ambari/ambari-web/app/controllers/main/admin/highAvailability/step9_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.HighAvailabilityWizardStep9Controller = App.HighAvailabilityProgressPageController.extend({

  name:"highAvailabilityWizardStep9Controller",

  commands: ['startSecondNameNode', 'installZKFC', 'startZKFC', 'reconfigureHBase', 'startAllServices', 'deleteSNameNode'],

  clearStep: function () {
    this._super();
    if (!App.Service.find().someProperty('serviceName', 'HBASE')) {
      this.get('tasks').splice(this.get('tasks').findProperty('command', 'reconfigureHBase').get('id'), 1);
    }
  },

  startSecondNameNode: function () {
    var hostName = this.get('content.masterComponentHosts').findProperty('isAddNameNode', true).hostName;
    this.startComponent('NAMENODE', hostName);
  },

  installZKFC: function () {
    App.ajax.send({
      name: 'admin.high_availability.create_zkfc',
      sender: this,
      success: 'onZKFCCreate',
      error: 'onZKFCCreate'
    });
  },

  onZKFCCreate: function () {
    var hostName = this.get('content.masterComponentHosts').filterProperty('component', 'NAMENODE').mapProperty('hostName');
    this.createComponent('ZKFC', hostName);
  },

  startZKFC: function () {
    var hostName = this.get('content.masterComponentHosts').filterProperty('component', 'NAMENODE').mapProperty('hostName');
    this.startComponent('ZKFC', hostName);
  },

  reconfigureHBase: function () {
    this.loadConfigsTags();
  },

  loadConfigsTags: function () {
    App.ajax.send({
      name: 'config.tags',
      sender: this,
      success: 'onLoadConfigsTags',
      error: 'onTaskError'
    });
  },

  onLoadConfigsTags: function (data) {
    var hbaseSiteTag = data.Clusters.desired_configs['hbase-site'].tag;
    App.ajax.send({
      name: 'admin.high_availability.load_hbase_configs',
      sender: this,
      data: {
        hbaseSiteTag: hbaseSiteTag
      },
      success: 'onLoadConfigs',
      error: 'onTaskError'
    });
  },

  onLoadConfigs: function (data) {
    var hbaseSiteProperties = data.items.findProperty('type', 'hbase-site').properties;
    var nameServiceId = this.get('content.nameServiceId');

    //hbase-site configs changes
    hbaseSiteProperties['hbase.rootdir'] = hbaseSiteProperties['hbase.rootdir'].replace(/\/\/[^\/]*/, '//' + nameServiceId);

    App.ajax.send({
      name: 'admin.high_availability.save_configs',
      sender: this,
      data: {
        siteName: 'hbase-site',
        properties: hbaseSiteProperties
      },
      success: 'onTaskCompleted',
      error: 'onTaskError'
    });
  },

  startAllServices: function () {
    App.ajax.send({
      name: 'admin.high_availability.start_all_services',
      sender: this,
      success: 'startPolling',
      error: 'onTaskError'
    });
  },

  deleteSNameNode: function () {
    var hostName = this.get('content.masterComponentHosts').findProperty('component', 'SECONDARY_NAMENODE').hostName;
    App.ajax.send({
      name: 'admin.high_availability.delete_snamenode',
      sender: this,
      data: {
        hostName: hostName
      },
      success: 'onTaskCompleted',
      error: 'onTaskError'
    });
  }

});