def get_federation_by_uuid(self, context, federation_uuid):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = query.filter_by(uuid=federation_uuid)
try:
return query.one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_uuid)
def destroy_federation(self, federation_id):
session = get_session()
with session.begin():
query = model_query(models.Federation, session=session)
query = add_identity_filter(query, federation_id)
try:
query.one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_id)
query.delete()
def get_federation_by_name(self, context, federation_name):
query = model_query(models.Federation)
query = self._add_tenant_filters(context, query)
query = query.filter_by(name=federation_name)
try:
return query.one()
except MultipleResultsFound:
raise exception.Conflict('Multiple federations exist with same '
'name. Please use the federation uuid '
'instead.')
except NoResultFound:
raise exception.FederationNotFound(federation=federation_name)
def _do_update_federation(self, federation_id, values):
session = get_session()
with session.begin():
query = model_query(models.Federation, session=session)
query = add_identity_filter(query, federation_id)
try:
ref = query.with_for_update().one()
except NoResultFound:
raise exception.FederationNotFound(federation=federation_id)
ref.update(values)
return ref
