public boolean isZoneReady(Map<Long, ZoneHostInfo> zoneHostInfoMap, long dataCenterId) {
ZoneHostInfo zoneHostInfo = zoneHostInfoMap.get(dataCenterId);
if (zoneHostInfo != null
&& (zoneHostInfo.getFlags() & RunningHostInfoAgregator.ZoneHostInfo.ROUTING_HOST_MASK)
!= 0) {
VMTemplateVO template = _templateDao.findSystemVMTemplate(dataCenterId);
HostVO secHost = _hostDao.findSecondaryStorageHost(dataCenterId);
if (secHost == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"No secondary storage available in zone "
+ dataCenterId
+ ", wait until it is ready to launch secondary storage vm");
}
return false;
}
boolean templateReady = false;
if (template != null) {
VMTemplateHostVO templateHostRef =
_vmTemplateHostDao.findByHostTemplate(secHost.getId(), template.getId());
templateReady =
(templateHostRef != null) && (templateHostRef.getDownloadState() == Status.DOWNLOADED);
}
if (templateReady) {
List<Pair<Long, Integer>> l =
_storagePoolHostDao.getDatacenterStoragePoolHostInfo(dataCenterId, !_useLocalStorage);
if (l != null && l.size() > 0 && l.get(0).second().intValue() > 0) {
return true;
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug(
"Primary storage is not ready, wait until it is ready to launch secondary storage vm");
}
}
} else {
if (s_logger.isTraceEnabled()) {
s_logger.trace("Zone host is ready, but secondary storage vm template is not ready");
}
}
}
return false;
}
@DB
@Override
public boolean deleteDataStore(DataStore store) {
List<StoragePoolHostVO> hostPoolRecords = _storagePoolHostDao.listByPoolId(store.getId());
StoragePool pool = (StoragePool) store;
boolean deleteFlag = false;
// find the hypervisor where the storage is attached to.
HypervisorType hType = null;
if (hostPoolRecords.size() > 0) {
hType = getHypervisorType(hostPoolRecords.get(0).getHostId());
}
// Remove the SR associated with the Xenserver
for (StoragePoolHostVO host : hostPoolRecords) {
DeleteStoragePoolCommand deleteCmd = new DeleteStoragePoolCommand(pool);
final Answer answer = agentMgr.easySend(host.getHostId(), deleteCmd);
if (answer != null && answer.getResult()) {
deleteFlag = true;
// if host is KVM hypervisor then send deleteStoragepoolcmd to all the kvm hosts.
if (HypervisorType.KVM != hType) {
break;
}
} else {
if (answer != null) {
s_logger.debug("Failed to delete storage pool: " + answer.getResult());
}
}
}
if (!deleteFlag) {
throw new CloudRuntimeException("Failed to delete storage pool on host");
}
return dataStoreHelper.deletePrimaryDataStore(store);
}
@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;
}