| /** |
| * 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.timelineservice.collector; |
| |
| import java.util.concurrent.Future; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| import com.google.common.base.Preconditions; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Service that handles writes to the timeline service and writes them to the |
| * backing storage for a given YARN application. |
| * |
| * App-related lifecycle management is handled by this service. |
| */ |
| @Private |
| @Unstable |
| public class AppLevelTimelineCollector extends TimelineCollector { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TimelineCollector.class); |
| |
| private final ApplicationId appId; |
| private final String appUser; |
| private final TimelineCollectorContext context; |
| private UserGroupInformation currentUser; |
| private Token<TimelineDelegationTokenIdentifier> delegationTokenForApp; |
| private long tokenMaxDate = 0; |
| private String tokenRenewer; |
| private Future<?> renewalOrRegenerationFuture; |
| |
| public AppLevelTimelineCollector(ApplicationId appId) { |
| this(appId, null); |
| } |
| |
| public AppLevelTimelineCollector(ApplicationId appId, String user) { |
| super(AppLevelTimelineCollector.class.getName() + " - " + appId.toString()); |
| Preconditions.checkNotNull(appId, "AppId shouldn't be null"); |
| this.appId = appId; |
| this.appUser = user; |
| context = new TimelineCollectorContext(); |
| } |
| |
| public UserGroupInformation getCurrentUser() { |
| return currentUser; |
| } |
| |
| public String getAppUser() { |
| return appUser; |
| } |
| |
| void setDelegationTokenAndFutureForApp( |
| Token<TimelineDelegationTokenIdentifier> token, |
| Future<?> appRenewalOrRegenerationFuture, long tknMaxDate, |
| String renewer) { |
| this.delegationTokenForApp = token; |
| this.tokenMaxDate = tknMaxDate; |
| this.tokenRenewer = renewer; |
| this.renewalOrRegenerationFuture = appRenewalOrRegenerationFuture; |
| } |
| |
| void setRenewalOrRegenerationFutureForApp( |
| Future<?> appRenewalOrRegenerationFuture) { |
| this.renewalOrRegenerationFuture = appRenewalOrRegenerationFuture; |
| } |
| |
| void cancelRenewalOrRegenerationFutureForApp() { |
| if (renewalOrRegenerationFuture != null && |
| !renewalOrRegenerationFuture.isDone()) { |
| renewalOrRegenerationFuture.cancel(true); |
| } |
| } |
| |
| long getAppDelegationTokenMaxDate() { |
| return tokenMaxDate; |
| } |
| |
| String getAppDelegationTokenRenewer() { |
| return tokenRenewer; |
| } |
| |
| @VisibleForTesting |
| public Token<TimelineDelegationTokenIdentifier> getDelegationTokenForApp() { |
| return this.delegationTokenForApp; |
| } |
| |
| @Override |
| protected void serviceInit(Configuration conf) throws Exception { |
| context.setClusterId(conf.get(YarnConfiguration.RM_CLUSTER_ID, |
| YarnConfiguration.DEFAULT_RM_CLUSTER_ID)); |
| // Set the default values, which will be updated with an RPC call to get the |
| // context info from NM. |
| // Current user usually is not the app user, but keep this field non-null |
| currentUser = UserGroupInformation.getCurrentUser(); |
| context.setUserId(currentUser.getShortUserName()); |
| context.setAppId(appId.toString()); |
| super.serviceInit(conf); |
| } |
| |
| @Override |
| protected void serviceStart() throws Exception { |
| super.serviceStart(); |
| } |
| |
| @Override |
| protected void serviceStop() throws Exception { |
| cancelRenewalOrRegenerationFutureForApp(); |
| super.serviceStop(); |
| } |
| |
| @Override |
| public TimelineCollectorContext getTimelineEntityContext() { |
| return context; |
| } |
| } |