Package org.apache.ambari.server.state

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

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  @Test
  public void testInvalidOSRegistration() throws AmbariException,
      InvalidStateTransitionException {
    ActionManager am = getMockActionManager();
    Clusters fsm = clusters;
    HeartBeatHandler handler = new HeartBeatHandler(fsm, new ActionQueue(), am,
        injector);
    clusters.addHost(DummyHostname1);
    Host hostObject = clusters.getHost(DummyHostname1);
    hostObject.setIPv4("ipv4");
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  @Test
  public void testIncompatibleAgentRegistration() throws AmbariException,
          InvalidStateTransitionException {

    ActionManager am = getMockActionManager();
    Clusters fsm = clusters;
    HeartBeatHandler handler = new HeartBeatHandler(fsm, new ActionQueue(), am,
            injector);
    clusters.addHost(DummyHostname1);
    Host hostObject = clusters.getHost(DummyHostname1);
    hostObject.setIPv4("ipv4");
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  @Test
  public void testRegisterNewNode()
      throws AmbariException, InvalidStateTransitionException {
    ActionManager am = getMockActionManager();
    Clusters fsm = clusters;
    fsm.addHost(DummyHostname1);
    Host hostObject = clusters.getHost(DummyHostname1);
    hostObject.setIPv4("ipv4");
    hostObject.setIPv6("ipv6");

    HeartBeatHandler handler = new HeartBeatHandler(fsm, new ActionQueue(), am,
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    dummyCmds.add(statusCmd1);
    HeartbeatMonitor hm = mock(HeartbeatMonitor.class);
    when(hm.generateStatusCommands(anyString())).thenReturn(dummyCmds);

    ActionManager am = getMockActionManager();
    Clusters fsm = clusters;
    ActionQueue actionQueue = new ActionQueue();
    HeartBeatHandler handler = new HeartBeatHandler(fsm, actionQueue, am,
        injector);
    handler.setHeartbeatMonitor(hm);
    clusters.addHost(DummyHostname1);
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  }

  @Test
  public void testStateCommandsGeneration() throws AmbariException, InterruptedException,
          InvalidStateTransitionException {
    Clusters clusters = injector.getInstance(Clusters.class);
    clusters.addHost(hostname1);
    clusters.getHost(hostname1).setOsType("centos6");
    clusters.getHost(hostname1).persist();
    clusters.addHost(hostname2);
    clusters.getHost(hostname2).setOsType("centos6");
    clusters.getHost(hostname2).persist();
    clusters.addCluster(clusterName);
    Cluster cluster = clusters.getCluster(clusterName);
    cluster.setDesiredStackVersion(new StackId("HDP-0.1"));
    Set<String> hostNames = new HashSet<String>(){{
      add(hostname1);
      add(hostname2);
    }};
   
    ConfigFactory configFactory = injector.getInstance(ConfigFactory.class);
    Config config = configFactory.createNew(cluster, "global",
        new HashMap<String,String>() {{ put("a", "b"); }});
    config.setVersionTag("version1");
    cluster.addConfig(config);
    cluster.addDesiredConfig("_test", config);
   
   
    clusters.mapHostsToCluster(hostNames, clusterName);
    Service hdfs = cluster.addService(serviceName);
    hdfs.persist();
    hdfs.addServiceComponent(Role.DATANODE.name()).persist();
    hdfs.getServiceComponent(Role.DATANODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.NAMENODE.name()).persist();
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    assertTrue("HeartbeatMonitor should not generate StatusCommands for host2 because it has no services", cmds.isEmpty());
  }

  @Test
  public void testNoStatusCommandForClientComponents() throws Exception {
    Clusters clusters = injector.getInstance(Clusters.class);
    clusters.addHost(hostname1);
    clusters.getHost(hostname1).setOsType("centos6");
    clusters.getHost(hostname1).persist();
    clusters.addHost(hostname2);
    clusters.getHost(hostname2).setOsType("centos6");
    clusters.getHost(hostname2).persist();
    clusters.addCluster(clusterName);
    Cluster cluster = clusters.getCluster(clusterName);
    cluster.setDesiredStackVersion(new StackId("HDP-0.1"));
    Set<String> hostNames = new HashSet<String>() {{
      add(hostname1);
      add(hostname2);
    }};

    ConfigFactory configFactory = injector.getInstance(ConfigFactory.class);
    Config config = configFactory.createNew(cluster, "global",
      new HashMap<String, String>() {{
        put("a", "b");
      }});
    config.setVersionTag("version1");
    cluster.addConfig(config);
    cluster.addDesiredConfig("_test", config);


    clusters.mapHostsToCluster(hostNames, clusterName);
    Service hdfs = cluster.addService(serviceName);
    hdfs.persist();
    hdfs.addServiceComponent(Role.DATANODE.name()).persist();
    hdfs.getServiceComponent(Role.DATANODE.name()).addServiceComponentHost
      (hostname1).persist();
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  }

  @Test
  public void testHeartbeatStateCommandsEnqueueing() throws AmbariException, InterruptedException,
          InvalidStateTransitionException {
    Clusters clusters = injector.getInstance(Clusters.class);
    clusters.addHost(hostname1);
    clusters.getHost(hostname1).setOsType("centos5");
    clusters.getHost(hostname1).persist();
    clusters.addCluster(clusterName);
    Cluster cluster = clusters.getCluster(clusterName);
    cluster.setDesiredStackVersion(new StackId("HDP-0.1"));

    Set<String> hostNames = new HashSet<String>(){{
      add(hostname1);
     }};

    clusters.mapHostsToCluster(hostNames, clusterName);

    Service hdfs = cluster.addService(serviceName);
    hdfs.persist();
    hdfs.addServiceComponent(Role.DATANODE.name()).persist();
    hdfs.getServiceComponent(Role.DATANODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.NAMENODE.name()).persist();
    hdfs.getServiceComponent(Role.NAMENODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.SECONDARY_NAMENODE.name()).persist();
    hdfs.getServiceComponent(Role.SECONDARY_NAMENODE.name()).addServiceComponentHost(hostname1).persist();

    ActionQueue aqMock = mock(ActionQueue.class);
    ArgumentCaptor<AgentCommand> commandCaptor=ArgumentCaptor.
            forClass(AgentCommand.class);

    ActionManager am = mock(ActionManager.class);
    HeartbeatMonitor hm = new HeartbeatMonitor(clusters, aqMock, am, heartbeatMonitorWakeupIntervalMS);
    HeartBeatHandler handler = new HeartBeatHandler(clusters, aqMock, am,
        injector);
    Register reg = new Register();
    reg.setHostname(hostname1);
    reg.setResponseId(12);
    reg.setTimestamp(System.currentTimeMillis() - 15);
    reg.setAgentVersion(ambariMetaInfo.getServerVersion());
    HostInfo hi = new HostInfo();
    hi.setOS("Centos5");
    reg.setHardwareProfile(hi);
    handler.handleRegistration(reg);
    HeartBeat hb = new HeartBeat();
    hb.setHostname(hostname1);
    hb.setNodeStatus(new HostStatus(HostStatus.Status.HEALTHY, "cool"));
    hb.setTimestamp(System.currentTimeMillis());
    hb.setResponseId(13);
    handler.handleHeartBeat(hb);
    LOG.info("YYY");
    clusters.getHost(hostname1).setLastHeartbeatTime(System.currentTimeMillis() - 15);
    hm.start();
    Thread.sleep(3 * heartbeatMonitorWakeupIntervalMS);
    hm.shutdown();
    hm.join(2*heartbeatMonitorWakeupIntervalMS);
    if (hm.isAlive()) {
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  }

  @Test
  public void testHeartbeatLoss() throws AmbariException, InterruptedException,
          InvalidStateTransitionException {
    Clusters fsm = injector.getInstance(Clusters.class);
    String hostname = "host1";
    fsm.addHost(hostname);
    ActionQueue aq = new ActionQueue();
    ActionManager am = mock(ActionManager.class);
    HeartbeatMonitor hm = new HeartbeatMonitor(fsm, aq, am, 10);
    HeartBeatHandler handler = new HeartBeatHandler(fsm, aq, am, injector);
    Register reg = new Register();
    reg.setHostname(hostname);
    reg.setResponseId(12);
    reg.setTimestamp(System.currentTimeMillis() - 300);
    reg.setAgentVersion(ambariMetaInfo.getServerVersion());
    HostInfo hi = new HostInfo();
    hi.setOS("Centos5");
    reg.setHardwareProfile(hi);
    handler.handleRegistration(reg);
    HeartBeat hb = new HeartBeat();
    hb.setHostname(hostname);
    hb.setNodeStatus(new HostStatus(HostStatus.Status.HEALTHY, "cool"));
    hb.setTimestamp(System.currentTimeMillis());
    hb.setResponseId(12);
    handler.handleHeartBeat(hb);
    hm.start();
    aq.enqueue(hostname, new ExecutionCommand());
    //Heartbeat will expire and action queue will be flushed
    while (aq.size(hostname) != 0) {
      Thread.sleep(1);
    }
    assertEquals(fsm.getHost(hostname).getState(), HostState.HEARTBEAT_LOST);
  }
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  }
 
  @Test
  public void testHeartbeatLossWithComponent() throws AmbariException, InterruptedException,
          InvalidStateTransitionException {
    Clusters clusters = injector.getInstance(Clusters.class);
    clusters.addHost(hostname1);
    clusters.getHost(hostname1).setOsType("centos5");
    clusters.getHost(hostname1).persist();
   
    clusters.addCluster(clusterName);
    Cluster cluster = clusters.getCluster(clusterName);
    cluster.setDesiredStackVersion(new StackId("HDP-0.1"));

    Set<String> hostNames = new HashSet<String>(){{
      add(hostname1);
     }};

    clusters.mapHostsToCluster(hostNames, clusterName);

    Service hdfs = cluster.addService(serviceName);
    hdfs.persist();
    hdfs.addServiceComponent(Role.DATANODE.name()).persist();
    hdfs.getServiceComponent(Role.DATANODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.NAMENODE.name()).persist();
    hdfs.getServiceComponent(Role.NAMENODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.SECONDARY_NAMENODE.name()).persist();
    hdfs.getServiceComponent(Role.SECONDARY_NAMENODE.name()).addServiceComponentHost(hostname1).persist();
    hdfs.addServiceComponent(Role.HDFS_CLIENT.name()).persist();
    hdfs.getServiceComponent(Role.HDFS_CLIENT.name()).addServiceComponentHost(hostname1);
   
    ActionQueue aq = new ActionQueue();
    ActionManager am = mock(ActionManager.class);
    HeartbeatMonitor hm = new HeartbeatMonitor(clusters, aq, am, 10);
    HeartBeatHandler handler = new HeartBeatHandler(clusters, aq, am, injector);
   
    Register reg = new Register();
    reg.setHostname(hostname1);
    reg.setResponseId(12);
    reg.setTimestamp(System.currentTimeMillis() - 300);
    reg.setAgentVersion(ambariMetaInfo.getServerVersion());
    HostInfo hi = new HostInfo();
    hi.setOS("Centos5");
    reg.setHardwareProfile(hi);
    handler.handleRegistration(reg);
   
    cluster = clusters.getClustersForHost(hostname1).iterator().next();
    for (ServiceComponentHost sch : cluster.getServiceComponentHosts(hostname1)) {
      if (sch.getServiceComponentName().equals("NAMENODE")) {
        // installing
        sch.handleEvent(new ServiceComponentHostInstallEvent(
            sch.getServiceComponentName(), sch.getHostName(), System.currentTimeMillis(), "HDP-0.1"));
       
        // installed
        sch.handleEvent(new ServiceComponentHostOpSucceededEvent(sch.getServiceComponentName(),
            sch.getHostName(), System.currentTimeMillis()));
       
        // started
        sch.handleEvent(new ServiceComponentHostStartedEvent(sch.getServiceComponentName(),
            sch.getHostName(), System.currentTimeMillis()));
      }
      else if (sch.getServiceComponentName().equals("DATANODE")) {
        // installing
        sch.handleEvent(new ServiceComponentHostInstallEvent(
            sch.getServiceComponentName(), sch.getHostName(), System.currentTimeMillis(), "HDP-0.1"));
      }
    }
   
    HeartBeat hb = new HeartBeat();
    hb.setHostname(hostname1);
    hb.setNodeStatus(new HostStatus(HostStatus.Status.HEALTHY, "cool"));
    hb.setTimestamp(System.currentTimeMillis());
    hb.setResponseId(12);
    handler.handleHeartBeat(hb);
   
    hm.start();
    aq.enqueue(hostname1, new ExecutionCommand());
    //Heartbeat will expire and action queue will be flushed
    while (aq.size(hostname1) != 0) {
      Thread.sleep(1);
    }
    hm.shutdown();
   

    cluster = clusters.getClustersForHost(hostname1).iterator().next();
    for (ServiceComponentHost sch : cluster.getServiceComponentHosts(hostname1)) {
      Service s = cluster.getService(sch.getServiceName());
      ServiceComponent sc = s.getServiceComponent(sch.getServiceComponentName());
      if (sch.getServiceComponentName().equals("NAMENODE"))
        assertEquals(sch.getServiceComponentName(), State.UNKNOWN, sch.getState());
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    assertEquals(cmd, cmdDes);
  }

  @Test
  public void testGetClusterHostInfo() throws AmbariException, UnknownHostException {
    Clusters fsm = injector.getInstance(Clusters.class);
    fsm.addCluster("c1");
    fsm.addHost("h1");
    fsm.addHost("h2");
    fsm.addHost("h3");
    fsm.addHost("h4");
    fsm.getCluster("c1").setDesiredStackVersion(new StackId("HDP-0.1"));
    fsm.getHost("h1").setOsType("centos5");
    fsm.getHost("h2").setOsType("centos5");
    fsm.getHost("h3").setOsType("centos5");
    fsm.getHost("h4").setOsType("centos5");
    fsm.getHost("h1").persist();
    fsm.getHost("h2").persist();
    fsm.getHost("h3").persist();
    fsm.getHost("h4").persist();
    fsm.mapHostToCluster("h1", "c1");
    fsm.mapHostToCluster("h2", "c1");
    fsm.mapHostToCluster("h3", "c1");
    fsm.mapHostToCluster("h4", "c1");
    String [] hostList = {"h1", "h2", "h3" };
    addHdfsService(fsm.getCluster("c1"), hostList, injector);
    addHbaseService(fsm.getCluster("c1"), hostList, injector);
    addMapreduceService(fsm.getCluster("c1"), hostList, injector);
    Map<String, List<String>> info = StageUtils.getClusterHostInfo(fsm.getHostsForCluster("c1"),
        fsm.getCluster("c1"), new HostsMap(injector.getInstance(Configuration.class)), injector);
    assertEquals(2, info.get("slave_hosts").size());
    assertEquals(2, info.get("mapred_tt_hosts").size());
    assertEquals(2, info.get("hbase_rs_hosts").size());
    assertEquals(1, info.get("hbase_master_hosts").size());
    assertEquals(4, info.get("all_hosts").size());
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Related Classes of org.apache.ambari.server.state.Clusters

  • org.apache.ambari.server.actionmanager.ExecutionCommandWrapper
  • org.apache.ambari.server.actionmanager.TestActionManager
  • org.apache.ambari.server.actionmanager.TestActionScheduler
  • org.apache.ambari.server.agent.TestHeartbeatHandler
  • org.apache.ambari.server.agent.TestHeartbeatMonitor
  • org.apache.ambari.server.controller.AmbariManagementControllerImplTest
  • org.apache.ambari.server.controller.AmbariManagementControllerTest
  • org.apache.ambari.server.controller.AmbariServer
  • org.apache.ambari.server.controller.internal.ComponentResourceProvider
  • org.apache.ambari.server.controller.internal.ComponentResourceProviderTest
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