added fwmark

netclient/functions/join.go

@@ -6,7 +6,9 @@ import (
 	"errors"
 	"fmt"
 	"log"
+	"math/rand"
 	"os/exec"
+	"time"
 
 	nodepb "github.com/gravitl/netmaker/grpc"
 	"github.com/gravitl/netmaker/models"
@@ -34,6 +36,13 @@ func JoinNetwork(cfg config.ClientConfig, privateKey string) error {
 			err := errors.New("ALREADY_INSTALLED. Netclient appears to already be installed for " + cfg.Network + ". To re-install, please remove by executing 'sudo netclient leave -n " + cfg.Network + "'. Then re-run the install command.")
 			return err
 		}
+		if cfg.FWMark == 0 {
+			rand.Seed(time.Now().UnixNano())
+			var min int32 = 1000
+			var max int32 = 9999
+			cfg.FWMark = rand.Int31n(max-min) + min
+		}
+
 		err = config.Write(&cfg, cfg.Network)
 		if err != nil {
 			return err