Open Stack

To: Kevin Benton
To: Mark McClain, 
Cc: Akihiro Motoki

Hello, Kevin Benton. Thank you for the reply.
I have an idea.
If there is a DB that can be detected (something like sql.true()), we set 255 to name validate, otherwise we leave it as None.
How do you like this idea?

Best regards,
watanabe.isao

> -----Original Message-----
> From: Kevin Benton [mailto:blak111 at gmail.com]
> Sent: Monday, January 26, 2015 1:56 PM
> To: OpenStack Development Mailing List (not for usage questions)
> Subject: Re: [openstack-dev] About fix of validate name string length at API
> level
> 
> Devstack may not install neutron without a database backend, but that's just
> a side effect of devstack. If I recall correctly, the contrail plugin does
> not use the DB at all to service the API calls, so that would be an example
> of a non-db plugin that you would have to consider.
> 
> So the concern here would be that putting this new constraint at the API layer
> would break long names on something like the contrail plugin when they could
> have been working before.
> 
> IMO, putting some restrictions on what can go into an arbitrary Neutron
> installation for fields like this is a better experience for users/deployers.
> However, we should probably do it in a coordinated effort (i.e. restrict them
> all simultaneously) rather than slowly trickling in restrictions across
> several releases.
> 
> On Jan 25, 2015 8:40 PM, "Zou, Yun" <zou.yun at jp.fujitsu.com
> <mailto:zou.yun at jp.fujitsu.com> > wrote:
> 
> 
> 	To: Mark McClain
> 	Cc: Akihiro Motoki
> 	Cc: Assaf Muller, Armando Migliaccio, Oleg Bondarev, Toshiaki
> Higuchi
> 	Cc: Carl Baldwin, Aaron Rosen, Paul Michali, Rossella Sblendido
> 
> 	Hello, Mark McClain. I'm working on a bug fix [1] of validate name
> string length at API level.
> 	This fix let neutron return 400 BadRequest Error instead of internal
> 500 DB Error in an user operation.
> 	Then, Akihiro Motoki kindly told me that he worked on a similar issue
> [2], and you have reminded him about non-db backend plugin.
> 	I would like to take a consensus about this non-db backend plugin
> issue, before I move on my work.
> 	I have looked at the code of devstack [3], and it shows that neutron
> API server will not be installed if there is not any $DATABASE_BACKENDS been
> enabled.
> 	So I don't know what should we really take care about in this fix.
> 	Could you tell me your original concern or the picture you are imaging,
> please?
> 
> 	[1] https://review.openstack.org/#/c/145660/
> 	[2] https://review.openstack.org/#/c/84708/
> 	[3] http://docs.openstack.org/developer/devstack/stack.sh.html
> 
> 	Best regards,
> 	watanabe.isao
> 
> 
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