Package org.apache.ambari.server.state

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

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    r.lock();
    try {
      if (!clusters.containsKey(clusterName)) {
        throw new ClusterNotFoundException(clusterName);
      }
      Cluster cluster = clusters.get(clusterName);
      cluster.setCurrentStackVersion(stackId);
    } finally {
      r.unlock();
    }
  }
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  @Test
  public void testProcessStatusReports() throws Exception {
    ActionManager am = getMockActionManager();
    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>();
    dataNodeStatus = new ComponentStatus();
    dataNodeStatus.setClusterName(cluster.getClusterName());
    dataNodeStatus.setServiceName(HDFS);
    dataNodeStatus.setComponentName(DATANODE);
    dataNodeStatus.setStatus("STARTED");
    componentStatus.add(dataNodeStatus);
    hb4.setComponentStatus(componentStatus);
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          }

          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());

              hostClusterMap.get(hostname).add(cluster);
              clusterHostMap.get(clusterName).add(host);

              if (LOG.isDebugEnabled()) {
                LOG.debug("Mapping a host to a cluster"
                    + ", clusterName=" + clusterName
                    + ", clusterId=" + cluster.getClusterId()
                    + ", hostname=" + hostname);
              }
            }
          }
        }
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    checkLoaded();
    w.lock();

    try {
      Host host = getHost(hostname);
      Cluster cluster = getCluster(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());

      hostClusterMap.get(hostname).add(cluster);
      clusterHostMap.get(clusterName).add(host);

      if (LOG.isDebugEnabled()) {
        LOG.debug("Mapping a host to a cluster"
            + ", clusterName=" + clusterName
            + ", clusterId=" + cluster.getClusterId()
            + ", hostname=" + hostname);
      }
    } finally {
      w.unlock();
    }
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  public void deleteCluster(String clusterName)
      throws AmbariException {
    checkLoaded();
    w.lock();
    try {
      Cluster cluster = getCluster(clusterName);
      if (!cluster.canBeRemoved()) {
        throw new AmbariException("Could not delete cluster"
            + ", clusterName=" + clusterName);
      }
      LOG.info("Deleting cluster " + cluster.getClusterName());
      cluster.delete();

      //clear maps
      for (Set<Cluster> clusterSet : hostClusterMap.values()) {
        clusterSet.remove(cluster);
      }
      clusterHostMap.remove(cluster.getClusterName());
      clusters.remove(clusterName);
    } finally {
      w.unlock();
    }
  }
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    clusters.addHost(DummyHostname1);
    clusters.getHost(DummyHostname1).setOsType(DummyOsType);
    clusters.getHost(DummyHostname1).persist();
    clusters.addCluster(DummyCluster);

    Cluster cluster = clusters.getCluster(DummyCluster);
    cluster.setDesiredStackVersion(new StackId(DummyStackId));
    return cluster;
  }
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    w.lock();

    try {
      Host host = getHost(hostname);
      Cluster cluster = getCluster(clusterName);

      if (LOG.isDebugEnabled()) {
        LOG.debug("Unmapping a host from a cluster"
            + ", clusterName=" + clusterName
            + ", clusterId=" + cluster.getClusterId()
            + ", hostname=" + hostname);
      }
     
      unmapHostClusterEntities(hostname, cluster.getClusterId());

      hostClusterMap.get(hostname).remove(cluster);
      clusterHostMap.get(clusterName).remove(host);

      deleteConfigGroupHostMapping(hostname);
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    if (foundInvalidHosts) {
      throw new HostNotFoundException(invalidHostsStr.toString());
    }

    clusters.addCluster(request.getClusterName());
    Cluster c = clusters.getCluster(request.getClusterName());
    if (request.getStackVersion() != null) {
      StackId newStackId = new StackId(request.getStackVersion());
      c.setDesiredStackVersion(newStackId);
      clusters.setCurrentStackVersion(request.getClusterName(), newStackId);
    }

    if (request.getHostNames() != null) {
      clusters.mapHostsToCluster(request.getHostNames(),
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        new HashMap<String, Map<String, Map<String, Set<String>>>>();
    Set<String> duplicates = new HashSet<String>();
    for (ServiceComponentHostRequest request : requests) {
      validateServiceComponentHostRequest(request);

      Cluster cluster;
      try {
        cluster = clusters.getCluster(request.getClusterName());
      } catch (ClusterNotFoundException e) {
        throw new ParentObjectNotFoundException(
            "Attempted to add a host_component to a cluster which doesn't exist: ", e);
      }

      if (StringUtils.isEmpty(request.getServiceName())) {
        request.setServiceName(findServiceName(cluster, request.getComponentName()));
      }

      if (LOG.isDebugEnabled()) {
        LOG.debug("Received a createHostComponent request"
            + ", clusterName=" + request.getClusterName()
            + ", serviceName=" + request.getServiceName()
            + ", componentName=" + request.getComponentName()
            + ", hostname=" + request.getHostname()
            + ", request=" + request);
      }

      if (!hostComponentNames.containsKey(request.getClusterName())) {
        hostComponentNames.put(request.getClusterName(),
            new HashMap<String, Map<String,Set<String>>>());
      }
      if (!hostComponentNames.get(request.getClusterName())
          .containsKey(request.getServiceName())) {
        hostComponentNames.get(request.getClusterName()).put(
            request.getServiceName(), new HashMap<String, Set<String>>());
      }
      if (!hostComponentNames.get(request.getClusterName())
          .get(request.getServiceName())
          .containsKey(request.getComponentName())) {
        hostComponentNames.get(request.getClusterName())
            .get(request.getServiceName()).put(request.getComponentName(),
                new HashSet<String>());
      }
      if (hostComponentNames.get(request.getClusterName())
          .get(request.getServiceName()).get(request.getComponentName())
          .contains(request.getHostname())) {
        duplicates.add("[clusterName=" + request.getClusterName() + ", hostName=" + request.getHostname() +
            ", componentName=" +request.getComponentName() +']');
        continue;
      }
      hostComponentNames.get(request.getClusterName())
          .get(request.getServiceName()).get(request.getComponentName())
          .add(request.getHostname());

      if (request.getDesiredState() != null
          && !request.getDesiredState().isEmpty()) {
        State state = State.valueOf(request.getDesiredState());
        if (!state.isValidDesiredState()
            || state != State.INIT) {
          throw new IllegalArgumentException("Invalid desired state"
              + " 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() + "]");
      }
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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(
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Related Classes of org.apache.ambari.server.state.Cluster

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  • org.apache.ambari.server.actionmanager.ExecutionCommandWrapper
  • org.apache.ambari.server.actionmanager.ExecutionCommandWrapperTest
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