YARN-7390. All reservation related test cases failed when TestYarnClient runs against Fair Scheduler. (Yufei Gu via Haibo Chen)

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java

@@ -33,7 +33,6 @@ import java.security.PrivilegedExceptionAction;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.EnumSet;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -42,7 +41,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import com.google.common.base.Supplier;
 import org.apache.commons.io.IOUtils;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.DataInputByteBuffer;
@@ -75,14 +73,6 @@ import org.apache.hadoop.yarn.api.protocolrecords.GetNodesToLabelsRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.GetNodesToLabelsResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationRequest;
 import org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationListResponse;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
-import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
 import org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest;
 import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
@@ -96,13 +86,7 @@ import org.apache.hadoop.yarn.api.records.ContainerReport;
 import org.apache.hadoop.yarn.api.records.ContainerState;
 import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
 import org.apache.hadoop.yarn.api.records.NodeId;
-import org.apache.hadoop.yarn.api.records.NodeLabel;
 import org.apache.hadoop.yarn.api.records.Priority;
-import org.apache.hadoop.yarn.api.records.ReservationDefinition;
-import org.apache.hadoop.yarn.api.records.ReservationId;
-import org.apache.hadoop.yarn.api.records.ReservationRequest;
-import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
-import org.apache.hadoop.yarn.api.records.ReservationRequests;
 import org.apache.hadoop.yarn.api.records.Resource;
 import org.apache.hadoop.yarn.api.records.SignalContainerCommand;
 import org.apache.hadoop.yarn.api.records.YarnApplicationAttemptState;
@@ -119,23 +103,28 @@ import org.apache.hadoop.yarn.exceptions.YarnException;
 import org.apache.hadoop.yarn.security.client.TimelineDelegationTokenIdentifier;
 import org.apache.hadoop.yarn.server.MiniYARNCluster;
 import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
+import org.apache.hadoop.yarn.server.resourcemanager.ParameterizedSchedulerTestBase;
 import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
-import org.apache.hadoop.yarn.server.resourcemanager.reservation.ReservationSystemTestUtil;
 import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
 import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
-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.scheduler.capacity.CapacitySchedulerConfiguration;
-import org.apache.hadoop.yarn.util.Clock;
 import org.apache.hadoop.yarn.util.Records;
-import org.apache.hadoop.yarn.util.UTCClock;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 import org.slf4j.event.Level;
 
-public class TestYarnClient {
+/**
+ * This class is to test class {@link YarnClient) and {@link YarnClientImpl}.
+ */
+public class TestYarnClient extends ParameterizedSchedulerTestBase {
+
+  public TestYarnClient(SchedulerType type) throws IOException {
+    super(type);
+  }
+
+  protected void configureFairScheduler(YarnConfiguration conf) {}
 
   @Before
   public void setup() {
@@ -145,7 +134,7 @@ public class TestYarnClient {
 
   @Test
   public void testClientStop() {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     ResourceManager rm = new ResourceManager();
     rm.init(conf);
     rm.start();
@@ -159,7 +148,7 @@ public class TestYarnClient {
 
   @Test
   public void testStartWithTimelineV15() throws Exception {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
     conf.setFloat(YarnConfiguration.TIMELINE_SERVICE_VERSION, 1.5f);
     YarnClientImpl client = (YarnClientImpl) YarnClient.createYarnClient();
@@ -254,7 +243,7 @@ public class TestYarnClient {
   @SuppressWarnings("deprecation")
   @Test (timeout = 30000)
   public void testSubmitApplication() throws Exception {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     conf.setLong(YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS,
         100); // speed up tests
     final YarnClient client = new MockYarnClient();
@@ -301,7 +290,7 @@ public class TestYarnClient {
   @SuppressWarnings("deprecation")
   @Test (timeout = 20000)
   public void testSubmitApplicationInterrupted() throws IOException {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     int pollIntervalMs = 1000;
     conf.setLong(YarnConfiguration.YARN_CLIENT_APP_SUBMISSION_POLL_INTERVAL_MS,
         pollIntervalMs);
@@ -406,10 +395,9 @@ public class TestYarnClient {
     rm.start();
     RMApp app = rm.submitApp(2000);
 
-    Configuration conf = new Configuration();
     @SuppressWarnings("resource")
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
 
     client.killApplication(app.getApplicationId());
@@ -447,9 +435,8 @@ public class TestYarnClient {
 
   @Test (timeout = 10000)
   public void testGetApplications() throws YarnException, IOException {
-    Configuration conf = new Configuration();
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
 
     List<ApplicationReport> expectedReports = ((MockYarnClient)client).getReports();
@@ -500,9 +487,8 @@ public class TestYarnClient {
 
   @Test(timeout = 10000)
   public void testGetApplicationAttempts() throws YarnException, IOException {
-    Configuration conf = new Configuration();
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
 
     ApplicationId applicationId = ApplicationId.newInstance(1234, 5);
@@ -539,7 +525,7 @@ public class TestYarnClient {
 
   @Test(timeout = 10000)
   public void testGetContainers() throws YarnException, IOException {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.APPLICATION_HISTORY_ENABLED,
         true);
     
@@ -572,7 +558,7 @@ public class TestYarnClient {
 
   @Test(timeout = 10000)
   public void testGetContainerReport() throws YarnException, IOException {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.APPLICATION_HISTORY_ENABLED,
         true);
     final YarnClient client = new MockYarnClient();
@@ -603,9 +589,8 @@ public class TestYarnClient {
 
   @Test (timeout = 10000)
   public void testGetLabelsToNodes() throws YarnException, IOException {
-    Configuration conf = new Configuration();
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
 
     // Get labels to nodes mapping
@@ -629,9 +614,8 @@ public class TestYarnClient {
 
   @Test (timeout = 10000)
   public void testGetNodesToLabels() throws YarnException, IOException {
-    Configuration conf = new Configuration();
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
 
     // Get labels to nodes mapping
@@ -1025,7 +1009,7 @@ public class TestYarnClient {
     MiniYARNCluster cluster = new MiniYARNCluster("testMRAMTokens", 1, 1, 1);
     YarnClient rmClient = null;
     try {
-      cluster.init(new YarnConfiguration());
+      cluster.init(getConf());
       cluster.start();
       final Configuration yarnConf = cluster.getConfig();
       rmClient = YarnClient.createYarnClient();
@@ -1146,7 +1130,7 @@ public class TestYarnClient {
       boolean expectedTimeoutEnforcement) {
     YarnClientImpl client = new YarnClientImpl();
     try {
-      Configuration conf = new Configuration();
+      Configuration conf = getConf();
       if (valueForTimeout != null) {
         conf.setLong(
             YarnConfiguration.YARN_CLIENT_APPLICATION_CLIENT_PROTOCOL_POLL_TIMEOUT_MS,
@@ -1165,7 +1149,7 @@ public class TestYarnClient {
   @Test
   public void testBestEffortTimelineDelegationToken()
       throws Exception {
-    Configuration conf = new YarnConfiguration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
     SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS, conf);
 
@@ -1199,7 +1183,7 @@ public class TestYarnClient {
   @Test
   public void testAutomaticTimelineDelegationTokenLoading()
       throws Exception {
-    Configuration conf = new YarnConfiguration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
     SecurityUtil.setAuthenticationMethod(AuthenticationMethod.KERBEROS, conf);
     TimelineDelegationTokenIdentifier timelineDT =
@@ -1289,7 +1273,7 @@ public class TestYarnClient {
   public void testParseTimelineDelegationTokenRenewer() throws Exception {
     // Client side
     YarnClientImpl client = (YarnClientImpl) YarnClient.createYarnClient();
-    Configuration conf = new YarnConfiguration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED, true);
     conf.set(YarnConfiguration.RM_PRINCIPAL, "rm/_HOST@EXAMPLE.COM");
     conf.set(
@@ -1303,387 +1287,9 @@ public class TestYarnClient {
     }
   }
 
-  private MiniYARNCluster setupMiniYARNCluster() throws Exception {
-    CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
-    ReservationSystemTestUtil.setupQueueConfiguration(conf);
-    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class,
-        ResourceScheduler.class);
-    conf.setBoolean(YarnConfiguration.RM_RESERVATION_SYSTEM_ENABLE, true);
-    MiniYARNCluster cluster =
-        new MiniYARNCluster("testReservationAPIs", 2, 1, 1);
-
-    cluster.init(conf);
-    cluster.start();
-
-    GenericTestUtils.waitFor(new Supplier<Boolean>() {
-      @Override
-      public Boolean get() {
-        return cluster.getResourceManager().getRMContext()
-            .getReservationSystem()
-            .getPlan(ReservationSystemTestUtil.reservationQ)
-            .getTotalCapacity().getMemorySize() > 6000;
-      }
-    }, 10, 10000);
-
-    return cluster;
-  }
-
-  private YarnClient setupYarnClient(MiniYARNCluster cluster) {
-    final Configuration yarnConf = cluster.getConfig();
-    YarnClient client = YarnClient.createYarnClient();
-    client.init(yarnConf);
-    client.start();
-    return client;
-  }
-
-  private ReservationSubmissionRequest submitReservationTestHelper(
-      YarnClient client, long arrival, long deadline, long duration)
-      throws IOException, YarnException {
-    ReservationId reservationID = client.createReservation().getReservationId();
-    ReservationSubmissionRequest sRequest = createSimpleReservationRequest(
-        reservationID, 4, arrival, deadline, duration);
-    ReservationSubmissionResponse sResponse =
-        client.submitReservation(sRequest);
-    Assert.assertNotNull(sResponse);
-    Assert.assertNotNull(reservationID);
-    System.out.println("Submit reservation response: " + reservationID);
-
-    return sRequest;
-  }
-
-  @Test
-  public void testCreateReservation() throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      // Submit the reservation again with the same request and make sure it
-      // passes.
-      client.submitReservation(sRequest);
-
-      // Submit the reservation with the same reservation id but different
-      // reservation definition, and ensure YarnException is thrown.
-      arrival = clock.getTime();
-      ReservationDefinition rDef = sRequest.getReservationDefinition();
-      rDef.setArrival(arrival + duration);
-      sRequest.setReservationDefinition(rDef);
-      try {
-        client.submitReservation(sRequest);
-        Assert.fail("Reservation submission should fail if a duplicate "
-            + "reservation id is used, but the reservation definition has been "
-            + "updated.");
-      } catch (Exception e) {
-        Assert.assertTrue(e instanceof YarnException);
-      }
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testUpdateReservation() throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      ReservationDefinition rDef = sRequest.getReservationDefinition();
-      ReservationRequest rr =
-          rDef.getReservationRequests().getReservationResources().get(0);
-      ReservationId reservationID = sRequest.getReservationId();
-      rr.setNumContainers(5);
-      arrival = clock.getTime();
-      duration = 30000;
-      deadline = (long) (arrival + 1.05 * duration);
-      rr.setDuration(duration);
-      rDef.setArrival(arrival);
-      rDef.setDeadline(deadline);
-      ReservationUpdateRequest uRequest =
-          ReservationUpdateRequest.newInstance(rDef, reservationID);
-      ReservationUpdateResponse uResponse = client.updateReservation(uRequest);
-      Assert.assertNotNull(uResponse);
-      System.out.println("Update reservation response: " + uResponse);
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testListReservationsByReservationId() throws Exception{
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      ReservationId reservationID = sRequest.getReservationId();
-      ReservationListRequest request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, reservationID.toString(), -1,
-          -1, false);
-      ReservationListResponse response = client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(1, response.getReservationAllocationState().size());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getReservationId().getId(), reservationID.getId());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getResourceAllocationRequests().size(), 0);
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testListReservationsByTimeInterval() throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      // List reservations, search by a point in time within the reservation
-      // range.
-      arrival = clock.getTime();
-      ReservationId reservationID = sRequest.getReservationId();
-      ReservationListRequest request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", arrival + duration / 2,
-          arrival + duration / 2, true);
-
-      ReservationListResponse response = client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(1, response.getReservationAllocationState().size());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getReservationId().getId(), reservationID.getId());
-      // List reservations, search by time within reservation interval.
-      request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", 1, Long.MAX_VALUE, true);
-
-      response = client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(1, response.getReservationAllocationState().size());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getReservationId().getId(), reservationID.getId());
-      // Verify that the full resource allocations exist.
-      Assert.assertTrue(response.getReservationAllocationState().get(0)
-          .getResourceAllocationRequests().size() > 0);
-
-      // Verify that the full RDL is returned.
-      ReservationRequests reservationRequests =
-          response.getReservationAllocationState().get(0)
-              .getReservationDefinition().getReservationRequests();
-      Assert.assertEquals("R_ALL",
-          reservationRequests.getInterpreter().toString());
-      Assert.assertTrue(reservationRequests.getReservationResources().get(0)
-          .getDuration() == duration);
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testListReservationsByInvalidTimeInterval() throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      // List reservations, search by invalid end time == -1.
-      ReservationListRequest request = ReservationListRequest
-          .newInstance(ReservationSystemTestUtil.reservationQ, "", 1, -1, true);
-
-      ReservationListResponse response = client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(1, response.getReservationAllocationState().size());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getReservationId().getId(), sRequest.getReservationId().getId());
-
-      // List reservations, search by invalid end time < -1.
-      request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", 1, -10, true);
-
-      response = client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(1, response.getReservationAllocationState().size());
-      Assert.assertEquals(response.getReservationAllocationState().get(0)
-          .getReservationId().getId(), sRequest.getReservationId().getId());
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testListReservationsByTimeIntervalContainingNoReservations()
-      throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      // List reservations, search by very large start time.
-      ReservationListRequest request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", Long.MAX_VALUE, -1,
-          false);
-
-      ReservationListResponse response = client.listReservations(request);
-
-      // Ensure all reservations are filtered out.
-      Assert.assertNotNull(response);
-      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
-
-      duration = 30000;
-      deadline = sRequest.getReservationDefinition().getDeadline();
-
-      // List reservations, search by start time after the reservation
-      // end time.
-      request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", deadline + duration,
-          deadline + 2 * duration, false);
-
-      response = client.listReservations(request);
-
-      // Ensure all reservations are filtered out.
-      Assert.assertNotNull(response);
-      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
-
-      arrival = clock.getTime();
-      // List reservations, search by end time before the reservation start
-      // time.
-      request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, "", 0, arrival - duration,
-          false);
-
-      response = client.listReservations(request);
-
-      // Ensure all reservations are filtered out.
-      Assert.assertNotNull(response);
-      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
-
-      // List reservations, search by very small end time.
-      request = ReservationListRequest
-          .newInstance(ReservationSystemTestUtil.reservationQ, "", 0, 1, false);
-
-      response = client.listReservations(request);
-
-      // Ensure all reservations are filtered out.
-      Assert.assertNotNull(response);
-      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
-
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  @Test
-  public void testReservationDelete() throws Exception {
-    MiniYARNCluster cluster = setupMiniYARNCluster();
-    YarnClient client = setupYarnClient(cluster);
-    try {
-      Clock clock = new UTCClock();
-      long arrival = clock.getTime();
-      long duration = 60000;
-      long deadline = (long) (arrival + 1.05 * duration);
-      ReservationSubmissionRequest sRequest =
-          submitReservationTestHelper(client, arrival, deadline, duration);
-
-      ReservationId reservationID = sRequest.getReservationId();
-      // Delete the reservation
-      ReservationDeleteRequest dRequest =
-          ReservationDeleteRequest.newInstance(reservationID);
-      ReservationDeleteResponse dResponse = client.deleteReservation(dRequest);
-      Assert.assertNotNull(dResponse);
-      System.out.println("Delete reservation response: " + dResponse);
-
-      // List reservations, search by non-existent reservationID
-      ReservationListRequest request = ReservationListRequest.newInstance(
-          ReservationSystemTestUtil.reservationQ, reservationID.toString(), -1,
-          -1, false);
-
-      ReservationListResponse response =  client.listReservations(request);
-      Assert.assertNotNull(response);
-      Assert.assertEquals(0, response.getReservationAllocationState().size());
-    } finally {
-      // clean-up
-      if (client != null) {
-        client.stop();
-      }
-      cluster.stop();
-    }
-  }
-
-  private ReservationSubmissionRequest createSimpleReservationRequest(
-      ReservationId reservationId, int numContainers, long arrival,
-      long deadline, long duration) {
-    // create a request with a single atomic ask
-    ReservationRequest r =
-        ReservationRequest.newInstance(Resource.newInstance(1024, 1),
-            numContainers, 1, duration);
-    ReservationRequests reqs =
-        ReservationRequests.newInstance(Collections.singletonList(r),
-            ReservationRequestInterpreter.R_ALL);
-    ReservationDefinition rDef =
-        ReservationDefinition.newInstance(arrival, deadline, reqs,
-            "testYarnClient#reservation");
-    ReservationSubmissionRequest request =
-        ReservationSubmissionRequest.newInstance(rDef,
-            ReservationSystemTestUtil.reservationQ, reservationId);
-    return request;
-  }
-
   @Test(timeout = 30000, expected = ApplicationNotFoundException.class)
   public void testShouldNotRetryForeverForNonNetworkExceptions() throws Exception {
-    YarnConfiguration conf = new YarnConfiguration();
+    YarnConfiguration conf = getConf();
     conf.setInt(YarnConfiguration.RESOURCEMANAGER_CONNECT_MAX_WAIT_MS, -1);
 
     ResourceManager rm = null;
@@ -1715,10 +1321,9 @@ public class TestYarnClient {
 
   @Test
   public void testSignalContainer() throws Exception {
-    Configuration conf = new Configuration();
     @SuppressWarnings("resource")
     final YarnClient client = new MockYarnClient();
-    client.init(conf);
+    client.init(getConf());
     client.start();
     ApplicationId applicationId = ApplicationId.newInstance(1234, 5);
     ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(
@@ -1741,7 +1346,7 @@ public class TestYarnClient {
       boolean timelineClientBestEffort,
       Throwable mockErr,
       CreateTimelineClientErrorVerifier errVerifier) throws Exception {
-    Configuration conf = new Configuration();
+    Configuration conf = getConf();
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_ENABLED,
         timelineServiceEnabled);
     conf.setBoolean(YarnConfiguration.TIMELINE_SERVICE_CLIENT_BEST_EFFORT,

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClientWithReservation.java

@@ -0,0 +1,521 @@
+/**
+ * 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.client.api.impl;
+
+import com.google.common.base.Supplier;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem;
+import org.apache.hadoop.test.GenericTestUtils;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationDeleteResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationListRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationListResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationSubmissionResponse;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateRequest;
+import org.apache.hadoop.yarn.api.protocolrecords.ReservationUpdateResponse;
+import org.apache.hadoop.yarn.api.records.ReservationDefinition;
+import org.apache.hadoop.yarn.api.records.ReservationId;
+import org.apache.hadoop.yarn.api.records.ReservationRequest;
+import org.apache.hadoop.yarn.api.records.ReservationRequestInterpreter;
+import org.apache.hadoop.yarn.api.records.ReservationRequests;
+import org.apache.hadoop.yarn.api.records.Resource;
+import org.apache.hadoop.yarn.client.api.YarnClient;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.exceptions.YarnException;
+import org.apache.hadoop.yarn.server.MiniYARNCluster;
+import org.apache.hadoop.yarn.server.resourcemanager.reservation.ReservationSystemTestUtil;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.QueueMetrics;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
+import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration;
+import org.apache.hadoop.yarn.util.Clock;
+import org.apache.hadoop.yarn.util.UTCClock;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.stream.Collectors;
+
+
+/**
+ * This class is to test class {@link YarnClient) and {@link YarnClientImpl}
+ * with Reservation.
+ */
+@RunWith(Parameterized.class)
+public class TestYarnClientWithReservation {
+  protected final static String TEST_DIR =
+      new File(System.getProperty("test.build.data", "/tmp")).getAbsolutePath();
+  protected final static String FS_ALLOC_FILE =
+      new File(TEST_DIR, "test-fs-queues.xml").getAbsolutePath();
+
+  public enum SchedulerType {
+    CAPACITY, FAIR
+  }
+
+  private SchedulerType schedulerType;
+
+  @Parameterized.Parameters(name = "{0}")
+  public static Collection<Object[]> getParameters() {
+    return Arrays.stream(SchedulerType.values()).map(
+        type -> new Object[]{type}).collect(Collectors.toList());
+  }
+
+  public TestYarnClientWithReservation(SchedulerType scheduler) {
+    this.schedulerType = scheduler;
+  }
+
+
+  private MiniYARNCluster setupMiniYARNCluster() throws Exception {
+    MiniYARNCluster cluster =
+        new MiniYARNCluster("testReservationAPIs", 2, 1, 1);
+
+    cluster.init(getConfigurationForReservation());
+    cluster.start();
+
+    GenericTestUtils.waitFor(new Supplier<Boolean>() {
+      @Override
+      public Boolean get() {
+        return cluster.getResourceManager().getRMContext()
+            .getReservationSystem()
+            .getPlan(ReservationSystemTestUtil.reservationQ)
+            .getTotalCapacity().getMemorySize() > 6000;
+      }
+    }, 10, 10000);
+
+    return cluster;
+  }
+
+  private Configuration getConfigurationForReservation() {
+    Configuration conf = new Configuration();
+    if (schedulerType == SchedulerType.FAIR) {
+      conf = configureReservationForFairScheduler();
+      conf.set(YarnConfiguration.RM_SCHEDULER, FairScheduler.class.getName());
+    } else if (schedulerType == SchedulerType.CAPACITY) {
+      conf = configureReservationForCapacityScheduler();
+      conf.set(YarnConfiguration.RM_SCHEDULER,
+          CapacityScheduler.class.getName());
+    }
+
+    conf.setBoolean(YarnConfiguration.RM_RESERVATION_SYSTEM_ENABLE, true);
+    return conf;
+  }
+
+  private Configuration configureReservationForCapacityScheduler() {
+    CapacitySchedulerConfiguration conf = new CapacitySchedulerConfiguration();
+    ReservationSystemTestUtil.setupQueueConfiguration(conf);
+    return conf;
+  }
+
+  private Configuration configureReservationForFairScheduler() {
+    Configuration conf = new Configuration();
+    try {
+      PrintWriter out = new PrintWriter(new FileWriter(FS_ALLOC_FILE));
+      out.println("<?xml version=\"1.0\"?>");
+      out.println("<allocations>");
+      out.println("<queue name=\"root\">");
+      out.println("  <queue name=\"default\"></queue>");
+      out.println("  <queue name=\"dedicated\">");
+      out.println("    <reservation></reservation>");
+      // set weight to 10 to make sure this queue get enough steady fair share
+      out.println("    <weight>10</weight>");
+      out.println("  </queue>");
+      out.println("</queue>");
+      out.println("<defaultQueueSchedulingPolicy>drf" +
+          "</defaultQueueSchedulingPolicy>");
+      out.println("</allocations>");
+      out.close();
+    } catch (IOException e) {
+      Assert.fail(e.getMessage());
+    }
+
+    conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, FS_ALLOC_FILE);
+    return conf;
+  }
+
+  private YarnClient setupYarnClient(MiniYARNCluster cluster) {
+    final Configuration yarnConf = cluster.getConfig();
+    YarnClient client = YarnClient.createYarnClient();
+    client.init(yarnConf);
+    client.start();
+    return client;
+  }
+
+  private ReservationSubmissionRequest submitReservationTestHelper(
+      YarnClient client, long arrival, long deadline, long duration)
+      throws IOException, YarnException {
+    ReservationId reservationID = client.createReservation().getReservationId();
+    ReservationSubmissionRequest sRequest = createSimpleReservationRequest(
+        reservationID, 4, arrival, deadline, duration);
+    ReservationSubmissionResponse sResponse =
+        client.submitReservation(sRequest);
+    Assert.assertNotNull(sResponse);
+    Assert.assertNotNull(reservationID);
+    System.out.println("Submit reservation response: " + reservationID);
+
+    return sRequest;
+  }
+
+  @Before
+  public void setup() {
+    QueueMetrics.clearQueueMetrics();
+    DefaultMetricsSystem.setMiniClusterMode(true);
+  }
+
+  @Test
+  public void testCreateReservation() throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      // Submit the reservation again with the same request and make sure it
+      // passes.
+      client.submitReservation(sRequest);
+
+      // Submit the reservation with the same reservation id but different
+      // reservation definition, and ensure YarnException is thrown.
+      arrival = clock.getTime();
+      ReservationDefinition rDef = sRequest.getReservationDefinition();
+      rDef.setArrival(arrival + duration);
+      sRequest.setReservationDefinition(rDef);
+      try {
+        client.submitReservation(sRequest);
+        Assert.fail("Reservation submission should fail if a duplicate "
+            + "reservation id is used, but the reservation definition has been "
+            + "updated.");
+      } catch (Exception e) {
+        Assert.assertTrue(e instanceof YarnException);
+      }
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  @Test
+  public void testUpdateReservation() throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      ReservationDefinition rDef = sRequest.getReservationDefinition();
+      ReservationRequest rr =
+          rDef.getReservationRequests().getReservationResources().get(0);
+      ReservationId reservationID = sRequest.getReservationId();
+      rr.setNumContainers(5);
+      arrival = clock.getTime();
+      duration = 30000;
+      deadline = (long) (arrival + 1.05 * duration);
+      rr.setDuration(duration);
+      rDef.setArrival(arrival);
+      rDef.setDeadline(deadline);
+      ReservationUpdateRequest uRequest =
+          ReservationUpdateRequest.newInstance(rDef, reservationID);
+      ReservationUpdateResponse uResponse = client.updateReservation(uRequest);
+      Assert.assertNotNull(uResponse);
+      System.out.println("Update reservation response: " + uResponse);
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  private ReservationSubmissionRequest createSimpleReservationRequest(
+      ReservationId reservationId, int numContainers, long arrival,
+      long deadline, long duration) {
+    // create a request with a single atomic ask
+    ReservationRequest r =
+        ReservationRequest.newInstance(Resource.newInstance(1024, 1),
+            numContainers, 1, duration);
+    ReservationRequests reqs =
+        ReservationRequests.newInstance(Collections.singletonList(r),
+            ReservationRequestInterpreter.R_ALL);
+    ReservationDefinition rDef =
+        ReservationDefinition.newInstance(arrival, deadline, reqs,
+            "testYarnClient#reservation");
+    ReservationSubmissionRequest request =
+        ReservationSubmissionRequest.newInstance(rDef,
+            ReservationSystemTestUtil.reservationQ, reservationId);
+    return request;
+  }
+
+
+  @Test
+  public void testListReservationsByReservationId() throws Exception{
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      ReservationId reservationID = sRequest.getReservationId();
+      ReservationListRequest request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, reservationID.toString(), -1,
+          -1, false);
+      ReservationListResponse response = client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(1, response.getReservationAllocationState().size());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getReservationId().getId(), reservationID.getId());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getResourceAllocationRequests().size(), 0);
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  @Test
+  public void testListReservationsByTimeInterval() throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      // List reservations, search by a point in time within the reservation
+      // range.
+      arrival = clock.getTime();
+      ReservationId reservationID = sRequest.getReservationId();
+      ReservationListRequest request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", arrival + duration / 2,
+          arrival + duration / 2, true);
+
+      ReservationListResponse response = client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(1, response.getReservationAllocationState().size());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getReservationId().getId(), reservationID.getId());
+      // List reservations, search by time within reservation interval.
+      request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", 1, Long.MAX_VALUE, true);
+
+      response = client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(1, response.getReservationAllocationState().size());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getReservationId().getId(), reservationID.getId());
+      // Verify that the full resource allocations exist.
+      Assert.assertTrue(response.getReservationAllocationState().get(0)
+          .getResourceAllocationRequests().size() > 0);
+
+      // Verify that the full RDL is returned.
+      ReservationRequests reservationRequests =
+          response.getReservationAllocationState().get(0)
+              .getReservationDefinition().getReservationRequests();
+      Assert.assertEquals("R_ALL",
+          reservationRequests.getInterpreter().toString());
+      Assert.assertTrue(reservationRequests.getReservationResources().get(0)
+          .getDuration() == duration);
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  @Test
+  public void testListReservationsByInvalidTimeInterval() throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      // List reservations, search by invalid end time == -1.
+      ReservationListRequest request = ReservationListRequest
+          .newInstance(ReservationSystemTestUtil.reservationQ, "", 1, -1, true);
+
+      ReservationListResponse response = client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(1, response.getReservationAllocationState().size());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getReservationId().getId(), sRequest.getReservationId().getId());
+
+      // List reservations, search by invalid end time < -1.
+      request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", 1, -10, true);
+
+      response = client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(1, response.getReservationAllocationState().size());
+      Assert.assertEquals(response.getReservationAllocationState().get(0)
+          .getReservationId().getId(), sRequest.getReservationId().getId());
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  @Test
+  public void testListReservationsByTimeIntervalContainingNoReservations()
+      throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      // List reservations, search by very large start time.
+      ReservationListRequest request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", Long.MAX_VALUE, -1,
+          false);
+
+      ReservationListResponse response = client.listReservations(request);
+
+      // Ensure all reservations are filtered out.
+      Assert.assertNotNull(response);
+      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
+
+      duration = 30000;
+      deadline = sRequest.getReservationDefinition().getDeadline();
+
+      // List reservations, search by start time after the reservation
+      // end time.
+      request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", deadline + duration,
+          deadline + 2 * duration, false);
+
+      response = client.listReservations(request);
+
+      // Ensure all reservations are filtered out.
+      Assert.assertNotNull(response);
+      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
+
+      arrival = clock.getTime();
+      // List reservations, search by end time before the reservation start
+      // time.
+      request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, "", 0, arrival - duration,
+          false);
+
+      response = client.listReservations(request);
+
+      // Ensure all reservations are filtered out.
+      Assert.assertNotNull(response);
+      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
+
+      // List reservations, search by very small end time.
+      request = ReservationListRequest
+          .newInstance(ReservationSystemTestUtil.reservationQ, "", 0, 1, false);
+
+      response = client.listReservations(request);
+
+      // Ensure all reservations are filtered out.
+      Assert.assertNotNull(response);
+      Assert.assertEquals(response.getReservationAllocationState().size(), 0);
+
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+  @Test
+  public void testReservationDelete() throws Exception {
+    MiniYARNCluster cluster = setupMiniYARNCluster();
+    YarnClient client = setupYarnClient(cluster);
+    try {
+      Clock clock = new UTCClock();
+      long arrival = clock.getTime();
+      long duration = 60000;
+      long deadline = (long) (arrival + 1.05 * duration);
+      ReservationSubmissionRequest sRequest =
+          submitReservationTestHelper(client, arrival, deadline, duration);
+
+      ReservationId reservationID = sRequest.getReservationId();
+      // Delete the reservation
+      ReservationDeleteRequest dRequest =
+          ReservationDeleteRequest.newInstance(reservationID);
+      ReservationDeleteResponse dResponse = client.deleteReservation(dRequest);
+      Assert.assertNotNull(dResponse);
+      System.out.println("Delete reservation response: " + dResponse);
+
+      // List reservations, search by non-existent reservationID
+      ReservationListRequest request = ReservationListRequest.newInstance(
+          ReservationSystemTestUtil.reservationQ, reservationID.toString(), -1,
+          -1, false);
+
+      ReservationListResponse response =  client.listReservations(request);
+      Assert.assertNotNull(response);
+      Assert.assertEquals(0, response.getReservationAllocationState().size());
+    } finally {
+      // clean-up
+      if (client != null) {
+        client.stop();
+      }
+      cluster.stop();
+    }
+  }
+
+}