Add ACL check to JHS web-services.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1547159 13f79535-47bb-0310-9956-ffa450edef68

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsWebServices.java

@@ -20,17 +20,21 @@ package org.apache.hadoop.mapreduce.v2.hs.webapp;
 
 import java.io.IOException;
 
+import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
+import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response.Status;
 import javax.ws.rs.core.UriInfo;
 
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.mapreduce.JobACL;
 import org.apache.hadoop.mapreduce.v2.api.records.AMInfo;
 import org.apache.hadoop.mapreduce.v2.api.records.JobState;
 import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
@@ -55,11 +59,13 @@ import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.HistoryInfo;
 import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.JobInfo;
 import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.JobsInfo;
 import org.apache.hadoop.mapreduce.v2.util.MRApps;
+import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.exceptions.YarnRuntimeException;
 import org.apache.hadoop.yarn.webapp.BadRequestException;
 import org.apache.hadoop.yarn.webapp.NotFoundException;
 import org.apache.hadoop.yarn.webapp.WebApp;
 
+import com.google.common.annotations.VisibleForTesting;
 import com.google.inject.Inject;
 
 @Path("/ws/v1/history")
@@ -78,11 +84,31 @@ public class HsWebServices {
     this.webapp = webapp;
   }
 
+  private boolean hasAccess(Job job, HttpServletRequest request) {
+    String remoteUser = request.getRemoteUser();
+    if (remoteUser != null) {
+      return job.checkAccess(UserGroupInformation.createRemoteUser(remoteUser),
+          JobACL.VIEW_JOB);
+    }
+    return true;
+  }
+
+  private void checkAccess(Job job, HttpServletRequest request) {
+    if (!hasAccess(job, request)) {
+      throw new WebApplicationException(Status.UNAUTHORIZED);
+    }
+  }
+
   private void init() {
     //clear content type
     response.setContentType(null);
   }
 
+  @VisibleForTesting
+  void setResponse(HttpServletResponse response) {
+    this.response = response;
+  }
+
   @GET
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
   public HistoryInfo get() {
@@ -190,10 +216,12 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public JobInfo getJob(@PathParam("jobid") String jid) {
+  public JobInfo getJob(@Context HttpServletRequest hsr,
+      @PathParam("jobid") String jid) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     return new JobInfo(job);
   }
 
@@ -217,20 +245,24 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}/counters")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public JobCounterInfo getJobCounters(@PathParam("jobid") String jid) {
+  public JobCounterInfo getJobCounters(@Context HttpServletRequest hsr,
+      @PathParam("jobid") String jid) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     return new JobCounterInfo(this.ctx, job);
   }
 
   @GET
   @Path("/mapreduce/jobs/{jobid}/conf")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public ConfInfo getJobConf(@PathParam("jobid") String jid) {
+  public ConfInfo getJobConf(@Context HttpServletRequest hsr,
+      @PathParam("jobid") String jid) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     ConfInfo info;
     try {
       info = new ConfInfo(job);
@@ -244,11 +276,12 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}/tasks")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public TasksInfo getJobTasks(@PathParam("jobid") String jid,
+  public TasksInfo getJobTasks(@Context HttpServletRequest hsr,
-      @QueryParam("type") String type) {
+      @PathParam("jobid") String jid, @QueryParam("type") String type) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     TasksInfo allTasks = new TasksInfo();
     for (Task task : job.getTasks().values()) {
       TaskType ttype = null;
@@ -270,11 +303,12 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}/tasks/{taskid}")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public TaskInfo getJobTask(@PathParam("jobid") String jid,
+  public TaskInfo getJobTask(@Context HttpServletRequest hsr,
-      @PathParam("taskid") String tid) {
+      @PathParam("jobid") String jid, @PathParam("taskid") String tid) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     Task task = AMWebServices.getTaskFromTaskIdString(tid, job);
     return new TaskInfo(task);
 
@@ -284,10 +318,12 @@ public class HsWebServices {
   @Path("/mapreduce/jobs/{jobid}/tasks/{taskid}/counters")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
   public JobTaskCounterInfo getSingleTaskCounters(
-      @PathParam("jobid") String jid, @PathParam("taskid") String tid) {
+      @Context HttpServletRequest hsr, @PathParam("jobid") String jid,
+      @PathParam("taskid") String tid) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     TaskId taskID = MRApps.toTaskID(tid);
     if (taskID == null) {
       throw new NotFoundException("taskid " + tid + " not found or invalid");
@@ -302,12 +338,13 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public TaskAttemptsInfo getJobTaskAttempts(@PathParam("jobid") String jid,
+  public TaskAttemptsInfo getJobTaskAttempts(@Context HttpServletRequest hsr,
-      @PathParam("taskid") String tid) {
+      @PathParam("jobid") String jid, @PathParam("taskid") String tid) {
 
     init();
     TaskAttemptsInfo attempts = new TaskAttemptsInfo();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     Task task = AMWebServices.getTaskFromTaskIdString(tid, job);
     for (TaskAttempt ta : task.getAttempts().values()) {
       if (ta != null) {
@@ -324,11 +361,13 @@ public class HsWebServices {
   @GET
   @Path("/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid}")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
-  public TaskAttemptInfo getJobTaskAttemptId(@PathParam("jobid") String jid,
+  public TaskAttemptInfo getJobTaskAttemptId(@Context HttpServletRequest hsr,
-      @PathParam("taskid") String tid, @PathParam("attemptid") String attId) {
+      @PathParam("jobid") String jid, @PathParam("taskid") String tid,
+      @PathParam("attemptid") String attId) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     Task task = AMWebServices.getTaskFromTaskIdString(tid, job);
     TaskAttempt ta = AMWebServices.getTaskAttemptFromTaskAttemptString(attId,
         task);
@@ -343,11 +382,12 @@ public class HsWebServices {
   @Path("/mapreduce/jobs/{jobid}/tasks/{taskid}/attempts/{attemptid}/counters")
   @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
   public JobTaskAttemptCounterInfo getJobTaskAttemptIdCounters(
-      @PathParam("jobid") String jid, @PathParam("taskid") String tid,
+      @Context HttpServletRequest hsr, @PathParam("jobid") String jid,
-      @PathParam("attemptid") String attId) {
+      @PathParam("taskid") String tid, @PathParam("attemptid") String attId) {
 
     init();
     Job job = AMWebServices.getJobFromJobIdString(jid, ctx);
+    checkAccess(job, hsr);
     Task task = AMWebServices.getTaskFromTaskIdString(tid, job);
     TaskAttempt ta = AMWebServices.getTaskAttemptFromTaskAttemptString(attId,
         task);

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/webapp/TestHsWebServicesAcls.java

@@ -0,0 +1,419 @@
+/**
+ * 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.mapreduce.v2.hs.webapp;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.Response.Status;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeys;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.mapred.JobACLsManager;
+import org.apache.hadoop.mapred.JobConf;
+import org.apache.hadoop.mapred.TaskCompletionEvent;
+import org.apache.hadoop.mapreduce.Counters;
+import org.apache.hadoop.mapreduce.JobACL;
+import org.apache.hadoop.mapreduce.MRConfig;
+import org.apache.hadoop.mapreduce.v2.api.records.AMInfo;
+import org.apache.hadoop.mapreduce.v2.api.records.JobId;
+import org.apache.hadoop.mapreduce.v2.api.records.JobReport;
+import org.apache.hadoop.mapreduce.v2.api.records.JobState;
+import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptCompletionEvent;
+import org.apache.hadoop.mapreduce.v2.api.records.TaskId;
+import org.apache.hadoop.mapreduce.v2.api.records.TaskType;
+import org.apache.hadoop.mapreduce.v2.app.job.Job;
+import org.apache.hadoop.mapreduce.v2.app.job.Task;
+import org.apache.hadoop.mapreduce.v2.hs.HistoryContext;
+import org.apache.hadoop.mapreduce.v2.hs.MockHistoryContext;
+import org.apache.hadoop.security.GroupMappingServiceProvider;
+import org.apache.hadoop.security.Groups;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.authorize.AccessControlList;
+import org.apache.hadoop.yarn.webapp.WebApp;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestHsWebServicesAcls {
+  private static String FRIENDLY_USER = "friendly";
+  private static String ENEMY_USER = "enemy";
+
+  private JobConf conf;
+  private HistoryContext ctx;
+  private String jobIdStr;
+  private String taskIdStr;
+  private String taskAttemptIdStr;
+  private HsWebServices hsWebServices;
+
+  @Before
+  public void setup() throws IOException {
+    this.conf = new JobConf();
+    this.conf.set(CommonConfigurationKeys.HADOOP_SECURITY_GROUP_MAPPING,
+        NullGroupsProvider.class.getName());
+    this.conf.setBoolean(MRConfig.MR_ACLS_ENABLED, true);
+    Groups.getUserToGroupsMappingService(conf);
+    this.ctx = buildHistoryContext(this.conf);
+    WebApp webApp = mock(HsWebApp.class);
+    when(webApp.name()).thenReturn("hsmockwebapp");
+    this.hsWebServices= new HsWebServices(ctx, conf, webApp);
+    this.hsWebServices.setResponse(mock(HttpServletResponse.class));
+
+    Job job = ctx.getAllJobs().values().iterator().next();
+    this.jobIdStr = job.getID().toString();
+    Task task = job.getTasks().values().iterator().next();
+    this.taskIdStr = task.getID().toString();
+    this.taskAttemptIdStr =
+        task.getAttempts().keySet().iterator().next().toString();
+  }
+
+  @Test
+  public void testGetJobAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJob(hsr, jobIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJob(hsr, jobIdStr);
+  }
+
+  @Test
+  public void testGetJobCountersAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobCounters(hsr, jobIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobCounters(hsr, jobIdStr);
+  }
+
+  @Test
+  public void testGetJobConfAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobConf(hsr, jobIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobConf(hsr, jobIdStr);
+  }
+
+  @Test
+  public void testGetJobTasksAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobTasks(hsr, jobIdStr, "m");
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobTasks(hsr, jobIdStr, "m");
+  }
+
+  @Test
+  public void testGetJobTaskAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobTask(hsr, jobIdStr, this.taskIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobTask(hsr, this.jobIdStr, this.taskIdStr);
+  }
+
+  @Test
+  public void testGetSingleTaskCountersAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getSingleTaskCounters(hsr, this.jobIdStr, this.taskIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getSingleTaskCounters(hsr, this.jobIdStr, this.taskIdStr);
+  }
+
+  @Test
+  public void testGetJobTaskAttemptsAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobTaskAttempts(hsr, this.jobIdStr, this.taskIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobTaskAttempts(hsr, this.jobIdStr, this.taskIdStr);
+  }
+
+  @Test
+  public void testGetJobTaskAttemptIdAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobTaskAttemptId(hsr, this.jobIdStr, this.taskIdStr,
+          this.taskAttemptIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobTaskAttemptId(hsr, this.jobIdStr, this.taskIdStr,
+        this.taskAttemptIdStr);
+  }
+
+  @Test
+  public void testGetJobTaskAttemptIdCountersAcls() {
+    HttpServletRequest hsr = mock(HttpServletRequest.class);
+    when(hsr.getRemoteUser()).thenReturn(ENEMY_USER);
+
+    try {
+      hsWebServices.getJobTaskAttemptIdCounters(hsr, this.jobIdStr,
+          this.taskIdStr, this.taskAttemptIdStr);
+      fail("enemy can access job");
+    } catch (WebApplicationException e) {
+      assertEquals(Status.UNAUTHORIZED,
+          Status.fromStatusCode(e.getResponse().getStatus()));
+    }
+
+    when(hsr.getRemoteUser()).thenReturn(FRIENDLY_USER);
+    hsWebServices.getJobTaskAttemptIdCounters(hsr, this.jobIdStr,
+        this.taskIdStr, this.taskAttemptIdStr);
+  }
+
+  private static HistoryContext buildHistoryContext(final Configuration conf)
+      throws IOException {
+    HistoryContext ctx = new MockHistoryContext(1, 1, 1);
+    Map<JobId, Job> jobs = ctx.getAllJobs();
+    JobId jobId = jobs.keySet().iterator().next();
+    Job mockJob = new MockJobForAcls(jobs.get(jobId), conf);
+    jobs.put(jobId, mockJob);
+    return ctx;
+  }
+
+  private static class NullGroupsProvider
+      implements GroupMappingServiceProvider {
+    @Override
+    public List<String> getGroups(String user) throws IOException {
+      return Collections.emptyList();
+    }
+
+    @Override
+    public void cacheGroupsRefresh() throws IOException {
+    }
+
+    @Override
+    public void cacheGroupsAdd(List<String> groups) throws IOException {
+    }
+  }
+
+  private static class MockJobForAcls implements Job {
+    private Job mockJob;
+    private Configuration conf;
+    private Map<JobACL, AccessControlList> jobAcls;
+    private JobACLsManager aclsMgr;
+
+    public MockJobForAcls(Job mockJob, Configuration conf) {
+      this.mockJob = mockJob;
+      this.conf = conf;
+      AccessControlList viewAcl = new AccessControlList(FRIENDLY_USER);
+      this.jobAcls = new HashMap<JobACL, AccessControlList>();
+      this.jobAcls.put(JobACL.VIEW_JOB, viewAcl);
+      this.aclsMgr = new JobACLsManager(conf); 
+    }
+
+    @Override
+    public JobId getID() {
+      return mockJob.getID();
+    }
+
+    @Override
+    public String getName() {
+      return mockJob.getName();
+    }
+
+    @Override
+    public JobState getState() {
+      return mockJob.getState();
+    }
+
+    @Override
+    public JobReport getReport() {
+      return mockJob.getReport();
+    }
+
+    @Override
+    public Counters getAllCounters() {
+      return mockJob.getAllCounters();
+    }
+
+    @Override
+    public Map<TaskId, Task> getTasks() {
+      return mockJob.getTasks();
+    }
+
+    @Override
+    public Map<TaskId, Task> getTasks(TaskType taskType) {
+      return mockJob.getTasks(taskType);
+    }
+
+    @Override
+    public Task getTask(TaskId taskID) {
+      return mockJob.getTask(taskID);
+    }
+
+    @Override
+    public List<String> getDiagnostics() {
+      return mockJob.getDiagnostics();
+    }
+
+    @Override
+    public int getTotalMaps() {
+      return mockJob.getTotalMaps();
+    }
+
+    @Override
+    public int getTotalReduces() {
+      return mockJob.getTotalReduces();
+    }
+
+    @Override
+    public int getCompletedMaps() {
+      return mockJob.getCompletedMaps();
+    }
+
+    @Override
+    public int getCompletedReduces() {
+      return mockJob.getCompletedReduces();
+    }
+
+    @Override
+    public float getProgress() {
+      return mockJob.getProgress();
+    }
+
+    @Override
+    public boolean isUber() {
+      return mockJob.isUber();
+    }
+
+    @Override
+    public String getUserName() {
+      return mockJob.getUserName();
+    }
+
+    @Override
+    public String getQueueName() {
+      return mockJob.getQueueName();
+    }
+
+    @Override
+    public Path getConfFile() {
+      return new Path("/some/path/to/conf");
+    }
+
+    @Override
+    public Configuration loadConfFile() throws IOException {
+      return conf;
+    }
+
+    @Override
+    public Map<JobACL, AccessControlList> getJobACLs() {
+      return jobAcls;
+    }
+
+    @Override
+    public TaskAttemptCompletionEvent[] getTaskAttemptCompletionEvents(
+        int fromEventId, int maxEvents) {
+      return mockJob.getTaskAttemptCompletionEvents(fromEventId, maxEvents);
+    }
+
+    @Override
+    public TaskCompletionEvent[] getMapAttemptCompletionEvents(
+        int startIndex, int maxEvents) {
+      return mockJob.getMapAttemptCompletionEvents(startIndex, maxEvents);
+    }
+
+    @Override
+    public List<AMInfo> getAMInfos() {
+      return mockJob.getAMInfos();
+    }
+
+    @Override
+    public boolean checkAccess(UserGroupInformation callerUGI,
+        JobACL jobOperation) {
+      return aclsMgr.checkAccess(callerUGI, jobOperation,
+          this.getUserName(), jobAcls.get(jobOperation));
+    }
+  }
+}