[openstack-dev] [Fuel][Plugins] question on the is_hotpluggable feature
Simon Pasquier
spasquier at mirantis.com
Fri Feb 5 10:52:17 UTC 2016
Thanks Evgeniy.
On Fri, Feb 5, 2016 at 11:07 AM, Evgeniy L <eli at mirantis.com> wrote:
> Hi Simon,
>
> As far as I know it's expected behaviour (at least for the current
> release), and it's expected that user reruns deployment on required nodes
> using fuel cli, in order to install plugin on a live environment.
>
Ok. For the record, this means running this command for every node that is
already deployed:
$ fuel node --node-id <id> --deploy
Any plan to have a nicer experience in future Fuel releases?
> It depends on specific role, but "update_required" field may help you, it
> can be added to role description, Fuel reruns deployment on nodes with
> roles, which are specified in the list, if new node with the role is added
> to the environment.
>
Nope, it doesn't work for me since it should run for *all* the nodes,
irrespective of their roles. AFAIK update_required doesn't support '*'.
>
> Thanks,
>
> [1]
> https://github.com/openstack/fuel-web/blob/master/nailgun/nailgun/fixtures/openstack.yaml#L16-L18
>
> On Fri, Feb 5, 2016 at 12:53 PM, Simon Pasquier <spasquier at mirantis.com>
> wrote:
>
>> Hi,
>> I'm testing the ability to install Fuel plugins in a an environment that
>> is already deployed.
>> My starting environment is quite simple: 1 controller + 1 compute. After
>> the initial deployment, I've installed the 4 LMA plugins:
>> - LMA collector
>> - Elasticsearch-Kibana [*]
>> - InfluxDB-Grafana [*]
>> - Infrastructure Alerting [*]
>> [*] adds a new role
>> Of course, all plugins have "is_hotpluggable: true" in their metadata
>> definition.
>> My expectation is that I can add a new node with the new roles and that
>> the LMA collector tasks are executed for all 3 nodes. So I've added the new
>> node and click the "Deploy changes" button. My re-deployment runs fine but
>> I notice that the plugins aren't installed on the existing nodes (eg
>> /etc/fuel/plugins/...) so there is no way that the plugins tasks can be
>> executed on already deployed nodes... Is this a known limitation? Am I
>> missing something?
>> Best regards,
>> Simon
>>
>>
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>
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