private void VerifyClientConnection()
{
int numRetries = 3;
while (numRetries-- > 0)
{
Configuration conf = new YarnConfiguration(this.conf);
YarnClient client = YarnClient.CreateYarnClient();
client.Init(conf);
client.Start();
try
{
client.GetApplications();
return;
}
catch (Exception e)
{
Log.Error(e);
}
finally
{
client.Stop();
}
}
NUnit.Framework.Assert.Fail("Client couldn't connect to the Active RM");
}
protected internal virtual void VerifyClientConnection()
{
int numRetries = 3;
while (numRetries-- > 0)
{
Configuration conf = new YarnConfiguration(this.conf);
YarnClient client = CreateAndStartYarnClient(conf);
try
{
Sharpen.Thread.Sleep(100);
client.GetApplications();
return;
}
catch (Exception e)
{
Log.Error(e.Message);
}
finally
{
client.Stop();
}
}
NUnit.Framework.Assert.Fail("Client couldn't connect to the Active RM");
}
public virtual void ShutDown()
{
if (client != null)
{
client.Stop();
}
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
public virtual bool Run()
{
Log.Info("Starting Client");
// Connect to ResourceManager
rmClient.Start();
try
{
// Create launch context for app master
Log.Info("Setting up application submission context for ASM");
ApplicationSubmissionContext appContext = rmClient.CreateApplication().GetApplicationSubmissionContext
();
ApplicationId appId = appContext.GetApplicationId();
// set the application name
appContext.SetApplicationName(appName);
// Set the priority for the application master
Priority pri = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <Priority>();
pri.SetPriority(amPriority);
appContext.SetPriority(pri);
// Set the queue to which this application is to be submitted in the RM
appContext.SetQueue(amQueue);
// Set up the container launch context for the application master
ContainerLaunchContext amContainer = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord
<ContainerLaunchContext>();
appContext.SetAMContainerSpec(amContainer);
// unmanaged AM
appContext.SetUnmanagedAM(true);
Log.Info("Setting unmanaged AM");
// Submit the application to the applications manager
Log.Info("Submitting application to ASM");
rmClient.SubmitApplication(appContext);
ApplicationReport appReport = MonitorApplication(appId, EnumSet.Of(YarnApplicationState
.Accepted, YarnApplicationState.Killed, YarnApplicationState.Failed, YarnApplicationState
.Finished));
if (appReport.GetYarnApplicationState() == YarnApplicationState.Accepted)
{
// Monitor the application attempt to wait for launch state
ApplicationAttemptReport attemptReport = MonitorCurrentAppAttempt(appId, YarnApplicationAttemptState
.Launched);
ApplicationAttemptId attemptId = attemptReport.GetApplicationAttemptId();
Log.Info("Launching AM with application attempt id " + attemptId);
// launch AM
LaunchAM(attemptId);
// Monitor the application for end state
appReport = MonitorApplication(appId, EnumSet.Of(YarnApplicationState.Killed, YarnApplicationState
.Failed, YarnApplicationState.Finished));
}
YarnApplicationState appState = appReport.GetYarnApplicationState();
FinalApplicationStatus appStatus = appReport.GetFinalApplicationStatus();
Log.Info("App ended with state: " + appReport.GetYarnApplicationState() + " and status: "
+ appStatus);
bool success;
if (YarnApplicationState.Finished == appState && FinalApplicationStatus.Succeeded
== appStatus)
{
Log.Info("Application has completed successfully.");
success = true;
}
else
{
Log.Info("Application did finished unsuccessfully." + " YarnState=" + appState.ToString
() + ", FinalStatus=" + appStatus.ToString());
success = false;
}
return(success);
}
finally
{
rmClient.Stop();
}
}
/// <exception cref="System.Exception"/>
protected override void ServiceStop()
{
client.Stop();
base.ServiceStop();
}