¡@
OpenStack Study: security_group_rule.py**** CubicPower OpenStack Study ****
# Copyright 2013 Red Hat, Inc. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. from nova import db from nova.objects import base from nova.objects import fields from nova.objects import security_group OPTIONAL_ATTRS = ['parent_group', 'grantee_group']
**** CubicPower OpenStack Study **** class SecurityGroupRule(base.NovaPersistentObject, base.NovaObject): # Version 1.0: Initial version VERSION = '1.0' fields = { 'id': fields.IntegerField(), 'protocol': fields.StringField(nullable=True), 'from_port': fields.IntegerField(nullable=True), 'to_port': fields.IntegerField(nullable=True), 'cidr': fields.IPNetworkField(nullable=True), 'parent_group': fields.ObjectField('SecurityGroup', nullable=True), 'grantee_group': fields.ObjectField('SecurityGroup', nullable=True), } @staticmethod
**** CubicPower OpenStack Study **** def _from_db_subgroup(context, db_group): if db_group is None: return None return security_group.SecurityGroup._from_db_object( context, security_group.SecurityGroup(), db_group) @staticmethod
**** CubicPower OpenStack Study **** def _from_db_object(context, rule, db_rule, expected_attrs=None): if expected_attrs is None: expected_attrs = [] for field in rule.fields: if field in expected_attrs: rule[field] = rule._from_db_subgroup(context, db_rule[field]) elif field not in OPTIONAL_ATTRS: rule[field] = db_rule[field] rule._context = context rule.obj_reset_changes() return rule @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_id(cls, context, rule_id): db_rule = db.security_group_rule_get(context, rule_id) return cls._from_db_object(context, cls(), db_rule)
**** CubicPower OpenStack Study **** class SecurityGroupRuleList(base.ObjectListBase, base.NovaObject): fields = { 'objects': fields.ListOfObjectsField('SecurityGroupRule'), } child_versions = { '1.0': '1.0', } @base.remotable_classmethod
**** CubicPower OpenStack Study **** def get_by_security_group_id(cls, context, secgroup_id): db_rules = db.security_group_rule_get_by_security_group( context, secgroup_id, columns_to_join=['grantee_group']) return base.obj_make_list(context, cls(), SecurityGroupRule, db_rules, expected_attrs=['grantee_group']) @classmethod
**** CubicPower OpenStack Study **** def get_by_security_group(cls, context, security_group): return cls.get_by_security_group_id(context, security_group.id)
|