ambari/ambari-web/app/views/main/dashboard/widgets/hbase_master_uptime.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');
var date = require('utils/date');

App.HBaseMasterUptimeView = App.DashboardWidgetView.extend({

  templateName: require('templates/main/dashboard/widgets/uptime'),
  title: Em.I18n.t('dashboard.widgets.HBaseMasterUptime'),
  id: '23',

  isPieChart: false,
  isText: true,
  isProgressBar: false,
  model_type: 'hbase',
  hiddenInfo: [],
  hiddenInfoClass: "hidden-info-three-line",

  classNameBindings: ['isRed', 'isOrange', 'isGreen', 'isNA'],
  isGreen: function () {
    return this.get('data') != null;
  }.property('data'),
  isOrange: function () {
    return false;
  }.property('data'),
  isRed: function () {
    return false;
  }.property('data'),
  isNA: function () {
    return this.get('data') == null;
  }.property('data'),

  thresh1: 5,
  thresh2: 10,
  maxValue: 'infinity',

  data: function () {
    var uptime = this.get('model.masterStartTime');
    if (uptime && uptime > 0) {
      var uptimeString = this.timeConverter(uptime);
      var diff = (new Date()).getTime() - uptime;
      if (diff < 0) {
        diff = 0;
      }
      var formatted = date.timingFormat(diff); //17.67 days
      var timeUnit = null;
      switch (formatted.split(" ")[1]) {
        case 'secs':
          timeUnit = 's';
          break;
        case 'hours':
          timeUnit = 'hr';
          break;
        case 'days':
          timeUnit = 'd';
          break;
        case 'mins':
          timeUnit = 'min';
          break;
        default:
          timeUnit = formatted.split(" ")[1];
      }
      this.set('timeUnit', timeUnit);
      this.set('hiddenInfo', []);
      this.get('hiddenInfo').pushObject(formatted);
      this.get('hiddenInfo').pushObject(uptimeString[0]);
      this.get('hiddenInfo').pushObject(uptimeString[1]);
      return parseFloat(formatted.split(" ")[0]);
    }
    this.set('hiddenInfo', []);
    this.set('hiddenInfo', ['Hbase Master','Not Running']);
    return null;
  }.property('model.masterStartTime'),

  timeUnit: null,

  content: function () {
    var data = this.get('data');
    if (data) {
      return data.toFixed(1) + ' '+ this.get('timeUnit');
    } else {
      return this.t('services.service.summary.notAvailable');
    }
  }.property('model.masterStartTime'),

  timeConverter: function (timestamp){
    var origin = new Date(timestamp);
    origin = origin.toString();
    var result = [];
    var start = origin.indexOf('GMT');
    if (start == -1) { // ie
      var arr = origin.split(" ");
      result.pushObject(arr[0] + " " + arr[1] + " " + arr[2] + " " + arr[3]);
      var second = '';
      for (var i = 4; i < arr.length; i++) {
        second = second + " " + arr[i];
      }
      result.pushObject(second);
    } else { // other browsers
      var end = origin.indexOf(" ", start);
      result.pushObject(origin.slice(0, start-10));
      result.pushObject(origin.slice(start-9));
    }
    return result;
  }

})