def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
# NOTE(sbauza): We do NOT save the set of compute nodes that an
# instance group is connected to in this method. Instance groups are
# implicitly connected to compute nodes when the
# InstanceGroup.add_members() method is called, which adds the mapping
# table entries.
# So, since the only way to have hosts in the updates is to set that
# field explicitly, we prefer to raise an Exception so the developer
# knows he has to call obj_reset_changes(['hosts']) right after setting
# the field.
if 'hosts' in updates:
raise exception.InstanceGroupSaveException(field='hosts')
# NOTE(yikun): You have to provide exactly one policy on group create,
# and also there are no group update APIs, so we do NOT support
# policies update.
if 'policies' in updates:
raise exception.InstanceGroupSaveException(field='policies')
if not updates:
return
payload = dict(updates)
payload['server_group_id'] = self.uuid
db_group = self._save_in_db(self._context, self.uuid, updates)
self._from_db_object(self._context, self, db_group)
compute_utils.notify_about_server_group_update(self._context, "update",
payload)
def save(self):
"""Save updates to this instance group."""
updates = self.obj_get_changes()
# NOTE(sbauza): We do NOT save the set of compute nodes that an
# instance group is connected to in this method. Instance groups are
# implicitly connected to compute nodes when the
# InstanceGroup.add_members() method is called, which adds the mapping
# table entries.
# So, since the only way to have hosts in the updates is to set that
# field explicitly, we prefer to raise an Exception so the developer
# knows he has to call obj_reset_changes(['hosts']) right after setting
# the field.
if 'hosts' in updates:
raise exception.InstanceGroupSaveException(field='hosts')
if not updates:
return
# WRS:extension
if 'metadetails' in updates:
metadata = updates.pop('metadetails')
updates.update({'metadata': metadata})
payload = dict(updates)
payload['server_group_id'] = self.uuid
try:
db_group = self._save_in_db(self._context, self.uuid, updates)
except exception.InstanceGroupNotFound:
db.instance_group_update(self._context, self.uuid, updates)
db_group = db.instance_group_get(self._context, self.uuid)
self._from_db_object(self._context, self, db_group)
compute_utils.notify_about_server_group_update(self._context,
"update", payload)