[Maas-devel] Clock skew and OAuth

Jeroen Vermeulen jtv at canonical.com
Wed Jun 27 03:14:26 UTC 2012


On 2012-06-27 07:59, Julian Edwards wrote:
> https://bugs.launchpad.net/maas/+bug/978127
>
> Scott, is there a quick backportable fix that we can do for this?  Perhaps
> send the MAAS server's time at boot somehow, before trying to access the
> metadata service (via user data?) and then have cloud-init set the clock?
>
> It's causing a lot of pain for quite a few people.

Would it be possible to make maas depend on an ntp server, have the dhcp 
config refer the nodes to it, and install & run ntpdate on the node 
early on?

It's a few extra moving parts but it avoids issues like ntp servers that 
might be out of the nodes' reach, or re-inventing the protocol.  On the 
downside, I have no idea how hard it might be to install ntpdate on a 
node in this state.


Jeroen




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