MAPREDUCE-5171. Expose blacklisted nodes from the MR AM REST API. (sandyr via tucu)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493600 13f79535-47bb-0310-9956-ffa450edef68
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02f87683e3
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@ -19,6 +19,7 @@
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package org.apache.hadoop.mapreduce.v2.app;
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import java.util.Map;
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import java.util.Set;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.mapreduce.v2.api.records.JobId;
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@ -56,4 +57,6 @@ public interface AppContext {
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Clock getClock();
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ClusterInfo getClusterInfo();
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Set<String> getBlacklistedNodes();
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}
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@ -29,6 +29,7 @@ import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import org.apache.commons.io.IOUtils;
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@ -95,6 +96,7 @@ import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocator;
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import org.apache.hadoop.mapreduce.v2.app.rm.ContainerAllocatorEvent;
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import org.apache.hadoop.mapreduce.v2.app.rm.RMCommunicator;
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import org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator;
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import org.apache.hadoop.mapreduce.v2.app.rm.RMContainerRequestor;
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import org.apache.hadoop.mapreduce.v2.app.rm.RMHeartbeatHandler;
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import org.apache.hadoop.mapreduce.v2.app.speculate.DefaultSpeculator;
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import org.apache.hadoop.mapreduce.v2.app.speculate.Speculator;
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@ -937,6 +939,11 @@ public class MRAppMaster extends CompositeService {
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public ClusterInfo getClusterInfo() {
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return this.clusterInfo;
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}
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@Override
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public Set<String> getBlacklistedNodes() {
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return ((RMContainerRequestor) containerAllocator).getBlacklistedNodes();
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}
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}
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@SuppressWarnings("unchecked")
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@ -424,4 +424,8 @@ public abstract class RMContainerRequestor extends RMCommunicator {
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hosts, orig.racks, orig.priority);
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return newReq;
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}
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public Set<String> getBlacklistedNodes() {
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return blacklistedNodes;
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}
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}
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@ -45,6 +45,7 @@ import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.AppInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.AMAttemptInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.AMAttemptsInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.BlacklistedNodesInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.ConfInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.JobCounterInfo;
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import org.apache.hadoop.mapreduce.v2.app.webapp.dao.JobInfo;
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@ -216,6 +217,14 @@ public class AMWebServices {
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init();
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return new AppInfo(this.app, this.app.context);
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}
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@GET
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@Path("/blacklistednodes")
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@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
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public BlacklistedNodesInfo getBlacklistedNodes() {
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init();
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return new BlacklistedNodesInfo(this.app.context);
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}
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@GET
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@Path("/jobs")
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@ -0,0 +1,42 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.mapreduce.v2.app.webapp.dao;
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import java.util.Set;
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import javax.xml.bind.annotation.XmlAccessType;
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import javax.xml.bind.annotation.XmlAccessorType;
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import javax.xml.bind.annotation.XmlRootElement;
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import org.apache.hadoop.mapreduce.v2.app.AppContext;
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@XmlRootElement(name = "blacklistednodesinfo")
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@XmlAccessorType(XmlAccessType.FIELD)
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public class BlacklistedNodesInfo {
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private Set<String> blacklistedNodes;
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public BlacklistedNodesInfo() { }
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public BlacklistedNodesInfo(AppContext appContext) {
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blacklistedNodes = appContext.getBlacklistedNodes();
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}
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public Set<String> getBlacklistedNodes() {
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return blacklistedNodes;
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}
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}
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@ -19,6 +19,7 @@
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package org.apache.hadoop.mapreduce.v2.app;
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import java.util.Map;
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import java.util.Set;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.mapreduce.v2.api.records.JobId;
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@ -37,7 +38,8 @@ public class MockAppContext implements AppContext {
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final String user = MockJobs.newUserName();
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final Map<JobId, Job> jobs;
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final long startTime = System.currentTimeMillis();
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Set<String> blacklistedNodes;
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public MockAppContext(int appid) {
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appID = MockJobs.newAppID(appid);
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appAttemptID = ApplicationAttemptId.newInstance(appID, 0);
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@ -115,4 +117,13 @@ public class MockAppContext implements AppContext {
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return null;
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}
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@Override
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public Set<String> getBlacklistedNodes() {
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return blacklistedNodes;
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}
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public void setBlacklistedNodes(Set<String> blacklistedNodes) {
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this.blacklistedNodes = blacklistedNodes;
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}
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}
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@ -24,6 +24,7 @@ import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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@ -850,5 +851,10 @@ public class TestRuntimeEstimators {
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public ClusterInfo getClusterInfo() {
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return new ClusterInfo();
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}
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@Override
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public Set<String> getBlacklistedNodes() {
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return null;
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}
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}
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}
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@ -23,6 +23,7 @@ import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.StringReader;
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import java.util.Set;
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import javax.ws.rs.core.MediaType;
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import javax.xml.parsers.DocumentBuilder;
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@ -33,6 +34,7 @@ import org.apache.hadoop.mapreduce.v2.app.AppContext;
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import org.apache.hadoop.mapreduce.v2.app.MockAppContext;
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import org.apache.hadoop.yarn.webapp.GenericExceptionHandler;
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import org.apache.hadoop.yarn.webapp.WebServicesTestUtils;
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import org.codehaus.jettison.json.JSONArray;
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import org.codehaus.jettison.json.JSONException;
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import org.codehaus.jettison.json.JSONObject;
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import org.junit.Before;
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@ -42,6 +44,7 @@ import org.w3c.dom.Element;
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import org.w3c.dom.NodeList;
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import org.xml.sax.InputSource;
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import com.google.common.collect.Sets;
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import com.google.inject.Guice;
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import com.google.inject.Injector;
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import com.google.inject.servlet.GuiceServletContextListener;
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@ -64,13 +67,15 @@ import com.sun.jersey.test.framework.WebAppDescriptor;
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public class TestAMWebServices extends JerseyTest {
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private static Configuration conf = new Configuration();
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private static AppContext appContext;
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private static MockAppContext appContext;
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private Injector injector = Guice.createInjector(new ServletModule() {
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@Override
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protected void configureServlets() {
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appContext = new MockAppContext(0, 1, 1, 1);
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appContext.setBlacklistedNodes(Sets.newHashSet("badnode1", "badnode2"));
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bind(JAXBContextResolver.class);
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bind(AMWebServices.class);
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bind(GenericExceptionHandler.class);
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@ -240,6 +245,29 @@ public class TestAMWebServices extends JerseyTest {
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"error string exists and shouldn't", "", responseStr);
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}
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}
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@Test
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public void testBlacklistedNodes() throws JSONException, Exception {
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WebResource r = resource();
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ClientResponse response = r.path("ws").path("v1").path("mapreduce")
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.path("blacklistednodes").accept(MediaType.APPLICATION_JSON)
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.get(ClientResponse.class);
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assertEquals(MediaType.APPLICATION_JSON_TYPE, response.getType());
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JSONObject json = response.getEntity(JSONObject.class);
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assertEquals("incorrect number of elements", 1, json.length());
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verifyBlacklistedNodesInfo(json, appContext);
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}
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@Test
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public void testBlacklistedNodesXML() throws Exception {
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WebResource r = resource();
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ClientResponse response = r.path("ws").path("v1").path("mapreduce")
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.path("blacklistednodes").accept(MediaType.APPLICATION_XML)
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.get(ClientResponse.class);
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assertEquals(MediaType.APPLICATION_XML_TYPE, response.getType());
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String xml = response.getEntity(String.class);
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verifyBlacklistedNodesInfoXML(xml, appContext);
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}
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public void verifyAMInfo(JSONObject info, AppContext ctx)
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throws JSONException {
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@ -285,4 +313,33 @@ public class TestAMWebServices extends JerseyTest {
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assertTrue("elapsedTime not greater then 0", (elapsedTime > 0));
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}
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public void verifyBlacklistedNodesInfo(JSONObject blacklist, AppContext ctx)
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throws JSONException, Exception{
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JSONArray array = blacklist.getJSONArray("blacklistedNodes");
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assertEquals(array.length(), ctx.getBlacklistedNodes().size());
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for (int i = 0; i < array.length(); i++) {
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assertTrue(ctx.getBlacklistedNodes().contains(array.getString(i)));
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}
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}
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public void verifyBlacklistedNodesInfoXML(String xml, AppContext ctx)
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throws JSONException, Exception {
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DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
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DocumentBuilder db = dbf.newDocumentBuilder();
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InputSource is = new InputSource();
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is.setCharacterStream(new StringReader(xml));
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Document dom = db.parse(is);
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NodeList infonodes = dom.getElementsByTagName("blacklistednodesinfo");
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assertEquals("incorrect number of elements", 1, infonodes.getLength());
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NodeList nodes = dom.getElementsByTagName("blacklistedNodes");
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Set<String> blacklistedNodes = ctx.getBlacklistedNodes();
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assertEquals("incorrect number of elements", blacklistedNodes.size(),
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nodes.getLength());
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for (int i = 0; i < nodes.getLength(); i++) {
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Element element = (Element) nodes.item(i);
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assertTrue(
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blacklistedNodes.contains(element.getFirstChild().getNodeValue()));
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}
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}
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}
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@ -21,6 +21,7 @@ package org.apache.hadoop.mapreduce.v2.hs;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Set;
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import java.util.concurrent.ScheduledThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import java.util.regex.Pattern;
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@ -301,4 +302,10 @@ public class JobHistory extends AbstractService implements HistoryContext {
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public ClusterInfo getClusterInfo() {
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return null;
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}
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// TODO AppContext - Not Required
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@Override
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public Set<String> getBlacklistedNodes() {
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return null;
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}
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}
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