newcfg function call

main.go

@@ -18,6 +18,8 @@ type server struct {
 }
 
 func (s *server) Ping(ctx context.Context, req *pb.PingRequest) (*pb.PingResponse, error) {
+	key, _ := wgtypes.GeneratePrivateKey()
+	newcfg(s.wgClient, key.PublicKey())
 	return &pb.PingResponse{Reply: "Pong: " + req.Message}, nil
 }
 
@@ -41,17 +43,13 @@ func main() {
 
 }
 
-func newcfg(client *wgctrl.Client, pubkey string) {
-	peerPubKey, err := wgtypes.ParseKey(pubkey)
-	if err != nil {
-		log.Fatalf("invalid peer public key: %v", err)
-	}
+func newcfg(client *wgctrl.Client, pubkey wgtypes.Key) {
 
 	allowedIP1 := net.IPNet{IP: net.ParseIP("10.0.0.3"), Mask: net.CIDRMask(32, 32)}
 	persistentKeepalive := 25 * time.Second
 
 	peerCfg := wgtypes.PeerConfig{
-		PublicKey:                   peerPubKey,
+		PublicKey:                   pubkey,
 		AllowedIPs:                  []net.IPNet{allowedIP1},
 		PersistentKeepaliveInterval: &persistentKeepalive,
 	}