// arbitrary number of commands in fc within a transaction. On success the changes are committed; if an error occurs
// they are rolled back.
func (db *DB) Transaction(fc func(tx *DB) error, opts ...*sql.TxOptions) (err error) {
	panicked := true

	if committer, ok := db.Statement.ConnPool.(TxCommitter); ok && committer != nil {
		// nested transaction

				if err != nil {
					return fmt.Errorf("failed to check if namespace is labeled ambient: %v", err)
				}
				if !namespaceIsLabeledAmbient {
					fmt.Fprintf(cmd.OutOrStdout(), "Warning: namespace is not enrolled in ambient. Consider running\t"+
						"`"+"kubectl label namespace %s istio.io/dataplane-mode=ambient"+"`\n", ns)
				}
			}
			gw, err := makeGateway(true)
			if err != nil {