Varnish quick update

If any changes have been made, e.g. new domains, changed aliases, or using SSL for certain domain, you might be looking for a way to quickly update Varnish to make those changes effective.

With the following command, everything will be done within seconds:

1	`ascr varnish-config`

or

1	`ascr role varnish --limit=varnishserver --tags=Config`

You probably also want to look into Quick Update of HaProxy.