@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())));
}
}
