YARN-6395. Integrate service app master to write data into ATSv2. Contributed by Rohith Sharma K S

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/SliderAppMaster.java

@@ -64,6 +64,7 @@
 import org.apache.hadoop.yarn.api.records.Priority;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.client.api.AMRMClient;
+import org.apache.hadoop.yarn.client.api.TimelineClient;
 import org.apache.hadoop.yarn.client.api.YarnClient;
 import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
 import org.apache.hadoop.yarn.client.api.async.NMClientAsync;
@@ -146,6 +147,8 @@
 import org.apache.slider.server.appmaster.state.MostRecentContainerReleaseSelector;
 import org.apache.slider.server.appmaster.state.ProviderAppState;
 import org.apache.slider.server.appmaster.state.RoleInstance;
+import org.apache.slider.server.appmaster.timelineservice.ServiceTimelinePublisher;
+import org.apache.slider.server.appmaster.timelineservice.SliderMetricsSink;
 import org.apache.slider.server.appmaster.web.SliderAMWebApp;
 import org.apache.slider.server.appmaster.web.WebAppApi;
 import org.apache.slider.server.appmaster.web.WebAppApiImpl;
@@ -240,6 +243,13 @@ public class SliderAppMaster extends AbstractSliderLaunchedService
   @SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized")
   private AMRMClientAsync asyncRMClient;
 
+  /** Handle to communicate with the timeline service */
+  private TimelineClient timelineClient;
+
+  private boolean timelineServiceEnabled = false;
+
+  ServiceTimelinePublisher serviceTimelinePublisher;
+
   @SuppressWarnings("FieldAccessedSynchronizedAndUnsynchronized")
   private RMOperationHandler rmOperationHandler;
 
@@ -483,6 +493,10 @@ public synchronized void serviceInit(Configuration conf) throws Exception {
     addService(executorService);
 
     addService(actionQueues);
+    if (YarnConfiguration.timelineServiceV2Enabled(conf)) {
+      timelineServiceEnabled = true;
+      log.info("Enabled YARN timeline service v2. ");
+    }
 
     //init all child services
     super.serviceInit(conf);
@@ -650,6 +664,20 @@ private int createAndRunCluster(String appName) throws Throwable {
       //now bring it up
       deployChildService(asyncRMClient);
 
+      if (timelineServiceEnabled) {
+        timelineClient = TimelineClient.createTimelineClient(appid);
+        asyncRMClient.registerTimelineClient(timelineClient);
+        timelineClient.init(getConfig());
+        timelineClient.start();
+        log.info("Timeline client started.");
+
+        serviceTimelinePublisher = new ServiceTimelinePublisher(timelineClient);
+        serviceTimelinePublisher.init(getConfig());
+        serviceTimelinePublisher.start();
+        appState.setServiceTimelinePublisher(serviceTimelinePublisher);
+        log.info("ServiceTimelinePublisher started.");
+      }
+
 
       // nmclient relays callbacks back to this class
       nmClientAsync = new NMClientAsyncImpl("nmclient", this);
@@ -781,6 +809,12 @@ private int createAndRunCluster(String appName) throws Throwable {
 
       liveContainers = amRegistrationData.getContainersFromPreviousAttempts();
       DefaultMetricsSystem.initialize("SliderAppMaster");
+      if (timelineServiceEnabled) {
+        DefaultMetricsSystem.instance().register("SliderMetricsSink",
+            "For processing metrics to ATS",
+            new SliderMetricsSink(serviceTimelinePublisher));
+        log.info("SliderMetricsSink registered.");
+      }
 
       //determine the location for the role history data
       Path historyDir = new Path(appDir, HISTORY_DIR_NAME);
@@ -1132,6 +1166,9 @@ public void registerServiceInstance(String instanceName,
           yarnRegistryOperations.getSelfRegistrationPath(),
           true);
     }
+    if (timelineServiceEnabled) {
+      serviceTimelinePublisher.serviceAttemptRegistered(appState);
+    }
   }
 
   /**
@@ -1184,6 +1221,11 @@ public boolean registerComponent(ContainerId id, String description,
     container.setState(org.apache.slider.api.resource.ContainerState.INIT);
     container.setBareHost(instance.host);
     instance.providerRole.component.addContainer(container);
+
+    if (timelineServiceEnabled) {
+      serviceTimelinePublisher.componentInstanceStarted(container,
+          instance.providerRole.component.getName());
+    }
     return true;
   }
 
@@ -1345,6 +1387,12 @@ private synchronized int finish() throws Exception {
     releaseAllContainers(application);
     DefaultMetricsSystem.shutdown();
 
+    if (timelineServiceEnabled) {
+      serviceTimelinePublisher.serviceAttemptUnregistered(appState, stopAction);
+      serviceTimelinePublisher.stop();
+      timelineClient.stop();
+    }
+
     // When the application completes, it should send a finish application
     // signal to the RM
     log.info("Application completed. Signalling finish to RM");
@@ -1490,6 +1538,10 @@ public synchronized void onContainersCompleted(List<ContainerStatus> completedCo
       if(!result.unknownNode) {
         queue(new UnregisterComponentInstance(containerId, 0,
             TimeUnit.MILLISECONDS));
+        if (timelineServiceEnabled && result.roleInstance != null) {
+          serviceTimelinePublisher
+              .componentInstanceFinished(result.roleInstance);
+        }
       }
     }
 
@@ -1967,6 +2019,17 @@ public void onContainerStatusReceived(ContainerId containerId,
         nmClientAsync.getContainerStatusAsync(containerId,
             cinfo.container.getNodeId());
       }
+    } else if (timelineServiceEnabled) {
+      RoleInstance instance = appState.getOwnedContainer(containerId);
+      if (instance != null) {
+        org.apache.slider.api.resource.Container container =
+            instance.providerRole.component
+                .getContainer(containerId.toString());
+        if (container != null) {
+          serviceTimelinePublisher.componentInstanceUpdated(container,
+              instance.providerRole.component.getName());
+        }
+      }
     }
   }
 

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/state/AppState.java

@@ -64,6 +64,7 @@
 import org.apache.slider.server.appmaster.operations.ContainerReleaseOperation;
 import org.apache.slider.server.appmaster.operations.ContainerRequestOperation;
 import org.apache.slider.server.appmaster.operations.UpdateBlacklistOperation;
+import org.apache.slider.server.appmaster.timelineservice.ServiceTimelinePublisher;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -207,6 +208,8 @@ public class AppState {
   private Resource maxResource;
 
   private SliderMetrics appMetrics;
+
+  private ServiceTimelinePublisher serviceTimelinePublisher;
   /**
    * Create an instance
    * @param recordFactory factory for YARN records
@@ -1762,6 +1765,10 @@ public synchronized List<AbstractRMOperation> releaseAllContainers() {
         log.info("Releasing container. Log: " + url);
         try {
           containerReleaseSubmitted(possible);
+          // update during finish call
+          if (serviceTimelinePublisher != null) {
+            serviceTimelinePublisher.componentInstanceFinished(instance);
+          }
         } catch (SliderInternalStateException e) {
           log.warn("when releasing container {} :", possible, e);
         }
@@ -1948,4 +1955,8 @@ public Map<Integer, String> buildNamingMap() {
     }
     return naming;
   }
+
+  public void setServiceTimelinePublisher(ServiceTimelinePublisher serviceTimelinePublisher) {
+    this.serviceTimelinePublisher = serviceTimelinePublisher;
+  }
 }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/ServiceTimelinePublisher.java

@@ -0,0 +1,365 @@
+/*
+ * 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.slider.server.appmaster.timelineservice;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+
+import org.apache.hadoop.metrics2.AbstractMetric;
+import org.apache.hadoop.service.CompositeService;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
+import org.apache.hadoop.yarn.client.api.TimelineClient;
+import org.apache.hadoop.yarn.util.timeline.TimelineUtils;
+import org.apache.slider.api.resource.Application;
+import org.apache.slider.api.resource.Component;
+import org.apache.slider.api.resource.ConfigFile;
+import org.apache.slider.api.resource.Configuration;
+import org.apache.slider.api.resource.Container;
+import org.apache.slider.common.tools.SliderUtils;
+import org.apache.slider.server.appmaster.actions.ActionStopSlider;
+import org.apache.slider.server.appmaster.state.AppState;
+import org.apache.slider.server.appmaster.state.RoleInstance;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * A single service that publishes all the Timeline Entities.
+ */
+public class ServiceTimelinePublisher extends CompositeService {
+
+  // Number of bytes of config which can be published in one shot to ATSv2.
+  public static final int ATS_CONFIG_PUBLISH_SIZE_BYTES = 10 * 1024;
+
+  private TimelineClient timelineClient;
+
+  private volatile boolean stopped = false;
+
+  private static final Logger log =
+      LoggerFactory.getLogger(ServiceTimelinePublisher.class);
+
+  @Override
+  protected void serviceStop() throws Exception {
+    stopped = true;
+  }
+
+  public boolean isStopped() {
+    return stopped;
+  }
+
+  public ServiceTimelinePublisher(TimelineClient client) {
+    super(ServiceTimelinePublisher.class.getName());
+    timelineClient = client;
+  }
+
+  public void serviceAttemptRegistered(AppState appState) {
+    Application application = appState.getClusterStatus();
+    long currentTimeMillis = application.getLaunchTime() == null
+        ? System.currentTimeMillis() : application.getLaunchTime().getTime();
+
+    TimelineEntity entity = createServiceAttemptEntity(application.getId());
+    entity.setCreatedTime(currentTimeMillis);
+
+    // create info keys
+    Map<String, Object> entityInfos = new HashMap<String, Object>();
+    entityInfos.put(SliderTimelineMetricsConstants.NAME, application.getName());
+    entityInfos.put(SliderTimelineMetricsConstants.STATE,
+        application.getState().toString());
+    entityInfos.put(SliderTimelineMetricsConstants.LAUNCH_TIME,
+        currentTimeMillis);
+    entity.addInfo(entityInfos);
+
+    // add an event
+    TimelineEvent startEvent = new TimelineEvent();
+    startEvent.setId(SliderTimelineEvent.SERVICE_ATTEMPT_REGISTERED.toString());
+    startEvent.setTimestamp(currentTimeMillis);
+    entity.addEvent(startEvent);
+
+    // publish before configurations published
+    putEntity(entity);
+
+    // publish application specific configurations
+    publishConfigurations(application.getConfiguration(), application.getId(),
+        SliderTimelineEntityType.SERVICE_ATTEMPT.toString(), true);
+
+    // publish component as separate entity.
+    publishComponents(application.getComponents());
+  }
+
+  public void serviceAttemptUnregistered(AppState appState,
+      ActionStopSlider stopAction) {
+    long currentTimeMillis = System.currentTimeMillis();
+
+    TimelineEntity entity =
+        createServiceAttemptEntity(appState.getClusterStatus().getId());
+
+    // add info
+    Map<String, Object> entityInfos = new HashMap<String, Object>();
+    entityInfos.put(SliderTimelineMetricsConstants.EXIT_STATUS_CODE,
+        stopAction.getExitCode());
+    entityInfos.put(SliderTimelineMetricsConstants.STATE,
+        stopAction.getFinalApplicationStatus().toString());
+    if (stopAction.getMessage() != null) {
+      entityInfos.put(SliderTimelineMetricsConstants.EXIT_REASON,
+          stopAction.getMessage());
+    }
+    if (stopAction.getEx() != null) {
+      entityInfos.put(SliderTimelineMetricsConstants.DIAGNOSTICS_INFO,
+          stopAction.getEx().toString());
+    }
+    entity.addInfo(entityInfos);
+
+    // add an event
+    TimelineEvent startEvent = new TimelineEvent();
+    startEvent
+        .setId(SliderTimelineEvent.SERVICE_ATTEMPT_UNREGISTERED.toString());
+    startEvent.setTimestamp(currentTimeMillis);
+    entity.addEvent(startEvent);
+
+    putEntity(entity);
+  }
+
+  public void componentInstanceStarted(Container container,
+      String componentName) {
+
+    TimelineEntity entity = createComponentInstanceEntity(container.getId());
+    entity.setCreatedTime(container.getLaunchTime().getTime());
+
+    // create info keys
+    Map<String, Object> entityInfos = new HashMap<String, Object>();
+    entityInfos.put(SliderTimelineMetricsConstants.BARE_HOST,
+        container.getBareHost());
+    entityInfos.put(SliderTimelineMetricsConstants.STATE,
+        container.getState().toString());
+    entityInfos.put(SliderTimelineMetricsConstants.LAUNCH_TIME,
+        container.getLaunchTime().getTime());
+    entityInfos.put(SliderTimelineMetricsConstants.COMPONENT_NAME,
+        componentName);
+    entity.addInfo(entityInfos);
+
+    // add an event
+    TimelineEvent startEvent = new TimelineEvent();
+    startEvent
+        .setId(SliderTimelineEvent.COMPONENT_INSTANCE_REGISTERED.toString());
+    startEvent.setTimestamp(container.getLaunchTime().getTime());
+    entity.addEvent(startEvent);
+
+    putEntity(entity);
+  }
+
+  public void componentInstanceFinished(RoleInstance instance) {
+    TimelineEntity entity = createComponentInstanceEntity(instance.id);
+
+    // create info keys
+    Map<String, Object> entityInfos = new HashMap<String, Object>();
+    entityInfos.put(SliderTimelineMetricsConstants.EXIT_STATUS_CODE,
+        instance.exitCode);
+    entityInfos.put(SliderTimelineMetricsConstants.DIAGNOSTICS_INFO,
+        instance.diagnostics);
+    // TODO need to change the state based on enum value.
+    entityInfos.put(SliderTimelineMetricsConstants.STATE, "FINISHED");
+    entity.addInfo(entityInfos);
+
+    // add an event
+    TimelineEvent startEvent = new TimelineEvent();
+    startEvent
+        .setId(SliderTimelineEvent.COMPONENT_INSTANCE_UNREGISTERED.toString());
+    startEvent.setTimestamp(System.currentTimeMillis());
+    entity.addEvent(startEvent);
+
+    putEntity(entity);
+  }
+
+  public void componentInstanceUpdated(Container container,
+      String componentName) {
+    TimelineEntity entity = createComponentInstanceEntity(container.getId());
+
+    // create info keys
+    Map<String, Object> entityInfos = new HashMap<String, Object>();
+    entityInfos.put(SliderTimelineMetricsConstants.IP, container.getIp());
+    entityInfos.put(SliderTimelineMetricsConstants.HOSTNAME,
+        container.getHostname());
+    entityInfos.put(SliderTimelineMetricsConstants.STATE,
+        container.getState().toString());
+    entity.addInfo(entityInfos);
+
+    TimelineEvent updateEvent = new TimelineEvent();
+    updateEvent
+        .setId(SliderTimelineEvent.COMPONENT_INSTANCE_UPDATED.toString());
+    updateEvent.setTimestamp(System.currentTimeMillis());
+    entity.addEvent(updateEvent);
+
+    putEntity(entity);
+  }
+
+  private void publishComponents(List<Component> components) {
+    long currentTimeMillis = System.currentTimeMillis();
+    for (Component component : components) {
+      TimelineEntity entity = createComponentEntity(component.getName());
+      entity.setCreatedTime(currentTimeMillis);
+
+      // create info keys
+      Map<String, Object> entityInfos = new HashMap<String, Object>();
+      entityInfos.put(SliderTimelineMetricsConstants.ARTIFACT_ID,
+          component.getArtifact().getId());
+      entityInfos.put(SliderTimelineMetricsConstants.ARTIFACT_TYPE,
+          component.getArtifact().getType().toString());
+      if (component.getResource().getProfile() != null) {
+        entityInfos.put(SliderTimelineMetricsConstants.RESOURCE_PROFILE,
+            component.getResource().getProfile());
+      }
+      entityInfos.put(SliderTimelineMetricsConstants.RESOURCE_CPU,
+          component.getResource().getCpus());
+      entityInfos.put(SliderTimelineMetricsConstants.RESOURCE_MEMORY,
+          component.getResource().getMemory());
+
+      if (component.getLaunchCommand() != null) {
+        entityInfos.put(SliderTimelineMetricsConstants.LAUNCH_COMMAND,
+            component.getLaunchCommand());
+      }
+      entityInfos.put(SliderTimelineMetricsConstants.UNIQUE_COMPONENT_SUPPORT,
+          component.getUniqueComponentSupport().toString());
+      entityInfos.put(SliderTimelineMetricsConstants.RUN_PRIVILEGED_CONTAINER,
+          component.getRunPrivilegedContainer().toString());
+      if (component.getPlacementPolicy() != null) {
+        entityInfos.put(SliderTimelineMetricsConstants.PLACEMENT_POLICY,
+            component.getPlacementPolicy().getLabel());
+      }
+      entity.addInfo(entityInfos);
+
+      putEntity(entity);
+
+      // publish component specific configurations
+      publishConfigurations(component.getConfiguration(), component.getName(),
+          SliderTimelineEntityType.COMPONENT.toString(), false);
+    }
+  }
+
+  private void publishConfigurations(Configuration configuration,
+      String entityId, String entityType, boolean isServiceAttemptEntity) {
+    if (isServiceAttemptEntity) {
+      // publish slider-client.xml properties at service level
+      publishConfigurations(SliderUtils.loadSliderClientXML().iterator(),
+          entityId, entityType);
+    }
+    publishConfigurations(configuration.getProperties().entrySet().iterator(),
+        entityId, entityType);
+
+    publishConfigurations(configuration.getEnv().entrySet().iterator(),
+        entityId, entityType);
+
+    for (ConfigFile configFile : configuration.getFiles()) {
+      publishConfigurations(configFile.getProps().entrySet().iterator(),
+          entityId, entityType);
+    }
+  }
+
+  private void publishConfigurations(Iterator<Entry<String, String>> iterator,
+      String entityId, String entityType) {
+    int configSize = 0;
+    TimelineEntity entity = createTimelineEntity(entityId, entityType);
+    while (iterator.hasNext()) {
+      Entry<String, String> entry = iterator.next();
+      int size = entry.getKey().length() + entry.getValue().length();
+      configSize += size;
+      // Configs are split into multiple entities if they exceed 100kb in size.
+      if (configSize > ATS_CONFIG_PUBLISH_SIZE_BYTES) {
+        if (entity.getConfigs().size() > 0) {
+          putEntity(entity);
+          entity = createTimelineEntity(entityId, entityType);
+        }
+        configSize = size;
+      }
+      entity.addConfig(entry.getKey(), entry.getValue());
+    }
+    if (configSize > 0) {
+      putEntity(entity);
+    }
+  }
+
+  /**
+   * Called from SliderMetricsSink at regular interval of time.
+   * @param metrics of service or components
+   * @param entityId Id of entity
+   * @param entityType Type of entity
+   * @param timestamp
+   */
+  public void publishMetrics(Iterable<AbstractMetric> metrics, String entityId,
+      String entityType, long timestamp) {
+    TimelineEntity entity = createTimelineEntity(entityId, entityType);
+    Set<TimelineMetric> entityMetrics = new HashSet<TimelineMetric>();
+    for (AbstractMetric metric : metrics) {
+      TimelineMetric timelineMetric = new TimelineMetric();
+      timelineMetric.setId(metric.name());
+      timelineMetric.addValue(timestamp, metric.value());
+      entityMetrics.add(timelineMetric);
+    }
+    entity.setMetrics(entityMetrics);
+    putEntity(entity);
+  }
+
+  private TimelineEntity createServiceAttemptEntity(String serviceId) {
+    TimelineEntity entity = createTimelineEntity(serviceId,
+        SliderTimelineEntityType.SERVICE_ATTEMPT.toString());
+    return entity;
+  }
+
+  private TimelineEntity createComponentInstanceEntity(String instanceId) {
+    TimelineEntity entity = createTimelineEntity(instanceId,
+        SliderTimelineEntityType.COMPONENT_INSTANCE.toString());
+    return entity;
+  }
+
+  private TimelineEntity createComponentEntity(String componentId) {
+    TimelineEntity entity = createTimelineEntity(componentId,
+        SliderTimelineEntityType.COMPONENT.toString());
+    return entity;
+  }
+
+  private TimelineEntity createTimelineEntity(String entityId,
+      String entityType) {
+    TimelineEntity entity = new TimelineEntity();
+    entity.setId(entityId);
+    entity.setType(entityType);
+    return entity;
+  }
+
+  private void putEntity(TimelineEntity entity) {
+    try {
+      if (log.isDebugEnabled()) {
+        log.debug("Publishing the entity " + entity + ", JSON-style content: "
+            + TimelineUtils.dumpTimelineRecordtoJSON(entity));
+      }
+      if (timelineClient != null) {
+        timelineClient.putEntitiesAsync(entity);
+      } else {
+        log.error("Seems like client has been removed before the entity "
+            + "could be published for " + entity);
+      }
+    } catch (Exception e) {
+      log.error("Error when publishing entity " + entity, e);
+    }
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/SliderMetricsSink.java

@@ -0,0 +1,102 @@
+/*
+ * 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.slider.server.appmaster.timelineservice;
+
+import org.apache.commons.configuration2.SubsetConfiguration;
+import org.apache.hadoop.metrics2.MetricsRecord;
+import org.apache.hadoop.metrics2.MetricsSink;
+import org.apache.hadoop.metrics2.MetricsTag;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Write the metrics to a ATSv2. Generally, this class is instantiated via
+ * hadoop-metrics2 property files. Specifically, you would create this class by
+ * adding the following to by This would actually be set as: <code>
+ * [prefix].sink.[some instance name].class
+ * =org.apache.slider.server.appmaster.timelineservice.SliderMetricsSink
+ * </code>, where <tt>prefix</tt> is "atsv2": and <tt>some instance name</tt> is
+ * just any unique name, so properties can be differentiated if there are
+ * multiple sinks of the same type created
+ */
+public class SliderMetricsSink implements MetricsSink {
+
+  private static final Logger log =
+      LoggerFactory.getLogger(SliderMetricsSink.class);
+
+  private ServiceTimelinePublisher serviceTimelinePublisher;
+
+  public SliderMetricsSink() {
+
+  }
+
+  public SliderMetricsSink(ServiceTimelinePublisher publisher) {
+    serviceTimelinePublisher = publisher;
+  }
+
+  /**
+   * Publishes service and component metrics to ATS.
+   */
+  @Override
+  public void putMetrics(MetricsRecord record) {
+    if (serviceTimelinePublisher.isStopped()) {
+      log.warn("ServiceTimelinePublisher has stopped. "
+          + "Not publishing any more metrics to ATS.");
+      return;
+    }
+
+    boolean isServiceMetrics = false;
+    boolean isComponentMetrics = false;
+    String appId = null;
+    for (MetricsTag tag : record.tags()) {
+      if (tag.name().equals("type") && tag.value().equals("service")) {
+        isServiceMetrics = true;
+      } else if (tag.name().equals("type") && tag.value().equals("component")) {
+        isComponentMetrics = true;
+        break; // if component metrics, no more information required from tag so
+               // break the loop
+      } else if (tag.name().equals("appId")) {
+        appId = tag.value();
+      }
+    }
+
+    if (isServiceMetrics && appId != null) {
+      if (log.isDebugEnabled()) {
+        log.debug("Publishing service metrics. " + record);
+      }
+      serviceTimelinePublisher.publishMetrics(record.metrics(), appId,
+          SliderTimelineEntityType.SERVICE_ATTEMPT.toString(),
+          record.timestamp());
+    } else if (isComponentMetrics) {
+      if (log.isDebugEnabled()) {
+        log.debug("Publishing Component metrics. " + record);
+      }
+      serviceTimelinePublisher.publishMetrics(record.metrics(), record.name(),
+          SliderTimelineEntityType.COMPONENT.toString(), record.timestamp());
+    }
+  }
+
+  @Override
+  public void init(SubsetConfiguration conf) {
+  }
+
+  @Override
+  public void flush() {
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/SliderTimelineEntityType.java

@@ -0,0 +1,39 @@
+/*
+ * 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.slider.server.appmaster.timelineservice;
+
+/**
+ * Slider entities that are published to ATS.
+ */
+public enum SliderTimelineEntityType {
+  /**
+   * Used for publishing service entity information.
+   */
+  SERVICE_ATTEMPT,
+
+  /**
+   * Used for publishing component entity information.
+   */
+  COMPONENT,
+
+  /**
+   * Used for publishing component instance entity information.
+   */
+  COMPONENT_INSTANCE
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/SliderTimelineEvent.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.slider.server.appmaster.timelineservice;
+
+/**
+ * Events that are used to store in ATS.
+ */
+public enum SliderTimelineEvent {
+  SERVICE_ATTEMPT_REGISTERED,
+
+  SERVICE_ATTEMPT_UNREGISTERED,
+
+  COMPONENT_INSTANCE_REGISTERED,
+
+  COMPONENT_INSTANCE_UNREGISTERED,
+
+  COMPONENT_INSTANCE_UPDATED
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/SliderTimelineMetricsConstants.java

@@ -0,0 +1,91 @@
+/*
+ * 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.slider.server.appmaster.timelineservice;
+
+/**
+ * Constants which are stored as key in ATS
+ */
+public final class SliderTimelineMetricsConstants {
+
+  public static final String URI = "URI";
+
+  public static final String NAME = "NAME";
+
+  public static final String STATE = "STATE";
+
+  public static final String EXIT_STATUS_CODE = "EXIT_STATUS_CODE";
+
+  public static final String EXIT_REASON = "EXIT_REASON";
+
+  public static final String DIAGNOSTICS_INFO = "DIAGNOSTICS_INFO";
+
+  public static final String LAUNCH_TIME = "LAUNCH_TIME";
+
+  public static final String LAUNCH_COMMAND = "LAUNCH_COMMAND";
+
+  public static final String TOTAL_CONTAINERS = "NUMBER_OF_CONTAINERS";
+
+  public static final String RUNNING_CONTAINERS =
+      "NUMBER_OF_RUNNING_CONTAINERS";
+
+  /**
+   * Artifacts constants.
+   */
+  public static final String ARTIFACT_ID = "ARTIFACT_ID";
+
+  public static final String ARTIFACT_TYPE = "ARTIFACT_TYPE";
+
+  public static final String ARTIFACT_URI = "ARTIFACT_URI";
+
+  /**
+   * Resource constants.
+   */
+  public static final String RESOURCE_CPU = "RESOURCE_CPU";
+
+  public static final String RESOURCE_MEMORY = "RESOURCE_MEMORY";
+
+  public static final String RESOURCE_PROFILE = "RESOURCE_PROFILE";
+
+  /**
+   * component instance constants.
+   */
+  public static final String IP = "IP";
+
+  public static final String HOSTNAME = "HOSTNAME";
+
+  public static final String BARE_HOST = "BARE_HOST";
+
+  public static final String COMPONENT_NAME = "COMPONENT_NAME";
+
+  /**
+   * component constants.
+   */
+  public static final String DEPENDENCIES = "DEPENDENCIES";
+
+  public static final String DESCRIPTION = "DESCRIPTION";
+
+  public static final String UNIQUE_COMPONENT_SUPPORT =
+      "UNIQUE_COMPONENT_SUPPORT";
+
+  public static final String RUN_PRIVILEGED_CONTAINER =
+      "RUN_PRIVILEGED_CONTAINER";
+
+  public static final String PLACEMENT_POLICY = "PLACEMENT_POLICY";
+
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/main/java/org/apache/slider/server/appmaster/timelineservice/package-info.java

@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+/**
+ * ATS implementation
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+package org.apache.slider.server.appmaster.timelineservice;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/timelineservice/TestServiceTimelinePublisher.java

@@ -0,0 +1,285 @@
+/*
+ * 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.slider.server.appmaster.timelineservice;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
+import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity.Identifier;
+import org.apache.hadoop.yarn.client.api.TimelineClient;
+import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;
+import org.apache.hadoop.yarn.exceptions.YarnException;
+import org.apache.slider.api.resource.Application;
+import org.apache.slider.api.resource.ApplicationState;
+import org.apache.slider.api.resource.Artifact;
+import org.apache.slider.api.resource.Component;
+import org.apache.slider.api.resource.Container;
+import org.apache.slider.api.resource.ContainerState;
+import org.apache.slider.api.resource.PlacementPolicy;
+import org.apache.slider.api.resource.Resource;
+import org.apache.slider.server.appmaster.actions.ActionStopSlider;
+import org.apache.slider.server.appmaster.state.AppState;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test class for ServiceTimelinePublisher.
+ */
+public class TestServiceTimelinePublisher {
+  private TimelineClient timelineClient;
+  private Configuration config;
+  private ServiceTimelinePublisher serviceTimelinePublisher;
+  private static String SERVICE_NAME = "HBASE";
+  private static String SERVICEID = "application_1490093646524_0005";
+  private static String ARTIFACTID = "ARTIFACTID";
+  private static String COMPONENT_NAME = "DEFAULT";
+  private static String CONTAINER_ID =
+      "container_e02_1490093646524_0005_01_000001";
+  private static String CONTAINER_IP =
+      "localhost";
+  private static String CONTAINER_HOSTNAME =
+      "cnl124-localhost.site";
+  private static String CONTAINER_BAREHOST =
+      "localhost.com";
+
+  @Before
+  public void setUp() throws Exception {
+    config = new Configuration();
+    timelineClient = new DummyTimelineClient();
+    serviceTimelinePublisher = new ServiceTimelinePublisher(timelineClient);
+    timelineClient.init(config);
+    serviceTimelinePublisher.init(config);
+    timelineClient.start();
+    serviceTimelinePublisher.start();
+  }
+
+  @After
+  public void tearDown() throws Exception {
+    serviceTimelinePublisher.stop();
+    timelineClient.stop();
+  }
+
+  @Test
+  public void testServiceAttemptEntity() {
+    AppState appState = createMockAppState();
+    int exitCode = 0;
+    String message = "Stopped by user";
+    ActionStopSlider stopAction = mock(ActionStopSlider.class);
+    when(stopAction.getExitCode()).thenReturn(exitCode);
+    when(stopAction.getFinalApplicationStatus())
+        .thenReturn(FinalApplicationStatus.SUCCEEDED);
+    when(stopAction.getMessage()).thenReturn(message);
+
+    serviceTimelinePublisher.serviceAttemptRegistered(appState);
+
+    Collection<TimelineEntity> lastPublishedEntities =
+        ((DummyTimelineClient) timelineClient).getLastPublishedEntities();
+    // 2 entities because during registration component also registered.
+    assertEquals(2, lastPublishedEntities.size());
+    for (TimelineEntity timelineEntity : lastPublishedEntities) {
+      if (timelineEntity.getType() == SliderTimelineEntityType.COMPONENT
+          .toString()) {
+        verifyComponentTimelineEntity(timelineEntity);
+      } else {
+        verifyServiceAttemptTimelineEntity(timelineEntity, 0, null, true);
+      }
+    }
+
+    serviceTimelinePublisher.serviceAttemptUnregistered(appState, stopAction);
+    lastPublishedEntities =
+        ((DummyTimelineClient) timelineClient).getLastPublishedEntities();
+    for (TimelineEntity timelineEntity : lastPublishedEntities) {
+      if (timelineEntity.getType() == SliderTimelineEntityType.SERVICE_ATTEMPT
+          .toString()) {
+        verifyServiceAttemptTimelineEntity(timelineEntity, exitCode, message,
+            false);
+      }
+    }
+  }
+
+  @Test
+  public void testComponentInstanceEntity() {
+    Container container = new Container();
+    container.id(CONTAINER_ID).ip(CONTAINER_IP).bareHost(CONTAINER_BAREHOST)
+        .hostname(CONTAINER_HOSTNAME).state(ContainerState.INIT)
+        .launchTime(new Date());
+    serviceTimelinePublisher.componentInstanceStarted(container,
+        COMPONENT_NAME);
+
+    Collection<TimelineEntity> lastPublishedEntities =
+        ((DummyTimelineClient) timelineClient).getLastPublishedEntities();
+    assertEquals(1, lastPublishedEntities.size());
+    TimelineEntity entity = lastPublishedEntities.iterator().next();
+
+    assertEquals(1, entity.getEvents().size());
+    assertEquals(CONTAINER_ID, entity.getId());
+    assertEquals(CONTAINER_BAREHOST,
+        entity.getInfo().get(SliderTimelineMetricsConstants.BARE_HOST));
+    assertEquals(COMPONENT_NAME,
+        entity.getInfo().get(SliderTimelineMetricsConstants.COMPONENT_NAME));
+    assertEquals(ContainerState.INIT.toString(),
+        entity.getInfo().get(SliderTimelineMetricsConstants.STATE));
+
+    // updated container state
+    container.setState(ContainerState.READY);
+    serviceTimelinePublisher.componentInstanceUpdated(container,
+        COMPONENT_NAME);
+    lastPublishedEntities =
+        ((DummyTimelineClient) timelineClient).getLastPublishedEntities();
+    assertEquals(1, lastPublishedEntities.size());
+    entity = lastPublishedEntities.iterator().next();
+    assertEquals(2, entity.getEvents().size());
+    assertEquals(ContainerState.READY.toString(),
+        entity.getInfo().get(SliderTimelineMetricsConstants.STATE));
+
+  }
+
+  private void verifyServiceAttemptTimelineEntity(TimelineEntity timelineEntity,
+      int exitCode, String message, boolean isRegistedEntity) {
+    assertEquals(SERVICEID, timelineEntity.getId());
+    assertEquals(SERVICE_NAME,
+        timelineEntity.getInfo().get(SliderTimelineMetricsConstants.NAME));
+    if (isRegistedEntity) {
+      assertEquals(ApplicationState.STARTED.toString(),
+          timelineEntity.getInfo().get(SliderTimelineMetricsConstants.STATE));
+      assertEquals(SliderTimelineEvent.SERVICE_ATTEMPT_REGISTERED.toString(),
+          timelineEntity.getEvents().iterator().next().getId());
+    } else {
+      assertEquals("SUCCEEDED",
+          timelineEntity.getInfo().get(SliderTimelineMetricsConstants.STATE));
+      assertEquals(exitCode, timelineEntity.getInfo()
+          .get(SliderTimelineMetricsConstants.EXIT_STATUS_CODE));
+      assertEquals(message, timelineEntity.getInfo()
+          .get(SliderTimelineMetricsConstants.EXIT_REASON));
+
+      assertEquals(2, timelineEntity.getEvents().size());
+      assertEquals(SliderTimelineEvent.SERVICE_ATTEMPT_UNREGISTERED.toString(),
+          timelineEntity.getEvents().iterator().next().getId());
+    }
+  }
+
+  private void verifyComponentTimelineEntity(TimelineEntity entity) {
+    Map<String, Object> info = entity.getInfo();
+    assertEquals("DEFAULT", entity.getId());
+    assertEquals(ARTIFACTID,
+        info.get(SliderTimelineMetricsConstants.ARTIFACT_ID));
+    assertEquals("DOCKER",
+        info.get(SliderTimelineMetricsConstants.ARTIFACT_TYPE));
+    assertEquals("medium",
+        info.get(SliderTimelineMetricsConstants.RESOURCE_PROFILE));
+    assertEquals(1, info.get(SliderTimelineMetricsConstants.RESOURCE_CPU));
+    assertEquals("1024",
+        info.get(SliderTimelineMetricsConstants.RESOURCE_MEMORY));
+    assertEquals("sleep 1",
+        info.get(SliderTimelineMetricsConstants.LAUNCH_COMMAND));
+    assertEquals("false",
+        info.get(SliderTimelineMetricsConstants.UNIQUE_COMPONENT_SUPPORT));
+    assertEquals("false",
+        info.get(SliderTimelineMetricsConstants.RUN_PRIVILEGED_CONTAINER));
+    assertEquals("label",
+        info.get(SliderTimelineMetricsConstants.PLACEMENT_POLICY));
+  }
+
+  private static AppState createMockAppState() {
+    AppState appState = mock(AppState.class);
+    Application application = mock(Application.class);
+
+    when(application.getId()).thenReturn(SERVICEID);
+    when(application.getLaunchTime()).thenReturn(new Date());
+    when(application.getState()).thenReturn(ApplicationState.STARTED);
+    when(application.getName()).thenReturn(SERVICE_NAME);
+    when(application.getConfiguration())
+        .thenReturn(new org.apache.slider.api.resource.Configuration());
+
+    Component component = mock(Component.class);
+    Artifact artifact = new Artifact();
+    artifact.setId(ARTIFACTID);
+    Resource resource = new Resource();
+    resource.setCpus(1);
+    resource.setMemory(1024 + "");
+    resource.setProfile("medium");
+    when(component.getArtifact()).thenReturn(artifact);
+    when(component.getName()).thenReturn(COMPONENT_NAME);
+    when(component.getResource()).thenReturn(resource);
+    when(component.getLaunchCommand()).thenReturn("sleep 1");
+    PlacementPolicy placementPolicy = new PlacementPolicy();
+    placementPolicy.setLabel("label");
+    when(component.getPlacementPolicy()).thenReturn(placementPolicy);
+    when(component.getConfiguration())
+        .thenReturn(new org.apache.slider.api.resource.Configuration());
+    List<Component> components = new ArrayList<Component>();
+    components.add(component);
+
+    when(application.getComponents()).thenReturn(components);
+    when(appState.getClusterStatus()).thenReturn(application);
+    return appState;
+  }
+
+  public static void main(String[] args) {
+    Application application = createMockAppState().getClusterStatus();
+    System.out.println(application.getConfiguration());
+  }
+
+  protected static class DummyTimelineClient extends TimelineClientImpl {
+    private Map<Identifier, TimelineEntity> lastPublishedEntities =
+        new HashMap<>();
+
+    @Override
+    public void putEntitiesAsync(TimelineEntity... entities)
+        throws IOException, YarnException {
+      for (TimelineEntity timelineEntity : entities) {
+        TimelineEntity entity =
+            lastPublishedEntities.get(timelineEntity.getIdentifier());
+        if (entity == null) {
+          lastPublishedEntities.put(timelineEntity.getIdentifier(),
+              timelineEntity);
+        } else {
+          entity.addMetrics(timelineEntity.getMetrics());
+          entity.addEvents(timelineEntity.getEvents());
+          entity.addInfo(timelineEntity.getInfo());
+          entity.addConfigs(timelineEntity.getConfigs());
+          entity.addRelatesToEntities(timelineEntity.getRelatesToEntities());
+          entity
+              .addIsRelatedToEntities(timelineEntity.getIsRelatedToEntities());
+        }
+      }
+    }
+
+    public Collection<TimelineEntity> getLastPublishedEntities() {
+      return lastPublishedEntities.values();
+    }
+
+    public void reset() {
+      lastPublishedEntities = null;
+    }
+  }
+}

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-slider/hadoop-yarn-slider-core/src/test/java/org/apache/slider/server/appmaster/timelineservice/package-info.java

@@ -0,0 +1,26 @@
+/*
+ * 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.
+ */
+/**
+ * ATS tests
+ */
+@InterfaceAudience.Private
+@InterfaceStability.Unstable
+package org.apache.slider.server.appmaster.timelineservice;
+
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;