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Reviewed:  https://review.opendev.org/687538
Committed: https://git.openstack.org/cgit/openstack/neutron-vpnaas/commit/?id=e0fb6700b16d4307db033173a1ca330e6ea02ca2
Submitter: Zuul
Branch:    master

commit e0fb6700b16d4307db033173a1ca330e6ea02ca2
Author: Dmitriy Rabotyagov <drabotyagov@xxxxxxxxxxxx>
Date:   Fri Oct 11 13:26:52 2019 +0300

    Run neutron-vpn-netns-wrapper in venv
    
    When neutron is installed inside venv, neutron-vpn-netns-wrapper
    is placed inside venv as well. Currently vpn creation will fail due to
    missing wrapper inside $PATH. So we should respect venvs and launch
    neutron-vpn-netns-wrapper from the venv when applicable.
    
    Closes-Bug: 1848201
    Change-Id: I9c50bfc2cefdd97c6d54e8bfabe97748c8dfce13


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1848201

Title:
  [neutron-vpnaas] Neutron installed inside venv makes VPNaaS broken

Status in neutron:
  Fix Released

Bug description:
  As location of NS_WRAPPER [1] is not aboslute and relies on $PATH in
  the situation when neutron and vpnaas is installed inside virtualenv,
  NS_WRAPPER won't be able to launch as it won't be found in $PATH which
  will cause a failure:

  2019-10-08 17:37:11.619 17205 ERROR neutron.agent.linux.utils [-] Exit
  code: 1; Stdin: ; Stdout: ; Stderr: exec of "neutron-vpn-netns-
  wrapper" failed: No such file or directory

  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec [-] Failed to enable vpn process on router 19514b2a-95bc-499f-9590-a5014ca04e7f: ProcessExecutionError: Exit code: 1; Stdin: ; Stdout: ; Stderr: exec of "neutron-vpn-netns-wrapper" failed: No such file or directory
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec Traceback (most recent call last):
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec   File "/openstack/venvs/neutron-19.0.0.0b2.dev70/lib/python2.7/site-packages/neutron_vpnaas/services/vpn/device_drivers/ipsec.py", line 336, in enable
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec     self.ensure_configs()
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec   File "/openstack/venvs/neutron-19.0.0.0b2.dev70/lib/python2.7/site-packages/neutron_vpnaas/services/vpn/device_drivers/libreswan_ipsec.py", line 91, in ensure_configs
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec     self._ipsec_execute(['_stackmanager', 'start'])
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec   File "/openstack/venvs/neutron-19.0.0.0b2.dev70/lib/python2.7/site-packages/neutron_vpnaas/services/vpn/device_drivers/libreswan_ipsec.py", line 52, in _ipsec_execute
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec     extra_ok_codes=extra_ok_codes)
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec   File "/openstack/venvs/neutron-19.0.0.0b2.dev70/lib/python2.7/site-packages/neutron/agent/linux/ip_lib.py", line 788, in execute
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec     run_as_root=run_as_root)
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec   File "/openstack/venvs/neutron-19.0.0.0b2.dev70/lib/python2.7/site-packages/neutron/agent/linux/utils.py", line 147, in execute
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec     returncode=returncode)
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec ProcessExecutionError: Exit code: 1; Stdin: ; Stdout: ; Stderr: exec of "neutron-vpn-netns-wrapper" failed: No such file or directory
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec 
  2019-10-08 17:37:11.620 17205 ERROR neutron_vpnaas.services.vpn.device_drivers.ipsec 


  
  [1] https://opendev.org/openstack/neutron-vpnaas/src/branch/master/neutron_vpnaas/services/vpn/device_drivers/libreswan_ipsec.py#L22

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