@Override
public ContainerState transition(ContainerImpl container, ContainerEvent event) {
final ContainerLaunchContext ctxt = container.launchContext;
container.metrics.initingContainer();
container
.dispatcher
.getEventHandler()
.handle(new AuxServicesEvent(AuxServicesEventType.CONTAINER_INIT, container));
// Inform the AuxServices about the opaque serviceData
Map<String, ByteBuffer> csd = ctxt.getServiceData();
if (csd != null) {
// This can happen more than once per Application as each container may
// have distinct service data
for (Map.Entry<String, ByteBuffer> service : csd.entrySet()) {
container
.dispatcher
.getEventHandler()
.handle(
new AuxServicesEvent(
AuxServicesEventType.APPLICATION_INIT,
container.user,
container.containerId.getApplicationAttemptId().getApplicationId(),
service.getKey().toString(),
service.getValue()));
}
}
// Send requests for public, private resources
Map<String, LocalResource> cntrRsrc = ctxt.getLocalResources();
if (!cntrRsrc.isEmpty()) {
try {
for (Map.Entry<String, LocalResource> rsrc : cntrRsrc.entrySet()) {
try {
LocalResourceRequest req = new LocalResourceRequest(rsrc.getValue());
List<String> links = container.pendingResources.get(req);
if (links == null) {
links = new ArrayList<String>();
container.pendingResources.put(req, links);
}
links.add(rsrc.getKey());
switch (rsrc.getValue().getVisibility()) {
case PUBLIC:
container.publicRsrcs.add(req);
break;
case PRIVATE:
container.privateRsrcs.add(req);
break;
case APPLICATION:
container.appRsrcs.add(req);
break;
}
} catch (URISyntaxException e) {
LOG.info("Got exception parsing " + rsrc.getKey() + " and value " + rsrc.getValue());
throw e;
}
}
} catch (URISyntaxException e) {
// malformed resource; abort container launch
LOG.warn("Failed to parse resource-request", e);
container.cleanup();
container.metrics.endInitingContainer();
return ContainerState.LOCALIZATION_FAILED;
}
Map<LocalResourceVisibility, Collection<LocalResourceRequest>> req =
new HashMap<LocalResourceVisibility, Collection<LocalResourceRequest>>();
if (!container.publicRsrcs.isEmpty()) {
req.put(LocalResourceVisibility.PUBLIC, container.publicRsrcs);
}
if (!container.privateRsrcs.isEmpty()) {
req.put(LocalResourceVisibility.PRIVATE, container.privateRsrcs);
}
if (!container.appRsrcs.isEmpty()) {
req.put(LocalResourceVisibility.APPLICATION, container.appRsrcs);
}
container
.dispatcher
.getEventHandler()
.handle(new ContainerLocalizationRequestEvent(container, req));
return ContainerState.LOCALIZING;
} else {
container
.dispatcher
.getEventHandler()
.handle(
new ContainersLauncherEvent(
container, ContainersLauncherEventType.LAUNCH_CONTAINER));
container.metrics.endInitingContainer();
return ContainerState.LOCALIZED;
}
}
