Code coverage report for app/controllers/main/service/item.js

Statements: 41.2% (241 / 585)      Branches: 44.02% (151 / 343)      Functions: 35.2% (69 / 196)      Lines: 41% (237 / 578)      Ignored: none     

All files » app/controllers/main/service/ » item.js
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'use strict';
 
;require.register("controllers/main/service/item", function (exports, require, module) {
  /**
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
 
  var App = require('app');
  var batchUtils = require('utils/batch_scheduled_requests');
  var blueprintUtils = require('utils/blueprint');
  var stringUtils = require('utils/string_utils');
 
  App.MainServiceItemController = Em.Controller.extend(App.SupportClientConfigsDownload, App.InstallComponent, App.ConfigsSaverMixin, App.EnhancedConfigsMixin, App.GroupsMappingMixin, {
    name: 'mainServiceItemController',
 
    /**
     * Callback functions for start and stop service have few differences
     *
     * Used with currentCallBack property
     */
    callBackConfig: {
      'STARTED': {
        'c': 'STARTING',
        'f': 'starting',
        'c2': 'live',
        'hs': 'started',
        's': 'start'
      },
      'INSTALLED': {
        'c': 'STOPPING',
        'f': 'stopping',
        'c2': 'dead',
        'hs': 'stopped',
        's': 'stop'
      }
    },
 
    /**
     * Map of service names and lists of sites they need to load
     */
    serviceConfigsMap: {
      'OOZIE': ['oozie-env']
    },
 
    /**
     * Configs loaded to use for service actions menu
     *
     * format: {config-type: {property-name1: property-value1, property-name2: property-value2, ...}}
     */
    configs: {},
 
    /**
     * @type {boolean}
     * @default true
     */
    isPending: true,
 
    /**
     * @type {boolean}
     * @default false
     */
    isServicesInfoLoaded: false,
 
    /**
     * Define whether configs for service actions menu were loaded
     * @type {Boolean}
     */
    isServiceConfigsLoaded: false,
 
    /**
     * flag to control router switch between service summary and configs
     * @type {boolean}
     */
    routeToConfigs: false,
 
    deleteServiceProgressPopup: null,
 
    isRecommendationInProgress: false,
 
    nameNodesWithOldCheckpoints: [],
 
    isNameNodeCheckpointUnavailable: false,
 
    isClientsOnlyService: function () {
      return App.get('services.clientOnly').contains(this.get('content.serviceName'));
    }.property('content.serviceName'),
 
    isConfigurable: function () {
      return !App.get('services.noConfigTypes').contains(this.get('content.serviceName'));
    }.property('App.services.noConfigTypes', 'content.serviceName'),
 
    clientComponents: function () {
      var clientNames = [{
        action: 'downloadAllClientConfigs',
        context: {
          label: Em.I18n.t('common.all.clients')
        }
      }];
      var clients = App.StackServiceComponent.find().filterProperty('serviceName', this.get('content.serviceName')).filterProperty('isClient');
      clients.forEach(function (item) {
        clientNames.push({
          action: 'downloadClientConfigs',
          context: {
            name: item.get('componentName'),
            label: item.get('displayName')
          }
        });
      });
      return clientNames;
    }.property('content.serviceName'),
 
    /**
     * Returns interdependent services
     *
     * @returns {string[]}
     */
    interDependentServices: function () {
      var serviceName = this.get('content.serviceName'),
          interDependentServices = [];
      App.StackService.find(serviceName).get('requiredServices').forEach(function (requiredService) {
        if (App.StackService.find(requiredService).get('requiredServices').contains(serviceName)) {
          interDependentServices.push(requiredService);
        }
      });
      return interDependentServices;
    }.property('content.serviceName'),
 
    /**
     * collection of serviceConfigs
     *
     * @type {Object[]}
     */
    stepConfigs: [],
 
    /**
     * List of service names that have configs dependent on current service configs
     *
     * @type {String[]}
     */
    dependentServiceNames: function () {
      return App.get('router.clusterController.isConfigsPropertiesLoaded') ? App.StackService.find(this.get('content.serviceName')).get('dependentServiceNames') : [];
    }.property('content.serviceName', 'App.router.clusterController.isConfigsPropertiesLoaded'),
 
    configDependentServiceNames: function () {
      return this.get('dependentServiceNames').concat(App.StackService.find(this.get('content.serviceName')).get('requiredServices'));
    }.property('dependentServiceNames'),
 
    /**
     * List of service names that could be deleted
     * Common case when there is only current service should be removed
     * But for some services there is <code>interDependentServices<code> services
     * Like 'YARN' depends on 'MAPREDUCE2' and 'MAPREDUCE2' depends on 'YARN'
     * So these services can be removed only together
     *
     * @type {String[]}
     */
    serviceNamesToDelete: function () {
      return [this.get('content.serviceName')].concat(this.get('interDependentServices'));
    }.property('content.serviceName'),
 
    /**
     * List of config types that should be loaded
     * Includes
     * 1. Dependent services config-types
     * 2. Some special cases from <code>serviceConfigsMap<code>
     * 3. 'cluster-env'
     *
     * @type {String[]}
     */
    sitesToLoad: function () {
      var services = this.get('configDependentServiceNames'),
          configTypeList = [];
      if (services.length) {
        configTypeList = App.StackService.find().filter(function (s) {
          return services.contains(s.get('serviceName'));
        }).mapProperty('configTypeList').reduce(function (p, v) {
          return p.concat(v);
        });
      }
      if (this.get('serviceConfigsMap')[this.get('content.serviceName')]) {
        configTypeList = configTypeList.concat(this.get('serviceConfigsMap')[this.get('content.serviceName')]);
      }
      configTypeList.push('cluster-env');
      return configTypeList.uniq();
    }.property('content.serviceName'),
 
    /**
     * Load configurations for implicit usage for service actions
     * not related to configs displayed on Configs page
     */
    loadConfigs: function loadConfigs() {
      var _this = this;
 
      this.set('isServiceConfigsLoaded', false);
      this.set('stepConfigs', []);
      App.get('router.mainController.isLoading').call(App.get('router.clusterController'), 'isConfigsPropertiesLoaded').done(function () {
        App.router.get('configurationController').getCurrentConfigsBySites(_this.get('sitesToLoad')).done(function (configs) {
          var allConfigs = [];
          configs.forEach(function (site) {
            _this.get('configs')[site.type] = site.properties;
            allConfigs = allConfigs.concat(App.config.getConfigsFromJSON(site, true));
          });
 
          _this.get('configDependentServiceNames').forEach(function (serviceName) {
            var configTypes = App.StackService.find(serviceName).get('configTypeList');
            var configsByService = allConfigs.filter(function (c) {
              return configTypes.contains(App.config.getConfigTagFromFileName(c.get('filename')));
            });
            if (App.config.get('preDefinedServiceConfigs').someProperty('serviceName', serviceName)) {
              _this.get('stepConfigs').pushObject(App.config.createServiceConfig(serviceName, [], configsByService));
            }
          });
 
          _this.set('isServiceConfigsLoaded', true);
        });
      });
    },
 
    /**
     * Common method for ajax (start/stop service) responses
     * @param data
     * @param ajaxOptions
     * @param params
     */
    startStopPopupSuccessCallback: function startStopPopupSuccessCallback(data, ajaxOptions, params) {
      var _this2 = this;
 
      if (data && data.Requests) {
        params.query.set('status', 'SUCCESS');
        if (App.get('testMode')) {
          var requestData = JSON.parse(ajaxOptions.data),
              state = requestData.Body.ServiceInfo.state || requestData.Body.HostRoles.state,
              config = this.get('callBackConfig')[state];
          this.set('content.workStatus', App.Service.Health[config.f]);
          this.get('content.hostComponents').setEach('workStatus', App.HostComponentStatus[config.f]);
          setTimeout(function () {
            _this2.set('content.workStatus', App.Service.Health[config.c2]);
            _this2.get('content.hostComponents').setEach('workStatus', App.HostComponentStatus[config.hs]);
          }, App.get('testModeDelayForActions'));
        }
        // load data (if we need to show this background operations popup) from persist
        App.router.get('userSettingsController').dataLoading('show_bg').done(function (initValue) {
          if (initValue) {
            App.router.get('backgroundOperationsController').showPopup();
          }
        });
      } else {
        params.query.set('status', 'FAIL');
      }
    },
    startStopPopupErrorCallback: function startStopPopupErrorCallback(request, ajaxOptions, error, opt, params) {
      App.ajax.defaultErrorHandler(request, opt.url, opt.type, request.status);
      params.query.set('status', 'FAIL');
    },
    /**
     * Confirmation popup for start/stop services
     * @param serviceHealth - 'STARTED' or 'INSTALLED'
     */
    startStopPopup: function startStopPopup(serviceHealth) {
      var _this3 = this;
 
      var serviceDisplayName = this.get('content.displayName'),
          isMaintenanceOFF = this.get('content.passiveState') === 'OFF';
 
      var msg = isMaintenanceOFF && serviceHealth === 'INSTALLED' ? Em.I18n.t('services.service.stop.warningMsg.turnOnMM').format(serviceDisplayName) : null;
      msg = this.addAdditionalWarningMessage(serviceHealth, msg, serviceDisplayName);
 
      var bodyMessage = Em.Object.create({
        putInMaintenance: serviceHealth === 'INSTALLED' && isMaintenanceOFF || serviceHealth === 'STARTED' && !isMaintenanceOFF,
        turnOnMmMsg: serviceHealth === 'INSTALLED' ? Em.I18n.t('passiveState.turnOnFor').format(serviceDisplayName) : Em.I18n.t('passiveState.turnOffFor').format(serviceDisplayName),
        confirmMsg: serviceHealth === 'INSTALLED' ? Em.I18n.t('services.service.stop.confirmMsg').format(serviceDisplayName) : Em.I18n.t('services.service.start.confirmMsg').format(serviceDisplayName),
        confirmButton: serviceHealth === 'INSTALLED' ? Em.I18n.t('services.service.stop.confirmButton') : Em.I18n.t('services.service.start.confirmButton'),
        additionalWarningMsg: msg
      });
 
      // check HDFS NameNode checkpoint before stop service
      if (serviceHealth === 'INSTALLED' && this.hasStartedNameNode()) {
        this.checkNnLastCheckpointTime(function () {
          return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
            _this3.set('isPending', true);
            _this3.startStopWithMmode(serviceHealth, query, runMmOperation);
          }, bodyMessage);
        });
      } else {
        return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
          _this3.set('isPending', true);
          _this3.startStopWithMmode(serviceHealth, query, runMmOperation);
        }, bodyMessage);
      }
    },
 
    /**
     * Confirmation popup for start/stop services
     * @param context
     * @param serviceHealth - 'STARTED' or 'INSTALLED'
     */
    startStopCertainPopup: function startStopCertainPopup(context, serviceHealth) {
      var _this4 = this;
 
      var components = context.components,
          hosts = context.hosts,
          label = context.label,
          serviceDisplayName = this.get('content.displayName'),
          isMaintenanceOFF = this.get('content.passiveState') === 'OFF',
          confirmDisplayName = Em.I18n.t('services.service.componentsInNameSpace').format(label);
 
      var msg = isMaintenanceOFF && serviceHealth == 'INSTALLED' ? Em.I18n.t('services.service.stopCertain.warningMsg.turnOnMM').format(serviceDisplayName) : null;
      msg = this.addAdditionalWarningMessage(serviceHealth, msg, serviceDisplayName);
      var bodyMessage = Em.Object.create({
        putInMaintenance: serviceHealth === 'INSTALLED' && isMaintenanceOFF || serviceHealth === 'STARTED' && !isMaintenanceOFF,
        turnOnMmMsg: serviceHealth === 'INSTALLED' ? Em.I18n.t('passiveState.turnOnFor').format(serviceDisplayName) : Em.I18n.t('passiveState.turnOffFor').format(serviceDisplayName),
        confirmMsg: serviceHealth === 'INSTALLED' ? Em.I18n.t('services.service.stop.confirmMsg').format(confirmDisplayName) : Em.I18n.t('services.service.start.confirmMsg').format(confirmDisplayName),
        confirmButton: serviceHealth === 'INSTALLED' ? Em.I18n.t('services.service.stop.confirmButton') : Em.I18n.t('services.service.start.confirmButton'),
        additionalWarningMsg: msg
      });
      // check HDFS NameNode checkpoint before stop components
      if (serviceHealth === 'INSTALLED' && this.hasStartedNameNode(label)) {
        this.checkNnLastCheckpointTime(function () {
          return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
            _this4.set('isPending', true);
            _this4.startStopWithMmode(serviceHealth, query, runMmOperation, components, hosts, label);
          }, bodyMessage);
        }, label);
      } else {
        return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
          _this4.set('isPending', true);
          _this4.startStopWithMmode(serviceHealth, query, runMmOperation, components, hosts, label);
        }, bodyMessage);
      }
    },
 
    /**
     * this function will be called from :1) stop HDFS 2) restart all for HDFS 3) restart all affected for HDFS
     * @param callback - callback function to continue next operation
     * @param [groupName] - id of HA namespace for enabled NameNode federation
     */
    checkNnLastCheckpointTime: function checkNnLastCheckpointTime(callback, groupName) {
      var _this5 = this;
 
      this.pullNnCheckPointTime(groupName).complete(function () {
        var nameNodesWithOldCheckpoints = _this5.get('nameNodesWithOldCheckpoints').slice(),
            isNameNodeCheckpointUnavailable = _this5.get('isNameNodeCheckpointUnavailable');
        _this5.get('nameNodesWithOldCheckpoints').clear();
        _this5.set('isNameNodeCheckpointUnavailable', false);
        if (nameNodesWithOldCheckpoints.length) {
          // too old
          _this5.getHdfsUser().done(function () {
            var maxAge = App.nnCheckpointAgeAlertThreshold,
                hdfsUser = _this5.get('hdfsUser'),
                confirmButton = Em.I18n.t('common.next');
            var msg = void 0;
            if (App.get('hasNameNodeFederation') && !groupName) {
              var oldCheckpointNameSpacesList = nameNodesWithOldCheckpoints.map(function (nn) {
                return '<li>' + nn.haNameSpace + '</li>';
              }),
                  nameSpacesString = '<ul>' + oldCheckpointNameSpacesList.join('') + '</ul>',
                  hostNamesList = nameNodesWithOldCheckpoints.map(function (nn) {
                return '<b>' + nn.hostName + '</b>';
              }).join(', ');
              msg = Em.Object.create({
                confirmMsg: Em.I18n.t('services.service.stop.HDFS.warningMsg.nameSpaces.checkPointTooOld').format(maxAge) + nameSpacesString + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.makeSure') + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.instructions.multipleHosts.login').format(hostNamesList) + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.instructions').format(hdfsUser),
                confirmButton: confirmButton
              });
            } else {
              var hostName = nameNodesWithOldCheckpoints[0].hostName;
              msg = Em.Object.create({
                confirmMsg: Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld').format(maxAge) + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.makeSure') + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.instructions.singleHost.login').format(hostName) + Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointTooOld.instructions').format(hdfsUser),
                confirmButton: confirmButton
              });
            }
            return App.showConfirmationFeedBackPopup(callback, msg);
          });
        } else if (isNameNodeCheckpointUnavailable) {
          // not available
          return App.showConfirmationPopup(callback, Em.I18n.t('services.service.stop.HDFS.warningMsg.checkPointNA'), null, Em.I18n.t('common.warning'), Em.I18n.t('common.proceedAnyway'), 'danger');
        } else {
          // still young
          callback();
        }
      });
    },
 
    pullNnCheckPointTime: function pullNnCheckPointTime(haNameSpace) {
      var clusterIdValue = void 0;
      if (haNameSpace) {
        var hostComponents = App.HDFSService.find().objectAt(0).get('hostComponents'),
            correspondingComponent = hostComponents && hostComponents.findProperty('haNameSpace', haNameSpace);
        clusterIdValue = correspondingComponent && correspondingComponent.get('clusterIdValue');
      }
      return App.ajax.send({
        name: 'common.service.hdfs.getNnCheckPointTime',
        sender: this,
        data: {
          clusterIdValue: clusterIdValue
        },
        success: 'parseNnCheckPointTime'
      });
    },
 
    parseNnCheckPointTime: function parseNnCheckPointTime(data, opt, params) {
      var nameNodesStatus = {},
          nameNodesWithCheckpoints = [],
          hostComponents = params.clusterIdValue ? data.host_components.filterProperty('metrics.dfs.namenode.ClusterId', params.clusterIdValue) : data.host_components;
      if (hostComponents.length <= 1) {
        nameNodesWithCheckpoints.push({
          lastCheckpointTime: Em.get(hostComponents[0], 'metrics.dfs.FSNamesystem.LastCheckpointTime'),
          hostName: Em.get(hostComponents[0], 'HostRoles.host_name')
        });
      } else {
        // HA or federation enabled
        var nameNodeComponents = App.HDFSService.find().objectAt(0).get('hostComponents').filterProperty('componentName', 'NAMENODE'),
            _hostComponents = data.host_components;
        _hostComponents.forEach(function (namenode) {
          var clusterIdValue = Em.get(namenode, 'metrics.dfs.namenode.ClusterId'),
              existingArray = nameNodesStatus[clusterIdValue],
              currentArray = existingArray || [],
              correspondingComponent = nameNodeComponents.findProperty('clusterIdValue', clusterIdValue);
          if (!existingArray) {
            nameNodesStatus[clusterIdValue] = currentArray;
          }
          currentArray.pushObject(Em.Object.create({
            LastCheckpointTime: Em.get(namenode, 'metrics.dfs.FSNamesystem.LastCheckpointTime'),
            HAState: Em.get(namenode, 'metrics.dfs.FSNamesystem.HAState'),
            hostName: Em.get(namenode, 'HostRoles.host_name'),
            haNameSpace: correspondingComponent && correspondingComponent.get('haNameSpace')
          }));
        });
        Object.keys(nameNodesStatus).forEach(function (key) {
          var nameSpace = nameNodesStatus[key],
              activeNameNode = nameSpace.findProperty('HAState', 'active'),
              standbyNameNode = nameSpace.findProperty('HAState', 'standby');
          if (activeNameNode) {
            var lastActiveNameNodeCheckpointTime = activeNameNode.get('LastCheckpointTime'),
                nameNodeWithCheckpoint = nameSpace.findProperty('LastCheckpointTime');
            if (lastActiveNameNodeCheckpointTime) {
              nameNodesWithCheckpoints.push({
                lastCheckpointTime: lastActiveNameNodeCheckpointTime,
                hostName: activeNameNode.get('hostName'),
                haNameSpace: activeNameNode.get('haNameSpace')
              });
            } else if (nameNodeWithCheckpoint) {
              nameNodesWithCheckpoints.push({
                lastCheckpointTime: nameNodeWithCheckpoint.get('LastCheckpointTime'),
                hostName: nameNodeWithCheckpoint.get('hostName'),
                haNameSpace: nameNodeWithCheckpoint.get('haNameSpace')
              });
            }
          } else Eif (standbyNameNode) {
            nameNodesWithCheckpoints.push({
              lastCheckpointTime: standbyNameNode.get('LastCheckpointTime'),
              hostName: standbyNameNode.get('hostName'),
              haNameSpace: standbyNameNode.get('haNameSpace')
            });
          }
        });
      }
      var timeCriteria = App.nnCheckpointAgeAlertThreshold,
          // time in hours to define how many hours ago is too old
      timeAgo = (Math.round(App.dateTime() / 1000) - timeCriteria * 3600) * 1000,
          nameNodesWithOldCheckpoints = nameNodesWithCheckpoints.filter(function (nameNode) {
        return nameNode.lastCheckpointTime <= timeAgo;
      });
 
      this.setProperties({
        nameNodesWithOldCheckpoints: nameNodesWithOldCheckpoints,
        isNameNodeCheckpointUnavailable: !nameNodesWithCheckpoints.length
      });
    },
 
    /**
     * Return true if hdfs user data is loaded via App.MainServiceInfoConfigsController
     */
    getHdfsUser: function getHdfsUser() {
      var self = this;
      var dfd = $.Deferred();
      var miscController = App.MainAdminServiceAccountsController.create();
      miscController.loadUsers();
      var interval = setInterval(function () {
        if (miscController.get('dataIsLoaded') && miscController.get('users')) {
          self.set('hdfsUser', miscController.get('users').findProperty('name', 'hdfs_user').get('value'));
          dfd.resolve();
          clearInterval(interval);
        }
      }, 10);
      return dfd.promise();
    },
 
    addAdditionalWarningMessage: function addAdditionalWarningMessage(serviceHealth, msg, serviceDisplayName) {
      var servicesAffectedDisplayNames = [];
      var servicesAffected = [];
 
      if (serviceHealth == 'INSTALLED') {
        //To stop a service, display dependencies message...
        var currentService = this.get('content.serviceName');
 
        var stackServices = App.StackService.find();
        stackServices.forEach(function (service) {
          Eif (service.get('isInstalled') || service.get('isSelected')) {
            //only care about services installed...
            var stackServiceDisplayName = service.get("displayName");
            var requiredServices = service.get('requiredServices'); //services required in order to have the current service be functional...
            if (!!requiredServices && requiredServices.length) {
              //only care about services with a non-empty requiredServices list.
 
              requiredServices.forEach(function (_requiredService) {
                if (currentService === _requiredService) {
                  //the service to be stopped is a required service by some other services...
                  Eif (servicesAffected.indexOf(service) == -1) {
                    servicesAffected.push(service);
                    servicesAffectedDisplayNames.push(stackServiceDisplayName);
                  }
                }
              }, this);
            }
          }
        }, this);
 
        var names = servicesAffectedDisplayNames.join();
        if (names) {
          //only display this line with a non-empty dependency list
          var dependenciesMsg = Em.I18n.t('services.service.stop.warningMsg.dependent.services').format(serviceDisplayName, names);
          msg = msg ? msg + " " + dependenciesMsg : dependenciesMsg;
        }
      }
 
      return msg;
    },
 
    startStopWithMmode: function startStopWithMmode(serviceHealth, query, runMmOperation, components, hosts, label) {
      var _this6 = this;
 
      Iif (runMmOperation) {
        if (serviceHealth === 'STARTED') {
          this.startStopPopupPrimary(serviceHealth, query, components, hosts, label).complete(function () {
            batchUtils.turnOnOffPassiveRequest('OFF', Em.I18n.t('passiveState.turnOff'), _this6.get('content.serviceName').toUpperCase());
          });
        } else {
          batchUtils.turnOnOffPassiveRequest('ON', Em.I18n.t('passiveState.turnOn'), this.get('content.serviceName').toUpperCase()).complete(function () {
            _this6.startStopPopupPrimary(serviceHealth, query, components, hosts, label);
          });
        }
      } else {
        this.startStopPopupPrimary(serviceHealth, query, components, hosts, label);
      }
    },
 
    startStopPopupPrimary: function startStopPopupPrimary(serviceHealth, query, components, hosts, label) {
      var _this7 = this;
 
      var isStart = serviceHealth === 'STARTED',
          serviceName = this.get('content.serviceName');
      Iif (components || hosts) {
        batchUtils.getComponentsFromServer({
          hosts: hosts,
          components: components,
          passiveState: 'OFF',
          displayParams: ['host_components/HostRoles/component_name']
        }, function (data) {
          var contextKey = isStart ? 'services.service.startAllComponents' : 'services.service.stopAllComponents',
              context = Em.I18n.t(contextKey).format(label),
              requestQuery = data.items.map(function (host) {
            var hostName = host.Hosts.host_name,
                componentNames = host.host_components.mapProperty('HostRoles.component_name').join(',');
            return '(HostRoles/component_name.in(' + componentNames + ')&HostRoles/host_name=' + hostName + ')';
          }).join('|');
          App.ajax.send({
            name: 'common.service.host_component.update',
            sender: _this7,
            data: {
              context: context,
              serviceName: serviceName,
              state: serviceHealth,
              query: requestQuery
            },
            showLoadingPopup: true
          });
        });
      } else {
        var context = isStart ? App.BackgroundOperationsController.CommandContexts.START_SERVICE.format(serviceName) : App.BackgroundOperationsController.CommandContexts.STOP_SERVICE.format(serviceName),
            data = {
          context: context,
          serviceName: serviceName.toUpperCase(),
          ServiceInfo: {
            state: serviceHealth
          },
          query: query,
          success: 'startStopPopupSuccessCallback',
          error: 'startStopPopupErrorCallback'
        };
 
        return App.ajax.send({
          name: 'common.service.update',
          sender: this,
          success: 'startStopPopupSuccessCallback',
          error: 'startStopPopupErrorCallback',
          data: data,
          showLoadingPopup: true
        });
      }
    },
 
    /**
     * On click callback for <code>start service</code> button
     */
    startService: function startService() {
      this.startStopPopup(App.HostComponentStatus.started);
    },
 
    /**
     * On click callback for <code>stop service</code> button
     */
    stopService: function stopService() {
      this.startStopPopup(App.HostComponentStatus.stopped);
    },
 
    /**
     * On click callback for <code>run rebalancer</code> button
     * @param event
     */
    runRebalancer: function runRebalancer(event) {
      var self = this;
      return App.showConfirmationPopup(function () {
        self.set("content.runRebalancer", true);
        // load data (if we need to show this background operations popup) from persist
        App.router.get('userSettingsController').dataLoading('show_bg').done(function (initValue) {
          if (initValue) {
            App.router.get('backgroundOperationsController').showPopup();
          }
        });
      });
    },
    /**
    * On click handler for Yarn Refresh Queues command from items menu
    * @param event
    */
    refreshYarnQueues: function refreshYarnQueues(event) {
      var controller = this;
      var hosts = App.Service.find('YARN').get('hostComponents').filterProperty('componentName', 'RESOURCEMANAGER').mapProperty('hostName');
      return App.showConfirmationPopup(function () {
        App.ajax.send({
          name: 'service.item.refreshQueueYarnRequest',
          sender: controller,
          data: {
            command: "REFRESHQUEUES",
            context: Em.I18n.t('services.service.actions.run.yarnRefreshQueues.context'),
            hosts: hosts.join(','),
            serviceName: "YARN",
            componentName: "RESOURCEMANAGER",
            forceRefreshConfigTags: "capacity-scheduler"
          },
          success: 'refreshYarnQueuesSuccessCallback',
          error: 'refreshYarnQueuesErrorCallback',
          showLoadingPopup: true
        });
      });
    },
    refreshYarnQueuesSuccessCallback: function refreshYarnQueuesSuccessCallback(data, ajaxOptions, params) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
    refreshYarnQueuesErrorCallback: function refreshYarnQueuesErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.yarnRefreshQueues.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {}
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.yarnRefreshQueues.error'), error);
    },
 
    startLdapKnox: function startLdapKnox(event) {
      var context = Em.I18n.t('services.service.actions.run.startLdapKnox.context');
      this.startStopLdapKnox('STARTDEMOLDAP', context);
    },
 
    stopLdapKnox: function stopLdapKnox(event) {
      var context = Em.I18n.t('services.service.actions.run.stopLdapKnox.context');
      this.startStopLdapKnox('STOPDEMOLDAP', context);
    },
 
    startStopLdapKnox: function startStopLdapKnox(command, context) {
      var controller = this;
      var host = App.HostComponent.find().findProperty('componentName', 'KNOX_GATEWAY').get('hostName');
      return App.showConfirmationPopup(function () {
        App.ajax.send({
          name: 'service.item.startStopLdapKnox',
          sender: controller,
          data: {
            command: command,
            context: context,
            host: host,
            serviceName: "KNOX",
            componentName: "KNOX_GATEWAY"
          },
          success: 'startStopLdapKnoxSuccessCallback',
          error: 'startStopLdapKnoxErrorCallback',
          showLoadingPopup: true
        });
      });
    },
 
    startStopLdapKnoxSuccessCallback: function startStopLdapKnoxSuccessCallback(data, ajaxOptions, params) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
    startStopLdapKnoxErrorCallback: function startStopLdapKnoxErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.startStopLdapKnox.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {}
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.yarnRefreshQueues.error'), error);
    },
 
    restartLLAP: function restartLLAP() {
      var isRefreshQueueRequired,
          self = this;
      return App.showConfirmationPopup(function () {
        // regresh queue request is sending only if YARN service has stale configs
        isRefreshQueueRequired = App.Service.find().findProperty('serviceName', 'YARN').get('isRestartRequired');
        if (isRefreshQueueRequired) {
          self.restartLLAPAndRefreshQueueRequest();
        } else {
          self.restartLLAPRequest();
        }
      });
    },
 
    restartLLAPRequest: function restartLLAPRequest() {
      var host = App.HostComponent.find().findProperty('componentName', 'HIVE_SERVER_INTERACTIVE').get('hostName');
      App.ajax.send({
        name: 'service.item.executeCustomCommand',
        sender: this,
        data: {
          command: 'RESTART_LLAP',
          context: Em.I18n.t('services.service.actions.run.restartLLAP'),
          hosts: host,
          serviceName: "HIVE",
          componentName: "HIVE_SERVER_INTERACTIVE"
        },
        success: 'requestSuccessCallback',
        error: 'requestErrorCallback',
        showLoadingPopup: true
      });
    },
 
    restartLLAPAndRefreshQueueRequest: function restartLLAPAndRefreshQueueRequest() {
      var hiveServerInteractiveHost = App.HostComponent.find().findProperty('componentName', 'HIVE_SERVER_INTERACTIVE').get('hostName');
      var resourceManagerHost = App.HostComponent.find().findProperty('componentName', 'RESOURCEMANAGER').get('hostName');
      var batches = [{
        "order_id": 1,
        "type": "POST",
        "uri": "/clusters/" + App.get('clusterName') + "/requests",
        "RequestBodyInfo": {
          "RequestInfo": {
            "context": "Refresh YARN Capacity Scheduler",
            "command": "REFRESHQUEUES",
            "parameters/forceRefreshConfigTags": "capacity-scheduler"
          },
          "Requests/resource_filters": [{
            "service_name": "YARN",
            "component_name": "RESOURCEMANAGER",
            "hosts": resourceManagerHost
          }]
        }
      }, {
        "order_id": 2,
        "type": "POST",
        "uri": "/clusters/" + App.get('clusterName') + "/requests",
        "RequestBodyInfo": {
          "RequestInfo": { "context": "Restart LLAP", "command": "RESTART_LLAP" },
          "Requests/resource_filters": [{
            "service_name": "HIVE",
            "component_name": "HIVE_SERVER_INTERACTIVE",
            "hosts": hiveServerInteractiveHost
          }]
        }
      }];
      App.ajax.send({
        name: 'common.batch.request_schedules',
        sender: this,
        data: {
          intervalTimeSeconds: 1,
          tolerateSize: 0,
          batches: batches
        },
        success: 'requestSuccessCallback',
        error: 'requestErrorCallback',
        showLoadingPopup: true
      });
    },
 
    requestSuccessCallback: function requestSuccessCallback() {
      App.router.get('userSettingsController').dataLoading('show_bg').done(function (initValue) {
        if (initValue) {
          App.router.get('backgroundOperationsController').showPopup();
        }
      });
    },
 
    requestErrorCallback: function requestErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.executeCustomCommand.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {}
      }
      App.showAlertPopup(Em.I18n.t('common.error'), error);
    },
 
    /**
     * On click handler for rebalance Hdfs command from items menu
     */
    rebalanceHdfsNodes: function rebalanceHdfsNodes() {
      var controller = this;
      App.ModalPopup.show({
        classNames: ['forty-percent-width-modal'],
        header: Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.context'),
        primary: Em.I18n.t('common.start'),
        secondary: Em.I18n.t('common.cancel'),
        inputValue: 10,
        errorMessage: Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.promptError'),
        isInvalid: function () {
          var intValue = Number(this.get('inputValue'));
          return this.get('inputValue') !== 'DEBUG' && (isNaN(intValue) || intValue < 1 || intValue > 100);
        }.property('inputValue'),
        disablePrimary: Em.computed.alias('isInvalid'),
        onPrimary: function onPrimary() {
          if (this.get('isInvalid')) {
            return;
          }
          App.ajax.send({
            name: 'service.item.rebalanceHdfsNodes',
            sender: controller,
            data: {
              hosts: App.Service.find('HDFS').get('hostComponents').findProperty('componentName', 'NAMENODE').get('hostName'),
              threshold: this.get('inputValue')
            },
            success: 'rebalanceHdfsNodesSuccessCallback',
            error: 'rebalanceHdfsNodesErrorCallback',
            showLoadingPopup: true
          });
          this.hide();
        },
        bodyClass: Ember.View.extend({
          templateName: require('templates/common/modal_popups/prompt_popup'),
          text: Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.prompt'),
          didInsertElement: function didInsertElement() {
            App.tooltip(this.$(".prompt-input"), {
              placement: "bottom",
              title: Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.promptTooltip')
            });
          }
        })
      });
    },
    rebalanceHdfsNodesSuccessCallback: function rebalanceHdfsNodesSuccessCallback(data) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
    rebalanceHdfsNodesErrorCallback: function rebalanceHdfsNodesErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {}
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.rebalanceHdfsNodes.error'), error);
    },
 
    regenerateKeytabFileOperations: function regenerateKeytabFileOperations() {
      var self = this;
      var serviceName = this.content.get('serviceName');
      var clusterName = App.get('clusterName');
      return App.showConfirmationPopup(function () {
        return App.ajax.send({
          name: "admin.kerberos_security.regenerate_keytabs.service",
          sender: self,
          data: {
            clusterName: clusterName,
            serviceName: serviceName
          },
          success: 'regenerateKeytabFileOperationsRequestSuccess',
          error: 'regenerateKeytabFileOperationsRequestError'
        });
      }, Em.I18n.t('question.sure.regenerateKeytab.service').format(serviceName));
    },
 
    regenerateKeytabFileOperationsRequestSuccess: function regenerateKeytabFileOperationsRequestSuccess() {
      App.router.get('backgroundOperationsController').showPopup();
    },
 
    regenerateKeytabFileOperationsRequestError: function regenerateKeytabFileOperationsRequestError() {
      App.showAlertPopup(Em.I18n.t('common.error'), Em.I18n.t('alerts.notifications.regenerateKeytab.service.error').format(this.content.get('serviceName')));
    },
    /**
     * On click callback for <code>run compaction</code> button
     * @param event
     */
    runCompaction: function runCompaction(event) {
      var self = this;
      return App.showConfirmationPopup(function () {
        self.set("content.runCompaction", true);
        // load data (if we need to show this background operations popup) from persist
        App.router.get('userSettingsController').dataLoading('show_bg').done(function (initValue) {
          if (initValue) {
            App.router.get('backgroundOperationsController').showPopup();
          }
        });
      });
    },
 
    /**
     * On click callback for <code>run smoke test</code> button
     * @param event
     */
    runSmokeTest: function runSmokeTest(event) {
      var self = this;
      if (this.get('content.serviceName') === 'MAPREDUCE2' && !App.Service.find('YARN').get('isStarted')) {
        return App.showAlertPopup(Em.I18n.t('common.error'), Em.I18n.t('services.mapreduce2.smokeTest.requirement'));
      }
      return App.showConfirmationFeedBackPopup(function (query) {
        self.runSmokeTestPrimary(query);
      });
    },
 
    /**
     * On click handler for Update HBase Replication command from items menu
     */
    updateHBaseReplication: function updateHBaseReplication() {
      var controller = this;
      App.ModalPopup.show({
        classNames: ['sixty-percent-width-modal', 'service-params-popup'],
        header: Em.I18n.t('services.service.actions.run.updateHBaseReplication.context'),
        primary: Em.I18n.t('common.enable'),
        secondary: Em.I18n.t('common.cancel'),
        peerId: '',
        parentzkey: '/hbase',
        zkport: '2181',
        zkquorum: '',
        errorMessage: Em.I18n.t('services.service.actions.run.updateHBaseReplication.promptError'),
        isInvalid: function () {
          var zkquorum = this.get('zkquorum');
          var zkport = this.get('zkport');
          var parentzkey = this.get('parentzkey');
          var peerId = this.get('peerId');
          if (zkquorum && zkport && parentzkey && peerId) {
            if (isNaN(zkport) || isNaN(peerId)) {
              return true;
            }
            var zkquorumArray = zkquorum.split(',');
            return zkquorumArray.length < 2;
          } else {
            return true;
          }
        }.property('zkquorum', 'zkport', 'parentzkey', 'peerId'),
        disablePrimary: Em.computed.alias('isInvalid'),
        onPrimary: function onPrimary() {
          if (this.get('isInvalid')) {
            return;
          }
          App.ajax.send({
            name: 'service.item.updateHBaseReplication',
            sender: controller,
            data: {
              hosts: App.Service.find('HBASE').get('hostComponents').findProperty('componentName', 'HBASE_MASTER').get('hostName'),
              replication_peers: this.get('peerId'),
              replication_cluster_keys: this.get('zkquorum') + ':' + this.get('zkport') + ":" + this.get('parentzkey')
            },
            success: 'updateHBaseReplicationSuccessCallback',
            error: 'updateHBaseReplicationErrorCallback',
            showLoadingPopup: true
          });
          this.hide();
        },
        bodyClass: Ember.View.extend({
          templateName: require('templates/common/modal_popups/update_replication_popup'),
          zkquorumText: Em.I18n.t('services.service.actions.run.updateHBaseReplication.zkquorumText.prompt'),
          zkportText: Em.I18n.t('services.service.actions.run.updateHBaseReplication.zkportText.prompt'),
          parentzkeyText: Em.I18n.t('services.service.actions.run.updateHBaseReplication.parentzkeyText.prompt'),
          peerIdText: Em.I18n.t('services.service.actions.run.updateHBaseReplication.peerIdText.prompt')
        })
      });
    },
 
    updateHBaseReplicationSuccessCallback: function updateHBaseReplicationSuccessCallback(data) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
 
    updateHBaseReplicationErrorCallback: function updateHBaseReplicationErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.updateHBaseReplication.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {
          console.log(err);
        }
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.updateHBaseReplication.error'), error);
    },
 
    /**
     * On click handler for Stop HBase Replication command from items menu
     */
    stopHBaseReplication: function stopHBaseReplication() {
      var controller = this;
      App.ModalPopup.show({
        classNames: ['forty-percent-width-modal'],
        header: Em.I18n.t('services.service.actions.run.stopHBaseReplication.context'),
        primary: Em.I18n.t('common.disable'),
        secondary: Em.I18n.t('common.cancel'),
        inputValue: '',
        errorMessage: Em.I18n.t('services.service.actions.run.stopHBaseReplication.promptError'),
        isInvalid: function () {
          var inputValue = this.get('inputValue');
          return !inputValue || isNaN(inputValue);
        }.property('inputValue'),
        disablePrimary: Em.computed.alias('isInvalid'),
        onPrimary: function onPrimary() {
          if (this.get('isInvalid')) {
            return;
          }
          App.ajax.send({
            name: 'service.item.stopHBaseReplication',
            sender: controller,
            data: {
              hosts: App.Service.find('HBASE').get('hostComponents').findProperty('componentName', 'HBASE_MASTER').get('hostName'),
              replication_peers: this.get('inputValue')
            },
            success: 'stopHBaseReplicationSuccessCallback',
            error: 'stopHBaseReplicationErrorCallback',
            showLoadingPopup: true
          });
          this.hide();
        },
        bodyClass: Ember.View.extend({
          templateName: require('templates/common/modal_popups/prompt_popup'),
          text: Em.I18n.t('services.service.actions.run.stopHBaseReplication.prompt')
        })
      });
    },
 
    stopHBaseReplicationSuccessCallback: function stopHBaseReplicationSuccessCallback(data) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
 
    stopHBaseReplicationErrorCallback: function stopHBaseReplicationErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.stopHBaseReplication.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {
          console.log(err);
        }
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.stopHBaseReplication.error'), error);
    },
 
    restartAllHostComponents: function restartAllHostComponents(serviceName) {
      var serviceDisplayName = this.get('content.displayName'),
          bodyMessage = Em.Object.create({
        putInMaintenance: this.get('content.passiveState') === 'OFF',
        turnOnMmMsg: Em.I18n.t('passiveState.turnOnFor').format(serviceDisplayName),
        confirmMsg: Em.I18n.t('services.service.restartAll.confirmMsg').format(serviceDisplayName),
        confirmButton: Em.I18n.t('services.service.restartAll.confirmButton'),
        additionalWarningMsg: this.get('content.passiveState') === 'OFF' ? Em.I18n.t('services.service.restartAll.warningMsg.turnOnMM').format(serviceDisplayName) : null
      });
 
      // check HDFS NameNode checkpoint before stop service
      if (this.hasStartedNameNode()) {
        this.checkNnLastCheckpointTime(function () {
          return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
            batchUtils.restartAllServiceHostComponents(serviceDisplayName, serviceName, false, query, runMmOperation);
          }, bodyMessage);
        });
      } else {
        return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
          batchUtils.restartAllServiceHostComponents(serviceDisplayName, serviceName, false, query, runMmOperation);
        }, bodyMessage);
      }
    },
 
    restartCertainHostComponents: function restartCertainHostComponents(context) {
      var serviceDisplayName = this.get('content.displayName'),
          components = context.components,
          hosts = context.hosts,
          label = context.label,
          serviceName = context.serviceName;
 
      if (hosts) {
        var bodyMessage = Em.Object.create({
          putInMaintenance: this.get('content.passiveState') === 'OFF',
          turnOnMmMsg: Em.I18n.t('passiveState.turnOnFor').format(serviceDisplayName),
          confirmMsg: Em.I18n.t('services.service.restartAll.confirmMsg').format(Em.I18n.t('services.service.componentsInNameSpace').format(label)),
          confirmButton: Em.I18n.t('services.service.restartAll.confirmButton'),
          additionalWarningMsg: this.get('content.passiveState') === 'OFF' ? Em.I18n.t('services.service.restartCertain.warningMsg.turnOnMM').format(serviceDisplayName) : null
        });
        if (this.hasStartedNameNode(label)) {
          this.checkNnLastCheckpointTime(function () {
            return App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
              batchUtils.restartCertainServiceHostComponents(serviceName, components, hosts, label, query, runMmOperation);
            }, bodyMessage);
          }, label);
        } else {
          App.showConfirmationFeedBackPopup(function (query, runMmOperation) {
            batchUtils.restartCertainServiceHostComponents(serviceName, components, hosts, label, query, runMmOperation);
          }, bodyMessage);
        }
      } else {
        this.restartAllHostComponents(serviceName);
      }
    },
 
    startCertainHostComponents: function startCertainHostComponents(context) {
      if (context.hosts) {
        this.startStopCertainPopup(context, App.HostComponentStatus.started);
      } else {
        this.startService();
      }
    },
 
    stopCertainHostComponents: function stopCertainHostComponents(context) {
      if (context.hosts) {
        this.startStopCertainPopup(context, App.HostComponentStatus.stopped);
      } else {
        this.stopService();
      }
    },
 
    hasStartedNameNode: function hasStartedNameNode(nameSpace) {
      return this.get('content.serviceName') == 'HDFS' && this.get('content.hostComponents').some(function (component) {
        return component.get('componentName') === 'NAMENODE' && (!nameSpace || component.get('haNameSpace') === nameSpace) && component.get('workStatus') === App.HostComponentStatus.started;
      });
    },
 
    turnOnOffPassive: function turnOnOffPassive(label) {
      var self = this;
      var state = this.get('content.passiveState') == 'OFF' ? 'ON' : 'OFF';
      var onOff = state === 'ON' ? "On" : "Off";
      return App.showConfirmationPopup(function () {
        batchUtils.turnOnOffPassiveRequest(state, label, self.get('content.serviceName').toUpperCase(), function (data, opt, params) {
          self.set('content.passiveState', params.passive_state);
          batchUtils.infoPassiveState(params.passive_state);
        });
      }, Em.I18n.t('hosts.passiveMode.popup').format(onOff, self.get('content.displayName')));
    },
 
    rollingRestart: function rollingRestart(hostComponentName) {
      batchUtils.launchHostComponentRollingRestart(hostComponentName, this.get('content.displayName'), this.get('content.passiveState') === "ON", false, this.get('content.passiveState') === "ON");
    },
 
    runSmokeTestPrimary: function runSmokeTestPrimary(query) {
      var clusterLevelRequired = ['KERBEROS'];
      var requestData = {
        'serviceName': this.get('content.serviceName'),
        'displayName': this.get('content.displayName'),
        'actionName': this.get('content.serviceName') === 'ZOOKEEPER' ? 'ZOOKEEPER_QUORUM_SERVICE_CHECK' : this.get('content.serviceName') + '_SERVICE_CHECK',
        'query': query
      };
      if (clusterLevelRequired.contains(this.get('content.serviceName'))) {
        requestData.operationLevel = {
          "level": "CLUSTER",
          "cluster_name": App.get('clusterName')
        };
      }
      App.ajax.send({
        'name': 'service.item.smoke',
        'sender': this,
        'success': 'runSmokeTestSuccessCallBack',
        'error': 'runSmokeTestErrorCallBack',
        'data': requestData,
        showLoadingPopup: true
      });
    },
 
    runSmokeTestSuccessCallBack: function runSmokeTestSuccessCallBack(data, ajaxOptions, params) {
      if (data.Requests.id) {
        // load data (if we need to show this background operations popup) from persist
        App.router.get('userSettingsController').dataLoading('show_bg').done(function (initValue) {
          params.query.set('status', 'SUCCESS');
          if (initValue) {
            App.router.get('backgroundOperationsController').showPopup();
          }
        });
      } else {
        params.query.set('status', 'FAIL');
      }
    },
    runSmokeTestErrorCallBack: function runSmokeTestErrorCallBack(request, ajaxOptions, error, opt, params) {
      params.query.set('status', 'FAIL');
    },
 
    /**
     * On click callback for <code>Reassign <master component></code> button
     * @param hostComponent
     */
    reassignMaster: function reassignMaster(hostComponent) {
      var component = App.HostComponent.find().findProperty('componentName', hostComponent);
      if (component) {
        var reassignMasterController = App.router.get('reassignMasterController');
        reassignMasterController.saveComponentToReassign(component);
        reassignMasterController.setCurrentStep('1');
        App.router.transitionTo('reassign');
      }
    },
 
    /**
     * On click callback for <code>action</code> dropdown menu
     * Calls runSmokeTest, runRebalancer, runCompaction or reassignMaster depending on context
     * @param event
     */
    doAction: function doAction(event) {
      Iif ($(event.target).hasClass('disabled') || $(event.target.parentElement).hasClass('disabled')) {
        return;
      }
      var methodName = event.context.action;
      var context = event.context.context;
      Eif (methodName) {
        this[methodName](context);
      }
    },
 
    /**
     * Restart clients host components to apply config changes
     */
    refreshConfigs: function refreshConfigs() {
      var self = this;
      if (this.get('isClientsOnlyService') || this.get('content.serviceName') == "FLUME") {
        return App.showConfirmationFeedBackPopup(function (query) {
          batchUtils.getComponentsFromServer({
            services: [self.get('content.serviceName')]
          }, function (data) {
            var hostComponents = [];
 
            data.items.forEach(function (host) {
              host.host_components.forEach(function (hostComponent) {
                hostComponents.push(Em.Object.create({
                  componentName: hostComponent.HostRoles.component_name,
                  hostName: host.Hosts.host_name
                }));
              });
            });
            batchUtils.restartHostComponents(hostComponents, Em.I18n.t('rollingrestart.context.allForSelectedService').format(self.get('content.serviceName')), "SERVICE", query);
          });
        });
      }
    },
 
    /**
     * Send command to server to install client on selected host
     * @param componentName
     */
    addComponent: function addComponent(componentName) {
      var component = App.StackServiceComponent.find().findProperty('componentName', componentName);
 
      App.get('router.mainAdminKerberosController').getKDCSessionState(function () {
        App.router.get('mainHostDetailsController').addComponentWithCheck({
          context: component,
          fromServiceSummary: true
        });
      });
    },
 
    /**
     * set property isPending (if this property is true - means that service has task in BGO)
     * and this makes start/stop button disabled
     */
    setStartStopState: function () {
      var serviceName = this.get('content.serviceName');
      var backgroundOperations = App.router.get('backgroundOperationsController.services');
      if (backgroundOperations && backgroundOperations.length > 0) {
        for (var i = 0; i < backgroundOperations.length; i++) {
          if (backgroundOperations[i].isRunning && (backgroundOperations[i].dependentService === "ALL_SERVICES" || backgroundOperations[i].dependentService === serviceName)) {
            this.set('isPending', true);
            return;
          }
        }
        this.set('isPending', false);
      } else {
        this.set('isPending', true);
      }
    }.observes('App.router.backgroundOperationsController.serviceTimestamp'),
 
    nonClientServiceComponents: function () {
      return App.MasterComponent.find().toArray().concat(App.SlaveComponent.find().toArray()).filterProperty('service.serviceName', this.get('content.serviceName'));
    }.property('content.serviceName'),
 
    isStartDisabled: function () {
      var allComponentsStarted = true;
      if (this.get('isPending')) return true;
      this.get('nonClientServiceComponents').forEach(function (component) {
        if (component.get('installedCount') > 0) allComponentsStarted = false;
      });
      return allComponentsStarted && this.get('content.isStarted');
    }.property('content.isStarted', 'isPending'),
 
    isStopDisabled: function () {
      var allComponentsStopped = true;
      if (this.get('isPending')) return true;
 
      Iif (App.get('isHaEnabled') && this.get('content.serviceName') == 'HDFS' && this.get('content.hostComponents').filterProperty('componentName', 'NAMENODE').someProperty('workStatus', App.HostComponentStatus.started)) {
        return false;
      }
      if (this.get('content.serviceName') == 'HAWQ' && this.get('content.hostComponents').filterProperty('componentName', 'HAWQMASTER').someProperty('workStatus', App.HostComponentStatus.started)) {
        return false;
      }
      if (this.get('content.serviceName') == 'PXF' && App.HostComponent.find().filterProperty('componentName', 'PXF').someProperty('workStatus', App.HostComponentStatus.started)) {
        return false;
      }
 
      this.get('nonClientServiceComponents').forEach(function (component) {
        if (component.get('startedCount') > 0) allComponentsStopped = false;
      });
 
      return allComponentsStopped && !this.get('content.isStarted');
    }.property('content.isStarted', 'isPending', 'App.isHaEnabled'),
 
    isSmokeTestDisabled: function () {
      if (this.get('isClientsOnlyService')) return false;
      // Disable PXF service check if at least one PXF is down
      if (this.get('content.serviceName') === 'PXF') return App.HostComponent.find().filterProperty('componentName', 'PXF').someProperty('workStatus', 'INSTALLED');
      return this.get('isStopDisabled');
    }.property('content.serviceName'),
 
    /**
     * Determine if service has than one service client components
     */
    isSeveralClients: function () {
      return App.StackServiceComponent.find().filterProperty('serviceName', this.get('content.serviceName')).filterProperty('isClient').length > 1;
    }.property('content.serviceName'),
 
    enableHighAvailability: function enableHighAvailability() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.enableHighAvailability();
    },
 
    manageJournalNode: function manageJournalNode() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.manageJournalNode();
    },
 
    disableHighAvailability: function disableHighAvailability() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.disableHighAvailability();
    },
 
    enableRMHighAvailability: function enableRMHighAvailability() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.enableRMHighAvailability();
    },
 
    addHawqStandby: function addHawqStandby() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.addHawqStandby();
    },
 
    removeHawqStandby: function removeHawqStandby() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.removeHawqStandby();
    },
 
    activateHawqStandby: function activateHawqStandby() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.activateHawqStandby();
    },
 
    enableRAHighAvailability: function enableRAHighAvailability() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.enableRAHighAvailability();
    },
 
    downloadClientConfigs: function downloadClientConfigs(event) {
      var component = this.get('content.clientComponents').rejectProperty('totalCount', 0)[0];
      this.downloadClientConfigsCall({
        serviceName: this.get('content.serviceName'),
        componentName: event && event.name || component.get('componentName'),
        resourceType: this.resourceTypeEnum.SERVICE_COMPONENT
      });
    },
 
    openNameNodeFederationWizard: function openNameNodeFederationWizard() {
      var highAvailabilityController = App.router.get('mainAdminHighAvailabilityController');
      highAvailabilityController.enableNameNodeFederation();
    },
 
    /**
     * This method is called when user event to download configs for "All Clients"
     * is made from service action menu
     */
    downloadAllClientConfigs: function downloadAllClientConfigs() {
      this.downloadClientConfigsCall({
        serviceName: this.get('content.serviceName'),
        resourceType: this.resourceTypeEnum.SERVICE
      });
    },
 
    /**
     * On click handler for custom hawq command from items menu
     * @param context
     */
    executeHawqCustomCommand: function executeHawqCustomCommand(context) {
      var controller = this;
      return App.showConfirmationPopup(function () {
        App.ajax.send({
          name: 'service.item.executeCustomCommand',
          sender: controller,
          data: {
            command: context.command,
            context: context.label,
            hosts: App.Service.find(context.service).get('hostComponents').findProperty('componentName', context.component).get('hostName'),
            serviceName: context.service,
            componentName: context.component
          },
          success: 'executeCustomCommandSuccessCallback',
          error: 'executeCustomCommandErrorCallback',
          showLoadingPopup: true
        });
      });
    },
 
    /**
     * On click handler for custom command from items menu
     * @param context
     */
    executeCustomCommand: function executeCustomCommand(context) {
      var controller = this;
      return App.showConfirmationPopup(function () {
        App.ajax.send({
          name: 'service.item.executeCustomCommand',
          sender: controller,
          data: {
            command: context.command,
            context: 'Execute ' + context.command,
            hosts: App.Service.find(context.service).get('hostComponents').findProperty('componentName', context.component).get('hostName'),
            serviceName: context.service,
            componentName: context.component,
            forceRefreshConfigTags: "capacity-scheduler"
          },
          success: 'executeCustomCommandSuccessCallback',
          error: 'executeCustomCommandErrorCallback',
          showLoadingPopup: true
        });
      });
    },
 
    executeCustomCommandSuccessCallback: function executeCustomCommandSuccessCallback(data, ajaxOptions, params) {
      if (data.Requests.id) {
        App.router.get('backgroundOperationsController').showPopup();
      }
    },
 
    executeCustomCommandErrorCallback: function executeCustomCommandErrorCallback(data) {
      var error = Em.I18n.t('services.service.actions.run.executeCustomCommand.error');
      if (data && data.responseText) {
        try {
          var json = $.parseJSON(data.responseText);
          error += json.message;
        } catch (err) {}
      }
      App.showAlertPopup(Em.I18n.t('services.service.actions.run.executeCustomCommand.error'), error);
    },
 
    /**
     * find dependent services
     * @param {string[]} serviceNamesToDelete
     * @returns {Array}
     */
    findDependentServices: function findDependentServices(serviceNamesToDelete) {
      var dependentServices = [];
 
      App.Service.find().forEach(function (service) {
        if (!serviceNamesToDelete.contains(service.get('serviceName'))) {
          var requiredServices = App.StackService.find(service.get('serviceName')).get('requiredServices');
          serviceNamesToDelete.forEach(function (dependsOnService) {
            if (requiredServices.contains(dependsOnService)) {
              dependentServices.push(service.get('serviceName'));
            }
          });
        }
      }, this);
      return dependentServices;
    },
 
    /**
     * @param serviceNames
     * @returns {string}
     */
    servicesDisplayNames: function servicesDisplayNames(serviceNames) {
      return serviceNames.map(function (serviceName) {
        return App.format.role(serviceName, true);
      }).join(',');
    },
 
    /**
     * Is services can be removed based on work status
     * @param serviceNames
     */
    allowUninstallServices: function allowUninstallServices(serviceNames) {
      return App.Service.find().filter(function (service) {
        return serviceNames.contains(service.get('serviceName'));
      }).everyProperty('allowToDelete');
    },
 
    /**
     * delete service action
     * @param {string} serviceName
     */
    deleteService: function deleteService(serviceName) {
      var self = this,
          interDependentServices = this.get('interDependentServices'),
          serviceNamesToDelete = this.get('serviceNamesToDelete'),
          dependentServices = this.findDependentServices(serviceNamesToDelete),
          displayName = App.format.role(serviceName, true),
          popupHeader = Em.I18n.t('services.service.delete.popup.header'),
          dependentServicesToDeleteFmt = this.servicesDisplayNames(interDependentServices);
 
      if (serviceName === 'KERBEROS') {
        this.kerberosDeleteWarning(popupHeader);
        return;
      }
      if (serviceName === 'RANGER' && this.isRangerPluginEnabled()) {
        App.ModalPopup.show({
          secondary: null,
          header: popupHeader,
          encodeBody: false,
          body: Em.I18n.t('services.service.delete.popup.ranger')
        });
        return;
      }
 
      if (App.Service.find().get('length') === 1) {
        //at least one service should be installed
        App.ModalPopup.show({
          secondary: null,
          header: popupHeader,
          encodeBody: false,
          body: Em.I18n.t('services.service.delete.lastService.popup.body').format(displayName)
        });
      } else if (dependentServices.length > 0) {
        this.dependentServicesWarning(serviceName, dependentServices);
      } else {
        var isServiceInRemovableState = this.allowUninstallServices(serviceNamesToDelete);
        if (isServiceInRemovableState) {
          Iif (serviceName === 'RANGER_KMS') {
            App.showConfirmationPopup(function () {
              self.showLastWarning(serviceName, interDependentServices, dependentServicesToDeleteFmt);
            }, Em.I18n.t('services.service.delete.popup.warning.ranger_kms'), null, popupHeader, Em.I18n.t('common.delete'), 'danger');
          } else {
            this.showLastWarning(serviceName, interDependentServices, dependentServicesToDeleteFmt);
          }
        } else {
          var body = Em.I18n.t('services.service.delete.popup.mustBeStopped').format(displayName);
          Iif (interDependentServices.length) {
            body += Em.I18n.t('services.service.delete.popup.mustBeStopped.dependent').format(dependentServicesToDeleteFmt);
          }
          App.ModalPopup.show({
            secondary: null,
            header: popupHeader,
            encodeBody: false,
            body: body
          });
        }
      }
    },
 
    /**
     * show dialog with Kerberos warning prior to service delete
     * @param {string} header
     * @returns {App.ModalPopup}
     */
    kerberosDeleteWarning: function kerberosDeleteWarning(header) {
      return App.ModalPopup.show({
        primary: Em.I18n.t('ok'),
        secondary: Em.I18n.t('services.alerts.goTo').format('Kerberos'),
        header: header,
        encodeBody: false,
        body: Em.I18n.t('services.service.delete.popup.kerberos'),
        onSecondary: function onSecondary() {
          this._super();
          App.router.transitionTo('main.admin.adminKerberos.index');
        }
      });
    },
 
    /**
     * @returns {Boolean}
     */
    isRangerPluginEnabled: function isRangerPluginEnabled() {
      return App.router.get('mainServiceInfoSummaryController.rangerPlugins').filterProperty('isDisplayed').someProperty('status', 'Enabled');
    },
 
    /**
     * warning that show dependent services which must be deleted prior to chosen service deletion
     * @param {string} origin
     * @param {string[]} dependent
     * @returns {App.ModalPopup}
     */
    dependentServicesWarning: function dependentServicesWarning(origin, dependent) {
      return App.ModalPopup.show({
        secondary: null,
        header: Em.I18n.t('services.service.delete.popup.header'),
        dependentMessage: Em.I18n.t('services.service.delete.popup.dependentServices').format(App.format.role(origin, true)),
        dependentServices: dependent,
        bodyClass: Em.View.extend({
          templateName: require('templates/main/service/info/dependent_services_warning')
        })
      });
    },
 
    showLastWarning: function showLastWarning(serviceName, interDependentServices, dependentServicesToDeleteFmt) {
      var self = this,
          displayName = App.format.role(serviceName, true),
          popupHeader = Em.I18n.t('services.service.delete.popup.header'),
          popupPrimary = Em.I18n.t('common.delete'),
          warningMessage = Em.I18n.t('services.service.delete.popup.warning').format(displayName) + (interDependentServices.length ? Em.I18n.t('services.service.delete.popup.warning.dependent').format(dependentServicesToDeleteFmt) : ''),
          callback = this.loadConfigRecommendations.bind(this, null, function () {
        var serviceNames = self.get('changedProperties').mapProperty('serviceName').uniq();
        self.loadConfigGroups(serviceNames).done(function () {
          self.set('isRecommendationInProgress', false);
        });
      });
      this.clearRecommendations();
      this.setProperties({
        isRecommendationInProgress: true,
        selectedConfigGroup: Em.Object.create({
          isDefault: true
        })
      });
      this.loadConfigs();
      App.get('router.mainController.isLoading').call(this, 'isServiceConfigsLoaded').done(callback);
      return App.ModalPopup.show({
        controller: self,
        header: popupHeader,
        primary: popupPrimary,
        primaryClass: 'btn-danger',
        disablePrimary: Em.computed.alias('controller.isRecommendationInProgress'),
        classNameBindings: ['controller.changedProperties.length:common-modal-wrapper'],
        modalDialogClasses: Em.computed.ifThenElse('controller.changedProperties.length', ['modal-xlg'], []),
        bodyClass: Em.View.extend({
          templateName: require('templates/main/service/info/delete_service_warning_popup'),
          warningMessage: new Em.Handlebars.SafeString(warningMessage)
        }),
        onPrimary: function onPrimary() {
          self.confirmDeleteService(serviceName, interDependentServices, dependentServicesToDeleteFmt);
          this._super();
        },
        onSecondary: function onSecondary() {
          self.clearRecommendations();
          this._super();
        },
        onClose: function onClose() {
          self.clearRecommendations();
          this._super();
        }
      });
    },
 
    /**
     * Confirmation popup of service deletion
     * @param {string} serviceName
     * @param {string[]} [dependentServiceNames]
     * @param {string} [servicesToDeleteFmt]
     */
    confirmDeleteService: function confirmDeleteService(serviceName, dependentServiceNames, servicesToDeleteFmt) {
      var confirmKey = 'delete',
          self = this,
          message = Em.I18n.t('services.service.confirmDelete.popup.body').format(App.format.role(serviceName, true), confirmKey);
 
      if (dependentServiceNames.length > 0) {
        message = Em.I18n.t('services.service.confirmDelete.popup.body.dependent').format(App.format.role(serviceName, true), servicesToDeleteFmt, confirmKey);
      }
 
      App.ModalPopup.show({
 
        /**
         * @function onPrimary
         */
        onPrimary: function onPrimary() {
          var serviceNames = [serviceName].concat(dependentServiceNames),
              serviceDisplayNames = serviceNames.map(function (serviceName) {
            return App.Service.find(serviceName).get('displayName');
          }),
              progressPopup = App.ModalPopup.show({
            classNames: ['delete-service-progress'],
            header: Em.I18n.t('services.service.delete.popup.header'),
            showFooter: false,
            message: Em.I18n.t('services.service.delete.progressPopup.message').format(stringUtils.getFormattedStringFromArray(serviceDisplayNames)),
            bodyClass: Em.View.extend({
              classNames: ['delete-service-progress-body'],
              template: Em.Handlebars.compile('{{view App.SpinnerView}}<div class="progress-message">{{message}}</div>')
            }),
            onClose: function onClose() {
              self.set('deleteServiceProgressPopup', null);
              this._super();
            }
          });
          App.get('router.mainAdminKerberosController').getKDCSessionState(function () {
            self.set('deleteServiceProgressPopup', progressPopup);
            self.deleteServiceCall(serviceNames);
          });
          this._super();
        },
 
        /**
         * @type {string}
         */
        primary: Em.I18n.t('common.delete'),
 
        /**
         * @type {string}
         */
        primaryClass: 'btn-danger',
 
        /**
         * @type {string}
         */
        header: Em.I18n.t('services.service.confirmDelete.popup.header'),
 
        /**
         * @type {string}
         */
        confirmInput: '',
 
        /**
         * @type {boolean}
         */
        disablePrimary: Em.computed.notEqual('confirmInput', confirmKey),
 
        message: message,
 
        /**
         * @type {Em.View}
         */
        bodyClass: Em.View.extend({
          confirmKey: confirmKey,
          typeMessage: Em.I18n.t('services.service.confirmDelete.popup.body.type').format(confirmKey),
          templateName: require('templates/main/service/info/confirm_delete_service')
        }),
 
        enterKeyPressed: function enterKeyPressed() {
          if (this.get('disablePrimary')) return;
          this.onPrimary();
        }
      });
    },
 
    /**
     * All host names
     * This property required for request for recommendations
     *
     * @type {String[]}
     * @override
     */
    hostNames: Em.computed.alias('App.allHostNames'),
 
    /**
     * Recommendation object
     * This property required for request for recommendations
     *
     * @type {Object}
     * @override
     */
    hostGroups: function () {
      var hostGroup = blueprintUtils.generateHostGroups(App.get('allHostNames'));
      return blueprintUtils.removeDeletedComponents(hostGroup, [this.get('serviceNamesToDelete')]);
    }.property('serviceNamesToDelete', 'App.allHostNames', 'App.componentToBeAdded', 'App.componentToBeDeleted'),
 
    /**
     * List of services without removed
     * This property required for request for recommendations
     *
     * @type {String[]}
     * @override
     */
    serviceNames: function () {
      return App.Service.find().filter(function (s) {
        return !this.get('serviceNamesToDelete').contains(s.get('serviceName'));
      }, this).mapProperty('serviceName');
    }.property('serviceNamesToDelete'),
 
    /**
     * This property required for request for recommendations
     *
     * @return {Boolean}
     * @override
     */
    isConfigHasInitialState: function isConfigHasInitialState() {
      return false;
    },
 
    /**
     * Describes condition when recommendation should be applied
     * Unfortunately for removing services it's not always true
     * Property should be updated only if it depends on service that will be removed
     * (similar as on add service)
     *
     * @return {Boolean}
     * @override
     */
    allowUpdateProperty: function allowUpdateProperty(parentProperties, name, fileName, configGroup, savedValue) {
      var stackProperty = App.configsCollection.getConfigByName(name, fileName);
      if (!stackProperty || stackProperty.serviceName === this.get('content.serviceName')) {
        /**
         * update properties for current service (in case will be used not only for removing service)
         * and properties that are not defined in stack
         */
        return true;
      }
      if (stackProperty.propertyDependsOn.length) {
        /**
         * update properties that depends on current service
         */
        return stackProperty.propertyDependsOn.some(function (p) {
          var service = App.config.get('serviceByConfigTypeMap')[p.type];
          return service && this.get('content.serviceName') === service.get('serviceName');
        }, this);
      }
      return !Em.isNone(savedValue) && stackProperty.recommendedValue === savedValue;
    },
 
    /**
     * Just config version note
     *
     * @type {String}
     */
    serviceConfigVersionNote: function () {
      var services = this.get('serviceNamesToDelete').join(',');
      if (this.get('serviceNamesToDelete.length') === 1) {
        return Em.I18n.t('services.service.delete.configVersionNote').format(services);
      }
      return Em.I18n.t('services.service.delete.configVersionNote.plural').format(services);
    }.property('serviceNamesToDelete'),
 
    /**
     * Method ot save configs after service have been removed
     * @override
     */
    saveConfigs: function saveConfigs() {
      var data = [],
          progressPopup = this.get('deleteServiceProgressPopup'),
          stepConfigs = this.get('stepConfigs');
 
      this.applyRecommendedValues(stepConfigs);
 
      stepConfigs.forEach(function (stepConfig) {
        var serviceConfig = this.getServiceConfigToSave(stepConfig.get('serviceName'), stepConfig.get('configs'));
 
        Eif (serviceConfig) {
          data.push(serviceConfig);
        }
      }, this);
 
      if (Em.isArray(data) && data.length) {
        this.putChangedConfigurations(data, 'confirmServiceDeletion', function () {
          if (progressPopup) {
            progressPopup.onClose();
          }
        });
      } else {
        this.confirmServiceDeletion();
      }
    },
 
    applyRecommendedValues: function applyRecommendedValues(stepConfigs) {
      var changedProperties = this.get('changedProperties');
      changedProperties.forEach(function (property) {
        var serviceConfigs = stepConfigs.findProperty('serviceName', property.serviceName);
        Eif (serviceConfigs) {
          var prop = serviceConfigs.get('configs').findProperty('name', property.propertyName);
          Eif (prop) {
            prop.set('value', property.saveRecommended ? property.recommendedValue : property.initialValue);
          }
        }
      });
      return stepConfigs;
    },
 
    confirmServiceDeletion: function confirmServiceDeletion() {
      var serviceNames = void 0,
          msg = void 0;
      if (this.get('interDependentServices.length')) {
        serviceNames = this.get('serviceNamesToDelete').map(function (serviceName) {
          return App.format.role(serviceName, true);
        }).join(', ');
        msg = Em.I18n.t('services.service.delete.service.success.confirmation.plural').format(serviceNames);
      } else {
        serviceNames = App.format.role(this.get('content.serviceName'), true);
        msg = Em.I18n.t('services.service.delete.service.success.confirmation').format(serviceNames);
      }
 
      var progressPopup = this.get('deleteServiceProgressPopup');
      Iif (progressPopup) {
        progressPopup.onClose();
      }
      return App.showAlertPopup(Em.I18n.t('popup.confirmation.commonHeader'), msg, function () {
        window.location.reload();
      });
    },
 
    /**
     * Ajax call to delete service
     * @param {string[]} serviceNames
     * @returns {$.ajax}
     */
    deleteServiceCall: function deleteServiceCall(serviceNames) {
      var serviceToDeleteNow = serviceNames[0];
      Eif (serviceNames.length > 1) {
        var servicesToDeleteNext = serviceNames.slice(1);
      }
      App.Service.find().findProperty('serviceName', serviceToDeleteNow).set('deleteInProgress', true);
      return App.ajax.send({
        name: 'common.delete.service',
        sender: this,
        data: {
          serviceName: serviceToDeleteNow,
          servicesToDeleteNext: servicesToDeleteNext
        },
        success: 'deleteServiceCallSuccessCallback',
        error: 'deleteServiceCallErrorCallback',
        showLoadingPopup: true
      });
    },
 
    deleteServiceCallSuccessCallback: function deleteServiceCallSuccessCallback(data, ajaxOptions, params) {
      if (params.servicesToDeleteNext) {
        this.deleteServiceCall(params.servicesToDeleteNext);
      } else {
        this.saveConfigs();
      }
    },
 
    deleteServiceCallErrorCallback: function deleteServiceCallErrorCallback(jqXHR, ajaxOptions, error, opt) {
      var progressPopup = this.get('deleteServiceProgressPopup');
      if (progressPopup) {
        progressPopup.onClose();
      }
      App.ajax.defaultErrorHandler(jqXHR, opt.url, opt.type, jqXHR.status);
    }
 
  });
});