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# Copyright (c) 2015 Intel Inc.
# 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 copy import deepcopy
import requests
import six
from oslo_log import log as logging
from oslo_serialization import jsonutils
from networking_odl.common import client
from networking_odl.common import constants as odl_const
LOG = logging.getLogger(__name__)
OK = requests.codes.ok
NO_CONTENT = requests.codes.no_content
NOT_ALLOWED = requests.codes.not_allowed
NOT_FOUND = requests.codes.not_found
BAD_REQUEST = requests.codes.bad_request
class OpenDaylightLwtClient(client.OpenDaylightRestClient):
"""Lightweight testing client"""
lwt_dict = {odl_const.ODL_NETWORKS: {},
odl_const.ODL_SUBNETS: {},
odl_const.ODL_PORTS: {},
odl_const.ODL_SGS: {},
odl_const.ODL_SG_RULES: {},
odl_const.ODL_LOADBALANCERS: {},
odl_const.ODL_LISTENERS: {},
odl_const.ODL_POOLS: {},
odl_const.ODL_MEMBERS: {},
odl_const.ODL_HEALTHMONITORS: {}}
@classmethod
def _make_response(cls, status_code=OK, content=None):
"""Only supports 'content-type': 'application/json'"""
response = requests.models.Response()
response.status_code = status_code
if content:
response.raw = six.BytesIO(
jsonutils.dumps(content).encode('utf-8'))
return response
@classmethod
def _get_resource_id(cls, urlpath):
# resouce ID is the last element of urlpath
return str(urlpath).rsplit('/', 1)[-1]
@classmethod
def post(cls, resource_type, resource_dict, urlpath, resource_list):
"""No ID in URL, elements in resource_list must have ID"""
if resource_list is None:
raise ValueError("resource_list can not be None")
for resource in resource_list:
if resource['id'] in resource_dict:
LOG.debug("%s %s already exists", resource_type,
resource['id'])
response = cls._make_response(NOT_ALLOWED)
raise requests.exceptions.HTTPError(response=response)
resource_dict[resource['id']] = deepcopy(resource)
return cls._make_response(NO_CONTENT)
@classmethod
def put(cls, resource_type, resource_dict, urlpath, resource_list):
resource_id = cls._get_resource_id(urlpath)
if resource_list is None:
raise ValueError("resource_list can not be None")
if resource_id and len(resource_list) != 1:
LOG.debug("Updating %s with multiple resources", urlpath)
response = cls._make_response(BAD_REQUEST)
raise requests.exceptions.HTTPError(response=response)
for resource in resource_list:
res_id = resource_id or resource['id']
if res_id in resource_dict:
resource_dict[res_id].update(deepcopy(resource))
else:
LOG.debug("%s %s does not exist", resource_type, res_id)
response = cls._make_response(NOT_FOUND)
raise requests.exceptions.HTTPError(response=response)
return cls._make_response(NO_CONTENT)
@classmethod
def delete(cls, resource_type, resource_dict, urlpath, resource_list):
if resource_list is None:
resource_id = cls._get_resource_id(urlpath)
id_list = [resource_id]
else:
id_list = [res['id'] for res in resource_list]
for res_id in id_list:
removed = resource_dict.pop(res_id, None)
if removed is None:
LOG.debug("%s %s does not exist", resource_type, res_id)
response = cls._make_response(NOT_FOUND)
raise requests.exceptions.HTTPError(response=response)
return cls._make_response(NO_CONTENT)
@classmethod
def get(cls, resource_type, resource_dict, urlpath, resource_list=None):
resource_id = cls._get_resource_id(urlpath)
if resource_id:
resource = resource_dict.get(resource_id)
if resource is None:
LOG.debug("%s %s does not exist", resource_type, resource_id)
response = cls._make_response(NOT_FOUND)
raise requests.exceptions.HTTPError(response=response)
else:
# When getting single resource, return value is a dict
r_list = {resource_type[:-1]: deepcopy(resource)}
return cls._make_response(OK, r_list)
r_list = [{resource_type[:-1]: deepcopy(res)}
for res in six.itervalues(resource_dict)]
return cls._make_response(OK, r_list)
def sendjson(self, method, urlpath, obj=None):
"""Lightweight testing without ODL"""
if '/' not in urlpath:
urlpath += '/'
resource_type = str(urlpath).split('/', 1)[0]
resource_type = resource_type.replace('-', '_')
resource_dict = self.lwt_dict.get(resource_type)
if resource_dict is None:
LOG.debug("Resource type %s is not supported", resource_type)
response = self._make_response(NOT_FOUND)
raise requests.exceptions.HTTPError(response=response)
func = getattr(self, str(method).lower())
resource_list = None
if obj:
"""If obj is not None, it can only have one entry"""
assert len(obj) == 1, "Obj can only have one entry"
key, resource_list = list(obj.items())[0]
if not isinstance(resource_list, list):
# Need to transform resource_list to a real list, i.e. [res]
resource_list = [resource_list]
return func(resource_type, resource_dict, urlpath, resource_list)
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