add default route

Author: paulyufan2

cns/middlewares/k8sSwiftV2.go

@@ -238,9 +238,9 @@ func (k *K8sSWIFTv2Middleware) getIPConfig(ctx context.Context, podInfo cns.PodI
 					return nil, errors.Wrap(err, "failed to parse mtpnc subnetAddressSpace prefix")
 				}
 				podIPInfos = append(podIPInfos, podIPInfo)
-				// for windows scenario, it is required to add default route with gatewayIP from CNS
-				k.addDefaultRoute(&podIPInfo)
-				logger.Printf("default route windows are %v", podIPInfo.Routes)
+				// // for windows scenario, it is required to add default route with gatewayIP from CNS
+				// k.addDefaultRoute(&podIPInfo)
+				// logger.Printf("default route windows are %v", podIPInfo.Routes)
 			}
 		}
 	}
@@ -305,6 +305,7 @@ func (k *K8sSWIFTv2Middleware) SetInfraRoutes(podIPInfo *cns.PodIpInfo) ([]cns.R
 		routes = append(routes, k.addRoutes(podCIDRsV4, "10.229.0.1")...)
 		routes = append(routes, k.addRoutes(serviceCIDRsV4, "10.0.0.1")...)
 		routes = append(routes, k.addRoutes(infraVNETCIDRsv4, "10.225.0.1")...)
+		routes = append(routes, k.addRoutes("0.0.0.0/0", "0.0.0.0")...)
 	} else {
 		routes = append(routes, k.addRoutes(podCIDRv6, overlayGatewayV6)...)
 		routes = append(routes, k.addRoutes(serviceCIDRsV6, overlayGatewayV6)...)

cns/middlewares/k8sSwiftV2_windows.go

@@ -59,10 +59,10 @@ func (k *K8sSWIFTv2Middleware) assignSubnetPrefixLengthFields(podIPInfo *cns.Pod
 }
 
 // add default route with gateway IP to podIPInfo
-func (k *K8sSWIFTv2Middleware) addDefaultRoute(podIPInfo *cns.PodIpInfo) {
-	route := cns.Route{
-		IPAddress:        "0.0.0.0/0",
-		GatewayIPAddress: "10.242.0.2",
-	}
-	podIPInfo.Routes = append(podIPInfo.Routes, route)
-}
+// func (k *K8sSWIFTv2Middleware) addDefaultRoute(podIPInfo *cns.PodIpInfo) {
+// 	route := cns.Route{
+// 		IPAddress:        "0.0.0.0/0",
+// 		GatewayIPAddress: "10.242.0.2",
+// 	}
+// 	podIPInfo.Routes = append(podIPInfo.Routes, route)
+// }