RFC: new rc.d/jail changes (templating fstab entries and rootdir)

[Dirk Engling]

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Florent Thoumie wrote:

> Ping?

I don't like the way all this goes. The problem (still) is, that there
is no good abstraction for a jail, hence it is hard to group jails
together which would be the right way to 'templatize' common actions.

Mount stuff belongs to /etc/fstab.jailname, period. It does not (or
rarely) change, so there is really no need to do run time calculations
and even put variable names into your rc.conf (which seems a bad idea in
itself).

If you have a proper abstraction and can group jails, editing those
fstabs via a configuration utility should be simple.

My mail with the proposed patch to start abstracting jails in /etc/jails
has been ignored on the list, maybe this is the right time to bring it
up again:

http://erdgeist.org/arts/software/jail/jail.1.34.diff

with that patch it is possible to have an alternative location for your
jail configs without the need to configure the jail list manually in
rc.conf. Those per-jail config files can be read, altered and deleted by
very simple means. They could serve as a convenient starting point to
templatize at creation time, not run time.

Any comments, criticism?

Regards

  erdgeist
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