Merge pull request #597 from WeiZhang555/cni-network-support-up

Enhance network functions

Author: gao-feng

api/descriptions.pb.go

@@ -2,6 +2,9 @@ syntax = "proto3";
 
 package api;
 
+// To generate description.pb.go, run:
+// $ protoc --go_out=plugins=grpc:. descriptions.proto
+
 message SandboxConfig {
     string hostname = 1;
     repeated string dns = 2;
@@ -52,13 +55,15 @@ message VolumeDescription {
 
 message InterfaceDescription {
     string id = 1;
-    bool lo = 2;
-    string bridge = 3;
-    string ip = 4;
-    string mac = 5;
-    string gw = 6;
-    string tapName = 7;
-    string options = 8;
+    string name = 2;
+    bool lo = 3;
+    string bridge = 4;
+    string ip = 5;
+    string mac = 6;
+    uint64 mtu = 7;
+    string gw = 8;
+    string tapName = 9;
+    string options = 10;
 }
 
 message PortDescription {

api/descriptions.proto

@@ -148,7 +148,7 @@ func createContainer(options runvOptions, vm *hypervisor.Vm, container, bundle,
 	}
 
 	// If runv is launched via docker/containerd, we start netlistener to watch/collect network changes.
-	// TODO: if runv is launched by cni compatible tools, the cni script can use `runv cni` cmdline to update the network.
+	// TODO: if runv is launched by cni compatible tools, the cni script can use `runv interface` cmdline to update the network.
 	// Create the listener process which will enters into the netns of the shim
 	options.withContainer = state
 	if err = startNsListener(options, vm); err != nil {