I believe '.exists' is sent via a periodic update in compute.manager.
On 03/27/2012 12:08 PM, Leander Bessa wrote: > Hello, > > I've been following this topic and i've been trying to receive the > notifications directly from rabbitmq with python+pika. So i far > i've managed to receive the start/terminate events and everything in > between. What i am unable to find though is the topic regarding > _compute.instance.exists_ > from http://wiki.openstack.org/SystemUsageData. Does this even exist, or > is there some extra configuration required with nova? > > Regards, > > Leander > > On Mon, Mar 26, 2012 at 4:54 PM, Russell Bryant <rbry...@redhat.com > <mailto:rbry...@redhat.com>> wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 03/26/2012 11:48 AM, Russell Bryant wrote: > > On 03/26/2012 10:15 AM, Rogério Vinhal Nunes wrote: > >> Hello, > >> > >> I'm developing a application to work along with openstack. My > >> application needs to keep track of all instances being started > >> or terminated such as feeding it information about the location, > >> status and other information about launched and terminated > >> instances. The current version makes timed queries to OpenStack > >> database, but this is showing to be a little consuming and > >> inefficient, so I would like to add a portion of code to make > >> OpenStack actively feed my application information whenever an > >> instance changes its status or location. > >> > >> What is the least intrusive way to do that? It would be very nice > >> if OpenStack provided a way to run code on these situations > >> without actually changing any code, such as defining a directory > >> of scripts to run in every instance status change. > > > > Check out the notifications system: > > > > http://wiki.openstack.org/NotificationSystem > > > > That wasn't the page I thought it was ... I meant: > > http://wiki.openstack.org/SystemUsageData > > You can consume these events via AMQP if you configure nova to use the > rabbit notifier. > > - -- > Russell Bryant > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk9wkSgACgkQFg9ft4s9SAYFuACfUu23qtxiH6WLCJNyd9gBf8i1 > FwQAnifjwWkFHYxo+KhYt8TAWEzTaMYZ > =UWlH > -----END PGP SIGNATURE----- > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > <mailto:openstack@lists.launchpad.net> > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > > > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp _______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
