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Re: Ubuntu 22.04 - Cloud init and global timeouts


Timeouts that long usually indicate that your instances are misidentifying
a datasource and trying to connect to it. Check the last few lines of
/run/cloud/ds-identify.log and ensure the datasource detected is what
you're expecting. If not, ideally that would be fixed in your image/cloud
setup, but you can also manually specify the datasource(s) to use/detect in
/etc/cloud.cfg or /etc/cloud.cfg.d. For example, to specify using only
Openstack, you could write

datasource_list: [ Openstack ]

to /etc/cloud/cloud.cfg.d/99_datasource.cfg. Note that if a single
datasource is specified, cloud-init will automatically use it. If more than
one is specified, cloud-init (via an early boot script called ds-identify)
will check to see which datasource it should be using. If no
suitable datasource can be found, cloud-init will be disabled.

If that's not helping, Openstack timeouts can also be configured in
/etc/cloud/cloud.cfg[.d]. The details can be found here:

Hope that helps!


On Sat, May 14, 2022 at 3:33 PM Laurent Dumont <laurentfdumont@xxxxxxxxx>

> Hey folks,
> I am building a small custom image based on 22.04. Its primary use is to
> be deployed to troubleshoot network/strange things in Openstack.
> We are usually expecting cloud-init to work with the OpenstackDatasource
> or the LocalDatasource (config drive) and it works great!
> But there are some cases where I know we won't be able to reach
> cloudinit/some weird issue with the configdrive CDROM drive with cloud-init.
> With a stock cloud-init and a setup where there is no working Datasource,
> I see that the overall boot time is around 400+ seconds.
> Is there a way to configure global timeout so that
>    - If the URL metadata server doesn't respond.
>    - If the config-drive is not mounted/not working.
>    - Skip the rest of the initialization?
> Maybe a middle ground where it can at least try to get the interfaces up?
> Thanks!
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