[Openstack] Cinder, custom filters and weighers.

Shinobu shinobu.kj at gmail.com
Tue Aug 25 12:59:34 UTC 2015


Sorry, my reply was to intended to different question.
Please ignore me -;

Shinobu

On Tue, Aug 25, 2015 at 9:42 PM, Thomas Zilio <zilio at efficit.com> wrote:

> Hello Erlon,
>
> Yes, my class inherits from filters.BaseHostFilter.
> That's what I though for  'scheduler_available_filters' , is this option
> required for newer release ?
> This option is mentioned here :
> http://docs.openstack.org/developer/cinder/devref/filter_scheduler.html
>
> The test filter is:
>
> from cinder.openstack.common..scheduler import filters
> from cinder.openstack.common import log as logging
>
> LOG = logging.getLogger(__name__)
>
> class CustomFilter(filters.BaseHostFilter):
>     def host_passes(self, host_state, filter_properties):
>         LOG.warn("Attributes of host_state: " + str(dir(host_state)))
>
>         if host_state.host == "host1.xxx.xxx":
>             LOG.warn("Don't want you: " + host_state.host)
>             return False
>         return True
>
>
> I'll look into host_manager.py but I'm not sure what more it can give me.
>
> Thanks,
> Thomas
>
>
> Le 25 août 2015 à 14:16, Erlon Cruz <sombrafam at gmail.com> a écrit :
>
> Hi Thomas,
>
> Is you class inheriting from 'filters.BaseHostFilter'? Also, there's no
> such option 'scheduler_available_filters' in openstack/icehouse.
> A good way to have an insight of your problem is to put logs into
> 'cinder/scheduler/host_manager.py -> _choose_host_filters'.
>
> Erlon
>
> On Tue, Aug 25, 2015 at 9:02 AM, Shinobu <shinobu.kj at gmail.com> wrote:
>
>> Yes, it's possible using inspectors.
>>
>> Shinobu
>>
>> On Tue, Aug 25, 2015 at 8:32 PM, Thomas Zilio <zilio at efficit.com> wrote:
>>
>>> Hello,
>>>
>>> I'm trying to test some custom cinder filters and weighers but I can't
>>> manage to make it work.
>>> I did the same for Nova and everything is working but the Cinder
>>> scheduler can't seem to find my custom classes.
>>>
>>> My tests are made on a Icehouse installation.
>>>
>>> The error message appearing in the log is the following one:
>>> > SchedulerHostFilterNotFound: Scheduler Host Filter CustomFilter could
>>> not be found.
>>>
>>> The filter file is in the directory :
>>> /usr/lib/python2.6/site-packages/cinder/scheduler/filters
>>> And I added these lines to the cinder.conf file (not sure if the first
>>> one is required).
>>> > scheduler_available_filters=custom_filter.CustomFilter
>>> >
>>> scheduler_default_filters=AvailabilityZoneFilter,CapacityFilter,CapabilitiesFilter,CustomFilter
>>>
>>> My filter file name is custom_filter.py and the class is CustomFilter.
>>>
>>> I don't think it's related to what my filter does since it's not even
>>> found by the scheduler.
>>> I'm encountering the same issues with the weighers (and everything is
>>> working just fine on the Nova scheduler side).
>>>
>>> If anyone has any idea how I could make this work I would be really
>>> grateful !
>>>
>>> Thanks and regards,
>>> Thomas
>>> _______________________________________________
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>>
>>
>>
>> --
>> Email:
>>  shinobu at linux.com
>>  skinjo at redhat.com
>>
>>  Life w/ Linux <http://i-shinobu.hatenablog.com/>
>>
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>>
>
>
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>


-- 
Email:
 shinobu at linux.com
 skinjo at redhat.com

 Life w/ Linux <http://i-shinobu.hatenablog.com/>
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