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# Copyright (c) 2017 Wind River Systems, 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.
import logging
import json
import traceback
from keystoneauth1.exceptions import HttpError
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from newton.pub.exceptions import VimDriverNewtonException
from util import VimDriverUtils
logger = logging.getLogger(__name__)
class Subnets(APIView):
service = {'service_type': 'network',
'interface': 'public',
'region_name': 'RegionOne'}
keys_mapping = [
("project_id", "tenantId"),
("network_id", "networkId"),
("ip_version", "ipVersion"),
("enable_dhcp", "enableDhcp"),
("gateway_ip", "gatewayIp"),
("dns_nameservers", "dnsNameservers"),
("host_routes", "hostRoutes"),
("allocation_pools", "allocationPools"),
]
def get(self, request, vimid="", tenantid="", subnetid=""):
logger.debug("Subnets--get::> %s" % request.data)
try:
# prepare request resource to vim instance
query = VimDriverUtils.get_query_part(request)
content, status_code = self.get_subnets(query, vimid, tenantid, subnetid)
return Response(data=content, status=status_code)
except VimDriverNewtonException as e:
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def get_subnets(self, query="", vimid="", tenantid="", subnetid=""):
logger.debug("Subnets--get_subnets::> %s" % subnetid)
# prepare request resource to vim instance
req_resouce = "v2.0/subnets"
if subnetid:
req_resouce += "/%s" % subnetid
if query:
req_resouce += "?%s" % query
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
resp = sess.get(req_resouce, endpoint_filter=self.service)
content = resp.json()
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
}
content.update(vim_dict)
if not subnetid:
# convert the key naming in subnets
for subnet in content["subnets"]:
VimDriverUtils.replace_key_by_mapping(subnet,
self.keys_mapping)
else:
# convert the key naming in the subnet specified by id
subnet = content.pop("subnet", None)
VimDriverUtils.replace_key_by_mapping(subnet,
self.keys_mapping)
content.update(subnet)
return content, resp.status_code
def post(self, request, vimid="", tenantid="", subnetid=""):
logger.debug("Subnets--post::> %s" % request.data)
try:
#check if created already: check name
query = "name=%s" % request.data["name"]
content, status_code = self.get_subnets(query, vimid, tenantid)
existed = False
if status_code == 200:
for subnet in content["subnets"]:
if subnet["name"] == request.data["name"]:
existed = True
break
pass
if existed == True:
vim_dict = {
"returnCode": 0,
}
subnet.update(vim_dict)
return Response(data=subnet, status=status_code)
# prepare request resource to vim instance
req_resouce = "v2.0/subnets"
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
subnet = request.data
VimDriverUtils.replace_key_by_mapping(subnet,
self.keys_mapping, True)
req_body = json.JSONEncoder().encode({"subnet": subnet})
resp = sess.post(req_resouce, data=req_body,
endpoint_filter=self.service)
resp_body = resp.json()["subnet"]
VimDriverUtils.replace_key_by_mapping(resp_body, self.keys_mapping)
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
"returnCode": 1,
}
resp_body.update(vim_dict)
return Response(data=resp_body, status=resp.status_code)
except VimDriverNewtonException as e:
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
pass
def delete(self, request, vimid="", tenantid="", subnetid=""):
logger.debug("Subnets--delete::> %s" % request.data)
try:
# prepare request resource to vim instance
req_resouce = "v2.0/subnets"
if subnetid:
req_resouce += "/%s" % subnetid
query = VimDriverUtils.get_query_part(request)
if query:
req_resouce += "?%s" % query
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
resp = sess.delete(req_resouce, endpoint_filter=self.service)
return Response(status=resp.status_code)
except VimDriverNewtonException as e:
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
pass
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