Package org.apache.ambari.server.state

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

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    Resource.Type type = Resource.Type.Request;

    AmbariManagementController managementController = createMock(AmbariManagementController.class);
    ActionManager actionManager = createNiceMock(ActionManager.class);
    HostRoleCommand hostRoleCommand = createNiceMock(HostRoleCommand.class);
    Clusters clusters = createNiceMock(Clusters.class);
    Cluster cluster = createNiceMock(Cluster.class);

    List<HostRoleCommand> hostRoleCommands = new LinkedList<HostRoleCommand>();
    hostRoleCommands.add(hostRoleCommand);

    org.apache.ambari.server.actionmanager.Request requestMock =
        createNiceMock(org.apache.ambari.server.actionmanager.Request.class);
    expect(requestMock.getCommands()).andReturn(hostRoleCommands).anyTimes();
    expect(requestMock.getRequestContext()).andReturn("this is a context").anyTimes();
    expect(requestMock.getClusterName()).andReturn("c1").anyTimes();
    expect(requestMock.getRequestId()).andReturn(100L).anyTimes();

    Capture<Collection<Long>> requestIdsCapture = new Capture<Collection<Long>>();

    // set expectations
    expect(managementController.getActionManager()).andReturn(actionManager).anyTimes();
    expect(managementController.getClusters()).andReturn(clusters).anyTimes();
    expect(clusters.getCluster("c1")).andReturn(cluster).anyTimes();
    expect(clusters.getCluster("bad-cluster")).andThrow(new AmbariException("bad cluster!")).anyTimes();
    expect(actionManager.getRequests(capture(requestIdsCapture))).andReturn(Collections.singletonList(requestMock));
    expect(hostRoleCommand.getRequestId()).andReturn(100L).anyTimes();
    expect(hostRoleCommand.getStatus()).andReturn(HostRoleStatus.IN_PROGRESS);

    // replay
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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 testStatusCommandForAnyComponents() 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, injector);
    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, injector);
    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, injector);
    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"));
      } else if (sch.getServiceComponentName().equals("SECONDARY_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()));

        // disabled
        sch.handleEvent(new ServiceComponentHostDisableEvent(sch.getServiceComponentName(),
          sch.getHostName(), System.currentTimeMillis()));
      }
    }
   
    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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            + " set in the ambari.properties file");
      }

      //Start action scheduler
      LOG.info("********* Initializing Clusters **********");
      Clusters clusters = injector.getInstance(Clusters.class);
      StringBuilder clusterDump = new StringBuilder();
      clusters.debugDump(clusterDump);
      LOG.info("********* Current Clusters State *********");
      LOG.info(clusterDump.toString());

      LOG.info("********* Initializing ActionManager **********");
      ActionManager manager = injector.getInstance(ActionManager.class);
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    registerHost(host, true);
  }
 
  @Test
  public void testHostOs() throws Exception {
    Clusters clusters = mock(Clusters.class);
    ActionQueue queue = mock(ActionQueue.class);
    ActionManager manager = mock(ActionManager.class);
    Injector injector = mock(Injector.class);
    doNothing().when(injector).injectMembers(any());
    HeartBeatHandler handler = new HeartBeatHandler(clusters, queue, manager, injector);
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  }

  @Test
  public void testHeartbeat() throws Exception {
    ActionManager am = getMockActionManager();
    Clusters fsm = clusters;
    fsm.addHost(DummyHostname1);
    Host hostObject = clusters.getHost(DummyHostname1);
    hostObject.setIPv4("ipv4");
    hostObject.setIPv6("ipv6");
    hostObject.setOsType(DummyOsType);
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  @Test
  public void testRegistration() 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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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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