From c3b2c2a9a22bac5cf17813c589444d3abebaa23b Mon Sep 17 00:00:00 2001 From: Wojciech Dec Date: Tue, 16 Aug 2016 19:27:01 +0200 Subject: Adding Mitaka networking-old module with the ODL topology based port binding resolution mechanism from https://review.openstack.org/333186 Change-Id: I10d400aac9bb639c146527f0f93e6925cb74d9de Signed-off-by: Wojciech Dec --- .../networking_odl/common/lightweight_testing.py | 177 +++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 networking-odl/networking_odl/common/lightweight_testing.py (limited to 'networking-odl/networking_odl/common/lightweight_testing.py') diff --git a/networking-odl/networking_odl/common/lightweight_testing.py b/networking-odl/networking_odl/common/lightweight_testing.py new file mode 100644 index 0000000..3d0cf2e --- /dev/null +++ b/networking-odl/networking_odl/common/lightweight_testing.py @@ -0,0 +1,177 @@ +# 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._i18n import _ +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) -- cgit 1.2.3-korg