@Transactional
public void updatePhysicalCapacityByKvmAgentResponse(
String psUuid, String hostUuid, AgentResponse rsp) {
LocalStorageHostRefVO ref =
dbf.getEntityManager()
.find(LocalStorageHostRefVO.class, hostUuid, LockModeType.PESSIMISTIC_WRITE);
if (ref == null) {
return;
}
if (ref.getAvailablePhysicalCapacity() == rsp.getAvailableCapacity()
&& ref.getTotalPhysicalCapacity() == rsp.getTotalCapacity()) {
return;
}
long originalPhysicalTotal = ref.getTotalPhysicalCapacity();
long originalPhysicalAvailable = ref.getAvailablePhysicalCapacity();
ref.setTotalPhysicalCapacity(rsp.getTotalCapacity());
ref.setAvailablePhysicalCapacity(rsp.getAvailableCapacity());
dbf.getEntityManager().merge(ref);
if (logger.isTraceEnabled()) {
logger.trace(
String.format(
"[Local Storage Capacity] changed the physical capacity of the host[uuid:%s] of "
+ "the local primary storage[uuid:%s] as:\n"
+ "physical total: %s --> %s\n"
+ "physical available: %s --> %s\n",
hostUuid,
psUuid,
originalPhysicalTotal,
ref.getTotalPhysicalCapacity(),
originalPhysicalAvailable,
ref.getAvailablePhysicalCapacity()));
}
final long totalChange = rsp.getTotalCapacity() - ref.getTotalPhysicalCapacity();
final long availChange = rsp.getAvailableCapacity() - ref.getAvailablePhysicalCapacity();
new PrimaryStorageCapacityUpdater(psUuid)
.run(
new PrimaryStorageCapacityUpdaterRunnable() {
@Override
public PrimaryStorageCapacityVO call(PrimaryStorageCapacityVO cap) {
cap.setTotalPhysicalCapacity(cap.getTotalPhysicalCapacity() + totalChange);
cap.setAvailablePhysicalCapacity(cap.getAvailablePhysicalCapacity() + availChange);
return cap;
}
});
}
