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* 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.
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package org.apache.hadoop.yarn.server.resourcemanager.scheduler;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import java.net.InetSocketAddress;
import java.security.PrivilegedAction;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.security.token.TokenIdentifier;
import org.apache.hadoop.yarn.api.ApplicationMasterProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest;
import org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerExitStatus;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceBlacklistRequest;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.api.records.impl.pb.ResourceRequestPBImpl;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.InvalidResourceBlacklistRequestException;
import org.apache.hadoop.yarn.exceptions.InvalidResourceRequestException;
import org.apache.hadoop.yarn.ipc.YarnRPC;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization.MockRMWithAMS;
import org.apache.hadoop.yarn.server.resourcemanager.TestAMAuthorization.MyContainerManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.apache.hadoop.yarn.util.Records;
import org.apache.hadoop.yarn.util.resource.DefaultResourceCalculator;
import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
import org.apache.hadoop.yarn.util.resource.Resources;
import org.junit.Assert;
import org.junit.Test;
public class TestSchedulerUtils {
private static final Log LOG = LogFactory.getLog(TestSchedulerUtils.class);
@Test (timeout = 30000)
public void testNormalizeRequest() {
ResourceCalculator resourceCalculator = new DefaultResourceCalculator();
final int minMemory = 1024;
final int maxMemory = 8192;
Resource minResource = Resources.createResource(minMemory, 0);
Resource maxResource = Resources.createResource(maxMemory, 0);
ResourceRequest ask = new ResourceRequestPBImpl();
// case negative memory
ask.setCapability(Resources.createResource(-1024));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(minMemory, ask.getCapability().getMemory());
// case zero memory
ask.setCapability(Resources.createResource(0));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(minMemory, ask.getCapability().getMemory());
// case memory is a multiple of minMemory
ask.setCapability(Resources.createResource(2 * minMemory));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(2 * minMemory, ask.getCapability().getMemory());
// case memory is not a multiple of minMemory
ask.setCapability(Resources.createResource(minMemory + 10));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(2 * minMemory, ask.getCapability().getMemory());
// case memory is equal to max allowed
ask.setCapability(Resources.createResource(maxMemory));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(maxMemory, ask.getCapability().getMemory());
// case memory is just less than max
ask.setCapability(Resources.createResource(maxMemory - 10));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(maxMemory, ask.getCapability().getMemory());
// max is not a multiple of min
maxResource = Resources.createResource(maxMemory - 10, 0);
ask.setCapability(Resources.createResource(maxMemory - 100));
// multiple of minMemory > maxMemory, then reduce to maxMemory
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(maxResource.getMemory(), ask.getCapability().getMemory());
// ask is more than max
maxResource = Resources.createResource(maxMemory, 0);
ask.setCapability(Resources.createResource(maxMemory + 100));
SchedulerUtils.normalizeRequest(ask, resourceCalculator, null, minResource,
maxResource);
assertEquals(maxResource.getMemory(), ask.getCapability().getMemory());
}
@Test (timeout = 30000)
public void testNormalizeRequestWithDominantResourceCalculator() {
ResourceCalculator resourceCalculator = new DominantResourceCalculator();
Resource minResource = Resources.createResource(1024, 1);
Resource maxResource = Resources.createResource(10240, 10);
Resource clusterResource = Resources.createResource(10 * 1024, 10);
ResourceRequest ask = new ResourceRequestPBImpl();
// case negative memory/vcores
ask.setCapability(Resources.createResource(-1024, -1));
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource, maxResource);
assertEquals(minResource, ask.getCapability());
// case zero memory/vcores
ask.setCapability(Resources.createResource(0, 0));
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource, maxResource);
assertEquals(minResource, ask.getCapability());
assertEquals(1, ask.getCapability().getVirtualCores());
assertEquals(1024, ask.getCapability().getMemory());
// case non-zero memory & zero cores
ask.setCapability(Resources.createResource(1536, 0));
SchedulerUtils.normalizeRequest(
ask, resourceCalculator, clusterResource, minResource, maxResource);
assertEquals(Resources.createResource(2048, 1), ask.getCapability());
assertEquals(1, ask.getCapability().getVirtualCores());
assertEquals(2048, ask.getCapability().getMemory());
}
@Test (timeout = 30000)
public void testValidateResourceRequest() {
Resource maxResource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES);
// zero memory
try {
Resource resource = Resources.createResource(
0,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
} catch (InvalidResourceRequestException e) {
fail("Zero memory should be accepted");
}
// zero vcores
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB,
0);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
} catch (InvalidResourceRequestException e) {
fail("Zero vcores should be accepted");
}
// max memory
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
} catch (InvalidResourceRequestException e) {
fail("Max memory should be accepted");
}
// max vcores
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
} catch (InvalidResourceRequestException e) {
fail("Max vcores should not be accepted");
}
// negative memory
try {
Resource resource = Resources.createResource(
-1,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
fail("Negative memory should not be accepted");
} catch (InvalidResourceRequestException e) {
// expected
}
// negative vcores
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB,
-1);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
fail("Negative vcores should not be accepted");
} catch (InvalidResourceRequestException e) {
// expected
}
// more than max memory
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_MB + 1,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_VCORES);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
fail("More than max memory should not be accepted");
} catch (InvalidResourceRequestException e) {
// expected
}
// more than max vcores
try {
Resource resource = Resources.createResource(
YarnConfiguration.DEFAULT_RM_SCHEDULER_MINIMUM_ALLOCATION_MB,
YarnConfiguration.DEFAULT_RM_SCHEDULER_MAXIMUM_ALLOCATION_VCORES
+ 1);
ResourceRequest resReq = BuilderUtils.newResourceRequest(
mock(Priority.class), ResourceRequest.ANY, resource, 1);
SchedulerUtils.validateResourceRequest(resReq, maxResource);
fail("More than max vcores should not be accepted");
} catch (InvalidResourceRequestException e) {
// expected
}
}
@Test
public void testValidateResourceBlacklistRequest() throws Exception {
MyContainerManager containerManager = new MyContainerManager();
final MockRMWithAMS rm =
new MockRMWithAMS(new YarnConfiguration(), containerManager);
rm.start();
MockNM nm1 = rm.registerNode("localhost:1234", 5120);
Map<ApplicationAccessType, String> acls =
new HashMap<ApplicationAccessType, String>(2);
acls.put(ApplicationAccessType.VIEW_APP, "*");
RMApp app = rm.submitApp(1024, "appname", "appuser", acls);
nm1.nodeHeartbeat(true);
RMAppAttempt attempt = app.getCurrentAppAttempt();
ApplicationAttemptId applicationAttemptId = attempt.getAppAttemptId();
waitForLaunchedState(attempt);
// Create a client to the RM.
final Configuration conf = rm.getConfig();
final YarnRPC rpc = YarnRPC.create(conf);
UserGroupInformation currentUser =
UserGroupInformation.createRemoteUser(applicationAttemptId.toString());
Credentials credentials = containerManager.getContainerCredentials();
final InetSocketAddress rmBindAddress =
rm.getApplicationMasterService().getBindAddress();
Token<? extends TokenIdentifier> amRMToken =
MockRMWithAMS.setupAndReturnAMRMToken(rmBindAddress,
credentials.getAllTokens());
currentUser.addToken(amRMToken);
ApplicationMasterProtocol client =
currentUser.doAs(new PrivilegedAction<ApplicationMasterProtocol>() {
@Override
public ApplicationMasterProtocol run() {
return (ApplicationMasterProtocol) rpc.getProxy(
ApplicationMasterProtocol.class, rmBindAddress, conf);
}
});
RegisterApplicationMasterRequest request = Records
.newRecord(RegisterApplicationMasterRequest.class);
client.registerApplicationMaster(request);
ResourceBlacklistRequest blacklistRequest =
ResourceBlacklistRequest.newInstance(
Collections.singletonList(ResourceRequest.ANY), null);
AllocateRequest allocateRequest =
AllocateRequest.newInstance(0, 0.0f, null, null, blacklistRequest);
boolean error = false;
try {
client.allocate(allocateRequest);
} catch (InvalidResourceBlacklistRequestException e) {
error = true;
}
rm.stop();
Assert.assertTrue(
"Didn't not catch InvalidResourceBlacklistRequestException", error);
}
private void waitForLaunchedState(RMAppAttempt attempt)
throws InterruptedException {
int waitCount = 0;
while (attempt.getAppAttemptState() != RMAppAttemptState.LAUNCHED
&& waitCount++ < 20) {
LOG.info("Waiting for AppAttempt to reach LAUNCHED state. "
+ "Current state is " + attempt.getAppAttemptState());
Thread.sleep(1000);
}
Assert.assertEquals(attempt.getAppAttemptState(),
RMAppAttemptState.LAUNCHED);
}
@Test
public void testComparePriorities(){
Priority high = Priority.newInstance(1);
Priority low = Priority.newInstance(2);
assertTrue(high.compareTo(low) > 0);
}
@Test
public void testCreateAbnormalContainerStatus() {
ContainerStatus cd = SchedulerUtils.createAbnormalContainerStatus(
ContainerId.newInstance(ApplicationAttemptId.newInstance(
ApplicationId.newInstance(System.currentTimeMillis(), 1), 1), 1), "x");
Assert.assertEquals(ContainerExitStatus.ABORTED, cd.getExitStatus());
}
@Test
public void testCreatePreemptedContainerStatus() {
ContainerStatus cd = SchedulerUtils.createPreemptedContainerStatus(
ContainerId.newInstance(ApplicationAttemptId.newInstance(
ApplicationId.newInstance(System.currentTimeMillis(), 1), 1), 1), "x");
Assert.assertEquals(ContainerExitStatus.PREEMPTED, cd.getExitStatus());
}
}