Maint: openvpn configurator interface composition

internal/openvpn/tun.go

@@ -8,6 +8,15 @@ import (
 	"github.com/qdm12/gluetun/internal/unix"
 )
 
+type TUNCheckCreater interface {
+	TUNChecker
+	TUNCreater
+}
+
+type TUNChecker interface {
+	CheckTUN() error
+}
+
 // CheckTUN checks the tunnel device is present and accessible.
 func (c *configurator) CheckTUN() error {
 	c.logger.Info("checking for device " + c.tunDevPath)
@@ -21,6 +30,10 @@ func (c *configurator) CheckTUN() error {
 	return nil
 }
 
+type TUNCreater interface {
+	CreateTUN() error
+}
+
 func (c *configurator) CreateTUN() error {
 	c.logger.Info("creating " + c.tunDevPath)