Fix job encode decode

scheduler/runner.go

@@ -5,3 +5,23 @@ type Runner int
 const (
 	Bash Runner = iota + 1
 )
+
+func (r Runner) String() string {
+	switch r {
+	case Bash:
+		return "bash"
+	default:
+		return ""
+	}
+}
+
+func NewRunner(s string) Runner {
+	for _, r := range []Runner{
+		Bash,
+	} {
+		if r.String() == s {
+			return r
+		}
+	}
+	return 0
+}