ambari/ambari-web/app/controllers/main/service/reassign/step7_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.ReassignMasterWizardStep7Controller = App.ReassignMasterWizardStep4Controller.extend({
  name: 'reassignMasterWizardStep7Controller',
  isReassign: true,
  commands: ['putHostComponentsInMaintenanceMode', 'deleteHostComponents', 'cleanMySqlServer', 'configureMySqlServer', 'startServices'],
  clusterDeployState: 'REASSIGN_MASTER_INSTALLING',
  multiTaskCounter: 0,

  initializeTasks: function () {

    var commands = this.get('commands');
    var hostComponentsNames = this.getHostComponentsNames();

    for (var i = 0; i < commands.length; i++) {
      var TaskLabel = i === 3 ? this.get('serviceName') : hostComponentsNames; //For Reconfigure task, show serviceName
      var title = Em.I18n.t('services.reassign.step4.tasks.' + commands[i] + '.title').format(TaskLabel);
      this.get('tasks').pushObject(Ember.Object.create({
        title: title,
        status: 'PENDING',
        id: i,
        command: commands[i],
        showRetry: false,
        showRollback: false,
        name: title,
        displayName: title,
        progress: 0,
        isRunning: false,
        hosts: []
      }));
    }

    this.removeUnneededTasks();
  },

  putHostComponentsInMaintenanceMode: function () {
    this.set('multiTaskCounter', 0);
    var hostComponents = this.get('hostComponents');
    var hostName = this.get('content.reassignHosts.target');
    for (var i = 0; i < hostComponents.length; i++) {
      App.ajax.send({
        name: 'common.host.host_component.passive',
        sender: this,
        data: {
          hostName: hostName,
          passive_state: "ON",
          componentName: hostComponents[i]
        },
        success: 'onComponentsTasksSuccess',
        error: 'onTaskError'
      });
    }
  },

  deleteHostComponents: function () {
    this.set('multiTaskCounter', 0);
    var hostComponents = this.get('hostComponents');
    var hostName = this.get('content.reassignHosts.target');
    for (var i = 0; i < hostComponents.length; i++) {
      App.ajax.send({
        name: 'common.delete.host_component',
        sender: this,
        data: {
          hostName: hostName,
          componentName: hostComponents[i]
        },
        success: 'onComponentsTasksSuccess',
        error: 'onDeleteHostComponentsError'
      });
    }
  }
});