Package org.apache.ambari.server.state

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

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      Gson gson = new Gson();

      clusters.addHost("host1");
      clusters.addHost("host2");
      clusters.addHost("host3");
      Host host = clusters.getHost("host1");
      host.setOsType("centos5");
      host.persist();
      host = clusters.getHost("host2");
      host.setOsType("centos5");
      host.persist();
      host = clusters.getHost("host3");
      host.setOsType("centos5");
      host.persist();

      ClusterRequest clusterRequest = new ClusterRequest(null, "c1", "HDP-1.2.0", null);
      amc.createCluster(clusterRequest);

      Set<ServiceRequest> serviceRequests = new HashSet<ServiceRequest>();
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    try {
      AmbariManagementController amc = injector.getInstance(AmbariManagementController.class);
      Clusters clusters = injector.getInstance(Clusters.class);

      clusters.addHost(HOST1);
      Host host = clusters.getHost(HOST1);
      host.setOsType(OS_TYPE);
      host.persist();

      ClusterRequest clusterRequest = new ClusterRequest(null, CLUSTER_NAME, STACK_ID, null);
      amc.createCluster(clusterRequest);

      Set<ServiceRequest> serviceRequests = new HashSet<ServiceRequest>();
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    HostRequest hr = new HostRequest(host1, clusterName, requestProperties);
    hr.setMaintenanceState(MaintenanceState.ON.name());
    HostResourceProviderTest.updateHosts(controller, Collections.singleton(hr),
        new HashMap<String, String>());
   
    Host host = hosts.get(host1);
    Assert.assertEquals(MaintenanceState.ON, host.getMaintenanceState(cluster.getClusterId()));
   
    // check the host components implied state vs desired state, only for affected hosts
    for (ServiceComponent sc : service.getServiceComponents().values()) {
      for (ServiceComponentHost sch : sc.getServiceComponentHosts().values()) {
        MaintenanceState implied = controller.getEffectiveMaintenanceState(sch);
        if (sch.getHostName().equals(host1)) {
          Assert.assertEquals(MaintenanceState.IMPLIED_FROM_HOST, implied);
        } else {
          Assert.assertEquals(MaintenanceState.OFF, implied);
        }
        Assert.assertEquals(MaintenanceState.OFF, sch.getMaintenanceState());
      }
    }
   
    // reset
    hr.setMaintenanceState(MaintenanceState.OFF.name());
    HostResourceProviderTest.updateHosts(controller, Collections.singleton(hr),
        new HashMap<String, String>());
   
    host = hosts.get(host1);
    Assert.assertEquals(MaintenanceState.OFF, host.getMaintenanceState(cluster.getClusterId()));
   
    // check the host components active state vs desired state
    for (ServiceComponent sc : service.getServiceComponents().values()) {
      for (ServiceComponentHost sch : sc.getServiceComponentHosts().values()) {
        Assert.assertEquals(MaintenanceState.OFF,
            controller.getEffectiveMaintenanceState(sch));
        Assert.assertEquals(MaintenanceState.OFF, sch.getMaintenanceState());
      }
    }
   
    // passivate several hosts
    HostRequest hr1 = new HostRequest(host1, clusterName, requestProperties);
    hr1.setMaintenanceState(MaintenanceState.ON.name());
    HostRequest hr2 = new HostRequest(host2, clusterName, requestProperties);
    hr2.setMaintenanceState(MaintenanceState.ON.name());
    Set<HostRequest> set = new HashSet<HostRequest>();
    set.add(hr1);
    set.add(hr2);
    HostResourceProviderTest.updateHosts(controller, set, new HashMap<String, String>());

    host = hosts.get(host1);
    Assert.assertEquals(MaintenanceState.ON, host.getMaintenanceState(cluster.getClusterId()));
    host = hosts.get(host2);
    Assert.assertEquals(MaintenanceState.ON, host.getMaintenanceState(cluster.getClusterId()));
   
    // reset
    hr1 = new HostRequest(host1, clusterName, requestProperties);
    hr1.setMaintenanceState(MaintenanceState.OFF.name());
    hr2 = new HostRequest(host2, clusterName, requestProperties);
    hr2.setMaintenanceState(MaintenanceState.OFF.name());
    set = new HashSet<HostRequest>();
    set.add(hr1);
    set.add(hr2);

    HostResourceProviderTest.updateHosts(controller, set, new HashMap<String, String>());
    host = hosts.get(host1);
    Assert.assertEquals(MaintenanceState.OFF, host.getMaintenanceState(cluster.getClusterId()));
    host = hosts.get(host2);
    Assert.assertEquals(MaintenanceState.OFF, host.getMaintenanceState(cluster.getClusterId()));

   
    // only do one SCH
    ServiceComponentHost targetSch = service.getServiceComponent(
        componentName2).getServiceComponentHosts().get(host2);
    Assert.assertNotNull(targetSch);
    targetSch.setMaintenanceState(MaintenanceState.ON);

    // check the host components active state vs desired state
    Assert.assertEquals(MaintenanceState.ON, controller.getEffectiveMaintenanceState(targetSch));
   
    // update the service
    service.setMaintenanceState(MaintenanceState.ON);
    Assert.assertEquals(MaintenanceState.ON, controller.getEffectiveMaintenanceState(targetSch));
   
    // make SCH active
    targetSch.setMaintenanceState(MaintenanceState.OFF);
    Assert.assertEquals(MaintenanceState.IMPLIED_FROM_SERVICE,
      controller.getEffectiveMaintenanceState(targetSch));
   
    // update the service
    service.setMaintenanceState(MaintenanceState.OFF);
    Assert.assertEquals(MaintenanceState.OFF, controller.getEffectiveMaintenanceState(targetSch));
   
    host = hosts.get(host2);
    // update host
    host.setMaintenanceState(cluster.getClusterId(), MaintenanceState.ON);
    Assert.assertEquals(MaintenanceState.IMPLIED_FROM_HOST,
      controller.getEffectiveMaintenanceState(targetSch));
   
    targetSch.setMaintenanceState(MaintenanceState.ON);
    Assert.assertEquals(MaintenanceState.ON, controller.getEffectiveMaintenanceState(targetSch));
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    // HDP-x/HDFS/hdfs-site updated to changed property
    Assert.assertFalse(sch1.convertToResponse().isStaleConfig());
    Assert.assertFalse(sch2.convertToResponse().isStaleConfig());
   
    // make a host override
    final Host host = clusters.getHostsForCluster(cluster.getClusterName()).get(hostName);
    Assert.assertNotNull(host);
   
    final Config c = configFactory.createNew(cluster, "hdfs-site",
        new HashMap<String, String>() {{ put("dfs.journalnode.http-address", "http://goo"); }});
    c.setVersionTag("version3");
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    } catch (AmbariException e) {
      // Expected
    }

    clusters.addHost("h1");
    Host h1 = clusters.getHost("h1");
    h1.setIPv4("ipv41");
    h1.setIPv6("ipv61");
    h1.setOsType("centos6");
    h1.persist();
    clusters.addHost("h2");
    Host h2 = clusters.getHost("h2");
    h2.setIPv4("ipv42");
    h2.setIPv6("ipv62");
    h2.setOsType("centos6");
    h2.persist();
    clusters.addHost("h3");
    Host h3 = clusters.getHost("h3");
    h3.setIPv4("ipv43");
    h3.setIPv6("ipv63");
    h3.setOsType("centos6");
    h3.persist();

    try {
      set1.clear();
      ServiceComponentHostRequest rInvalid =
          new ServiceComponentHostRequest("foo", "HDFS", "NAMENODE", "h1",
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    info.setArchitecture("os_arch");
    info.setOS("os_type");
    info.setMemoryTotal(10);

    clusters.addHost("foo");
    Host host = clusters.getHost("foo");

    host.importHostInfo(info);

    Assert.assertEquals(info.getHostName(), host.getHostName());
    Assert.assertEquals(info.getFreeMemory(), host.getAvailableMemBytes());
    Assert.assertEquals(info.getMemoryTotal(), host.getTotalMemBytes());
    Assert.assertEquals(info.getPhysicalProcessorCount(), host.getCpuCount());
    Assert.assertEquals(info.getMounts().size(), host.getDisksInfo().size());
    Assert.assertEquals(info.getArchitecture(), host.getOsArch());
    Assert.assertEquals(info.getOS(), host.getOsType());
  }
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  }

  @Test
  public void testHostFSMInit() throws AmbariException{
    clusters.addHost("foo");
    Host host = clusters.getHost("foo");
    verifyHostState(host, HostState.INIT);
  }
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  }

  @Test
  public void testHostRegistrationFlow() throws Exception {
    clusters.addHost("foo");
    Host host = clusters.getHost("foo");
    registerHost(host);
    verifyHostState(host, HostState.WAITING_FOR_HOST_STATUS_UPDATES);

    boolean exceptionThrown = false;
    try {
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  }

  @Test
  public void testHostHeartbeatFlow() throws Exception {
    clusters.addHost("foo");
    Host host = clusters.getHost("foo");
    registerHost(host);
    ensureHostUpdatesReceived(host);

    // TODO need to verify audit logs generated
    // TODO need to verify health status updated properly

    long counter = 0;
    sendHealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.HEALTHY);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());

    sendHealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.HEALTHY);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.HEALTHY,
        host.getHealthStatus().getHealthStatus());

    sendUnhealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.UNHEALTHY);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.UNHEALTHY,
        host.getHealthStatus().getHealthStatus());

    sendUnhealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.UNHEALTHY);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.UNHEALTHY,
        host.getHealthStatus().getHealthStatus());

    sendHealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.HEALTHY);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.HEALTHY,
        host.getHealthStatus().getHealthStatus());

    timeoutHost(host);
    verifyHostState(host, HostState.HEARTBEAT_LOST);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.UNKNOWN,
        host.getHealthStatus().getHealthStatus());

    timeoutHost(host);
    verifyHostState(host, HostState.HEARTBEAT_LOST);
    Assert.assertEquals(counter, host.getLastHeartbeatTime());
    Assert.assertEquals(HealthStatus.UNKNOWN,
        host.getHealthStatus().getHealthStatus());

    try {
      sendUnhealthyHeartbeat(host, ++counter);
      fail("Invalid event should have triggered an exception");
    } catch (Exception e) {
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  }

  @Test
  public void testHostRegistrationsInAnyState() throws Exception {
    clusters.addHost("foo");
    Host host = clusters.getHost("foo");
    host.setIPv4("ipv4");
    host.setIPv6("ipv6");

    long counter = 0;

    registerHost(host);

    ensureHostUpdatesReceived(host);
    registerHost(host, false);

    ensureHostUpdatesReceived(host);
    sendHealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.HEALTHY);
    registerHost(host, false);
    ensureHostUpdatesReceived(host);

    sendUnhealthyHeartbeat(host, ++counter);
    verifyHostState(host, HostState.UNHEALTHY);
    registerHost(host, false);
    ensureHostUpdatesReceived(host);

    timeoutHost(host);
    verifyHostState(host, HostState.HEARTBEAT_LOST);
    registerHost(host, false);
    ensureHostUpdatesReceived(host);

    host.setState(HostState.INIT);
    registerHost(host, false);

  }
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Related Classes of org.apache.ambari.server.state.Host

  • 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.controller.AmbariCustomCommandExecutionHelper
  • org.apache.ambari.server.controller.AmbariManagementControllerImpl
  • org.apache.ambari.server.controller.AmbariManagementControllerImplTest
  • org.apache.ambari.server.controller.AmbariManagementControllerTest
  • org.apache.ambari.server.controller.internal.ConfigGroupResourceProvider
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