Fix merged to nova (master):
https://github.com/openstack/nova/commit/b4826d85c25a56ad95ffb76c467cdb459daba0c4
** Changed in: nova
Status: Triaged => Fix Committed
** Changed in: nova
Assignee: (unassigned) => Michael Still (mikalstill)
** Changed in: nova
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1172922
Title:
Nova and quantum don't close qpid connections after certain error
conditions
Status in OpenStack Neutron (virtual network service):
Fix Released
Status in neutron grizzly series:
Fix Released
Status in OpenStack Compute (Nova):
Fix Released
Status in OpenStack Compute (nova) grizzly series:
In Progress
Status in Oslo - a Library of Common OpenStack Code:
Fix Released
Bug description:
In conditions where nova gets a connection to qpid but there is a
problem at the application layer (such as a bad qpid password is
specified), nova will continuously retry the connection without
closing previous connections.
Steps to reproduce:
- Preconditions: At least 1 nova compute node using qpid for messaging, with
authentication turned on.
- Specify a wrong qpid password in nova.conf on the compute node
- nova will continuously retry with the wrong password and print errors such
as this to the compute log:
2013-04-25 16:37:52.269 ERROR nova.openstack.common.rpc.impl_qpid
[req-1d15f33c-5b2d-4ee1-aaa1-ab0140a56608 None None] Unable to connect to AMQP
server: connection-forced: Authentication failed(320). Sleeping 60 seconds
- Each time nova retries the connection, it will create another connection to
qpid and not close the previous connections.
I think this exception case needs to be updated in
https://github.com/openstack/nova/blob/master/nova/openstack/common/rpc/impl_qpid.py
to close the connection:
except qpid_exceptions.ConnectionError, e:
msg_dict = dict(e=e, delay=delay)
msg = _("Unable to connect to AMQP server: %(e)s. "
"Sleeping %(delay)s seconds") % msg_dict
LOG.error(msg)
time.sleep(delay)
delay = min(2 * delay, 60)
Note that quantum uses the same code for qpid.
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