Package org.apache.ambari.server.state

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

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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.getProcessorCount(), host.getCpuCount());
    Assert.assertEquals(info.getPhysicalProcessorCount(), host.getPhCpuCount());
    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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    clusters.addCluster("c1");
    Cluster c1 = clusters.getCluster("c1");
    Assert.assertEquals("c1", c1.getClusterName());
    Assert.assertEquals(1, c1.getClusterId());
    clusters.addHost("h1");
    Host host = clusters.getHost("h1");
    host.setIPv4("ipv4");
    host.setIPv6("ipv6");
    host.setOsType("centos5");
    host.persist();
    c1.setDesiredStackVersion(new StackId("HDP-0.1"));
    clusters.mapHostToCluster("h1", "c1");
   
    ConfigFactory configFactory = injector.getInstance(ConfigFactory.class);
    Config config = configFactory.createNew(c1, "global",
        new HashMap<String,String>() {{ put("a", "b"); put("x", "y"); }});
   
    try {
      host.addDesiredConfig(c1.getClusterId(), true, "_test", config);
      Assert.fail("Expect failure when version is not specified.");
    }
    catch (Exception e) {
      // testing exception
    }

    try {
      host.addDesiredConfig(c1.getClusterId(), true, null, config);
      Assert.fail("Expect failure when user is not specified.");
    }
    catch (Exception e) {
      // testing exception
    }
   
   
    config.setVersionTag("v1");
    host.addDesiredConfig(c1.getClusterId(), true, "_test", config);
   
    Map<String, DesiredConfig> map = host.getDesiredConfigs(c1.getClusterId());
    Assert.assertTrue("Expect desired config to contain global", map.containsKey("global"));
    Assert.assertEquals("Expect global user to be '_test'", "_test", map.get("global").getUser());
   
    config = configFactory.createNew(c1, "global",
        new HashMap<String,String>() {{ put("c", "d"); }});
    config.setVersionTag("v2");
    host.addDesiredConfig(c1.getClusterId(), true, "_test1", config);
   
    map = host.getDesiredConfigs(c1.getClusterId());
    Assert.assertTrue("Expect desired config to contain global", map.containsKey("global"));
    Assert.assertEquals("Expect version to be 'v2'", "v2", map.get("global").getVersion());
    Assert.assertEquals("Expect user to be '_test1'", "_test1", map.get("global").getUser());
   
    host.addDesiredConfig(c1.getClusterId(), false, "_test2", config);
    map = host.getDesiredConfigs(c1.getClusterId());
    Assert.assertEquals("Expect no mapping configs", 0, map.size());
   
  }
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    clusters.addCluster("c1");
    Cluster c1 = clusters.getCluster("c1");
    Assert.assertEquals("c1", c1.getClusterName());
    Assert.assertEquals(1, c1.getClusterId());
    clusters.addHost("h1");
    Host host = clusters.getHost("h1");
    host.setIPv4("ipv4");
    host.setIPv6("ipv6");
    host.setOsType("centos5");
    host.persist();
    c1.setDesiredStackVersion(new StackId("HDP-0.1"));
    clusters.mapHostToCluster("h1", "c1");

    HostEntity entity = hostDAO.findByName("h1");
    HostStateEntity stateEntity = entity.getHostStateEntity();
    Assert.assertNull(stateEntity.getMaintenanceState());
    Assert.assertEquals(MaintenanceState.OFF, host.getMaintenanceState(c1.getClusterId()));
   
    host.setMaintenanceState(c1.getClusterId(), MaintenanceState.ON);

    entity = hostDAO.findByName("h1");
    stateEntity = entity.getHostStateEntity();
    Assert.assertNotNull(stateEntity.getMaintenanceState());
    Assert.assertEquals(MaintenanceState.ON, host.getMaintenanceState(c1.getClusterId()));
  }
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      clustersById.put(currentCluster.getClusterId(), currentCluster);
      clusterHostMap.put(currentCluster.getClusterName(), Collections.newSetFromMap(new ConcurrentHashMap<Host, Boolean>()));
    }

    for (HostEntity hostEntity : hostDAO.findAll()) {
      Host host = hostFactory.create(hostEntity, true);
      hosts.put(hostEntity.getHostName(), host);
      Set<Cluster> cSet = Collections.newSetFromMap(new ConcurrentHashMap<Cluster, Boolean>());
      hostClusterMap.put(hostEntity.getHostName(), cSet);

      for (ClusterEntity clusterEntity : hostEntity.getClusterEntities()) {
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    try {
      HostEntity hostEntity = new HostEntity();
      hostEntity.setHostName(hostname);
      hostEntity.setClusterEntities(new ArrayList<ClusterEntity>());
      //not stored to DB
      Host host = hostFactory.create(hostEntity, false);
      host.setAgentVersion(new AgentVersion(""));
      List<DiskInfo> emptyDiskList = new ArrayList<DiskInfo>();
      host.setDisksInfo(emptyDiskList);
      host.setHealthStatus(new HostHealthStatus(HealthStatus.UNKNOWN, ""));
      host.setHostAttributes(new HashMap<String, String>());
      host.setState(HostState.INIT);
      hosts.put(hostname, host);
      hostClusterMap.put(hostname, Collections.newSetFromMap(new ConcurrentHashMap<Cluster, Boolean>()));

      if (LOG.isDebugEnabled()) {
        LOG.debug("Adding a host to Clusters"
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          clusterNames.addAll(cSet);
        }
        Map<String, Cluster> clusterMap = getClustersMap(clusterNames);

        for (String hostname : hostClusters.keySet()) {
          Host host = hostMap.get(hostname);
          Map<String, String>  attributes = hostAttributes.get(hostname);
          if (attributes != null && !attributes.isEmpty()){
            host.setHostAttributes(attributes);
          }

          Set<String> hostClusterNames = hostClusters.get(hostname);
          for (String clusterName : hostClusterNames) {
            if (clusterName != null && !clusterName.isEmpty()) {
              Cluster cluster = clusterMap.get(clusterName);

              for (Cluster c : hostClusterMap.get(hostname)) {
                if (c.getClusterName().equals(clusterName)) {
                  throw new DuplicateResourceException("Attempted to create a host which already exists: clusterName=" +
                      clusterName + ", hostName=" + hostname);
                }
              }

              if (!isOsSupportedByClusterStack(cluster, host)) {
                String message = "Trying to map host to cluster where stack does not"
                    + " support host's os type"
                    + ", clusterName=" + clusterName
                    + ", clusterStackId=" + cluster.getDesiredStackVersion().getStackId()
                    + ", hostname=" + hostname
                    + ", hostOsType=" + host.getOsType();
                LOG.warn(message);
                throw new AmbariException(message);
              }

              mapHostClusterEntities(hostname, cluster.getClusterId());
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Related Classes of org.apache.ambari.server.state.Host

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  • 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
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  • org.apache.ambari.server.controller.internal.ConfigGroupResourceProvider
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