ambari/ambari-web/app/controllers/main/admin/highAvailability/resourceManager/step3_controller.js

/**
 * 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');

App.RMHighAvailabilityWizardStep3Controller = Em.Controller.extend({
  name: "rMHighAvailabilityWizardStep3Controller",

  selectedService: null,

  versionLoaded: true,

  loadStep: function () {
    this.renderConfigs();
  },

  /**
   * Render configs to show them in <code>App.ServiceConfigView</code>
   */
  renderConfigs: function () {

    var configs = $.extend(true, {}, require('data/HDP2/rm_ha_properties').haConfig);

    var serviceConfig = App.ServiceConfig.create({
      serviceName: configs.serviceName,
      displayName: configs.displayName,
      configCategories: [],
      showConfig: true,
      configs: []
    });

    configs.configCategories.forEach(function (configCategory) {
      if (App.Service.find().someProperty('serviceName', configCategory.name)) {
        serviceConfig.configCategories.pushObject(configCategory);
      }
    }, this);

    this.renderConfigProperties(configs, serviceConfig);
    this.setDynamicConfigValues(serviceConfig);

    this.set('selectedService', serviceConfig);
  },

  /**
   * Set values dependent on host selection
   * @param configs
   */
  setDynamicConfigValues: function (configs) {
    var configProperties = configs.configs;
    var currentRMHost = this.get('content.rmHosts.currentRM');
    var additionalRMHost = this.get('content.rmHosts.additionalRM');
    var zooKeeperHosts = App.HostComponent.find().filterProperty('componentName', 'ZOOKEEPER_SERVER').mapProperty('host.hostName').join(',');
    configProperties.findProperty('name', 'yarn.resourcemanager.hostname.rm1').set('value', currentRMHost).set('defaultValue', currentRMHost);
    configProperties.findProperty('name', 'yarn.resourcemanager.hostname.rm2').set('value', additionalRMHost).set('defaultValue', additionalRMHost);
    configProperties.findProperty('name', 'yarn.resourcemanager.zk-address').set('value', zooKeeperHosts).set('defaultValue', zooKeeperHosts);
  },

  /**
   * Load child components to service config object
   * @param _componentConfig
   * @param componentConfig
   */
  renderConfigProperties: function (_componentConfig, componentConfig) {
    _componentConfig.configs.forEach(function (_serviceConfigProperty) {
      var serviceConfigProperty = App.ServiceConfigProperty.create(_serviceConfigProperty);
      componentConfig.configs.pushObject(serviceConfigProperty);
      serviceConfigProperty.set('isEditable', serviceConfigProperty.get('isReconfigurable'));
      serviceConfigProperty.validate();
    }, this);
  }
});