ambari-web/app/utils/configs/hawq_activate_standby_config_initializer.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');
require('utils/configs/config_initializer_class');
require('utils/configs/hosts_based_initializer_mixin');

/**
 * Initializer for configs that are updated when Hawq Standby is added
 *
 * @class {HawqActivateStandbyConfigInitializer}
 */
App.HawqActivateStandbyConfigInitializer = App.HaConfigInitializerClass.create(App.HostsBasedInitializerMixin, {

  initializers: function () {
    return {
      'hawq_master_address_host': this.getHostWithPortConfig('HAWQSTANDBY', true, '', '', '')
    };
  }.property(),


  /**
   * @override
   * @param {object} settings
   */
  setup: function (settings) {
    this._updateInitializers(settings);
  },

  /**
   * @override
   */
  cleanup: function () {
    this._restoreInitializers();
  }


});