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# Copyright 2017 ZTE Corporation.
#
# 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
from drf_yasg.utils import swagger_auto_schema
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from res.pub.exceptions import VNFRESException
from res.pub.database.models import StorageInstModel
from res.pub.database.models import NetworkInstModel
from res.pub.database.models import FlavourInstModel
from res.pub.database.models import SubNetworkInstModel
from res.pub.database.models import CPInstModel
from res.resources.serializers import VolumeInfoSerializer
from res.resources.serializers import CpsInfoSerializer
from res.resources.serializers import SubnetInfoSerializer
from res.resources.serializers import NetworkInfoSerializer
from res.resources.serializers import FlavorInfoSerializer
from res.resources.views.base_view import view_safe_call_with_log
logger = logging.getLogger(__name__)
def query_resources(res_type, logger, resources, cvt_fun, res_serializer):
logger.debug("Enter query %s", res_type)
resp = {
'resp_data': [cvt_fun(res) for res in resources]
}
resp_serializer = res_serializer(data=resp)
if not resp_serializer.is_valid():
raise VNFRESException(resp_serializer.errors)
return Response(
data=resp,
status=status.HTTP_200_OK
)
class getFlavors(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: FlavorInfoSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, vnfInstanceId):
return query_resources(
res_type="Flavors",
logger=logger,
resources=FlavourInstModel.objects.filter(instid=vnfInstanceId),
cvt_fun=fill_flavours_data,
res_serializer=FlavorInfoSerializer
)
def fill_flavours_data(f):
flavours_data = {
"flavourid": f.flavourid,
"name": f.name,
"vcpu": f.vcpu,
"memory": f.memory,
"extraspecs": f.extraspecs,
"instid": f.instid,
"tenant": f.tenant,
"vimid": f.vimid,
"resouceid": f.resouceid,
"create_time": f.create_time
}
return flavours_data
class getNetworks(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: NetworkInfoSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, vnfInstanceId):
return query_resources(
res_type="Networks",
logger=logger,
resources=NetworkInstModel.objects.filter(instid=vnfInstanceId),
cvt_fun=fill_networks_data,
res_serializer=NetworkInfoSerializer
)
def fill_networks_data(network):
networks_data = {
"networkid": network.networkid,
"vimid": network.vimid,
"resouceid": network.resouceid,
"insttype": network.insttype,
"instid": network.instid,
"name": network.name
}
return networks_data
class getSubnets(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: SubnetInfoSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, vnfInstanceId):
return query_resources(
res_type="Subnets",
logger=logger,
resources=SubNetworkInstModel.objects.filter(instid=vnfInstanceId),
cvt_fun=fill_subnets_data,
res_serializer=SubnetInfoSerializer
)
def fill_subnets_data(subnet):
subnets_data = {
"subnetworkid": subnet.subnetworkid,
"vimid": subnet.vimid,
"resouceid": subnet.resouceid,
"networkid": subnet.networkid,
"insttype": subnet.insttype,
"instid": subnet.instid,
"name": subnet.name,
"cidr": subnet.cidr
}
return subnets_data
class getCps(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: CpsInfoSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, vnfInstanceId):
return query_resources(
res_type="Cps",
logger=logger,
resources=CPInstModel.objects.filter(ownerid=vnfInstanceId),
cvt_fun=fill_cps_data,
res_serializer=CpsInfoSerializer
)
def fill_cps_data(cp):
cps_data = {
"cpinstanceid": cp.cpinstanceid,
"cpdid": cp.cpdid,
"cpinstancename": cp.cpinstancename,
"vlinstanceid": cp.vlinstanceid,
"ownertype": cp.ownertype,
"ownerid": cp.ownerid,
"relatedtype": cp.relatedtype
}
return cps_data
class getVolumes(APIView):
@swagger_auto_schema(
responses={
status.HTTP_200_OK: VolumeInfoSerializer(),
status.HTTP_500_INTERNAL_SERVER_ERROR: 'internal error'
}
)
@view_safe_call_with_log(logger=logger)
def get(self, request, vnfInstanceId):
return query_resources(
res_type="Volumes",
logger=logger,
resources=StorageInstModel.objects.filter(instid=vnfInstanceId),
cvt_fun=fill_volumes_data,
res_serializer=VolumeInfoSerializer
)
def fill_volumes_data(v):
volumes_data = {
"storageid": v.storageid,
"vimid": v.vimid,
"resouceid": v.resouceid,
"insttype": v.insttype,
"instid": v.instid,
"storagetype": v.storagetype,
"size": v.size
}
return volumes_data
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