[openstack-dev] [Nova] why force_config_drive is a per comptue node config

Jiang, Yunhong yunhong.jiang at intel.com
Thu Feb 27 21:55:20 UTC 2014


Hi, Michael, I created a bug at https://bugs.launchpad.net/nova/+bug/1285880 and please have a look.

Thanks
--jyh

> -----Original Message-----
> From: Jiang, Yunhong [mailto:yunhong.jiang at intel.com]
> Sent: Thursday, February 27, 2014 1:35 PM
> To: OpenStack Development Mailing List (not for usage questions);
> yunhong jiang
> Subject: Re: [openstack-dev] [Nova] why force_config_drive is a per
> comptue node config
> 
> 
> 
> > -----Original Message-----
> > From: Michael Still [mailto:mikal at stillhq.com]
> > Sent: Thursday, February 27, 2014 1:04 PM
> > To: yunhong jiang
> > Cc: OpenStack Development Mailing List
> > Subject: Re: [openstack-dev] [Nova] why force_config_drive is a per
> > comptue node config
> >
> > On Fri, Feb 28, 2014 at 6:34 AM, yunhong jiang
> > <yunhong.jiang at linux.intel.com> wrote:
> > > Greeting,
> > >         I have some questions on the force_config_drive
> configuration
> > options
> > > and hope get some hints.
> > >         a) Why do we want this? Per my understanding, if the user
> > want to use
> > > the config drive, they need specify it in the nova boot. Or is it
> > > because possibly user have no idea of the cloudinit installation in the
> > > image?
> >
> > It is possible for a cloud admin to have only provided images which
> > work with config drive. In that case the admin would want to force
> > config drive on, to ensure that instances always boot correctly.
> 
> So would it make sense to keep it as image property, instead of compute
> node config?
> 
> >
> > >         b) even if we want to force config drive, why it's a compute
> > node
> > > config instead of cloud wise config? Compute-node config will have
> > some
> > > migration issue per my understanding.
> >
> > That's a fair point. It should probably have been a flag on the api
> > servers. I'd file a bug for that one.
> 
> Thanks, and I can cook a patch for it. Still I think it will be better if we use
> image property?
> 
> --jyh
> 
> >
> > Michael
> >
> > --
> > Rackspace Australia
> >
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> > OpenStack-dev at lists.openstack.org
> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
> 
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