branch-1.2/ambari-web/app/controllers/wizard.js - incubator-ambari - Git at Google

 /**
  * 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.WizardController = Em.Controller.extend({

   isStepDisabled: null,

   init: function () {
     this.set('isStepDisabled', []);
     this.clusters = App.Cluster.find();
     this.isStepDisabled.pushObject(Ember.Object.create({
       step: 1,
       value: false
     }));
     for (var i = 2; i <= this.get('totalSteps'); i++) {
       this.isStepDisabled.pushObject(Ember.Object.create({
         step: i,
         value: true
       }));
     }
     // window.onbeforeunload = function () {
     // return "You have not saved your document yet.  If you continue, your work will not be saved."
     //}
   },

   setStepsEnable: function () {
     for (var i = 1; i <= this.totalSteps; i++) {
       var step = this.get('isStepDisabled').findProperty('step', i);
       if (i <= this.get('currentStep')) {
         step.set('value', false);
       } else {
         step.set('value', true);
       }
     }
   }.observes('currentStep'),

   setLowerStepsDisable: function (stepNo) {
     for (var i = 1; i < stepNo; i++) {
       var step = this.get('isStepDisabled').findProperty('step', i);
       step.set('value', true);
     }
   },

   prevInstallStatus: function () {
     console.log('Inside the prevInstallStep function: The name is ' + App.router.get('loginController.loginName'));
     var result = App.db.isCompleted()
     if (result == '1') {
       return true;
     }
   }.property('App.router.loginController.loginName'),

   /**
    * Set current step to new value.
    * Method moved from App.router.setInstallerCurrentStep
    * @param currentStep
    * @param completed
    */
   currentStep: function () {
     return App.get('router').getWizardCurrentStep(this.get('name').substr(0, this.get('name').length - 10));
   }.property(),

   /**
    * Set current step to new value.
    * Method moved from App.router.setInstallerCurrentStep
    * @param currentStep
    * @param completed
    */
   setCurrentStep: function (currentStep, completed) {
     App.db.setWizardCurrentStep(this.get('name').substr(0, this.get('name').length - 10), currentStep, completed);
     this.set('currentStep', currentStep);
   },

   clusters: null,

   isStep1: function () {
     return this.get('currentStep') == 1;
   }.property('currentStep'),

   isStep2: function () {
     return this.get('currentStep') == 2;
   }.property('currentStep'),

   isStep3: function () {
     return this.get('currentStep') == 3;
   }.property('currentStep'),

   isStep4: function () {
     return this.get('currentStep') == 4;
   }.property('currentStep'),

   isStep5: function () {
     return this.get('currentStep') == 5;
   }.property('currentStep'),

   isStep6: function () {
     return this.get('currentStep') == 6;
   }.property('currentStep'),

   isStep7: function () {
     return this.get('currentStep') == 7;
   }.property('currentStep'),

   isStep8: function () {
     return this.get('currentStep') == 8;
   }.property('currentStep'),

   isStep9: function () {
     return this.get('currentStep') == 9;
   }.property('currentStep'),

   isStep10: function () {
     return this.get('currentStep') == 10;
   }.property('currentStep'),

   gotoStep: function (step) {
     if (this.get('isStepDisabled').findProperty('step', step).get('value') !== false) {
       return;
     }
     // if going back from Step 9 in Install Wizard, delete the checkpoint so that the user is not redirected
     // to Step 9
     if (this.get('content.controllerName') == 'installerController' && this.get('currentStep') === '9' && step < 9) {
       App.clusterStatus.setClusterStatus({
         clusterName: this.get('clusterName'),
         clusterState: 'CLUSTER_NOT_CREATED_1',
         wizardControllerName: 'installerController',
         localdb: App.db.data
       });
     }
     if ((this.get('currentStep') - step) > 1) {
       App.ModalPopup.show({
         header: Em.I18n.t('installer.navigation.warning.header'),
         onPrimary: function () {
           App.router.send('gotoStep' + step);
           this.hide();
         },
         body: "If you proceed to go back to Step " + step + ", you will lose any changes you have made beyond this step"
       });
     } else {
       App.router.send('gotoStep' + step);
     }
   },

   gotoStep1: function () {
     this.gotoStep(1);
   },

   gotoStep2: function () {
     this.gotoStep(2);
   },

   gotoStep3: function () {
     this.gotoStep(3);
   },

   gotoStep4: function () {
     this.gotoStep(4);
   },

   gotoStep5: function () {
     this.gotoStep(5);
   },

   gotoStep6: function () {
     this.gotoStep(6);
   },

   gotoStep7: function () {
     this.gotoStep(7);
   },

   gotoStep8: function () {
     this.gotoStep(8);
   },

   gotoStep9: function () {
     this.gotoStep(9);
   },

   gotoStep10: function () {
     this.gotoStep(10);
   },

   /**
    * Temporary function for wizardStep9, before back-end integration
    */
   setInfoForStep9: function () {

     var hostInfo = App.db.getHosts();
     for (var index in hostInfo) {
       hostInfo[index].status = "pending";
       hostInfo[index].message = 'Waiting';
       hostInfo[index].logTasks = [];
       hostInfo[index].tasks = [];
       hostInfo[index].progress = '0';
     }
     App.db.setHosts(hostInfo);
   },

   /**
    * Remove all data for installOptions step
    */
   clearInstallOptions: function () {
     var installOptions = jQuery.extend({}, this.get('installOptionsTemplate'));
     this.set('content.installOptions', installOptions);
     this.save('installOptions');
     this.set('content.hosts', []);
     this.save('hosts');
   },

   toObject: function(object){
     var result = {};
     for(var i in object){
       if(object.hasOwnProperty(i)){
         result[i] = object[i];
       }
     }
     return result;
   },

   /**
    * save status of the cluster. This is called from step8 and step9 to persist install and start requestId
    * @param clusterStatus object with status, isCompleted, requestId, isInstallError and isStartError field.
    */
   saveClusterStatus: function (clusterStatus) {
     var oldStatus = this.toObject(this.get('content.cluster'));
     clusterStatus = jQuery.extend(oldStatus, clusterStatus);
     if (clusterStatus.requestId &&
       clusterStatus.oldRequestsId.indexOf(clusterStatus.requestId) === -1){
       clusterStatus.oldRequestsId.push(clusterStatus.requestId);
     }
     this.set('content.cluster', clusterStatus);
     this.save('cluster');
   },

   /**
    * Invoke installation of selected services to the server and saves the request id returned by the server.
    * @param isRetry
    */
   installServices: function (isRetry) {

     // clear requests since we are installing services
     // and we don't want to get tasks for previous install attempts
     this.set('content.cluster.oldRequestsId', []);
     this.set('content.cluster.requestId', null);

     var self = this;
     var clusterName = this.get('content.cluster.name');
     var url;
     var method = (App.testMode) ? 'GET' : 'PUT';
     var data;

     switch (this.get('content.controllerName')) {
       case 'addHostController':
         if (isRetry) {
           url = App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state=INSTALLED';
           data = '{"HostRoles": {"state": "INSTALLED"}}';
         } else {
           url = App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state=INIT';
           data = '{"HostRoles": {"state": "INSTALLED"}}';
         }
         break;
       case 'installerController':
       default:
         if (isRetry) {
           url = (App.testMode) ? '/data/wizard/deploy/2_hosts/poll_1.json' : App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state!=INSTALLED';
           data = '{"HostRoles": {"state": "INSTALLED"}}';
         } else {
           url = (App.testMode) ? '/data/wizard/deploy/2_hosts/poll_1.json' : App.apiPrefix + '/clusters/' + clusterName + '/services?ServiceInfo/state=INIT';
           data = '{"ServiceInfo": {"state": "INSTALLED"}}';
         }
         break;
     }

     $.ajax({
       type: method,
       url: url,
       data: data,
       async: false,
       dataType: 'text',
       timeout: App.timeout,
       success: function (data) {
         var jsonData = jQuery.parseJSON(data);
         var installStartTime = new Date().getTime();
         console.log("TRACE: In success function for the installService call");
         console.log("TRACE: value of the url is: " + url);
         if (jsonData) {
           var requestId = jsonData.Requests.id;
           console.log('requestId is: ' + requestId);
           var clusterStatus = {
             status: 'PENDING',
             requestId: requestId,
             isInstallError: false,
             isCompleted: false,
             installStartTime: installStartTime
           };
           self.saveClusterStatus(clusterStatus);
         } else {
           console.log('ERROR: Error occurred in parsing JSON data');
         }
       },

       error: function (request, ajaxOptions, error) {
         console.log("TRACE: In error function for the installService call");
         console.log("TRACE: value of the url is: " + url);
         console.log("TRACE: error code status is: " + request.status);
         console.log('Error message is: ' + request.responseText);
         var clusterStatus = {
           status: 'PENDING',
           isInstallError: false,
           isCompleted: false
         };

         self.saveClusterStatus(clusterStatus);
       },

       statusCode: require('data/statusCodes')
     });
   },

   /*
    Bootstrap selected hosts.
    */
   launchBootstrap: function (bootStrapData) {
     var self = this;
     var requestId = null;
     var method = App.testMode ? 'GET' : 'POST';
     var url = App.testMode ? '/data/wizard/bootstrap/bootstrap.json' : App.apiPrefix + '/bootstrap';
     $.ajax({
       type: method,
       url: url,
       async: false,
       data: bootStrapData,
       timeout: App.timeout,
       contentType: 'application/json',
       success: function (data) {
         console.log("TRACE: POST bootstrap succeeded");
         requestId = data.requestId;
       },
       error: function () {
         console.log("ERROR: POST bootstrap failed");
         alert('Bootstrap call failed.  Please try again.');
       },
       statusCode: require('data/statusCodes')
     });
     return requestId;
   },

   /**
    * Load <code>content.<name></code> variable from localStorage, if wasn't loaded before.
    * If you specify <code>reload</code> to true - it will reload it.
    * @param name
    * @param reload
    * @return {Boolean}
    */
   load: function (name, reload) {
     if (this.get('content.' + name) && !reload) {
       return false;
     }
     var result = App.db['get' + name.capitalize()]();
     if (!result){
       result = this['get' + name.capitalize()]();
       App.db['set' + name.capitalize()](result);
       console.log(this.get('name') + ": created " + name, result);
     }
     this.set('content.' + name, result);
     console.log(this.get('name') + ": loaded " + name, result);
   },

   save: function(name){
     var value = this.toObject(this.get('content.' + name));
     App.db['set' + name.capitalize()](value);
     console.log(this.get('name') + ": saved " + name, value);
   },

   clear: function () {
     this.set('content', Ember.Object.create({
       'controllerName': this.get('content.controllerName'),
       'isWizard': !(this.get('content.controllerName') === 'installerController')
     }));
     this.set('currentStep', 0);
     this.clearStorageData();
   },

   clusterStatusTemplate : {
     name: "",
     status: "PENDING",
     isCompleted: false,
     requestId: null,
     installStartTime: null,
     installTime: null,
     isInstallError: false,
     isStartError: false,
     oldRequestsId: []
   },

   clearStorageData: function(){
     App.db.setService(undefined); //not to use this data at AddService page
     App.db.setHosts(undefined);
     App.db.setMasterComponentHosts(undefined);
     App.db.setSlaveComponentHosts(undefined);
     App.db.setCluster(undefined);
     App.db.setAllHostNames(undefined);
     App.db.setSlaveProperties(undefined);
     App.db.setInstallOptions(undefined);
     App.db.setAllHostNamesPattern(undefined);
   },

   installOptionsTemplate: {
     hostNames: "", //string
     manualInstall: false, //true, false
     useSsh: true, //bool
     isJavaHome : false, //bool
     javaHome: App.defaultJavaHome, //string
     localRepo: false, //true, false
     sshKey: "", //string
     bootRequestId: null //string
   },
   /**
    * Generate serviceComponents as pr the stack definition  and save it to localdata
    * called form stepController step4WizardController
    */
   loadServiceComponents: function (displayOrderConfig, apiUrl) {
     var result = null;
     var method = 'GET';
     var testUrl = '/data/wizard/stack/hdp/version/1.2.0.json';
     var url = (App.testMode) ? testUrl : App.apiPrefix + apiUrl;
     $.ajax({
       type: method,
       url: url,
       async: false,
       dataType: 'text',
       timeout: App.timeout,
       success: function (data) {
         var jsonData = jQuery.parseJSON(data);
         console.log("TRACE: getService ajax call  -> In success function for the getServiceComponents call");
         console.log("TRACE: jsonData.services : " + jsonData.services);

         // Creating Model
         var Service = Ember.Object.extend({
           serviceName: null,
           displayName: null,
           isDisabled: true,
           isSelected: true,
           isInstalled: false,
           description: null,
           version: null
         });

         var data = [];

         // loop through all the service components
         for (var i = 0; i < displayOrderConfig.length; i++) {
           var entry = jsonData.services.findProperty("name", displayOrderConfig[i].serviceName);

           var myService = Service.create({
             serviceName: entry.name,
             displayName: displayOrderConfig[i].displayName,
             isDisabled: i === 0,
             isSelected: true,
             isInstalled: false,
             isHidden: displayOrderConfig[i].isHidden,
             description: entry.comment,
             version: entry.version
           });

           data.push(myService);
         }

         result = data;
         console.log('TRACE: service components: ' + JSON.stringify(data));

       },

       error: function (request, ajaxOptions, error) {
         console.log("TRACE: STep5 -> In error function for the getServiceComponents call");
         console.log("TRACE: STep5 -> value of the url is: " + url);
         console.log("TRACE: STep5 -> error code status is: " + request.status);
         console.log('Step8: Error message is: ' + request.responseText);
       },

       statusCode: require('data/statusCodes')
     });
     return result;
   },

   loadServicesFromServer: function() {
     var services = App.db.getService();
     if (services) {
       return;
     }
     var displayOrderConfig = require('data/services');
     var apiUrl = App.get('stackVersionURL');
     var apiService = this.loadServiceComponents(displayOrderConfig, apiUrl);
     this.set('content.services', apiService);
     App.db.setService(apiService);
   },

   /**
    * Load properties for group of slaves to model
    */
   loadSlaveGroupProperties: function () {
     var groupConfigProperties = App.db.getSlaveProperties() ? App.db.getSlaveProperties() : this.get('content.slaveComponentHosts');
     if (groupConfigProperties) {
       groupConfigProperties.forEach(function (_slaveComponentObj) {
         if (_slaveComponentObj.groups) {
           var groups = [];
           _slaveComponentObj.groups.forEach(function (_group) {
             var properties = [];
             _group.properties.forEach(function (_property) {
               var property = App.ServiceConfigProperty.create(_property);
               property.set('value', _property.storeValue);
               properties.pushObject(property);
             }, this);
             _group.properties = properties;
             groups.pushObject(App.Group.create(_group));
           }, this);
           _slaveComponentObj.groups = groups;
         }
       }, this);
     }
     this.set('content.slaveGroupProperties', groupConfigProperties);
   },

   registerErrPopup: function (header, message) {
     App.ModalPopup.show({
       header: header,
       secondary: false,
       onPrimary: function () {
         this.hide();
       },
       bodyClass: Ember.View.extend({
         template: Ember.Handlebars.compile(['<p>{{view.message}}</p>'].join('\n')),
         message: message
       })
     });
   }

 })
	/**
	* 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.WizardController = Em.Controller.extend({

	isStepDisabled: null,

	init: function () {
	this.set('isStepDisabled', []);
	this.clusters = App.Cluster.find();
	this.isStepDisabled.pushObject(Ember.Object.create({
	step: 1,
	value: false
	}));
	for (var i = 2; i <= this.get('totalSteps'); i++) {
	this.isStepDisabled.pushObject(Ember.Object.create({
	step: i,
	value: true
	}));
	}
	// window.onbeforeunload = function () {
	// return "You have not saved your document yet. If you continue, your work will not be saved."
	//}
	},

	setStepsEnable: function () {
	for (var i = 1; i <= this.totalSteps; i++) {
	var step = this.get('isStepDisabled').findProperty('step', i);
	if (i <= this.get('currentStep')) {
	step.set('value', false);
	} else {
	step.set('value', true);
	}
	}
	}.observes('currentStep'),

	setLowerStepsDisable: function (stepNo) {
	for (var i = 1; i < stepNo; i++) {
	var step = this.get('isStepDisabled').findProperty('step', i);
	step.set('value', true);
	}
	},

	prevInstallStatus: function () {
	console.log('Inside the prevInstallStep function: The name is ' + App.router.get('loginController.loginName'));
	var result = App.db.isCompleted()
	if (result == '1') {
	return true;
	}
	}.property('App.router.loginController.loginName'),

	/**
	* Set current step to new value.
	* Method moved from App.router.setInstallerCurrentStep
	* @param currentStep
	* @param completed
	*/
	currentStep: function () {
	return App.get('router').getWizardCurrentStep(this.get('name').substr(0, this.get('name').length - 10));
	}.property(),

	/**
	* Set current step to new value.
	* Method moved from App.router.setInstallerCurrentStep
	* @param currentStep
	* @param completed
	*/
	setCurrentStep: function (currentStep, completed) {
	App.db.setWizardCurrentStep(this.get('name').substr(0, this.get('name').length - 10), currentStep, completed);
	this.set('currentStep', currentStep);
	},

	clusters: null,

	isStep1: function () {
	return this.get('currentStep') == 1;
	}.property('currentStep'),

	isStep2: function () {
	return this.get('currentStep') == 2;
	}.property('currentStep'),

	isStep3: function () {
	return this.get('currentStep') == 3;
	}.property('currentStep'),

	isStep4: function () {
	return this.get('currentStep') == 4;
	}.property('currentStep'),

	isStep5: function () {
	return this.get('currentStep') == 5;
	}.property('currentStep'),

	isStep6: function () {
	return this.get('currentStep') == 6;
	}.property('currentStep'),

	isStep7: function () {
	return this.get('currentStep') == 7;
	}.property('currentStep'),

	isStep8: function () {
	return this.get('currentStep') == 8;
	}.property('currentStep'),

	isStep9: function () {
	return this.get('currentStep') == 9;
	}.property('currentStep'),

	isStep10: function () {
	return this.get('currentStep') == 10;
	}.property('currentStep'),

	gotoStep: function (step) {
	if (this.get('isStepDisabled').findProperty('step', step).get('value') !== false) {
	return;
	}
	// if going back from Step 9 in Install Wizard, delete the checkpoint so that the user is not redirected
	// to Step 9
	if (this.get('content.controllerName') == 'installerController' && this.get('currentStep') === '9' && step < 9) {
	App.clusterStatus.setClusterStatus({
	clusterName: this.get('clusterName'),
	clusterState: 'CLUSTER_NOT_CREATED_1',
	wizardControllerName: 'installerController',
	localdb: App.db.data
	});
	}
	if ((this.get('currentStep') - step) > 1) {
	App.ModalPopup.show({
	header: Em.I18n.t('installer.navigation.warning.header'),
	onPrimary: function () {
	App.router.send('gotoStep' + step);
	this.hide();
	},
	body: "If you proceed to go back to Step " + step + ", you will lose any changes you have made beyond this step"
	});
	} else {
	App.router.send('gotoStep' + step);
	}
	},

	gotoStep1: function () {
	this.gotoStep(1);
	},

	gotoStep2: function () {
	this.gotoStep(2);
	},

	gotoStep3: function () {
	this.gotoStep(3);
	},

	gotoStep4: function () {
	this.gotoStep(4);
	},

	gotoStep5: function () {
	this.gotoStep(5);
	},

	gotoStep6: function () {
	this.gotoStep(6);
	},

	gotoStep7: function () {
	this.gotoStep(7);
	},

	gotoStep8: function () {
	this.gotoStep(8);
	},

	gotoStep9: function () {
	this.gotoStep(9);
	},

	gotoStep10: function () {
	this.gotoStep(10);
	},

	/**
	* Temporary function for wizardStep9, before back-end integration
	*/
	setInfoForStep9: function () {

	var hostInfo = App.db.getHosts();
	for (var index in hostInfo) {
	hostInfo[index].status = "pending";
	hostInfo[index].message = 'Waiting';
	hostInfo[index].logTasks = [];
	hostInfo[index].tasks = [];
	hostInfo[index].progress = '0';
	}
	App.db.setHosts(hostInfo);
	},

	/**
	* Remove all data for installOptions step
	*/
	clearInstallOptions: function () {
	var installOptions = jQuery.extend({}, this.get('installOptionsTemplate'));
	this.set('content.installOptions', installOptions);
	this.save('installOptions');
	this.set('content.hosts', []);
	this.save('hosts');
	},

	toObject: function(object){
	var result = {};
	for(var i in object){
	if(object.hasOwnProperty(i)){
	result[i] = object[i];
	}
	}
	return result;
	},

	/**
	* save status of the cluster. This is called from step8 and step9 to persist install and start requestId
	* @param clusterStatus object with status, isCompleted, requestId, isInstallError and isStartError field.
	*/
	saveClusterStatus: function (clusterStatus) {
	var oldStatus = this.toObject(this.get('content.cluster'));
	clusterStatus = jQuery.extend(oldStatus, clusterStatus);
	if (clusterStatus.requestId &&
	clusterStatus.oldRequestsId.indexOf(clusterStatus.requestId) === -1){
	clusterStatus.oldRequestsId.push(clusterStatus.requestId);
	}
	this.set('content.cluster', clusterStatus);
	this.save('cluster');
	},

	/**
	* Invoke installation of selected services to the server and saves the request id returned by the server.
	* @param isRetry
	*/
	installServices: function (isRetry) {

	// clear requests since we are installing services
	// and we don't want to get tasks for previous install attempts
	this.set('content.cluster.oldRequestsId', []);
	this.set('content.cluster.requestId', null);

	var self = this;
	var clusterName = this.get('content.cluster.name');
	var url;
	var method = (App.testMode) ? 'GET' : 'PUT';
	var data;

	switch (this.get('content.controllerName')) {
	case 'addHostController':
	if (isRetry) {
	url = App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state=INSTALLED';
	data = '{"HostRoles": {"state": "INSTALLED"}}';
	} else {
	url = App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state=INIT';
	data = '{"HostRoles": {"state": "INSTALLED"}}';
	}
	break;
	case 'installerController':
	default:
	if (isRetry) {
	url = (App.testMode) ? '/data/wizard/deploy/2_hosts/poll_1.json' : App.apiPrefix + '/clusters/' + clusterName + '/host_components?HostRoles/state!=INSTALLED';
	data = '{"HostRoles": {"state": "INSTALLED"}}';
	} else {
	url = (App.testMode) ? '/data/wizard/deploy/2_hosts/poll_1.json' : App.apiPrefix + '/clusters/' + clusterName + '/services?ServiceInfo/state=INIT';
	data = '{"ServiceInfo": {"state": "INSTALLED"}}';
	}
	break;
	}

	$.ajax({
	type: method,
	url: url,
	data: data,
	async: false,
	dataType: 'text',
	timeout: App.timeout,
	success: function (data) {
	var jsonData = jQuery.parseJSON(data);
	var installStartTime = new Date().getTime();
	console.log("TRACE: In success function for the installService call");
	console.log("TRACE: value of the url is: " + url);
	if (jsonData) {
	var requestId = jsonData.Requests.id;
	console.log('requestId is: ' + requestId);
	var clusterStatus = {
	status: 'PENDING',
	requestId: requestId,
	isInstallError: false,
	isCompleted: false,
	installStartTime: installStartTime
	};
	self.saveClusterStatus(clusterStatus);
	} else {
	console.log('ERROR: Error occurred in parsing JSON data');
	}
	},

	error: function (request, ajaxOptions, error) {
	console.log("TRACE: In error function for the installService call");
	console.log("TRACE: value of the url is: " + url);
	console.log("TRACE: error code status is: " + request.status);
	console.log('Error message is: ' + request.responseText);
	var clusterStatus = {
	status: 'PENDING',
	isInstallError: false,
	isCompleted: false
	};

	self.saveClusterStatus(clusterStatus);
	},

	statusCode: require('data/statusCodes')
	});
	},

	/*
	Bootstrap selected hosts.
	*/
	launchBootstrap: function (bootStrapData) {
	var self = this;
	var requestId = null;
	var method = App.testMode ? 'GET' : 'POST';
	var url = App.testMode ? '/data/wizard/bootstrap/bootstrap.json' : App.apiPrefix + '/bootstrap';
	$.ajax({
	type: method,
	url: url,
	async: false,
	data: bootStrapData,
	timeout: App.timeout,
	contentType: 'application/json',
	success: function (data) {
	console.log("TRACE: POST bootstrap succeeded");
	requestId = data.requestId;
	},
	error: function () {
	console.log("ERROR: POST bootstrap failed");
	alert('Bootstrap call failed. Please try again.');
	},
	statusCode: require('data/statusCodes')
	});
	return requestId;
	},

	/**
	* Load <code>content.<name></code> variable from localStorage, if wasn't loaded before.
	* If you specify <code>reload</code> to true - it will reload it.
	* @param name
	* @param reload
	* @return {Boolean}
	*/
	load: function (name, reload) {
	if (this.get('content.' + name) && !reload) {
	return false;
	}
	var result = App.db['get' + name.capitalize()]();
	if (!result){
	result = this['get' + name.capitalize()]();
	App.db['set' + name.capitalize()](result);
	console.log(this.get('name') + ": created " + name, result);
	}
	this.set('content.' + name, result);
	console.log(this.get('name') + ": loaded " + name, result);
	},

	save: function(name){
	var value = this.toObject(this.get('content.' + name));
	App.db['set' + name.capitalize()](value);
	console.log(this.get('name') + ": saved " + name, value);
	},

	clear: function () {
	this.set('content', Ember.Object.create({
	'controllerName': this.get('content.controllerName'),
	'isWizard': !(this.get('content.controllerName') === 'installerController')
	}));
	this.set('currentStep', 0);
	this.clearStorageData();
	},

	clusterStatusTemplate : {
	name: "",
	status: "PENDING",
	isCompleted: false,
	requestId: null,
	installStartTime: null,
	installTime: null,
	isInstallError: false,
	isStartError: false,
	oldRequestsId: []
	},

	clearStorageData: function(){
	App.db.setService(undefined); //not to use this data at AddService page
	App.db.setHosts(undefined);
	App.db.setMasterComponentHosts(undefined);
	App.db.setSlaveComponentHosts(undefined);
	App.db.setCluster(undefined);
	App.db.setAllHostNames(undefined);
	App.db.setSlaveProperties(undefined);
	App.db.setInstallOptions(undefined);
	App.db.setAllHostNamesPattern(undefined);
	},

	installOptionsTemplate: {
	hostNames: "", //string
	manualInstall: false, //true, false
	useSsh: true, //bool
	isJavaHome : false, //bool
	javaHome: App.defaultJavaHome, //string
	localRepo: false, //true, false
	sshKey: "", //string
	bootRequestId: null //string
	},
	/**
	* Generate serviceComponents as pr the stack definition and save it to localdata
	* called form stepController step4WizardController
	*/
	loadServiceComponents: function (displayOrderConfig, apiUrl) {
	var result = null;
	var method = 'GET';
	var testUrl = '/data/wizard/stack/hdp/version/1.2.0.json';
	var url = (App.testMode) ? testUrl : App.apiPrefix + apiUrl;
	$.ajax({
	type: method,
	url: url,
	async: false,
	dataType: 'text',
	timeout: App.timeout,
	success: function (data) {
	var jsonData = jQuery.parseJSON(data);
	console.log("TRACE: getService ajax call -> In success function for the getServiceComponents call");
	console.log("TRACE: jsonData.services : " + jsonData.services);

	// Creating Model
	var Service = Ember.Object.extend({
	serviceName: null,
	displayName: null,
	isDisabled: true,
	isSelected: true,
	isInstalled: false,
	description: null,
	version: null
	});

	var data = [];

	// loop through all the service components
	for (var i = 0; i < displayOrderConfig.length; i++) {
	var entry = jsonData.services.findProperty("name", displayOrderConfig[i].serviceName);

	var myService = Service.create({
	serviceName: entry.name,
	displayName: displayOrderConfig[i].displayName,
	isDisabled: i === 0,
	isSelected: true,
	isInstalled: false,
	isHidden: displayOrderConfig[i].isHidden,
	description: entry.comment,
	version: entry.version
	});

	data.push(myService);
	}

	result = data;
	console.log('TRACE: service components: ' + JSON.stringify(data));

	},

	error: function (request, ajaxOptions, error) {
	console.log("TRACE: STep5 -> In error function for the getServiceComponents call");
	console.log("TRACE: STep5 -> value of the url is: " + url);
	console.log("TRACE: STep5 -> error code status is: " + request.status);
	console.log('Step8: Error message is: ' + request.responseText);
	},

	statusCode: require('data/statusCodes')
	});
	return result;
	},

	loadServicesFromServer: function() {
	var services = App.db.getService();
	if (services) {
	return;
	}
	var displayOrderConfig = require('data/services');
	var apiUrl = App.get('stackVersionURL');
	var apiService = this.loadServiceComponents(displayOrderConfig, apiUrl);
	this.set('content.services', apiService);
	App.db.setService(apiService);
	},

	/**
	* Load properties for group of slaves to model
	*/
	loadSlaveGroupProperties: function () {
	var groupConfigProperties = App.db.getSlaveProperties() ? App.db.getSlaveProperties() : this.get('content.slaveComponentHosts');
	if (groupConfigProperties) {
	groupConfigProperties.forEach(function (_slaveComponentObj) {
	if (_slaveComponentObj.groups) {
	var groups = [];
	_slaveComponentObj.groups.forEach(function (_group) {
	var properties = [];
	_group.properties.forEach(function (_property) {
	var property = App.ServiceConfigProperty.create(_property);
	property.set('value', _property.storeValue);
	properties.pushObject(property);
	}, this);
	_group.properties = properties;
	groups.pushObject(App.Group.create(_group));
	}, this);
	_slaveComponentObj.groups = groups;
	}
	}, this);
	}
	this.set('content.slaveGroupProperties', groupConfigProperties);
	},

	registerErrPopup: function (header, message) {
	App.ModalPopup.show({
	header: header,
	secondary: false,
	onPrimary: function () {
	this.hide();
	},
	bodyClass: Ember.View.extend({
	template: Ember.Handlebars.compile(['<p>{{view.message}}</p>'].join('\n')),
	message: message
	})
	});
	}

	})