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Hi ,

According to https://github.com/eventlet/eventlet/issues/147 - it's looks
that eventlet
has issue with "multiprocessing.pool".

The ThreadPool used in code that auto-generated by swagger.

Possible workaround for that is to monky-patch the client library ,
and replace the pool with greenpool.

If someone has better workaround, please share that with us :)

btw , I don't think that should be treated as compatibility issue
in the client python as it's an eventlet issue..

Thanks ,
leyal



On 1 January 2018 at 12:08, Lingxian Kong <anlin.kong at gmail.com> wrote:

> I edited the topic just for attention.
>
> However, the new kubernetes client version breaks the services that's
> using oslo.service which relies on eventlet library. Some error logs below:
>
> (Pdb) n
> > /vagrant/qinling/qinling/orchestrator/kubernetes/
> manager.py(49)__init__()
> -> client = api_client.ApiClient(configuration=config)
> (Pdb) n
> Exception in thread Thread-2:
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
>     self.run()
>   File "/usr/lib/python2.7/threading.py", line 754, in run
>     self.__target(*self.__args, **self.__kwargs)
>   File "/usr/lib/python2.7/multiprocessing/pool.py", line 325, in
> _handle_workers
>     while thread._state == RUN or (pool._cache and thread._state !=
> TERMINATE):
> AttributeError: '_MainThread' object has no attribute '_state'
>
> I did a google search, found this: https://github.com/
> eventlet/eventlet/issues/147
>
> multiprocessing.pool was introduced since 4.0.0 (threading lib was used
> before)
>
> I assume this is an backward incompatible change.
>
> Any suggestion?
>
> Cheers,
> Lingxian Kong (Larry)
>
> On Wed, Dec 13, 2017 at 10:41 PM, Eyal Leshem <ey.leshem at gmail.com> wrote:
>
>> Hi Lingxian,
>>
>> It's should -  under the assumption of uses only the v1 models ( and not
>> v1_alpha or v1_beta).
>> see : https://kubernetes.io/docs/reference/api-overview/
>>
>> thanks ,
>> leyal
>>
>> On 13 December 2017 at 11:16, Lingxian Kong <anlin.kong at gmail.com> wrote:
>>
>>> hi, leyal,
>>>
>>> I suppose the upgrade is backward compatible, right?
>>>
>>>
>>> Cheers,
>>> Lingxian Kong (Larry)
>>>
>>> On Wed, Dec 13, 2017 at 8:51 PM, Eyal Leshem <ey.leshem at gmail.com>
>>> wrote:
>>>
>>>> Hi all ,
>>>>
>>>> In order to use kubernetes client that support network-policies ,
>>>> we plan to upgrade the python kubernetes package  from  1.0.0 to 4.0.0.
>>>>
>>>> any objections ?
>>>>
>>>> thanks,
>>>> leyal
>>>>
>>>> clarification:
>>>> The purposed changed is for kubernetes-python-client - that called just
>>>>  "kubernetes" in  pypi
>>>>
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