add new /sizes endpoint

uncloud_net/selectors.py

@@ -1,12 +1,7 @@
 from django.db import transaction
 from django.db.models import Count, F
-
-
 from .models import *
 
-# def get_num_used_networks(pool):
-#     return pool.wireguardvpn_set.count()
-
 def get_suitable_pools(subnetwork_mask):
     """
     Find suitable pools for a certain network size.
@@ -44,17 +39,5 @@ def allowed_vpn_network_reservation_size():
 
     # Need to return set of tuples, see
     # https://docs.djangoproject.com/en/3.1/ref/models/fields/#field-choices
-    return set([ (pool.subnetwork_mask, pool.subnetwork_mask) for pool in pools ])
-
-
-#def get_next_vpnnetwork(pool):
-    # get all associated networks
-    # look for the lowest free number
-    # return that
-
-
-    # select last used one
-    # try to increment by one -> get new network
-
-    # if that fails search through the existing vpns for the first unused number
-    #
+#    return set([ (pool.subnetwork_mask, pool.subnetwork_mask) for pool in pools ])
+    return set([pool.subnetwork_mask  for pool in pools ])