[Bug 1746992] Re: [SRU] gnocchi-api in Bionic uses python3, and libapache2-mod-wsgi-py3 conflicts with the python 2 version

[pablobrunetti]

This new package works in Ubuntu 16.04(Xenial)?
I tested this new package, but an error occurred.

2018-07-19 14:24:20.189154 mod_wsgi (pid=17181): Target WSGI script '/usr/bin/gnocchi-api' cannot be loaded as Python module.
2018-07-19 14:24:20.189172 mod_wsgi (pid=17181): Exception occurred processing WSGI script '/usr/bin/gnocchi-api'.
2018-07-19 14:24:20.189196 Traceback (most recent call last):
2018-07-19 14:24:20.189217   File "/usr/bin/gnocchi-api", line 20, in <module>
2018-07-19 14:24:20.189250     from gnocchi.cli import api
2018-07-19 14:24:20.189271 ImportError: No module named gnocchi.cli

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https://bugs.launchpad.net/bugs/1746992

Title:
  [SRU] gnocchi-api in Bionic uses python3, and libapache2-mod-wsgi-py3
  conflicts with the python 2 version

Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive queens series:
  Triaged
Status in Ubuntu Cloud Archive rocky series:
  Fix Committed
Status in gnocchi package in Ubuntu:
  Fix Released
Status in gnocchi source package in Bionic:
  Fix Committed
Status in gnocchi source package in Cosmic:
  Fix Released

Bug description:
  Since the two wsgi modules are conflicting, installing gnocchi-api
  breaks other OpenStack services.

  [Impact]
  Installation of gnocchi-api (which is currently py3 only) on the same machine as other OpenStack services that are py2 only causes conflicts. libapache2-mod-wsgi-py3 and libapache2-mod-wsgi conflict with each other.

  [Test Case]
  Ensure cinder-api (py2 only atm) and gnocchi-api (with new py2 alternatives) can be installed on the same machine.

  [Regression Potential]
  Low. This doesn't make any changes to the existing py3 version of gnocchi-api. It only adds alternatives that enable a py2 version of gnocchi-api.

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