[Bug 1026621] [NEW] nova-network gets release_fixed_ip events from someplace, but the database still keeps them associated with instances
Nick Moffitt
nick.moffitt at canonical.com
Thu Jul 19 14:02:47 UTC 2012
Public bug reported:
We've been seeing a lot of instances simply vanish from the network.
Usually people have been willing to work around this by simply rebooting
or re-creating their instances, but it's troubling for long-running
instances (especially those that have volumes associated).
Here's the relevant bit of nova-network.log for one of these:
2012-07-16 14:06:32 DEBUG nova.rpc.amqp [-] received {u'_context_roles': [u'admin'], u'_context_request_id': u'req-d0905711-c4d1-4452-a3b2-46815d1983d7', u'_context_read_deleted': u'no', u'args': {u'address': u'10.55.60.141'}, u'_context_auth_token': '<SANITIZED>', u'_context_is_admin': True, u'_context_project_id': None, u'_context_timestamp': u'2012-07-16T14:06:32.169100', u'_context_user_id': None, u'method': u'release_fixed_ip', u'_context_remote_address': None} from (pid=493) _safe_log /usr/lib/python2.7/dist-packages/nova/rpc/common.py:160
2012-07-16 14:06:32 DEBUG nova.rpc.amqp [req-d0905711-c4d1-4452-a3b2-46815d1983d7 None None] unpacked context: {'user_id': None, 'roles': [u'admin'], 'timestamp': '2012-07-16T14:06:32.169100', 'auth_token': '<SANITIZED>', 'remote_address': None, 'is_admin': True, 'request_id': u'req-d0905711-c4d1-4452-a3b2-46815d1983d7', 'project_id': None, 'read_deleted': u'no'} from (pid=493) _safe_log /usr/lib/python2.7/dist-packages/nova/rpc/common.py:160
2012-07-16 14:06:32 DEBUG nova.network.manager [req-d0905711-c4d1-4452-a3b2-46815d1983d7 None None] Released IP |10.55.60.141| from (pid=493) release_fixed_ip /usr/lib/python2.7/dist-packages/nova/network/manager.py:1260
Then the dhcpbridge shows it being revoked:
2012-07-16 14:04:29 DEBUG nova.dhcpbridge [-] Called 'old' for mac 'fa:16:3e:11:c5:37' with ip '10.55.60.141' from (pid=23699) main /usr/bin/nova-dhcpbridge:113
2012-07-16 14:06:32 DEBUG nova.dhcpbridge [-] Called 'del' for mac 'fa:16:3e:11:c5:37' with ip '10.55.60.141' from (pid=24946) main /usr/bin/nova-dhcpbridge:113
Is there any way we can find out what might have placed the
release_fixed_ip event on the message queue? There doesn't seeem to be
any other mention of the IP in the nova logs on any of our systems.
** Affects: nova (Ubuntu)
Importance: Undecided
Status: New
** Tags: canonistack
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https://bugs.launchpad.net/bugs/1026621
Title:
nova-network gets release_fixed_ip events from someplace, but the
database still keeps them associated with instances
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