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[Bug 1658060] Re: FirewallNotFound exceptions when deleting the firewall in FWaaS-DVR

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Kevin Benton <1658060@xxxxxxxxxxxxxxxxxx>
Date: Tue, 21 Mar 2017 08:26:34 -0000
Reply-to: Bug 1658060 <1658060@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug has had a related patch abandoned and has been automatically
un-assigned due to inactivity. Please re-assign yourself if you are
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** Changed in: neutron
       Status: Fix Released => New

** Changed in: neutron
     Assignee: Yaohua Yan (sleepdream) => (unassigned)

** Tags added: timeout-abandon

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https://bugs.launchpad.net/bugs/1658060

Title:
  FirewallNotFound exceptions when deleting the firewall in FWaaS-DVR

Status in neutron:
  New

Bug description:
  We have four nodes, and we deploy both the FWaaS and DVR services.
  When deleting the firewall, we always get three FirewallNotFound
  exceptions. At present, we believe that, in DVR environment, evey node
  would run a L3-agent service. This causes a plugin corresponding to
  multiple agents. And each agent will call back the plugin's
  firewall_deleted() (neutron_fwaas/services/firewall/fwaas_plugin.py)
  to delete the instance in DB, but only the first agent will succeed.

  How to reproduce:
  - first create a firewall applied to a DVR router
  - then delete it

  $ neutron router-show test-fwaas
  +-----------------------+--------------------------------------+
  | Field                 | Value                                |
  +-----------------------+--------------------------------------+
  | admin_state_up        | True                                 |
  | distributed           | True                                 |
  | external_gateway_info |                                      |
  | ha                    | False                                |
  | id                    | cfa3e65e-d101-4cc7-80e5-39daf72c6572 |
  | name                  | test-fwaas                           |
  | routes                |                                      |
  | status                | ACTIVE                               |
  | tenant_id             | fc170b1b8a9a467b9e1a63d85ced5a86     |
  +-----------------------+--------------------------------------+
  $ neutron firewall-create --name fw --router test-fwaas policy
  Created a new firewall:
  +--------------------+--------------------------------------+
  | Field              | Value                                |
  +--------------------+--------------------------------------+
  | admin_state_up     | True                                 |
  | description        |                                      |
  | firewall_policy_id | 1eb3fff7-240f-4f9d-adf6-766e2cad7f59 |
  | id                 | afd38a9e-cf0a-4667-94e0-853a888fd981 |
  | name               | fw                                   |
  | router_ids         | cfa3e65e-d101-4cc7-80e5-39daf72c6572 |
  | status             | CREATED                              |
  | tenant_id          | fc170b1b8a9a467b9e1a63d85ced5a86     |
  +--------------------+--------------------------------------+
  $ neutron firewall-show fw
  +--------------------+--------------------------------------+
  | Field              | Value                                |
  +--------------------+--------------------------------------+
  | admin_state_up     | True                                 |
  | description        |                                      |
  | firewall_policy_id | 1eb3fff7-240f-4f9d-adf6-766e2cad7f59 |
  | id                 | afd38a9e-cf0a-4667-94e0-853a888fd981 |
  | name               | fw                                   |
  | router_ids         | cfa3e65e-d101-4cc7-80e5-39daf72c6572 |
  | status             | ACTIVE                               |
  | tenant_id          | fc170b1b8a9a467b9e1a63d85ced5a86     |
  +--------------------+--------------------------------------+
  $ neutron firewall-delete fw

  $ less neutron-service_error.log
  2017-01-20 19:46:11.593 19338 ERROR oslo_messaging.rpc.dispatcher [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Exception during message handling: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher     fw_db = self.plugin._get_firewall(context, firewall_id)
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher     raise fw_ext.FirewallNotFound(firewall_id=id)
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.593 19338 TRACE oslo_messaging.rpc.dispatcher
  2017-01-20 19:46:11.594 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Returning exception Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found. to caller
  2017-01-20 19:46:11.594 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] ['Traceback (most recent call last):\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatc
  h_and_reply\n    executor_callback))\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch\n    executor_callback)\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rp
  c/dispatcher.py", line 130, in _do_dispatch\n    result = func(ctxt, **new_args)\n', '  File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted\n    fw_db = self.plugin._get_firewall(context, firewall_id)\n', '  Fi
  le "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall\n    raise fw_ext.FirewallNotFound(firewall_id=id)\n', 'FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.\n']
  2017-01-20 19:46:11.595 19338 ERROR oslo_messaging.rpc.dispatcher [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Exception during message handling: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher     fw_db = self.plugin._get_firewall(context, firewall_id)
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher     raise fw_ext.FirewallNotFound(firewall_id=id)
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.595 19338 TRACE oslo_messaging.rpc.dispatcher
  2017-01-20 19:46:11.596 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Returning exception Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found. to caller
  2017-01-20 19:46:11.596 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] ['Traceback (most recent call last):\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatc
  h_and_reply\n    executor_callback))\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch\n    executor_callback)\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rp
  c/dispatcher.py", line 130, in _do_dispatch\n    result = func(ctxt, **new_args)\n', '  File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted\n    fw_db = self.plugin._get_firewall(context, firewall_id)\n', '  Fi
  le "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall\n    raise fw_ext.FirewallNotFound(firewall_id=id)\n', 'FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.\n']
  2017-01-20 19:46:11.599 19338 ERROR oslo_messaging.rpc.dispatcher [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Exception during message handling: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last):
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback))
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher     executor_callback)
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher     result = func(ctxt, **new_args)
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher     fw_db = self.plugin._get_firewall(context, firewall_id)
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher   File "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher     raise fw_ext.FirewallNotFound(firewall_id=id)
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.
  2017-01-20 19:46:11.599 19338 TRACE oslo_messaging.rpc.dispatcher
  2017-01-20 19:46:11.600 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] Returning exception Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found. to caller
  2017-01-20 19:46:11.600 19338 ERROR oslo_messaging._drivers.common [req-c4af8425-b05a-4c4e-98e0-4dabe0057df7 ] ['Traceback (most recent call last):\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply\n    executor_callback))\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch\n    executor_callback)\n', '  File "/opt/openstack/.venv/local/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch\n    result = func(ctxt, **new_args)\n', '  File "/opt/openstack/neutron-fwaas/neutron_fwaas/services/firewall/fwaas_plugin.py", line 67, in firewall_deleted\n    fw_db = self.plugin._get_firewall(context, firewall_id)\n', '  File "/opt/openstack/neutron-fwaas/neutron_fwaas/db/firewall/firewall_db.py", line 101, in _get_firewall\n    raise fw_ext.FirewallNotFound(firewall_id=id)\n', 'FirewallNotFound: Firewall afd38a9e-cf0a-4667-94e0-853a888fd981 could not be found.\n']

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References

[Bug 1658060] [NEW] FirewallNotFound exceptions when deleting the firewall in FWaaS-DVR
From: Yaohua Yan, 2017-01-20