Code coverage report for app/controllers/main/service/info/configs.js

Statements: 42.07% (122 / 290)      Branches: 35.95% (55 / 153)      Functions: 38.67% (29 / 75)      Lines: 41.84% (118 / 282)      Ignored: none     

All files » app/controllers/main/service/info/ » configs.js
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'use strict';
 
;require.register("controllers/main/service/info/configs", 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');
 
  App.MainServiceInfoConfigsController = Em.Controller.extend(App.AddSecurityConfigs, App.ConfigsLoader, App.ServerValidatorMixin, App.EnhancedConfigsMixin, App.ThemesMappingMixin, App.ConfigsSaverMixin, App.ConfigsComparator, App.ComponentActionsByConfigs, {
 
    name: 'mainServiceInfoConfigsController',
 
    /**
     * Recommendations data will be completed on server side,
     * UI doesn't have to send all cluster data as hosts, configurations, config-groups, etc.
     */
    isRecommendationsAutoComplete: true,
 
    isHostsConfigsPage: false,
 
    isRecommendedLoaded: true,
 
    /**
     * Is true while request to recommendations is in progress
     * @type {Boolean}
     */
    recommendationsInProgress: false,
 
    dataIsLoaded: false,
 
    stepConfigs: [], //contains all field properties that are viewed in this service
 
    selectedService: null,
 
    selectedConfigGroup: null,
 
    groupsStore: App.ServiceConfigGroup.find(),
 
    /**
     * Configs tab for current service
     *
     * @type {App.Tab[]}
     */
    activeServiceTabs: function () {
      var selectedServiceName = this.get('selectedService.serviceName');
      return selectedServiceName ? App.Tab.find().rejectProperty('isCategorized').filterProperty('serviceName', selectedServiceName) : [];
    }.property('selectedService.serviceName'),
 
    /**
     * Currently opened configs tab
     *
     * @type {App.Tab}
     */
    activeTab: Em.computed.findBy('activeServiceTabs', 'isActive', true),
 
    /**
     * config groups for current service
     * @type {App.ConfigGroup[]}
     */
    configGroups: function () {
      return this.get('groupsStore').filterProperty('serviceName', this.get('content.serviceName'));
    }.property('content.serviceName', 'groupsStore.@each.serviceName'),
 
    defaultGroup: function () {
      return this.get('configGroups').findProperty('isDefault');
    }.property('configGroups'),
 
    isNonDefaultGroupSelectedInCompare: function () {
      return this.get('isCompareMode') && this.get('selectedConfigGroup') && !this.get('selectedConfigGroup.isDefault');
    }.property('selectedConfigGroup', 'isCompareMode'),
 
    dependentConfigGroups: function () {
      if (this.get('dependentServiceNames.length') === 0) return [];
      return this.get('groupsStore').filter(function (group) {
        return this.get('dependentServiceNames').contains(group.get('serviceName'));
      }, this);
    }.property('content.serviceName', 'dependentServiceNames', 'groupsStore.length', 'groupsStore.@each.name'),
 
    allConfigs: [],
 
    /**
     * Determines if save configs is in progress
     * @type {boolean}
     */
    saveInProgress: false,
 
    isCompareMode: false,
 
    preSelectedConfigVersion: null,
 
    /**
     * contain Service Config Property, when user proceed from Select Config Group dialog
     */
    overrideToAdd: null,
 
    /**
     * version selected to view
     */
    selectedVersion: null,
 
    /**
     * currently displayed service config version
     * @type {App.ServiceConfigVersion}
     */
    selectedVersionRecord: function () {
      var id = App.serviceConfigVersionsMapper.makeId(this.get('content.serviceName'), this.get('selectedVersion'));
      return App.ServiceConfigVersion.find(id);
    }.property('selectedVersion'),
 
    /**
     * note passed on configs save
     * @type {string}
     */
    serviceConfigVersionNote: '',
 
    versionLoaded: false,
 
    /**
     * Determines when data about config groups is loaded
     * Including recommendations with information about hosts in the each group
     * @type {boolean}
     */
    configGroupsAreLoaded: false,
 
    dependentServiceNames: [],
    /**
     * defines which service configs need to be loaded to stepConfigs
     * @type {string[]}
     */
    servicesToLoad: function () {
      return [this.get('content.serviceName')].concat(this.get('dependentServiceNames')).uniq();
    }.property('content.serviceName', 'dependentServiceNames.length'),
 
    /**
     * @type {boolean}
     */
    isCurrentSelected: function () {
      return App.ServiceConfigVersion.find(this.get('content.serviceName') + "_" + this.get('selectedVersion')).get('isCurrent');
    }.property('selectedVersion', 'content.serviceName', 'dataIsLoaded', 'versionLoaded'),
 
    /**
     * @type {boolean}
     */
    canEdit: function () {
      return (this.get('selectedVersion') == this.get('currentDefaultVersion') || !this.get('selectedConfigGroup.isDefault')) && !this.get('isCompareMode') && App.isAuthorized('SERVICE.MODIFY_CONFIGS');
    }.property('selectedVersion', 'isCompareMode', 'currentDefaultVersion', 'selectedConfigGroup.isDefault'),
 
    serviceConfigs: Em.computed.alias('App.config.preDefinedServiceConfigs'),
 
    /**
     * Number of errors in the configs in the selected service (only for AdvancedTab if App supports Enhanced Configs)
     * @type {number}
     */
    errorsCount: function () {
      return this.get('selectedService.configsWithErrors').filter(function (c) {
        return Em.isNone(c.get('isInDefaultTheme'));
      }).length;
    }.property('selectedService.configsWithErrors'),
 
    /**
     * Determines if Save-button should be disabled
     * Disabled if some configs have invalid values for selected service
     * or save-process currently in progress
     *
     * @type {boolean}
     */
    isSubmitDisabled: function () {
      if (!this.get('selectedService')) return true;
      return this.get('selectedService').get('errorCount') !== 0 || this.get('saveInProgress') || this.get('recommendationsInProgress');
    }.property('selectedService.errorCount', 'saveInProgress', 'recommendationsInProgress'),
 
    /**
     * Determines if some config value is changed
     * @type {boolean}
     */
    isPropertiesChanged: Em.computed.alias('selectedService.isPropertiesChanged'),
 
    /**
     * Filter text will be located here
     * @type {string}
     */
    filter: '',
 
    /**
     * List of filters for config properties to populate filter combobox
     * @type {{attributeName: string, attributeValue: boolean, caption: string}[]}
     */
    propertyFilters: [{
      attributeName: 'isOverridden',
      attributeValue: true,
      caption: 'common.combobox.dropdown.overridden',
      dependentOn: 'isNonDefaultGroupSelectedInCompare',
      disabledOnCondition: 'isNonDefaultGroupSelectedInCompare'
    }, {
      attributeName: 'isFinal',
      attributeValue: true,
      caption: 'common.combobox.dropdown.final'
    }, {
      attributeName: 'hasCompareDiffs',
      attributeValue: true,
      caption: 'common.combobox.dropdown.changed',
      dependentOn: 'isCompareMode',
      canBeExcluded: true
    }, {
      attributeName: 'hasIssues',
      attributeValue: true,
      caption: 'common.combobox.dropdown.issues'
    }],
 
    /**
     * Dropdown menu items in filter combobox
     * @type {{attributeName: string, attributeValue: string, name: string, selected: boolean}[]}
     */
    filterColumns: function () {
      var filterColumns = [];
 
      this.get('propertyFilters').forEach(function (filter) {
        if (filter.canBeExcluded && !(Em.isNone(filter.dependentOn) || this.get(filter.dependentOn))) {
          return; // exclude column
        }
        filterColumns.push(Ember.Object.create({
          attributeName: filter.attributeName,
          attributeValue: filter.attributeValue,
          name: this.t(filter.caption),
          selected: filter.dependentOn ? this.get(filter.dependentOn) : false,
          isDisabled: filter.disabledOnCondition ? this.get(filter.disabledOnCondition) : false
        }));
      }, this);
      return filterColumns;
    }.property('propertyFilters', 'isCompareMode', 'isNonDefaultGroupSelectedInCompare'),
 
    /**
     * Detects of some of the `password`-configs has not default value
     *
     * @type {boolean}
     */
    passwordConfigsAreChanged: function () {
      return this.get('stepConfigs').findProperty('serviceName', this.get('selectedService.serviceName')).get('configs').filterProperty('displayType', 'password').someProperty('isNotDefaultValue');
    }.property('stepConfigs.@each.configs', 'selectedService.serviceName'),
 
    /**
     * indicate whether service config version belongs to default config group
     * @param {object} version
     * @return {Boolean}
     * @private
     * @method isVersionDefault
     */
    isVersionDefault: function isVersionDefault(version) {
      return App.ServiceConfigVersion.find(this.get('content.serviceName') + "_" + version).get('groupName') === App.ServiceConfigGroup.defaultGroupName;
    },
 
    /**
     * clear and set properties to default value
     * @method clearStep
     */
    clearStep: function clearStep() {
      this.abortRequests();
      App.set('componentToBeAdded', {});
      App.set('componentToBeDeleted', {});
      this.clearLoadInfo();
      this.clearSaveInfo();
      this.clearRecommendations();
      this.setProperties({
        saveInProgress: false,
        isInit: true,
        hash: null,
        dataIsLoaded: false,
        versionLoaded: false,
        filter: '',
        serviceConfigVersionNote: '',
        dependentServiceNames: [],
        configGroupsAreLoaded: false
      });
      this.get('filterColumns').setEach('selected', false);
      this.clearConfigs();
    },
 
    clearConfigs: function clearConfigs() {
      this.get('selectedConfigGroup', null);
      this.get('allConfigs').invoke('destroy');
      this.get('stepConfigs').invoke('destroy');
      this.set('stepConfigs', []);
      this.set('allConfigs', []);
      this.set('selectedService', null);
    },
 
    /**
     * "Finger-print" of the <code>stepConfigs</code>. Filled after first configGroup selecting
     * Used to determine if some changes were made (when user navigates away from this page)
     * @type {String|null}
     */
    hash: null,
 
    /**
     * Is this initial config group changing
     * @type {Boolean}
     */
    isInit: true,
 
    /**
     * Returns dependencies at all levels for service including dependencies for its childs, children dependencies
     * and so on.
     *
     * @param  {String} serviceName name of services to get dependencies
     * @returns {String[]}
     */
    getServicesDependencies: function getServicesDependencies(serviceName) {
      var dependencies = Em.getWithDefault(App.StackService.find(serviceName), 'dependentServiceNames', []);
      var loop = function loop(dependentServices, allDependencies) {
        return dependentServices.reduce(function (all, name) {
          var service = App.StackService.find(name);
          Iif (!service) {
            return all;
          }
          var serviceDependencies = service.get('dependentServiceNames');
          if (!serviceDependencies.length) {
            return all.concat(name);
          }
          var missed = _.intersection(_.difference(serviceDependencies, all), serviceDependencies);
          if (missed.length) {
            return loop(missed, all.concat(missed));
          }
          return all;
        }, allDependencies || dependentServices);
      };
 
      return loop(dependencies).uniq().without(serviceName).toArray();
    },
 
    /**
     * On load function
     * @method loadStep
     */
    loadStep: function loadStep() {
      var serviceName = this.get('content.serviceName'),
          self = this;
      this.clearStep();
      this.set('dependentServiceNames', this.getServicesDependencies(serviceName));
      this.trackRequestChain(this.loadConfigTheme(serviceName).always(function () {
        Iif (self.get('preSelectedConfigVersion')) {
          self.loadPreSelectedConfigVersion();
        } else {
          self.loadCurrentVersions();
        }
        self.trackRequest(self.loadServiceConfigVersions());
      }));
    },
 
    saveConfigs: function saveConfigs() {
      var newVersionToBeCreated = Math.max.apply(null, App.ServiceConfigVersion.find().mapProperty('version')) + 1;
      var isDefault = this.get('selectedConfigGroup.name') === App.ServiceConfigGroup.defaultGroupName;
      this.set('currentDefaultVersion', isDefault ? newVersionToBeCreated : this.get('currentDefaultVersion'));
      this._super();
    },
 
    /**
     * Generate "finger-print" for current <code>stepConfigs[0]</code>
     * Used to determine, if user has some unsaved changes (comparing with <code>hash</code>)
     * @returns {string|null}
     * @method getHash
     */
    getHash: function getHash() {
      if (!this.get('selectedService.configs.length')) {
        return null;
      }
      var hash = {};
      var sortedProperties = this.get('selectedService.configs').slice().sort(function (a, b) {
        var first = a.get('id') || App.config.configId(a.get('name'), a.get('filename'));
        var second = b.get('id') || App.config.configId(b.get('name'), b.get('filename'));
        if (first < second) return -1;
        Eif (first > second) return 1;
        return 0;
      });
      sortedProperties.forEach(function (config) {
        var configId = '';
        if (config.isRequiredByAgent) {
          configId = config.get('id') || App.config.configId(config.get('name'), config.get('filename'));
          hash[configId] = {
            value: App.config.formatPropertyValue(config),
            overrides: [],
            isFinal: config.get('isFinal')
          };
          Eif (!config.get('overrides')) return;
          if (!config.get('overrides.length')) return;
 
          config.get('overrides').forEach(function (override) {
            hash[configId].overrides.push(App.config.formatPropertyValue(override));
          });
        }
      });
      return JSON.stringify(hash);
    },
 
    parseConfigData: function parseConfigData(data) {
      var _this = this;
 
      this.loadKerberosIdentitiesConfigs().done(function (identityConfigs) {
        _this.prepareConfigObjects(data, identityConfigs);
        _this.loadCompareVersionConfigs(_this.get('allConfigs')).done(function () {
          _this.addOverrides(data, _this.get('allConfigs'));
          _this.onLoadOverrides(_this.get('allConfigs'));
          _this.updateAttributesFromTheme(_this.get('content.serviceName'));
        });
      });
    },
 
    prepareConfigObjects: function prepareConfigObjects(data, identitiesMap) {
      this.get('stepConfigs').clear();
 
      var configs = [];
      data.items.forEach(function (version) {
        if (version.group_name === App.ServiceConfigGroup.defaultGroupName) {
          version.configurations.forEach(function (configObject) {
            configs = configs.concat(App.config.getConfigsFromJSON(configObject, true));
          });
        }
      });
 
      configs = App.config.sortConfigs(configs);
      /**
       * if property defined in stack but somehow it missed from cluster properties (can be after stack upgrade)
       * ui should add this properties to step configs
       */
      configs = this.mergeWithStackProperties(configs);
 
      var filenames = configs.mapProperty('fileName').uniq();
      //put properties from capacity-scheduler.xml into one config with textarea view
      if (filenames.contains('capacity-scheduler.xml')) {
        configs = App.config.addYarnCapacityScheduler(configs);
      }
 
      this.setPropertyIsVisible(configs);
      this.setPropertyIsEditable(configs, identitiesMap);
      this.set('allConfigs', configs);
    },
 
    setPropertyIsVisible: function setPropertyIsVisible(configs) {
      if (this.get('content.serviceName') === 'KERBEROS') {
        var kdc_type = configs.findProperty('name', 'kdc_type');
        if (kdc_type.get('value') === 'none') {
          configs.findProperty('name', 'kdc_hosts').set('isVisible', false);
          configs.findProperty('name', 'admin_server_host').set('isVisible', false);
          configs.findProperty('name', 'domains').set('isVisible', false);
        } else if (kdc_type.get('value') === 'active-directory') {
          configs.findProperty('name', 'container_dn').set('isVisible', true);
          configs.findProperty('name', 'ldap_url').set('isVisible', true);
        } else if (kdc_type.get('value') === 'ipa') {
          configs.findProperty('name', 'group').set('isVisible', true);
          configs.findProperty('name', 'manage_krb5_conf').set('value', false); //TODO
          configs.findProperty('name', 'install_packages').set('value', false); //TODO
          configs.findProperty('name', 'admin_server_host').set('isVisible', false);
          configs.findProperty('name', 'domains').set('isVisible', false);
        }
      }
    },
 
    /**
     * Set <code>isEditable<code> property based on selected group, security
     * and controller restriction
     * @param configs
     * @param identitiesMap
     */
    setPropertyIsEditable: function setPropertyIsEditable(configs, identitiesMap) {
      if (!this.get('selectedConfigGroup.isDefault') || !this.get('canEdit')) {
        configs.setEach('isEditable', false);
      } else if (App.get('isKerberosEnabled')) {
        configs.forEach(function (c) {
          if (identitiesMap[c.get('id')]) {
            c.set('isConfigIdentity', true);
            c.set('isEditable', false);
            c.set('isSecureConfig', true);
            c.set('description', App.config.kerberosIdentitiesDescription(c.get('description')));
          }
        });
      }
    },
 
    /**
     * Load config Identities
     *
     * @returns {*}
     */
    loadKerberosIdentitiesConfigs: function loadKerberosIdentitiesConfigs() {
      var dfd = $.Deferred();
      if (App.get('isKerberosEnabled')) {
        this.loadClusterDescriptorConfigs().then(function (kerberosDescriptor) {
          dfd.resolve(App.config.parseDescriptor(kerberosDescriptor));
        });
      } else {
        dfd.resolve(true);
      }
      return dfd.promise();
    },
 
    /**
     * adds properties form stack that doesn't belong to cluster
     * to step configs
     * also set recommended value if isn't exists
     *
     * @return {App.ServiceConfigProperty[]}
     * @method mergeWithStackProperties
     */
    mergeWithStackProperties: function mergeWithStackProperties(configs) {
      App.config.getPropertiesFromTheme(this.get('content.serviceName')).forEach(function (advanced_id) {
        if (!configs.someProperty('id', advanced_id)) {
          var advanced = App.configsCollection.getConfig(advanced_id);
          if (advanced) {
            advanced.savedValue = null;
            advanced.isNotSaved = advanced.isRequiredByAgent;
            configs.pushObject(App.ServiceConfigProperty.create(advanced));
          }
        }
      });
      return configs;
    },
 
    addOverrides: function addOverrides(data, allConfigs) {
      var self = this;
      data.items.forEach(function (group) {
        if (![App.ServiceConfigGroup.defaultGroupName, App.ServiceConfigGroup.deletedGroupName].contains(group.group_name)) {
          var configGroup = App.ServiceConfigGroup.find().filterProperty('serviceName', group.service_name).findProperty('name', group.group_name);
          group.configurations.forEach(function (config) {
            for (var prop in config.properties) {
              var fileName = App.config.getOriginalFileName(config.type);
              var serviceConfig = allConfigs.filterProperty('name', prop).findProperty('filename', fileName);
              if (serviceConfig) {
                var value = App.config.formatPropertyValue(serviceConfig, config.properties[prop]);
                var isFinal = !!(config.properties_attributes && config.properties_attributes.final && config.properties_attributes.final[prop]);
                var overridePlainObject = {
                  "value": value,
                  "isVisible": self.get('selectedConfigGroup.isDefault') || configGroup.get('name') === self.get('selectedConfigGroup.name'),
                  "savedValue": value,
                  "isFinal": isFinal,
                  "savedIsFinal": isFinal,
                  "isEditable": self.get('canEdit') && configGroup.get('name') === self.get('selectedConfigGroup.name')
                };
                App.config.createOverride(serviceConfig, overridePlainObject, configGroup);
              } else {
                var isEditable = self.get('canEdit') && configGroup.get('name') === self.get('selectedConfigGroup.name');
                var propValue = config.properties[prop];
                var newConfig = App.ServiceConfigProperty.create(App.config.createDefaultConfig(prop, fileName, false, {
                  overrides: [],
                  displayType: 'label',
                  value: 'Undefined',
                  isPropertyOverridable: false,
                  overrideValues: [propValue],
                  overrideIsFinalValues: [false]
                }));
                newConfig.get('overrides').push(App.config.createCustomGroupConfig({
                  propertyName: prop,
                  filename: fileName,
                  value: propValue,
                  savedValue: propValue,
                  isEditable: isEditable
                }, configGroup));
                allConfigs.push(newConfig);
              }
            }
          });
        }
      });
    },
 
    /**
     * @param allConfigs
     * @private
     * @method onLoadOverrides
     */
    onLoadOverrides: function onLoadOverrides(allConfigs) {
      this.get('servicesToLoad').forEach(function (serviceName) {
        var configGroups = serviceName === this.get('content.serviceName') ? this.get('configGroups') : this.get('dependentConfigGroups').filterProperty('serviceName', serviceName);
        var configTypes = App.StackService.find(serviceName).get('configTypeList');
        var configsByService = this.get('allConfigs').filter(function (c) {
          return configTypes.contains(App.config.getConfigTagFromFileName(c.get('filename')));
        });
        var serviceConfig = App.config.createServiceConfig(serviceName, configGroups, configsByService, configsByService.length);
        this.addHostNamesToConfigs(serviceConfig);
        this.get('stepConfigs').pushObject(serviceConfig);
      }, this);
 
      var selectedService = this.get('stepConfigs').findProperty('serviceName', this.get('content.serviceName'));
      this.set('selectedService', selectedService);
      this.checkOverrideProperty(selectedService);
 
      var isRangerPresent = App.Service.find().someProperty('serviceName', 'RANGER');
      if (isRangerPresent) {
        App.router.get('mainServiceInfoSummaryController').updateRangerPluginsStatus();
        this.setVisibilityForRangerProperties(selectedService);
        this.loadConfigRecommendations(null, this._onLoadComplete.bind(this));
        App.loadTimer.finish('Service Configs Page');
      } else {
        var mainController = App.get('router.mainController');
        var clusterController = App.get('router.clusterController');
        var self = this;
        mainController.isLoading.call(clusterController, 'clusterEnv').done(function () {
          var isExternalRangerSetup = clusterController.get("clusterEnv")["properties"]["enable_external_ranger"];
          if (isExternalRangerSetup) {
            self.setVisibilityForRangerProperties(selectedService);
          } else {
            App.config.removeRangerConfigs(self.get('stepConfigs'));
          }
          self.loadConfigRecommendations(null, self._onLoadComplete.bind(self));
          App.loadTimer.finish('Service Configs Page');
        });
      }
    },
 
    /**
     * @method _getRecommendationsForDependenciesCallback
     */
    _onLoadComplete: function _onLoadComplete() {
      this.get('stepConfigs').forEach(function (serviceConfig) {
        serviceConfig.set('initConfigsLength', serviceConfig.get('configs.length'));
      });
      this.setProperties({
        dataIsLoaded: true,
        versionLoaded: true,
        isInit: false,
        hash: this.getHash()
      });
    },
 
    /**
     * hide properties from Advanced ranger category that match pattern
     * if property with dependentConfigPattern is false otherwise don't hide
     * @param serviceConfig
     * @private
     * @method setVisibilityForRangerProperties
     */
    setVisibilityForRangerProperties: function setVisibilityForRangerProperties(serviceConfig) {
      var category = "Advanced ranger-{0}-plugin-properties".format(this.get('content.serviceName').toLowerCase());
      if (serviceConfig.configCategories.findProperty('name', category)) {
        var patternConfig = serviceConfig.configs.findProperty('dependentConfigPattern');
        if (patternConfig) {
          var value = patternConfig.get('value') === true || ["yes", "true"].contains(patternConfig.get('value').toLowerCase());
 
          serviceConfig.configs.filter(function (c) {
            if (c.get('category') === category && c.get('name').match(patternConfig.get('dependentConfigPattern')) && c.get('name') !== patternConfig.get('name')) c.set('isVisible', value);
          });
        }
      }
    },
 
    /**
     * Allow update property if recommendations
     * is based on changing property
     *
     * @param parentProperties
     * @returns {boolean}
     * @override
     */
    allowUpdateProperty: function allowUpdateProperty(parentProperties) {
      return !!(parentProperties && parentProperties.length);
    },
 
    /**
     * trigger App.config.createOverride
     * @param {Object[]} stepConfig
     * @private
     * @method checkOverrideProperty
     */
    checkOverrideProperty: function checkOverrideProperty(stepConfig) {
      var overrideToAdd = this.get('overrideToAdd');
      var value = !!this.get('overrideToAdd.widget') ? Em.get(overrideToAdd, 'value') : '';
      if (overrideToAdd) {
        overrideToAdd = stepConfig.configs.filter(function (c) {
          return c.name == overrideToAdd.name && c.filename === overrideToAdd.filename;
        });
        if (overrideToAdd[0]) {
          App.config.createOverride(overrideToAdd[0], { "isEditable": true, "value": value }, this.get('selectedConfigGroup'));
          this.set('overrideToAdd', null);
        }
      }
    },
 
    /**
     *
     * @param serviceConfig
     */
    addHostNamesToConfigs: function addHostNamesToConfigs(serviceConfig) {
      serviceConfig.get('configCategories').forEach(function (c) {
        if (c.showHost) {
          var stackComponent = App.StackServiceComponent.find(c.name),
              value = this.getComponentHostValue(c.name);
          var hProperty = App.config.createHostNameProperty(serviceConfig.get('serviceName'), c.name, value, stackComponent);
          serviceConfig.get('configs').push(App.ServiceConfigProperty.create(hProperty));
        }
      }, this);
    },
 
    /**
     * Method to get host for master or slave component
     *
     * @param componentName
     * @returns {Array}
     */
    getComponentHostValue: function getComponentHostValue(componentName) {
      var stackComponent = App.StackServiceComponent.find(componentName);
      var component = stackComponent.get('isMaster') ? App.MasterComponent.find(componentName) : App.SlaveComponent.find(componentName);
      return component.get('hostNames') || [];
    },
 
    /**
     * Trigger loadSelectedVersion
     * @method doCancel
     */
    doCancel: function doCancel() {
      this.set('preSelectedConfigVersion', null);
      App.set('componentToBeAdded', {});
      App.set('componentToBeDeleted', {});
      this.clearRecommendations();
      this.loadSelectedVersion(this.get('selectedVersion'), this.get('selectedConfigGroup'));
    },
 
    /**
     * trigger restartAllServiceHostComponents(batchUtils) if confirmed in popup
     * @method restartAllStaleConfigComponents
     * @return App.showConfirmationFeedBackPopup
     */
    restartAllStaleConfigComponents: function restartAllStaleConfigComponents() {
      var self = this;
      var serviceDisplayName = this.get('content.displayName');
      var bodyMessage = Em.Object.create({
        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
      });
 
      var isNNAffected = false;
      var restartRequiredHostsAndComponents = this.get('content.restartRequiredHostsAndComponents');
      for (var hostName in restartRequiredHostsAndComponents) {
        restartRequiredHostsAndComponents[hostName].forEach(function (hostComponent) {
          if (hostComponent === 'NameNode') isNNAffected = true;
        });
      }
      if (this.get('content.serviceName') === 'HDFS' && isNNAffected && this.get('content.hostComponents').filterProperty('componentName', 'NAMENODE').someProperty('workStatus', App.HostComponentStatus.started)) {
        App.router.get('mainServiceItemController').checkNnLastCheckpointTime(function () {
          return App.showConfirmationFeedBackPopup(function (query) {
            var selectedService = self.get('content.id');
            batchUtils.restartAllServiceHostComponents(serviceDisplayName, selectedService, true, query);
          }, bodyMessage);
        });
      } else {
        return App.showConfirmationFeedBackPopup(function (query) {
          var selectedService = self.get('content.id');
          batchUtils.restartAllServiceHostComponents(serviceDisplayName, selectedService, true, query);
        }, bodyMessage);
      }
    },
 
    /**
     * trigger launchHostComponentRollingRestart(batchUtils)
     * @method rollingRestartStaleConfigSlaveComponents
     */
    rollingRestartStaleConfigSlaveComponents: function rollingRestartStaleConfigSlaveComponents(componentName) {
      batchUtils.launchHostComponentRollingRestart(componentName.context, this.get('content.displayName'), this.get('content.passiveState') === "ON", true);
    },
 
    /**
     * trigger showItemsShouldBeRestarted popup with hosts that requires restart
     * @param {{context: object}} event
     * @method showHostsShouldBeRestarted
     */
    showHostsShouldBeRestarted: function showHostsShouldBeRestarted(event) {
      var restartRequiredHostsAndComponents = event.context.restartRequiredHostsAndComponents;
      var hosts = [];
      for (var hostName in restartRequiredHostsAndComponents) {
        hosts.push(hostName);
      }
      var hostsText = hosts.length === 1 ? Em.I18n.t('common.host') : Em.I18n.t('common.hosts');
      hosts = hosts.join(', ');
      this.showItemsShouldBeRestarted(hosts, Em.I18n.t('service.service.config.restartService.shouldBeRestarted').format(hostsText));
    },
 
    /**
     * trigger showItemsShouldBeRestarted popup with components that requires restart
     * @param {{context: object}} event
     * @method showComponentsShouldBeRestarted
     */
    showComponentsShouldBeRestarted: function showComponentsShouldBeRestarted(event) {
      var restartRequiredHostsAndComponents = event.context.restartRequiredHostsAndComponents;
      var hostsComponets = [];
      var componentsObject = {};
      for (var hostName in restartRequiredHostsAndComponents) {
        restartRequiredHostsAndComponents[hostName].forEach(function (hostComponent) {
          hostsComponets.push(hostComponent);
          if (componentsObject[hostComponent] != undefined) {
            componentsObject[hostComponent]++;
          } else {
            componentsObject[hostComponent] = 1;
          }
        });
      }
      var componentsList = [];
      for (var obj in componentsObject) {
        var componentDisplayName = componentsObject[obj] > 1 ? obj + 's' : obj;
        componentsList.push(componentsObject[obj] + ' ' + componentDisplayName);
      }
      var componentsText = componentsList.length === 1 ? Em.I18n.t('common.component') : Em.I18n.t('common.components');
      hostsComponets = componentsList.join(', ');
      this.showItemsShouldBeRestarted(hostsComponets, Em.I18n.t('service.service.config.restartService.shouldBeRestarted').format(componentsText));
    },
 
    /**
     * Show popup with selectable (@see App.SelectablePopupBodyView) list of items
     * @param {string} content string with comma-separated list of hostNames or componentNames
     * @param {string} header popup header
     * @returns {App.ModalPopup}
     * @method showItemsShouldBeRestarted
     */
    showItemsShouldBeRestarted: function showItemsShouldBeRestarted(content, header) {
      return App.ModalPopup.show({
        content: content,
        header: header,
        bodyClass: App.SelectablePopupBodyView,
        secondary: null
      });
    },
 
    /**
     * trigger manageConfigurationGroups
     * @method manageConfigurationGroup
     */
    manageConfigurationGroup: function manageConfigurationGroup() {
      App.router.get('manageConfigGroupsController').manageConfigurationGroups(null, this.get('content'));
    },
 
    /**
     * If user changes cfg group if some configs was changed popup with propose to save changes must be shown
     * @param {object} event - triggered event for selecting another config-group
     * @method selectConfigGroup
     */
    selectConfigGroup: function selectConfigGroup(event) {
      var self = this;
 
      function callback() {
        self.doSelectConfigGroup(event);
      }
 
      if (!this.get('isInit')) {
        if (this.hasUnsavedChanges()) {
          this.showSavePopup(null, callback);
          return;
        }
      }
      callback();
    },
 
    /**
     * switch view to selected group
     * @param event
     * @method selectConfigGroup
     */
    doSelectConfigGroup: function doSelectConfigGroup(event) {
      App.loadTimer.start('Service Configs Page');
      var configGroupVersions = App.ServiceConfigVersion.find().filterProperty('groupId', event.context.get('id'));
      //check whether config group has config versions
      if (event.context.get('isDefault')) {
        this.loadCurrentVersions();
      } else if (configGroupVersions.length > 0) {
        this.loadSelectedVersion(configGroupVersions.findProperty('isCurrent').get('version'), event.context);
      } else {
        this.loadSelectedVersion(null, event.context);
      }
    }
  });
});