@Override
protected Map<String, Pair<String, String>> getExclusiveLocks() {
return Collections.singletonMap(
getStoragePoolId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.POOL, VdcBllMessages.ACTION_TYPE_FAILED_OBJECT_LOCKED));
}
@Override
protected Map<String, Pair<String, String>> getSharedLocks() {
return Collections.singletonMap(
getVmId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.VM, EngineMessage.ACTION_TYPE_FAILED_VM_IS_LOCKED));
}
@Override
protected Map<String, Pair<String, String>> getExclusiveLocks() {
if (getVmTemplate() != null) {
return Collections.singletonMap(
getVmTemplateId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.TEMPLATE, getTemplateExclusiveLockMessage()));
}
return null;
}
@Override
protected boolean validate() {
if (!super.validate()
|| !checkStoragePool()
|| !checkStoragePoolStatusNotEqual(
StoragePoolStatus.Up, EngineMessage.ERROR_CANNOT_REMOVE_ACTIVE_STORAGE_POOL)) {
return false;
}
if (getStoragePool().getStatus() != StoragePoolStatus.Uninitialized
&& !getParameters().getForceDelete()
&& !initializeVds()) {
return false;
}
final List<StorageDomain> poolDomains =
getStorageDomainDao().getAllForStoragePool(getStoragePool().getId());
final List<StorageDomain> activeOrLockedDomains = getActiveOrLockedDomainList(poolDomains);
if (!activeOrLockedDomains.isEmpty()) {
return failValidation(EngineMessage.ERROR_CANNOT_REMOVE_POOL_WITH_ACTIVE_DOMAINS);
}
if (!getParameters().getForceDelete()) {
if (poolDomains.size() > 1) {
return failValidation(
EngineMessage.ERROR_CANNOT_REMOVE_STORAGE_POOL_WITH_NONMASTER_DOMAINS);
}
if (!poolDomains.isEmpty() && !canDetachStorageDomainWithVmsAndDisks(poolDomains.get(0))) {
return false;
}
} else {
List<VDS> poolHosts = getVdsDao().getAllForStoragePool(getParameters().getStoragePoolId());
sharedLocks = new HashMap<>();
for (VDS host : poolHosts) {
sharedLocks.put(
host.getId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.VDS, EngineMessage.ACTION_TYPE_FAILED_OBJECT_LOCKED));
}
if (!poolHosts.isEmpty() && acquireLockInternal()) {
for (VDS host : poolHosts) {
if (host.getStatus() != VDSStatus.Maintenance) {
return failValidation(
EngineMessage.ERROR_CANNOT_FORCE_REMOVE_STORAGE_POOL_WITH_VDS_NOT_IN_MAINTENANCE);
}
}
}
}
return true;
}
@Override
protected Map<String, Pair<String, String>> getExclusiveLocks() {
Map<String, Pair<String, String>> exclusiveLock = null;
if (getDisk() != null) {
exclusiveLock = new HashMap<>();
exclusiveLock.put(
getDisk().getId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.DISK,
EngineMessage.ACTION_TYPE_FAILED_DISKS_LOCKED.name()
+ String.format("$diskAliases %1$s", getDiskAlias())));
if (getDisk().isBoot()) {
exclusiveLock.put(
getVmId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.VM_DISK_BOOT, EngineMessage.ACTION_TYPE_FAILED_OBJECT_LOCKED));
}
}
return exclusiveLock;
}
@Override
protected Map<String, Pair<String, String>> getExclusiveLocks() {
if (disk == null) {
return null;
}
Map<String, Pair<String, String>> locks = new HashMap<>();
if (!disk.isShareable()) {
locks.put(
disk.getId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.DISK, EngineMessage.ACTION_TYPE_FAILED_OBJECT_LOCKED));
}
if (disk.isBoot()) {
locks.put(
getParameters().getVmId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.VM_DISK_BOOT, EngineMessage.ACTION_TYPE_FAILED_OBJECT_LOCKED));
}
return locks;
}
@Override
protected Map<String, Pair<String, String>> getExclusiveLocks() {
if (getNetworkName() == null) {
return null;
}
Map<String, Pair<String, String>> locks =
Collections.singletonMap(
getNetworkName(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.NETWORK, VdcBllMessages.ACTION_TYPE_FAILED_NETWORK_IS_USED));
return locks;
}
/**
* To prevent concurrent deletion.
*
* @return first: true ~ successfully locked, false otherwise; second: fail reasons in form
* suitable for canDoActionMessages
*/
private boolean acquireBaseTemplateSuccessorLock() {
final Map<String, Pair<String, String>> lockSharedMap =
Collections.singletonMap(
baseTemplateSuccessor.getId().toString(),
LockMessagesMatchUtil.makeLockingPair(
LockingGroup.TEMPLATE, createSubTemplateLockMessage(baseTemplateSuccessor)));
baseTemplateSuccessorLock = new EngineLock(null, lockSharedMap);
final Pair<Boolean, Set<String>> isLockedAndFailReason =
getLockManager().acquireLock(baseTemplateSuccessorLock);
if (isLockedAndFailReason.getFirst()) {
return true;
}
baseTemplateSuccessorLock = null;
getReturnValue()
.getCanDoActionMessages()
.addAll(extractVariableDeclarations(isLockedAndFailReason.getSecond()));
return false;
}
