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I really don't know how I have missed that part in the documentation, 
I've read through it numerous times :)

In any case, it works as expected with the group_vars/compute file.

Thank you all, for you help!

a.


On 27/3/21 7:37 μ.μ., Mark Goddard wrote:
> On Sat, 27 Mar 2021 at 06:50, Alexandros Soumplis
> <soumplis at admin.grnet.gr> wrote:
>> Hi Eddie,
>>
>> If I define them in the hostname it works perfectly fine. I cannot use the globals.yml because there are different bridges per group (ex. control plane servers do not the provide network bridges).
>>
>> The problem with the host approach is that it makes the inventory file very difficult to parse with external scripts. If the typical ansible :vars section worked as expected it would make any parsing much easier with crudini :)
> Hi Alexandros,
>
> There's some kolla-specific info here:
> https://docs.openstack.org/kolla-ansible/latest/user/multinode.html#host-and-group-variables
>
> Essentially, the problem is that we define various default values in a
> group_vars/all.yml file next to our playbooks, and this has a higher
> precedence than an inventory file:
> https://docs.ansible.com/ansible/latest/user_guide/playbooks_variables.html#understanding-variable-precedence.
>
> Try using a group_vars/compute file, next to your inventory file.
>
> Mark
>
>>
>> a.
>>
>>
>>
>> On 27/3/21 1:11 π.μ., Eddie Yen wrote:
>>
>> Hi Alexandros,
>>
>> In the [compute] area, it's correct.
>> But for define what physical interface should be use for each
>> nodes, you should set like below:
>>
>> [compute]
>> comp[1:5] neutron_external_interface=bond0.100,bond.101
>>
>> And I'm not sure if "neutron_bridge_name" can be set behind
>> hostname. For me I usually put into globals.yml.
>>
>> Alexandros Soumplis <soumplis at admin.grnet.gr> 於 2021年3月27日 週六 上午1:49寫道：
>>> Hi all,
>>>
>>> I am trying to define a couple of variables in the inventory file for a
>>> specific group and I do something like the following in the inventory:
>>>
>>> (...)
>>> [compute]
>>> comp[1:5]
>>>
>>> [compute:vars]
>>> neutron_external_interface=bond0.100, bond0.101
>>> neutron_bridge_name=br-ex,br-ex2
>>>
>>> (...)
>>>
>>> This is a valid ansible setup, however with kolla-ansible these
>>> variables are totally ignored. Any suggestion ?
>>>
>>>
>>> a.
>>>
>>>
>>>

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