Package org.apache.ambari.server.state

Examples of org.apache.ambari.server.state.Service

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    @SuppressWarnings("serial")
    Set<String> hostNames = new HashSet<String>() {{
      add(DummyHostname1);
    }};
    clusters.mapHostsToCluster(hostNames, DummyCluster);
    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();

    ActionQueue aq = new ActionQueue();
    HeartBeatHandler handler = getHeartBeatHandler(am, aq);

    ServiceComponentHost serviceComponentHost1 = clusters.getCluster(DummyCluster).getService(HDFS).
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      add(DummyHostname1);
    }};

    clusters.mapHostsToCluster(hostNames, DummyCluster);

    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(NAMENODE).persist();
    hdfs.getServiceComponent(NAMENODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(HDFS_CLIENT).persist();
    hdfs.getServiceComponent(HDFS_CLIENT).addServiceComponentHost(DummyHostname1).persist();

    ServiceComponentHost serviceComponentHost1 = clusters.getCluster(DummyCluster).getService(HDFS).
        getServiceComponent(DATANODE).getServiceComponentHost(DummyHostname1);
    ServiceComponentHost serviceComponentHost2 = clusters.getCluster(DummyCluster).getService(HDFS).
        getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1);
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      add(DummyHostname1);
    }};

    clusters.mapHostsToCluster(hostNames, DummyCluster);

    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(NAMENODE).persist();
    hdfs.getServiceComponent(NAMENODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(HDFS_CLIENT).persist();
    hdfs.getServiceComponent(HDFS_CLIENT).addServiceComponentHost(DummyHostname1).persist();

    ServiceComponentHost serviceComponentHost1 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(DATANODE).getServiceComponentHost(DummyHostname1);
    ServiceComponentHost serviceComponentHost2 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1);
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      add(DummyHostname1);
    }};

    clusters.mapHostsToCluster(hostNames, DummyCluster);

    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(NAMENODE).persist();
    hdfs.getServiceComponent(NAMENODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(HDFS_CLIENT).persist();
    hdfs.getServiceComponent(HDFS_CLIENT).addServiceComponentHost(DummyHostname1).persist();

    ServiceComponentHost serviceComponentHost1 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(DATANODE).getServiceComponentHost(DummyHostname1);
    ServiceComponentHost serviceComponentHost2 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1);
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      add(DummyHostname1);
    }};

    clusters.mapHostsToCluster(hostNames, DummyCluster);

    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(NAMENODE).persist();
    hdfs.getServiceComponent(NAMENODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(HDFS_CLIENT).persist();
    hdfs.getServiceComponent(HDFS_CLIENT).addServiceComponentHost(DummyHostname1).persist();

    ServiceComponentHost serviceComponentHost1 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(DATANODE).getServiceComponentHost(DummyHostname1);
    ServiceComponentHost serviceComponentHost2 = clusters.getCluster(DummyCluster).getService(HDFS).
            getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1);
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    Clusters fsm = clusters;

    Cluster cluster = getDummyCluster();
    Host hostObject = clusters.getHost(DummyHostname1);
    clusters.mapHostToCluster(hostObject.getHostName(), cluster.getClusterName());
    Service hdfs = cluster.addService(HDFS);
    hdfs.persist();
    hdfs.addServiceComponent(DATANODE).persist();
    hdfs.getServiceComponent(DATANODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.addServiceComponent(NAMENODE).persist();
    hdfs.getServiceComponent(NAMENODE).addServiceComponentHost(DummyHostname1).persist();
    hdfs.getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1).setState(State.STARTED);
    hdfs.getServiceComponent(DATANODE).getServiceComponentHost(DummyHostname1).setState(State.STARTED);

    ActionQueue aq = new ActionQueue();

    HeartBeatHandler handler = new HeartBeatHandler(fsm, aq, am, injector);
    Register reg = new Register();
    HostInfo hi = new HostInfo();
    hi.setHostName(DummyHostname1);
    hi.setOS(DummyOs);
    hi.setOSRelease(DummyOSRelease);
    reg.setHostname(DummyHostname1);
    reg.setHardwareProfile(hi);
    reg.setAgentVersion(metaInfo.getServerVersion());
    handler.handleRegistration(reg);

    hostObject.setState(HostState.UNHEALTHY);

    aq.enqueue(DummyHostname1, new StatusCommand());
   
    //All components are up
    HeartBeat hb1 = new HeartBeat();
    hb1.setResponseId(0);
    hb1.setNodeStatus(new HostStatus(Status.HEALTHY, DummyHostStatus));
    hb1.setHostname(DummyHostname1);
    List<ComponentStatus> componentStatus = new ArrayList<ComponentStatus>();
    ComponentStatus dataNodeStatus = new ComponentStatus();
    dataNodeStatus.setClusterName(cluster.getClusterName());
    dataNodeStatus.setServiceName(HDFS);
    dataNodeStatus.setComponentName(DATANODE);
    dataNodeStatus.setStatus("STARTED");
    componentStatus.add(dataNodeStatus);
    ComponentStatus nameNodeStatus = new ComponentStatus();
    nameNodeStatus.setClusterName(cluster.getClusterName());
    nameNodeStatus.setServiceName(HDFS);
    nameNodeStatus.setComponentName(NAMENODE);
    nameNodeStatus.setStatus("STARTED");
    componentStatus.add(nameNodeStatus);
    hb1.setComponentStatus(componentStatus);
    handler.handleHeartBeat(hb1);
    assertEquals(HostHealthStatus.HealthStatus.HEALTHY.name(), hostObject.getStatus());
   
    //Some slaves are down, masters are up
    HeartBeat hb2 = new HeartBeat();
    hb2.setResponseId(1);
    hb2.setNodeStatus(new HostStatus(Status.HEALTHY, DummyHostStatus));
    hb2.setHostname(DummyHostname1);
    componentStatus = new ArrayList<ComponentStatus>();
    dataNodeStatus = new ComponentStatus();
    dataNodeStatus.setClusterName(cluster.getClusterName());
    dataNodeStatus.setServiceName(HDFS);
    dataNodeStatus.setComponentName(DATANODE);
    dataNodeStatus.setStatus("INSTALLED");
    componentStatus.add(dataNodeStatus);
    nameNodeStatus = new ComponentStatus();
    nameNodeStatus.setClusterName(cluster.getClusterName());
    nameNodeStatus.setServiceName(HDFS);
    nameNodeStatus.setComponentName(NAMENODE);
    nameNodeStatus.setStatus("STARTED");
    componentStatus.add(nameNodeStatus);
    hb2.setComponentStatus(componentStatus);
    handler.handleHeartBeat(hb2);
    assertEquals(HostHealthStatus.HealthStatus.ALERT.name(), hostObject.getStatus());
   
    // mark the installed DN as maintenance
    hdfs.getServiceComponent(DATANODE).getServiceComponentHost(
        DummyHostname1).setMaintenanceState(MaintenanceState.ON);
    HeartBeat hb2a = new HeartBeat();
    hb2a.setResponseId(2);
    hb2a.setNodeStatus(new HostStatus(Status.HEALTHY, DummyHostStatus));
    hb2a.setHostname(DummyHostname1);
    componentStatus = new ArrayList<ComponentStatus>();
    dataNodeStatus = new ComponentStatus();
    dataNodeStatus.setClusterName(cluster.getClusterName());
    dataNodeStatus.setServiceName(HDFS);
    dataNodeStatus.setComponentName(DATANODE);
    dataNodeStatus.setStatus("INSTALLED");
    componentStatus.add(dataNodeStatus);
    nameNodeStatus = new ComponentStatus();
    nameNodeStatus.setClusterName(cluster.getClusterName());
    nameNodeStatus.setServiceName(HDFS);
    nameNodeStatus.setComponentName(NAMENODE);
    nameNodeStatus.setStatus("STARTED");
    componentStatus.add(nameNodeStatus);
    hb2a.setComponentStatus(componentStatus);
    handler.handleHeartBeat(hb2a);
    assertEquals(HostHealthStatus.HealthStatus.HEALTHY.name(), hostObject.getStatus());
   
    hdfs.getServiceComponent(DATANODE).getServiceComponentHost(
        DummyHostname1).setMaintenanceState(MaintenanceState.OFF);
   
    //Some masters are down
    HeartBeat hb3 = new HeartBeat();
    hb3.setResponseId(3);
    hb3.setNodeStatus(new HostStatus(Status.HEALTHY, DummyHostStatus));
    hb3.setHostname(DummyHostname1);
    componentStatus = new ArrayList<ComponentStatus>();
    dataNodeStatus = new ComponentStatus();
    dataNodeStatus.setClusterName(cluster.getClusterName());
    dataNodeStatus.setServiceName(HDFS);
    dataNodeStatus.setComponentName(DATANODE);
    dataNodeStatus.setStatus("INSTALLED");
    componentStatus.add(dataNodeStatus);
    nameNodeStatus = new ComponentStatus();
    nameNodeStatus.setClusterName(cluster.getClusterName());
    nameNodeStatus.setServiceName(HDFS);
    nameNodeStatus.setComponentName(NAMENODE);
    nameNodeStatus.setStatus("INSTALLED");
    componentStatus.add(nameNodeStatus);
    hb3.setComponentStatus(componentStatus);
    handler.handleHeartBeat(hb3);
    assertEquals(HostHealthStatus.HealthStatus.UNHEALTHY.name(), hostObject.getStatus());

    //All are up
    hb1.setResponseId(4);
    handler.handleHeartBeat(hb1);
    assertEquals(HostHealthStatus.HealthStatus.HEALTHY.name(), hostObject.getStatus());

    //Only one component reported status
    hdfs.getServiceComponent(NAMENODE).getServiceComponentHost(DummyHostname1).setState(State.INSTALLED);
    HeartBeat hb4 = new HeartBeat();
    hb4.setResponseId(5);
    hb4.setNodeStatus(new HostStatus(Status.HEALTHY, DummyHostStatus));
    hb4.setHostname(DummyHostname1);
    componentStatus = new ArrayList<ComponentStatus>();
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              + " only INIT state allowed during creation"
              + ", providedDesiredState=" + request.getDesiredState());
        }
      }

      Service s;
      try {
        s = cluster.getService(request.getServiceName());
      } catch (ServiceNotFoundException e) {
        throw new IllegalArgumentException(
            "The service[" + request.getServiceName() + "] associated with the component[" +
            request.getComponentName() + "] doesn't exist for the cluster[" + request.getClusterName() + "]");
      }
      ServiceComponent sc = s.getServiceComponent(
          request.getComponentName());

      Host host;
      try {
        host = clusters.getHost(request.getHostname());
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  @Transactional
  void persistServiceComponentHosts(Set<ServiceComponentHostRequest> requests) throws AmbariException {
    for (ServiceComponentHostRequest request : requests) {
      Cluster cluster = clusters.getCluster(request.getClusterName());
      Service s = cluster.getService(request.getServiceName());
      ServiceComponent sc = s.getServiceComponent(
          request.getComponentName());

      StackId stackId = sc.getDesiredStackVersion();
      ComponentInfo compInfo = ambariMetaInfo.getComponentCategory(
          stackId.getStackName(), stackId.getStackVersion(),
          s.getName(), sc.getName());
      boolean isClient = compInfo.isClient();

      ServiceComponentHost sch =
          serviceComponentHostFactory.createNew(sc, request.getHostname());
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    return null;
  }

  public String getJobTrackerHost(Cluster cluster) {
    try {
      Service svc = cluster.getService("MAPREDUCE");
      ServiceComponent sc = svc.getServiceComponent(Role.JOBTRACKER.toString());
      if (sc.getServiceComponentHosts() != null
          && !sc.getServiceComponentHosts().isEmpty()) {
        return sc.getServiceComponentHosts().keySet().iterator().next();
      }
    } catch (AmbariException ex) {
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    }

    Map<String, List<ServiceComponentHost>> clientSchs = new HashMap<String, List<ServiceComponentHost>>();

    for (String serviceName : services) {
      Service s = cluster.getService(serviceName);
      for (String component : s.getServiceComponents().keySet()) {
        List<ServiceComponentHost> potentialHosts = new ArrayList<ServiceComponentHost>();
        ServiceComponent sc = s.getServiceComponents().get(component);
        if (sc.isClientComponent()) {
          for (ServiceComponentHost potentialSch : sc.getServiceComponentHosts().values()) {
            Host host = clusters.getHost(potentialSch.getHostName());
            // Host is alive and neither host nor SCH is in Maintenance State
            if (!potentialSch.getHostState().equals(HostState.HEARTBEAT_LOST)
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Related Classes of org.apache.ambari.server.state.Service

  • org.apache.ambari.server.actionmanager.ActionScheduler
  • org.apache.ambari.server.actionmanager.TestActionScheduler
  • org.apache.ambari.server.agent.HeartBeatHandler
  • org.apache.ambari.server.agent.HeartbeatMonitor
  • org.apache.ambari.server.agent.TestHeartbeatHandler
  • org.apache.ambari.server.agent.TestHeartbeatMonitor
  • org.apache.ambari.server.controller.AmbariCustomCommandExecutionHelper
  • org.apache.ambari.server.controller.AmbariManagementControllerImpl
  • org.apache.ambari.server.controller.AmbariManagementControllerImplTest
  • org.apache.ambari.server.controller.AmbariManagementControllerTest
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