protected boolean isBlankTemplate() {
if (getVmTemplate() != null) {
return VmTemplateHandler.BLANK_VM_TEMPLATE_ID.equals(getVmTemplate().getId());
}
return false;
}
@Override
protected boolean canDoAction() {
Guid vmTemplateId = getVmTemplateId();
VmTemplate template = getVmTemplate();
if (!super.canDoAction()) {
return false;
}
boolean isInstanceType = getVmTemplate().getTemplateType() == VmEntityType.INSTANCE_TYPE;
if (getVdsGroup() == null && !isInstanceType) {
addCanDoActionMessage(EngineMessage.ACTION_TYPE_FAILED_CLUSTER_CAN_NOT_BE_EMPTY);
return false;
}
// check template exists
if (!validate(templateExists())) {
return false;
}
// check not blank template
if (VmTemplateHandler.BLANK_VM_TEMPLATE_ID.equals(vmTemplateId)) {
return failCanDoAction(EngineMessage.VMT_CANNOT_REMOVE_BLANK_TEMPLATE);
}
// check storage pool valid
if (!isInstanceType && !validate(new StoragePoolValidator(getStoragePool()).isUp())) {
return false;
}
// check if delete protected
if (template.isDeleteProtected()) {
return failCanDoAction(EngineMessage.ACTION_TYPE_FAILED_DELETE_PROTECTION_ENABLED);
}
if (!isInstanceType) {
fetchImageTemplates();
}
// populate all the domains of the template
Set<Guid> allDomainsList = getStorageDomainsByDisks(imageTemplates, true);
getParameters().setStorageDomainsList(new ArrayList<>(allDomainsList));
// check template images for selected domains
ArrayList<String> canDoActionMessages = getReturnValue().getCanDoActionMessages();
for (Guid domainId : getParameters().getStorageDomainsList()) {
if (!isVmTemplateImagesReady(
getVmTemplate(),
domainId,
canDoActionMessages,
getParameters().getCheckDisksExists(),
true,
false,
true,
storageToDisksMap.get(domainId))) {
return false;
}
}
// check no vms from this template on selected domains
List<VM> vms = getVmDao().getAllWithTemplate(vmTemplateId);
List<String> problematicVmNames = new ArrayList<>();
for (VM vm : vms) {
problematicVmNames.add(vm.getName());
}
if (!problematicVmNames.isEmpty()) {
return failCanDoAction(
EngineMessage.VMT_CANNOT_REMOVE_DETECTED_DERIVED_VM,
String.format("$vmsList %1$s", StringUtils.join(problematicVmNames, ",")));
}
if (template.isBaseTemplate() && !tryLockSubVersionIfExists()) {
return false;
}
if (!isInstanceType && !validate(checkNoDisksBasedOnTemplateDisks())) {
return false;
}
return true;
}