Open Stack

I've compiled a list of backwards incompatabilities where the new client
will impact (in some cases break) existing scripts:

https://wiki.openstack.org/wiki/Glance-v2-v1-client-compatability


> On 27/08/15 15:32 -0400, Nikhil Komawar wrote:
>>
>> As a part of our continued effort to make the v2 primary API and get
>> people to consume it without confusion we are planning to move ahead
>> with the client release (the release would set the default version of
>> API to 2). There haven't been any major/minor raised here.
>>
>> An issue regarding the possible impact of this release due to major bump
>> was raised during the morning meeting however, the client release should
>> follow semver semantics and indicate the same. A corresponding review
>> for release notes exists that should merge before the release. This
>> medium of communication seems enough; it follows the prescription for
>> necessary communication. I don't seem to find a definition for necessary
>> and sufficient media for communicating this information so will take
>> what we usually follow.
>>
>> There are a few bugs [1] that could be considered as part of this
>> release but do not seem to be blockers. In order to accommodate the
>> deadlines of the release milestones and impact of releases in the
>> upcoming week to other projects, we can continue to fix bugs and release
>> them as a part of 1.x.x releases sooner than later as time and resource
>> permit. Also, the high ones can be part of the stable/* backports if
>> needed but the description has only shell impact so there isn't a strong
>> enough reason.
>>
>> So, we need to move ahead with this release for Liberty.
>
> +1
>
> We've been making small steps towards this for a couple of cycles and
> I'm happy we're finally switching the default version on the client
> library.
>
> The above being said, I believe our client library needs a lot of more
> work but this release should set us in a better position to do that.
>
> For folks consuming glanceclient, here's what you need to know:
>
> If you're using glanceclient from your software - that is, you're
> using the library and not the CLI - there's nothing you need to do. If
> you're using the library, I'm assuming you're creating a client
> instance using[0] or by instantiating the specific versioned client
> class. Both of these cases require you to specify an API version to
> use.
>
> However, if you're using the CLI and you want to stick using the V1,
> then you'll need to update your scripts and make sure they use
> `--os-image-api 1`. Respectively, if your scripts are using
> `--os-image-api 2`, then you should feel free to ignore that argument.
>
> As a good practice, for now, I'd recommend specifying the argument
> regardless of the version.
>
> For other changes, please review the rel notes[1] (as soon as they are
> there, or you can read[2])
>
> [0] https://git.openstack.org/cgit/openstack/python-glanceclient/tree/glanceclient/client.py?h=stable/kilo#n21
> [1] http://docs.openstack.org/developer/python-glanceclient/#release-notes
> [2] https://review.openstack.org/#/c/217591/
>
>
>>
>> [1]
>> https://bugs.launchpad.net/python-glanceclient/+bugs?field.tag=1.0.0-potential
>
> Thanks Stuart for tagging these bugs and everyone for raising great
> concerns pro/against the release[0]. And thanks Erno for pushing this
> out.
>
> [0] http://eavesdrop.openstack.org/meetings/glance/2015/glance.2015-08-27-14.00.log.html
>
> Flavio