def _update_resource(self, context, transaction):
"""Actual Implementation that will Update the given Resource"""
#Update the Attributes on each of the VIO Servers
for vios in self.vioservers:
vios_id = vios._get_resource_identifer()
values = vios._get_resource_values(changes_only=True)
db_api.vios_update(self._context, vios_id, values)
#Retrieve the existing SEA's for the Host to figure out differences
dbseas = db_api.sea_find_all(self._context, dict(host=self.host_name))
exist_seas = dict([(sea['id'], sea) for sea in dbseas])
new_seas = dict([(sea['id'], sea) for sea in self.seas])
#Determine whether the SEA needs to be Created or updated
for sea in new_seas:
#If the SEA already exists, we just want to update what changed
if exist_seas.get(sea['id']) is not None:
values = sea._get_resource_values(changes_only=True)
db_api.sea_update(self._context, {'sea_id': sea['id']},
values, transaction)
#If the SEA is new, then we want to create it in the database
else:
values = sea._get_resource_values(changes_only=False)
db_api.sea_create(self._context, values)
#Now we want to clean up any SEA's that no longer exist in the topology
for sea in exist_seas:
if new_seas.get(sea['id']) is None:
db_api.sea_delete(self._context, sea['id'])
#Retrieve the existing VEA's for the Host to figure out differences
dbveas = db_api.vea_find_all(self._context, dict(host=self.host_name))
exist_veas = dict([(vea['id'], vea) for vea in dbveas])
new_veas = dict([(vea['id'], vea) for vea in self.veas])
#Determine whether the VEA needs to be Created or updated
for vea in new_veas:
#If the VEA already exists, we just want to update what changed
if exist_veas.get(vea['id']) is not None:
values = vea._get_resource_values(changes_only=True)
db_api.vea_update(self._context, vea['id'], values,
transaction)
#If the VEA is new, then we want to create it in the database
else:
values = vea._get_resource_values(changes_only=False)
db_api.vea_create(self._context, values)
#Now we want to clean up any VEA's that no longer exist in the topology
for vea in exist_veas:
if new_veas.get(vea['id']) is None:
db_api.vea_delete(self._context, vea['id'])
def _create_resource(self, context, transaction):
"""Actual Implementation that will Create the given Resource"""
values = self._get_resource_values()
sea = db_api.sea_create(context, values, transaction)
self._hydrate_all_resource_attributes(sea)