added interfaces to peer-info result

inventory_provider/routes/classifier.py

@@ -75,6 +75,24 @@ def ix_peering_group(ix_public_peer_info):
             yield peer['name']
 
 
+def find_interfaces(address_string):
+    """
+    TODO: this is probably the least efficient way of doing this
+          (if it's a problem, pre-compute these lists)
+
+    :param address: string representation of an address
+    :return:
+    """
+    address = ipaddress.ip_address(address_string)
+    r = common.get_redis()
+    for k in r.keys('reverse_interface_addresses:*'):
+        info = r.get(k.decode('utf-8')).decode('utf-8')
+        info = json.loads(info)
+        interface = ipaddress.ip_interface(info['interface address'])
+        if address in interface.network:
+            yield info
+
+
 @routes.route("/peer-info/<address>", methods=['GET', 'POST'])
 @common.require_accepts_json
 def peer_info(address):
@@ -96,6 +114,10 @@ def peer_info(address):
         info = info.decode('utf-8')
         result['vpn-rr-peer-info'] = json.loads(info)
 
+    interfaces = list(find_interfaces(address))
+    if interfaces:
+        result['interfaces'] = interfaces
+
     if not result:
         return Response(
             response='no peering info found for %s' % address,