| /** |
| * 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.security.client; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.io.Text; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.security.token.TokenRenewer; |
| import org.apache.hadoop.yarn.client.api.TimelineClient; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| |
| @Public |
| @Evolving |
| public class TimelineDelegationTokenIdentifier extends YARNDelegationTokenIdentifier { |
| |
| public static final Text KIND_NAME = new Text("TIMELINE_DELEGATION_TOKEN"); |
| |
| public TimelineDelegationTokenIdentifier() { |
| |
| } |
| |
| /** |
| * Create a new timeline delegation token identifier |
| * |
| * @param owner the effective username of the token owner |
| * @param renewer the username of the renewer |
| * @param realUser the real username of the token owner |
| */ |
| public TimelineDelegationTokenIdentifier(Text owner, Text renewer, |
| Text realUser) { |
| super(owner, renewer, realUser); |
| } |
| |
| @Override |
| public Text getKind() { |
| return KIND_NAME; |
| } |
| |
| @InterfaceAudience.Private |
| public static class Renewer extends TokenRenewer { |
| |
| @Override |
| public boolean handleKind(Text kind) { |
| return KIND_NAME.equals(kind); |
| } |
| |
| @Override |
| public boolean isManaged(Token<?> token) throws IOException { |
| return true; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public long renew(Token<?> token, Configuration conf) throws IOException, |
| InterruptedException { |
| TimelineClient client = TimelineClient.createTimelineClient(); |
| try { |
| client.init(conf); |
| client.start(); |
| return client.renewDelegationToken( |
| (Token<TimelineDelegationTokenIdentifier>) token); |
| } catch (YarnException e) { |
| throw new IOException(e); |
| } finally { |
| client.stop(); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public void cancel(Token<?> token, Configuration conf) throws IOException, |
| InterruptedException { |
| TimelineClient client = TimelineClient.createTimelineClient(); |
| try { |
| client.init(conf); |
| client.start(); |
| client.cancelDelegationToken( |
| (Token<TimelineDelegationTokenIdentifier>) token); |
| } catch (YarnException e) { |
| throw new IOException(e); |
| } finally { |
| client.stop(); |
| } |
| } |
| } |
| |
| } |