@Override
protected List<StoragePool> select(
DiskProfile dskCh,
VirtualMachineProfile vmProfile,
DeploymentPlan plan,
ExcludeList avoid,
int returnUpTo) {
List<StoragePool> suitablePools = new ArrayList<StoragePool>();
s_logger.debug("LocalStoragePoolAllocator trying to find storage pool to fit the vm");
if (!dskCh.useLocalStorage()) {
return suitablePools;
}
// data disk and host identified from deploying vm (attach volume case)
if (dskCh.getType() == Volume.Type.DATADISK && plan.getHostId() != null) {
List<StoragePoolHostVO> hostPools = _poolHostDao.listByHostId(plan.getHostId());
for (StoragePoolHostVO hostPool : hostPools) {
StoragePoolVO pool = _storagePoolDao.findById(hostPool.getPoolId());
if (pool != null && pool.isLocal()) {
StoragePool pol = (StoragePool) this.dataStoreMgr.getPrimaryDataStore(pool.getId());
if (filter(avoid, pol, dskCh, plan)) {
s_logger.debug(
"Found suitable local storage pool " + pool.getId() + ", adding to list");
suitablePools.add(pol);
} else {
avoid.addPool(pool.getId());
}
}
if (suitablePools.size() == returnUpTo) {
break;
}
}
} else {
if (plan.getPodId() == null) {
// zone wide primary storage deployment
return null;
}
List<StoragePoolVO> availablePools =
_storagePoolDao.findLocalStoragePoolsByTags(
plan.getDataCenterId(), plan.getPodId(), plan.getClusterId(), dskCh.getTags());
for (StoragePoolVO pool : availablePools) {
if (suitablePools.size() == returnUpTo) {
break;
}
StoragePool pol = (StoragePool) this.dataStoreMgr.getPrimaryDataStore(pool.getId());
if (filter(avoid, pol, dskCh, plan)) {
suitablePools.add(pol);
} else {
avoid.addPool(pool.getId());
}
}
// add remaining pools in cluster, that did not match tags, to avoid
// set
List<StoragePoolVO> allPools =
_storagePoolDao.findLocalStoragePoolsByTags(
plan.getDataCenterId(), plan.getPodId(), plan.getClusterId(), null);
allPools.removeAll(availablePools);
for (StoragePoolVO pool : allPools) {
avoid.addPool(pool.getId());
}
}
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"LocalStoragePoolAllocator returning "
+ suitablePools.size()
+ " suitable storage pools");
}
return suitablePools;
}
