Compare network instead of raw string

Author: Blueve

src/sonic-config-engine/minigraph.py

@@ -1852,15 +1852,17 @@ def parse_device_desc_xml(filename):
         results['LOOPBACK_INTERFACE'] = {('lo_v6', lo_prefix_v6): {}}
 
     results['MGMT_INTERFACE'] = {}
-    if mgmt_prefix and mgmt_prefix != '0.0.0.0/0':
+    if mgmt_prefix:
         mgmtipn = ipaddress.ip_network(UNICODE_TYPE(mgmt_prefix), False)
-        gwaddr = ipaddress.ip_address((next(mgmtipn.hosts())))
-        results['MGMT_INTERFACE'].update({('eth0', mgmt_prefix): {'gwaddr': gwaddr}})
+        if mgmtipn != ipaddress.ip_network(u'0.0.0.0/0', False):
+            gwaddr = ipaddress.ip_address((next(mgmtipn.hosts())))
+            results['MGMT_INTERFACE'].update({('eth0', mgmt_prefix): {'gwaddr': gwaddr}})
 
-    if mgmt_prefix_v6 and mgmt_prefix_v6 != '::/0':
+    if mgmt_prefix_v6:
         mgmtipn_v6 = ipaddress.ip_network(UNICODE_TYPE(mgmt_prefix_v6), False)
-        gwaddr_v6 = ipaddress.ip_address((next(mgmtipn_v6.hosts())))
-        results['MGMT_INTERFACE'].update({('eth0', mgmt_prefix_v6): {'gwaddr': gwaddr_v6}})
+        if mgmtipn != ipaddress.ip_network(u'::/0', False):
+            gwaddr_v6 = ipaddress.ip_address((next(mgmtipn_v6.hosts())))
+            results['MGMT_INTERFACE'].update({('eth0', mgmt_prefix_v6): {'gwaddr': gwaddr_v6}})
 
     return results