phase in vpn

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>

uncloud_django_based/uncloud/uncloud_net/serializers.py

@@ -0,0 +1,13 @@
+from django.contrib.auth import get_user_model
+from rest_framework import serializers
+
+from .models import *
+
+class VPNProductSerializer(serializers.ModelSerializer):
+
+    network_size = serializers.IntegerField(min_value=0,
+                                            max_value=128)
+
+    class Meta:
+        model = VPNProduct
+        fields = '__all__'