fixed authentication issue

cmd/gnmi/gnmi.go

@@ -32,7 +32,7 @@ func main() {
 		Addr:     "portainer.danet.fbi.h-da.de:6030",
 		Username: "admin",
 		Password: "arista",
-		Encoding: gpb.Encoding_PROTO,
+		Encoding: gpb.Encoding_JSON_IETF,
 	}
 	transport.SetConfig(cfg)
 

nucleus/gnmi_transport.go

@@ -141,6 +141,7 @@ func (g *Gnmi) getWithRequest(ctx context.Context, req *gpb.GetRequest) (interfa
 // Set calls GNMI set
 func (g *Gnmi) set(ctx context.Context, setOps []*gnmi.Operation,
 	exts ...*gnmi_ext.Extension) error {
+	ctx = gnmi.NewContext(ctx, g.config)
 	client, err := gnmi.Dial(g.config)
 	if err != nil {
 		return err
@@ -150,6 +151,7 @@ func (g *Gnmi) set(ctx context.Context, setOps []*gnmi.Operation,
 
 // Subscribe calls GNMI subscribe
 func (g *Gnmi) subscribe(ctx context.Context) error {
+	ctx = gnmi.NewContext(ctx, g.config)
 	client, err := gnmi.Dial(g.config)
 	if err != nil {
 		return err