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Hey Thomas
This was really helpful. I had another doubt, how can I add a complex calculation such as taking mean of CPU utilization of all nodes that are present in a senlin cluster with senlin cluster ID as its primary key.

Thanks & Regards,
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Uday Dikshit
Cloud DevOps Engineer, Product Development
uday.dikshit at myrealdata.in
www.myrealdata.in<http://www.myrealdata.in/>
809-A Udyog Vihar,
Phase 5, Gurugram - 122015, Haryana
________________________________
From: Thomas Goirand <zigo at debian.org>
Sent: Friday, January 27, 2023 8:54 PM
To: Uday Dikshit <uday.dikshit at myrealdata.in>; openstack-discuss at lists.openstack.org <openstack-discuss at lists.openstack.org>
Subject: Re: How to create a dynamic pollster subsystem to create a pollster for senlin cluster

On 1/25/23 10:04, Uday Dikshit wrote:
> Hello Team
> We are a public cloud provider based on Openstack.
> We are working to create Autoscaling with aodh and senlin in
> Kolla-ansible Openstack Wallaby release. We are facing an issue as
> ceilometer does not support metrics for senlin cluster as a resource.
> Our aim is to use
> https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.openstack.org_ceilometer_wallaby_admin_telemetry-2Ddynamic-2Dpollster.html&d=DwIDaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=58AkTXQK-t27foam0JxQj_p2S7oML-5RlT2bY2LISOk&m=KrUyOp7R8Eq0a_TOSOboQA2IOuHFlEtSswxM7uAB0f4&s=-LMnIXpO63G3i6FF9aX_zIGELd_4Z32B8jN24N8Yy2Y&e= <https://urldefense.proofpoint.com/v2/url?u=https-3A__docs.openstack.org_ceilometer_wallaby_admin_telemetry-2Ddynamic-2Dpollster.html&d=DwIDaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=58AkTXQK-t27foam0JxQj_p2S7oML-5RlT2bY2LISOk&m=KrUyOp7R8Eq0a_TOSOboQA2IOuHFlEtSswxM7uAB0f4&s=-LMnIXpO63G3i6FF9aX_zIGELd_4Z32B8jN24N8Yy2Y&e=> to generate a pollster to collect data for senlin. We were looking if anybody in the community has ever used this feature.

Hi,

Not only we use that feature in production, but I also used the dynamic
pollster stuff on the compute pollster using the command-line thingy.
The result is this project:

https://urldefense.proofpoint.com/v2/url?u=https-3A__salsa.debian.org_openstack-2Dteam_services_ceilometer-2Dinstance-2Dpoller_&d=DwIDaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=58AkTXQK-t27foam0JxQj_p2S7oML-5RlT2bY2LISOk&m=KrUyOp7R8Eq0a_TOSOboQA2IOuHFlEtSswxM7uAB0f4&s=PZG_y8gQzPmKPmaCX1OWHNA5Zg9tFJ0O4zdZZkrUnIY&e=

You can also read bits of docs of OCI about it:
https://urldefense.proofpoint.com/v2/url?u=https-3A__salsa.debian.org_openstack-2Dteam_debian_openstack-2Dcluster-2Dinstaller-23configuring-2Da-2Dcustom-2Dmetric-2Dand-2Dbilling&d=DwIDaQ&c=euGZstcaTDllvimEN8b7jXrwqOf-v5A_CdpgnVfiiMM&r=58AkTXQK-t27foam0JxQj_p2S7oML-5RlT2bY2LISOk&m=KrUyOp7R8Eq0a_TOSOboQA2IOuHFlEtSswxM7uAB0f4&s=HB4uQxN4HzA-iHQ1Cvlt-UVhF6oH5jzY0xmJ8Afu5i8&e=

I hope this helps. If you need more help, please do reply ...

Cheers,

Thomas Goirand (zigo)



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