@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
public void afterDeleteHost(final HostInventory inventory) {
final String priUuid = getLocalStorageInCluster(inventory.getClusterUuid());
if (priUuid != null) {
RemoveHostFromLocalStorageMsg msg = new RemoveHostFromLocalStorageMsg();
msg.setPrimaryStorageUuid(priUuid);
msg.setHostUuid(inventory.getUuid());
bus.makeTargetServiceIdByResourceUuid(msg, PrimaryStorageConstant.SERVICE_ID, priUuid);
MessageReply reply = bus.call(msg);
if (!reply.isSuccess()) {
// TODO
logger.warn(
String.format(
"failed to remove host[uuid:%s] from local primary storage[uuid:%s], %s",
inventory.getUuid(), priUuid, reply.getError()));
} else {
logger.debug(
String.format(
"removed host[uuid:%s] from local primary storage[uuid:%s]",
inventory.getUuid(), priUuid));
}
}
}