| /** |
| * 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. |
| */ |
| |
| import RESTAbstractAdapter from './restabstract'; |
| |
| export default RESTAbstractAdapter.extend({ |
| address: "rmWebAddress", |
| restNameSpace: "cluster", |
| |
| handleResponse(status, headers, payload, requestData) { |
| // If the user is not authorized to signal a threaddump for a container, |
| // the response contains a RemoteException with a 403 (Forbidden) status |
| // code. Extract out the error message from the RemoteException in this |
| // case. |
| // If the status is '0' or empty, it is symptomatic of the YARN role not |
| // available or able to respond or a network timeout/firewall issue. |
| if (status === 403) { |
| if (payload |
| && typeof payload === 'object' |
| && payload.RemoteException |
| && payload.RemoteException.message) { |
| return new Error(payload.RemoteException.message); |
| } |
| } else if (status === 0 && payload === "") { |
| return new Error("Not able to connect to YARN!"); |
| } |
| |
| return payload; |
| }, |
| |
| /** |
| * Set up the POST request to use the signalToContainer REST API |
| * to signal a thread dump for a running container to RM. |
| */ |
| signalContainerForThreaddump(request, containerId, user) { |
| var url = this.buildURL(); |
| if (user && containerId) { |
| url += "/containers" + "/" + containerId + "/signal" |
| + "/OUTPUT_THREAD_DUMP" + "?user.name=" + user; |
| } |
| return this.ajax(url, "POST", {data: request}); |
| }, |
| |
| ajax(url, method, hash) { |
| hash = {}; |
| hash.crossDomain = true; |
| hash.xhrFields = {withCredentials: true}; |
| hash.targetServer = "RM"; |
| return this._super(url, method, hash); |
| }, |
| |
| /** |
| * Override options so that result is not expected to be JSON |
| */ |
| ajaxOptions: function (url, type, options) { |
| var hash = options || {}; |
| hash.url = url; |
| hash.type = type; |
| // Make sure jQuery does not try to convert response to JSON. |
| hash.dataType = 'text'; |
| hash.context = this; |
| |
| var headers = Ember.get(this, 'headers'); |
| if (headers !== undefined) { |
| hash.beforeSend = function (xhr) { |
| Object.keys(headers).forEach(function (key) { |
| return xhr.setRequestHeader(key, headers[key]); |
| }); |
| }; |
| } |
| return hash; |
| } |
| }); |