duration flags are now duration from program start

main.go

@@ -31,6 +31,9 @@ var threadCount = flag.Int("threads", 1024, "how many objects to operate on at a
 func main() {
 	flag.Parse()
 
+	updateExpiry := time.Now().Add(time.Second * time.Duration(*updateExpiresWithin))
+	lockExpiry := time.Now().Add(time.Second * time.Duration(*lockFor))
+
 	options := []func(*config.LoadOptions) error{}
 
 	if *region != "" {
@@ -70,7 +73,7 @@ func main() {
 		wg.Add(1)
 		go func() {
 			defer wg.Done()
-			queueWorker(svc, objectQueue)
+			queueWorker(svc, updateExpiry, lockExpiry, objectQueue)
 		}()
 	}
 
@@ -89,17 +92,17 @@ func main() {
 	wg.Wait()
 }
 
-func queueWorker(svc *s3.Client, inQueue chan string) {
+func queueWorker(svc *s3.Client, updateExpiry, lockExpiry time.Time, inQueue chan string) {
 	for {
 		object, more := <-inQueue
 		if !more {
 			return
 		}
-		checkAndRenewObjectLock(svc, object)
+		checkAndRenewObjectLock(svc, updateExpiry, lockExpiry, object)
 	}
 }
 
-func checkAndRenewObjectLock(svc *s3.Client, object string) {
+func checkAndRenewObjectLock(svc *s3.Client, updateExpiry, lockExpiry time.Time, object string) {
 	updateHold := false
 	if *updateExpiresWithin == 0 {
 		updateHold = true
@@ -108,9 +111,7 @@ func checkAndRenewObjectLock(svc *s3.Client, object string) {
 			Bucket: bucket,
 			Key:    &object,
 		})
-		if retention == nil {
-			updateHold = true
-		} else if retention.Retention.RetainUntilDate.Before(time.Now().Add(time.Second * time.Duration(*updateExpiresWithin))) {
+		if retention == nil || retention.Retention.RetainUntilDate.Before(updateExpiry) {
 			updateHold = true
 		}
 	}
@@ -121,11 +122,13 @@ func checkAndRenewObjectLock(svc *s3.Client, object string) {
 			Bucket: bucket,
 			Key:    &object,
 			Retention: &types.ObjectLockRetention{
+				// TODO: add flag for governance mode
 				Mode:            "COMPLIANCE",
-				RetainUntilDate: aws.Time(time.Now().Add(time.Second * time.Duration(*lockFor))),
+				RetainUntilDate: aws.Time(lockExpiry),
 			},
 		})
 		if err != nil {
+			// TODO: handle 403 for when object already has a longer-lasting hold
 			log.Fatalln("Failed to update retention for", object, err)
 		}
 	}