List<VMInstanceVO> vms = _vmDao.listUpByHostId(host.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Found " + vms.size() + " VMs on host " + host.getId());
}
ClusterVO cluster = _clusterDao.findById(host.getClusterId());
ClusterDetailsVO clusterDetailCpu = _clusterDetailsDao.findDetail(cluster.getId(), "cpuOvercommitRatio");
ClusterDetailsVO clusterDetailRam = _clusterDetailsDao.findDetail(cluster.getId(), "memoryOvercommitRatio");
Float clusterCpuOvercommitRatio = Float.parseFloat(clusterDetailCpu.getValue());
Float clusterRamOvercommitRatio = Float.parseFloat(clusterDetailRam.getValue());
Float cpuOvercommitRatio = 1f;
Float ramOvercommitRatio = 1f;
for (VMInstanceVO vm : vms) {
UserVmDetailVO vmDetailCpu = _userVmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio");
UserVmDetailVO vmDetailRam = _userVmDetailsDao.findDetail(vm.getId(),"memoryOvercommitRatio");
if (vmDetailCpu != null ) {
//if vmDetail_cpu is not null it means it is running in a overcommited cluster.
cpuOvercommitRatio = Float.parseFloat(vmDetailCpu.getValue());
ramOvercommitRatio = Float.parseFloat(vmDetailRam.getValue());
}
ServiceOffering so = offeringsMap.get(vm.getServiceOfferingId());
usedMemory += ((so.getRamSize() * 1024L * 1024L)/ramOvercommitRatio)*clusterRamOvercommitRatio;
usedCpu += ((so.getCpu() * so.getSpeed())/cpuOvercommitRatio)*clusterCpuOvercommitRatio;
}
List<VMInstanceVO> vmsByLastHostId = _vmDao.listByLastHostId(host.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Found " + vmsByLastHostId.size() + " VM, not running on host " + host.getId());
}
for (VMInstanceVO vm : vmsByLastHostId) {
long secondsSinceLastUpdate = (DateUtil.currentGMTTime().getTime() - vm.getUpdateTime().getTime()) / 1000;
if (secondsSinceLastUpdate < _vmCapacityReleaseInterval) {
UserVmDetailVO vmDetailCpu = _userVmDetailsDao.findDetail(vm.getId(), "cpuOvercommitRatio");
UserVmDetailVO vmDetailRam = _userVmDetailsDao.findDetail(vm.getId(),"memoryOvercommitRatio");
if (vmDetailCpu != null ) {
//if vmDetail_cpu is not null it means it is running in a overcommited cluster.
cpuOvercommitRatio = Float.parseFloat(vmDetailCpu.getValue());
ramOvercommitRatio = Float.parseFloat(vmDetailRam.getValue());
}
ServiceOffering so = offeringsMap.get(vm.getServiceOfferingId());
reservedMemory += ((so.getRamSize() * 1024L * 1024L)/ramOvercommitRatio)*clusterRamOvercommitRatio;
reservedCpu += (so.getCpu() * so.getSpeed()/cpuOvercommitRatio)*clusterCpuOvercommitRatio;
} else {
// signal if not done already, that the VM has been stopped for skip.counting.hours,
// hence capacity will not be reserved anymore.
UserVmDetailVO messageSentFlag = _userVmDetailsDao.findDetail(vm.getId(), MESSAGE_RESERVED_CAPACITY_FREED_FLAG);
if (messageSentFlag == null || !Boolean.valueOf(messageSentFlag.getValue())) {
_messageBus.publish(_name, "VM_ReservedCapacity_Free", PublishScope.LOCAL, vm);
if (vm.getType() == VirtualMachine.Type.User) {
UserVmVO userVM = _userVMDao.findById(vm.getId());
_userVMDao.loadDetails(userVM);
userVM.setDetail(MESSAGE_RESERVED_CAPACITY_FREED_FLAG, "true");
_userVMDao.saveDetails(userVM);
}
}
}
}
CapacityVO cpuCap = _capacityDao.findByHostIdType(host.getId(), CapacityVO.CAPACITY_TYPE_CPU);
CapacityVO memCap = _capacityDao.findByHostIdType(host.getId(), CapacityVO.CAPACITY_TYPE_MEMORY);
if (cpuCap != null && memCap != null){
if (cpuCap.getUsedCapacity() == usedCpu && cpuCap.getReservedCapacity() == reservedCpu) {
s_logger.debug("No need to calibrate cpu capacity, host:" + host.getId() + " usedCpu: " + cpuCap.getUsedCapacity()
+ " reservedCpu: " + cpuCap.getReservedCapacity());
} else if (cpuCap.getReservedCapacity() != reservedCpu) {
s_logger.debug("Calibrate reserved cpu for host: " + host.getId() + " old reservedCpu:" + cpuCap.getReservedCapacity()
+ " new reservedCpu:" + reservedCpu);
cpuCap.setReservedCapacity(reservedCpu);
} else if (cpuCap.getUsedCapacity() != usedCpu) {
s_logger.debug("Calibrate used cpu for host: " + host.getId() + " old usedCpu:" + cpuCap.getUsedCapacity() + " new usedCpu:"
+ usedCpu);
cpuCap.setUsedCapacity(usedCpu);
}
if (memCap.getUsedCapacity() == usedMemory && memCap.getReservedCapacity() == reservedMemory) {
s_logger.debug("No need to calibrate memory capacity, host:" + host.getId() + " usedMem: " + memCap.getUsedCapacity()
+ " reservedMem: " + memCap.getReservedCapacity());
} else if (memCap.getReservedCapacity() != reservedMemory) {
s_logger.debug("Calibrate reserved memory for host: " + host.getId() + " old reservedMem:" + memCap.getReservedCapacity()
+ " new reservedMem:" + reservedMemory);
memCap.setReservedCapacity(reservedMemory);
} else if (memCap.getUsedCapacity() != usedMemory) {
/*
* Didn't calibrate for used memory, because VMs can be in state(starting/migrating) that I don't know on which host they are
* allocated
*/
s_logger.debug("Calibrate used memory for host: " + host.getId() + " old usedMem: " + memCap.getUsedCapacity()
+ " new usedMem: " + usedMemory);
memCap.setUsedCapacity(usedMemory);
}
try {
_capacityDao.update(cpuCap.getId(), cpuCap);
_capacityDao.update(memCap.getId(), memCap);
} catch (Exception e) {
s_logger.error("Caught exception while updating cpu/memory capacity for the host " +host.getId(), e);
}
}else {
Transaction txn = Transaction.currentTxn();
txn.start();
CapacityVO capacity = new CapacityVO(host.getId(),
host.getDataCenterId(), host.getPodId(), host.getClusterId(), usedMemory,
host.getTotalMemory(),
CapacityVO.CAPACITY_TYPE_MEMORY);
capacity.setReservedCapacity(reservedMemory);
CapacityState capacityState = CapacityState.Enabled;
if (host.getClusterId() != null) {
ClusterVO clusterOfHost = ApiDBUtils.findClusterById(host.getClusterId());
if (clusterOfHost != null) {
capacityState = _configMgr.findClusterAllocationState(clusterOfHost) == AllocationState.Disabled ? CapacityState.Disabled
: CapacityState.Enabled;
capacity.setCapacityState(capacityState);
}