Examples of org.apache.ambari.server.agent.ExecutionCommand

org.apache.ambari.server.agent.ExecutionCommand
Execution commands are scheduled by action manager, and these are persisted in the database for recovery.


    RequestStatusResponse response = controller.createActions(requests,
      requestProperties);


    List<HostRoleCommand> storedTasks = actionDB.getRequestTasks(response.getRequestId());
    ExecutionCommand execCmd = storedTasks.get(0).getExecutionCommandWrapper
      ().getExecutionCommand();
    Assert.assertNotNull(storedTasks);
    Assert.assertNotNull(execCmd.getConfigurationTags().get("hdfs-site"));
    Assert.assertEquals(1, storedTasks.size());
    Assert.assertEquals(host2, execCmd.getConfigurations().get
      ("hdfs-exclude-file").get("datanodes"));
  }

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      int currRoleOrder = -1;
      for (HostRoleCommand command : stage.getOrderedHostRoleCommands()) {
        if(command.getRole() == Role.AMBARI_SERVER_ACTION) {
          Assert.assertTrue(command.toString(), expectedTasks.isTaskExpected(command.getRole()));
          currRoleOrder = expectedTasks.getRoleOrder(command.getRole());
          ExecutionCommand execCommand = command.getExecutionCommandWrapper().getExecutionCommand();
          Assert.assertTrue(
              execCommand.getCommandParams().containsKey(ServerAction.PayloadName.CURRENT_STACK_VERSION));
          Assert.assertTrue(
              execCommand.getCommandParams().containsKey(ServerAction.PayloadName.CLUSTER_NAME));
          Assert.assertEquals(RoleCommand.EXECUTE, execCommand.getRoleCommand());
        } else {
          Assert.assertTrue(command.toString(), expectedTasks.isTaskExpected(command.getRole(), command.getHostName()));
          currRoleOrder = expectedTasks.getRoleOrder(command.getRole());
          ExecutionCommand execCommand = command.getExecutionCommandWrapper().getExecutionCommand();
          Assert.assertTrue(execCommand.getCommandParams().containsKey("source_stack_version"));
          Assert.assertTrue(execCommand.getCommandParams().containsKey("target_stack_version"));
          Assert.assertEquals(RoleCommand.UPGRADE, execCommand.getRoleCommand());
        }
      }


      List<HostRoleCommand> commands = stage.getOrderedHostRoleCommands();
      Assert.assertTrue(commands.size() > 0);

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    stage.addHostRoleExecutionCommand(scHost.getHostName(), Role.valueOf(scHost
        .getServiceComponentName()), command,
        event, scHost.getClusterName(),
        scHost.getServiceName());
    ExecutionCommand execCmd = stage.getExecutionCommandWrapper(scHost.getHostName(),
        scHost.getServiceComponentName()).getExecutionCommand();


    // Generate cluster host info
    execCmd.setClusterHostInfo(
        StageUtils.getClusterHostInfo(
            clusters.getHostsForCluster(cluster.getClusterName()), cluster, hostsMap, injector));


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


    // Hack - Remove passwords from configs
    if (event.getServiceComponentName().equals(Role.HIVE_CLIENT.toString())) {
      Map<String, String> hiveConfigs = configurations.get(Configuration
        .HIVE_CONFIG_TAG);
      if (hiveConfigs != null) {
        hiveConfigs.remove(Configuration.HIVE_METASTORE_PASSWORD_PROPERTY);
      }
    }


    execCmd.setConfigurations(configurations);
    execCmd.setConfigurationTags(configTags);
    execCmd.setCommandParams(commandParams);


    // send stack info to agent
    StackId stackId = scHost.getDesiredStackVersion();
    Map<String, List<RepositoryInfo>> repos = ambariMetaInfo.getRepository(
        stackId.getStackName(), stackId.getStackVersion());
    String repoInfo = "";
    if (!repos.containsKey(host.getOsType())) {
      // FIXME should this be an error?
      LOG.warn("Could not retrieve repo information for host"
          + ", hostname=" + scHost.getHostName()
          + ", clusterName=" + cluster.getClusterName()
          + ", stackInfo=" + stackId.getStackId());
    } else {
      repoInfo = gson.toJson(repos.get(host.getOsType()));
    }


    if (LOG.isDebugEnabled()) {
      LOG.debug("Sending repo information to agent"
          + ", hostname=" + scHost.getHostName()
          + ", clusterName=" + cluster.getClusterName()
          + ", stackInfo=" + stackId.getStackId()
          + ", repoInfo=" + repoInfo);
    }


    Map<String, String> params = new TreeMap<String, String>();
    params.put("repo_info", repoInfo);
    params.put("jdk_location", this.jdkResourceUrl);
    params.put("stack_version", stackId.getStackVersion());
    params.put("db_name", this.serverDB);
    params.put("mysql_jdbc_url" , this.mysqljdbcUrl);
    params.put("oracle_jdbc_url", this.ojdbcUrl);
    if (configs.getServerDBName().equalsIgnoreCase(Configuration
      .ORACLE_DB_NAME)) {
      params.put("db_driver_filename", configs.getOjdbcJarName());
    } else if (configs.getServerDBName().equalsIgnoreCase(Configuration
      .MYSQL_DB_NAME)) {
      params.put("db_driver_filename", configs.getMySQLJarName());
    }
    execCmd.setHostLevelParams(params);


    Map<String, String> roleParams = new TreeMap<String, String>();
    execCmd.setRoleParams(roleParams);


    return;
  }

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    ServiceComponentHostUpgradeEvent event = new ServiceComponentHostUpgradeEvent(
        Role.AMBARI_SERVER_ACTION.toString(), hostName,
        System.currentTimeMillis(), cluster.getDesiredStackVersion().getStackId());
    newStage.addServerActionCommand(ServerAction.Command.FINALIZE_UPGRADE, Role.AMBARI_SERVER_ACTION,
        RoleCommand.EXECUTE, cluster.getClusterName(), event, hostName);
    ExecutionCommand execCmd = newStage.getExecutionCommandWrapper(hostName,
        Role.AMBARI_SERVER_ACTION.toString()).getExecutionCommand();


    execCmd.setCommandParams(payload);
    stages.add(newStage);
  }

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      Map<String, String>>();


    findConfigurationPropertiesWithOverrides(configurations, configTags,
      cluster, actionRequest.getServiceName(), hostName);


    ExecutionCommand execCmd = stage.getExecutionCommandWrapper(hostName,
      actionRequest.getActionName()).getExecutionCommand();


    execCmd.setConfigurations(configurations);


    Map<String, String> params = new TreeMap<String, String>();
    params.put("jdk_location", this.jdkResourceUrl);
    params.put("stack_version", cluster.getDesiredStackVersion().getStackVersion());
    execCmd.setHostLevelParams(params);


    // Generate cluster host info
    execCmd.setClusterHostInfo(
      StageUtils.getClusterHostInfo(clusters.getHostsForCluster(clusterName), cluster, hostsMap, injector));
  }

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        RoleCommand.EXECUTE,
        new ServiceComponentHostOpInProgressEvent(Role.DECOMMISSION_DATANODE
            .toString(), namenodeHost, System.currentTimeMillis()),
        clusterName, serviceName);


    ExecutionCommand execCmd = stage.getExecutionCommandWrapper(namenodeHost,
      Role.DECOMMISSION_DATANODE.toString()).getExecutionCommand();


    execCmd.setConfigurations(configurations);
    execCmd.setConfigurationTags(configTags);


    Map<String, String> params = new TreeMap<String, String>();
    params.put("jdk_location", this.jdkResourceUrl);
    params.put("stack_version", cluster.getDesiredStackVersion()
      .getStackVersion());
    execCmd.setHostLevelParams(params);


  }

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      throw new RuntimeException("Attempt to set stageId again! Not allowed.");
    }
    this.stageId = stageId;
    for (String host: this.commandsToSend.keySet()) {
      for (ExecutionCommandWrapper wrapper : this.commandsToSend.get(host)) {
        ExecutionCommand cmd = wrapper.getExecutionCommand();
        cmd.setCommandId(StageUtils.getActionId(requestId, stageId));
      }
    }
  }

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   * for a given stage.
   */
  public synchronized void addHostRoleExecutionCommand(String host, Role role,  RoleCommand command,
      ServiceComponentHostEvent event, String clusterName, String serviceName) {
    HostRoleCommand hrc = new HostRoleCommand(host, role, event, command);
    ExecutionCommand cmd = new ExecutionCommand();
    ExecutionCommandWrapper wrapper = new ExecutionCommandWrapper(cmd);
    hrc.setExecutionCommandWrapper(wrapper);
    cmd.setHostname(host);
    cmd.setClusterName(clusterName);
    cmd.setServiceName(serviceName);
    cmd.setCommandId(this.getActionId());
    cmd.setRole(role);
    cmd.setRoleCommand(command);
    Map<String, HostRoleCommand> hrcMap = this.hostRoleCommands.get(host);
    if (hrcMap == null) {
      hrcMap = new TreeMap<String, HostRoleCommand>();
      this.hostRoleCommands.put(host, hrcMap);
    }

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  public synchronized void addServerActionCommand(
      String actionName, Role role,  RoleCommand command, String clusterName,
      ServiceComponentHostUpgradeEvent event, String hostName) {
    HostRoleCommand hrc = new HostRoleCommand(hostName, role, event, command);
    ExecutionCommand cmd = new ExecutionCommand();
    ExecutionCommandWrapper wrapper = new ExecutionCommandWrapper(cmd);
    hrc.setExecutionCommandWrapper(wrapper);
    cmd.setHostname(hostName);
    cmd.setClusterName(clusterName);
    cmd.setServiceName("");
    cmd.setCommandId(this.getActionId());
    cmd.setRole(role);
    cmd.setRoleCommand(command);


    Map<String, String> roleParams = new HashMap<String, String>();
    roleParams.put(ServerAction.ACTION_NAME, actionName);
    cmd.setRoleParams(roleParams);
    Map<String, HostRoleCommand> hrcMap = this.hostRoleCommands.get(hostName);
    if (hrcMap == null) {
      hrcMap = new TreeMap<String, HostRoleCommand>();
      this.hostRoleCommands.put(hostName, hrcMap);
    }

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  @Test
  public void testJasonToExecutionCommand() throws JsonGenerationException,
      JsonMappingException, JAXBException, IOException {
    Stage s = StageUtils.getATestStage(1, 2, "host1");
    ExecutionCommand cmd = s.getExecutionCommands("host1").get(0).getExecutionCommand();
    cmd.setConfigurationTags(new HashMap<String, Map<String,String>>() {{
      put("global", new HashMap<String, String>() {{ put("tag", "version1"); }});
    }});
    
    
    String json = StageUtils.jaxbToString(cmd);
    ExecutionCommand cmdDes = StageUtils.stringToExecutionCommand(json);
    assertEquals(cmd.toString(), cmdDes.toString());
    assertEquals(cmd, cmdDes);
  }

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org.apache.ambari.server.actionmanager.ActionScheduler

org.apache.ambari.server.actionmanager.ExecutionCommandWrapperTest

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org.apache.ambari.server.agent.TestHeartbeatHandler

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org.apache.ambari.server.controller.AmbariCustomCommandExecutionHelperImpl

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