[Bug 1824231] [NEW] stein: package needs python3 shebang

[Corey Bryant]

Public bug reported:

The stein package for neutron-dynamic-routing is python3 only and the
binary package shebang is attempting to import python2 packages on
bionic.

$ head /usr/bin/neutron-bgp-dragent
#! /usr/bin/python
# PBR Generated from 'console_scripts'

import sys

from neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent import main


if __name__ == "__main__":
    sys.exit(main())


More details from charm-neutron-dynamic-routing bionic-stein function tests:

$ systemctl status neutron-bgp-dragent:
● neutron-bgp-dragent.service - OpenStack Neutron dynamic routing agent
   Loaded: loaded (/lib/systemd/system/neutron-bgp-dragent.service; enabled; vendor preset: enabled)
   Active: failed (Result: exit-code) since Wed 2019-04-10 19:50:20 UTC; 10min ago
  Process: 15965 ExecStart=/etc/init.d/neutron-bgp-dragent systemd-start (code=exited, status=1/FAILURE)
 Main PID: 15965 (code=exited, status=1/FAILURE)

Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Service hold-off time over, scheduling restart.
Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Scheduled restart job, restart counter is at 5.
Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: Stopped OpenStack Neutron dynamic routing agent.
Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Start request repeated too quickly.
Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Failed with result 'exit-code'.
Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: Failed to start OpenStack Neutron dynamic routing agent.

$ journalctl -x
...
Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]: Traceback (most recent call last):
Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]:   File "/usr/bin/neutron-bgp-dragent", line 6, in <module>
Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]:     from neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent import main
Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]: ImportError: No module named neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent

** Affects: cloud-archive
     Importance: High
         Status: Triaged

** Affects: cloud-archive/stein
     Importance: High
         Status: Triaged

** Affects: neutron-dynamic-routing (Ubuntu)
     Importance: High
         Status: Triaged

** Affects: neutron-dynamic-routing (Ubuntu Disco)
     Importance: High
         Status: Triaged

** Summary changed:

- stein: charm must use python3-neutron-dynamic-routing
+ stein: package needs python3 shebang

** Also affects: neutron-dynamic-routing (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: neutron-dynamic-routing (Ubuntu Disco)
   Importance: Undecided
       Status: New

** Changed in: neutron-dynamic-routing (Ubuntu Disco)
       Status: New => Triaged

** Changed in: neutron-dynamic-routing (Ubuntu Disco)
   Importance: Undecided => High

** Also affects: cloud-archive
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/stein
   Importance: Undecided
       Status: New

** Changed in: cloud-archive/stein
       Status: New => Triaged

** Changed in: cloud-archive/stein
   Importance: Undecided => High

** No longer affects: charm-neutron-dynamic-routing

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https://bugs.launchpad.net/bugs/1824231

Title:
  stein: package needs python3 shebang

Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive stein series:
  Triaged
Status in neutron-dynamic-routing package in Ubuntu:
  Triaged
Status in neutron-dynamic-routing source package in Disco:
  Triaged

Bug description:
  The stein package for neutron-dynamic-routing is python3 only and the
  binary package shebang is attempting to import python2 packages on
  bionic.

  $ head /usr/bin/neutron-bgp-dragent
  #! /usr/bin/python
  # PBR Generated from 'console_scripts'

  import sys

  from neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent import
  main

  
  if __name__ == "__main__":
      sys.exit(main())

  
  More details from charm-neutron-dynamic-routing bionic-stein function tests:

  $ systemctl status neutron-bgp-dragent:
  ● neutron-bgp-dragent.service - OpenStack Neutron dynamic routing agent
     Loaded: loaded (/lib/systemd/system/neutron-bgp-dragent.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Wed 2019-04-10 19:50:20 UTC; 10min ago
    Process: 15965 ExecStart=/etc/init.d/neutron-bgp-dragent systemd-start (code=exited, status=1/FAILURE)
   Main PID: 15965 (code=exited, status=1/FAILURE)

  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Service hold-off time over, scheduling restart.
  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Scheduled restart job, restart counter is at 5.
  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: Stopped OpenStack Neutron dynamic routing agent.
  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Start request repeated too quickly.
  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: neutron-bgp-dragent.service: Failed with result 'exit-code'.
  Apr 10 19:50:20 juju-a76d57-zaza-34a33df03f54-3 systemd[1]: Failed to start OpenStack Neutron dynamic routing agent.

  $ journalctl -x
  ...
  Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]: Traceback (most recent call last):
  Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]:   File "/usr/bin/neutron-bgp-dragent", line 6, in <module>
  Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]:     from neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent import main
  Apr 10 19:48:44 juju-a76d57-zaza-34a33df03f54-3 neutron-bgp-dragent[13815]: ImportError: No module named neutron_dynamic_routing.cmd.eventlet.agents.bgp_dragent

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