# Copyright 2017 Wind River Systems, Inc.
+# Copyright (c) 2017-2018 VMware, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# 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 os
+import json
import re
+import tempfile
+from django.core.files.uploadedfile import InMemoryUploadedFile
+from poster.encode import multipart_encode
+from poster.streaminghttp import register_openers
+
+from rest_framework.views import APIView
+from rest_framework.views import Response
+from rest_framework.views import status
+from multivimbroker.forwarder.base import BaseHandler
+from multivimbroker.pub.utils.syscomm import originHeaders
+from multivimbroker.pub.utils import syscomm
+from multivimbroker.pub.msapi import extsys
+
+
+class BaseServer(BaseHandler, APIView):
+
+ def get(self, request, vimid):
+ raise NotImplementedError()
+
+ def post(self, request, vimid):
+ raise NotImplementedError()
+
+ def put(self, request, vimid):
+ raise NotImplementedError()
+
+ def delete(self, request, vimid):
+ raise NotImplementedError()
+
+ def head(self, request, vimid):
+ raise NotImplementedError()
+
+ def patch(self, request, vimid):
+ raise NotImplementedError()
+
+
+# proxy handler
+class Identity(BaseServer):
+
+ def get(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "GET",
+ headers=originHeaders(request))
+
+ def post(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "POST",
+ headers=originHeaders(request))
+
+
+class Registry(BaseServer):
+
+ def post(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "POST",
+ headers=originHeaders(request))
+
+
+class UnRegistry(BaseServer):
+
+ def delete(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body,
+ "DELETE", headers=originHeaders(request))
+
+
+class Extension(BaseServer):
+
+ def get(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "GET",
+ headers=originHeaders(request))
+
+
+class VIMTypes(BaseServer):
+
+ def get(self, request):
+ return Response(data=syscomm.getVIMTypes(), status=status.HTTP_200_OK)
+
+
+class CheckCapacity(BaseServer):
+
+ def post(self, request):
+ try:
+ body = json.loads(request.body)
+ except ValueError as e:
+ return Response(
+ data={'error': 'Invalidate request body %s.' % e},
+ status=status.HTTP_400_BAD_REQUEST)
+
+ ret = {"VIMs": []}
+ newbody = {
+ "vCPU": body.get("vCPU", 0),
+ "Memory": body.get("Memory", 0),
+ "Storage": body.get("Storage", 0)
+ }
+ for vim in body.get("VIMs", []):
+ url = request.get_full_path().replace(
+ "check_vim_capacity", "%s/capacity_check" % vim)
+ resp = self.send(vim, url, json.dumps(newbody), "POST")
+ if int(resp.status_code) != status.HTTP_200_OK:
+ continue
+ try:
+ resp_body = json.loads(resp.content)
+ except ValueError:
+ continue
+ if not resp_body.get("result", False):
+ continue
+ ret['VIMs'].append(vim)
+ return Response(data=ret, status=status.HTTP_200_OK)
+
+
+# forward handler
+class Forward(BaseServer):
+
+ def get(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "GET",
+ headers=originHeaders(request))
+
+ def post(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "POST",
+ headers=originHeaders(request))
+
+ def patch(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "PATCH",
+ headers=originHeaders(request))
+
+ def delete(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body,
+ "DELETE", headers=originHeaders(request))
+
+ def head(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "HEAD",
+ headers=originHeaders(request))
+
+ def put(self, request, vimid):
+
+ return self.send(vimid, request.get_full_path(), request.body, "PUT",
+ headers=originHeaders(request))
+
+
+# API v1
+# proxy handler
+class APIv1Identity(Identity):
+
+ def get(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Identity, self).get(request, vimid)
+
+ def post(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Identity, self).post(request, vimid)
+
+
+class APIv1Registry(Registry):
+
+ def post(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Registry, self).post(request, vimid)
+
+
+class APIv1UnRegistry(UnRegistry):
+
+ def delete(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1UnRegistry, self).delete(request, vimid)
+
+
+class APIv1Extension(Extension):
+
+ def get(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Extension, self).get(request, vimid)
+
+
+class APIv1VIMTypes(VIMTypes):
+
+ def get(self, request):
+ return super(APIv1VIMTypes, self).get(request)
+
+
+class APIv1CheckCapacity(CheckCapacity):
+
+ def post(self, request):
+ try:
+ body = json.loads(request.body)
+ except ValueError as e:
+ return Response(
+ data={'error': 'Invalidate request body %s.' % e},
+ status=status.HTTP_400_BAD_REQUEST)
+
+ ret = {"VIMs": []}
+ newbody = {
+ "vCPU": body.get("vCPU", 0),
+ "Memory": body.get("Memory", 0),
+ "Storage": body.get("Storage", 0)
+ }
+ for vim in body.get("VIMs", []):
+ cloud_owner = vim["cloud-owner"]
+ cloud_region_id = vim["cloud-region-id"]
+ url = request.get_full_path().replace(
+ "check_vim_capacity", "%s/%s/capacity_check" %
+ (cloud_owner, cloud_region_id))
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ resp = self.send(vimid, url, json.dumps(newbody), "POST")
+ if int(resp.status_code) != status.HTTP_200_OK:
+ continue
+ try:
+ resp_body = json.loads(resp.content)
+ except ValueError:
+ continue
+ if not resp_body.get("result", False):
+ continue
+ ret['VIMs'].append(vim)
+ return Response(data=ret, status=status.HTTP_200_OK)
+
+
+# forward handler
+class APIv1Forward(Forward):
+
+ def get(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).get(request, vimid)
+
+ def post(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).post(request, vimid)
+
+ def patch(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).patch(request, vimid)
+
+ def delete(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).delete(request, vimid)
+
+ def head(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).head(request, vimid)
+
+ def put(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return super(APIv1Forward, self).put(request, vimid)
+
+
+class APIv1InfraWorkload(BaseServer):
+
+ def post(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ if len(request.FILES) != 0:
+ return self.__process_multipart(request, vimid)
+ return self.send(vimid, request.get_full_path(), request.body, "POST",
+ headers=originHeaders(request))
+
+ def get(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return self.send(vimid, request.get_full_path(), request.body, "GET",
+ headers=originHeaders(request))
+
+ def delete(self, request, cloud_owner, cloud_region_id):
+ vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
+ return self.send(vimid, request.get_full_path(), request.body,
+ "DELETE", headers=originHeaders(request))
-from django.http import HttpResponse
-from django.views.decorators.csrf import csrf_exempt
-
-from rest_framework import status
-
-from multivimbroker.pub.utils.restcall import req_by_msb
-from multivimbroker.pub.msapi.extsys import get_vim_by_id
-
-logger = logging.getLogger(__name__)
-
-
-@csrf_exempt
-def route(request, vimid=''):
- """ get vim info from vimid from local cache first
- and then to ESR if cache miss
- """
- content = ""
- status_code = status.HTTP_200_OK
- try:
- vim = get_vim_by_id(vimid)
-
- # if vim type is openstack, use latest "newton" version as default
- if vim["type"] == "openstack":
- vim["type"] = "multivim-newton"
-
- route_uri = re.sub('multivim', vim["type"], request.get_full_path())
- retcode, content, status_code = \
- req_by_msb(route_uri, request.method, request.body)
- if retcode != 0:
- # Execptions are handled within req_by_msb
- logger.error("Status code is %s, detail is %s.",
- status_code, content)
- except Exception as e:
- content = e
- status_code = status.HTTP_500_INTERNAL_SERVER_ERROR
- return HttpResponse(content, status_code)
+ def __process_multipart(self, request, vimid):
+ try:
+ register_openers()
+ dataDict = dict(request.data.iterlists())
+ params = {}
+ for key in dataDict.keys():
+ dataObj = dataDict[key][0]
+ if isinstance(dataObj, InMemoryUploadedFile):
+ f = tempfile.NamedTemporaryFile(prefix="django_",
+ suffix=dataObj._name,
+ delete=False)
+ f.write(dataObj.file.read())
+ f.seek(dataObj.file.tell(), 0)
+ dataObj.file.close()
+ params[key] = open(f.name, 'rb')
+ else:
+ params[key] = dataObj
+ datagen, headers = multipart_encode(params)
+ regex = re.compile('^HTTP_')
+ for key, value in request.META.iteritems():
+ if key.startswith("HTTP_"):
+ headers[regex.sub('', key).replace('_', '-')] = value
+ resp = self.send(vimid, request.path, datagen, "POST",
+ headers=headers, multipart=True)
+ finally:
+ for key in params:
+ refobj = params[key]
+ if type(refobj) is not unicode:
+ if refobj.closed is False:
+ print refobj.close()
+ os.remove(refobj.name)
+ return resp