ambari/ambari-admin/src/main/resources/ui/admin-web/app/scripts/controllers/mainCtrl.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.
 */
'use strict';

angular.module('ambariAdminConsole')
.controller('MainCtrl',['$scope', '$window','Auth', 'Alert', '$modal', 'Cluster', 'View', function($scope, $window, Auth, Alert, $modal, Cluster, View) {
  $scope.signOut = function() {
    var data = JSON.parse(localStorage.ambari);
    delete data.app.authenticated;
    delete data.app.loginName;
    delete data.app.user;
    localStorage.ambari = JSON.stringify(data);
    $window.location.pathname = '';
    $scope.hello = "hello";
    Auth.signout();
  };

  $scope.about = function() {
  	var modalInstance = $modal.open({
  		templateUrl:'views/modals/AboutModal.html',
  		controller: ['$scope', function($scope) {
  			$scope.ok = function() {
  				modalInstance.close();
  			};
  		}]
  	});
  };

  $scope.currentUser = Auth.getCurrentUser();

  $scope.cluster = null;
  $scope.isLoaded = null;

  function loadClusterData(){
    Cluster.getStatus().then(function(cluster) {
      $scope.cluster = cluster;
      $scope.isLoaded = true;
      if(cluster && cluster.Clusters.provisioning_state === 'INIT'){
        setTimeout(loadClusterData, 1000);
      }
    }).catch(function(data) {
      Alert.error('Cannot load cluster status', data.statusText);
    });
  }
  loadClusterData();

  $scope.viewInstances = [];
  View.getAllVisibleInstance().then(function(instances) {
    $scope.viewInstances = instances;
  });

  $scope.gotoViewsDashboard =function() {
    window.location = '/#/main/views';
  };

}]);