[Bug 2080208] Re: ceph-volume AttributeError EntryPoints

[Mauricio Faria de Oliveira]

Hello Peter, or anyone else affected,

Accepted ceph into noble-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/ceph/19.2.0-0ubuntu0.24.04.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  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, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

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

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: ceph (Ubuntu Noble)
       Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-noble

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https://bugs.launchpad.net/bugs/2080208

Title:
  ceph-volume AttributeError EntryPoints

Status in Ceph:
  Unknown
Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Noble:
  Fix Committed
Status in ceph source package in Oracular:
  Fix Released

Bug description:
  [Impact]
  ceph-volume tool is non-functional in proposed updates for Ubuntu 24.04 (19.2.0~rc2-0ubuntu0.24.04.1).

  
  [Test Case]
  sudo apt install ceph-volume
  sudo ceph-volume -h

  
  [Where things could go wrong]
  The upstream proposed fix has not yet been accepted and the patch does increase the code complexity in this area; fix has been tested in PPA prior to upload to reduce risk.

  
  [Original Bug Report]
  ceph-volume fails with an AttributeError, cf. below.

  I believe this might be due to importlib_metadata removing deprecated
  shims:

  https://importlib-
  metadata.readthedocs.io/en/latest/history.html#v5-0-0

  ```
  ubuntu at cunning-marmoset:~$ sudo ceph-volume -h
  exception caught by decorator
  Traceback (most recent call last):
    File "/usr/lib/python3/dist-packages/ceph_volume/decorators.py", line 59, in newfunc
      return f(*a, **kw)
             ^^^^^^^^^^^
    File "/usr/lib/python3/dist-packages/ceph_volume/main.py", line 118, in main
      self.enable_plugins()
    File "/usr/lib/python3/dist-packages/ceph_volume/main.py", line 83, in enable_plugins
      plugins = _load_library_extensions()
                ^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/usr/lib/python3/dist-packages/ceph_volume/main.py", line 188, in _load_library_extensions
      for ep in get_entry_points(group=group):
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/usr/lib/python3/dist-packages/ceph_volume/main.py", line 14, in get_entry_points
      return entry_points().get(group, [])  # type: ignore
             ^^^^^^^^^^^^^^^^^^
  AttributeError: 'EntryPoints' object has no attribute 'get'
  -->  AttributeError: 'EntryPoints' object has no attribute 'get'

  ubuntu at cunning-marmoset:~$ lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu Oracular Oriole (development branch)
  Release:	24.10
  Codename:	oracular

  ubuntu at cunning-marmoset:~$ apt-cache policy ceph-volume
  ceph-volume:
    Installed: 19.2.0~rc2-0ubuntu1
    Candidate: 19.2.0~rc2-0ubuntu1
    Version table:
   *** 19.2.0~rc2-0ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu oracular/main amd64 Packages
          100 /var/lib/dpkg/status

  ```

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