[Rdo-list] Overcloud nodes host-name persistence

[AliReza Taleghani]

if you check Hypervisor info => nova hypervisor-show [ID] just before first
reboot ( and of course I mean after overcloud deploy ) of node and after
rebooting the only param which in change is: [ service_host ]


| hypervisor_hostname | overcloud-novacompute-0.localdomain |
| service_host | overcloud-novacompute-0 |
==>
| hypervisor_hostname | overcloud-novacompute-0.localdomain |
| service_host | overcloud-novacompute-0.localdomain |

On Fri, Oct 16, 2015 at 1:29 PM AliReza Taleghani <shayne.alone at gmail.com>
wrote:

> I think this is related to stack - neutron - dhcp agent config inside the
> undercloud configuration...
> Cos management interface are in dhcp-client mode on baremetals and on each
> boot i think the take hostname via dhcp... Or some think alike :-/
>
> On Fri, Oct 16, 2015, 13:25 Marius Cornea <mcornea at redhat.com> wrote:
>
>> Nice catch, I was able to reproduce it on my system and reported it here:
>> https://bugzilla.redhat.com/show_bug.cgi?id=1272376
>>
>> ----- Original Message -----
>> > From: "AliReza Taleghani" <shayne.alone at gmail.com>
>> > To: rdo-list at redhat.com
>> > Sent: Friday, October 16, 2015 9:22:53 AM
>> > Subject: Re: [Rdo-list] Overcloud nodes host-name persistence
>> >
>> > if you update hostname via hostnamectl and restart nova-compute service
>> > without reboot it works! but rebooting will cause new hostname is place
>> :-/
>> >
>> > Sincerely,
>> > Ali R. Taleghani
>> > @linkedIn
>> >
>> > On Fri, Oct 16, 2015 at 10:49 AM, AliReza Taleghani <
>> shayne.alone at gmail.com
>> > > wrote:
>> >
>> >
>> >
>> > It seem that If you restart bare metal servers! there will be a problem
>> after
>> > boot that the node will be register it self with a different name rather
>> > than the one used on deployment!
>> >
>> >
>> > as the attachment shown the failed compute node is registered with new
>> name:
>> > => overcloud-novacompute-2.localdomain
>> > as it was
>> > => overcloud-novacompute-2
>> > during deployment!
>> >
>> > I check:
>> > ```
>> > [heat-admin at overcloud-novacompute-2 ~]$ sudo hostnamectl set-hostname
>> > --transient overcloud-novacompute-2
>> > [heat-admin at overcloud-novacompute-2 ~]$ sudo hostnamectl set-hostname
>> > overcloud-novacompute-2
>> > ````
>> > but after reboot the server again append localdomain to iit's hostname
>> >
>> > Sincerely,
>> > Ali R. Taleghani
>> > @linkedIn
>> >
>> >
>> > _______________________________________________
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>> >
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>>
> --
> Sincerely,
> Ali R. Taleghani
>
-- 
Sincerely,
Ali R. Taleghani
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