[Openstack] Quantum OVS over StackOPS

Alisson Soares Limeira Pontes apontes at cpqd.com.br
Wed Dec 21 10:35:18 UTC 2011

Hi everybody,

I am configuring nova to work with Quantum.
When aplying the configurations for the OVS plugin I face this error.

root at nova-compute-1:~# python ovs_quantum_agent.py ovs_quantum_plugin.ini

Traceback (most recent call last):
  File "ovs_quantum_agent.py", line 297, in <module>
    plugin = OVSQuantumAgent(integ_br)
  File "ovs_quantum_agent.py", line 175, in __init__
  File "ovs_quantum_agent.py", line 188, in setup_integration_br
  File "ovs_quantum_agent.py", line 89, in remove_all_flows
    self.run_ofctl("del-flows", [])
  File "ovs_quantum_agent.py", line 86, in run_ofctl
    return self.run_cmd(full_args)
  File "ovs_quantum_agent.py", line 58, in run_cmd
    p = Popen(args, stdout=PIPE)
  File "/usr/lib/python2.6/subprocess.py", line 633, in __init__
    errread, errwrite)
  File "/usr/lib/python2.6/subprocess.py", line 1139, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Anyone know why? The file /usr/lib/python2.6/subprocess.py does exists!
All steps before this (according to the OVS README) went well.
I am using Quantum 2012.1-e2-ubuntu2 and the StackOPS0.3.

Alisson Pontes
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