// Test verify for AM issued with rolled-over AMRMToken
// is still able to communicate with restarted RM.
/// <exception cref="System.Exception"/>
public virtual void TestAMRMClientOnAMRMTokenRollOverOnRMRestart()
{
conf.SetLong(YarnConfiguration.RmAmrmTokenMasterKeyRollingIntervalSecs, rolling_interval_sec
);
conf.SetLong(YarnConfiguration.RmAmExpiryIntervalMs, am_expire_ms);
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.Init(conf);
// start first RM
TestAMRMClientOnRMRestart.MyResourceManager2 rm1 = new TestAMRMClientOnRMRestart.MyResourceManager2
(conf, memStore);
rm1.Start();
DrainDispatcher dispatcher = (DrainDispatcher)rm1.GetRMContext().GetDispatcher();
long startTime = Runtime.CurrentTimeMillis();
// Submit the application
RMApp app = rm1.SubmitApp(1024);
dispatcher.Await();
MockNM nm1 = new MockNM("h1:1234", 15120, rm1.GetResourceTrackerService());
nm1.RegisterNode();
nm1.NodeHeartbeat(true);
// Node heartbeat
dispatcher.Await();
ApplicationAttemptId appAttemptId = app.GetCurrentAppAttempt().GetAppAttemptId();
rm1.SendAMLaunched(appAttemptId);
dispatcher.Await();
AMRMTokenSecretManager amrmTokenSecretManagerForRM1 = rm1.GetRMContext().GetAMRMTokenSecretManager
();
Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = amrmTokenSecretManagerForRM1
.CreateAndGetAMRMToken(appAttemptId);
UserGroupInformation ugi = UserGroupInformation.GetCurrentUser();
ugi.AddTokenIdentifier(token.DecodeIdentifier());
AMRMClient <AMRMClient.ContainerRequest> amClient = new TestAMRMClientOnRMRestart.MyAMRMClientImpl
(rm1);
amClient.Init(conf);
amClient.Start();
amClient.RegisterApplicationMaster("h1", 10000, string.Empty);
amClient.Allocate(0.1f);
// Wait for enough time and make sure the roll_over happens
// At mean time, the old AMRMToken should continue to work
while (Runtime.CurrentTimeMillis() - startTime < rolling_interval_sec * 1000)
{
amClient.Allocate(0.1f);
try
{
Sharpen.Thread.Sleep(1000);
}
catch (Exception)
{
}
}
// DO NOTHING
NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetMasterKey().GetMasterKey
().GetKeyId() != token.DecodeIdentifier().GetKeyId());
amClient.Allocate(0.1f);
// active the nextMasterKey, and replace the currentMasterKey
Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> newToken = amrmTokenSecretManagerForRM1
.CreateAndGetAMRMToken(appAttemptId);
int waitCount = 0;
while (waitCount++ <= 50)
{
if (amrmTokenSecretManagerForRM1.GetCurrnetMasterKeyData().GetMasterKey().GetKeyId
() != token.DecodeIdentifier().GetKeyId())
{
break;
}
try
{
amClient.Allocate(0.1f);
}
catch (Exception)
{
break;
}
Sharpen.Thread.Sleep(500);
}
NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetNextMasterKeyData()
== null);
NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM1.GetCurrnetMasterKeyData
().GetMasterKey().GetKeyId() == newToken.DecodeIdentifier().GetKeyId());
// start 2nd RM
conf.Set(YarnConfiguration.RmSchedulerAddress, "0.0.0.0:9030");
TestAMRMClientOnRMRestart.MyResourceManager2 rm2 = new TestAMRMClientOnRMRestart.MyResourceManager2
(conf, memStore);
rm2.Start();
nm1.SetResourceTrackerService(rm2.GetResourceTrackerService());
((TestAMRMClientOnRMRestart.MyAMRMClientImpl)amClient).UpdateRMProxy(rm2);
dispatcher = (DrainDispatcher)rm2.GetRMContext().GetDispatcher();
AMRMTokenSecretManager amrmTokenSecretManagerForRM2 = rm2.GetRMContext().GetAMRMTokenSecretManager
();
NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM2.GetCurrnetMasterKeyData
().GetMasterKey().GetKeyId() == newToken.DecodeIdentifier().GetKeyId());
NUnit.Framework.Assert.IsTrue(amrmTokenSecretManagerForRM2.GetNextMasterKeyData()
== null);
try
{
UserGroupInformation testUser = UserGroupInformation.CreateRemoteUser("testUser");
SecurityUtil.SetTokenService(token, rm2.GetApplicationMasterService().GetBindAddress
());
testUser.AddToken(token);
testUser.DoAs(new _PrivilegedAction_480(rm2)).Allocate(Org.Apache.Hadoop.Yarn.Util.Records
.NewRecord <AllocateRequest>());
NUnit.Framework.Assert.Fail("The old Token should not work");
}
catch (Exception ex)
{
NUnit.Framework.Assert.IsTrue(ex is SecretManager.InvalidToken);
NUnit.Framework.Assert.IsTrue(ex.Message.Contains("Invalid AMRMToken from " + token
.DecodeIdentifier().GetApplicationAttemptId()));
}
// make sure the recovered AMRMToken works for new RM
amClient.Allocate(0.1f);
amClient.UnregisterApplicationMaster(FinalApplicationStatus.Succeeded, null, null
);
amClient.Stop();
rm1.Stop();
rm2.Stop();
}
/// <exception cref="System.Exception"/>
private void SyncNodeHeartbeat(MockNM nm, bool health)
{
nm.NodeHeartbeat(health);
dispatcher.Await();
}
// Test verify for
// 1. AM try to unregister without registering
// 2. AM register to RM, and try to unregister immediately after RM restart
/// <exception cref="System.Exception"/>
public virtual void TestAMRMClientForUnregisterAMOnRMRestart()
{
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.Init(conf);
// Phase-1 Start 1st RM
TestAMRMClientOnRMRestart.MyResourceManager rm1 = new TestAMRMClientOnRMRestart.MyResourceManager
(conf, memStore);
rm1.Start();
DrainDispatcher dispatcher = (DrainDispatcher)rm1.GetRMContext().GetDispatcher();
// Submit the application
RMApp app = rm1.SubmitApp(1024);
dispatcher.Await();
MockNM nm1 = new MockNM("h1:1234", 15120, rm1.GetResourceTrackerService());
nm1.RegisterNode();
nm1.NodeHeartbeat(true);
// Node heartbeat
dispatcher.Await();
ApplicationAttemptId appAttemptId = app.GetCurrentAppAttempt().GetAppAttemptId();
rm1.SendAMLaunched(appAttemptId);
dispatcher.Await();
Org.Apache.Hadoop.Security.Token.Token <AMRMTokenIdentifier> token = rm1.GetRMContext
().GetRMApps()[appAttemptId.GetApplicationId()].GetRMAppAttempt(appAttemptId).GetAMRMToken
();
UserGroupInformation ugi = UserGroupInformation.GetCurrentUser();
ugi.AddTokenIdentifier(token.DecodeIdentifier());
AMRMClient <AMRMClient.ContainerRequest> amClient = new TestAMRMClientOnRMRestart.MyAMRMClientImpl
(rm1);
amClient.Init(conf);
amClient.Start();
amClient.RegisterApplicationMaster("h1", 10000, string.Empty);
amClient.Allocate(0.1f);
// Phase-2 start 2nd RM is up
TestAMRMClientOnRMRestart.MyResourceManager rm2 = new TestAMRMClientOnRMRestart.MyResourceManager
(conf, memStore);
rm2.Start();
nm1.SetResourceTrackerService(rm2.GetResourceTrackerService());
((TestAMRMClientOnRMRestart.MyAMRMClientImpl)amClient).UpdateRMProxy(rm2);
dispatcher = (DrainDispatcher)rm2.GetRMContext().GetDispatcher();
// NM should be rebooted on heartbeat, even first heartbeat for nm2
NodeHeartbeatResponse hbResponse = nm1.NodeHeartbeat(true);
NUnit.Framework.Assert.AreEqual(NodeAction.Resync, hbResponse.GetNodeAction());
// new NM to represent NM re-register
nm1 = new MockNM("h1:1234", 10240, rm2.GetResourceTrackerService());
ContainerId containerId = ContainerId.NewContainerId(appAttemptId, 1);
NMContainerStatus containerReport = NMContainerStatus.NewInstance(containerId, ContainerState
.Running, Resource.NewInstance(1024, 1), "recover container", 0, Priority.NewInstance
(0), 0);
nm1.RegisterNode(Arrays.AsList(containerReport), null);
nm1.NodeHeartbeat(true);
dispatcher.Await();
amClient.UnregisterApplicationMaster(FinalApplicationStatus.Succeeded, null, null
);
rm2.WaitForState(appAttemptId, RMAppAttemptState.Finishing);
nm1.NodeHeartbeat(appAttemptId, 1, ContainerState.Complete);
rm2.WaitForState(appAttemptId, RMAppAttemptState.Finished);
rm2.WaitForState(app.GetApplicationId(), RMAppState.Finished);
amClient.Stop();
rm1.Stop();
rm2.Stop();
}
public virtual void TestAMRMUnusableNodes()
{
MockNM nm1 = rm.RegisterNode("127.0.0.1:1234", 10000);
MockNM nm2 = rm.RegisterNode("127.0.0.2:1234", 10000);
MockNM nm3 = rm.RegisterNode("127.0.0.3:1234", 10000);
MockNM nm4 = rm.RegisterNode("127.0.0.4:1234", 10000);
dispatcher.Await();
RMApp app1 = rm.SubmitApp(2000);
// Trigger the scheduling so the AM gets 'launched' on nm1
nm1.NodeHeartbeat(true);
RMAppAttempt attempt1 = app1.GetCurrentAppAttempt();
MockAM am1 = rm.SendAMLaunched(attempt1.GetAppAttemptId());
// register AM returns no unusable node
am1.RegisterAppAttempt();
// allocate request returns no updated node
AllocateRequest allocateRequest1 = AllocateRequest.NewInstance(0, 0F, null, null,
null);
AllocateResponse response1 = Allocate(attempt1.GetAppAttemptId(), allocateRequest1
);
IList <NodeReport> updatedNodes = response1.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(0, updatedNodes.Count);
SyncNodeHeartbeat(nm4, false);
// allocate request returns updated node
allocateRequest1 = AllocateRequest.NewInstance(response1.GetResponseId(), 0F, null
, null, null);
response1 = Allocate(attempt1.GetAppAttemptId(), allocateRequest1);
updatedNodes = response1.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(1, updatedNodes.Count);
NodeReport nr = updatedNodes.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(nm4.GetNodeId(), nr.GetNodeId());
NUnit.Framework.Assert.AreEqual(NodeState.Unhealthy, nr.GetNodeState());
// resending the allocate request returns the same result
response1 = Allocate(attempt1.GetAppAttemptId(), allocateRequest1);
updatedNodes = response1.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(1, updatedNodes.Count);
nr = updatedNodes.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(nm4.GetNodeId(), nr.GetNodeId());
NUnit.Framework.Assert.AreEqual(NodeState.Unhealthy, nr.GetNodeState());
SyncNodeLost(nm3);
// subsequent allocate request returns delta
allocateRequest1 = AllocateRequest.NewInstance(response1.GetResponseId(), 0F, null
, null, null);
response1 = Allocate(attempt1.GetAppAttemptId(), allocateRequest1);
updatedNodes = response1.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(1, updatedNodes.Count);
nr = updatedNodes.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(nm3.GetNodeId(), nr.GetNodeId());
NUnit.Framework.Assert.AreEqual(NodeState.Lost, nr.GetNodeState());
// registering another AM gives it the complete failed list
RMApp app2 = rm.SubmitApp(2000);
// Trigger nm2 heartbeat so that AM gets launched on it
nm2.NodeHeartbeat(true);
RMAppAttempt attempt2 = app2.GetCurrentAppAttempt();
MockAM am2 = rm.SendAMLaunched(attempt2.GetAppAttemptId());
// register AM returns all unusable nodes
am2.RegisterAppAttempt();
// allocate request returns no updated node
AllocateRequest allocateRequest2 = AllocateRequest.NewInstance(0, 0F, null, null,
null);
AllocateResponse response2 = Allocate(attempt2.GetAppAttemptId(), allocateRequest2
);
updatedNodes = response2.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(0, updatedNodes.Count);
SyncNodeHeartbeat(nm4, true);
// both AM's should get delta updated nodes
allocateRequest1 = AllocateRequest.NewInstance(response1.GetResponseId(), 0F, null
, null, null);
response1 = Allocate(attempt1.GetAppAttemptId(), allocateRequest1);
updatedNodes = response1.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(1, updatedNodes.Count);
nr = updatedNodes.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(nm4.GetNodeId(), nr.GetNodeId());
NUnit.Framework.Assert.AreEqual(NodeState.Running, nr.GetNodeState());
allocateRequest2 = AllocateRequest.NewInstance(response2.GetResponseId(), 0F, null
, null, null);
response2 = Allocate(attempt2.GetAppAttemptId(), allocateRequest2);
updatedNodes = response2.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(1, updatedNodes.Count);
nr = updatedNodes.GetEnumerator().Next();
NUnit.Framework.Assert.AreEqual(nm4.GetNodeId(), nr.GetNodeId());
NUnit.Framework.Assert.AreEqual(NodeState.Running, nr.GetNodeState());
// subsequent allocate calls should return no updated nodes
allocateRequest2 = AllocateRequest.NewInstance(response2.GetResponseId(), 0F, null
, null, null);
response2 = Allocate(attempt2.GetAppAttemptId(), allocateRequest2);
updatedNodes = response2.GetUpdatedNodes();
NUnit.Framework.Assert.AreEqual(0, updatedNodes.Count);
}