--- /dev/null
+# 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
+import re
+from rest_framework.permissions import BasePermission
+from rest_framework.response import Response
+from rest_framework import status
+from rest_framework.views import APIView
+
+from newton.proxy.views.services import Services
+
+from newton.proxy.views.proxy_utils import ProxyUtils
+from newton.pub.exceptions import VimDriverNewtonException
+from newton.pub.msapi import extsys
+from newton.requests.views.util import VimDriverUtils
+
+
+logger = logging.getLogger(__name__)
+
+DEBUG=True
+
+class DnsaasDelegate(Services):
+ '''
+ DNSaaS delegate service
+ '''
+
+ def __init__(self):
+ self._logger = logger
+
+
+ def _do_action(self, action, request, vim_id, servicetype, requri):
+ tmp_auth_token = self._get_token(request)
+ try:
+ # fetch the auth_state out of cache
+ auth_state_str, metadata_catalog_str = VimDriverUtils.get_token_cache(tmp_auth_token)
+
+ if not auth_state_str:
+ #invalid token
+ return Response(data={'error': "request token %s is not valid" % (tmp_auth_token)},
+ status=status.HTTP_404_NOT_FOUND)
+
+ # get project name from auth_state
+ auth_state = json.loads(auth_state_str)
+ if not auth_state:
+ # invalid token
+ return Response(data={'error': "request token %s is broken" % (tmp_auth_token)},
+ status=status.HTTP_404_NOT_FOUND)
+
+ tenant_name = auth_state['body']['token']['project']['name']
+
+ #find out the delegated DNSaaS provider
+ viminfo = VimDriverUtils.get_vim_info(vim_id)
+ if not viminfo:
+ return Response(data={'error': "vimid %s is not found" % (vim_id)},
+ status=status.HTTP_404_NOT_FOUND)
+
+ cloud_dns_delegate_info = None
+ cloud_extra_info_str = viminfo.get('cloud_extra_info')
+ if cloud_extra_info_str:
+ cloud_extra_info = json.loads(cloud_extra_info_str)
+ cloud_dns_delegate_info = cloud_extra_info.get("dns-delegate")
+
+ if not cloud_dns_delegate_info \
+ or not cloud_dns_delegate_info.get("cloud-owner") \
+ or not cloud_dns_delegate_info.get("cloud-region-id"):
+ return Response(data={'error': "dns-delegate for vimid %s is not configured"
+ % (vim_id)},
+ status=status.HTTP_404_NOT_FOUND)
+
+ vimid_delegate = cloud_dns_delegate_info.get("cloud-owner") \
+ + "_" \
+ + cloud_dns_delegate_info.get("cloud-region-id")
+
+
+ #now forward request to delegated DNS service endpoint
+ vim = VimDriverUtils.get_vim_info(vimid_delegate)
+ if not vim:
+ return Response(data={'error': "vimid %s is not found" % (vimid_delegate)},
+ status=status.HTTP_404_NOT_FOUND)
+
+ sess = VimDriverUtils.get_session(vim, tenantname=tenant_name, auth_state=None)
+
+ cloud_owner, regionid = extsys.decode_vim_id(vimid_delegate)
+ interface = 'public'
+ service = {
+ 'service_type': servicetype,
+ 'interface': interface,
+ 'region_id': regionid
+ }
+
+ req_resource = requri
+ querystr = VimDriverUtils.get_query_part(request)
+ if querystr:
+ req_resource += "?" + querystr
+
+ self._logger.debug("service " + action + " request uri %s" % (req_resource))
+ if(action == "get"):
+ resp = sess.get(req_resource, endpoint_filter=service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ elif(action == "post"):
+ resp = sess.post(req_resource, data=json.JSONEncoder().encode(request.data),
+ endpoint_filter=service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ elif(action == "put"):
+ resp = sess.put(req_resource, data=json.JSONEncoder().encode(request.data),
+ endpoint_filter=service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ elif(action == "patch"):
+ resp = sess.patch(req_resource, data=json.JSONEncoder().encode(request.data),
+ endpoint_filter=service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ elif (action == "delete"):
+ resp = sess.delete(req_resource, endpoint_filter=service,
+ headers={"Content-Type": "application/json",
+ "Accept": "application/json"})
+ content = resp.json() if resp.content else None
+ self._logger.debug("service " + action + " response: %s, %s" % (resp.status_code, content))
+
+ if (action != "delete"):
+ return Response(headers={'X-Subject-Token': tmp_auth_token}, data=content, status=resp.status_code)
+ return Response(headers={'X-Subject-Token': tmp_auth_token}, status=resp.status_code)
+ except VimDriverNewtonException as e:
+ return Response(data={'error': e.content}, status=e.status_code)
+ except HttpError as e:
+ self._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:
+ self._logger.error(traceback.format_exc())
+ return Response(data={'error': str(e)},
+ status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
+ def get(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("get", request, vimid, "dns", requri)
+
+ def head(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("head", request, vimid, "dns", requri)
+
+ def post(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("post", request, vimid, "dns", requri)
+
+ def put(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("put", request, vimid, "dns", requri)
+
+ def patch(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("patch", request, vimid, "dns", requri)
+
+ def delete(self, request, vimid="", servicetype="dns-delegate", requri=""):
+ self._logger.debug("DnsaasDelegate--get::META> %s" % request.META)
+ self._logger.debug("DnsaasDelegate--get::data> %s" % request.data)
+ self._logger.debug("DnsaasDelegate--get::vimid, servicetype, requri> %s,%s,%s"
+ % (vimid, servicetype, requri))
+ return self._do_action("delete", request, vimid, "dns", requri)
Code Review / multicloud / openstack.git / commitdiff