Bug 1281570 - [RFE][nova]: Versioned notification api
[RFE][nova]: Versioned notification api
Product: Red Hat OpenStack
Classification: Red Hat
Component: openstack-nova (Show other bugs)
7.0 (Kilo)
Unspecified Unspecified
low Severity medium
: ga
: 9.0 (Mitaka)
Assigned To: Eoghan Glynn
Prasanth Anbalagan
upstream_milestone_mitaka-3 upstream_...
: FutureFeature, TestOnly, Triaged, ZStream
: 1281569 (view as bug list)
Depends On:
Blocks: 1281573 1335634
  Show dependency treegraph
Reported: 2015-11-12 15:04 EST by Stephen Gordon
Modified: 2016-08-24 08:52 EDT (History)
14 users (show)

See Also:
Fixed In Version: openstack-nova-13.0.0-1.el7ost
Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2016-08-24 08:52:14 EDT
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
Category: ---
oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
OpenStack gerrit 224755 None None None Never
OpenStack gerrit 229881 None None None Never

  None (edit)
Description Stephen Gordon 2015-11-12 15:04:23 EST
Cloned from launchpad blueprint https://blueprints.launchpad.net/nova/+spec/versioned-notification-api.


Versioned notification API

Notification interface of nova is not well defined and the current
notifications define a very inconsistent interface. There is no easy
way to see from the notification consumer point of view what is the format
and the content of the notification nova sends.

Nova developers can add new notifications to the system without specifying
the format and the content of the notification.

Moreover developers can change existing notifications without considering
backward compatibility towards the notification consumers.

Due to this situation maintaining a consumer for nova notifications is really

Specification URL (additional information):

Comment 2 Mike McCune 2016-03-28 18:33:16 EDT
This bug was accidentally moved from POST to MODIFIED via an error in automation, please see mmccune@redhat.com with any questions
Comment 3 Stephen Gordon 2016-06-14 15:20:26 EDT
*** Bug 1281569 has been marked as a duplicate of this bug. ***
Comment 6 Stephen Gordon 2016-07-05 16:46:47 EDT
QE will need to verify that on an OSP-d deployment the notification_format is "both", per upstream.
Comment 9 Prasanth Anbalagan 2016-08-18 22:39:30 EDT
Verified as follows -

[root@serverA]# yum list installed | grep openstack-nova
openstack-nova-api.noarch            1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-cert.noarch           1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-common.noarch         1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-compute.noarch        1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-conductor.noarch      1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-console.noarch        1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-novncproxy.noarch     1:13.1.1-2.el7ost       @rhelosp-9.0-puddle
openstack-nova-scheduler.noarch      1:13.1.1-2.el7ost       @rhelosp-9.0-puddle


 from kombu import Connection, Exchange, Queue
from pprint import pprint

nova_x = Exchange('nova', type='topic', durable=False)
info_q = Queue('notifications.info', exchange=nova_x, durable=False,

def process_msg(body, message):
    print '='*80

with Connection('amqp://guest:guest@localhost:5672//') as conn:
    with conn.Consumer(info_q, callbacks=[process_msg]):
        while True:
            except KeyboardInterrupt:


[root@serverA]# nova keypair-add key1

{u'oslo.message': u'{"_context_domain": null, "_context_roles": ["admin"], "_context_quota_class": null, "event_type": "keypair.create.start", "_context_request_id": "req-cd6298a5-7f91-4d69-8c25-c65ae2b0b2c7", "_context_service_catalog": [{"endpoints": [{"adminURL": "", "region": "RegionOne", "internalURL": "", "publicURL": ""}], "type": "volumev2", "name": "cinderv2"}, {"endpoints": [{"adminURL": "", "region": "RegionOne", "internalURL": "", "publicURL": ""}], "type": "volume", "name": "cinder"}], "timestamp": "2016-08-19 02:31:20.956322", "_context_user": "fa7a009ef1ec4b208f2cf1e85f0aaa91", "_unique_id": "489759494a8d4f21b2705b52ad0fd5a5", "_context_resource_uuid": null, "_context_instance_lock_checked": false, "_context_user_id": "fa7a009ef1ec4b208f2cf1e85f0aaa91", "payload": {"tenant_id": "b03dfd4f822c466c8d965958ea6577d2", "user_id": "fa7a009ef1ec4b208f2cf1e85f0aaa91", "key_name": "key1"}, "_context_project_name": "admin", "_context_read_deleted": "no", "_context_user_identity": "fa7a009ef1ec4b208f2cf1e85f0aaa91 b03dfd4f822c466c8d965958ea6577d2 - - -", "_context_auth_token": "f4c6783ff01e4c618de2180ffcbe0a61", "_context_show_deleted": false, "_context_tenant": "b03dfd4f822c466c8d965958ea6577d2", "priority": "INFO", "_context_read_only": false, "_context_is_admin": true, "_context_project_id": "b03dfd4f822c466c8d965958ea6577d2", "_context_project_domain": null, "_context_timestamp": "2016-08-19T02:31:20.814801", "_context_user_domain": null, "_context_user_name": "admin", "publisher_id": "api.rhos-compute-node-02.lab.eng.rdu2.redhat.com", "message_id": "40918c6d-7edb-433b-935a-bb3b8bc7ecc2", "_context_remote_address": ""}',
 u'oslo.version': u'2.0'}
Comment 11 errata-xmlrpc 2016-08-24 08:52:14 EDT
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.


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