driver(internal): use existing driver.Driver as plugin interface

Signed-off-by: Ansuman Sahoo <[email protected]>

Author: unsuman

pkg/driver/driver.go

@@ -71,6 +71,9 @@ type Driver interface {
 
 	// GuestAgentConn returns the guest agent connection, or nil (if forwarded by ssh).
 	GuestAgentConn(_ context.Context) (net.Conn, error)
+
+	// Returns the driver name.
+	Name() string
 }
 
 type BaseDriver struct {
@@ -152,3 +155,7 @@ func (d *BaseDriver) GuestAgentConn(_ context.Context) (net.Conn, error) {
 	// use the unix socket forwarded by host agent
 	return nil, nil
 }
+
+func (d *BaseDriver) Name() string {
+	return ""
+}