@DB
protected void createBaseImageAsync(VolumeInfo volume, PrimaryDataStore dataStore, TemplateInfo template,
AsyncCallFuture<VolumeApiResult> future) {
DataObject templateOnPrimaryStoreObj = dataStore.create(template);
VMTemplateStoragePoolVO templatePoolRef = _tmpltPoolDao.findByPoolTemplate(dataStore.getId(), template.getId());
if (templatePoolRef == null) {
throw new CloudRuntimeException("Failed to find template " + template.getUniqueName() + " in storage pool " + dataStore.getId());
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Found template " + template.getUniqueName() + " in storage pool " + dataStore.getId() + " with VMTemplateStoragePool id: "
+ templatePoolRef.getId());
}
}
long templatePoolRefId = templatePoolRef.getId();
CreateBaseImageContext<CreateCmdResult> context = new CreateBaseImageContext<CreateCmdResult>(null, volume,
dataStore, template, future, templateOnPrimaryStoreObj, templatePoolRefId);
AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
caller.setCallback(caller.getTarget().copyBaseImageCallback(null, null)).setContext(context);
int storagePoolMaxWaitSeconds = NumbersUtil.parseInt(
configDao.getValue(Config.StoragePoolMaxWaitSeconds.key()), 3600);
if (s_logger.isDebugEnabled()) {
s_logger.debug("Acquire lock on VMTemplateStoragePool " + templatePoolRefId + " with timeout " + storagePoolMaxWaitSeconds + " seconds");
}
templatePoolRef = _tmpltPoolDao.acquireInLockTable(templatePoolRefId, storagePoolMaxWaitSeconds);
if (templatePoolRef == null) {
if (s_logger.isDebugEnabled()) {
s_logger.info("Unable to acquire lock on VMTemplateStoragePool " + templatePoolRefId);
}
templatePoolRef = _tmpltPoolDao.findByPoolTemplate(dataStore.getId(), template.getId());
if (templatePoolRef.getState() == ObjectInDataStoreStateMachine.State.Ready ) {
s_logger.info("Unable to acquire lock on VMTemplateStoragePool " + templatePoolRefId + ", But Template " + template.getUniqueName() + " is already copied to primary storage, skip copying");
createVolumeFromBaseImageAsync(volume, templateOnPrimaryStoreObj, dataStore, future);
return;
}
throw new CloudRuntimeException("Unable to acquire lock on VMTemplateStoragePool: " + templatePoolRefId);
}
if (s_logger.isDebugEnabled()) {
s_logger.info("lock is acquired for VMTemplateStoragePool " + templatePoolRefId);
}
try {
if (templatePoolRef.getState() == ObjectInDataStoreStateMachine.State.Ready ) {
s_logger.info("Template " + template.getUniqueName() + " is already copied to primary storage, skip copying");
createVolumeFromBaseImageAsync(volume, templateOnPrimaryStoreObj, dataStore, future);
return;
}
templateOnPrimaryStoreObj.processEvent(Event.CreateOnlyRequested);
motionSrv.copyAsync(template, templateOnPrimaryStoreObj, caller);
} catch (Throwable e) {
s_logger.debug("failed to create template on storage", e);
templateOnPrimaryStoreObj.processEvent(Event.OperationFailed);
dataStore.create(template); // make sure that template_spool_ref entry is still present so that the second thread can acquire the lock
VolumeApiResult result = new VolumeApiResult(volume);
result.setResult(e.toString());
future.complete(result);
} finally {