def post(self, request, ns_instance, new_status, format=None):
"""
---
response_serializer: AccountSerializer
"""
queryset = Account.objects.filter(productType=settings.NETWORK_SERVICE, instanceId=ns_instance)
if queryset.exists():
jsonStatus='{"status":"' + new_status + '"}'
service = queryset[0]
serializer = AccountSerializer(service, data=json.loads(jsonStatus))
try:
if serializer.is_valid():
#saves the new status
serializer.save()
print "status changed "
#start/stop the SLA enforcement accordingly
if (new_status == settings.STATUS_RUNNING):
self.startEnforcement(service.agreementId)
if (new_status == settings.STATUS_STOPPED):
self.stopEnforcement(service.agreementId)
#prepares and sends the message to the queue
message = {}
message['instanceId'] = ns_instance
message['event'] = new_status
#print (json.dumps(serializer.data))
send_msg(json.dumps(serializer.data))
#update the status of the participant VNFs
vnf_list = service.relatives.replace(" ", "").split(",")
print "VNF list: ", vnf_list
for vnfInstance in vnf_list:
time.sleep(1)
print "VNF: ", vnfInstance
vnfquery = Account.objects.filter(productType=settings.VNF, instanceId=vnfInstance)
vnf = vnfquery[0]
vnfserializer = AccountSerializer(vnf, many=False, data=json.loads(jsonStatus))
if vnfserializer.is_valid():
#print "VNF2: ", json.dumps(vnfserializer.data)
vnfserializer.save()
#start/stop the SLA enforcement accordingly
if (new_status == settings.STATUS_RUNNING):
self.startEnforcement(vnf.agreementId)
if (new_status == settings.STATUS_STOPPED):
self.stopEnforcement(vnf.agreementId)
return Response(serializer.data, status=status.HTTP_201_CREATED)
except ReferenceError:
print " [ERROR] Could not update the messages queue"
return Response(status=status.HTTP_408_REQUEST_TIMEOUT)
except Exception as e:
print " [ERROR] ", e
return Response(status=status.HTTP_400_BAD_REQUEST)
return Response(queryset, status=status.HTTP_404_NOT_FOUND)
def get(self, request, vnf_instance, new_status, format=None):
queryset = Account.objects.filter(productType=settings.VNF,
instanceId=vnf_instance)
if queryset.exists():
jsonStatus = '{"status":"' + new_status + '"}'
for account in queryset:
serializer = AccountSerializer(account,
data=json.loads(jsonStatus))
try:
if serializer.is_valid():
#saves the new status
serializer.save()
print "status changed "
#prepares and sends the message to the queue
message = {}
message['instanceId'] = vnf_instance
message['event'] = new_status
#send_msg(json.dumps(serializer.data))
return Response(serializer.data,
status=status.HTTP_201_CREATED)
except ReferenceError:
print " [ERROR] Could not update the messages queue"
return Response(status=status.HTTP_408_REQUEST_TIMEOUT)
except Exception:
return Response(status=status.HTTP_400_BAD_REQUEST)
return Response(queryset, status=status.HTTP_404_NOT_FOUND)
def post(self, request, format=None):
serializer = AccountSerializer(data=request.data)
if serializer.is_valid():
try:
if Account.objects.filter(productType=request.data['productType'], instanceId=request.data['instanceId']):
print (" [ERROR] There is an entry already with that InstanceId (%s) for the same ProductType (%s)" % (request.data['instanceId'], request.data['productType']))
return Response(status=status.HTTP_400_BAD_REQUEST)
serializer.save()
#prepares and sends the message to the queue
message = {}
message['instanceId'] = request.data['instanceId']
message['event'] = request.data['status']
#send_msg(str(message))
send_msg(json.dumps(serializer.data))
#create the SLA agreements in the SLA module based on the already created templates
templateId = request.data['productType']+request.data['productId']+request.data['flavour']
createAgreement(templateId, request.data['clientId'], request.data['agreementId'])
#start the Agreement enforcement
f = restclient.Factory(settings.SLA_URL)
a_enforcement = f.enforcements()
a_enforcement.start(request.data['agreementId'])
except ReferenceError:
print " [ERROR] Could not update the messages queue"
return Response(status=status.HTTP_408_REQUEST_TIMEOUT)
except Exception as e:
print "DEBUG: ", e
return Response(status=status.HTTP_400_BAD_REQUEST)
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def user_list(request, pk=None):
"""
List all required messages, or create a new message.
"""
if request.method == 'GET':
if pk: # If PrimaryKey (id) of the user is specified in the url
users = Account.objects.filter(
id=pk) # Select only that particular user
else:
users = Account.objects.all() # Else get all user list
serializer = AccountSerializer(users,
many=True,
context={'request': request})
return JsonResponse(serializer.data,
safe=False) # Return serialized data
elif request.method == 'POST':
data = JSONParser().parse(
request
) # On POST, parse the request object to obtain the data in json
serializer = AccountSerializer(data=data) # Seraialize the data
if serializer.is_valid():
serializer.save() # Save it if valid
return JsonResponse(serializer.data,
status=201) # Return back the data on success
return JsonResponse(serializer.errors,
status=400) # Return back the errors if not valid
def accounts_delete(request):
"""
Function to manage the deletion of the accounts
"""
# Creating the default value
account = None
# If not declared in settings, configuring a default value
# http://www.django-rest-framework.org/api-guide/exceptions/#exception-handling-in-rest-framework-views
try:
nfe = settings.NON_FIELD_ERRORS_KEY
except AttributeError:
nfe = 'non_field_errors'
# Parsing data from the request and changing the creator field for the user who did the request
data = JSONParser().parse(request)
data['creator'] = request.user.pk
# Check if all the data is valid to be used
serializer = AccountSerializer(data=data)
if serializer.is_valid():
# If valid, try to get the model instance to check if already exists
try:
account = Account.objects.get(id=serializer.validated_data['id'])
# Check if the creator is who did the request
if request.user.pk == account.creator.pk:
account.delete()
return Response({
'status': 'ok',
'message': 'deleted'
})
else:
return Response(
{
'errors': {
nfe: 'No permissions',
}
},
status=status.HTTP_400_BAD_REQUEST,
)
except Account.DoesNotExist:
return Response(
{
'errors': {
nfe: 'Not exists',
}
},
status=status.HTTP_400_BAD_REQUEST,
)
else:
return Response(
{
'errors': {
'data_validation_error': 'Error validating data',
}
},
status=status.HTTP_400_BAD_REQUEST,
)
def put(self, request, pk, format=None):
account = self.get_object(pk)
serializer = AccountSerializer(account, data=request.data)
print "request: ", request.data
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def post(self, request):
if request.user.is_authenticated:
serializer = AccountSerializer(data=request.data)
if serializer.is_valid():
serializer.save(owner=request.user)
return JsonResponse(serializer.data,
status=status.HTTP_201_CREATED)
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
return Response(status=status.HTTP_401_UNAUTHORIZED)
def post(request):
account = Account.get_by_pk(request.user.username)
if account is None:
return Response({'detail': 'account is not found'},
status=status.HTTP_404_NOT_FOUND)
serializer = AccountSerializer(instance=account, data=request.data)
if serializer.is_valid():
serializer.save()
return Response({'detail': 'account has been edited'},
status=status.HTTP_201_CREATED)
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def post(self, request):
data = request.data.copy()
data['password'] = gen_password(len_to=10)
serializer = AccountSerializer(data=data)
if serializer.is_valid():
serializer.save()
threading.Thread(target=self._send_credentials,
kwargs=data).start()
return Response({'detail': 'account has been created'},
status=status.HTTP_201_CREATED)
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def add(request):
data = AccountSerializer(data=request.data)
if not data.is_valid():
return Response({
'status': 400,
'result': False
},
status=resp_status.HTTP_404_NOT_FOUND)
uuid = data.validated_data['uuid']
value = data.validated_data['value']
try:
model = Account.objects.get(pk=uuid)
except ObjectDoesNotExist:
return Response({
'status': 400,
'result': False
},
status=resp_status.HTTP_404_NOT_FOUND)
if not model.status:
return Response(
{
'status': 405,
'result': False,
'addition': {
'uuid': model.uuid,
'name': model.name,
'balance': model.balance,
'status': model.status
},
'description': {
'status': 'Счет закрыт'
}
},
status=resp_status.HTTP_405_METHOD_NOT_ALLOWED)
model.balance += value
model.save()
return Response(
{
'status': 200,
'result': True,
'addition': {
'uuid': model.uuid,
'name': model.name,
'balance': model.balance,
'status': model.status
},
'description': {
'status': 'Счет пополнен'
}
},
status=resp_status.HTTP_200_OK)
def post(request):
email = request.data.get('email')
if email is None:
return Response({'detail': 'email was not provided'},
status=status.HTTP_400_BAD_REQUEST)
account = Account.objects.filter(email=email).first()
if account is None:
return Response({'detail': 'account is not found'},
status=status.HTTP_404_NOT_FOUND)
if 'confirmation_code' not in request.data:
return Response({'detail': 'missing verification code'},
status=status.HTTP_400_BAD_REQUEST)
session = SessionStore(session_key=account.session_key)
if request.data.get('confirmation_code', '-1') == session['v_code']:
new_password = request.data.get('new_password', None)
new_password_confirm = request.data.get('new_password_confirm',
None)
if new_password is None or new_password_confirm is None:
return Response(
{'detail': 'missing new password or its confirmation'},
status=status.HTTP_400_BAD_REQUEST)
if new_password != new_password_confirm:
return Response({'detail': 'password confirmation failed'},
status=status.HTTP_400_BAD_REQUEST)
data = request.data.copy()
data['username'] = account.username
data['password'] = new_password
serializer = AccountSerializer(instance=account, data=data)
if serializer.is_valid():
serializer.save()
session.delete()
account.session_key = None
account.save()
try:
request.user.auth_token.delete()
except (AttributeError, ObjectDoesNotExist):
pass
logout(request)
return Response({'detail': 'password has been changed'},
status=status.HTTP_201_CREATED)
else:
return Response(serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
else:
return Response({'detail': 'verification code is incorrect'},
status=status.HTTP_400_BAD_REQUEST)
def stopVNF(self, vnfInstance, jsonStatus, new_status):
vnfquery = Account.objects.filter(productType=settings.VNF, instanceId=vnfInstance)
vnf = vnfquery[0]
vnfSerializer = AccountSerializer(vnf, many=False, data=json.loads(jsonStatus))
if vnfSerializer.is_valid():
#print "VNF2: ", json.dumps(vnfserializer.data)
vnfSerializer.save()
#Send the message to the billing module
send_msg(json.dumps(vnfSerializer.data))
#start/stop the SLA enforcement accordingly
if (new_status == settings.STATUS_RUNNING):
self.startEnforcement(vnf.agreementId)
if (new_status == settings.STATUS_STOPPED):
self.stopEnforcement(vnf.agreementId)
def account_list(request):
if request.method == 'GET':
account = Account.objects.all()
account_serializer = AccountSerializer(account, many=True)
return JSONResponse(account_serializer.data)
elif request.method == 'POST':
account_data = JSONParser().parse(request)
account_serializer = AccountSerializer(data=account_data)
if account_serializer.is_valid():
account_serializer.save()
return JSONResponse(account_serializer.data,
status=status.HTTP_201_CREATED)
return JSONResponse(account_serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
def accounts_add(request):
"""
Function to manage the addition of new accounts
"""
# Creating the default value
response = {}
# If not declared in settings, configuring a default value
# http://www.django-rest-framework.org/api-guide/exceptions/#exception-handling-in-rest-framework-views
try:
nfe = settings.NON_FIELD_ERRORS_KEY
except AttributeError:
nfe = 'non_field_errors'
# Parsing data from the request and changing the creator field for the user who did the request
data = JSONParser().parse(request)
data['creator'] = request.user.pk
# Check if all the data is valid to be used
serializer = AccountSerializer(data=data)
if serializer.is_valid():
# If valid, create it and notify
try:
Account.objects.get(iban=serializer.validated_data['iban'])
response = {
'errors': {
nfe: 'iban already exists',
}
}
return Response(response, status=status.HTTP_400_BAD_REQUEST)
except Account.DoesNotExist:
serializer.create(serializer.validated_data)
response = {
'status': 'ok',
'message': 'created'
}
return Response(response, status=status.HTTP_201_CREATED)
else:
# If not valid, raise an error for data_validation
response = {
{'errors': {'data_validation_error': 'Error validating data'}}
}
return Response(response, status=status.HTTP_400_BAD_REQUEST)
def registration_admin_view(request):
if request.method == 'POST':
data = {}
email = request.data.get('email', '0').lower()
if validate_email(email) != None:
data['error_message'] = 'That email is already in use.'
data['response'] = 'Error'
return Response(data)
serializer = AccountSerializer(data=request.data)
if serializer.is_valid():
account = serializer.save()
data['response'] = 'successfully registered new user.'
data['email'] = account.email
data['pk'] = account.pk
token = Token.objects.get(user=account).key
data['token'] = token
else:
data = serializer.errors
return Response(data)
def post(self, request, format=None):
serializer = AccountSerializer(data=request.data)
if serializer.is_valid():
try:
if Account.objects.filter(
productType=request.data['productType'],
instanceId=request.data['instanceId']):
print(
" [ERROR] There is an entry already with that InstanceId (%s) for the same ProductType (%s)"
% (request.data['instanceId'],
request.data['productType']))
return Response(status=status.HTTP_400_BAD_REQUEST)
serializer.save()
#create the SLA agreements in the SLA module based on the already created templates
#templateId = request.data['productType']+request.data['productId']+request.data['flavour']
templateId = request.data[
'productType'] + "@" + settings.DOMAIN_ID + "*" + request.data[
'productId'] + request.data['flavour']
createAgreement(templateId, request.data['clientId'],
request.data['agreementId'])
#start the Agreement enforcement
f = restclient.Factory(settings.SLA_URL)
a_enforcement = f.enforcements()
a_enforcement.start(request.data['agreementId'])
#triggers IMoS monitoring sending the NS instance ID
if (request.data['agreementId'].startswith('ns')):
print(" [INFO] Contacting IMoS with url: %s" %
(settings.IMOS_URL + request.data['instanceId']))
requests.put(str(settings.IMOS_URL) +
str(request.data['instanceId']),
data=None)
#Virtual Links agreements:
except Exception as e:
print "DEBUG: ", e
return Response(status=status.HTTP_400_BAD_REQUEST)
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
def account_detail(request, pk):
try:
account = Account.objects.get(pk=pk)
except Account.DoesNotExist:
return HttpResponse(status=status.HTTP_400_BAD_REQUEST)
if request.method == 'GET':
account_serializer = AccountSerializer(account)
return JSONResponse(account_serializer.data)
elif request.method == 'PUT':
account_data = JSONParser().parse(request)
account_serializer = AccountSerializer(account, data=account_data)
if account_serializer.is_valid():
account_serializer.save()
return JSONResponse(account_serializer.data)
return JSONResponse(account_serializer.errors,
status=status.HTTP_400_BAD_REQUEST)
elif request.method == 'DELETE':
account.delete()
return HttpResponse(status=status.HTTP_204_NO_CONTENT)
def get(self, request, vnf_instance, new_status, format=None):
queryset = Account.objects.filter(productType=settings.VNF, instanceId=vnf_instance)
if queryset.exists():
jsonStatus='{"status":"' + new_status + '"}'
for account in queryset:
serializer = AccountSerializer(account, data=json.loads(jsonStatus))
try:
if serializer.is_valid():
#saves the new status
serializer.save()
print "status changed "
#prepares and sends the message to the queue
message = {}
message['instanceId'] = vnf_instance
message['event'] = new_status
#send_msg(str(message))
send_msg(json.dumps(serializer.data))
return Response(serializer.data, status=status.HTTP_201_CREATED)
except ReferenceError:
print " [ERROR] Could not update the messages queue"
return Response(status=status.HTTP_408_REQUEST_TIMEOUT)
except Exception:
return Response(status=status.HTTP_400_BAD_REQUEST)
return Response(queryset, status=status.HTTP_404_NOT_FOUND)
def substract(request):
data = AccountSerializer(data=request.data)
if not data.is_valid():
return Response({
'status': 400,
'result': False
},
status=resp_status.HTTP_404_NOT_FOUND)
uuid = data.validated_data['uuid']
value = data.validated_data['value']
try:
model = Account.objects.get(pk=uuid)
except ObjectDoesNotExist:
return Response({
'status': 400,
'result': False
},
status=resp_status.HTTP_404_NOT_FOUND)
if not model.status:
return Response(
{
'status': 405,
'result': False,
'addition': {
'uuid': model.uuid,
'name': model.name,
'balance': model.balance,
'status': model.status
},
'description': {
'status': 'Счет закрыт'
}
},
status=resp_status.HTTP_405_METHOD_NOT_ALLOWED)
result = model.balance - model.hold - value
is_possible = True if result >= 0 else False
if not is_possible:
return Response(
{
'status': 405,
'result': False,
'addition': {
'uuid': model.uuid,
'name': model.name,
'balance': model.balance,
'status': model.status
},
'description': {
'status': 'Недостаточно средств'
}
},
status=resp_status.HTTP_405_METHOD_NOT_ALLOWED)
model.balance = result
model.save()
return Response(
{
'status': 200,
'result': True,
'addition': {
'uuid': model.uuid,
'name': model.name,
'balance': model.balance,
'status': model.status
},
'description': {
'status': 'Списание произведено'
}
},
status=resp_status.HTTP_200_OK)
