Open Stack

> On Mar 18, 2016, at 8:31 AM, Cory Benfield <cory at lukasa.co.uk> wrote:
> 
>> 
>> On 18 Mar 2016, at 13:57, Brian Haley <brian.haley at hpe.com> wrote:
>> 
>> On 03/17/2016 06:04 PM, Doug Wiegley wrote:
>>>>> Here is the non comprehensive list of usages based on what trees I
>>>>> happen to have checked out (which is quite a few, but not all of
>>>>> OpenStack for sure).
>>>>> 
>>>>> I think before deciding to take over ownership of an upstream lib (which
>>>>> is a large commitment over space and time), we should figure out the
>>>>> migration cost. All the uses in Tempest come from usage in Glance IIRC
>>>>> (and dealing with chunked encoding).
>>>>> 
>>>>> Neutron seems to use it for a couple of proxies, but that seems like
>>>>> requests/urllib3 might be sufficient.
>>>> 
>>>> The Neutron team should talk to Cory Benfield (CC'd) and myself more about this if they run into problems. requests and urllib3 are a little limited with respect to proxies due to limitations in httplib itself.
>>>> 
>>>> Both of us might be able to dedicate time during the day to fix this if Neutron/OpenStack have specific requirements that requests is not currently capable of supporting.
>>> 
>>> Looks like neutron is using it to do HTTP requests via unix domain sockets. Unless I’m missing something, requests doesn’t support that directly. There are a couple of other libs that do, or we could monkey patch the socket. Or modify the agents to use localhost.
>> 
>> We have to use Unix domain sockets in the metadata proxy because it's running in a namespace, so can't use localhost to talk to the agent.  But we could use some other library of course.
>> 
> 
> Getting requests to talk over a Unix domain socket is not particularly tricky, and there are third-party libraries that hook into requests appropriately to make that happen. For example, the requests-unixsocket module exists that can do the appropriate things.

That’s the module that I was eyeing, but we’re just trading one dependency for another. Is there something about httplib2 maintenance in particular that makes us want that gone?

doug


> 
> Cory
> 
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