[openstack-dev] questions about nova compute monitors extensions

[Hou Gang HG Liu]

Hi Jay,

I notice nova compute monitor now only tries to load monitors with 
namespace "nova.compute.monitors.cpu", and only one monitor in one 
namespace can be enabled(
https://review.openstack.org/#/c/209499/6/nova/compute/monitors/__init__.py
).

Is there a plan to make MonitorHandler.NAMESPACES configurable or just 
hard code constraint as it is now? And how to make compute monitor support 
user defined as it was?

Thanks!
B.R

Hougang Liu （刘侯刚）
Developer - IBM Platform Resource Scheduler   
Systems and Technology Group

Mobile: 86-13519121974 | Phone: 86-29-68797023 | Tie-Line: 87023 陕西
省西安市高新六路42号中清大厦3层
E-mail: liuh...@cn.ibm.com  Xian, Shaanxi 
Province 710075, China 
 


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Re: [openstack-dev] questions about nova compute monitors extensions

[Joe Cropper]

The new framework does indeed support user-defined monitors.  You just extend 
whatever monitor’d like (e.g., nova.compute.monitors.cpu.virt_driver.Monitor) 
and add your customized logic.  And since the new framework uses 
stevedore-based extension points, you just need to be sure to add the 
appropriate entry to your project’s setup.py file (or entry_points.txt in your 
egg) so that stevedore can load them properly.

Hope this helps!

Thanks,
Joe
> On Sep 10, 2015, at 2:52 AM, Hou Gang HG Liu  wrote:
> 
> Hi all, 
> 
> I notice nova compute monitor now only tries to load monitors with namespace 
> "nova.compute.monitors.cpu", and only one monitor in one namespace can be 
> enabled( 
> https://review.openstack.org/#/c/209499/6/nova/compute/monitors/__init__.py 
> ).
>  
> 
> Is there a plan to make MonitorHandler.NAMESPACES configurable or just hard 
> code constraint as it is now? And how to make compute monitor support user 
> defined as it was? 
> 
> Thanks! 
> B.R 
> 
> Hougang Liu （刘侯刚） 
> Developer - IBM Platform Resource Scheduler   
>   Attachment.gif> 
> Systems and Technology Group 
> 
> Mobile: 86-13519121974 | Phone: 86-29-68797023 | Tie-Line: 87023  
>  陕西省西安市高新六路42号中清大厦3层
> E-mail: liuh...@cn.ibm.com
>  Xian, Shaanxi Province 710075, 
> China
> 
>
> 
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> OpenStack Development Mailing List (not for usage questions)
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[openstack-dev] questions about nova compute monitors extensions

[Hou Gang HG Liu]

Hi all,

I notice nova compute monitor now only tries to load monitors with 
namespace "nova.compute.monitors.cpu", and only one monitor in one 
namespace can be enabled(
https://review.openstack.org/#/c/209499/6/nova/compute/monitors/__init__.py
).

Is there a plan to make MonitorHandler.NAMESPACES configurable or just 
hard code constraint as it is now? And how to make compute monitor support 
user defined as it was?

Thanks!
B.R

Hougang Liu （刘侯刚）
Developer - IBM Platform Resource Scheduler   
Systems and Technology Group

Mobile: 86-13519121974 | Phone: 86-29-68797023 | Tie-Line: 87023 陕西
省西安市高新六路42号中清大厦3层
E-mail: liuh...@cn.ibm.com  Xian, Shaanxi 
Province 710075, China 
 


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