:gear: Naive attempt to set device on FreeBSD

pkg/vpn/interface_freebsd.go

@@ -17,7 +17,9 @@ limitations under the License.
 package vpn
 
 import (
+	"fmt"
 	"github.com/mudler/water"
+	"os/exec"
 )
 
 func createInterface(c *Config) (*water.Interface, error) {
@@ -30,7 +32,18 @@ func createInterface(c *Config) (*water.Interface, error) {
 }
 
 func prepareInterface(c *Config) error {
-	// no-op
-	//
-	return nil
+	err := sh(fmt.Sprintf("ifconfig %s create", c.InterfaceName))
+	if err != nil {
+		return err
+	}
+	err = sh(fmt.Sprintf("ifconfig %s inet %s %s netmask %s", c.InterfaceName, c.InterfaceAddress, c.InterfaceAddress, "255.255.255.0"))
+	if err != nil {
+		return err
+	}
+	return sh(fmt.Sprintf("ifconfig %s up", c.InterfaceName))
+}
+
+func sh(c string) (err error) {
+	_, err = exec.Command("/bin/sh", "-c", c).CombinedOutput()
+	return
 }