raise errors.ConfigurationError("Can't generate unique MAC")
return mac
+ def IsMacInUse(self, mac):
+ """Predicate: check if the specified MAC is in use in the Ganeti cluster.
+
+ This only checks instances managed by this cluster, it does not
+ check for potential collisions elsewhere.
+
+ """
+ self._OpenConfig()
+ self._ReleaseLock()
+ all_macs = self._AllMACs()
+ return mac in all_macs
+
def _ComputeAllLVs(self):
"""Compute the list of all LVs.
for instance_name in data.instances:
instance = data.instances[instance_name]
if instance.primary_node not in data.nodes:
- result.append("Instance '%s' has invalid primary node '%s'" %
+ result.append("instance '%s' has invalid primary node '%s'" %
(instance_name, instance.primary_node))
for snode in instance.secondary_nodes:
if snode not in data.nodes:
- result.append("Instance '%s' has invalid secondary node '%s'" %
+ result.append("instance '%s' has invalid secondary node '%s'" %
(instance_name, snode))
for idx, nic in enumerate(instance.nics):
if nic.mac in seen_macs:
- result.append("Instance '%s' has NIC %d mac %s duplicate" %
+ result.append("instance '%s' has NIC %d mac %s duplicate" %
(instance_name, idx, nic.mac))
else:
seen_macs.append(nic.mac)