[Bug 1382190] Re: LXCs assigned IPs by MAAS DHCP lack DNS PTR entries
Julian Edwards
1382190 at bugs.launchpad.net
Thu Oct 23 22:13:07 UTC 2014
On Thursday 23 Oct 2014 15:40:51 you wrote:
> Andres and I have discussed this further, and he pointed out that the
> LXCs can take a *long* time to start. That would be sufficient time for
> us to parse the leases file and update the DNS with a PTR for the new
> node (option #3).
>
> I've tested this out locally. The LXC container took ~30minutes to start
> from `juju deploy mysql --to lxc:0`, and it acquired an IP address ~5
> minutes before the juju agent showed as started. It was another 5
> minutes until the mysql unit showed as started.
I bet it was quicker for the next one, right? The first one that is done ends
up downloading the lxc images.
> This is more than enough time for us to create DNS entries for the
> container, with a hostname either based on its IP address (e.g. maas-
> dynamic-1.maas) or based on the client-hostname field in the lease (e.g.
> juju-machine-0-lxc-0-dynamic.maas). The second is more meaningful, but
> it's also more code.
>
> Andres and I agreed that this was a better solution than #2 above.
Assuming that the juju seeding part is taking up all the time after the LXC
comes up, this is indeed a better solution.
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https://bugs.launchpad.net/bugs/1382190
Title:
LXCs assigned IPs by MAAS DHCP lack DNS PTR entries
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