@Override
@DB
public boolean delete(TemplateProfile profile) {
VMTemplateVO template = profile.getTemplate();
Long templateId = template.getId();
boolean success = true;
String zoneName;
if (!template.isCrossZones() && profile.getZoneId() != null) {
zoneName = profile.getZoneId().toString();
} else {
zoneName = "all zones";
}
s_logger.debug(
"Attempting to mark template host refs for template: "
+ template.getName()
+ " as destroyed in zone: "
+ zoneName);
Account account = _accountDao.findByIdIncludingRemoved(template.getAccountId());
String eventType = EventTypes.EVENT_TEMPLATE_DELETE;
List<TemplateDataStoreVO> templateHostVOs = this._tmpltStoreDao.listByTemplate(templateId);
for (TemplateDataStoreVO vo : templateHostVOs) {
TemplateDataStoreVO lock = null;
try {
lock = _tmpltStoreDao.acquireInLockTable(vo.getId());
if (lock == null) {
s_logger.debug(
"Failed to acquire lock when deleting templateDataStoreVO with ID: " + vo.getId());
success = false;
break;
}
vo.setDestroyed(true);
_tmpltStoreDao.update(vo.getId(), vo);
} finally {
if (lock != null) {
_tmpltStoreDao.releaseFromLockTable(lock.getId());
}
}
}
if (profile.getZoneId() != null) {
UsageEventVO usageEvent =
new UsageEventVO(eventType, account.getId(), profile.getZoneId(), templateId, null);
_usageEventDao.persist(usageEvent);
} else {
List<DataCenterVO> dcs = _dcDao.listAllIncludingRemoved();
for (DataCenterVO dc : dcs) {
UsageEventVO usageEvent =
new UsageEventVO(eventType, account.getId(), dc.getId(), templateId, null);
_usageEventDao.persist(usageEvent);
}
}
VMTemplateZoneVO templateZone =
_tmpltZoneDao.findByZoneTemplate(profile.getZoneId(), templateId);
if (templateZone != null) {
_tmpltZoneDao.remove(templateZone.getId());
}
s_logger.debug(
"Successfully marked template host refs for template: "
+ template.getName()
+ " as destroyed in zone: "
+ zoneName);
// If there are no more non-destroyed template host entries for this template, delete it
if (success && (_tmpltStoreDao.listByTemplate(templateId).size() == 0)) {
long accountId = template.getAccountId();
VMTemplateVO lock = _tmpltDao.acquireInLockTable(templateId);
try {
if (lock == null) {
s_logger.debug("Failed to acquire lock when deleting template with ID: " + templateId);
success = false;
} else if (_tmpltDao.remove(templateId)) {
// Decrement the number of templates and total secondary storage space used by the
// account.
_resourceLimitMgr.decrementResourceCount(accountId, ResourceType.template);
_resourceLimitMgr.recalculateResourceCount(
accountId, template.getDomainId(), ResourceType.secondary_storage.getOrdinal());
}
} finally {
if (lock != null) {
_tmpltDao.releaseFromLockTable(lock.getId());
}
}
s_logger.debug(
"Removed template: "
+ template.getName()
+ " because all of its template host refs were marked as destroyed.");
}
return success;
}
