[vpn] fix urls

uncloud_django_based/uncloud/uncloud_net/models.py

@@ -6,31 +6,33 @@ from django.core.validators import MinValueValidator, MaxValueValidator
 from uncloud_pay.models import Product, RecurringPeriod
 from uncloud.models import UncloudModel, UncloudStatus
 
+
+class MACAdress(models.Model):
+    default_prefix = 0x420000000000
+
 class VPNPool(UncloudModel):
     """
     Network address pools from which VPNs can be created
     """
 
-    network = models.GenericIPAddressField(primary_key=True,
-                                           editable=False)
+    network = models.GenericIPAddressField(primary_key=True)
 
     network_size = models.IntegerField(validators=[MinValueValidator(0),
                                                    MaxValueValidator(128)])
 
-class VPNNetwork(UncloudModel):
+    vpn_hostname = models.CharField(max_length=256)
+
+    wireguard_private_key = models.CharField(max_length=48)
+
+
+class VPNNetwork(Product):
     """
     A selected network. Used for tracking reservations / used networks
     """
     vpnpool = models.ForeignKey(VPNPool,
                                   on_delete=models.CASCADE)
 
-    network = models.GenericIPAddressField(primary_key=True,
-                                           editable=False)
+    network = models.GenericIPAddressField(editable=False,
+                                           unique=True)
 
-class VPNProduct(Product):
-    network = models.ForeignKey(VPNPool,
-                                on_delete=models.CASCADE)
-
-
-class MACAdress(models.Model):
-    default_prefix = 0x420000000000
+    wireguard_public_key = models.CharField(max_length=48)