[Bug 1835354] Re: disco: ceph-mgr unable to load crash module under py3

[James Page]

Hello James, or anyone else affected,

Accepted ceph into stein-proposed. The package will build now and be
available in the Ubuntu Cloud Archive in a few hours, and then in the
-proposed repository.

Please help us by testing this new package. To enable the -proposed
repository:

  sudo add-apt-repository cloud-archive:stein-proposed
  sudo apt-get update

Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-stein-needed to verification-stein-done. If it does
not fix the bug for you, please add a comment stating that, and change
the tag to verification-stein-failed. In either case, details of your
testing will help us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!

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

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

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

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

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

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

** Tags added: verification-stein-needed

** Changed in: cloud-archive/train
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1835354

Title:
  disco: ceph-mgr unable to load crash module under py3

Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive stein series:
  Fix Committed
Status in Ubuntu Cloud Archive train series:
  Fix Released
Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Disco:
  Fix Committed
Status in ceph source package in Eoan:
  Fix Released

Bug description:
  [Impact]
  ceph-mgr daemon is unable to load the crash module due.

  [Test Case]
  Deploy ceph
  Check ceph-mgr log file
  Syntax error will be seen

  [Regression Potential]
  Minimal; python 3 syntax changes are well understood and this fix is already in the newer ceph release in eoan.

  [Original Bug Report]
  On startup the ceph-mgr daemon fails to load the crash module due to invalid Python 3 syntax:

  2019-07-04 04:11:54.533 7f1af75ab300  1 mgr[py] Loading python module 'crash'
  2019-07-04 04:11:54.605 7f1af75ab300 -1 mgr[py] Module not found: 'crash'
  2019-07-04 04:11:54.605 7f1af75ab300 -1 mgr[py] Traceback (most recent call last):

    File "/usr/lib/x86_64-linux-gnu/ceph/mgr/crash/__init__.py", line 1, in <module>
      from .module import Module
    File "/usr/lib/x86_64-linux-gnu/ceph/mgr/crash/module.py", line 48
      def inner((_, meta)):
                ^
  SyntaxError: invalid syntax

  Looking at the history for this module there are a number of
  syntax/compat fixes for Python3:

  https://github.com/ceph/ceph/commit/9aa1d49583ae8fb658967c054247cac6ec2125ab#diff-9433ab33e8bbf1048734205a3a1141ed
  https://github.com/ceph/ceph/commit/bcf0f4df2db8b51c58e5ca4d411d05e2a4d081ab#diff-9433ab33e8bbf1048734205a3a1141ed
  https://github.com/ceph/ceph/commit/6dc95544512362c202535139c323717ec867e20b#diff-9433ab33e8bbf1048734205a3a1141ed

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