[#324] Drop default container name

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

authmate/authmate.go

@@ -110,12 +110,19 @@ func (a *Agent) checkContainer(ctx context.Context, cid *cid.ID, friendlyName st
 		return nil, fmt.Errorf("failed to build placement policy: %w", err)
 	}
 
-	cnr := container.New(
+	cnrOptions := []container.Option{
 		container.WithPolicy(pp),
 		container.WithCustomBasicACL(defaultAuthContainerBasicACL),
-		container.WithAttribute(container.AttributeName, friendlyName),
-		container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(time.Now().Unix(), 10)))
-	container.SetNativeName(cnr, friendlyName)
+		container.WithAttribute(container.AttributeTimestamp, strconv.FormatInt(time.Now().Unix(), 10)),
+	}
+	if friendlyName != "" {
+		cnrOptions = append(cnrOptions, container.WithAttribute(container.AttributeName, friendlyName))
+	}
+
+	cnr := container.New(cnrOptions...)
+	if friendlyName != "" {
+		container.SetNativeName(cnr, friendlyName)
+	}
 
 	cid, err = a.pool.PutContainer(ctx, cnr)
 	if err != nil {

cmd/authmate/main.go

@@ -197,7 +197,6 @@ func issueSecret() *cli.Command {
 				Usage:       "friendly name of auth container to put the secret into",
 				Required:    false,
 				Destination: &containerFriendlyName,
-				Value:       "auth-container",
 			},
 			&cli.BoolFlag{
 				Name:        "create-session-token",