If thats true, then it could probably be changed and a note placed in the release/migration notes.
Thanks, Kevin ________________________________ From: Chris Friesen Sent: Thursday, May 21, 2015 4:18:20 PM To: openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [Nova][libvirt] Understand why we lookup libvirt domains by instance name On 05/21/2015 03:42 PM, Mathieu Gagné wrote: > On 2015-05-21 3:38 PM, Chris Friesen wrote: >> On 05/21/2015 03:20 PM, Mathieu Gagné wrote: >>> On 2015-05-21 3:13 AM, Daniel P. Berrange wrote: >>>> You do know you can configure the instance name used... >>>> >>>> eg in nova.conf >>>> >>>> instance_name_template='inst-%(uuid)s' >>>> >>> >>> Please note that you CANNOT change instance_name_template ones instances >>> are created otherwise they become unmanageable by Nova. This is because >>> Nova tries to find the libvirt instance by its name instead of its UUID. >>> So since instances were spawned with the old value, it won't find >>> existing instances using the new value. >>> >>> And no, I haven't found a way to rename an instance without >>> redefining/restarting it in libvirt. >> >> Is there any reason why we couldn't default to using something like >> 'inst-%(uuid)s' for the instance name? >> > > I guess it's for the reason I mentioned above: > > To not break all OpenStack installations on Earth running with default > config values. > So that's not breaking *upgrades* of all OpenStack installations with default config values, which is a slightly different thing. Chris __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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