Open Stack

On 6/1/23 07:42, Thomas Goirand wrote:
> On 6/1/23 13:19, Dmitriy Rabotyagov wrote:
>> You can set `rabbitmq_install_method: distro` in user_variables and
>> rabbitmq will get installed from distro-provided repositories rather
>> then external ones:
>> https://opendev.org/openstack/openstack-ansible-rabbitmq_server/src/branch/master/releasenotes/notes/rabbitmq-using-external-repo-instead-of-pkg-file-8cdd00f58d3496ba.yaml 
>>
>> But yes, default behaviour is to use external repos.
>>
>> You're slightly wrong about reasons behind why this behaviour is
>> default though. It's not about having "latest" versions, it's about
>> having consistent/same versions across all distributions. First of
>> all, then related bugs and security vulnerabilities are the same for
>> all distros, so it's kinda easier to keep track on that. But then most
>> important part is cross-distro installations.
>> So let's assume an individual is running Ubuntu (or CentOS, doesn't
>> matter), and they want to migrate to Debian. Having different rabbitmq
>> versions installed by these distributions will totally be a blocker
>> for such resilient migration. At the same time, when exactly the same
>> versions of rabbit/erlang/galera are installed - they can just
>> re-setup control planes one by one to another distro without any pain
>> and the cluster will remain functional.
>
> Hi Dmitriy,
>
> Thanks for the explanation. It makes more sense now (even though I 
> don't think there's many people willing to switch distro in an 
> existing deployment).
>
> Cheers,
>
> Thomas Goirand (zigo)
>
>
Hello Thomas,

Yes you are bound to do it every few year when you need to upgrade the 
OS on your existing installation.

Thanks

Marc