Public bug reported:
On the latest update of the Ubuntu OpenStack packages, it was discovered
that the nova-compute/nova-conductor (1:2014.1.4-0ubuntu2.1) packages
encountered a bug with using SSL to connect to rabbitmq.
When this problem occurs, the compute node cannot connect to the
controller, and this message is constantly displayed:
WARNING nova.conductor.api [req-4022395c-9501-47cf-bf8e-476e1cc58772
None None] Timed out waiting for nova-conductor. Is it running? Or did
this service start before nova-conductor?
Investigation revealed that having rabbitmq configured with SSL was the
root cause of this problem. This seems to have been introduced with the
current version of the nova packages. Rabbitmq was not updated as part
of this distribution update, but the messaging library (python-
oslo.messaging 1.3.0-0ubuntu1.1) was updated. So the problem could
exist in any of these components.
Versions installed:
Openstack version: Icehouse
Ubuntu 14.04.2 LTS
nova-conductor 1:2014.1.4-0ubuntu2.1
nova-compute 1:2014.1.4-0ubuntu2.1
rabbitmq-server 3.2.4-1
openssl:amd64/trusty-security 1.0.1f-1ubuntu2.15
** Affects: nova
Importance: Undecided
Status: New
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1472712
Title:
Using SSL with rabbitmq prevents communication between nova-compute
and conductor after latest nova updates
Status in OpenStack Compute (Nova):
New
Bug description:
On the latest update of the Ubuntu OpenStack packages, it was
discovered that the nova-compute/nova-conductor
(1:2014.1.4-0ubuntu2.1) packages encountered a bug with using SSL to
connect to rabbitmq.
When this problem occurs, the compute node cannot connect to the
controller, and this message is constantly displayed:
WARNING nova.conductor.api [req-4022395c-9501-47cf-bf8e-476e1cc58772
None None] Timed out waiting for nova-conductor. Is it running? Or did
this service start before nova-conductor?
Investigation revealed that having rabbitmq configured with SSL was
the root cause of this problem. This seems to have been introduced
with the current version of the nova packages. Rabbitmq was not
updated as part of this distribution update, but the messaging library
(python-oslo.messaging 1.3.0-0ubuntu1.1) was updated. So the problem
could exist in any of these components.
Versions installed:
Openstack version: Icehouse
Ubuntu 14.04.2 LTS
nova-conductor 1:2014.1.4-0ubuntu2.1
nova-compute 1:2014.1.4-0ubuntu2.1
rabbitmq-server 3.2.4-1
openssl:amd64/trusty-security 1.0.1f-1ubuntu2.15
To manage notifications about this bug go to:
https://bugs.launchpad.net/nova/+bug/1472712/+subscriptions
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