| /** |
| * 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. |
| */ |
| |
| package org.apache.hadoop.yarn.server.resourcemanager.webapp; |
| |
| import static org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebApp.QUEUE_NAME; |
| import static org.apache.hadoop.yarn.util.StringHelper.join; |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.APPLICATION_ID; |
| |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.util.StringUtils; |
| import org.apache.hadoop.yarn.api.records.ApplicationAccessType; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; |
| import org.apache.hadoop.yarn.server.security.ApplicationACLsManager; |
| import org.apache.hadoop.yarn.util.Apps; |
| import org.apache.hadoop.yarn.util.Times; |
| import org.apache.hadoop.yarn.webapp.Controller; |
| import org.apache.hadoop.yarn.webapp.ResponseInfo; |
| |
| import com.google.inject.Inject; |
| |
| // Do NOT rename/refactor this to RMView as it will wreak havoc |
| // on Mac OS HFS as its case-insensitive! |
| public class RmController extends Controller { |
| |
| private ApplicationACLsManager aclsManager; |
| |
| @Inject |
| RmController(RequestContext ctx, ApplicationACLsManager aclsManager) { |
| super(ctx); |
| this.aclsManager = aclsManager; |
| } |
| |
| @Override public void index() { |
| setTitle("Applications"); |
| } |
| |
| public void about() { |
| setTitle("About the Cluster"); |
| render(AboutPage.class); |
| } |
| |
| public void app() { |
| String aid = $(APPLICATION_ID); |
| if (aid.isEmpty()) { |
| setStatus(HttpServletResponse.SC_BAD_REQUEST); |
| setTitle("Bad request: requires application ID"); |
| return; |
| } |
| ApplicationId appID = Apps.toAppID(aid); |
| RMContext context = getInstance(RMContext.class); |
| RMApp rmApp = context.getRMApps().get(appID); |
| if (rmApp == null) { |
| // TODO: handle redirect to jobhistory server |
| setStatus(HttpServletResponse.SC_NOT_FOUND); |
| setTitle("Application not found: "+ aid); |
| return; |
| } |
| AppInfo app = new AppInfo(rmApp, true); |
| |
| // Check for the authorization. |
| String remoteUser = request().getRemoteUser(); |
| UserGroupInformation callerUGI = null; |
| if (remoteUser != null) { |
| callerUGI = UserGroupInformation.createRemoteUser(remoteUser); |
| } |
| if (callerUGI != null |
| && !this.aclsManager.checkAccess(callerUGI, |
| ApplicationAccessType.VIEW_APP, app.getUser(), appID)) { |
| setStatus(HttpServletResponse.SC_UNAUTHORIZED); |
| setTitle("Unauthorized request for viewing application " + appID); |
| renderText("You (User " + remoteUser |
| + ") are not authorized to view the logs for application " + appID); |
| return; |
| } |
| |
| setTitle(join("Application ", aid)); |
| |
| ResponseInfo info = info("Application Overview"). |
| _("User:", app.getUser()). |
| _("Name:", app.getName()). |
| _("State:", app.getState()). |
| _("FinalStatus:", app.getFinalStatus()). |
| _("Started:", Times.format(app.getStartTime())). |
| _("Elapsed:", StringUtils.formatTime( |
| Times.elapsed(app.getStartTime(), app.getFinishTime()))). |
| _("Tracking URL:", !app.isTrackingUrlReady() ? |
| "#" : app.getTrackingUrlPretty(), app.getTrackingUI()). |
| _("Diagnostics:", app.getNote()); |
| if (app.amContainerLogsExist()) { |
| info._("AM container logs:", app.getAMContainerLogs(), app.getAMContainerLogs()); |
| } else { |
| info._("AM container logs:", ""); |
| } |
| render(AppPage.class); |
| } |
| |
| public void nodes() { |
| render(NodesPage.class); |
| } |
| |
| public void scheduler() { |
| ResourceManager rm = getInstance(ResourceManager.class); |
| ResourceScheduler rs = rm.getResourceScheduler(); |
| if (rs == null || rs instanceof CapacityScheduler) { |
| setTitle("Capacity Scheduler"); |
| render(CapacitySchedulerPage.class); |
| return; |
| } |
| setTitle("Default Scheduler"); |
| render(DefaultSchedulerPage.class); |
| } |
| |
| public void queue() { |
| setTitle(join("Queue ", get(QUEUE_NAME, "unknown"))); |
| } |
| |
| public void submit() { |
| setTitle("Application Submission Not Allowed"); |
| } |
| |
| public void json() { |
| renderJSON(AppsList.class); |
| } |
| } |