neutron/neutron/services/logapi/common/sg_validate.py

85 lines
3.1 KiB
Python

# Copyright (c) 2018 Fujitsu Limited
# All Rights Reserved.
#
# 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 neutron_lib.services.logapi import constants as log_const
from oslo_log import log as logging
from sqlalchemy.orm import exc as orm_exc
from neutron.db import _utils as db_utils
from neutron.db.models import securitygroup as sg_db
from neutron.objects import ports
from neutron.objects import securitygroup as sg_object
from neutron.services.logapi.common import exceptions as log_exc
from neutron.services.logapi.common import validators
LOG = logging.getLogger(__name__)
def _check_port_bound_sg(context, sg_id, port_id):
try:
db_utils.model_query(context, sg_db.SecurityGroupPortBinding)\
.filter_by(security_group_id=sg_id, port_id=port_id).one()
except orm_exc.NoResultFound:
raise log_exc.InvalidResourceConstraint(
resource=log_const.SECURITY_GROUP,
resource_id=sg_id,
target_resource=log_const.PORT,
target_id=port_id
)
def _check_sg_exists(context, sg_id):
if sg_object.SecurityGroup.count(context, id=sg_id) < 1:
raise log_exc.ResourceNotFound(resource_id=sg_id)
def _get_port(context, port_id):
port = ports.Port.get_object(context, id=port_id)
if not port:
raise log_exc.TargetResourceNotFound(target_id=port_id)
return port
@validators.ResourceValidateRequest.register(log_const.SECURITY_GROUP)
def validate_security_group_request(context, log_data):
"""Validate a log request
This method validates log request is satisfied or not.
A ResourceNotFound will be raised if resource_id in log_data not exists or
a TargetResourceNotFound will be raised if target_id in log_data not
exists. This method will also raise a LoggingTypeNotSupported, if there is
no log_driver supporting for resource_type in log_data.
In addition, if log_data specify both resource_id and target_id. A
InvalidResourceConstraint will be raised if there is no constraint between
resource_id and target_id.
"""
resource_id = log_data.get('resource_id')
target_id = log_data.get('target_id')
if resource_id:
_check_sg_exists(context, resource_id)
if target_id:
port = _get_port(context, target_id)
if not validators.validate_log_type_for_port(
log_const.SECURITY_GROUP, port):
raise log_exc.LoggingTypeNotSupported(
log_type=log_const.SECURITY_GROUP,
port_id=target_id)
if resource_id and target_id:
_check_port_bound_sg(context, resource_id, target_id)