I'm having a hard time understanding the original problem. nova boot should return in milliseconds. There's no blocking on provisioning.
- Chris On Apr 3, 2013, at 8:32 PM, Rafael Rosa <rafaelros...@gmail.com> wrote: > API wise I was thinking about something like "nova boot > --custom-instance-uuid ABC..." or something like that. To avoid problems with > any current implementation I would set it to disabled by default and add a > config option to enable it. > > As for collisions, my take is that if you're passing a custom UUID you know > what you're doing and is generating them in a way that won't be duplicated. > Just by using standard UUID generators the possibility of collisions are > really really small. > > Thanks for the feeback :) > > Rafael Rosa Fu > > > 2013/4/3 Michael Still <mi...@stillhq.com> >> On Thu, Apr 4, 2013 at 9:16 AM, Rafael Rosa <rafaelros...@gmail.com> wrote: >> > Hi, >> > >> > In our OpenStack installation we have an issue when creating new instances, >> > we need to execute some long running processes before calling "nova boot" >> > and the call blocks for the end user for a while. We would like to return >> > "immediately" to the caller with a final instance UUID and do the work on >> > the background, but it's only generated when during actual instance >> > creation, which is a no go in our situation. >> >> The instance_create database call already accepts an instance UUID as >> an argument, so that bit looks like it should work out well for you. >> So, I guess this is mostly a case of working out how you want the API >> to work. >> >> Personally, I would have no problem with something like this, so long >> as we could somehow "reserve" the instance UUID so that another caller >> doesn't try and create an instance with the same UUID while you're >> doing your slow thing. >> >> Cheers, >> Michael > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp
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