def render(self, session, logger, metacluster, max_members,
fix_location, high_availability, comments, **arguments):
dbmetacluster = MetaCluster.get_unique(session, metacluster,
compel=True)
cluster_updated = False
if max_members is not None:
current_members = len(dbmetacluster.members)
if max_members < current_members:
raise ArgumentError("%s has %d clusters bound, which exceeds "
"the requested limit %d." %
(format(dbmetacluster), current_members,
max_members))
dbmetacluster.max_clusters = max_members
cluster_updated = True
if comments is not None:
dbmetacluster.comments = comments
cluster_updated = True
if high_availability is not None:
dbmetacluster.high_availability = high_availability
cluster_updated = True
# TODO update_cluster_location would update VMs. Metaclusters
# will contain VMs in Vulcan2 model.
plenaries = PlenaryCollection(logger=logger)
remove_plenaries = PlenaryCollection(logger=logger)
location_updated = update_cluster_location(session, logger,
dbmetacluster,
fix_location,
plenaries, remove_plenaries,
**arguments)
if location_updated:
cluster_updated = True
if not cluster_updated:
return
session.add(dbmetacluster)
session.flush()
dbmetacluster.validate()
plenary_info = Plenary.get_plenary(dbmetacluster, logger=logger)
key = plenary_info.get_write_key()
try:
lock_queue.acquire(key)
plenary_info.write(locked=True)
except:
plenary_info.restore_stash()
raise
finally:
lock_queue.release(key)
return
def render(self, session, logger, metacluster, personality, max_members,
fix_location, high_availability, comments, **arguments):
dbmetacluster = MetaCluster.get_unique(session, metacluster,
compel=True)
plenaries = PlenaryCollection(logger=logger)
plenaries.append(Plenary.get_plenary(dbmetacluster))
if personality:
archetype = dbmetacluster.personality.archetype.name
dbpersonality = Personality.get_unique(session, name=personality,
archetype=archetype,
compel=True)
if not dbpersonality.is_cluster:
raise ArgumentError("Personality {0} is not a cluster " +
"personality".format(dbpersonality))
dbmetacluster.personality = dbpersonality
if max_members is not None:
dbmetacluster.max_clusters = max_members
if comments is not None:
dbmetacluster.comments = comments
if high_availability is not None:
dbmetacluster.high_availability = high_availability
# TODO update_cluster_location would update VMs. Metaclusters
# will contain VMs in Vulcan2 model.
update_cluster_location(session, logger, dbmetacluster, fix_location,
plenaries, **arguments)
session.flush()
dbmetacluster.validate()
plenaries.write(locked=False)
return
