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Re: instance event subscription?

 

Hello Andrew,

as we could find in the notification system wiki <http://wiki.openstack.org/NotificationSystem>, we had to add the flag (--notification_driver=nova.notifier.rabbit_notifier) in all modules configuration ( /etc/nova/nova-network.conf, nova-compute.conf, nova-volume.conf). And restart them.

Then you can consume from the exchange name "nova" (in the rabbitmq server) the create/delete events. You can see the following example from my system:

{
 "_context_roles": [],
 "_context_request_id": "80ad9bd1-b68d-4484-be3f-6525b2f57b8f",
 "event_type": "compute.instance.create",
 "timestamp": "2012-01-13 11:39:55.946786",
 "_context_auth_token": null,
 "_context_user_id": null,
 "payload": {
 		"display_name": "one instance",
 		"created_at": "2012-01-13 11:39:52",
 		"instance_type_id": 2,
 		"instance_id": 14,
 		"instance_type": "m1.tiny",
 		"image_ref": "9",
 		"user_id": "admin",
 		"project_id": "2",
 		"launched_at": ""
 		},
"_context_read_deleted": false,
"priority": "INFO",
"_context_strategy": "noauth",
"_context_is_admin": true,
"_context_project_id": null,
"_context_timestamp": "2012-01-13T11:39:55.946820",
"publisher_id": "compute.nova-controller",
"message_id": "3dc192a1-c263-46d4-bde1-94406978517f",
"_context_remote_address": null
}

This is what I have found for the moment in the Diablo release.

Regards
--

Juan Antonio García Lebrijo
*Senior Developer / Software Architect*
*www.stackops.com* <http://www.stackops.com/> *| * juan.lebrijo@xxxxxxxxxxxx <mailto:juan.lebrijo@xxxxxxxxxxxx>| skype:juan.lebrijo.stackops

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On 02/13/2012 04:05 PM, Andrew Bogott wrote:
Is there a way to subscribe to nova events so that I get notified of instance changes? For example, I'd like to know when a server changes state from 'Build' to 'Active'.

If there isn't, would the addition of such a facility be welcome?

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