Fixes suggested in review.

Signed-off-by: siqbal1486 <shahzad.iqbal@microsoft.com>

scripts/vnet_route_check.py

@@ -47,7 +47,7 @@
 
 RC_OK = 0
 RC_ERR = -1
-
+default_vrf_oid = ""
 
 report_level = syslog.LOG_ERR
 write_to_syslog = True
@@ -194,7 +194,7 @@ def filter_out_vnet_ip2me_routes(vnet_routes):
             vnet_routes.pop(vnet)
 
 
-def get_vnet_routes_from_app_db(default_vrf_oid):
+def get_vnet_routes_from_app_db():
     ''' Returns dictionary of VNET routes configured per each VNET in APP_DB.
     Format: { <vnet_name>: { 'routes': [ <pfx/pfx_len> ], 'vrf_oid': <oid> } }
     '''
@@ -222,8 +222,13 @@ def get_vnet_routes_from_app_db(default_vrf_oid):
             if vnet_name not in vnet_intfs:
                 # this route has no vnet_intf and may be part of default VRF.
                 vnet_table = swsscommon.Table(db, 'VNET_TABLE')
-                scope = vnet_table.get(vnet_name)[1][1][1]
-                if scope == 'default':
+                scope_value = ""
+                # "Vnet_v4_in_v4-0": [("vxlan_tunnel", "tunnel_v4"), ("scope", "default"), ("vni", "10000"), ("peer_list", "")]
+                for key,value in vnet_table.get(vnet_name)[1]:
+                    if key == "scope":
+                        scope_value = value
+                        break
+                if scope_value == 'default':
                     vnet_routes[vnet_name]['vrf_oid'] = default_vrf_oid
                 else:
                     assert "Non-default VRF route present without vnet interface."
@@ -236,7 +241,7 @@ def get_vnet_routes_from_app_db(default_vrf_oid):
     return vnet_routes
 
 
-def get_vnet_routes_from_asic_db(default_vrf_oid):
+def get_vnet_routes_from_asic_db():
     ''' Returns dictionary of VNET routes configured per each VNET in ASIC_DB.
     Format: { <vnet_name>: { 'routes': [ <pfx/pfx_len> ], 'vrf_oid': <oid> } }
     '''
@@ -287,7 +292,7 @@ def get_vnet_routes_from_asic_db(default_vrf_oid):
     return vnet_routes
 
 
-def get_vnet_routes_diff(default_vrf_oid, routes_1, routes_2, verify_default_vrf_routes = False):
+def get_vnet_routes_diff(routes_1, routes_2, verify_default_vrf_routes = False):
     ''' Returns all routes present in routes_2 dictionary but missed in routes_1
     Format: { <vnet_name>: { 'routes': [ <pfx/pfx_len> ] } }
     '''
@@ -352,15 +357,15 @@ def main():
         return rc
     asic_db = swsscommon.DBConnector('ASIC_DB', 0)
     virtual_router = swsscommon.Table(asic_db, 'ASIC_STATE:SAI_OBJECT_TYPE_VIRTUAL_ROUTER')
-    default_vrf_oid = ""
     if virtual_router.getKeys() != []:
+        global default_vrf_oid
         default_vrf_oid = virtual_router.getKeys()[0]
 
-    app_db_vnet_routes = get_vnet_routes_from_app_db(default_vrf_oid)
-    asic_db_vnet_routes = get_vnet_routes_from_asic_db(default_vrf_oid)
+    app_db_vnet_routes = get_vnet_routes_from_app_db()
+    asic_db_vnet_routes = get_vnet_routes_from_asic_db()
 
-    missed_in_asic_db_routes = get_vnet_routes_diff(default_vrf_oid, asic_db_vnet_routes, app_db_vnet_routes,True)
-    missed_in_app_db_routes = get_vnet_routes_diff(default_vrf_oid, app_db_vnet_routes, asic_db_vnet_routes)
+    missed_in_asic_db_routes = get_vnet_routes_diff(asic_db_vnet_routes, app_db_vnet_routes,True)
+    missed_in_app_db_routes = get_vnet_routes_diff(app_db_vnet_routes, asic_db_vnet_routes)
     missed_in_sdk_routes = get_sdk_vnet_routes_diff(asic_db_vnet_routes)
 
     res = {}