with nova's notification system.you can get instance action messages ref:http://wiki.openstack.org/NotificationSystem
2012/3/26 Rogério Vinhal Nunes <roge...@dcc.ufmg.br>: > 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. > > _______________________________________________ > 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