[openstack-dev] [Neutron] - what integration with Keystone is allowed?
Kevin Benton
blak111 at gmail.com
Mon Sep 22 19:02:12 UTC 2014
Right, I understand that. However, the point is that the tenant name is
being stored outside of Keystone and it doesn't ever appear to be updated.
I had proposed a spec to cache the tenant names for the Big Switch code and
it was declined because of the duplication of information.
On Sep 22, 2014 10:52 AM, "Mohammad Banikazemi" <mb at us.ibm.com> wrote:
> In the patch being referred to here and in the IBM controller, the project
> ID is the unique identifier used. The name is simply an additional piece of
> information that may perhaps be used for debugging. The back-end
> (controller) keeps a name not as a unique identifier but in addition to the
> unique identifier which is the project ID. For all practical purposes, we
> can set the project name for all projects to Kevin Benton and nothing will
> change functionally.
>
> This should be obvious from the code and how the project id and not the
> name has been used in the plugin. Perhaps the commit message can specify
> this clearly to avoid any confusion.
>
> Best,
>
> Mohammad
>
>
>
> [image: Inactive hide details for Dolph Mathews ---09/22/2014 10:53:29
> AM---On Sun, Sep 21, 2014 at 3:58 PM, Kevin Benton <blak111 at gmai]Dolph
> Mathews ---09/22/2014 10:53:29 AM---On Sun, Sep 21, 2014 at 3:58 PM, Kevin
> Benton <blak111 at gmail.com> wrote: > So based on those guideli
>
> From: Dolph Mathews <dolph.mathews at gmail.com>
> To: "OpenStack Development Mailing List (not for usage questions)" <
> openstack-dev at lists.openstack.org>
> Date: 09/22/2014 10:53 AM
> Subject: Re: [openstack-dev] [Neutron] - what integration with Keystone
> is allowed?
> ------------------------------
>
>
>
>
> On Sun, Sep 21, 2014 at 3:58 PM, Kevin Benton <*blak111 at gmail.com*
> <blak111 at gmail.com>> wrote:
>
> So based on those guidelines there would be a problem with the IBM
> patch because it's storing the tenant name in a backend controller, right?
>
>
> It would need to be regarded as an expiring cache if Neutron chose to go
> that route. I'd wholly recommend against it though, because I don't see a
> strong use case to use names instead of IDs here (correct me if I'm wrong).
>
>
> On Sep 21, 2014 12:18 PM, "Dolph Mathews" <*dolph.mathews at gmail.com*
> <dolph.mathews at gmail.com>> wrote:
> Querying keystone for tenant names is certainly fair game.
>
> Keystone should be considered the only source of truth for tenant
> names though, as they are mutable and not globally unique on their own, so
> other services should not stash any names from keystone into long term
> persistence (users, projects, domains, groups, etc-- roles might be an odd
> outlier worth a separate conversation if anyone is interested).
>
> Store IDs where necessary, and use IDs on the wire where possible
> though, as they are immutable.
>
> On Sat, Sep 20, 2014 at 7:46 PM, Kevin Benton <*blak111 at gmail.com*
> <blak111 at gmail.com>> wrote:
> Hello all,
>
> A patch has come up to query keystone for tenant names in the IBM
> plugin.[1] As I understand it, this was one of the reasons
> another
> mechanism driver was reverted.[2] Can we get some clarity on the
> level
> of integration with Keystone that is permitted?
>
> Thanks
>
> 1. *https://review.openstack.org/#/c/122382*
> <https://review.openstack.org/#/c/122382>
> 2. *https://review.openstack.org/#/c/118456*
> <https://review.openstack.org/#/c/118456>
>
> --
> Kevin Benton
>
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