Hi Neal, thanks for response.

So I would see it as UNDERCLOUD_USE_UI (TripleO UI can be placed only to Undercloud)

And for overcloud: OVERCLOUD_USE_UI and OVERCLOUD_USE_CEILOMETER, cause in
overcloud users might not want UI, but only data for billing. Does it sound reasonable?

On 04/22/2014 06:23 PM, Neal, Phil wrote:
From: Ladislav Smola [mailto:lsm...@redhat.com]
Sent: Wednesday, April 16, 2014 8:37 AM
To: openstack-dev@lists.openstack.org
Subject: Re: [openstack-dev] [TripleO] [Tuskar] Undercloud Ceilometer

No response so far, but -1 on the image element for making Ceilometer
optional.
Sorry for the delayed response, Ladislov. It turns out that the mailing list 
was filtering out these TripleO mails for me.

Let me add a little context to that -1: given that a TripleO user may not want 
to enable a UI layer at the undercloud level (there's a use case for using the 
undercloud solely for spinning up the overcloud), I think we want to support as 
small a footprint as possible.

OK, so what about having variable in devtest_variables: USE_TRIPLEO_UI.

I like this approach better...in fact I will look into adding something similar 
into the changes I'm making to enable Ceilometer by default in the overcloud 
control node: https://review.openstack.org/#/c/89625/1

It would add Undercloud Ceilometer, Tuskar-UI and Horizon. And Overcloud
SNMPd.

Defaulted to USE_TRIPLEO_UI=1 so we have UI stuff in CI.

How does it sound?

Perhaps specify something like "UNDERCLOUD_USE_TRIPLEO_UI" to be more specific 
on where this will be deployed.
On 04/14/2014 01:31 PM, Ladislav Smola wrote:
Hello,

I am planning to add Ceilometer to Undercloud as default. Since
Tuskar-UI uses
it as primary source of metering samples and Tuskar should be in
Undercloud
as default, it made sense to me.

So is my assumption correct or there are some reasons not to do this?

Here are the reviews, that are adding working Undercloud Ceilometer:
https://review.openstack.org/#/c/86915/
https://review.openstack.org/#/c/86917/  (depends on the template
change)
https://review.openstack.org/#/c/87215/

Configuration for automatic obtaining of stats from all Overcloud
nodes via.
SNMP will follow soon.

Thanks,
Ladislav


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