protected internal virtual ContainerExecutor CreateContainerExecutor()
{
DefaultContainerExecutor exec = new DefaultContainerExecutor();
exec.SetConf(conf);
return(exec);
}
public virtual void TestContainerLaunchAndStop()
{
containerManager.Start();
FilePath scriptFile = Shell.AppendScriptExtension(tmpDir, "scriptFile");
PrintWriter fileWriter = new PrintWriter(scriptFile);
FilePath processStartFile = new FilePath(tmpDir, "start_file.txt").GetAbsoluteFile
();
// ////// Construct the Container-id
ContainerId cId = CreateContainerId(0);
if (Shell.Windows)
{
fileWriter.WriteLine("@echo Hello World!> " + processStartFile);
fileWriter.WriteLine("@echo " + cId + ">> " + processStartFile);
fileWriter.WriteLine("@ping -n 100 127.0.0.1 >nul");
}
else
{
fileWriter.Write("\numask 0");
// So that start file is readable by the test
fileWriter.Write("\necho Hello World! > " + processStartFile);
fileWriter.Write("\necho $$ >> " + processStartFile);
fileWriter.Write("\nexec sleep 100");
}
fileWriter.Close();
ContainerLaunchContext containerLaunchContext = recordFactory.NewRecordInstance <ContainerLaunchContext
>();
URL resource_alpha = ConverterUtils.GetYarnUrlFromPath(localFS.MakeQualified(new
Path(scriptFile.GetAbsolutePath())));
LocalResource rsrc_alpha = recordFactory.NewRecordInstance <LocalResource>();
rsrc_alpha.SetResource(resource_alpha);
rsrc_alpha.SetSize(-1);
rsrc_alpha.SetVisibility(LocalResourceVisibility.Application);
rsrc_alpha.SetType(LocalResourceType.File);
rsrc_alpha.SetTimestamp(scriptFile.LastModified());
string destinationFile = "dest_file";
IDictionary <string, LocalResource> localResources = new Dictionary <string, LocalResource
>();
localResources[destinationFile] = rsrc_alpha;
containerLaunchContext.SetLocalResources(localResources);
IList <string> commands = Arrays.AsList(Shell.GetRunScriptCommand(scriptFile));
containerLaunchContext.SetCommands(commands);
StartContainerRequest scRequest = StartContainerRequest.NewInstance(containerLaunchContext
, CreateContainerToken(cId, DummyRmIdentifier, context.GetNodeId(), user, context
.GetContainerTokenSecretManager()));
IList <StartContainerRequest> list = new AList <StartContainerRequest>();
list.AddItem(scRequest);
StartContainersRequest allRequests = StartContainersRequest.NewInstance(list);
containerManager.StartContainers(allRequests);
int timeoutSecs = 0;
while (!processStartFile.Exists() && timeoutSecs++ < 20)
{
Sharpen.Thread.Sleep(1000);
Log.Info("Waiting for process start-file to be created");
}
NUnit.Framework.Assert.IsTrue("ProcessStartFile doesn't exist!", processStartFile
.Exists());
// Now verify the contents of the file
BufferedReader reader = new BufferedReader(new FileReader(processStartFile));
NUnit.Framework.Assert.AreEqual("Hello World!", reader.ReadLine());
// Get the pid of the process
string pid = reader.ReadLine().Trim();
// No more lines
NUnit.Framework.Assert.AreEqual(null, reader.ReadLine());
// Now test the stop functionality.
// Assert that the process is alive
NUnit.Framework.Assert.IsTrue("Process is not alive!", DefaultContainerExecutor.ContainerIsAlive
(pid));
// Once more
NUnit.Framework.Assert.IsTrue("Process is not alive!", DefaultContainerExecutor.ContainerIsAlive
(pid));
IList <ContainerId> containerIds = new AList <ContainerId>();
containerIds.AddItem(cId);
StopContainersRequest stopRequest = StopContainersRequest.NewInstance(containerIds
);
containerManager.StopContainers(stopRequest);
BaseContainerManagerTest.WaitForContainerState(containerManager, cId, ContainerState
.Complete);
GetContainerStatusesRequest gcsRequest = GetContainerStatusesRequest.NewInstance(
containerIds);
ContainerStatus containerStatus = containerManager.GetContainerStatuses(gcsRequest
).GetContainerStatuses()[0];
int expectedExitCode = ContainerExitStatus.KilledByAppmaster;
NUnit.Framework.Assert.AreEqual(expectedExitCode, containerStatus.GetExitStatus()
);
// Assert that the process is not alive anymore
NUnit.Framework.Assert.IsFalse("Process is still alive!", DefaultContainerExecutor
.ContainerIsAlive(pid));
}
