@Override
protected void render(Block html) {
ContainerId containerID;
try {
containerID = ConverterUtils.toContainerId($(CONTAINER_ID));
} catch (IllegalArgumentException e) {
html.p()._("Invalid containerId " + $(CONTAINER_ID))._();
return;
}
DIV<Hamlet> div = html.div("#content");
Container container = this.nmContext.getContainers().get(containerID);
if (container == null) {
div.h1("Unknown Container. Container might have completed, "
+ "please go back to the previous page and retry.")._();
return;
}
ContainerStatus containerData = container.cloneAndGetContainerStatus();
int exitCode = containerData.getExitStatus();
String exiStatus =
(exitCode == YarnConfiguration.INVALID_CONTAINER_EXIT_STATUS) ?
"N/A" : String.valueOf(exitCode);
info("Container information")
._("ContainerID", $(CONTAINER_ID))
._("ContainerState", container.getContainerState())
._("ExitStatus", exiStatus)
._("Diagnostics", containerData.getDiagnostics())
._("User", container.getUser())
._("TotalMemoryNeeded",
container.getLaunchContext().getResource().getMemory())
._("logs", ujoin("containerlogs", $(CONTAINER_ID), container.getUser()),
"Link to logs");
html._(InfoBlock.class);
}
private ImmutableMap.Builder<String, String> buildContainerStatusEventMetadata(
ContainerStatus containerStatus) {
ImmutableMap.Builder<String, String> eventMetadataBuilder = new ImmutableMap.Builder<>();
eventMetadataBuilder.put(
GobblinYarnMetricTagNames.CONTAINER_ID, containerStatus.getContainerId().toString());
eventMetadataBuilder.put(
GobblinYarnEventConstants.EventMetadata.CONTAINER_STATUS_CONTAINER_STATE,
containerStatus.getState().toString());
if (ContainerExitStatus.INVALID != containerStatus.getExitStatus()) {
eventMetadataBuilder.put(
GobblinYarnEventConstants.EventMetadata.CONTAINER_STATUS_EXIT_STATUS,
containerStatus.getExitStatus() + "");
}
if (!Strings.isNullOrEmpty(containerStatus.getDiagnostics())) {
eventMetadataBuilder.put(
GobblinYarnEventConstants.EventMetadata.CONTAINER_STATUS_EXIT_DIAGNOSTICS,
containerStatus.getDiagnostics());
}
return eventMetadataBuilder;
}
/**
* Handle the completion of a container. A new container will be requested to replace the one that
* just exited. Depending on the exit status and if container host affinity is enabled, the new
* container may or may not try to be started on the same node.
*
* <p>A container completes in either of the following conditions: 1) some error happens in the
* container and caused the container to exit, 2) the container gets killed due to some reason,
* for example, if it runs over the allowed amount of virtual or physical memory, 3) the gets
* preempted by the ResourceManager, or 4) the container gets stopped by the ApplicationMaster. A
* replacement container is needed in all but the last case.
*/
private void handleContainerCompletion(ContainerStatus containerStatus) {
Map.Entry<Container, String> completedContainerEntry =
this.containerMap.remove(containerStatus.getContainerId());
String completedInstanceName = completedContainerEntry.getValue();
LOGGER.info(
String.format(
"Container %s running Helix instance %s has completed with exit status %d",
containerStatus.getContainerId(),
completedInstanceName,
containerStatus.getExitStatus()));
if (!Strings.isNullOrEmpty(containerStatus.getDiagnostics())) {
LOGGER.info(
String.format(
"Received the following diagnostics information for container %s: %s",
containerStatus.getContainerId(), containerStatus.getDiagnostics()));
}
if (this.shutdownInProgress) {
return;
}
int retryCount =
this.helixInstanceRetryCount
.putIfAbsent(completedInstanceName, new AtomicInteger(0))
.incrementAndGet();
// Populate event metadata
Optional<ImmutableMap.Builder<String, String>> eventMetadataBuilder = Optional.absent();
if (this.eventSubmitter.isPresent()) {
eventMetadataBuilder = Optional.of(buildContainerStatusEventMetadata(containerStatus));
eventMetadataBuilder
.get()
.put(GobblinYarnEventConstants.EventMetadata.HELIX_INSTANCE_ID, completedInstanceName);
eventMetadataBuilder
.get()
.put(
GobblinYarnEventConstants.EventMetadata.CONTAINER_STATUS_RETRY_ATTEMPT,
retryCount + "");
}
if (this.helixInstanceMaxRetries > 0 && retryCount > this.helixInstanceMaxRetries) {
if (this.eventSubmitter.isPresent()) {
this.eventSubmitter
.get()
.submit(
GobblinYarnEventConstants.EventNames.HELIX_INSTANCE_COMPLETION,
eventMetadataBuilder.get().build());
}
LOGGER.warn(
"Maximum number of retries has been achieved for Helix instance "
+ completedInstanceName);
return;
}
// Add the Helix instance name of the completed container to the queue of unused
// instance names so they can be reused by a replacement container.
this.unusedHelixInstanceNames.offer(completedInstanceName);
if (this.eventSubmitter.isPresent()) {
this.eventSubmitter
.get()
.submit(
GobblinYarnEventConstants.EventNames.HELIX_INSTANCE_COMPLETION,
eventMetadataBuilder.get().build());
}
LOGGER.info(
String.format(
"Requesting a new container to replace %s to run Helix instance %s",
containerStatus.getContainerId(), completedInstanceName));
this.eventBus.post(
new NewContainerRequest(
shouldStickToTheSameNode(containerStatus.getExitStatus())
? Optional.of(completedContainerEntry.getKey())
: Optional.<Container>absent()));
}
@SuppressWarnings("unchecked")
@Override
public void onContainersCompleted(List<ContainerStatus> completedContainers) {
LOG.info(
"Got response from RM for container ask, completedCnt=" + completedContainers.size());
for (ContainerStatus containerStatus : completedContainers) {
LOG.info(
"Got container status for containerID="
+ containerStatus.getContainerId()
+ ", state="
+ containerStatus.getState()
+ ", exitStatus="
+ containerStatus.getExitStatus()
+ ", diagnostics="
+ containerStatus.getDiagnostics());
// non complete containers should not be here
assert (containerStatus.getState() == ContainerState.COMPLETE);
// increment counters for completed/failed containers
int exitStatus = containerStatus.getExitStatus();
if (0 != exitStatus) {
// container failed
if (ContainerExitStatus.ABORTED != exitStatus) {
// shell script failed
// counts as completed
numCompletedContainers.incrementAndGet();
numFailedContainers.incrementAndGet();
} else {
// container was killed by framework, possibly preempted
// we should re-try as the container was lost for some reason
numAllocatedContainers.decrementAndGet();
numRequestedContainers.decrementAndGet();
// we do not need to release the container as it would be done
// by the RM
}
} else {
// nothing to do
// container completed successfully
numCompletedContainers.incrementAndGet();
LOG.info(
"Container completed successfully."
+ ", containerId="
+ containerStatus.getContainerId());
}
try {
publishContainerEndEvent(timelineClient, containerStatus);
} catch (Exception e) {
LOG.error(
"Container start event could not be pulished for "
+ containerStatus.getContainerId().toString(),
e);
}
}
// ask for more containers if any failed
int askCount = numTotalContainers - numRequestedContainers.get();
numRequestedContainers.addAndGet(askCount);
if (askCount > 0) {
for (int i = 0; i < askCount; ++i) {
ContainerRequest containerAsk = setupContainerAskForRM();
amRMClient.addContainerRequest(containerAsk);
}
}
if (numCompletedContainers.get() == numTotalContainers) {
done = true;
}
}