Package org.apache.ambari.server.state

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

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        MaintenanceStateHelper psh = injector.getInstance(MaintenanceStateHelper.class);

        List<ServiceComponentHost> scHosts = cluster.getServiceComponentHosts(heartbeat.getHostname());
        for (ServiceComponentHost scHost : scHosts) {
          ComponentInfo componentInfo =
              ambariMetaInfo.getComponent(stackId.getStackName(),
                  stackId.getStackVersion(), scHost.getServiceName(),
                  scHost.getServiceComponentName());

          String status = scHost.getState().name();

          String category = componentInfo.getCategory();

          if (MaintenanceState.OFF == psh.getEffectiveState(scHost, host)) {
            if (category.equals("MASTER")) {
              ++masterCount;
              if (status.equals("STARTED")) {
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      Service s = cluster.getService(request.getServiceName());
      ServiceComponent sc = s.getServiceComponent(
          request.getComponentName());

      StackId stackId = sc.getDesiredStackVersion();
      ComponentInfo compInfo = ambariMetaInfo.getComponentCategory(
          stackId.getStackName(), stackId.getStackVersion(),
          s.getName(), sc.getName());
      boolean isClient = compInfo.isClient();

      ServiceComponentHost sch =
          serviceComponentHostFactory.createNew(sc, request.getHostname());

      if (request.getDesiredState() != null
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      for (String componentName :
        changedComponentCount.get(serviceName).keySet()) {
        ServiceComponent sc = cluster.getService(serviceName)
          .getServiceComponent(componentName);
        StackId stackId = sc.getDesiredStackVersion();
        ComponentInfo compInfo = ambariMetaInfo.getComponentCategory(
          stackId.getStackName(), stackId.getStackVersion(), serviceName,
          componentName);
        if (runSmokeTest && compInfo.isMaster()) {
          smokeTestServices.add(serviceName);
        }

        // FIXME if master check if we need to run a smoke test for the master
      }
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    String hostname = scHost.getHostName();
    String osType = clusters.getHost(hostname).getOsType();
    StackId stackId = cluster.getDesiredStackVersion();
    ServiceInfo serviceInfo = ambariMetaInfo.getServiceInfo(stackId.getStackName(),
      stackId.getStackVersion(), serviceName);
    ComponentInfo componentInfo = ambariMetaInfo.getComponent(
      stackId.getStackName(), stackId.getStackVersion(),
      serviceName, componentName);
    StackInfo stackInfo = ambariMetaInfo.getStackInfo(stackId.getStackName(),
      stackId.getStackVersion());

    ExecutionCommand execCmd = stage.getExecutionCommandWrapper(scHost.getHostName(),
      scHost.getServiceComponentName()).getExecutionCommand();

    Host host = clusters.getHost(scHost.getHostName());

    // Hack - Remove passwords from configs
    if (event.getServiceComponentName().equals(Role.HIVE_CLIENT.toString())) {
      configHelper.applyCustomConfig(configurations, Configuration.HIVE_CONFIG_TAG,
        Configuration.HIVE_METASTORE_PASSWORD_PROPERTY, "", true);
    }

    String jobtrackerHost = getJobTrackerHost(cluster);
    if (!scHost.getHostName().equals(jobtrackerHost)) {
      if (configTags.get(Configuration.GLOBAL_CONFIG_TAG) != null) {
        configHelper.applyCustomConfig(
          configurations, Configuration.GLOBAL_CONFIG_TAG,
          Configuration.RCA_ENABLED_PROPERTY, "false", false);
      }
    }

    execCmd.setConfigurations(configurations);
    execCmd.setConfigurationTags(configTags);
    if (commandParams == null) { // if not defined
      commandParams = new TreeMap<String, String>();
    }
    commandParams.put(SCHEMA_VERSION, serviceInfo.getSchemaVersion());


    // Get command script info for custom command/custom action
    /*
     * TODO: Custom actions are not supported yet, that's why we just pass
     * component main commandScript to agent. This script is only used for
     * default commads like INSTALL/STOP/START/CONFIGURE
     */
    String commandTimeout = configs.getDefaultAgentTaskTimeout();
    CommandScriptDefinition script = componentInfo.getCommandScript();
    if (serviceInfo.getSchemaVersion().equals(AmbariMetaInfo.SCHEMA_VERSION_2)) {
      if (script != null) {
        commandParams.put(SCRIPT, script.getScript());
        commandParams.put(SCRIPT_TYPE, script.getScriptType().toString());
        if (script.getTimeout() > 0) {
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                      + ", newDesiredState=" + newState);
                }
                break;
              case STARTED:
                StackId stackId = scHost.getDesiredStackVersion();
                ComponentInfo compInfo = ambariMetaInfo.getComponentCategory(
                    stackId.getStackName(), stackId.getStackVersion(), scHost.getServiceName(),
                    scHost.getServiceComponentName());


                if (oldSchState == State.INSTALLED ||
                    oldSchState == State.STARTING ||
                    requestStages.getProjectedState(scHost.getHostName(),
                        scHost.getServiceComponentName()) == State.INSTALLED) {
                  roleCommand = RoleCommand.START;
                  event = new ServiceComponentHostStartEvent(
                      scHost.getServiceComponentName(), scHost.getHostName(),
                      nowTimestamp);
                } else {
                  String error = "Invalid transition for"
                      + " servicecomponenthost"
                      + ", clusterName=" + cluster.getClusterName()
                      + ", clusterId=" + cluster.getClusterId()
                      + ", serviceName=" + scHost.getServiceName()
                      + ", componentName=" + scHost.getServiceComponentName()
                      + ", hostname=" + scHost.getHostName()
                      + ", currentState=" + oldSchState
                      + ", newDesiredState=" + newState;
                  if (compInfo.isMaster()) {
                    throw new AmbariException(error);
                  } else {
                    LOG.info("Ignoring: " + error);
                    continue;
                  }
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  }

  private String getClientHostForRunningAction(Cluster cluster,
      Service service) throws AmbariException {
    StackId stackId = service.getDesiredStackVersion();
    ComponentInfo compInfo =
        ambariMetaInfo.getServiceInfo(stackId.getStackName(),
            stackId.getStackVersion(), service.getName()).getClientComponent();
    if (compInfo != null) {
      try {
        ServiceComponent serviceComponent =
            service.getServiceComponent(compInfo.getName());
        if (!serviceComponent.getServiceComponentHosts().isEmpty()) {
          return getHealthyHost(serviceComponent.getServiceComponentHosts().keySet());
        }
      } catch (ServiceComponentNotFoundException e) {
        LOG.warn("Could not find required component to run action"
            + ", clusterName=" + cluster.getClusterName()
            + ", serviceName=" + service.getName()
            + ", componentName=" + compInfo.getName());


      }
    }
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    String stackVersion  = request.getStackVersion();
    String serviceName   = request.getServiceName();
    String componentName = request.getComponentName();

    if (componentName != null) {
      ComponentInfo component = this.ambariMetaInfo.getComponent(stackName, stackVersion, serviceName, componentName);
      response = Collections.singleton(component.convertToResponse());

    } else {
      List<ComponentInfo> components = this.ambariMetaInfo.getComponentsByService(stackName, stackVersion, serviceName);
      response = new HashSet<StackServiceComponentResponse>();

      for (ComponentInfo component: components) {
        response.add(component.convertToResponse());
      }
    }
    return response;
  }
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  @Test
  public void testPig134Dependencies() throws Exception {
    ServiceInfo service = metaInfo.getService(STACK_NAME_HDP, "1.3.4", "PIG");
    List<ComponentInfo> componentList = service.getComponents();
    Assert.assertEquals(1, componentList.size());
    ComponentInfo component = componentList.get(0);
    Assert.assertEquals("PIG", component.getName());
    // dependencies
    Assert.assertEquals(0, component.getDependencies().size());
    // component auto deploy
    Assert.assertNull(component.getAutoDeploy());
    // cardinality
    Assert.assertEquals("0+", component.getCardinality());
  }
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  @Test
  public void testSqoop134Dependencies() throws Exception {
    ServiceInfo service = metaInfo.getService(STACK_NAME_HDP, "1.3.4", "SQOOP");
    List<ComponentInfo> componentList = service.getComponents();
    Assert.assertEquals(1, componentList.size());
    ComponentInfo component = componentList.get(0);
    Assert.assertEquals("SQOOP", component.getName());
    // dependencies
    List<DependencyInfo> dependencyList = component.getDependencies();
    Assert.assertEquals(2, dependencyList.size());
    for (DependencyInfo dependency : dependencyList) {
      if (dependency.getName().equals("HDFS/HDFS_CLIENT")) {
        Assert.assertEquals("host", dependency.getScope());
        Assert.assertEquals(true, dependency.getAutoDeploy().isEnabled());
      } else if (dependency.getName().equals("MAPREDUCE/MAPREDUCE_CLIENT")) {
        Assert.assertEquals("host", dependency.getScope());
        Assert.assertEquals(true, dependency.getAutoDeploy().isEnabled());
      } else {
        Assert.fail("Unexpected dependency");
      }
    }
    // component auto deploy
    Assert.assertNull(component.getAutoDeploy());
    // cardinality
    Assert.assertEquals("0+", component.getCardinality());
  }
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  @Test
  public void testWebHCat134Dependencies() throws Exception {
    ServiceInfo service = metaInfo.getService(STACK_NAME_HDP, "1.3.4", "WEBHCAT");
    List<ComponentInfo> componentList = service.getComponents();
    Assert.assertEquals(1, componentList.size());
    ComponentInfo component = componentList.get(0);
    Assert.assertEquals("WEBHCAT_SERVER", component.getName());
    // dependencies
    List<DependencyInfo> dependencyList = component.getDependencies();
    Assert.assertEquals(4, dependencyList.size());
    for (DependencyInfo dependency : dependencyList) {
      if (dependency.getName().equals("HDFS/HDFS_CLIENT")) {
        Assert.assertEquals("host", dependency.getScope());
        Assert.assertEquals(true, dependency.getAutoDeploy().isEnabled());
      } else if (dependency.getName().equals("MAPREDUCE/MAPREDUCE_CLIENT")) {
        Assert.assertEquals("host", dependency.getScope());
        Assert.assertEquals(true, dependency.getAutoDeploy().isEnabled());
      } else if (dependency.getName().equals("ZOOKEEPER/ZOOKEEPER_SERVER")) {
        Assert.assertEquals("cluster", dependency.getScope());
        AutoDeployInfo autoDeploy = dependency.getAutoDeploy();
        Assert.assertEquals(true, autoDeploy.isEnabled());
        Assert.assertEquals("WEBHCAT/WEBHCAT_SERVER", autoDeploy.getCoLocate());
      }else if (dependency.getName().equals("ZOOKEEPER/ZOOKEEPER_CLIENT")) {
        Assert.assertEquals("host", dependency.getScope());
        Assert.assertEquals(true, dependency.getAutoDeploy().isEnabled());
      }else {
        Assert.fail("Unexpected dependency");
      }
    }
    // component auto deploy
    Assert.assertNull(component.getAutoDeploy());
    // cardinality
    Assert.assertEquals("1", component.getCardinality());
  }
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Related Classes of org.apache.ambari.server.state.ComponentInfo

  • org.apache.ambari.server.agent.HeartBeatHandler
  • org.apache.ambari.server.api.services.AmbariMetaInfo
  • org.apache.ambari.server.api.services.AmbariMetaInfoTest
  • org.apache.ambari.server.controller.AmbariActionExecutionHelper
  • org.apache.ambari.server.controller.AmbariCustomCommandExecutionHelper
  • org.apache.ambari.server.controller.AmbariManagementControllerImpl
  • org.apache.ambari.server.controller.internal.BlueprintResourceProviderTest
  • org.apache.ambari.server.controller.internal.ComponentResourceProvider
  • org.apache.ambari.server.controller.internal.ComponentResourceProviderTest
  • org.apache.ambari.server.controller.internal.HostResourceProvider
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