4.12 -> 4.13 upgrade

[Rowland penny]

On 22/10/2020 10:06, L. van Belle via samba-technical wrote:
> Hai,
>
> Small question, i cant find this.
>
> So after the 4.13.0 (on
> release date) I upgrade a DC and that failed. so i reverted back to my VM
> snapshot.
>
> I now see the following in the logs.
>
> [2020/10/22 10:48:36.514438,
>   0] ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
>
>   /usr/sbin/samba_dnsupdate: /usr/sbin/samba_dnsupdate:274:
> DeprecationWarning: please use dns.resolver.Resolver.resolve() instead
>
> [2020/10/22 10:48:36.521212,
>   0] ../../lib/util/util_runcmd.c:352(samba_runcmd_io_handler)
>
>   /usr/sbin/samba_dnsupdate:
>
>   return resolver.query(name, name_type)
>
> Now, when i
> look at DC2, which stayed at 4.12.8, that one is not showing any
> DeprecationWarnings.
>
> And i recently added a 3th DC with 4.12.8 and same no DeprecationWarning.
>
> Im trying to find why only DC1 has this message even after the i reverted to
> the VM backup.
>
> So i hoped today that after the fix for 4.13 for the start up, i did an
> upgrade again on my production DC1, having the DeprecationWarning message
>
> Only that didnt solve it. Its all running fine thats not the problem.
>
> Strange thing here is, DC2
> is a copy of DC1 and doesnt show this and same for the new DC setup.
>
> Anyone suggestions
>   what this is, and maybe how to make the error disapear?
>
> Its a very constant message since i see it every 10 minuts.

You would, that is the frequency that samba_dnsupdate is run.

Could you be running bullseye on that DC ?

Which would mean python3-dnspython V2.0.0 and in this version 
resolver.query is deprecated.

Rowland