Date: Thu, 11 Apr 2013 20:48:07 +0200 From: Dirk Engling <erdgeist@erdgeist.org> To: freebsd-jail@freebsd.org Subject: jail(8) vs. rc.d/jail features - fstab, zfs, vnet Message-ID: <51670567.5070602@erdgeist.org>
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Dear jail hackers, in my ongoing quest to understand the direction jail development is heading, I noticed that per-jail-fstabs are not (anymore?, yet?) supported by the new jail(8)-rc.d/jail2-combo. Are there official plans to drop the support? A nice new jail+zfs feature is the "zfs jail" command, allowing to attach a zfs to a jail. The way[tm] to properly use this feature is to first create a prison, attach the zfs file system(s) to the jid and only then run the exec.start command. So either jail(8) needs to be zfs aware and execute the zfs jail command(s) by itself, or a exec.postprestart command that is being passed the prison id of the new jail needs to be run in system context. (For shutting down and unjail-ing vice versa). The same goes with the vimage features. Most of the ways I can think of using vnet interfaces require some configuration in the host system after the vnet has been attached to the jid but before exec.start (and thus the jail's rc.d/netif) is executed. Since I speak C, posix and sh fluidly, I am willing to implement or help implementing any of the proposals in question, so do not misunderstand them as just demands ;) erdgeist
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