// This test tests new container requests are blocked when NM starts from
// scratch until it register with RM AND while NM is resyncing with RM
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public virtual void TestBlockNewContainerRequestsOnStartAndResync()
{
NodeManager nm = new TestNodeManagerResync.TestNodeManager2(this);
YarnConfiguration conf = CreateNMConfig();
conf.SetBoolean(YarnConfiguration.RmWorkPreservingRecoveryEnabled, false);
nm.Init(conf);
nm.Start();
// Start the container in running state
ContainerId cId = TestNodeManagerShutdown.CreateContainerId();
TestNodeManagerShutdown.StartContainer(nm, cId, localFS, tmpDir, processStartFile
);
nm.GetNMDispatcher().GetEventHandler().Handle(new NodeManagerEvent(NodeManagerEventType
.Resync));
try
{
syncBarrier.Await();
}
catch (BrokenBarrierException)
{
}
NUnit.Framework.Assert.IsFalse(assertionFailedInThread.Get());
nm.Stop();
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.Exception"/>
protected internal virtual void TestContainerPreservationOnResyncImpl(TestNodeManagerResync.TestNodeManager1
nm, bool isWorkPreservingRestartEnabled)
{
YarnConfiguration conf = CreateNMConfig();
conf.SetBoolean(YarnConfiguration.RmWorkPreservingRecoveryEnabled, isWorkPreservingRestartEnabled
);
try
{
nm.Init(conf);
nm.Start();
ContainerId cId = TestNodeManagerShutdown.CreateContainerId();
TestNodeManagerShutdown.StartContainer(nm, cId, localFS, tmpDir, processStartFile
);
nm.SetExistingContainerId(cId);
NUnit.Framework.Assert.AreEqual(1, ((TestNodeManagerResync.TestNodeManager1)nm).GetNMRegistrationCount
());
nm.GetNMDispatcher().GetEventHandler().Handle(resyncEvent);
try
{
syncBarrier.Await();
}
catch (BrokenBarrierException)
{
}
NUnit.Framework.Assert.AreEqual(2, ((TestNodeManagerResync.TestNodeManager1)nm).GetNMRegistrationCount
());
// Only containers should be killed on resync, apps should lie around.
// That way local resources for apps can be used beyond resync without
// relocalization
NUnit.Framework.Assert.IsTrue(nm.GetNMContext().GetApplications().Contains(cId.GetApplicationAttemptId
().GetApplicationId()));
NUnit.Framework.Assert.IsFalse(assertionFailedInThread.Get());
}
finally
{
nm.Stop();
}
}