@Override
@Transactional(readOnly = true)
public void preRecoverVm(VmInstanceInventory vm) {
String rootVolUuid = vm.getRootVolumeUuid();
String sql =
"select ps.uuid from PrimaryStorageVO ps, VolumeVO vol where ps.uuid = vol.primaryStorageUuid"
+ " and vol.uuid = :uuid and ps.type = :pstype";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("uuid", rootVolUuid);
q.setParameter("pstype", LocalStorageConstants.LOCAL_STORAGE_TYPE);
String psuuid = dbf.find(q);
if (psuuid == null) {
return;
}
sql =
"select count(ref) from LocalStorageResourceRefVO ref where ref.resourceUuid = :uuid and ref.resourceType = :rtype";
TypedQuery<Long> rq = dbf.getEntityManager().createQuery(sql, Long.class);
rq.setParameter("uuid", rootVolUuid);
rq.setParameter("rtype", VolumeVO.class.getSimpleName());
long count = rq.getSingleResult();
if (count == 0) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"unable to recover the vm[uuid:%s, name:%s]. The vm's root volume is on the local"
+ " storage[uuid:%s]; however, the host on which the root volume is has been deleted",
vm.getUuid(), vm.getName(), psuuid)));
}
}
@Transactional
private void updateCapacity(long total, long avail) {
PrimaryStorageCapacityVO cvo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
DebugUtils.Assert(
cvo != null,
String.format("how can there is no PrimaryStorageCapacityVO[uuid:%s]", self.getUuid()));
cvo.setTotalPhysicalCapacity(total);
cvo.setAvailablePhysicalCapacity(avail);
dbf.getEntityManager().merge(cvo);
}
@Override
@Transactional
public void delete(String uuid) {
String sql = "delete from KeyValueVO vo where vo.uuid = :uuid";
Query q = dbf.getEntityManager().createQuery(sql);
q.setParameter("uuid", uuid);
q.executeUpdate();
sql = "delete from KeyValueBinaryVO vo where vo.uuid = :uuid";
q = dbf.getEntityManager().createQuery(sql);
q.setParameter("uuid", uuid);
q.executeUpdate();
}
@Transactional
private void handle(TakePrimaryStorageCapacityMsg msg) {
PrimaryStorageCapacityVO vo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
vo.setAvailableCapacity(vo.getAvailableCapacity() - msg.getSize());
if (vo.getAvailableCapacity() < 0) {
vo.setAvailableCapacity(0);
}
dbf.getEntityManager().merge(vo);
TakePrimaryStorageCapacityReply reply = new TakePrimaryStorageCapacityReply();
bus.reply(msg, reply);
}
@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;
}
});
}
@Transactional
private void handle(PrimaryStorageReportCapacityMsg msg) {
PrimaryStorageCapacityVO vo =
dbf.getEntityManager()
.find(PrimaryStorageCapacityVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
if (vo.getTotalCapacity() == 0) {
vo.setTotalCapacity(msg.getTotalCapacity());
vo.setAvailableCapacity(msg.getAvailableCapacity());
dbf.getEntityManager().merge(vo);
}
PrimaryStorageReportCapacityReply reply = new PrimaryStorageReportCapacityReply();
bus.reply(msg, reply);
}
@Transactional
private void handle(ReturnBackupStorageMsg msg) {
self =
dbf.getEntityManager()
.find(BackupStorageVO.class, self.getUuid(), LockModeType.PESSIMISTIC_WRITE);
long availSize = self.getAvailableCapacity() + msg.getSize();
if (availSize > self.getTotalCapacity()) {
availSize = self.getTotalCapacity();
}
self.setAvailableCapacity(availSize);
dbf.getEntityManager().merge(self);
bus.reply(msg, new ReturnBackupStorageReply());
}
@Override
@Transactional(readOnly = true)
public List<VmInstanceVO> returnAttachableVms(
VolumeInventory vol, List<VmInstanceVO> candidates) {
String sql =
"select ref.hostUuid from LocalStorageResourceRefVO ref where ref.resourceUuid = :uuid"
+ " and ref.resourceType = :rtype";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("uuid", vol.getUuid());
q.setParameter("rtype", VolumeVO.class.getSimpleName());
List<String> ret = q.getResultList();
if (ret.isEmpty()) {
return candidates;
}
String hostUuid = ret.get(0);
List<String> vmRootVolumeUuids =
CollectionUtils.transformToList(
candidates,
new Function<String, VmInstanceVO>() {
@Override
public String call(VmInstanceVO arg) {
return arg.getRootVolumeUuid();
}
});
sql =
"select ref.resourceUuid from LocalStorageResourceRefVO ref where ref.hostUuid = :huuid"
+ " and ref.resourceUuid in (:rootVolumeUuids) and ref.resourceType = :rtype";
q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("huuid", hostUuid);
q.setParameter("rootVolumeUuids", vmRootVolumeUuids);
q.setParameter("rtype", VolumeVO.class.getSimpleName());
final List<String> toInclude = q.getResultList();
candidates =
CollectionUtils.transformToList(
candidates,
new Function<VmInstanceVO, VmInstanceVO>() {
@Override
public VmInstanceVO call(VmInstanceVO arg) {
return toInclude.contains(arg.getRootVolumeUuid()) ? arg : null;
}
});
return candidates;
}
@Transactional
private void batchWrite(List lst) {
for (Object obj : lst) {
LogVO vo = (LogVO) obj;
dbf.getEntityManager().persist(vo);
}
}
@Override
@Transactional(
readOnly = true,
noRollbackForClassName = {"org.zstack.header.errorcode.OperationFailureException"})
public void preVmMigration(VmInstanceInventory vm) {
List<String> volUuids =
CollectionUtils.transformToList(
vm.getAllVolumes(),
new Function<String, VolumeInventory>() {
@Override
public String call(VolumeInventory arg) {
return arg.getUuid();
}
});
String sql =
"select count(ps) from PrimaryStorageVO ps, VolumeVO vol where ps.uuid = vol.primaryStorageUuid and"
+ " vol.uuid in (:volUuids) and ps.type = :ptype";
TypedQuery<Long> q = dbf.getEntityManager().createQuery(sql, Long.class);
q.setParameter("volUuids", volUuids);
q.setParameter("ptype", LocalStorageConstants.LOCAL_STORAGE_TYPE);
q.setMaxResults(1);
Long count = q.getSingleResult();
if (count > 0) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"unable to live migrate with local storage. The vm[uuid:%s] has volumes on local storage,"
+ "to protect your data, please stop the vm and do the volume migration",
vm.getUuid())));
}
}
@Transactional(readOnly = true)
private boolean isThereOtherStorageForTheHost(String hostUuid, String localStorageUuid) {
String sql =
"select count(pri) from PrimaryStorageVO pri, PrimaryStorageClusterRefVO ref, HostVO host where pri.uuid = ref.primaryStorageUuid and ref.clusterUuid = host.clusterUuid and host.uuid = :huuid and pri.uuid != :puuid";
TypedQuery<Long> q = dbf.getEntityManager().createQuery(sql, Long.class);
q.setParameter("huuid", hostUuid);
q.setParameter("puuid", localStorageUuid);
return q.getSingleResult() > 0;
}
@Transactional(readOnly = true)
private Collection<PortForwardingRuleTO> calculateAllRules(
Map<String, PortForwardingRuleVO> ruleMap, String vrUuid) {
String sql =
"select rule.uuid, nic.ip, vip.ip from PortForwardingRuleVO rule, VmNicVO nic, VipVO vip where rule.vmNicUuid = nic.uuid and rule.uuid in (:ruleUuids) and vip.uuid = rule.vipUuid";
TypedQuery<Tuple> q = dbf.getEntityManager().createQuery(sql, Tuple.class);
q.setParameter("ruleUuids", ruleMap.keySet());
List<Tuple> privateIps = q.getResultList();
Map<String, PortForwardingRuleTO> tos = new HashMap<String, PortForwardingRuleTO>();
for (Tuple t : privateIps) {
String ruleUuid = t.get(0, String.class);
PortForwardingRuleTO to = new PortForwardingRuleTO();
to.setPrivateIp(t.get(1, String.class));
PortForwardingRuleVO ruleVO = ruleMap.get(ruleUuid);
to.setAllowedCidr(ruleVO.getAllowedCidr());
to.setPrivatePortEnd(ruleVO.getPrivatePortEnd());
to.setPrivatePortStart(ruleVO.getPrivatePortStart());
to.setVipPortEnd(ruleVO.getVipPortEnd());
to.setSnatInboundTraffic(
PortForwardingGlobalConfig.SNAT_INBOUND_TRAFFIC.value(Boolean.class));
to.setVipPortStart(ruleVO.getVipPortStart());
to.setVipIp(t.get(2, String.class));
to.setProtocolType(ruleVO.getProtocolType().toString());
tos.put(ruleUuid, to);
}
assert tos.size() == ruleMap.size();
sql =
"select rule.uuid, vrnic.mac from PortForwardingRuleVO rule, VmNicVO vrnic, VmNicVO nic2, ApplianceVmVO vr where vr.uuid = vrnic.vmInstanceUuid and vrnic.l3NetworkUuid = nic2.l3NetworkUuid and nic2.uuid = rule.vmNicUuid and rule.uuid in (:ruleUuids) and vr.uuid = :vrUuid";
TypedQuery<Tuple> privateMacQuery = dbf.getEntityManager().createQuery(sql, Tuple.class);
privateMacQuery.setParameter("ruleUuids", ruleMap.keySet());
privateMacQuery.setParameter("vrUuid", vrUuid);
List<Tuple> privateMacs = privateMacQuery.getResultList();
for (Tuple t : privateMacs) {
String ruleUuid = t.get(0, String.class);
PortForwardingRuleTO to = tos.get(ruleUuid);
to.setPrivateMac(t.get(1, String.class));
}
return tos.values();
}
@Override
@Transactional
public <T> T find(String uuid) {
KeyValueBinaryVO bvo = dbf.getEntityManager().find(KeyValueBinaryVO.class, uuid);
try {
return SerializableHelper.readObject(bvo.getContents());
} catch (Exception e) {
throw new CloudRuntimeException(e);
}
}
@Transactional
private List<PortForwardingRuleVO> findRulesForThisRouter(
VirtualRouterVmInventory vr, Map<String, Object> data, boolean isNewCreated) {
if (!isNewCreated) {
String sql =
"select rule from PortForwardingRuleVO rule, VirtualRouterPortForwardingRuleRefVO ref, VmNicVO nic, VmInstanceVO vm where vm.state = :vmState and nic.vmInstanceUuid = vm.uuid and rule.vmNicUuid = nic.uuid and rule.uuid = ref.uuid and ref.virtualRouterVmUuid = :vrUuid";
TypedQuery<PortForwardingRuleVO> q =
dbf.getEntityManager().createQuery(sql, PortForwardingRuleVO.class);
q.setParameter("vrUuid", vr.getUuid());
q.setParameter("vmState", VmInstanceState.Running);
return q.getResultList();
} else {
VmNicInventory publicNic = vr.getPublicNic();
VmNicInventory guestNic = vr.getGuestNic();
String sql =
"select rule from PortForwardingRuleVO rule, VipVO vip, VmNicVO nic, VmInstanceVO vm where vm.uuid = nic.vmInstanceUuid and vm.state = :vmState and rule.vipUuid = vip.uuid and rule.vmNicUuid = nic.uuid and vip.l3NetworkUuid = :vipL3Uuid and nic.l3NetworkUuid = :guestL3Uuid";
TypedQuery<PortForwardingRuleVO> q =
dbf.getEntityManager().createQuery(sql, PortForwardingRuleVO.class);
q.setParameter("vipL3Uuid", publicNic.getL3NetworkUuid());
q.setParameter("guestL3Uuid", guestNic.getL3NetworkUuid());
q.setParameter("vmState", VmInstanceState.Running);
List<PortForwardingRuleVO> rules = q.getResultList();
if (!rules.isEmpty()) {
List<VirtualRouterPortForwardingRuleRefVO> refs =
new ArrayList<VirtualRouterPortForwardingRuleRefVO>();
for (PortForwardingRuleVO rule : rules) {
VirtualRouterPortForwardingRuleRefVO ref = new VirtualRouterPortForwardingRuleRefVO();
ref.setVirtualRouterVmUuid(vr.getUuid());
ref.setVipUuid(rule.getVipUuid());
ref.setUuid(rule.getUuid());
dbf.getEntityManager().persist(ref);
refs.add(ref);
}
data.put(VirtualRouterSyncPortForwardingRulesOnStartFlow.class.getName(), refs);
}
return rules;
}
}
@Override
@Transactional(readOnly = true)
public HostMaintenancePolicy getHostMaintenancePolicy(HostInventory host) {
String sql =
"select count(ps) from PrimaryStorageVO ps, PrimaryStorageClusterRefVO ref where ps.uuid = ref.primaryStorageUuid"
+ " and ps.type = :type and ref.clusterUuid = :cuuid";
TypedQuery<Long> q = dbf.getEntityManager().createQuery(sql, Long.class);
q.setParameter("type", LocalStorageConstants.LOCAL_STORAGE_TYPE);
q.setParameter("cuuid", host.getClusterUuid());
q.setMaxResults(1);
Long count = q.getSingleResult();
return count > 0 ? HostMaintenancePolicy.StopVm : null;
}
@Override
@Transactional
public void persist(KeyValueEntity entity) {
KeyValueBinaryVO bvo = new KeyValueBinaryVO();
bvo.setUuid(entity.getUuid());
try {
bvo.setContents(SerializableHelper.writeObject(entity));
} catch (IOException e) {
throw new CloudRuntimeException(e);
}
dbf.getEntityManager().persist(bvo);
List<KeyValueStruct> structs = new KeyValueSerializer().build(entity);
for (KeyValueStruct struct : structs) {
KeyValueVO vo = new KeyValueVO();
vo.setClassName(entity.getClass().getName());
vo.setUuid(entity.getUuid());
vo.setEntityKey(struct.getKey());
vo.setEntityValue(struct.getValue());
vo.setValueType(struct.getType().getName());
dbf.getEntityManager().persist(vo);
}
}
@Transactional(readOnly = true)
private String getLocalStorageInCluster(String clusterUuid) {
String sql =
"select pri.uuid from PrimaryStorageVO pri, PrimaryStorageClusterRefVO ref where pri.uuid = ref.primaryStorageUuid and ref.clusterUuid = :cuuid and pri.type = :ptype";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("cuuid", clusterUuid);
q.setParameter("ptype", LocalStorageConstants.LOCAL_STORAGE_TYPE);
List<String> ret = q.getResultList();
if (ret.isEmpty()) {
return null;
}
return ret.get(0);
}
@Transactional(readOnly = true)
private void checkIfBackupStorageAttachedToMyZone(String bsUuid) {
String sql =
"select bs.uuid from BackupStorageVO bs, BackupStorageZoneRefVO ref where bs.uuid = ref.backupStorageUuid and ref.zoneUuid = :zoneUuid and bs.uuid = :bsUuid";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("zoneUuid", self.getZoneUuid());
q.setParameter("bsUuid", bsUuid);
if (q.getResultList().isEmpty()) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"backup storage[uuid:%s] is not attached to zone[uuid:%s] the primary storage[uuid:%s] belongs to",
bsUuid, self.getZoneUuid(), self.getUuid())));
}
}
@Transactional(readOnly = true)
private List<String> getVmUuidFromL2NetworkDetached(List<L2NetworkDetachStruct> structs) {
List<String> vmUuids = new ArrayList<String>();
for (L2NetworkDetachStruct s : structs) {
String sql =
"select vm.uuid from VmInstanceVO vm, L2NetworkVO l2, L3NetworkVO l3, VmNicVO nic where vm.type = :vmType and vm.clusterUuid = :clusterUuid and vm.state not in (:vmStates) and vm.uuid = nic.vmInstanceUuid and nic.l3NetworkUuid = l3.uuid and l3.l2NetworkUuid = l2.uuid and l2.uuid = :l2Uuid";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("vmType", VmInstanceConstant.USER_VM_TYPE);
q.setParameter(
"vmStates",
Arrays.asList(
VmInstanceState.Stopped, VmInstanceState.Migrating, VmInstanceState.Stopping));
q.setParameter("clusterUuid", s.getClusterUuid());
q.setParameter("l2Uuid", s.getL2NetworkUuid());
vmUuids.addAll(q.getResultList());
}
return vmUuids;
}
@Transactional(readOnly = true)
private List<String> getVmUuidForPrimaryStorageDetached(
List<PrimaryStorageDetachStruct> structs) {
List<String> vmUuids = new ArrayList<String>();
for (PrimaryStorageDetachStruct s : structs) {
String sql =
"select vm.uuid from VmInstanceVO vm, PrimaryStorageVO ps, VolumeVO vol where vm.type = :vmType and vm.state not in (:vmStates) and vm.clusterUuid = :clusterUuid and vm.uuid = vol.vmInstanceUuid and vol.primaryStorageUuid = :psUuid";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("vmType", VmInstanceConstant.USER_VM_TYPE);
q.setParameter(
"vmStates",
Arrays.asList(
VmInstanceState.Stopped, VmInstanceState.Migrating, VmInstanceState.Stopping));
q.setParameter("clusterUuid", s.getClusterUuid());
q.setParameter("psUuid", s.getPrimaryStorageUuid());
vmUuids.addAll(q.getResultList());
}
return vmUuids;
}
@Transactional(readOnly = true)
private List<VmInstanceVO> getCandidateVmForAttaching(String accountUuid) {
List<String> vmUuids =
acntMgr.getResourceUuidsCanAccessByAccount(accountUuid, VmInstanceVO.class);
if (vmUuids != null && vmUuids.isEmpty()) {
return new ArrayList<VmInstanceVO>();
}
TypedQuery<VmInstanceVO> q = null;
String sql;
if (vmUuids == null) {
// all vms
if (self.getStatus() == VolumeStatus.Ready) {
sql =
"select vm from VmInstanceVO vm, PrimaryStorageClusterRefVO ref, VolumeVO vol where vm.state in (:vmStates) and vol.uuid = :volUuid and vm.hypervisorType in (:hvTypes) and vm.clusterUuid = ref.clusterUuid and ref.primaryStorageUuid = vol.primaryStorageUuid group by vm.uuid";
q = dbf.getEntityManager().createQuery(sql, VmInstanceVO.class);
q.setParameter("volUuid", self.getUuid());
List<String> hvTypes =
VolumeFormat.valueOf(self.getFormat())
.getHypervisorTypesSupportingThisVolumeFormatInString();
q.setParameter("hvTypes", hvTypes);
} else if (self.getStatus() == VolumeStatus.NotInstantiated) {
sql = "select vm from VmInstanceVO vm where vm.state in (:vmStates) group by vm.uuid";
q = dbf.getEntityManager().createQuery(sql, VmInstanceVO.class);
} else {
DebugUtils.Assert(
false, String.format("should not reach here, volume[uuid:%s]", self.getUuid()));
}
} else {
if (self.getStatus() == VolumeStatus.Ready) {
sql =
"select vm from VmInstanceVO vm, PrimaryStorageClusterRefVO ref, VolumeVO vol where vm.uuid in (:vmUuids) and vm.state in (:vmStates) and vol.uuid = :volUuid and vm.hypervisorType in (:hvTypes) and vm.clusterUuid = ref.clusterUuid and ref.primaryStorageUuid = vol.primaryStorageUuid group by vm.uuid";
q = dbf.getEntityManager().createQuery(sql, VmInstanceVO.class);
q.setParameter("volUuid", self.getUuid());
List<String> hvTypes =
VolumeFormat.valueOf(self.getFormat())
.getHypervisorTypesSupportingThisVolumeFormatInString();
q.setParameter("hvTypes", hvTypes);
} else if (self.getStatus() == VolumeStatus.NotInstantiated) {
sql =
"select vm from VmInstanceVO vm where vm.uuid in (:vmUuids) and vm.state in (:vmStates) group by vm.uuid";
q = dbf.getEntityManager().createQuery(sql, VmInstanceVO.class);
} else {
DebugUtils.Assert(
false, String.format("should not reach here, volume[uuid:%s]", self.getUuid()));
}
q.setParameter("vmUuids", vmUuids);
}
q.setParameter("vmStates", Arrays.asList(VmInstanceState.Running, VmInstanceState.Stopped));
List<VmInstanceVO> vms = q.getResultList();
if (vms.isEmpty()) {
return vms;
}
VolumeInventory vol = getSelfInventory();
for (VolumeGetAttachableVmExtensionPoint ext :
pluginRgty.getExtensionList(VolumeGetAttachableVmExtensionPoint.class)) {
vms = ext.returnAttachableVms(vol, vms);
}
return vms;
}
@Override
@Transactional(readOnly = true)
public List<VolumeVO> returnAttachableVolumes(VmInstanceInventory vm, List<VolumeVO> candidates) {
// find instantiated volumes
List<String> volUuids =
CollectionUtils.transformToList(
candidates,
new Function<String, VolumeVO>() {
@Override
public String call(VolumeVO arg) {
return VolumeStatus.Ready == arg.getStatus() ? arg.getUuid() : null;
}
});
if (volUuids.isEmpty()) {
return candidates;
}
List<VolumeVO> uninstantiatedVolumes =
CollectionUtils.transformToList(
candidates,
new Function<VolumeVO, VolumeVO>() {
@Override
public VolumeVO call(VolumeVO arg) {
return arg.getStatus() == VolumeStatus.NotInstantiated ? arg : null;
}
});
String sql =
"select ref.hostUuid from LocalStorageResourceRefVO ref where ref.resourceUuid = :volUuid and ref.resourceType = :rtype";
TypedQuery<String> q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("volUuid", vm.getRootVolumeUuid());
q.setParameter("rtype", VolumeVO.class.getSimpleName());
List<String> ret = q.getResultList();
if (ret.isEmpty()) {
return candidates;
}
String hostUuid = ret.get(0);
sql =
"select ref.resourceUuid from LocalStorageResourceRefVO ref where ref.resourceUuid in (:uuids) and ref.resourceType = :rtype"
+ " and ref.hostUuid != :huuid";
q = dbf.getEntityManager().createQuery(sql, String.class);
q.setParameter("uuids", volUuids);
q.setParameter("huuid", hostUuid);
q.setParameter("rtype", VolumeVO.class.getSimpleName());
final List<String> toExclude = q.getResultList();
candidates =
CollectionUtils.transformToList(
candidates,
new Function<VolumeVO, VolumeVO>() {
@Override
public VolumeVO call(VolumeVO arg) {
return toExclude.contains(arg.getUuid()) ? null : arg;
}
});
candidates.addAll(uninstantiatedVolumes);
return candidates;
}