Re: [openstack-dev] [devstack] external plugin support for Devstack

[Sean Dague]

On 11/24/2014 10:31 AM, Sean Dague wrote:
> On 11/24/2014 10:17 AM, Chmouel Boudjnah wrote:
>>
>> On Mon, Nov 24, 2014 at 3:32 PM, Sean Dague > > wrote:
>>
>> We should also make this something which is gate friendly. I think the
>> idea had been that if projects included a /devstack/ directory in them,
>> when assembling devstack gate, that would be automatically dropped into
>> devstack's extra.d directory before running.
>>
>>
>>
>> +1 you are taking this way forward and it would look even better, even
>> for official projects managing their own devstack installation would be
>> great! (kinda like we are heading with functional tests)
>>
>> Which would let projects keep their devstack support local, make it easy
>> to gate their project on it, give those projects the ability to make
>> local fixes if something in devstack broke them.
>>
>> I think that in general providing this kind of functionality is
>> goodness. We should probably get the details hammered out though to
>> support local running and automated testing coherently.
>>
>>
>> We don't seem to have any specs repo for  devstack where this could be
>> worked on ?
> 
> devstack is part of the qa program so qa-specs is the place to put it.

One other thought from my bike ride yesterday.

I think the devstack interface we want for this is something like:

ADDITIONAL_REPOS="https://github.com/bob/myproject:mybranch,https://github.com/jane/mycoolerproject:mybranch";

The ADDITIONAL_REPOS would be iterated through, cloned to DEST in
devstack at the branches specified.

Then we need a standard for the files in /devstack/, which is at least 1
extras.d file for running the project install, though we might also need
a vars file to be sourced.

-Sean

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Sean Dague
http://dague.net

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Re: [openstack-dev] [devstack] external plugin support for Devstack

[Sean Dague]

On 11/24/2014 10:17 AM, Chmouel Boudjnah wrote:
> 
> On Mon, Nov 24, 2014 at 3:32 PM, Sean Dague  > wrote:
> 
> We should also make this something which is gate friendly. I think the
> idea had been that if projects included a /devstack/ directory in them,
> when assembling devstack gate, that would be automatically dropped into
> devstack's extra.d directory before running.
> 
> 
> 
> +1 you are taking this way forward and it would look even better, even
> for official projects managing their own devstack installation would be
> great! (kinda like we are heading with functional tests)
> 
> Which would let projects keep their devstack support local, make it easy
> to gate their project on it, give those projects the ability to make
> local fixes if something in devstack broke them.
> 
> I think that in general providing this kind of functionality is
> goodness. We should probably get the details hammered out though to
> support local running and automated testing coherently.
> 
> 
> We don't seem to have any specs repo for  devstack where this could be
> worked on ?

devstack is part of the qa program so qa-specs is the place to put it.

-Sean

-- 
Sean Dague
http://dague.net

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Re: [openstack-dev] [devstack] external plugin support for Devstack

[Chmouel Boudjnah]

On Mon, Nov 24, 2014 at 3:32 PM, Sean Dague  wrote:

> We should also make this something which is gate friendly. I think the
> idea had been that if projects included a /devstack/ directory in them,
> when assembling devstack gate, that would be automatically dropped into
> devstack's extra.d directory before running.
>


+1 you are taking this way forward and it would look even better, even for
official projects managing their own devstack installation would be great!
(kinda like we are heading with functional tests)

Which would let projects keep their devstack support local, make it easy
> to gate their project on it, give those projects the ability to make
> local fixes if something in devstack broke them.
>
> I think that in general providing this kind of functionality is
> goodness. We should probably get the details hammered out though to
> support local running and automated testing coherently.
>

We don't seem to have any specs repo for  devstack where this could be
worked on ?

Chmouel
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Re: [openstack-dev] [devstack] external plugin support for Devstack

[Sean Dague]

On 11/24/2014 08:56 AM, Chmouel Boudjnah wrote:
> Hello,
> 
> Thanks to the work of Dean and others we have a pretty solid
> plugins/extras support in Devstack. People can add new features in
> devstack within just a single file and that add a whole new feature or
> driver to devstack.
> 
> It seems that there is quite a bit of people who wants to have those
> extras plugins/features in the default devstack core because it's way
> more convenient for their users.
> 
> The policy has been mostly (and correct me if I am wrong) that things
> which are not tested in the gates cannot be in core devstack.
> 
> What about having a plugin structure for devstack assuming a standard
> directory structures which devstack would download and use automatically.
> 
> For the implemention I was thinking about something like this in our
> local.conf :
> 
> enabled_services
> blah_feature:https://git.openstack.org/stackforge/devstack-plugin-feature
> 
> and that repo gets downloaded and used automatically.
> 
> I understand that it is just a shortcut since curl -O
> https://git.openstack.org/stackforge/devstack-plugin-feature/devstack_plugin.sh
> in extras.d would work as well but maybe that would make people more
> confortable not having to be in core devstack and tell their users
> easily how to test a feature/driver with Devstack?

We should also make this something which is gate friendly. I think the
idea had been that if projects included a /devstack/ directory in them,
when assembling devstack gate, that would be automatically dropped into
devstack's extra.d directory before running.

Which would let projects keep their devstack support local, make it easy
to gate their project on it, give those projects the ability to make
local fixes if something in devstack broke them.

I think that in general providing this kind of functionality is
goodness. We should probably get the details hammered out though to
support local running and automated testing coherently.

-Sean

-- 
Sean Dague
http://dague.net

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[openstack-dev] [devstack] external plugin support for Devstack

[Chmouel Boudjnah]

Hello,

Thanks to the work of Dean and others we have a pretty solid plugins/extras
support in Devstack. People can add new features in devstack within just a
single file and that add a whole new feature or driver to devstack.

It seems that there is quite a bit of people who wants to have those extras
plugins/features in the default devstack core because it's way more
convenient for their users.

The policy has been mostly (and correct me if I am wrong) that things which
are not tested in the gates cannot be in core devstack.

What about having a plugin structure for devstack assuming a standard
directory structures which devstack would download and use automatically.

For the implemention I was thinking about something like this in our
local.conf :

enabled_services blah_feature:
https://git.openstack.org/stackforge/devstack-plugin-feature

and that repo gets downloaded and used automatically.

I understand that it is just a shortcut since curl -O
https://git.openstack.org/stackforge/devstack-plugin-feature/devstack_plugin.sh
in extras.d would work as well but maybe that would make people more
confortable not having to be in core devstack and tell their users easily
how to test a feature/driver with Devstack?

Cheers,
Chmouel
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