/// <exception cref="Com.Google.Protobuf.ServiceException"/>
public virtual YarnServiceProtos.GetContainersResponseProto GetContainers(RpcController
controller, YarnServiceProtos.GetContainersRequestProto proto)
{
GetContainersRequestPBImpl request = new GetContainersRequestPBImpl(proto);
try
{
GetContainersResponse response = real.GetContainers(request);
return(((GetContainersResponsePBImpl)response).GetProto());
}
catch (YarnException e)
{
throw new ServiceException(e);
}
catch (IOException e)
{
throw new ServiceException(e);
}
}
/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public override IList <ContainerReport> GetContainers(ApplicationAttemptId applicationAttemptId
)
{
IList <ContainerReport> containersForAttempt = new AList <ContainerReport>();
bool appNotFoundInRM = false;
try
{
GetContainersRequest request = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <GetContainersRequest
>();
request.SetApplicationAttemptId(applicationAttemptId);
GetContainersResponse response = rmClient.GetContainers(request);
Sharpen.Collections.AddAll(containersForAttempt, response.GetContainerList());
}
catch (YarnException e)
{
if (e.GetType() != typeof(ApplicationNotFoundException) || !historyServiceEnabled)
{
// If Application is not in RM and history service is enabled then we
// need to check with history service else throw exception.
throw;
}
appNotFoundInRM = true;
}
if (historyServiceEnabled)
{
// Check with AHS even if found in RM because to capture info of finished
// containers also
IList <ContainerReport> containersListFromAHS = null;
try
{
containersListFromAHS = historyClient.GetContainers(applicationAttemptId);
}
catch (IOException e)
{
// History service access might be enabled but system metrics publisher
// is disabled hence app not found exception is possible
if (appNotFoundInRM)
{
// app not found in bothM and RM then propagate the exception.
throw;
}
}
if (null != containersListFromAHS && containersListFromAHS.Count > 0)
{
// remove duplicates
ICollection <ContainerId> containerIdsToBeKeptFromAHS = new HashSet <ContainerId>();
IEnumerator <ContainerReport> tmpItr = containersListFromAHS.GetEnumerator();
while (tmpItr.HasNext())
{
containerIdsToBeKeptFromAHS.AddItem(tmpItr.Next().GetContainerId());
}
IEnumerator <ContainerReport> rmContainers = containersForAttempt.GetEnumerator();
while (rmContainers.HasNext())
{
ContainerReport tmp = rmContainers.Next();
containerIdsToBeKeptFromAHS.Remove(tmp.GetContainerId());
}
// Remove containers from AHS as container from RM will have latest
// information
if (containerIdsToBeKeptFromAHS.Count > 0 && containersListFromAHS.Count != containerIdsToBeKeptFromAHS
.Count)
{
IEnumerator <ContainerReport> containersFromHS = containersListFromAHS.GetEnumerator
();
while (containersFromHS.HasNext())
{
ContainerReport containerReport = containersFromHS.Next();
if (containerIdsToBeKeptFromAHS.Contains(containerReport.GetContainerId()))
{
containersForAttempt.AddItem(containerReport);
}
}
}
else
{
if (containersListFromAHS.Count == containerIdsToBeKeptFromAHS.Count)
{
Sharpen.Collections.AddAll(containersForAttempt, containersListFromAHS);
}
}
}
}
return(containersForAttempt);
}