@Override
public String reserveVirtualMachine(
VMEntityVO vmEntityVO, String plannerToUse, DeploymentPlan planToDeploy, ExcludeList exclude)
throws InsufficientCapacityException, ResourceUnavailableException {
// call planner and get the deployDestination.
// load vm instance and offerings and call virtualMachineManagerImpl
// FIXME: profile should work on VirtualMachineEntity
VMInstanceVO vm = _vmDao.findByUuid(vmEntityVO.getUuid());
VirtualMachineProfileImpl<VMInstanceVO> vmProfile =
new VirtualMachineProfileImpl<VMInstanceVO>(vm);
DataCenterDeployment plan =
new DataCenterDeployment(
vm.getDataCenterId(), vm.getPodIdToDeployIn(), null, null, null, null);
if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
plan =
new DataCenterDeployment(
planToDeploy.getDataCenterId(),
planToDeploy.getPodId(),
planToDeploy.getClusterId(),
planToDeploy.getHostId(),
planToDeploy.getPoolId(),
planToDeploy.getPhysicalNetworkId());
}
List<VolumeVO> vols = _volsDao.findReadyRootVolumesByInstance(vm.getId());
if (!vols.isEmpty()) {
VolumeVO vol = vols.get(0);
StoragePoolVO pool = _storagePoolDao.findById(vol.getPoolId());
if (!pool.isInMaintenance()) {
long rootVolDcId = pool.getDataCenterId();
Long rootVolPodId = pool.getPodId();
Long rootVolClusterId = pool.getClusterId();
if (planToDeploy != null && planToDeploy.getDataCenterId() != 0) {
Long clusterIdSpecified = planToDeploy.getClusterId();
if (clusterIdSpecified != null && rootVolClusterId != null) {
if (rootVolClusterId.longValue() != clusterIdSpecified.longValue()) {
// cannot satisfy the plan passed in to the
// planner
throw new ResourceUnavailableException(
"Root volume is ready in different cluster, Deployment plan provided cannot be satisfied, unable to create a deployment for "
+ vm,
Cluster.class,
clusterIdSpecified);
}
}
plan =
new DataCenterDeployment(
planToDeploy.getDataCenterId(),
planToDeploy.getPodId(),
planToDeploy.getClusterId(),
planToDeploy.getHostId(),
vol.getPoolId(),
null,
null);
} else {
plan =
new DataCenterDeployment(
rootVolDcId, rootVolPodId, rootVolClusterId, null, vol.getPoolId(), null, null);
}
}
}
DeploymentPlanner planner = ComponentContext.getComponent(plannerToUse);
DeployDestination dest = null;
if (planner.canHandle(vmProfile, plan, exclude)) {
dest = planner.plan(vmProfile, plan, exclude);
}
if (dest != null) {
// save destination with VMEntityVO
VMReservationVO vmReservation =
new VMReservationVO(
vm.getId(),
dest.getDataCenter().getId(),
dest.getPod().getId(),
dest.getCluster().getId(),
dest.getHost().getId());
Map<Long, Long> volumeReservationMap = new HashMap<Long, Long>();
for (Volume vo : dest.getStorageForDisks().keySet()) {
volumeReservationMap.put(vo.getId(), dest.getStorageForDisks().get(vo).getId());
}
vmReservation.setVolumeReservation(volumeReservationMap);
vmEntityVO.setVmReservation(vmReservation);
_vmEntityDao.persist(vmEntityVO);
return vmReservation.getUuid();
} else {
throw new InsufficientServerCapacityException(
"Unable to create a deployment for " + vmProfile,
DataCenter.class,
plan.getDataCenterId());
}
}
@Override
@DB
public void recalculateCapacity() {
// FIXME: the right way to do this is to register a listener (see RouterStatsListener,
// VMSyncListener)
// for the vm sync state. The listener model has connects/disconnects to keep things in
// sync much better
// than this model right now, so when a VM is started, we update the amount allocated,
// and when a VM
// is stopped we updated the amount allocated, and when VM sync reports a changed state,
// we update
// the amount allocated. Hopefully it's limited to 3 entry points and will keep the
// amount allocated
// per host accurate.
try {
if (s_logger.isDebugEnabled()) {
s_logger.debug("recalculating system capacity");
s_logger.debug("Executing cpu/ram capacity update");
}
// Calculate CPU and RAM capacities
// get all hosts...even if they are not in 'UP' state
List<HostVO> hosts = _resourceMgr.listAllHostsInAllZonesByType(Host.Type.Routing);
for (HostVO host : hosts) {
_capacityMgr.updateCapacityForHost(host);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing cpu/ram capacity update");
s_logger.debug("Executing storage capacity update");
}
// Calculate storage pool capacity
List<StoragePoolVO> storagePools = _storagePoolDao.listAll();
for (StoragePoolVO pool : storagePools) {
long disk = 0l;
Pair<Long, Long> sizes = _volumeDao.getCountAndTotalByPool(pool.getId());
disk = sizes.second();
if (pool.isShared()) {
_storageMgr.createCapacityEntry(pool, Capacity.CAPACITY_TYPE_STORAGE_ALLOCATED, disk);
} else {
_storageMgr.createCapacityEntry(pool, Capacity.CAPACITY_TYPE_LOCAL_STORAGE, disk);
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing storage capacity update");
s_logger.debug("Executing capacity updates public ip and Vlans");
}
List<DataCenterVO> datacenters = _dcDao.listAll();
for (DataCenterVO datacenter : datacenters) {
long dcId = datacenter.getId();
// NOTE
// What happens if we have multiple vlans? Dashboard currently shows stats
// with no filter based on a vlan
// ideal way would be to remove out the vlan param, and filter only on dcId
// implementing the same
// Calculate new Public IP capacity for Virtual Network
if (datacenter.getNetworkType() == NetworkType.Advanced) {
createOrUpdateIpCapacity(dcId, null, CapacityVO.CAPACITY_TYPE_VIRTUAL_NETWORK_PUBLIC_IP);
}
// Calculate new Public IP capacity for Direct Attached Network
createOrUpdateIpCapacity(dcId, null, CapacityVO.CAPACITY_TYPE_DIRECT_ATTACHED_PUBLIC_IP);
if (datacenter.getNetworkType() == NetworkType.Advanced) {
// Calculate VLAN's capacity
createOrUpdateVlanCapacity(dcId);
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done capacity updates for public ip and Vlans");
s_logger.debug("Executing capacity updates for private ip");
}
// Calculate new Private IP capacity
List<HostPodVO> pods = _podDao.listAll();
for (HostPodVO pod : pods) {
long podId = pod.getId();
long dcId = pod.getDataCenterId();
createOrUpdateIpCapacity(dcId, podId, CapacityVO.CAPACITY_TYPE_PRIVATE_IP);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Done executing capacity updates for private ip");
s_logger.debug("Done recalculating system capacity");
}
} catch (Throwable t) {
s_logger.error("Caught exception in recalculating capacity", t);
}
}