String version = this.getClass().getName() + "-" + ( packageVersion == null ? Long.toString(System.currentTimeMillis()) : packageVersion );
try {
Host host = Host.getByUuid(conn, _host.uuid);
/* enable host in case it is disabled somehow */
host.enable(conn);
/* push patches to XenServer */
Host.Record hr = host.getRecord(conn);
Iterator<String> it = hr.tags.iterator();