[minor] Action generator sets validfrom time 1 minute in the past when using 'now'

src/mig/clients/generator/generator.go

@@ -96,7 +96,8 @@ func main() {
 
 	// set the dates
 	if *validfrom == "now" {
-		a.ValidFrom = time.Now().UTC()
+		// for immediate execution, set validity one minute in the past
+		a.ValidFrom = time.Now().Add(-60 * time.Second).UTC()
 	} else {
 		a.ValidFrom, err = time.Parse("2014-01-01T00:00:00.0Z", *validfrom)
 		if err != nil {