[Openstack] Novatools ...

Devin Carlen devin.carlen at gmail.com
Thu Feb 24 22:33:42 UTC 2011


This is a bit nitpicky but I'd rather see it called just "nova", as in:

nova describe images

Who has strong opinions?

On Feb 24, 2011, at 1:30 PM, Jay Pipes wrote:

> On Thu, Feb 24, 2011 at 4:06 PM, Eric Day <eday at oddments.org> wrote:
>> On Thu, Feb 24, 2011 at 03:48:25PM -0500, Jay Pipes wrote:
>>> I just don't want to end up with:
>>> 
>>> os-describe-images
>>> os-describe-image-attribute
>>> os-describe-instances
>>> os-describe-groups
>>> os-describe-zones
>>> os-describe-keypairs
>>> os-describe-volumes
>>> os-describe-snapshots
>>> 
>>> The above is asinine, IMO.
>> 
>> Completely agree. :)
> 
> Cool. Was starting to lose my mind thinking people *really* wanted to
> duplicate the eucatools mess...
> 
>>> If you want to have an os-compute and an os-network CLI tool, cool,
>>> but I think that:
>>> 
>>> os-compute describe images
>>> os-compute describe image-attribute
>>> os-compute describe instances
>>> os-compute describe groups
>>> etc...
>>> 
>>> is far more workable than 15 separate CLI tools that do essentially
>>> identical things.
>> 
>> Yup, agree. Also keep in mind that some operations may be duplicates
>> across services, just with a different context. For example,
>> in a deployment where you use glance backed by swift for nova,
>> os-compute describe image <id> may be the same as os-image describe
>> <id> or os-object describe <id> (swift), but the os-compute is in
>> the context of instances so it could have more metadata. This will
>> mirror the dependency tree we see between services (especially as
>> they are split out).
> 
> ++
> 
>> We want to make sure there are tools so services can stand alone as
>> needed (for example, os-image if you run glance standalone). Services
>> that combine other services (like nova) should aggregate these into
>> context-specific commands so you don't *need* to use the underlying
>> service tools for most things. This allows you to control nova use
>> one tool. :)
> 
> No disagreement from me.
> 
> -jay
> 
> p.s. thx for not sending me to /dev/null ;)
> 
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