On Sun, 20 Dec 2015, dweimer wrote:
On 2015-12-20 1:25 pm, Michael B. Eichorn wrote:
On Sun, 2015-12-20 at 17:50 +0100, Michael Grimm wrote:
Hi —
[Background: I wish to run (some of my) ezjail-made jails and VNET
which cannot be done by ezjail, natively.]
But I found a way to mix both ezjail and basic jail(8) functionality.
It's quite easy to fire up ezjail-made jails defined in jail.conf by
jail. And, now I can apply VNET to those jails I do wish to run their
own network stacks. That's all working well.
But I am bit stuck in finding a way to start my jails in a pre-
defined order (e.g. first DNS, then mail, …). Well, I can achieve
that during boot time by using jail_list="dns mail …" in rc.conf.
But, this is respected during boot time, *only*. Whenever I do run a
"jail -rc '*'" that shutdown and starting order becomes arbitrary. It
doesn't follow the sequence of my jail definitions in jail.conf,
either. I thoroughly checked the jail.conf(5) man page for a
functionality that would allow me to define a startup/shutdown
sequence, but I couldn't find it.
Thus, I might have overlooked it, is there a way to achieve my goal
using jail and jail.conf?
Or something else?
Thanks and regards,
Michael
jail(8)'s '*' operates on everything without concern for rc.conf, as
such jail_list is not respected. Perhaps try something tied to the rc.d
system. Does `service jail restart` do what you are looking for?
Otherwise I would just go with simple restart script such as:
#!/bin/sh
set -e
jail -r '*'
jail -c dns
jail -c mail
You can also define a jail dependency to make sure a jail starts before
another one
dns {
...
}
mail {
...
depend = "dns"
}
I submitted an ezjail patch last year to be able to start a jail very
early. This is useful for me because that lets the DNS jail start early
enough that the ezjail host can use it as a DNS server.
An update to ezjail came out a few weeks back, but did not include it.
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