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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: oslo
       Status: Fix Committed => Fix Released

** Changed in: oslo
    Milestone: None => grizzly-3

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https://bugs.launchpad.net/bugs/1107950

Title:
  Quantum L3 agent is using /usr/share/pyshared for locking

Status in Oslo - a Library of Common OpenStack Code:
  Fix Released
Status in OpenStack Quantum (virtual network service):
  Fix Released

Bug description:
  2013-01-28 15:35:21.702 734 DEBUG quantum.agent.linux.utils [-] Running command: ['sudo', '/usr/bin/quantum-rootwrap', '/etc/quantum/rootwrap.conf', 'ip', 'netns', 'exec', 'qrouter-a4c9fef2-eea2-4a9a-b5b1-53c86b188a16', 'sysctl', '-w', 'net.ipv4.ip_forward=1'] execute /usr/lib/python2.7/dist-packages/quantum/agent/linux/utils.py:41
  2013-01-28 15:35:21.853 734 DEBUG quantum.agent.linux.utils [-]
  Command: ['sudo', '/usr/bin/quantum-rootwrap', '/etc/quantum/rootwrap.conf', 'ip', 'netns', 'exec', 'qrouter-a4c9fef2-eea2-4a9a-b5b1-53c86b188a16', 'sysctl', '-w', 'net.ipv4.ip_forward=1']
  Exit code: 0
  Stdout: 'net.ipv4.ip_forward = 1\n'
  Stderr: '' execute /usr/lib/python2.7/dist-packages/quantum/agent/linux/utils.py:58
  2013-01-28 15:35:21.855 734 DEBUG quantum.openstack.common.lockutils [-] Got semaphore "iptables" for method "_apply"... inner /usr/lib/python2.7/dist-packages/quantum/openstack/common/lockutils.py:186
  2013-01-28 15:35:21.856 734 DEBUG quantum.openstack.common.lockutils [-] Attempting to grab file lock "iptables" for method "_apply"... inner /usr/lib/python2.7/dist-packages/quantum/openstack/common/lockutils.py:190
  2013-01-28 15:35:21.857 734 DEBUG quantum.openstack.common.lockutils [-] Released file lock "iptables" at /usr/lib/python2.7/dist-packages/quantum/openstack/quantum-iptables for method "_apply"... inner /usr/lib/python2.7/dist-packages/quantum/openstack/common/lockutils.py:227
  2013-01-28 15:35:21.858 734 ERROR quantum.agent.l3_agent [-] Failed synchronizing routers
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent Traceback (most recent call last):
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/agent/l3_agent.py", line 603, in _sync_routers_task
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     self._process_routers(routers)
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/agent/l3_agent.py", line 584, in _process_routers
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     self._router_added(r['id'])
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/agent/l3_agent.py", line 228, in _router_added
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     ri.iptables_manager.apply()
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/agent/linux/iptables_manager.py", line 291, in apply
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     self._apply()
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/openstack/common/lockutils.py", line 215, in inner
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     with lock:
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent   File "/usr/lib/python2.7/dist-packages/quantum/openstack/common/lockutils.py", line 75, in __enter__
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent     self.lockfile = open(self.fname, 'w')
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent IOError: [Errno 13] Permission denied: '/usr/lib/python2.7/dist-packages/quantum/openstack/quantum-iptables'
  2013-01-28 15:35:21.858 734 TRACE quantum.agent.l3_agent

  
  gonysh @ freenode had the same problem with the lock occuring in the lib dir instead of in say /var/lock or /var/X...

  Is this intentional during development or?

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