[openstack-dev] [oslo] Common SSH
Doug Hellmann
doug.hellmann at dreamhost.com
Fri Jan 10 20:21:26 UTC 2014
On Fri, Jan 10, 2014 at 1:32 PM, Sergey Skripnick
<sskripnick at mirantis.com>wrote:
>
>
>
>>
>>
>> On Fri, Jan 10, 2014 at 12:54 PM, Sergey Skripnick <
>> sskripnick at mirantis.com> wrote:
>>
>>
>>>
>>>
>>>> I appreciate that we want to fix the ssh client. I'm not certain that
>>>> writing our own is the >>>best >answer.
>>>>
>>>>
>>>
>>>
>>> I was supposed to fix oslo.processutils.ssh with this class, but it may
>>>
>>> be fixed without it, not big deal.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>>
>>>>
>>>> In his comments on your pull request, the paramiko author recommended
>>>> looking at Fabric. I know >>>that >Fabric has a long history in production.
>>>> Does it provide the required features?
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>> Fabric is too much for just command execution on remote server. Spur
>>> seems like
>>>
>>> good choice for this.
>>>
>>>
>>>
>>> But I still don't understand: why do we need oslo.processutils.execute?
>>> We can use
>>>
>>> subprocess module. Why do we need oslo.processutils.ssh_execute? We can
>>> use paramiko
>>>
>>> instead.
>>>
>>
>> Well, as you've shown, having a wrapper around subprocess to deal with
>> the I/O properly is useful, >especially commands that produce a lot of it.
>> :-)
>>
>>
>> As far as ssh_execute goes, I don't know the origin but I imagine the
>> author didn't know about >paramiko.
>>
>>
>> Doug
>>
>
>
> ssh_execute is using paramiko :)
See, this is what I get for not looking at git blame. :-)
Doug
>
>
>
>
> --
> Regards,
> Sergey Skripnick
>
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