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

org.apache.ambari.server.state.ComponentInfo

  }


    @Test
  public void testComponentCommandScriptInheritance() throws Exception {
    // Test command script determination in parent
    ComponentInfo component = metaInfo.getComponent(STACK_NAME_HDP,
            "2.0.7", "HDFS", "HDFS_CLIENT");
    Assert.assertEquals("scripts/hdfs_client.py",
            component.getCommandScript().getScript());
    component = metaInfo.getComponent(STACK_NAME_HDP,
            "2.0.7", "HBASE", "HBASE_MASTER");
    Assert.assertEquals("scripts/hbase_master.py",
            component.getCommandScript().getScript());
    // Test command script inheritance
    component = metaInfo.getComponent(STACK_NAME_HDP,
            "2.0.8", "HBASE", "HBASE_MASTER");
    Assert.assertEquals("scripts/hbase_master.py",
            component.getCommandScript().getScript());
    // Test command script override
    component = metaInfo.getComponent(STACK_NAME_HDP,
            "2.0.8", "HDFS", "HDFS_CLIENT");
    Assert.assertEquals("scripts/hdfs_client_overridden.py",
            component.getCommandScript().getScript());
  }

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  @Test
  public void testChildCustomCommandScriptInheritance() throws Exception {
    // Test custom command script determination in parent
    ComponentInfo component = metaInfo.getComponent(STACK_NAME_HDP, "2.0.7",
            "HDFS", "NAMENODE");


    CustomCommandDefinition ccd = findCustomCommand("DECOMMISSION", component);
    Assert.assertEquals("scripts/namenode_dec.py",
            ccd.getCommandScript().getScript());


    ccd = findCustomCommand("YET_ANOTHER_PARENT_COMMAND", component);
    Assert.assertEquals("scripts/yet_another_parent_command.py",
            ccd.getCommandScript().getScript());


    Assert.assertEquals(2, component.getCustomCommands().size());


    // Test custom command script inheritance
    component = metaInfo.getComponent(STACK_NAME_HDP, "2.0.8",
            "HDFS", "NAMENODE");
    Assert.assertEquals(3, component.getCustomCommands().size());


    ccd = findCustomCommand("YET_ANOTHER_PARENT_COMMAND", component);
    Assert.assertEquals("scripts/yet_another_parent_command.py",
            ccd.getCommandScript().getScript());

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   * @return component component Info
   * @throws AmbariException
   */
  public ComponentInfo getComponentCategory(String stackName, String version,
                                            String serviceName, String componentName) throws AmbariException {
    ComponentInfo component = null;
    List<ComponentInfo> components = getComponentsByService(stackName, version,
        serviceName);
    if (components != null)
      for (ComponentInfo cmp : components) {
        if (cmp.getName().equals(componentName)) {

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      throw new StackAccessException("stackName=" + stackName
          + ", stackVersion=" + version
          + ", stackVersion=" + serviceName
          + ", componentName=" + componentName);


    ComponentInfo componentResult = null;


    for (ComponentInfo component : componentsByService) {
      if (component.getName().equals(componentName))
        componentResult = component;
    }

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    StackId stackId = cluster.getDesiredStackVersion();


    if (componentName == null) {
      return false;
    }
    ComponentInfo componentInfo = ambariMetaInfo.getComponent(
      stackId.getStackName(), stackId.getStackVersion(),
      serviceName, componentName);


    return !(!componentInfo.isCustomCommand(commandName) &&
      !actionMetadata.isDefaultHostComponentCommand(commandName));
  }

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        }
      }


      String commandTimeout = configs.getDefaultAgentTaskTimeout();


      ComponentInfo componentInfo = ambariMetaInfo.getComponent(
          stackId.getStackName(), stackId.getStackVersion(),
          serviceName, componentName);


      if (serviceInfo.getSchemaVersion().equals(AmbariMetaInfo.SCHEMA_VERSION_2)) {
        // Service check command is not custom command
        CommandScriptDefinition script = componentInfo.getCommandScript();


        if (script != null) {
          commandParams.put(SCRIPT, script.getScript());
          commandParams.put(SCRIPT_TYPE, script.getScriptType().toString());
          if (script.getTimeout() > 0) {
            commandTimeout = String.valueOf(script.getTimeout());
          }
        } else {
          String message = String.format("Component %s has not command script " +
              "defined. It is not possible to send command for " +
              "this service", componentName);
          throw new AmbariException(message);
        }
        // We don't need package/repo information to perform service check
      }
      commandParams.put(COMMAND_TIMEOUT, commandTimeout);


      commandParams.put(SERVICE_PACKAGE_FOLDER,
          serviceInfo.getServicePackageFolder());
      commandParams.put(HOOKS_FOLDER, stackInfo.getStackHooksFolder());


      execCmd.setCommandParams(commandParams);


      Map<String, String> roleParams = execCmd.getRoleParams();
      if (roleParams == null) {
        roleParams = new TreeMap<String, String>();
      }
      roleParams.put(COMPONENT_CATEGORY, componentInfo.getCategory());
      execCmd.setRoleParams(roleParams);
      
      // if the target is NAGIOS (for example: restart command), make passive info always available
      if (execCmd.getRole().equals(Role.NAGIOS_SERVER.name())) {
        execCmd.setPassiveInfo(

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    }
  }


  @Test
  public void getComponentCategory() throws AmbariException {
    ComponentInfo componentInfo = metaInfo.getComponentCategory(STACK_NAME_HDP,
        STACK_VERSION_HDP, SERVICE_NAME_HDFS, SERVICE_COMPONENT_NAME);
    assertNotNull(componentInfo);
    componentInfo = metaInfo.getComponentCategory(STACK_NAME_HDP,
        STACK_VERSION_HDP, SERVICE_NAME_HDFS, "DATANODE1");
    Assert.assertNotNull(componentInfo);
    assertTrue(!componentInfo.isClient());
  }

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    Assert.assertFalse(ambariMetaInfo.isSupportedStack(".svn", ""));
  }


  @Test
  public void testGetComponent() throws Exception {
    ComponentInfo component = metaInfo.getComponent(STACK_NAME_HDP,
        STACK_VERSION_HDP, SERVICE_NAME_HDFS, SERVICE_COMPONENT_NAME);
    Assert.assertEquals(component.getName(), SERVICE_COMPONENT_NAME);


    try {
      metaInfo.getComponent(STACK_NAME_HDP,
          STACK_VERSION_HDP, SERVICE_NAME_HDFS, NON_EXT_VALUE);
    } catch (StackAccessException e) {

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  @Test
  public void testFlume134Dependencies() throws Exception {
    ServiceInfo service = metaInfo.getService(STACK_NAME_HDP, "1.3.4", "FLUME");
    List<ComponentInfo> componentList = service.getComponents();
    Assert.assertEquals(1, componentList.size());
    ComponentInfo component = componentList.get(0);
    Assert.assertEquals("FLUME_SERVER", component.getName());
    // dependencies
    List<DependencyInfo> dependencyList = component.getDependencies();
    Assert.assertEquals(0, dependencyList.size());
    // component auto deploy
    Assert.assertNull(component.getAutoDeploy());
    // cardinality
    Assert.assertEquals("1", component.getCardinality());
  }

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  @Test
  public void testHue134Dependencies() throws Exception {
    ServiceInfo service = metaInfo.getService(STACK_NAME_HDP, "1.3.4", "HUE");
    List<ComponentInfo> componentList = service.getComponents();
    Assert.assertEquals(1, componentList.size());
    ComponentInfo component = componentList.get(0);
    Assert.assertEquals("HUE_SERVER", component.getName());
    // dependencies
    Assert.assertEquals(0, component.getDependencies().size());
    // component auto deploy
    Assert.assertNull(component.getAutoDeploy());
    // cardinality
    Assert.assertEquals("1", component.getCardinality());
  }

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