The setting that controls whether yarn system metrics is published on the
+   *  timeline server or not by RM.
+   */
+  public static final String RM_SYSTEM_METRICS_PUBLISHER_ENABLED =
+      RM_PREFIX + "system-metrics-publisher.enabled";
+  public static final boolean DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_ENABLED = false;
+
+  public static final String RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE =
+      RM_PREFIX + "system-metrics-publisher.dispatcher.pool-size";
+  public static final int DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE =
+      10;
+
   //Delegation token related keys
   public static final String  DELEGATION_KEY_UPDATE_INTERVAL_KEY = 
     RM_PREFIX + "delegation.key.update-interval";

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto

@@ -202,6 +202,7 @@ message ApplicationAttemptReportProto {
   optional string diagnostics = 5 [default = "N/A"];
   optional YarnApplicationAttemptStateProto yarn_application_attempt_state = 6;
   optional ContainerIdProto am_container_id = 7;
+  optional string original_tracking_url = 8;
 }
 
 enum NodeStateProto {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java

@@ -676,7 +676,7 @@ public abstract class ProtocolHATestBase extends ClientBaseWithFixes{
 
     public ApplicationAttemptReport createFakeApplicationAttemptReport() {
       return ApplicationAttemptReport.newInstance(
-          createFakeApplicationAttemptId(), "localhost", 0, "", "",
+          createFakeApplicationAttemptId(), "localhost", 0, "", "", "",
           YarnApplicationAttemptState.RUNNING, createFakeContainerId());
     }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java

@@ -346,6 +346,7 @@ public class TestAHSClient {
             "host",
             124,
             "url",
+            "oUrl",
             "diagnostics",
             YarnApplicationAttemptState.FINISHED,
             ContainerId.newInstance(
@@ -357,6 +358,7 @@ public class TestAHSClient {
             "host",
             124,
             "url",
+            "oUrl",
             "diagnostics",
             YarnApplicationAttemptState.FINISHED,
             ContainerId.newInstance(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java

@@ -457,6 +457,7 @@ public class TestYarnClient {
           "host",
           124,
           "url",
+          "oUrl",
           "diagnostics",
           YarnApplicationAttemptState.FINISHED,
           ContainerId.newInstance(
@@ -467,6 +468,7 @@ public class TestYarnClient {
           "host",
           124,
           "url",
+          "oUrl",
           "diagnostics",
           YarnApplicationAttemptState.FINISHED,
           ContainerId.newInstance(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java

@@ -133,7 +133,7 @@ public class TestYarnCLI {
     ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(
         applicationId, 1);
     ApplicationAttemptReport attemptReport = ApplicationAttemptReport
-        .newInstance(attemptId, "host", 124, "url", "diagnostics",
+        .newInstance(attemptId, "host", 124, "url", "oUrl", "diagnostics",
             YarnApplicationAttemptState.FINISHED, ContainerId.newInstance(
                 attemptId, 1));
     when(
@@ -169,11 +169,11 @@ public class TestYarnCLI {
     ApplicationAttemptId attemptId1 = ApplicationAttemptId.newInstance(
         applicationId, 2);
     ApplicationAttemptReport attemptReport = ApplicationAttemptReport
-        .newInstance(attemptId, "host", 124, "url", "diagnostics",
+        .newInstance(attemptId, "host", 124, "url", "oUrl", "diagnostics",
             YarnApplicationAttemptState.FINISHED, ContainerId.newInstance(
                 attemptId, 1));
     ApplicationAttemptReport attemptReport1 = ApplicationAttemptReport
-        .newInstance(attemptId1, "host", 124, "url", "diagnostics",
+        .newInstance(attemptId1, "host", 124, "url", "oUrl", "diagnostics",
             YarnApplicationAttemptState.FINISHED, ContainerId.newInstance(
                 attemptId1, 1));
     List<ApplicationAttemptReport> reports = new ArrayList<ApplicationAttemptReport>();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationAttemptReportPBImpl.java

@@ -87,6 +87,15 @@ public class ApplicationAttemptReportPBImpl extends ApplicationAttemptReport {
     return p.getTrackingUrl();
   }
 
+  @Override
+  public String getOriginalTrackingUrl() {
+    ApplicationAttemptReportProtoOrBuilder p = viaProto ? proto : builder;
+    if (!p.hasOriginalTrackingUrl()) {
+      return null;
+    }
+    return p.getOriginalTrackingUrl();
+  }
+
   @Override
   public String getDiagnostics() {
     ApplicationAttemptReportProtoOrBuilder p = viaProto ? proto : builder;
@@ -160,6 +169,16 @@ public class ApplicationAttemptReportPBImpl extends ApplicationAttemptReport {
     builder.setTrackingUrl(url);
   }
 
+  @Override
+  public void setOriginalTrackingUrl(String oUrl) {
+    maybeInitBuilder();
+    if (oUrl == null) {
+      builder.clearOriginalTrackingUrl();
+      return;
+    }
+    builder.setOriginalTrackingUrl(oUrl);
+  }
+
   @Override
   public void setDiagnostics(String diagnostics) {
     maybeInitBuilder();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/view/HtmlBlock.java

@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.webapp.view;
 import java.io.PrintWriter;
 
 import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.webapp.MimeType;
 import org.apache.hadoop.yarn.webapp.SubView;
 import org.apache.hadoop.yarn.webapp.WebAppException;
@@ -81,4 +82,15 @@ public abstract class HtmlBlock extends TextView implements SubView {
    * @param html the block to render
    */
   protected abstract void render(Block html);
+
+  protected UserGroupInformation getCallerUGI() {
+    // Check for the authorization.
+    String remoteUser = request().getRemoteUser();
+    UserGroupInformation callerUGI = null;
+    if (remoteUser != null) {
+      callerUGI = UserGroupInformation.createRemoteUser(remoteUser);
+    }
+    return callerUGI;
+  }
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/resources/yarn-default.xml

@@ -615,24 +615,32 @@
     <value>org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy</value>
   </property>
 
-  <property>
-    <description>Number of worker threads that write the history data.</description>
-    <name>yarn.resourcemanager.history-writer.multi-threaded-dispatcher.pool-size</name>
-    <value>10</value>
-  </property>
-
   <property>
     <description>The class to use as the configuration provider.
     If org.apache.hadoop.yarn.LocalConfigurationProvider is used,
     the local configuration will be loaded.
     If org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider is used,
     the configuration which will be loaded should be uploaded to remote File system first.
-    </description>>
+    </description>
     <name>yarn.resourcemanager.configuration.provider-class</name>
     <value>org.apache.hadoop.yarn.LocalConfigurationProvider</value>
     <!-- <value>org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider</value> -->
   </property>
 
+  <property>
+    <description>The setting that controls whether yarn system metrics is
+    published on the timeline server or not by RM.</description>
+    <name>yarn.resourcemanager.system-metrics-publisher.enabled</name>
+    <value>false</value>
+  </property>
+
+  <property>
+    <description>Number of worker threads that send the yarn system metrics
+    data.</description>
+    <name>yarn.resourcemanager.system-metrics-publisher.dispatcher.pool-size</name>
+    <value>10</value>
+  </property>
+
   <!-- Node Manager Configs -->
   <property>
     <description>The hostname of the NM.</description>
@@ -1319,38 +1327,6 @@
     <value>/etc/krb5.keytab</value>
   </property>
 
-  <property>
-    <description>Indicate to ResourceManager as well as clients whether
-    history-service is enabled or not. If enabled, ResourceManager starts
-    recording historical data that ApplicationHistory service can consume.
-    Similarly, clients can redirect to the history service when applications
-    finish if this is enabled.</description>
-    <name>yarn.timeline-service.generic-application-history.enabled</name>
-    <value>false</value>
-  </property>
-
-  <property>
-    <description>URI pointing to the location of the FileSystem path where
-    the history will be persisted. This must be supplied when using
-    org.apache.hadoop.yarn.server.applicationhistoryservice.FileSystemApplicationHistoryStore
-    as the value for yarn.timeline-service.generic-application-history.store-class</description>
-    <name>yarn.timeline-service.generic-application-history.fs-history-store.uri</name>
-    <value>${hadoop.tmp.dir}/yarn/timeline/generic-history</value>
-  </property>
-
-  <property>
-    <description>T-file compression types used to compress history data.</description>
-    <name>yarn.timeline-service.generic-application-history.fs-history-store.compression-type</name>
-    <value>none</value>
-  </property>
-  
-  <property>
-	<description>Store class name for history store, defaulting to file
-	system store </description>
-	<name>yarn.timeline-service.generic-application-history.store-class</name>
-	<value>org.apache.hadoop.yarn.server.applicationhistoryservice.FileSystemApplicationHistoryStore</value>
-  </property>
-
   <!-- Other configuration -->
   <property>
     <description>The interval that the yarn client library uses to poll the

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java

@@ -163,7 +163,7 @@ public class ApplicationHistoryManagerImpl extends AbstractService implements
       ApplicationAttemptHistoryData appAttemptHistory) {
     return ApplicationAttemptReport.newInstance(
       appAttemptHistory.getApplicationAttemptId(), appAttemptHistory.getHost(),
-      appAttemptHistory.getRPCPort(), appAttemptHistory.getTrackingURL(),
+      appAttemptHistory.getRPCPort(), appAttemptHistory.getTrackingURL(), null,
       appAttemptHistory.getDiagnosticsInfo(),
       appAttemptHistory.getYarnApplicationAttemptState(),
       appAttemptHistory.getMasterContainerId());

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerOnTimelineStore.java

@@ -0,0 +1,511 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.applicationhistoryservice;
+
+import java.io.IOException;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.service.AbstractService;
+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.ContainerExitStatus;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerReport;
+import org.apache.hadoop.yarn.api.records.ContainerState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
+import org.apache.hadoop.yarn.exceptions.ApplicationAttemptNotFoundException;
+import org.apache.hadoop.yarn.exceptions.ApplicationNotFoundException;
+import org.apache.hadoop.yarn.exceptions.ContainerNotFoundException;
+import org.apache.hadoop.yarn.exceptions.YarnException;
+import org.apache.hadoop.yarn.server.metrics.AppAttemptMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ContainerMetricsConstants;
+import org.apache.hadoop.yarn.server.timeline.NameValuePair;
+import org.apache.hadoop.yarn.server.timeline.TimelineDataManager;
+import org.apache.hadoop.yarn.server.timeline.TimelineReader.Field;
+import org.apache.hadoop.yarn.util.ConverterUtils;
+import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
+
+public class ApplicationHistoryManagerOnTimelineStore extends AbstractService
+    implements
+    ApplicationHistoryManager {
+
+  private TimelineDataManager timelineDataManager;
+  private String serverHttpAddress;
+
+  public ApplicationHistoryManagerOnTimelineStore(
+      TimelineDataManager timelineDataManager) {
+    super(ApplicationHistoryManagerOnTimelineStore.class.getName());
+    this.timelineDataManager = timelineDataManager;
+  }
+
+  @Override
+  protected void serviceInit(Configuration conf) throws Exception {
+    serverHttpAddress = WebAppUtils.getHttpSchemePrefix(conf) +
+        WebAppUtils.getAHSWebAppURLWithoutScheme(conf);
+    super.serviceInit(conf);
+  }
+
+  @Override
+  public ApplicationReport getApplication(ApplicationId appId)
+      throws YarnException, IOException {
+    return getApplication(appId, ApplicationReportField.ALL);
+  }
+
+  @Override
+  public Map<ApplicationId, ApplicationReport> getAllApplications()
+      throws YarnException, IOException {
+    TimelineEntities entities = timelineDataManager.getEntities(
+        ApplicationMetricsConstants.ENTITY_TYPE, null, null, null, null,
+        null, null, Long.MAX_VALUE, EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    Map<ApplicationId, ApplicationReport> apps =
+        new HashMap<ApplicationId, ApplicationReport>();
+    if (entities != null && entities.getEntities() != null) {
+      for (TimelineEntity entity : entities.getEntities()) {
+        ApplicationReport app =
+            generateApplicationReport(entity, ApplicationReportField.ALL);
+        apps.put(app.getApplicationId(), app);
+      }
+    }
+    return apps;
+  }
+
+  @Override
+  public Map<ApplicationAttemptId, ApplicationAttemptReport>
+      getApplicationAttempts(ApplicationId appId)
+          throws YarnException, IOException {
+    TimelineEntities entities = timelineDataManager.getEntities(
+        AppAttemptMetricsConstants.ENTITY_TYPE,
+        new NameValuePair(
+            AppAttemptMetricsConstants.PARENT_PRIMARY_FILTER, appId
+                .toString()), null, null, null, null, null,
+        Long.MAX_VALUE, EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    Map<ApplicationAttemptId, ApplicationAttemptReport> appAttempts =
+        new HashMap<ApplicationAttemptId, ApplicationAttemptReport>();
+    if (entities != null && entities.getEntities() != null) {
+      for (TimelineEntity entity : entities.getEntities()) {
+        ApplicationAttemptReport appAttempt =
+            convertToApplicationAttemptReport(entity);
+        appAttempts.put(appAttempt.getApplicationAttemptId(), appAttempt);
+      }
+    } else {
+      // It is likely that the attemtps are not found due to non-existing
+      // application. In this case, we need to throw ApplicationNotFoundException.
+      getApplication(appId, ApplicationReportField.NONE);
+    }
+    return appAttempts;
+  }
+
+  @Override
+  public ApplicationAttemptReport getApplicationAttempt(
+      ApplicationAttemptId appAttemptId) throws YarnException, IOException {
+    TimelineEntity entity = timelineDataManager.getEntity(
+        AppAttemptMetricsConstants.ENTITY_TYPE,
+        appAttemptId.toString(), EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    if (entity == null) {
+      // Will throw ApplicationNotFoundException first
+      getApplication(appAttemptId.getApplicationId(), ApplicationReportField.NONE);
+      throw new ApplicationAttemptNotFoundException(
+          "The entity for application attempt " + appAttemptId +
+          " doesn't exist in the timeline store");
+    } else {
+      return convertToApplicationAttemptReport(entity);
+    }
+  }
+
+  @Override
+  public ContainerReport getContainer(ContainerId containerId)
+      throws YarnException, IOException {
+    ApplicationReport app = getApplication(
+        containerId.getApplicationAttemptId().getApplicationId(),
+        ApplicationReportField.USER);
+    TimelineEntity entity = timelineDataManager.getEntity(
+        ContainerMetricsConstants.ENTITY_TYPE,
+        containerId.toString(), EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    if (entity == null) {
+      throw new ContainerNotFoundException(
+          "The entity for container " + containerId +
+          " doesn't exist in the timeline store");
+    } else {
+      return convertToContainerReport(entity, serverHttpAddress, app.getUser());
+    }
+  }
+
+  @Override
+  public ContainerReport getAMContainer(ApplicationAttemptId appAttemptId)
+      throws YarnException, IOException {
+    ApplicationAttemptReport appAttempt = getApplicationAttempt(appAttemptId);
+    return getContainer(appAttempt.getAMContainerId());
+  }
+
+  @Override
+  public Map<ContainerId, ContainerReport> getContainers(
+      ApplicationAttemptId appAttemptId) throws YarnException, IOException {
+    ApplicationReport app = getApplication(
+        appAttemptId.getApplicationId(), ApplicationReportField.USER);
+    TimelineEntities entities = timelineDataManager.getEntities(
+        ContainerMetricsConstants.ENTITY_TYPE,
+        new NameValuePair(
+            ContainerMetricsConstants.PARENT_PRIMARIY_FILTER,
+            appAttemptId.toString()), null, null, null,
+        null, null, Long.MAX_VALUE, EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    Map<ContainerId, ContainerReport> containers =
+        new HashMap<ContainerId, ContainerReport>();
+    if (entities != null && entities.getEntities() != null) {
+      for (TimelineEntity entity : entities.getEntities()) {
+        ContainerReport container =
+            convertToContainerReport(entity, serverHttpAddress, app.getUser());
+        containers.put(container.getContainerId(), container);
+      }
+    }
+    return containers;
+  }
+
+  private static ApplicationReport convertToApplicationReport(
+      TimelineEntity entity, ApplicationReportField field) {
+    String user = null;
+    String queue = null;
+    String name = null;
+    String type = null;
+    long createdTime = 0;
+    long finishedTime = 0;
+    ApplicationAttemptId latestApplicationAttemptId = null;
+    String diagnosticsInfo = null;
+    FinalApplicationStatus finalStatus = FinalApplicationStatus.UNDEFINED;
+    YarnApplicationState state = null;
+    if (field == ApplicationReportField.NONE) {
+      return ApplicationReport.newInstance(
+          ConverterUtils.toApplicationId(entity.getEntityId()),
+          latestApplicationAttemptId, user, queue, name, null, -1, null, state,
+          diagnosticsInfo, null, createdTime, finishedTime, finalStatus, null,
+          null, 1.0F, type, null);
+    }
+    Map<String, Object> entityInfo = entity.getOtherInfo();
+    if (entityInfo != null) {
+      if (entityInfo.containsKey(ApplicationMetricsConstants.USER_ENTITY_INFO)) {
+        user =
+            entityInfo.get(ApplicationMetricsConstants.USER_ENTITY_INFO)
+                .toString();
+      }
+      if (field == ApplicationReportField.USER) {
+        return ApplicationReport.newInstance(
+            ConverterUtils.toApplicationId(entity.getEntityId()),
+            latestApplicationAttemptId, user, queue, name, null, -1, null, state,
+            diagnosticsInfo, null, createdTime, finishedTime, finalStatus, null,
+            null, 1.0F, type, null);
+      }
+      if (entityInfo.containsKey(ApplicationMetricsConstants.QUEUE_ENTITY_INFO)) {
+        queue =
+            entityInfo.get(ApplicationMetricsConstants.QUEUE_ENTITY_INFO)
+                .toString();
+      }
+      if (entityInfo.containsKey(ApplicationMetricsConstants.NAME_ENTITY_INFO)) {
+        name =
+            entityInfo.get(ApplicationMetricsConstants.NAME_ENTITY_INFO)
+                .toString();
+      }
+      if (entityInfo.containsKey(ApplicationMetricsConstants.TYPE_ENTITY_INFO)) {
+        type =
+            entityInfo.get(ApplicationMetricsConstants.TYPE_ENTITY_INFO)
+                .toString();
+      }
+    }
+    List<TimelineEvent> events = entity.getEvents();
+    if (events != null) {
+      for (TimelineEvent event : events) {
+        if (event.getEventType().equals(
+            ApplicationMetricsConstants.CREATED_EVENT_TYPE)) {
+          createdTime = event.getTimestamp();
+        } else if (event.getEventType().equals(
+            ApplicationMetricsConstants.FINISHED_EVENT_TYPE)) {
+          finishedTime = event.getTimestamp();
+          Map<String, Object> eventInfo = event.getEventInfo();
+          if (eventInfo == null) {
+            continue;
+          }
+          if (eventInfo
+              .containsKey(ApplicationMetricsConstants.LATEST_APP_ATTEMPT_EVENT_INFO)) {
+            latestApplicationAttemptId =
+                ConverterUtils
+                    .toApplicationAttemptId(
+                    eventInfo
+                        .get(
+                            ApplicationMetricsConstants.LATEST_APP_ATTEMPT_EVENT_INFO)
+                        .toString());
+          }
+          if (eventInfo
+              .containsKey(ApplicationMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)) {
+            diagnosticsInfo =
+                eventInfo.get(
+                    ApplicationMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(ApplicationMetricsConstants.FINAL_STATUS_EVENT_INFO)) {
+            finalStatus =
+                FinalApplicationStatus.valueOf(eventInfo.get(
+                    ApplicationMetricsConstants.FINAL_STATUS_EVENT_INFO)
+                    .toString());
+          }
+          if (eventInfo
+              .containsKey(ApplicationMetricsConstants.STATE_EVENT_INFO)) {
+            state =
+                YarnApplicationState.valueOf(eventInfo.get(
+                    ApplicationMetricsConstants.STATE_EVENT_INFO).toString());
+          }
+        }
+      }
+    }
+    return ApplicationReport.newInstance(
+        ConverterUtils.toApplicationId(entity.getEntityId()),
+        latestApplicationAttemptId, user, queue, name, null, -1, null, state,
+        diagnosticsInfo, null, createdTime, finishedTime, finalStatus, null,
+        null, 1.0F, type, null);
+  }
+
+  private static ApplicationAttemptReport convertToApplicationAttemptReport(
+      TimelineEntity entity) {
+    String host = null;
+    int rpcPort = -1;
+    ContainerId amContainerId = null;
+    String trackingUrl = null;
+    String originalTrackingUrl = null;
+    String diagnosticsInfo = null;
+    YarnApplicationAttemptState state = null;
+    List<TimelineEvent> events = entity.getEvents();
+    if (events != null) {
+      for (TimelineEvent event : events) {
+        if (event.getEventType().equals(
+            AppAttemptMetricsConstants.REGISTERED_EVENT_TYPE)) {
+          Map<String, Object> eventInfo = event.getEventInfo();
+          if (eventInfo == null) {
+            continue;
+          }
+          if (eventInfo.containsKey(AppAttemptMetricsConstants.HOST_EVENT_INFO)) {
+            host =
+                eventInfo.get(AppAttemptMetricsConstants.HOST_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.RPC_PORT_EVENT_INFO)) {
+            rpcPort = (Integer) eventInfo.get(
+                    AppAttemptMetricsConstants.RPC_PORT_EVENT_INFO);
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.MASTER_CONTAINER_EVENT_INFO)) {
+            amContainerId =
+                ConverterUtils.toContainerId(eventInfo.get(
+                    AppAttemptMetricsConstants.MASTER_CONTAINER_EVENT_INFO)
+                    .toString());
+          }
+        } else if (event.getEventType().equals(
+            AppAttemptMetricsConstants.FINISHED_EVENT_TYPE)) {
+          Map<String, Object> eventInfo = event.getEventInfo();
+          if (eventInfo == null) {
+            continue;
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO)) {
+            trackingUrl =
+                eventInfo.get(
+                    AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO)) {
+            originalTrackingUrl =
+                eventInfo
+                    .get(
+                        AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)) {
+            diagnosticsInfo =
+                eventInfo.get(
+                    AppAttemptMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(AppAttemptMetricsConstants.STATE_EVENT_INFO)) {
+            state =
+                YarnApplicationAttemptState.valueOf(eventInfo.get(
+                    AppAttemptMetricsConstants.STATE_EVENT_INFO)
+                    .toString());
+          }
+        }
+      }
+    }
+    return ApplicationAttemptReport.newInstance(
+        ConverterUtils.toApplicationAttemptId(entity.getEntityId()),
+        host, rpcPort, trackingUrl, originalTrackingUrl, diagnosticsInfo,
+        state, amContainerId);
+  }
+
+  private static ContainerReport convertToContainerReport(
+      TimelineEntity entity, String serverHttpAddress, String user) {
+    int allocatedMem = 0;
+    int allocatedVcore = 0;
+    String allocatedHost = null;
+    int allocatedPort = -1;
+    int allocatedPriority = 0;
+    long createdTime = 0;
+    long finishedTime = 0;
+    String diagnosticsInfo = null;
+    int exitStatus = ContainerExitStatus.INVALID;
+    ContainerState state = null;
+    Map<String, Object> entityInfo = entity.getOtherInfo();
+    if (entityInfo != null) {
+      if (entityInfo
+          .containsKey(ContainerMetricsConstants.ALLOCATED_MEMORY_ENTITY_INFO)) {
+        allocatedMem = (Integer) entityInfo.get(
+                ContainerMetricsConstants.ALLOCATED_MEMORY_ENTITY_INFO);
+      }
+      if (entityInfo
+          .containsKey(ContainerMetricsConstants.ALLOCATED_VCORE_ENTITY_INFO)) {
+        allocatedVcore = (Integer) entityInfo.get(
+                ContainerMetricsConstants.ALLOCATED_VCORE_ENTITY_INFO);
+      }
+      if (entityInfo
+          .containsKey(ContainerMetricsConstants.ALLOCATED_HOST_ENTITY_INFO)) {
+        allocatedHost =
+            entityInfo
+                .get(ContainerMetricsConstants.ALLOCATED_HOST_ENTITY_INFO)
+                .toString();
+      }
+      if (entityInfo
+          .containsKey(ContainerMetricsConstants.ALLOCATED_PORT_ENTITY_INFO)) {
+        allocatedPort = (Integer) entityInfo.get(
+                ContainerMetricsConstants.ALLOCATED_PORT_ENTITY_INFO);
+      }
+      if (entityInfo
+          .containsKey(ContainerMetricsConstants.ALLOCATED_PRIORITY_ENTITY_INFO)) {
+        allocatedPriority = (Integer) entityInfo.get(
+                ContainerMetricsConstants.ALLOCATED_PRIORITY_ENTITY_INFO);
+      }
+    }
+    List<TimelineEvent> events = entity.getEvents();
+    if (events != null) {
+      for (TimelineEvent event : events) {
+        if (event.getEventType().equals(
+            ContainerMetricsConstants.CREATED_EVENT_TYPE)) {
+          createdTime = event.getTimestamp();
+        } else if (event.getEventType().equals(
+            ContainerMetricsConstants.FINISHED_EVENT_TYPE)) {
+          finishedTime = event.getTimestamp();
+          Map<String, Object> eventInfo = event.getEventInfo();
+          if (eventInfo == null) {
+            continue;
+          }
+          if (eventInfo
+              .containsKey(ContainerMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)) {
+            diagnosticsInfo =
+                eventInfo.get(
+                    ContainerMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO)
+                    .toString();
+          }
+          if (eventInfo
+              .containsKey(ContainerMetricsConstants.EXIT_STATUS_EVENT_INFO)) {
+            exitStatus = (Integer) eventInfo.get(
+                    ContainerMetricsConstants.EXIT_STATUS_EVENT_INFO);
+          }
+          if (eventInfo
+              .containsKey(ContainerMetricsConstants.STATE_EVENT_INFO)) {
+            state =
+                ContainerState.valueOf(eventInfo.get(
+                    ContainerMetricsConstants.STATE_EVENT_INFO).toString());
+          }
+        }
+      }
+    }
+    NodeId allocatedNode = NodeId.newInstance(allocatedHost, allocatedPort);
+    ContainerId containerId =
+        ConverterUtils.toContainerId(entity.getEntityId());
+    String logUrl = WebAppUtils.getAggregatedLogURL(
+        serverHttpAddress,
+        allocatedNode.toString(),
+        containerId.toString(),
+        containerId.toString(),
+        user);
+    return ContainerReport.newInstance(
+        ConverterUtils.toContainerId(entity.getEntityId()),
+        Resource.newInstance(allocatedMem, allocatedVcore),
+        NodeId.newInstance(allocatedHost, allocatedPort),
+        Priority.newInstance(allocatedPriority),
+        createdTime, finishedTime, diagnosticsInfo, logUrl, exitStatus, state);
+  }
+
+  private ApplicationReport generateApplicationReport(TimelineEntity entity,
+      ApplicationReportField field) throws YarnException, IOException {
+    ApplicationReport app = convertToApplicationReport(entity, field);
+    if (field == ApplicationReportField.ALL &&
+        app != null && app.getCurrentApplicationAttemptId() != null) {
+      ApplicationAttemptReport appAttempt =
+          getApplicationAttempt(app.getCurrentApplicationAttemptId());
+      if (appAttempt != null) {
+        app.setHost(appAttempt.getHost());
+        app.setRpcPort(appAttempt.getRpcPort());
+        app.setTrackingUrl(appAttempt.getTrackingUrl());
+        app.setOriginalTrackingUrl(appAttempt.getOriginalTrackingUrl());
+      }
+    }
+    return app;
+  }
+
+  private ApplicationReport getApplication(ApplicationId appId,
+      ApplicationReportField field) throws YarnException, IOException {
+    TimelineEntity entity = timelineDataManager.getEntity(
+        ApplicationMetricsConstants.ENTITY_TYPE,
+        appId.toString(), EnumSet.allOf(Field.class),
+        UserGroupInformation.getLoginUser());
+    if (entity == null) {
+      throw new ApplicationNotFoundException("The entity for application " +
+          appId + " doesn't exist in the timeline store");
+    } else {
+      return generateApplicationReport(entity, field);
+    }
+  }
+
+  private static enum ApplicationReportField {
+    ALL, // retrieve all the fields
+    NONE, // retrieve no fields
+    USER // retrieve user info only
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryServer.java

@@ -170,7 +170,16 @@ public class ApplicationHistoryServer extends CompositeService {
 
   private ApplicationHistoryManager createApplicationHistoryManager(
       Configuration conf) {
-    return new ApplicationHistoryManagerImpl();
+    // Backward compatibility:
+    // APPLICATION_HISTORY_STORE is neither null nor empty, it means that the
+    // user has enabled it explicitly.
+    if (conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE) == null ||
+        conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE).length() == 0) {
+      return new ApplicationHistoryManagerOnTimelineStore(timelineDataManager);
+    } else {
+      LOG.warn("The filesystem based application history store is deprecated.");
+      return new ApplicationHistoryManagerImpl();
+    }
   }
 
   private TimelineStore createTimelineStore(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/FileSystemApplicationHistoryStore.java

@@ -117,7 +117,8 @@ public class FileSystemApplicationHistoryStore extends AbstractService
   @Override
   public void serviceInit(Configuration conf) throws Exception {
     Path fsWorkingPath =
-        new Path(conf.get(YarnConfiguration.FS_APPLICATION_HISTORY_STORE_URI));
+        new Path(conf.get(YarnConfiguration.FS_APPLICATION_HISTORY_STORE_URI,
+            conf.get("hadoop.tmp.dir") + "/yarn/timeline/generic-history"));
     rootDirPath = new Path(fsWorkingPath, ROOT_DIR_NAME);
     try {
       fs = getFileSystem(fsWorkingPath, conf);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/timeline/MemoryTimelineStore.java

@@ -49,6 +49,8 @@ import org.apache.hadoop.yarn.api.records.timeline.TimelinePutResponse.TimelineP
  * they may encounter reading and writing history data in different memory
  * store.
  * 
+ * The methods are synchronized to avoid concurrent modification on the memory.
+ * 
  */
 @Private
 @Unstable
@@ -65,7 +67,7 @@ public class MemoryTimelineStore
   }
 
   @Override
-  public TimelineEntities getEntities(String entityType, Long limit,
+  public synchronized TimelineEntities getEntities(String entityType, Long limit,
       Long windowStart, Long windowEnd, String fromId, Long fromTs,
       NameValuePair primaryFilter, Collection<NameValuePair> secondaryFilters,
       EnumSet<Field> fields) {
@@ -148,7 +150,7 @@ public class MemoryTimelineStore
   }
 
   @Override
-  public TimelineEntity getEntity(String entityId, String entityType,
+  public synchronized TimelineEntity getEntity(String entityId, String entityType,
       EnumSet<Field> fieldsToRetrieve) {
     if (fieldsToRetrieve == null) {
       fieldsToRetrieve = EnumSet.allOf(Field.class);
@@ -162,7 +164,7 @@ public class MemoryTimelineStore
   }
 
   @Override
-  public TimelineEvents getEntityTimelines(String entityType,
+  public synchronized TimelineEvents getEntityTimelines(String entityType,
       SortedSet<String> entityIds, Long limit, Long windowStart,
       Long windowEnd,
       Set<String> eventTypes) {
@@ -209,7 +211,7 @@ public class MemoryTimelineStore
   }
 
   @Override
-  public TimelinePutResponse put(TimelineEntities data) {
+  public synchronized TimelinePutResponse put(TimelineEntities data) {
     TimelinePutResponse response = new TimelinePutResponse();
     for (TimelineEntity entity : data.getEntities()) {
       EntityIdentifier entityId =

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestApplicationHistoryClientService.java

@@ -64,6 +64,7 @@ public class TestApplicationHistoryClientService extends
         WebAppUtils.getAHSWebAppURLWithoutScheme(config) +
         "/applicationhistory/logs/localhost:0/container_0_0001_01_000001/" +
         "container_0_0001_01_000001/test user";
+    config.setBoolean(YarnConfiguration.APPLICATION_HISTORY_ENABLED, true);
     config.setClass(YarnConfiguration.APPLICATION_HISTORY_STORE,
       MemoryApplicationHistoryStore.class, ApplicationHistoryStore.class);
     historyServer.init(config);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/test/java/org/apache/hadoop/yarn/server/applicationhistoryservice/TestApplicationHistoryManagerOnTimelineStore.java

@@ -0,0 +1,317 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.applicationhistoryservice;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+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.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerReport;
+import org.apache.hadoop.yarn.api.records.ContainerState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.metrics.AppAttemptMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ContainerMetricsConstants;
+import org.apache.hadoop.yarn.server.timeline.MemoryTimelineStore;
+import org.apache.hadoop.yarn.server.timeline.TimelineDataManager;
+import org.apache.hadoop.yarn.server.timeline.TimelineStore;
+import org.apache.hadoop.yarn.server.timeline.security.TimelineACLsManager;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class TestApplicationHistoryManagerOnTimelineStore {
+
+  private static ApplicationHistoryManagerOnTimelineStore historyManager;
+  private static final int SCALE = 5;
+
+  @BeforeClass
+  public static void setup() throws Exception {
+    YarnConfiguration conf = new YarnConfiguration();
+    TimelineStore store = new MemoryTimelineStore();
+    prepareTimelineStore(store);
+    TimelineACLsManager aclsManager = new TimelineACLsManager(conf);
+    TimelineDataManager dataManager =
+        new TimelineDataManager(store, aclsManager);
+    historyManager = new ApplicationHistoryManagerOnTimelineStore(dataManager);
+    historyManager.init(conf);
+    historyManager.start();
+  }
+
+  @AfterClass
+  public static void tearDown() {
+    if (historyManager != null) {
+      historyManager.stop();
+    }
+  }
+
+  private static void prepareTimelineStore(TimelineStore store)
+      throws Exception {
+    for (int i = 1; i <= SCALE; ++i) {
+      TimelineEntities entities = new TimelineEntities();
+      ApplicationId appId = ApplicationId.newInstance(0, i);
+      entities.addEntity(createApplicationTimelineEntity(appId));
+      store.put(entities);
+      for (int j = 1; j <= SCALE; ++j) {
+        entities = new TimelineEntities();
+        ApplicationAttemptId appAttemptId =
+            ApplicationAttemptId.newInstance(appId, j);
+        entities.addEntity(createAppAttemptTimelineEntity(appAttemptId));
+        store.put(entities);
+        for (int k = 1; k <= SCALE; ++k) {
+          entities = new TimelineEntities();
+          ContainerId containerId = ContainerId.newInstance(appAttemptId, k);
+          entities.addEntity(createContainerEntity(containerId));
+          store.put(entities);
+        }
+      }
+    }
+  }
+
+  @Test
+  public void testGetApplicationReport() throws Exception {
+    ApplicationId appId = ApplicationId.newInstance(0, 1);
+    ApplicationReport app = historyManager.getApplication(appId);
+    Assert.assertNotNull(app);
+    Assert.assertEquals(appId, app.getApplicationId());
+    Assert.assertEquals("test app", app.getName());
+    Assert.assertEquals("test app type", app.getApplicationType());
+    Assert.assertEquals("test user", app.getUser());
+    Assert.assertEquals("test queue", app.getQueue());
+    Assert.assertEquals(Integer.MAX_VALUE + 2L, app.getStartTime());
+    Assert.assertEquals(Integer.MAX_VALUE + 3L, app.getFinishTime());
+    Assert.assertTrue(Math.abs(app.getProgress() - 1.0F) < 0.0001);
+    Assert.assertEquals("test host", app.getHost());
+    Assert.assertEquals(-100, app.getRpcPort());
+    Assert.assertEquals("test tracking url", app.getTrackingUrl());
+    Assert.assertEquals("test original tracking url",
+        app.getOriginalTrackingUrl());
+    Assert.assertEquals("test diagnostics info", app.getDiagnostics());
+    Assert.assertEquals(FinalApplicationStatus.UNDEFINED,
+        app.getFinalApplicationStatus());
+    Assert.assertEquals(YarnApplicationState.FINISHED,
+        app.getYarnApplicationState());
+  }
+
+  @Test
+  public void testGetApplicationAttemptReport() throws Exception {
+    ApplicationAttemptId appAttemptId =
+        ApplicationAttemptId.newInstance(ApplicationId.newInstance(0, 1), 1);
+    ApplicationAttemptReport appAttempt =
+        historyManager.getApplicationAttempt(appAttemptId);
+    Assert.assertNotNull(appAttempt);
+    Assert.assertEquals(appAttemptId, appAttempt.getApplicationAttemptId());
+    Assert.assertEquals(ContainerId.newInstance(appAttemptId, 1),
+        appAttempt.getAMContainerId());
+    Assert.assertEquals("test host", appAttempt.getHost());
+    Assert.assertEquals(-100, appAttempt.getRpcPort());
+    Assert.assertEquals("test tracking url", appAttempt.getTrackingUrl());
+    Assert.assertEquals("test original tracking url",
+        appAttempt.getOriginalTrackingUrl());
+    Assert.assertEquals("test diagnostics info", appAttempt.getDiagnostics());
+    Assert.assertEquals(YarnApplicationAttemptState.FINISHED,
+        appAttempt.getYarnApplicationAttemptState());
+  }
+
+  @Test
+  public void testGetContainerReport() throws Exception {
+    ContainerId containerId =
+        ContainerId.newInstance(ApplicationAttemptId.newInstance(
+            ApplicationId.newInstance(0, 1), 1), 1);
+    ContainerReport container = historyManager.getContainer(containerId);
+    Assert.assertNotNull(container);
+    Assert.assertEquals(Integer.MAX_VALUE + 1L, container.getCreationTime());
+    Assert.assertEquals(Integer.MAX_VALUE + 2L, container.getFinishTime());
+    Assert.assertEquals(Resource.newInstance(-1, -1),
+        container.getAllocatedResource());
+    Assert.assertEquals(NodeId.newInstance("test host", -100),
+        container.getAssignedNode());
+    Assert.assertEquals(Priority.UNDEFINED, container.getPriority());
+    Assert
+        .assertEquals("test diagnostics info", container.getDiagnosticsInfo());
+    Assert.assertEquals(ContainerState.COMPLETE, container.getContainerState());
+    Assert.assertEquals(-1, container.getContainerExitStatus());
+    Assert.assertEquals("http://0.0.0.0:8188/applicationhistory/logs/" +
+        "test host:-100/container_0_0001_01_000001/"
+        + "container_0_0001_01_000001/test user", container.getLogUrl());
+  }
+
+  @Test
+  public void testGetApplications() throws Exception {
+    Collection<ApplicationReport> apps =
+        historyManager.getAllApplications().values();
+    Assert.assertNotNull(apps);
+    Assert.assertEquals(SCALE, apps.size());
+  }
+
+  @Test
+  public void testGetApplicationAttempts() throws Exception {
+    Collection<ApplicationAttemptReport> appAttempts =
+        historyManager.getApplicationAttempts(ApplicationId.newInstance(0, 1))
+            .values();
+    Assert.assertNotNull(appAttempts);
+    Assert.assertEquals(SCALE, appAttempts.size());
+  }
+
+  @Test
+  public void testGetContainers() throws Exception {
+    Collection<ContainerReport> containers =
+        historyManager
+            .getContainers(
+                ApplicationAttemptId.newInstance(
+                    ApplicationId.newInstance(0, 1), 1)).values();
+    Assert.assertNotNull(containers);
+    Assert.assertEquals(SCALE, containers.size());
+  }
+
+  @Test
+  public void testGetAMContainer() throws Exception {
+    ApplicationAttemptId appAttemptId =
+        ApplicationAttemptId.newInstance(ApplicationId.newInstance(0, 1), 1);
+    ContainerReport container = historyManager.getAMContainer(appAttemptId);
+    Assert.assertNotNull(container);
+    Assert.assertEquals(appAttemptId, container.getContainerId()
+        .getApplicationAttemptId());
+  }
+
+  private static TimelineEntity createApplicationTimelineEntity(
+      ApplicationId appId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(ApplicationMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(appId.toString());
+    Map<String, Object> entityInfo = new HashMap<String, Object>();
+    entityInfo.put(ApplicationMetricsConstants.NAME_ENTITY_INFO, "test app");
+    entityInfo.put(ApplicationMetricsConstants.TYPE_ENTITY_INFO,
+        "test app type");
+    entityInfo.put(ApplicationMetricsConstants.USER_ENTITY_INFO, "test user");
+    entityInfo.put(ApplicationMetricsConstants.QUEUE_ENTITY_INFO, "test queue");
+    entityInfo.put(ApplicationMetricsConstants.SUBMITTED_TIME_ENTITY_INFO,
+        Integer.MAX_VALUE + 1L);
+    entity.setOtherInfo(entityInfo);
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(ApplicationMetricsConstants.CREATED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 2L);
+    entity.addEvent(tEvent);
+    tEvent = new TimelineEvent();
+    tEvent.setEventType(
+        ApplicationMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 3L);
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(ApplicationMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        "test diagnostics info");
+    eventInfo.put(ApplicationMetricsConstants.FINAL_STATUS_EVENT_INFO,
+        FinalApplicationStatus.UNDEFINED.toString());
+    eventInfo.put(ApplicationMetricsConstants.STATE_EVENT_INFO,
+        YarnApplicationState.FINISHED.toString());
+    eventInfo.put(ApplicationMetricsConstants.LATEST_APP_ATTEMPT_EVENT_INFO,
+        ApplicationAttemptId.newInstance(appId, 1));
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    return entity;
+  }
+
+  private static TimelineEntity createAppAttemptTimelineEntity(
+      ApplicationAttemptId appAttemptId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(AppAttemptMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(appAttemptId.toString());
+    entity.addPrimaryFilter(AppAttemptMetricsConstants.PARENT_PRIMARY_FILTER,
+        appAttemptId.getApplicationId().toString());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(AppAttemptMetricsConstants.REGISTERED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 1L);
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO,
+        "test tracking url");
+    eventInfo.put(AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO,
+        "test original tracking url");
+    eventInfo.put(AppAttemptMetricsConstants.HOST_EVENT_INFO, "test host");
+    eventInfo.put(AppAttemptMetricsConstants.RPC_PORT_EVENT_INFO, -100);
+    eventInfo.put(AppAttemptMetricsConstants.MASTER_CONTAINER_EVENT_INFO,
+        ContainerId.newInstance(appAttemptId, 1));
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    tEvent = new TimelineEvent();
+    tEvent.setEventType(AppAttemptMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 2L);
+    eventInfo = new HashMap<String, Object>();
+    eventInfo.put(AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO,
+        "test tracking url");
+    eventInfo.put(AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO,
+        "test original tracking url");
+    eventInfo.put(AppAttemptMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        "test diagnostics info");
+    eventInfo.put(AppAttemptMetricsConstants.FINAL_STATUS_EVENT_INFO,
+        FinalApplicationStatus.UNDEFINED.toString());
+    eventInfo.put(AppAttemptMetricsConstants.STATE_EVENT_INFO,
+        YarnApplicationAttemptState.FINISHED.toString());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    return entity;
+  }
+
+  private static TimelineEntity createContainerEntity(ContainerId containerId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(ContainerMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(containerId.toString());
+    entity.addPrimaryFilter(ContainerMetricsConstants.PARENT_PRIMARIY_FILTER,
+        containerId.getApplicationAttemptId().toString());
+    Map<String, Object> entityInfo = new HashMap<String, Object>();
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_MEMORY_ENTITY_INFO, -1);
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_VCORE_ENTITY_INFO, -1);
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_HOST_ENTITY_INFO,
+        "test host");
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_PORT_ENTITY_INFO, -100);
+    entityInfo
+        .put(ContainerMetricsConstants.ALLOCATED_PRIORITY_ENTITY_INFO, -1);
+    entity.setOtherInfo(entityInfo);
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(ContainerMetricsConstants.CREATED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 1L);
+    entity.addEvent(tEvent);
+    ;
+    tEvent = new TimelineEvent();
+    tEvent.setEventType(ContainerMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(Integer.MAX_VALUE + 2L);
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(ContainerMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        "test diagnostics info");
+    eventInfo.put(ContainerMetricsConstants.EXIT_STATUS_EVENT_INFO, -1);
+    eventInfo.put(ContainerMetricsConstants.STATE_EVENT_INFO,
+        ContainerState.COMPLETE.toString());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    return entity;
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/api/ApplicationContext.java

@@ -21,17 +21,14 @@ package org.apache.hadoop.yarn.server.api;
 import java.io.IOException;
 import java.util.Map;
 
-import org.apache.hadoop.classification.InterfaceAudience.Public;
-import org.apache.hadoop.classification.InterfaceStability.Unstable;
 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.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerReport;
+import org.apache.hadoop.yarn.exceptions.YarnException;
 
-@Public
-@Unstable
 public interface ApplicationContext {
   /**
    * This method returns Application {@link ApplicationReport} for the specified
@@ -40,21 +37,21 @@ public interface ApplicationContext {
    * @param appId
    * 
    * @return {@link ApplicationReport} for the ApplicationId.
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
-  ApplicationReport getApplication(ApplicationId appId) throws IOException;
+  ApplicationReport getApplication(ApplicationId appId)
+      throws YarnException, IOException;
 
   /**
    * This method returns all Application {@link ApplicationReport}s
    * 
    * @return map of {@link ApplicationId} to {@link ApplicationReport}s.
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
-  Map<ApplicationId, ApplicationReport> getAllApplications() throws IOException;
+  Map<ApplicationId, ApplicationReport> getAllApplications()
+      throws YarnException, IOException;
 
   /**
    * Application can have multiple application attempts
@@ -64,12 +61,11 @@ public interface ApplicationContext {
    * @param appId
    * 
    * @return all {@link ApplicationAttemptReport}s for the Application.
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
   Map<ApplicationAttemptId, ApplicationAttemptReport> getApplicationAttempts(
-      ApplicationId appId) throws IOException;
+      ApplicationId appId) throws YarnException, IOException;
 
   /**
    * This method returns {@link ApplicationAttemptReport} for specified
@@ -78,12 +74,11 @@ public interface ApplicationContext {
    * @param appAttemptId
    *          {@link ApplicationAttemptId}
    * @return {@link ApplicationAttemptReport} for ApplicationAttemptId
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
   ApplicationAttemptReport getApplicationAttempt(
-      ApplicationAttemptId appAttemptId) throws IOException;
+      ApplicationAttemptId appAttemptId) throws YarnException, IOException;
 
   /**
    * This method returns {@link ContainerReport} for specified
@@ -92,11 +87,11 @@ public interface ApplicationContext {
    * @param containerId
    *          {@link ContainerId}
    * @return {@link ContainerReport} for ContainerId
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
-  ContainerReport getContainer(ContainerId containerId) throws IOException;
+  ContainerReport getContainer(ContainerId containerId)
+      throws YarnException, IOException;
 
   /**
    * This method returns {@link ContainerReport} for specified
@@ -105,12 +100,11 @@ public interface ApplicationContext {
    * @param appAttemptId
    *          {@link ApplicationAttemptId}
    * @return {@link ContainerReport} for ApplicationAttemptId
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
   ContainerReport getAMContainer(ApplicationAttemptId appAttemptId)
-      throws IOException;
+      throws YarnException, IOException;
 
   /**
    * This method returns Map of {@link ContainerId} to {@link ContainerReport}
@@ -120,10 +114,9 @@ public interface ApplicationContext {
    *          {@link ApplicationAttemptId}
    * @return Map of {@link ContainerId} to {@link ContainerReport} for
    *         ApplicationAttemptId
+   * @throws YarnException
    * @throws IOException
    */
-  @Public
-  @Unstable
   Map<ContainerId, ContainerReport> getContainers(
-      ApplicationAttemptId appAttemptId) throws IOException;
+      ApplicationAttemptId appAttemptId) throws YarnException, IOException;
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/metrics/AppAttemptMetricsConstants.java

@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+
+@Private
+@Unstable
+public class AppAttemptMetricsConstants {
+
+  public static final String ENTITY_TYPE =
+      "YARN_APPLICATION_ATTEMPT";
+
+  public static final String REGISTERED_EVENT_TYPE =
+      "YARN_APPLICATION_ATTEMPT_REGISTERED";
+
+  public static final String FINISHED_EVENT_TYPE =
+      "YARN_APPLICATION_ATTEMPT_FINISHED";
+
+  public static final String PARENT_PRIMARY_FILTER =
+      "YARN_APPLICATION_ATTEMPT_PARENT";
+      
+  public static final String TRACKING_URL_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_TRACKING_URL";
+
+  public static final String ORIGINAL_TRACKING_URL_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_ORIGINAL_TRACKING_URL";
+
+  public static final String HOST_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_HOST";
+
+  public static final String RPC_PORT_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_RPC_PORT";
+
+  public static final String MASTER_CONTAINER_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_MASTER_CONTAINER";
+
+  public static final String DIAGNOSTICS_INFO_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_DIAGNOSTICS_INFO";
+
+  public static final String FINAL_STATUS_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_FINAL_STATUS";
+
+  public static final String STATE_EVENT_INFO =
+      "YARN_APPLICATION_ATTEMPT_STATE";
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/metrics/ApplicationMetricsConstants.java

@@ -0,0 +1,64 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+
+@Private
+@Unstable
+public class ApplicationMetricsConstants {
+
+  public static final String ENTITY_TYPE =
+      "YARN_APPLICATION";
+
+  public static final String CREATED_EVENT_TYPE =
+      "YARN_APPLICATION_CREATED";
+
+  public static final String FINISHED_EVENT_TYPE =
+      "YARN_APPLICATION_FINISHED";
+
+  public static final String NAME_ENTITY_INFO =
+      "YARN_APPLICATION_NAME";
+
+  public static final String TYPE_ENTITY_INFO =
+      "YARN_APPLICATION_TYPE";
+
+  public static final String USER_ENTITY_INFO =
+      "YARN_APPLICATION_USER";
+
+  public static final String QUEUE_ENTITY_INFO =
+      "YARN_APPLICATION_QUEUE";
+
+  public static final String SUBMITTED_TIME_ENTITY_INFO =
+      "YARN_APPLICATION_SUBMITTED_TIME";
+
+  public static final String DIAGNOSTICS_INFO_EVENT_INFO =
+      "YARN_APPLICATION_DIAGNOSTICS_INFO";
+
+  public static final String FINAL_STATUS_EVENT_INFO =
+      "YARN_APPLICATION_FINAL_STATUS";
+
+  public static final String STATE_EVENT_INFO =
+      "YARN_APPLICATION_STATE";
+
+  public static final String LATEST_APP_ATTEMPT_EVENT_INFO =
+      "YARN_APPLICATION_LATEST_APP_ATTEMPT";
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/metrics/ContainerMetricsConstants.java

@@ -0,0 +1,60 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.metrics;
+
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+
+@Private
+@Unstable
+public class ContainerMetricsConstants {
+
+  public static final String ENTITY_TYPE = "YARN_CONTAINER";
+
+  public static final String CREATED_EVENT_TYPE = "YARN_CONTAINER_CREATED";
+
+  public static final String FINISHED_EVENT_TYPE = "YARN_CONTAINER_FINISHED";
+
+  public static final String PARENT_PRIMARIY_FILTER = "YARN_CONTAINER_PARENT";
+
+  public static final String ALLOCATED_MEMORY_ENTITY_INFO =
+      "YARN_CONTAINER_ALLOCATED_MEMORY";
+
+  public static final String ALLOCATED_VCORE_ENTITY_INFO =
+      "YARN_CONTAINER_ALLOCATED_VCORE";
+
+  public static final String ALLOCATED_HOST_ENTITY_INFO =
+      "YARN_CONTAINER_ALLOCATED_HOST";
+
+  public static final String ALLOCATED_PORT_ENTITY_INFO =
+      "YARN_CONTAINER_ALLOCATED_PORT";
+
+  public static final String ALLOCATED_PRIORITY_ENTITY_INFO =
+      "YARN_CONTAINER_ALLOCATED_PRIORITY";
+
+  public static final String DIAGNOSTICS_INFO_EVENT_INFO =
+      "YARN_CONTAINER_DIAGNOSTICS_INFO";
+
+  public static final String EXIT_STATUS_EVENT_INFO =
+      "YARN_CONTAINER_EXIT_STATUS";
+
+  public static final String STATE_EVENT_INFO =
+      "YARN_CONTAINER_STATE";
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppAttemptBlock.java

@@ -20,12 +20,13 @@ package org.apache.hadoop.yarn.server.webapp;
 import static org.apache.hadoop.yarn.util.StringHelper.join;
 import static org.apache.hadoop.yarn.webapp.YarnWebParams.APPLICATION_ATTEMPT_ID;
 
-import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Collection;
 
 import org.apache.commons.lang.StringEscapeUtils;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
 import org.apache.hadoop.yarn.api.records.ContainerReport;
@@ -67,10 +68,22 @@ public class AppAttemptBlock extends HtmlBlock {
       return;
     }
 
+    final ApplicationAttemptId appAttemptIdFinal = appAttemptId;
+    UserGroupInformation callerUGI = getCallerUGI();
     ApplicationAttemptReport appAttemptReport;
     try {
-      appAttemptReport = appContext.getApplicationAttempt(appAttemptId);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appAttemptReport = appContext.getApplicationAttempt(appAttemptId);
+      } else {
+        appAttemptReport = callerUGI.doAs(
+            new PrivilegedExceptionAction<ApplicationAttemptReport> () {
+          @Override
+          public ApplicationAttemptReport run() throws Exception {
+            return appContext.getApplicationAttempt(appAttemptIdFinal);
+          }
+        });
+      }
+    } catch (Exception e) {
       String message =
           "Failed to read the application attempt " + appAttemptId + ".";
       LOG.error(message, e);
@@ -108,8 +121,26 @@ public class AppAttemptBlock extends HtmlBlock {
 
     Collection<ContainerReport> containers;
     try {
-      containers = appContext.getContainers(appAttemptId).values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        containers = appContext.getContainers(appAttemptId).values();
+      } else {
+        containers = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ContainerReport>> () {
+          @Override
+          public Collection<ContainerReport> run() throws Exception {
+            return  appContext.getContainers(appAttemptIdFinal).values();
+          }
+        });
+      }
+    } catch (RuntimeException e) {
+      // have this block to suppress the findbugs warning
+      html
+      .p()
+      ._(
+        "Sorry, Failed to get containers for application attempt" + attemptid
+            + ".")._();
+      return;
+    } catch (Exception e) {
       html
         .p()
         ._(

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java

@@ -21,10 +21,11 @@ package org.apache.hadoop.yarn.server.webapp;
 import static org.apache.hadoop.yarn.util.StringHelper.join;
 import static org.apache.hadoop.yarn.webapp.YarnWebParams.APPLICATION_ID;
 
-import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Collection;
 
 import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -70,10 +71,22 @@ public class AppBlock extends HtmlBlock {
       return;
     }
 
+    final ApplicationId appIDFinal = appID;
+    UserGroupInformation callerUGI = getCallerUGI();
     ApplicationReport appReport;
     try {
-      appReport = appContext.getApplication(appID);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appReport = appContext.getApplication(appID);
+      } else {
+        appReport = callerUGI.doAs(
+            new PrivilegedExceptionAction<ApplicationReport> () {
+          @Override
+          public ApplicationReport run() throws Exception {
+            return appContext.getApplication(appIDFinal);
+          }
+        });
+      }
+    } catch (Exception e) {
       String message = "Failed to read the application " + appID + ".";
       LOG.error(message, e);
       html.p()._(message)._();
@@ -106,8 +119,18 @@ public class AppBlock extends HtmlBlock {
 
     Collection<ApplicationAttemptReport> attempts;
     try {
-      attempts = appContext.getApplicationAttempts(appID).values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        attempts = appContext.getApplicationAttempts(appID).values();
+      } else {
+        attempts = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ApplicationAttemptReport>> () {
+          @Override
+          public Collection<ApplicationAttemptReport> run() throws Exception {
+            return appContext.getApplicationAttempts(appIDFinal).values();
+          }
+        });
+      }
+    } catch (Exception e) {
       String message =
           "Failed to read the attempts of the application " + appID + ".";
       LOG.error(message, e);
@@ -122,14 +145,24 @@ public class AppBlock extends HtmlBlock {
           ._()._().tbody();
 
     StringBuilder attemptsTableData = new StringBuilder("[\n");
-    for (ApplicationAttemptReport appAttemptReport : attempts) {
+    for (final ApplicationAttemptReport appAttemptReport : attempts) {
       AppAttemptInfo appAttempt = new AppAttemptInfo(appAttemptReport);
       ContainerReport containerReport;
       try {
-        containerReport =
-            appContext.getAMContainer(appAttemptReport
+        if (callerUGI == null) {
+          containerReport = appContext.getAMContainer(appAttemptReport
               .getApplicationAttemptId());
-      } catch (IOException e) {
+        } else {
+          containerReport = callerUGI.doAs(
+              new PrivilegedExceptionAction<ContainerReport> () {
+            @Override
+            public ContainerReport run() throws Exception {
+              return appContext.getAMContainer(appAttemptReport
+                  .getApplicationAttemptId());
+            }
+          });
+        }
+      } catch (Exception e) {
         String message =
             "Failed to read the AM container of the application attempt "
                 + appAttemptReport.getApplicationAttemptId() + ".";

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java

@@ -23,11 +23,12 @@ import static org.apache.hadoop.yarn.webapp.YarnWebParams.APP_STATE;
 import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR;
 import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR_VALUE;
 
-import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Collection;
 import java.util.HashSet;
 
 import org.apache.commons.lang.StringEscapeUtils;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.server.api.ApplicationContext;
@@ -70,10 +71,21 @@ public class AppsBlock extends HtmlBlock {
       }
     }
 
+    UserGroupInformation callerUGI = getCallerUGI();
     Collection<ApplicationReport> appReports;
     try {
-      appReports = appContext.getAllApplications().values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appReports = appContext.getAllApplications().values();
+      } else {
+        appReports = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ApplicationReport>> () {
+          @Override
+          public Collection<ApplicationReport> run() throws Exception {
+            return appContext.getAllApplications().values();
+          }
+        });
+      }
+    } catch (Exception e) {
       String message = "Failed to read the applications.";
       LOG.error(message, e);
       html.p()._(message)._();
@@ -86,7 +98,7 @@ public class AppsBlock extends HtmlBlock {
         continue;
       }
       AppInfo app = new AppInfo(appReport);
-      String percent = String.format("%.1f", app.getProgress());
+      String percent = String.format("%.1f", app.getProgress() * 100.0F);
       // AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
       appsTableData
         .append("[\"<a href='")

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/ContainerBlock.java

@@ -20,10 +20,11 @@ package org.apache.hadoop.yarn.server.webapp;
 import static org.apache.hadoop.yarn.util.StringHelper.join;
 import static org.apache.hadoop.yarn.webapp.YarnWebParams.CONTAINER_ID;
 
-import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.util.StringUtils;
 import org.apache.hadoop.yarn.api.records.ContainerId;
 import org.apache.hadoop.yarn.api.records.ContainerReport;
@@ -63,10 +64,22 @@ public class ContainerBlock extends HtmlBlock {
       return;
     }
 
+    final ContainerId containerIdFinal = containerId;
+    UserGroupInformation callerUGI = getCallerUGI();
     ContainerReport containerReport;
     try {
-      containerReport = appContext.getContainer(containerId);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        containerReport = appContext.getContainer(containerId);
+      } else {
+        containerReport = callerUGI.doAs(
+            new PrivilegedExceptionAction<ContainerReport> () {
+          @Override
+          public ContainerReport run() throws Exception {
+            return appContext.getContainer(containerIdFinal);
+          }
+        });
+      }
+    } catch (Exception e) {
       String message = "Failed to read the container " + containerid + ".";
       LOG.error(message, e);
       html.p()._(message)._();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebServices.java

@@ -18,7 +18,7 @@
 
 package org.apache.hadoop.yarn.server.webapp;
 
-import java.io.IOException;
+import java.security.PrivilegedExceptionAction;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
@@ -28,6 +28,7 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.WebApplicationException;
 
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptReport;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -60,6 +61,7 @@ public class WebServices {
       String userQuery, String queueQuery, String count, String startedBegin,
       String startedEnd, String finishBegin, String finishEnd,
       Set<String> applicationTypes) {
+    UserGroupInformation callerUGI = getUser(req);
     long num = 0;
     boolean checkCount = false;
     boolean checkStart = false;
@@ -137,8 +139,18 @@ public class WebServices {
     AppsInfo allApps = new AppsInfo();
     Collection<ApplicationReport> appReports = null;
     try {
-      appReports = appContext.getAllApplications().values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appReports = appContext.getAllApplications().values();
+      } else {
+        appReports = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ApplicationReport>> () {
+          @Override
+          public Collection<ApplicationReport> run() throws Exception {
+            return appContext.getAllApplications().values();
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     for (ApplicationReport appReport : appReports) {
@@ -193,11 +205,22 @@ public class WebServices {
 
   public AppInfo getApp(HttpServletRequest req, HttpServletResponse res,
       String appId) {
-    ApplicationId id = parseApplicationId(appId);
+    UserGroupInformation callerUGI = getUser(req);
+    final ApplicationId id = parseApplicationId(appId);
     ApplicationReport app = null;
     try {
-      app = appContext.getApplication(id);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        app = appContext.getApplication(id);
+      } else {
+        app = callerUGI.doAs(
+            new PrivilegedExceptionAction<ApplicationReport> () {
+          @Override
+          public ApplicationReport run() throws Exception {
+            return appContext.getApplication(id);
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     if (app == null) {
@@ -208,11 +231,22 @@ public class WebServices {
 
   public AppAttemptsInfo getAppAttempts(HttpServletRequest req,
       HttpServletResponse res, String appId) {
-    ApplicationId id = parseApplicationId(appId);
+    UserGroupInformation callerUGI = getUser(req);
+    final ApplicationId id = parseApplicationId(appId);
     Collection<ApplicationAttemptReport> appAttemptReports = null;
     try {
-      appAttemptReports = appContext.getApplicationAttempts(id).values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appAttemptReports = appContext.getApplicationAttempts(id).values();
+      } else {
+        appAttemptReports = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ApplicationAttemptReport>> () {
+          @Override
+          public Collection<ApplicationAttemptReport> run() throws Exception {
+            return appContext.getApplicationAttempts(id).values();
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     AppAttemptsInfo appAttemptsInfo = new AppAttemptsInfo();
@@ -226,13 +260,24 @@ public class WebServices {
 
   public AppAttemptInfo getAppAttempt(HttpServletRequest req,
       HttpServletResponse res, String appId, String appAttemptId) {
+    UserGroupInformation callerUGI = getUser(req);
     ApplicationId aid = parseApplicationId(appId);
-    ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
+    final ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
     validateIds(aid, aaid, null);
     ApplicationAttemptReport appAttempt = null;
     try {
-      appAttempt = appContext.getApplicationAttempt(aaid);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        appAttempt = appContext.getApplicationAttempt(aaid);
+      } else {
+        appAttempt = callerUGI.doAs(
+            new PrivilegedExceptionAction<ApplicationAttemptReport> () {
+          @Override
+          public ApplicationAttemptReport run() throws Exception {
+            return appContext.getApplicationAttempt(aaid);
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     if (appAttempt == null) {
@@ -244,13 +289,24 @@ public class WebServices {
 
   public ContainersInfo getContainers(HttpServletRequest req,
       HttpServletResponse res, String appId, String appAttemptId) {
+    UserGroupInformation callerUGI = getUser(req);
     ApplicationId aid = parseApplicationId(appId);
-    ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
+    final ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
     validateIds(aid, aaid, null);
     Collection<ContainerReport> containerReports = null;
     try {
-      containerReports = appContext.getContainers(aaid).values();
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        containerReports = appContext.getContainers(aaid).values();
+      } else {
+        containerReports = callerUGI.doAs(
+            new PrivilegedExceptionAction<Collection<ContainerReport>> () {
+          @Override
+          public Collection<ContainerReport> run() throws Exception {
+            return appContext.getContainers(aaid).values();
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     ContainersInfo containersInfo = new ContainersInfo();
@@ -264,14 +320,25 @@ public class WebServices {
   public ContainerInfo getContainer(HttpServletRequest req,
       HttpServletResponse res, String appId, String appAttemptId,
       String containerId) {
+    UserGroupInformation callerUGI = getUser(req);
     ApplicationId aid = parseApplicationId(appId);
     ApplicationAttemptId aaid = parseApplicationAttemptId(appAttemptId);
-    ContainerId cid = parseContainerId(containerId);
+    final ContainerId cid = parseContainerId(containerId);
     validateIds(aid, aaid, cid);
     ContainerReport container = null;
     try {
-      container = appContext.getContainer(cid);
-    } catch (IOException e) {
+      if (callerUGI == null) {
+        container = appContext.getContainer(cid);
+      } else {
+        container = callerUGI.doAs(
+            new PrivilegedExceptionAction<ContainerReport> () {
+          @Override
+          public ContainerReport run() throws Exception {
+            return appContext.getContainer(cid);
+          }
+        });
+      }
+    } catch (Exception e) {
       throw new WebApplicationException(e);
     }
     if (container == null) {
@@ -364,4 +431,14 @@ public class WebServices {
       throw new NotFoundException("appAttemptId and containerId don't match");
     }
   }
+
+  protected static UserGroupInformation getUser(HttpServletRequest req) {
+    String remoteUser = req.getRemoteUser();
+    UserGroupInformation callerUGI = null;
+    if (remoteUser != null) {
+      callerUGI = UserGroupInformation.createRemoteUser(remoteUser);
+    }
+    return callerUGI;
+  }
+
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppAttemptInfo.java

@@ -33,6 +33,7 @@ public class AppAttemptInfo {
   protected String host;
   protected int rpcPort;
   protected String trackingUrl;
+  protected String originalTrackingUrl;
   protected String diagnosticsInfo;
   protected YarnApplicationAttemptState appAttemptState;
   protected String amContainerId;
@@ -46,6 +47,7 @@ public class AppAttemptInfo {
     host = appAttempt.getHost();
     rpcPort = appAttempt.getRpcPort();
     trackingUrl = appAttempt.getTrackingUrl();
+    originalTrackingUrl = appAttempt.getOriginalTrackingUrl();
     diagnosticsInfo = appAttempt.getDiagnostics();
     appAttemptState = appAttempt.getYarnApplicationAttemptState();
     if (appAttempt.getAMContainerId() != null) {
@@ -69,6 +71,10 @@ public class AppAttemptInfo {
     return trackingUrl;
   }
 
+  public String getOriginalTrackingUrl() {
+    return originalTrackingUrl;
+  }
+
   public String getDiagnosticsInfo() {
     return diagnosticsInfo;
   }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java

@@ -23,7 +23,6 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlRootElement;
 
 import org.apache.hadoop.yarn.api.records.ApplicationReport;
-import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.YarnApplicationState;
 import org.apache.hadoop.yarn.util.Times;
@@ -50,8 +49,6 @@ public class AppInfo {
   protected long startedTime;
   protected long finishedTime;
   protected long elapsedTime;
-  protected int allocatedMB;
-  protected int allocatedVCores;
 
   public AppInfo() {
     // JAXB needs this
@@ -77,12 +74,6 @@ public class AppInfo {
     finishedTime = app.getFinishTime();
     elapsedTime = Times.elapsed(startedTime, finishedTime);
     finalAppStatus = app.getFinalApplicationStatus();
-    ApplicationResourceUsageReport usage =
-        app.getApplicationResourceUsageReport();
-    if (usage != null) {
-      allocatedMB = usage.getUsedResources().getMemory();
-      allocatedVCores = usage.getUsedResources().getVirtualCores();
-    }
     progress = app.getProgress();
   }
 
@@ -158,12 +149,4 @@ public class AppInfo {
     return elapsedTime;
   }
 
-  public int getAllocatedMB() {
-    return allocatedMB;
-  }
-
-  public int getAllocatedVCores() {
-    return allocatedVCores;
-  }
-
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContext.java

@@ -26,6 +26,7 @@ import org.apache.hadoop.yarn.api.records.NodeId;
 import org.apache.hadoop.yarn.conf.ConfigurationProvider;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.AMLivelinessMonitor;
@@ -98,6 +99,10 @@ public interface RMContext {
   void setRMApplicationHistoryWriter(
       RMApplicationHistoryWriter rmApplicationHistoryWriter);
 
+  void setSystemMetricsPublisher(SystemMetricsPublisher systemMetricsPublisher);
+
+  SystemMetricsPublisher getSystemMetricsPublisher();
+
   ConfigurationProvider getConfigurationProvider();
 
   boolean isWorkPreservingRecoveryEnabled();

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/RMContextImpl.java

@@ -30,6 +30,7 @@ import org.apache.hadoop.yarn.conf.ConfigurationProvider;
 import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.Dispatcher;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
@@ -81,6 +82,7 @@ public class RMContextImpl implements RMContext {
   private ResourceTrackerService resourceTrackerService;
   private ApplicationMasterService applicationMasterService;
   private RMApplicationHistoryWriter rmApplicationHistoryWriter;
+  private SystemMetricsPublisher systemMetricsPublisher;
   private ConfigurationProvider configurationProvider;
   private int epoch;
 
@@ -345,6 +347,17 @@ public class RMContextImpl implements RMContext {
     return rmApplicationHistoryWriter;
   }
 
+  @Override
+  public void setSystemMetricsPublisher(
+      SystemMetricsPublisher systemMetricsPublisher) {
+    this.systemMetricsPublisher = systemMetricsPublisher;
+  }
+
+  @Override
+  public SystemMetricsPublisher getSystemMetricsPublisher() {
+    return systemMetricsPublisher;
+  }
+
   @Override
   public void setRMApplicationHistoryWriter(
       RMApplicationHistoryWriter rmApplicationHistoryWriter) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java

@@ -64,6 +64,7 @@ import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncherEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingEditPolicy;
 import org.apache.hadoop.yarn.server.resourcemanager.monitor.SchedulingMonitor;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore;
@@ -306,6 +307,10 @@ public class ResourceManager extends CompositeService implements Recoverable {
     return new RMApplicationHistoryWriter();
   }
 
+  protected SystemMetricsPublisher createSystemMetricsPublisher() {
+    return new SystemMetricsPublisher(); 
+  }
+
   // sanity check for configurations
   protected static void validateConfigs(Configuration conf) {
     // validate max-attempts
@@ -409,6 +414,10 @@ public class ResourceManager extends CompositeService implements Recoverable {
       addService(rmApplicationHistoryWriter);
       rmContext.setRMApplicationHistoryWriter(rmApplicationHistoryWriter);
 
+      SystemMetricsPublisher systemMetricsPublisher = createSystemMetricsPublisher();
+      addService(systemMetricsPublisher);
+      rmContext.setSystemMetricsPublisher(systemMetricsPublisher);
+
       // Register event handler for NodesListManager
       nodesListManager = new NodesListManager(rmContext);
       rmDispatcher.register(NodesListManagerEventType.class, nodesListManager);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ahs/RMApplicationHistoryWriter.java

@@ -85,13 +85,17 @@ public class RMApplicationHistoryWriter extends CompositeService {
         conf.getBoolean(YarnConfiguration.APPLICATION_HISTORY_ENABLED,
           YarnConfiguration.DEFAULT_APPLICATION_HISTORY_ENABLED);
 
-    writer = createApplicationHistoryStore(conf);
-    addIfService(writer);
-
-    dispatcher = createDispatcher(conf);
-    dispatcher.register(WritingHistoryEventType.class,
-      new ForwardingEventHandler());
-    addIfService(dispatcher);
+    // Only create the services when the history service is enabled, preventing
+    // wasting the system resources.
+    if (historyServiceEnabled) {
+      writer = createApplicationHistoryStore(conf);
+      addIfService(writer);
+  
+      dispatcher = createDispatcher(conf);
+      dispatcher.register(WritingHistoryEventType.class,
+        new ForwardingEventHandler());
+      addIfService(dispatcher);
+    }
     super.serviceInit(conf);
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/AppAttemptFinishedEvent.java

@@ -0,0 +1,82 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
+
+public class AppAttemptFinishedEvent extends
+    SystemMetricsEvent {
+
+  private ApplicationAttemptId appAttemptId;
+  private String trackingUrl;
+  private String originalTrackingUrl;
+  private String diagnosticsInfo;
+  private FinalApplicationStatus appStatus;
+  private YarnApplicationAttemptState state;
+
+  public AppAttemptFinishedEvent(
+      ApplicationAttemptId appAttemptId,
+      String trackingUrl,
+      String originalTrackingUrl,
+      String diagnosticsInfo,
+      FinalApplicationStatus appStatus,
+      YarnApplicationAttemptState state,
+      long finishedTime) {
+    super(SystemMetricsEventType.APP_ATTEMPT_FINISHED, finishedTime);
+    this.appAttemptId = appAttemptId;
+    // This is the tracking URL after the application attempt is finished
+    this.trackingUrl = trackingUrl;
+    this.originalTrackingUrl = originalTrackingUrl;
+    this.diagnosticsInfo = diagnosticsInfo;
+    this.appStatus = appStatus;
+    this.state = state;
+  }
+
+  @Override
+  public int hashCode() {
+    return appAttemptId.getApplicationId().hashCode();
+  }
+
+  public ApplicationAttemptId getApplicationAttemptId() {
+    return appAttemptId;
+  }
+
+  public String getTrackingUrl() {
+    return trackingUrl;
+  }
+
+  public String getOriginalTrackingURL() {
+    return originalTrackingUrl;
+  }
+
+  public String getDiagnosticsInfo() {
+    return diagnosticsInfo;
+  }
+
+  public FinalApplicationStatus getFinalApplicationStatus() {
+    return appStatus;
+  }
+
+  public YarnApplicationAttemptState getYarnApplicationAttemptState() {
+    return state;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/AppAttemptRegisteredEvent.java

@@ -0,0 +1,81 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+
+public class AppAttemptRegisteredEvent extends
+    SystemMetricsEvent {
+
+  private ApplicationAttemptId appAttemptId;
+  private String host;
+  private int rpcPort;
+  private String trackingUrl;
+  private String originalTrackingUrl;
+  private ContainerId masterContainerId;
+
+  public AppAttemptRegisteredEvent(
+      ApplicationAttemptId appAttemptId,
+      String host,
+      int rpcPort,
+      String trackingUrl,
+      String originalTrackingUrl,
+      ContainerId masterContainerId,
+      long registeredTime) {
+    super(SystemMetricsEventType.APP_ATTEMPT_REGISTERED, registeredTime);
+    this.appAttemptId = appAttemptId;
+    this.host = host;
+    this.rpcPort = rpcPort;
+    // This is the tracking URL after the application attempt is registered
+    this.trackingUrl = trackingUrl;
+    this.originalTrackingUrl = originalTrackingUrl;
+    this.masterContainerId = masterContainerId;
+  }
+
+  @Override
+  public int hashCode() {
+    return appAttemptId.getApplicationId().hashCode();
+  }
+
+  public ApplicationAttemptId getApplicationAttemptId() {
+    return appAttemptId;
+  }
+
+  public String getHost() {
+    return host;
+  }
+
+  public int getRpcPort() {
+    return rpcPort;
+  }
+
+  public String getTrackingUrl() {
+    return trackingUrl;
+  }
+
+  public String getOriginalTrackingURL() {
+    return originalTrackingUrl;
+  }
+
+  public ContainerId getMasterContainerId() {
+    return masterContainerId;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/ApplicationCreatedEvent.java

@@ -0,0 +1,78 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+
+public class ApplicationCreatedEvent extends
+    SystemMetricsEvent {
+
+  private ApplicationId appId;
+  private String name;
+  private String type;
+  private String user;
+  private String queue;
+  private long submittedTime;
+
+  public ApplicationCreatedEvent(ApplicationId appId,
+      String name,
+      String type,
+      String user,
+      String queue,
+      long submittedTime,
+      long createdTime) {
+    super(SystemMetricsEventType.APP_CREATED, createdTime);
+    this.appId = appId;
+    this.name = name;
+    this.type = type;
+    this.user = user;
+    this.queue = queue;
+    this.submittedTime = submittedTime;
+  }
+
+  @Override
+  public int hashCode() {
+    return appId.hashCode();
+  }
+
+  public ApplicationId getApplicationId() {
+    return appId;
+  }
+
+  public String getApplicationName() {
+    return name;
+  }
+
+  public String getApplicationType() {
+    return type;
+  }
+
+  public String getUser() {
+    return user;
+  }
+
+  public String getQueue() {
+    return queue;
+  }
+
+  public long getSubmittedTime() {
+    return submittedTime;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/ApplicationFinishedEvent.java

@@ -0,0 +1,75 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+
+public class ApplicationFinishedEvent extends
+    SystemMetricsEvent {
+
+  private ApplicationId appId;;
+  private String diagnosticsInfo;
+  private FinalApplicationStatus appStatus;
+  private YarnApplicationState state;
+  private ApplicationAttemptId latestAppAttemptId;
+
+  public ApplicationFinishedEvent(
+      ApplicationId appId,
+      String diagnosticsInfo,
+      FinalApplicationStatus appStatus,
+      YarnApplicationState state,
+      ApplicationAttemptId latestAppAttemptId,
+      long finishedTime) {
+    super(SystemMetricsEventType.APP_FINISHED, finishedTime);
+    this.appId = appId;
+    this.diagnosticsInfo = diagnosticsInfo;
+    this.appStatus = appStatus;
+    this.latestAppAttemptId = latestAppAttemptId;
+    this.state = state;
+  }
+
+  @Override
+  public int hashCode() {
+    return appId.hashCode();
+  }
+
+  public ApplicationId getApplicationId() {
+    return appId;
+  }
+
+  public String getDiagnosticsInfo() {
+    return diagnosticsInfo;
+  }
+
+  public FinalApplicationStatus getFinalApplicationStatus() {
+    return appStatus;
+  }
+
+  public YarnApplicationState getYarnApplicationState() {
+    return state;
+  }
+
+  public ApplicationAttemptId getLatestApplicationAttemptId() {
+    return latestAppAttemptId;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/ContainerCreatedEvent.java

@@ -0,0 +1,67 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+
+public class ContainerCreatedEvent extends SystemMetricsEvent {
+
+  private ContainerId containerId;
+  private Resource allocatedResource;
+  private NodeId allocatedNode;
+  private Priority allocatedPriority;
+
+  public ContainerCreatedEvent(
+      ContainerId containerId,
+      Resource allocatedResource,
+      NodeId allocatedNode,
+      Priority allocatedPriority,
+      long createdTime) {
+    super(SystemMetricsEventType.CONTAINER_CREATED, createdTime);
+    this.containerId = containerId;
+    this.allocatedResource = allocatedResource;
+    this.allocatedNode = allocatedNode;
+    this.allocatedPriority = allocatedPriority;
+  }
+
+  @Override
+  public int hashCode() {
+    return containerId.getApplicationAttemptId().getApplicationId().hashCode();
+  }
+
+  public ContainerId getContainerId() {
+    return containerId;
+  }
+
+  public Resource getAllocatedResource() {
+    return allocatedResource;
+  }
+
+  public NodeId getAllocatedNode() {
+    return allocatedNode;
+  }
+
+  public Priority getAllocatedPriority() {
+    return allocatedPriority;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/ContainerFinishedEvent.java

@@ -0,0 +1,65 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerState;
+
+public class ContainerFinishedEvent extends SystemMetricsEvent {
+
+  private ContainerId containerId;
+  private String diagnosticsInfo;
+  private int containerExitStatus;
+  private ContainerState state;
+
+  public ContainerFinishedEvent(
+      ContainerId containerId,
+      String diagnosticsInfo,
+      int containerExitStatus,
+      ContainerState state,
+      long finishedTime) {
+    super(SystemMetricsEventType.CONTAINER_FINISHED, finishedTime);
+    this.containerId = containerId;
+    this.diagnosticsInfo = diagnosticsInfo;
+    this.containerExitStatus = containerExitStatus;
+    this.state = state;
+  }
+
+  @Override
+  public int hashCode() {
+    return containerId.getApplicationAttemptId().getApplicationId().hashCode();
+  }
+
+  public ContainerId getContainerId() {
+    return containerId;
+  }
+
+  public String getDiagnosticsInfo() {
+    return diagnosticsInfo;
+  }
+
+  public int getContainerExitStatus() {
+    return containerExitStatus;
+  }
+
+  public ContainerState getContainerState() {
+    return state;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsEvent.java

@@ -0,0 +1,33 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import org.apache.hadoop.yarn.event.AbstractEvent;
+
+public class SystemMetricsEvent extends AbstractEvent<SystemMetricsEventType> {
+
+  public SystemMetricsEvent(SystemMetricsEventType type) {
+    super(type);
+  }
+
+  public SystemMetricsEvent(SystemMetricsEventType type, long timestamp) {
+    super(type, timestamp);
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsEventType.java

@@ -0,0 +1,34 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+
+public enum SystemMetricsEventType {
+  // app events
+  APP_CREATED,
+  APP_FINISHED,
+
+  // app attempt events
+  APP_ATTEMPT_REGISTERED,
+  APP_ATTEMPT_FINISHED,
+
+  // container events
+  CONTAINER_CREATED,
+  CONTAINER_FINISHED
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/SystemMetricsPublisher.java

@@ -0,0 +1,490 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.classification.InterfaceAudience.Private;
+import org.apache.hadoop.classification.InterfaceStability.Unstable;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.service.CompositeService;
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
+import org.apache.hadoop.yarn.client.api.TimelineClient;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.event.AsyncDispatcher;
+import org.apache.hadoop.yarn.event.Dispatcher;
+import org.apache.hadoop.yarn.event.Event;
+import org.apache.hadoop.yarn.event.EventHandler;
+import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
+import org.apache.hadoop.yarn.server.metrics.AppAttemptMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ContainerMetricsConstants;
+import org.apache.hadoop.yarn.server.resourcemanager.RMServerUtils;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.util.timeline.TimelineUtils;
+
+@Private
+@Unstable
+public class SystemMetricsPublisher extends CompositeService {
+
+  private static final Log LOG = LogFactory
+      .getLog(SystemMetricsPublisher.class);
+  private static final int MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS = 10;
+
+  private Dispatcher dispatcher;
+  private TimelineClient client;
+  private boolean publishSystemMetrics;
+  private int getTimelineDelegtionTokenAttempts = 0;
+  private boolean hasReceivedTimelineDelegtionToken = false;
+
+  public SystemMetricsPublisher() {
+    super(SystemMetricsPublisher.class.getName());
+  }
+
+  @Override
+  protected void serviceInit(Configuration conf) throws Exception {
+    publishSystemMetrics =
+        conf.getBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED,
+            YarnConfiguration.DEFAULT_TIMELINE_SERVICE_ENABLED) &&
+        conf.getBoolean(YarnConfiguration.RM_SYSTEM_METRICS_PUBLISHER_ENABLED,
+            YarnConfiguration.DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_ENABLED);
+
+    if (publishSystemMetrics) {
+      client = TimelineClient.createTimelineClient();
+      addIfService(client);
+
+      dispatcher = createDispatcher(conf);
+      dispatcher.register(SystemMetricsEventType.class,
+          new ForwardingEventHandler());
+      addIfService(dispatcher);
+      LOG.info("YARN system metrics publishing service is enabled");
+    } else {
+      LOG.info("YARN system metrics publishing service is not enabled");
+    }
+    super.serviceInit(conf);
+  }
+
+  @SuppressWarnings("unchecked")
+  public void appCreated(RMApp app, long createdTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new ApplicationCreatedEvent(
+              app.getApplicationId(),
+              app.getName(),
+              app.getApplicationType(),
+              app.getUser(),
+              app.getQueue(),
+              app.getSubmitTime(),
+              createdTime));
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public void appFinished(RMApp app, RMAppState state, long finishedTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new ApplicationFinishedEvent(
+              app.getApplicationId(),
+              app.getDiagnostics().toString(),
+              app.getFinalApplicationStatus(),
+              RMServerUtils.createApplicationState(state),
+              app.getCurrentAppAttempt() == null ?
+                  null : app.getCurrentAppAttempt().getAppAttemptId(),
+              finishedTime));
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public void appAttemptRegistered(RMAppAttempt appAttempt,
+      long registeredTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new AppAttemptRegisteredEvent(
+              appAttempt.getAppAttemptId(),
+              appAttempt.getHost(),
+              appAttempt.getRpcPort(),
+              appAttempt.getTrackingUrl(),
+              appAttempt.getOriginalTrackingUrl(),
+              appAttempt.getMasterContainer().getId(),
+              registeredTime));
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public void appAttemptFinished(RMAppAttempt appAttempt,
+      RMAppAttemptState state, long finishedTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new AppAttemptFinishedEvent(
+              appAttempt.getAppAttemptId(),
+              appAttempt.getTrackingUrl(),
+              appAttempt.getOriginalTrackingUrl(),
+              appAttempt.getDiagnostics(),
+              appAttempt.getFinalApplicationStatus(),
+              RMServerUtils.createApplicationAttemptState(state),
+              finishedTime));
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public void containerCreated(RMContainer container, long createdTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new ContainerCreatedEvent(
+              container.getContainerId(),
+              container.getAllocatedResource(),
+              container.getAllocatedNode(),
+              container.getAllocatedPriority(),
+              createdTime));
+    }
+  }
+
+  @SuppressWarnings("unchecked")
+  public void containerFinished(RMContainer container, long finishedTime) {
+    if (publishSystemMetrics) {
+      dispatcher.getEventHandler().handle(
+          new ContainerFinishedEvent(
+              container.getContainerId(),
+              container.getDiagnosticsInfo(),
+              container.getContainerExitStatus(),
+              container.getContainerState(),
+              finishedTime));
+    }
+  }
+
+  protected Dispatcher createDispatcher(Configuration conf) {
+    MultiThreadedDispatcher dispatcher =
+        new MultiThreadedDispatcher(
+            conf.getInt(
+                YarnConfiguration.RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE,
+                YarnConfiguration.DEFAULT_RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE));
+    dispatcher.setDrainEventsOnStop();
+    return dispatcher;
+  }
+
+  protected void handleSystemMetricsEvent(
+      SystemMetricsEvent event) {
+    switch (event.getType()) {
+      case APP_CREATED:
+        publishApplicationCreatedEvent((ApplicationCreatedEvent) event);
+        break;
+      case APP_FINISHED:
+        publishApplicationFinishedEvent((ApplicationFinishedEvent) event);
+        break;
+      case APP_ATTEMPT_REGISTERED:
+        publishAppAttemptRegisteredEvent((AppAttemptRegisteredEvent) event);
+        break;
+      case APP_ATTEMPT_FINISHED:
+        publishAppAttemptFinishedEvent((AppAttemptFinishedEvent) event);
+        break;
+      case CONTAINER_CREATED:
+        publishContainerCreatedEvent((ContainerCreatedEvent) event);
+        break;
+      case CONTAINER_FINISHED:
+        publishContainerFinishedEvent((ContainerFinishedEvent) event);
+        break;
+      default:
+        LOG.error("Unknown SystemMetricsEvent type: " + event.getType());
+    }
+  }
+
+  private void publishApplicationCreatedEvent(ApplicationCreatedEvent event) {
+    TimelineEntity entity =
+        createApplicationEntity(event.getApplicationId());
+    Map<String, Object> entityInfo = new HashMap<String, Object>();
+    entityInfo.put(ApplicationMetricsConstants.NAME_ENTITY_INFO,
+        event.getApplicationName());
+    entityInfo.put(ApplicationMetricsConstants.TYPE_ENTITY_INFO,
+        event.getApplicationType());
+    entityInfo.put(ApplicationMetricsConstants.USER_ENTITY_INFO,
+        event.getUser());
+    entityInfo.put(ApplicationMetricsConstants.QUEUE_ENTITY_INFO,
+        event.getQueue());
+    entityInfo.put(ApplicationMetricsConstants.SUBMITTED_TIME_ENTITY_INFO,
+        event.getSubmittedTime());
+    entity.setOtherInfo(entityInfo);
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(
+        ApplicationMetricsConstants.CREATED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private void publishApplicationFinishedEvent(ApplicationFinishedEvent event) {
+    TimelineEntity entity =
+        createApplicationEntity(event.getApplicationId());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(
+        ApplicationMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(ApplicationMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        event.getDiagnosticsInfo());
+    eventInfo.put(ApplicationMetricsConstants.FINAL_STATUS_EVENT_INFO,
+        event.getFinalApplicationStatus().toString());
+    eventInfo.put(ApplicationMetricsConstants.STATE_EVENT_INFO,
+        event.getYarnApplicationState().toString());
+    if (event.getLatestApplicationAttemptId() != null) {
+      eventInfo.put(ApplicationMetricsConstants.LATEST_APP_ATTEMPT_EVENT_INFO,
+          event.getLatestApplicationAttemptId().toString());
+    }
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private static TimelineEntity createApplicationEntity(
+      ApplicationId applicationId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(ApplicationMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(applicationId.toString());
+    return entity;
+  }
+
+  private void
+      publishAppAttemptRegisteredEvent(AppAttemptRegisteredEvent event) {
+    TimelineEntity entity =
+        createAppAttemptEntity(event.getApplicationAttemptId());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(
+        AppAttemptMetricsConstants.REGISTERED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(
+        AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO,
+        event.getTrackingUrl());
+    eventInfo.put(
+        AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO,
+        event.getOriginalTrackingURL());
+    eventInfo.put(AppAttemptMetricsConstants.HOST_EVENT_INFO,
+        event.getHost());
+    eventInfo.put(AppAttemptMetricsConstants.RPC_PORT_EVENT_INFO,
+        event.getRpcPort());
+    eventInfo.put(
+        AppAttemptMetricsConstants.MASTER_CONTAINER_EVENT_INFO,
+        event.getMasterContainerId().toString());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private void publishAppAttemptFinishedEvent(AppAttemptFinishedEvent event) {
+    TimelineEntity entity =
+        createAppAttemptEntity(event.getApplicationAttemptId());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(AppAttemptMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(
+        AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO,
+        event.getTrackingUrl());
+    eventInfo.put(
+        AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO,
+        event.getOriginalTrackingURL());
+    eventInfo.put(AppAttemptMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        event.getDiagnosticsInfo());
+    eventInfo.put(AppAttemptMetricsConstants.FINAL_STATUS_EVENT_INFO,
+        event.getFinalApplicationStatus().toString());
+    eventInfo.put(AppAttemptMetricsConstants.STATE_EVENT_INFO,
+        event.getYarnApplicationAttemptState().toString());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private static TimelineEntity createAppAttemptEntity(
+      ApplicationAttemptId appAttemptId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(
+        AppAttemptMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(appAttemptId.toString());
+    entity.addPrimaryFilter(AppAttemptMetricsConstants.PARENT_PRIMARY_FILTER,
+        appAttemptId.getApplicationId().toString());
+    return entity;
+  }
+
+  private void publishContainerCreatedEvent(ContainerCreatedEvent event) {
+    TimelineEntity entity = createContainerEntity(event.getContainerId());
+    Map<String, Object> entityInfo = new HashMap<String, Object>();
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_MEMORY_ENTITY_INFO,
+        event.getAllocatedResource().getMemory());
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_VCORE_ENTITY_INFO,
+        event.getAllocatedResource().getVirtualCores());
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_HOST_ENTITY_INFO,
+        event.getAllocatedNode().getHost());
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_PORT_ENTITY_INFO,
+        event.getAllocatedNode().getPort());
+    entityInfo.put(ContainerMetricsConstants.ALLOCATED_PRIORITY_ENTITY_INFO,
+        event.getAllocatedPriority().getPriority());
+    entity.setOtherInfo(entityInfo);
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(ContainerMetricsConstants.CREATED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private void publishContainerFinishedEvent(ContainerFinishedEvent event) {
+    TimelineEntity entity = createContainerEntity(event.getContainerId());
+    TimelineEvent tEvent = new TimelineEvent();
+    tEvent.setEventType(ContainerMetricsConstants.FINISHED_EVENT_TYPE);
+    tEvent.setTimestamp(event.getTimestamp());
+    Map<String, Object> eventInfo = new HashMap<String, Object>();
+    eventInfo.put(ContainerMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO,
+        event.getDiagnosticsInfo());
+    eventInfo.put(ContainerMetricsConstants.EXIT_STATUS_EVENT_INFO,
+        event.getContainerExitStatus());
+    eventInfo.put(ContainerMetricsConstants.STATE_EVENT_INFO,
+        event.getContainerState().toString());
+    tEvent.setEventInfo(eventInfo);
+    entity.addEvent(tEvent);
+    putEntity(entity);
+  }
+
+  private static TimelineEntity createContainerEntity(
+      ContainerId containerId) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setEntityType(
+        ContainerMetricsConstants.ENTITY_TYPE);
+    entity.setEntityId(containerId.toString());
+    entity.addPrimaryFilter(ContainerMetricsConstants.PARENT_PRIMARIY_FILTER,
+        containerId.getApplicationAttemptId().toString());
+    return entity;
+  }
+
+  private void putEntity(TimelineEntity entity) {
+    if (UserGroupInformation.isSecurityEnabled()) {
+      if (!hasReceivedTimelineDelegtionToken
+          && getTimelineDelegtionTokenAttempts < MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS) {
+        try {
+          Token<TimelineDelegationTokenIdentifier> token =
+              client.getDelegationToken(
+                  UserGroupInformation.getCurrentUser().getUserName());
+          UserGroupInformation.getCurrentUser().addToken(token);
+          hasReceivedTimelineDelegtionToken = true;
+        } catch (Exception e) {
+          LOG.error("Error happens when getting timeline delegation token", e);
+        } finally {
+          ++getTimelineDelegtionTokenAttempts;
+          if (!hasReceivedTimelineDelegtionToken
+              && getTimelineDelegtionTokenAttempts == MAX_GET_TIMELINE_DELEGATION_TOKEN_ATTEMPTS) {
+            LOG.error("Run out of the attempts to get timeline delegation token. " +
+              "Use kerberos authentication only.");
+          }
+        }
+      }
+    }
+    try {
+      if (LOG.isDebugEnabled()) {
+        LOG.debug("Publishing the entity " + entity.getEntityId() +
+            ", JSON-style content: " + TimelineUtils.dumpTimelineRecordtoJSON(entity));
+      }
+      client.putEntities(entity);
+    } catch (Exception e) {
+      LOG.error("Error when publishing entity [" + entity.getEntityType() + ","
+          + entity.getEntityId() + "]", e);
+    }
+  }
+
+  /**
+   * EventHandler implementation which forward events to SystemMetricsPublisher.
+   * Making use of it, SystemMetricsPublisher can avoid to have a public handle
+   * method.
+   */
+  private final class ForwardingEventHandler implements
+      EventHandler<SystemMetricsEvent> {
+
+    @Override
+    public void handle(SystemMetricsEvent event) {
+      handleSystemMetricsEvent(event);
+    }
+
+  }
+
+  @SuppressWarnings({ "rawtypes", "unchecked" })
+  protected static class MultiThreadedDispatcher extends CompositeService
+      implements Dispatcher {
+
+    private List<AsyncDispatcher> dispatchers =
+        new ArrayList<AsyncDispatcher>();
+
+    public MultiThreadedDispatcher(int num) {
+      super(MultiThreadedDispatcher.class.getName());
+      for (int i = 0; i < num; ++i) {
+        AsyncDispatcher dispatcher = createDispatcher();
+        dispatchers.add(dispatcher);
+        addIfService(dispatcher);
+      }
+    }
+
+    @Override
+    public EventHandler getEventHandler() {
+      return new CompositEventHandler();
+    }
+
+    @Override
+    public void register(Class<? extends Enum> eventType, EventHandler handler) {
+      for (AsyncDispatcher dispatcher : dispatchers) {
+        dispatcher.register(eventType, handler);
+      }
+    }
+
+    public void setDrainEventsOnStop() {
+      for (AsyncDispatcher dispatcher : dispatchers) {
+        dispatcher.setDrainEventsOnStop();
+      }
+    }
+
+    private class CompositEventHandler implements EventHandler<Event> {
+
+      @Override
+      public void handle(Event event) {
+        // Use hashCode (of ApplicationId) to dispatch the event to the child
+        // dispatcher, such that all the writing events of one application will
+        // be handled by one thread, the scheduled order of the these events
+        // will be preserved
+        int index = (event.hashCode() & Integer.MAX_VALUE) % dispatchers.size();
+        dispatchers.get(index).getEventHandler().handle(event);
+      }
+
+    }
+
+    protected AsyncDispatcher createDispatcher() {
+      return new AsyncDispatcher();
+    }
+
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java

@@ -171,6 +171,12 @@ public interface RMApp extends EventHandler<RMAppEvent> {
    */
   String getTrackingUrl();
 
+  /**
+   * The original tracking url for the application master.
+   * @return the original tracking url for the application master.
+   */
+  String getOriginalTrackingUrl();
+
   /**
    * the diagnostics information for the application master.
    * @return the diagnostics information for the application master.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java

@@ -365,6 +365,7 @@ public class RMAppImpl implements RMApp, Recoverable {
     this.stateMachine = stateMachineFactory.make(this);
 
     rmContext.getRMApplicationHistoryWriter().applicationStarted(this);
+    rmContext.getSystemMetricsPublisher().appCreated(this, startTime);
   }
 
   @Override
@@ -627,6 +628,20 @@ public class RMAppImpl implements RMApp, Recoverable {
     }
   }
 
+  @Override
+  public String getOriginalTrackingUrl() {
+    this.readLock.lock();
+    
+    try {
+      if (this.currentAttempt != null) {
+        return this.currentAttempt.getOriginalTrackingUrl();
+      }
+      return null;
+    } finally {
+      this.readLock.unlock();
+    }
+  }
+
   @Override
   public StringBuilder getDiagnostics() {
     this.readLock.lock();
@@ -1096,6 +1111,8 @@ public class RMAppImpl implements RMApp, Recoverable {
 
       app.rmContext.getRMApplicationHistoryWriter()
           .applicationFinished(app, finalState);
+      app.rmContext.getSystemMetricsPublisher()
+          .appFinished(app, finalState, app.finishTime);
     };
   }
 

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

@@ -1156,6 +1156,9 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
 
       appAttempt.rmContext.getRMApplicationHistoryWriter()
           .applicationAttemptFinished(appAttempt, finalAttemptState);
+      appAttempt.rmContext.getSystemMetricsPublisher()
+          .appAttemptFinished(
+              appAttempt, finalAttemptState, System.currentTimeMillis());
     }
   }
 
@@ -1269,6 +1272,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
 
       appAttempt.rmContext.getRMApplicationHistoryWriter()
           .applicationAttemptStarted(appAttempt);
+      appAttempt.rmContext.getSystemMetricsPublisher()
+          .appAttemptRegistered(appAttempt, System.currentTimeMillis());
     }
   }
 
@@ -1723,8 +1728,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
           masterContainer == null ? null : masterContainer.getId();
       attemptReport = ApplicationAttemptReport.newInstance(this
           .getAppAttemptId(), this.getHost(), this.getRpcPort(), this
-          .getTrackingUrl(), this.getDiagnostics(), YarnApplicationAttemptState
-          .valueOf(this.getState().toString()), amId);
+          .getTrackingUrl(), this.getOriginalTrackingUrl(), this.getDiagnostics(),
+          YarnApplicationAttemptState .valueOf(this.getState().toString()), amId);
     } finally {
       this.readLock.unlock();
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/RMContainerImpl.java

@@ -192,6 +192,8 @@ public class RMContainerImpl implements RMContainer {
     this.writeLock = lock.writeLock();
 
     rmContext.getRMApplicationHistoryWriter().containerStarted(this);
+    rmContext.getSystemMetricsPublisher().containerCreated(
+        this, this.creationTime);
   }
 
   @Override
@@ -497,6 +499,8 @@ public class RMContainerImpl implements RMContainer {
 
       container.rmContext.getRMApplicationHistoryWriter().containerFinished(
         container);
+      container.rmContext.getSystemMetricsPublisher().containerFinished(
+          container, container.finishTime);
     }
 
     private static void updateAttemptMetrics(RMContainerImpl container) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestAppManager.java

@@ -21,6 +21,7 @@ package org.apache.hadoop.yarn.server.resourcemanager;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl;
 import static org.mockito.Matchers.isA;
 import static org.mockito.Mockito.mock;
@@ -119,6 +120,8 @@ public class TestAppManager{
       }
     };
     ((RMContextImpl)context).setStateStore(mock(RMStateStore.class));
+    ((RMContextImpl)context).setSystemMetricsPublisher(
+        mock(SystemMetricsPublisher.class));
     return context;
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java

@@ -104,6 +104,7 @@ import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 import org.apache.hadoop.yarn.ipc.YarnRPC;
 import org.apache.hadoop.yarn.security.client.RMDelegationTokenIdentifier;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.NullRMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
@@ -1081,6 +1082,8 @@ public class TestClientRMService {
         .thenThrow(new IOException("queue does not exist"));
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
     when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
+    SystemMetricsPublisher publisher = mock(SystemMetricsPublisher.class);
+    when(rmContext.getSystemMetricsPublisher()).thenReturn(publisher);
     ConcurrentHashMap<ApplicationId, RMApp> apps = getRMApps(rmContext,
         yarnScheduler);
     when(rmContext.getRMApps()).thenReturn(apps);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java

@@ -117,6 +117,10 @@ public abstract class MockAsm extends MockApps {
       throw new UnsupportedOperationException("Not supported yet.");
     }
     @Override
+    public String getOriginalTrackingUrl() {
+      throw new UnsupportedOperationException("Not supported yet.");
+    }
+    @Override
     public int getMaxAppAttempts() {
       throw new UnsupportedOperationException("Not supported yet.");
     }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TestSystemMetricsPublisher.java

@@ -0,0 +1,355 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.yarn.server.resourcemanager.metrics;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.util.EnumSet;
+
+import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
+import org.apache.hadoop.yarn.api.records.ApplicationId;
+import org.apache.hadoop.yarn.api.records.Container;
+import org.apache.hadoop.yarn.api.records.ContainerId;
+import org.apache.hadoop.yarn.api.records.ContainerState;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.NodeId;
+import org.apache.hadoop.yarn.api.records.Priority;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
+import org.apache.hadoop.yarn.api.records.YarnApplicationState;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer;
+import org.apache.hadoop.yarn.server.applicationhistoryservice.webapp.AHSWebApp;
+import org.apache.hadoop.yarn.server.metrics.AppAttemptMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ApplicationMetricsConstants;
+import org.apache.hadoop.yarn.server.metrics.ContainerMetricsConstants;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
+import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
+import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
+import org.apache.hadoop.yarn.server.timeline.MemoryTimelineStore;
+import org.apache.hadoop.yarn.server.timeline.TimelineReader.Field;
+import org.apache.hadoop.yarn.server.timeline.TimelineStore;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class TestSystemMetricsPublisher {
+
+  private static ApplicationHistoryServer timelineServer;
+  private static SystemMetricsPublisher metricsPublisher;
+  private static TimelineStore store;
+
+  @BeforeClass
+  public static void setup() throws Exception {
+    YarnConfiguration conf = new YarnConfiguration();
+    conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
+    conf.setBoolean(YarnConfiguration.RM_SYSTEM_METRICS_PUBLISHER_ENABLED, true);
+    conf.setClass(YarnConfiguration.TIMELINE_SERVICE_STORE,
+        MemoryTimelineStore.class, TimelineStore.class);
+    conf.setInt(
+        YarnConfiguration.RM_SYSTEM_METRICS_PUBLISHER_DISPATCHER_POOL_SIZE,
+        2);
+
+    timelineServer = new ApplicationHistoryServer();
+    timelineServer.init(conf);
+    timelineServer.start();
+    store = timelineServer.getTimelineStore();
+
+    metricsPublisher = new SystemMetricsPublisher();
+    metricsPublisher.init(conf);
+    metricsPublisher.start();
+  }
+
+  @AfterClass
+  public static void tearDown() throws Exception {
+    if (metricsPublisher != null) {
+      metricsPublisher.stop();
+    }
+    if (timelineServer != null) {
+      timelineServer.stop();
+    }
+    AHSWebApp.resetInstance();
+  }
+
+  @Test(timeout = 10000)
+  public void testPublishApplicationMetrics() throws Exception {
+    ApplicationId appId = ApplicationId.newInstance(0, 1);
+    RMApp app = createRMApp(appId);
+    metricsPublisher.appCreated(app, app.getStartTime());
+    metricsPublisher.appFinished(app, RMAppState.FINISHED, app.getFinishTime());
+    TimelineEntity entity = null;
+    do {
+      entity =
+          store.getEntity(appId.toString(),
+              ApplicationMetricsConstants.ENTITY_TYPE,
+              EnumSet.allOf(Field.class));
+      // ensure two events are both published before leaving the loop
+    } while (entity == null || entity.getEvents().size() < 2);
+    // verify all the fields
+    Assert.assertEquals(ApplicationMetricsConstants.ENTITY_TYPE,
+        entity.getEntityType());
+    Assert
+        .assertEquals(app.getApplicationId().toString(), entity.getEntityId());
+    Assert
+        .assertEquals(
+            app.getName(),
+            entity.getOtherInfo().get(
+                ApplicationMetricsConstants.NAME_ENTITY_INFO));
+    Assert.assertEquals(app.getQueue(),
+        entity.getOtherInfo()
+            .get(ApplicationMetricsConstants.QUEUE_ENTITY_INFO));
+    Assert
+        .assertEquals(
+            app.getUser(),
+            entity.getOtherInfo().get(
+                ApplicationMetricsConstants.USER_ENTITY_INFO));
+    Assert
+        .assertEquals(
+            app.getApplicationType(),
+            entity.getOtherInfo().get(
+                ApplicationMetricsConstants.TYPE_ENTITY_INFO));
+    Assert.assertEquals(app.getSubmitTime(),
+        entity.getOtherInfo().get(
+            ApplicationMetricsConstants.SUBMITTED_TIME_ENTITY_INFO));
+    boolean hasCreatedEvent = false;
+    boolean hasFinishedEvent = false;
+    for (TimelineEvent event : entity.getEvents()) {
+      if (event.getEventType().equals(
+          ApplicationMetricsConstants.CREATED_EVENT_TYPE)) {
+        hasCreatedEvent = true;
+        Assert.assertEquals(app.getStartTime(), event.getTimestamp());
+      } else if (event.getEventType().equals(
+          ApplicationMetricsConstants.FINISHED_EVENT_TYPE)) {
+        hasFinishedEvent = true;
+        Assert.assertEquals(app.getFinishTime(), event.getTimestamp());
+        Assert.assertEquals(
+            app.getDiagnostics().toString(),
+            event.getEventInfo().get(
+                ApplicationMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO));
+        Assert.assertEquals(
+            app.getFinalApplicationStatus().toString(),
+            event.getEventInfo().get(
+                ApplicationMetricsConstants.FINAL_STATUS_EVENT_INFO));
+        Assert.assertEquals(YarnApplicationState.FINISHED.toString(), event
+            .getEventInfo().get(ApplicationMetricsConstants.STATE_EVENT_INFO));
+      }
+    }
+    Assert.assertTrue(hasCreatedEvent && hasFinishedEvent);
+  }
+
+  @Test(timeout = 10000)
+  public void testPublishAppAttemptMetrics() throws Exception {
+    ApplicationAttemptId appAttemptId =
+        ApplicationAttemptId.newInstance(ApplicationId.newInstance(0, 1), 1);
+    RMAppAttempt appAttempt = createRMAppAttempt(appAttemptId);
+    metricsPublisher.appAttemptRegistered(appAttempt, Integer.MAX_VALUE + 1L);
+    metricsPublisher.appAttemptFinished(appAttempt, RMAppAttemptState.FINISHED,
+        Integer.MAX_VALUE + 2L);
+    TimelineEntity entity = null;
+    do {
+      entity =
+          store.getEntity(appAttemptId.toString(),
+              AppAttemptMetricsConstants.ENTITY_TYPE,
+              EnumSet.allOf(Field.class));
+      // ensure two events are both published before leaving the loop
+    } while (entity == null || entity.getEvents().size() < 2);
+    // verify all the fields
+    Assert.assertEquals(AppAttemptMetricsConstants.ENTITY_TYPE,
+        entity.getEntityType());
+    Assert.assertEquals(appAttemptId.toString(), entity.getEntityId());
+    Assert.assertEquals(
+        appAttemptId.getApplicationId().toString(),
+        entity.getPrimaryFilters()
+            .get(AppAttemptMetricsConstants.PARENT_PRIMARY_FILTER).iterator()
+            .next());
+    boolean hasRegisteredEvent = false;
+    boolean hasFinishedEvent = false;
+    for (TimelineEvent event : entity.getEvents()) {
+      if (event.getEventType().equals(
+          AppAttemptMetricsConstants.REGISTERED_EVENT_TYPE)) {
+        hasRegisteredEvent = true;
+        Assert.assertEquals(appAttempt.getHost(),
+            event.getEventInfo()
+                .get(AppAttemptMetricsConstants.HOST_EVENT_INFO));
+        Assert
+            .assertEquals(appAttempt.getRpcPort(),
+                event.getEventInfo().get(
+                    AppAttemptMetricsConstants.RPC_PORT_EVENT_INFO));
+        Assert.assertEquals(
+            appAttempt.getMasterContainer().getId().toString(),
+            event.getEventInfo().get(
+                AppAttemptMetricsConstants.MASTER_CONTAINER_EVENT_INFO));
+      } else if (event.getEventType().equals(
+          AppAttemptMetricsConstants.FINISHED_EVENT_TYPE)) {
+        hasFinishedEvent = true;
+        Assert.assertEquals(appAttempt.getDiagnostics(), event.getEventInfo()
+            .get(AppAttemptMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO));
+        Assert.assertEquals(appAttempt.getTrackingUrl(), event.getEventInfo()
+            .get(AppAttemptMetricsConstants.TRACKING_URL_EVENT_INFO));
+        Assert.assertEquals(
+            appAttempt.getOriginalTrackingUrl(),
+            event.getEventInfo().get(
+                AppAttemptMetricsConstants.ORIGINAL_TRACKING_URL_EVENT_INFO));
+        Assert.assertEquals(
+            appAttempt.getFinalApplicationStatus().toString(),
+            event.getEventInfo().get(
+                AppAttemptMetricsConstants.FINAL_STATUS_EVENT_INFO));
+        Assert.assertEquals(
+            YarnApplicationAttemptState.FINISHED.toString(),
+            event.getEventInfo().get(
+                AppAttemptMetricsConstants.STATE_EVENT_INFO));
+      }
+    }
+    Assert.assertTrue(hasRegisteredEvent && hasFinishedEvent);
+  }
+
+  @Test(timeout = 10000)
+  public void testPublishContainerMetrics() throws Exception {
+    ContainerId containerId =
+        ContainerId.newInstance(ApplicationAttemptId.newInstance(
+            ApplicationId.newInstance(0, 1), 1), 1);
+    RMContainer container = createRMContainer(containerId);
+    metricsPublisher.containerCreated(container, container.getCreationTime());
+    metricsPublisher.containerFinished(container, container.getFinishTime());
+    TimelineEntity entity = null;
+    do {
+      entity =
+          store.getEntity(containerId.toString(),
+              ContainerMetricsConstants.ENTITY_TYPE,
+              EnumSet.allOf(Field.class));
+      // ensure two events are both published before leaving the loop
+    } while (entity == null || entity.getEvents().size() < 2);
+    // verify all the fields
+    Assert.assertEquals(ContainerMetricsConstants.ENTITY_TYPE,
+        entity.getEntityType());
+    Assert.assertEquals(containerId.toString(), entity.getEntityId());
+    Assert.assertEquals(
+        containerId.getApplicationAttemptId().toString(),
+        entity.getPrimaryFilters()
+            .get(ContainerMetricsConstants.PARENT_PRIMARIY_FILTER).iterator()
+            .next());
+    Assert.assertEquals(
+        container.getAllocatedNode().getHost(),
+        entity.getOtherInfo().get(
+            ContainerMetricsConstants.ALLOCATED_HOST_ENTITY_INFO));
+    Assert.assertEquals(
+        container.getAllocatedNode().getPort(),
+        entity.getOtherInfo().get(
+            ContainerMetricsConstants.ALLOCATED_PORT_ENTITY_INFO));
+    Assert.assertEquals(
+        container.getAllocatedResource().getMemory(),
+        entity.getOtherInfo().get(
+            ContainerMetricsConstants.ALLOCATED_MEMORY_ENTITY_INFO));
+    Assert.assertEquals(
+        container.getAllocatedResource().getVirtualCores(),
+        entity.getOtherInfo().get(
+            ContainerMetricsConstants.ALLOCATED_VCORE_ENTITY_INFO));
+    Assert.assertEquals(
+        container.getAllocatedPriority().getPriority(),
+        entity.getOtherInfo().get(
+            ContainerMetricsConstants.ALLOCATED_PRIORITY_ENTITY_INFO));
+    boolean hasCreatedEvent = false;
+    boolean hasFinishedEvent = false;
+    for (TimelineEvent event : entity.getEvents()) {
+      if (event.getEventType().equals(
+          ContainerMetricsConstants.CREATED_EVENT_TYPE)) {
+        hasCreatedEvent = true;
+        Assert.assertEquals(container.getCreationTime(), event.getTimestamp());
+      } else if (event.getEventType().equals(
+          ContainerMetricsConstants.FINISHED_EVENT_TYPE)) {
+        hasFinishedEvent = true;
+        Assert.assertEquals(container.getFinishTime(), event.getTimestamp());
+        Assert.assertEquals(
+            container.getDiagnosticsInfo(),
+            event.getEventInfo().get(
+                ContainerMetricsConstants.DIAGNOSTICS_INFO_EVENT_INFO));
+        Assert.assertEquals(
+            container.getContainerExitStatus(),
+            event.getEventInfo().get(
+                ContainerMetricsConstants.EXIT_STATUS_EVENT_INFO));
+        Assert.assertEquals(container.getContainerState().toString(), event
+            .getEventInfo().get(ContainerMetricsConstants.STATE_EVENT_INFO));
+      }
+    }
+    Assert.assertTrue(hasCreatedEvent && hasFinishedEvent);
+  }
+
+  private static RMApp createRMApp(ApplicationId appId) {
+    RMApp app = mock(RMApp.class);
+    when(app.getApplicationId()).thenReturn(appId);
+    when(app.getName()).thenReturn("test app");
+    when(app.getApplicationType()).thenReturn("test app type");
+    when(app.getUser()).thenReturn("test user");
+    when(app.getQueue()).thenReturn("test queue");
+    when(app.getSubmitTime()).thenReturn(Integer.MAX_VALUE + 1L);
+    when(app.getStartTime()).thenReturn(Integer.MAX_VALUE + 2L);
+    when(app.getFinishTime()).thenReturn(Integer.MAX_VALUE + 3L);
+    when(app.getDiagnostics()).thenReturn(
+        new StringBuilder("test diagnostics info"));
+    RMAppAttempt appAttempt = mock(RMAppAttempt.class);
+    when(appAttempt.getAppAttemptId()).thenReturn(
+        ApplicationAttemptId.newInstance(appId, 1));
+    when(app.getCurrentAppAttempt()).thenReturn(appAttempt);
+    when(app.getFinalApplicationStatus()).thenReturn(
+        FinalApplicationStatus.UNDEFINED);
+    return app;
+  }
+
+  private static RMAppAttempt createRMAppAttempt(
+      ApplicationAttemptId appAttemptId) {
+    RMAppAttempt appAttempt = mock(RMAppAttempt.class);
+    when(appAttempt.getAppAttemptId()).thenReturn(appAttemptId);
+    when(appAttempt.getHost()).thenReturn("test host");
+    when(appAttempt.getRpcPort()).thenReturn(-100);
+    Container container = mock(Container.class);
+    when(container.getId())
+        .thenReturn(ContainerId.newInstance(appAttemptId, 1));
+    when(appAttempt.getMasterContainer()).thenReturn(container);
+    when(appAttempt.getDiagnostics()).thenReturn("test diagnostics info");
+    when(appAttempt.getTrackingUrl()).thenReturn("test tracking url");
+    when(appAttempt.getOriginalTrackingUrl()).thenReturn(
+        "test original tracking url");
+    when(appAttempt.getFinalApplicationStatus()).thenReturn(
+        FinalApplicationStatus.UNDEFINED);
+    return appAttempt;
+  }
+
+  private static RMContainer createRMContainer(ContainerId containerId) {
+    RMContainer container = mock(RMContainer.class);
+    when(container.getContainerId()).thenReturn(containerId);
+    when(container.getAllocatedNode()).thenReturn(
+        NodeId.newInstance("test host", -100));
+    when(container.getAllocatedResource()).thenReturn(
+        Resource.newInstance(-1, -1));
+    when(container.getAllocatedPriority()).thenReturn(Priority.UNDEFINED);
+    when(container.getCreationTime()).thenReturn(Integer.MAX_VALUE + 1L);
+    when(container.getFinishTime()).thenReturn(Integer.MAX_VALUE + 2L);
+    when(container.getDiagnosticsInfo()).thenReturn("test diagnostics info");
+    when(container.getContainerExitStatus()).thenReturn(-1);
+    when(container.getContainerState()).thenReturn(ContainerState.COMPLETE);
+    return container;
+  }
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java

@@ -50,6 +50,7 @@ public class MockRMApp implements RMApp {
   int failCount = 0;
   ApplicationId id;
   String url = null;
+  String oUrl = null;
   StringBuilder diagnostics = new StringBuilder();
   RMAppAttempt attempt;
   int maxAppAttempts = 1;
@@ -183,6 +184,15 @@ public class MockRMApp implements RMApp {
     this.url = url;
   }
 
+  @Override
+  public String getOriginalTrackingUrl() {
+    return oUrl;
+  }
+
+  public void setOriginalTrackingUrl(String oUrl) {
+    this.oUrl = oUrl;
+  }
+
   @Override
   public StringBuilder getDiagnostics() {
     return diagnostics;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java

@@ -19,6 +19,7 @@
 package org.apache.hadoop.yarn.server.resourcemanager.rmapp;
 
 import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyLong;
 import static org.mockito.Mockito.doReturn;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.reset;
@@ -56,6 +57,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContextImpl;
 import org.apache.hadoop.yarn.server.resourcemanager.RMServerUtils;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationState;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.RMState;
@@ -94,6 +96,7 @@ public class TestRMAppTransitions {
   private DrainDispatcher rmDispatcher;
   private RMStateStore store;
   private RMApplicationHistoryWriter writer;
+  private SystemMetricsPublisher publisher;
   private YarnScheduler scheduler;
   private TestSchedulerEventDispatcher schedulerDispatcher;
 
@@ -203,6 +206,8 @@ public class TestRMAppTransitions {
           new ClientToAMTokenSecretManagerInRM(),
           writer);
     ((RMContextImpl)realRMContext).setStateStore(store);
+    publisher = mock(SystemMetricsPublisher.class);
+    ((RMContextImpl)realRMContext).setSystemMetricsPublisher(publisher);
 
     this.rmContext = spy(realRMContext);
 
@@ -354,6 +359,7 @@ public class TestRMAppTransitions {
       ApplicationSubmissionContext submissionContext) throws IOException {
   RMApp application = createNewTestApp(submissionContext);
     verify(writer).applicationStarted(any(RMApp.class));
+    verify(publisher).appCreated(any(RMApp.class), anyLong());
     // NEW => NEW_SAVING event RMAppEventType.START
     RMAppEvent event = 
         new RMAppEvent(application.getApplicationId(), RMAppEventType.START);
@@ -477,6 +483,7 @@ public class TestRMAppTransitions {
 
     // reset the counter of Mockito.verify
     reset(writer);
+    reset(publisher);
 
     // test app fails after 1 app attempt failure
     LOG.info("--- START: testUnmanagedAppFailPath ---");
@@ -961,6 +968,10 @@ public class TestRMAppTransitions {
         ArgumentCaptor.forClass(RMAppState.class);
     verify(writer).applicationFinished(any(RMApp.class), finalState.capture());
     Assert.assertEquals(state, finalState.getValue());
+    finalState = ArgumentCaptor.forClass(RMAppState.class);
+    verify(publisher).appFinished(any(RMApp.class), finalState.capture(),
+        anyLong());
+    Assert.assertEquals(state, finalState.getValue());
   }
   
   private void verifyAppRemovedSchedulerEvent(RMAppState finalState) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java

@@ -25,6 +25,7 @@ import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assume.assumeTrue;
 import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.anyLong;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
@@ -72,6 +73,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWri
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncherEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.AMLauncherEventType;
 import org.apache.hadoop.yarn.server.resourcemanager.amlauncher.ApplicationMasterLauncher;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore;
 import org.apache.hadoop.yarn.server.resourcemanager.recovery.RMStateStore.ApplicationAttemptState;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppEvent;
@@ -134,6 +136,7 @@ public class TestRMAppAttemptTransitions {
   private AMLivelinessMonitor amLivelinessMonitor;
   private AMLivelinessMonitor amFinishingMonitor;
   private RMApplicationHistoryWriter writer;
+  private SystemMetricsPublisher publisher;
 
   private RMStateStore store;
 
@@ -246,6 +249,8 @@ public class TestRMAppAttemptTransitions {
     
     store = mock(RMStateStore.class);
     ((RMContextImpl) rmContext).setStateStore(store);
+    publisher = mock(SystemMetricsPublisher.class);
+    ((RMContextImpl) rmContext).setSystemMetricsPublisher(publisher);
     
     scheduler = mock(YarnScheduler.class);
     masterService = mock(ApplicationMasterService.class);
@@ -1377,6 +1382,11 @@ public class TestRMAppAttemptTransitions {
     verify(writer).applicationAttemptFinished(
         any(RMAppAttempt.class), finalState.capture());
     Assert.assertEquals(state, finalState.getValue());
+    finalState =
+        ArgumentCaptor.forClass(RMAppAttemptState.class);
+    verify(publisher).appAttemptFinished(any(RMAppAttempt.class), finalState.capture(),
+        anyLong());
+    Assert.assertEquals(state, finalState.getValue());
   }
 
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmcontainer/TestRMContainerImpl.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.server.resourcemanager.rmcontainer;
 
 import static org.junit.Assert.assertEquals;
 import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.anyLong;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.reset;
@@ -51,6 +52,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
 import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEvent;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptEventType;
@@ -98,11 +100,13 @@ public class TestRMContainerImpl {
     Mockito.doReturn(rmApp).when(rmApps).get((ApplicationId)Matchers.any());
 
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
+    SystemMetricsPublisher publisher = mock(SystemMetricsPublisher.class);
     RMContext rmContext = mock(RMContext.class);
     when(rmContext.getDispatcher()).thenReturn(drainDispatcher);
     when(rmContext.getContainerAllocationExpirer()).thenReturn(expirer);
     when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
     when(rmContext.getRMApps()).thenReturn(rmApps);
+    when(rmContext.getSystemMetricsPublisher()).thenReturn(publisher);
     RMContainer rmContainer = new RMContainerImpl(container, appAttemptId,
         nodeId, "user", rmContext);
 
@@ -111,6 +115,7 @@ public class TestRMContainerImpl {
     assertEquals(nodeId, rmContainer.getAllocatedNode());
     assertEquals(priority, rmContainer.getAllocatedPriority());
     verify(writer).containerStarted(any(RMContainer.class));
+    verify(publisher).containerCreated(any(RMContainer.class), anyLong());
 
     rmContainer.handle(new RMContainerEvent(containerId,
         RMContainerEventType.START));
@@ -143,6 +148,7 @@ public class TestRMContainerImpl {
         rmContainer.getContainerExitStatus());
     assertEquals(ContainerState.COMPLETE, rmContainer.getContainerState());
     verify(writer).containerFinished(any(RMContainer.class));
+    verify(publisher).containerFinished(any(RMContainer.class), anyLong());
 
     ArgumentCaptor<RMAppAttemptContainerFinishedEvent> captor = ArgumentCaptor
         .forClass(RMAppAttemptContainerFinishedEvent.class);
@@ -184,10 +190,12 @@ public class TestRMContainerImpl {
         "host:3465", resource, priority, null);
 
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
+    SystemMetricsPublisher publisher = mock(SystemMetricsPublisher.class);
     RMContext rmContext = mock(RMContext.class);
     when(rmContext.getDispatcher()).thenReturn(drainDispatcher);
     when(rmContext.getContainerAllocationExpirer()).thenReturn(expirer);
     when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
+    when(rmContext.getSystemMetricsPublisher()).thenReturn(publisher);
     RMContainer rmContainer = new RMContainerImpl(container, appAttemptId,
         nodeId, "user", rmContext);
 
@@ -196,6 +204,7 @@ public class TestRMContainerImpl {
     assertEquals(nodeId, rmContainer.getAllocatedNode());
     assertEquals(priority, rmContainer.getAllocatedPriority());
     verify(writer).containerStarted(any(RMContainer.class));
+    verify(publisher).containerCreated(any(RMContainer.class), anyLong());
 
     rmContainer.handle(new RMContainerEvent(containerId,
         RMContainerEventType.START));
@@ -224,6 +233,8 @@ public class TestRMContainerImpl {
     drainDispatcher.await();
     assertEquals(RMContainerState.RUNNING, rmContainer.getState());
     verify(writer, never()).containerFinished(any(RMContainer.class));
+    verify(publisher, never()).containerFinished(any(RMContainer.class),
+        anyLong());
   }
   
   @Test

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestChildQueueOrder.java

@@ -43,6 +43,7 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import org.apache.hadoop.yarn.event.DrainDispatcher;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.ContainerAllocationExpirer;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType;
@@ -249,10 +250,12 @@ public class TestChildQueueOrder {
       mock(ContainerAllocationExpirer.class);
     DrainDispatcher drainDispatcher = new DrainDispatcher();
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
+    SystemMetricsPublisher publisher = mock(SystemMetricsPublisher.class);
     RMContext rmContext = mock(RMContext.class);
     when(rmContext.getContainerAllocationExpirer()).thenReturn(expirer);
     when(rmContext.getDispatcher()).thenReturn(drainDispatcher);
     when(rmContext.getRMApplicationHistoryWriter()).thenReturn(writer);
+    when(rmContext.getSystemMetricsPublisher()).thenReturn(publisher);
     ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
         app_0.getApplicationId(), 1);
     ContainerId containerId = BuilderUtils.newContainerId(appAttemptId, 1);

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestUtils.java

@@ -42,6 +42,7 @@ import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
 import org.apache.hadoop.yarn.server.resourcemanager.RMContextImpl;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.ContainerAllocationExpirer;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
@@ -92,6 +93,7 @@ public class TestUtils {
           new RMContainerTokenSecretManager(conf),
           new NMTokenSecretManagerInRM(conf),
           new ClientToAMTokenSecretManagerInRM(), writer);
+    rmContext.setSystemMetricsPublisher(mock(SystemMetricsPublisher.class));
     return rmContext;
   }
   

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fifo/TestFifoScheduler.java

@@ -56,6 +56,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.RMContextImpl;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
 import org.apache.hadoop.yarn.server.resourcemanager.Task;
 import org.apache.hadoop.yarn.server.resourcemanager.ahs.RMApplicationHistoryWriter;
+import org.apache.hadoop.yarn.server.resourcemanager.metrics.SystemMetricsPublisher;
 import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
@@ -145,6 +146,8 @@ public class TestFifoScheduler {
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
     RMContext rmContext = new RMContextImpl(dispatcher, null,
         null, null, null, null, null, null, null, writer);
+    ((RMContextImpl) rmContext).setSystemMetricsPublisher(
+        mock(SystemMetricsPublisher.class));
 
     FifoScheduler scheduler = new FifoScheduler();
     Configuration conf = new Configuration();
@@ -188,6 +191,8 @@ public class TestFifoScheduler {
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
     RMContext rmContext = new RMContextImpl(dispatcher, null, null, null, null,
         null, containerTokenSecretManager, nmTokenSecretManager, null, writer);
+    ((RMContextImpl) rmContext).setSystemMetricsPublisher(
+        mock(SystemMetricsPublisher.class));
 
     FifoScheduler scheduler = new FifoScheduler();
     scheduler.setRMContext(rmContext);
@@ -257,6 +262,8 @@ public class TestFifoScheduler {
     RMApplicationHistoryWriter writer = mock(RMApplicationHistoryWriter.class);
     RMContext rmContext = new RMContextImpl(dispatcher, null, null, null, null,
         null, containerTokenSecretManager, nmTokenSecretManager, null, writer);
+    ((RMContextImpl) rmContext).setSystemMetricsPublisher(
+        mock(SystemMetricsPublisher.class));
 
     FifoScheduler scheduler = new FifoScheduler(){
       @SuppressWarnings("unused")