Code coverage report for app/controllers/main/admin/highAvailability/nameNode/step4_controller.js

Statements: 100% (21 / 21)      Branches: 100% (8 / 8)      Functions: 100% (7 / 7)      Lines: 100% (21 / 21)      Ignored: none     

All files » app/controllers/main/admin/highAvailability/nameNode/ » step4_controller.js
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'use strict';
 
;require.register("controllers/main/admin/highAvailability/nameNode/step4_controller", 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');
 
  require('controllers/main/admin/serviceAccounts_controller');
 
  App.HighAvailabilityWizardStep4Controller = Em.Controller.extend({
 
    name: "highAvailabilityWizardStep4Controller",
 
    POLL_INTERVAL: 1000,
 
    isNextEnabled: false,
 
    isNameNodeStarted: true,
 
    pullCheckPointStatus: function pullCheckPointStatus() {
      var hostName = this.get('content.masterComponentHosts').filterProperty('component', 'NAMENODE').findProperty('isInstalled', true).hostName;
      return App.ajax.send({
        name: 'admin.high_availability.getNnCheckPointStatus',
        sender: this,
        data: {
          hostName: hostName
        },
        success: 'checkNnCheckPointStatus'
      });
    },
 
    checkNnCheckPointStatus: function checkNnCheckPointStatus(data) {
      var _this = this;
 
      this.set('isNameNodeStarted', data.HostRoles.desired_state === 'STARTED');
      var isNextEnabled = this.getNnCheckPointStatus(data);
      if (isNextEnabled) {
        this.set('isNextEnabled', true);
        return;
      }
 
      window.setTimeout(function () {
        _this.pullCheckPointStatus();
      }, this.POLL_INTERVAL);
    },
 
    getNnCheckPointStatus: function getNnCheckPointStatus(data) {
      var isInSafeMode = !Em.isEmpty(Em.get(data, 'metrics.dfs.namenode.Safemode'));
      var journalTransactionInfo = $.parseJSON(Em.get(data, 'metrics.dfs.namenode.JournalTransactionInfo'));
      // in case when transaction info absent or invalid return 2 which will return false in next `if` statement
      journalTransactionInfo = !!journalTransactionInfo ? parseInt(journalTransactionInfo.LastAppliedOrWrittenTxId) - parseInt(journalTransactionInfo.MostRecentCheckpointTxId) : 2;
      return journalTransactionInfo <= 1 && isInSafeMode;
    },
 
    done: function done() {
      if (this.get('isNextEnabled')) {
        App.get('router.mainAdminKerberosController').getKDCSessionState(function () {
          App.router.send("next");
        });
      }
    }
 
  });
});