[Bug 2150665] Re: cephadm: missing Depends on python3-ceph-common

[Launchpad Bug Tracker]

This bug was fixed in the package ceph - 20.2.1-0ubuntu1

---------------
ceph (20.2.1-0ubuntu1) stonking; urgency=medium

  * New upstream point release (LP: #2151199)
  * d/p/*: Refresh.
  * d/p/boost-resolute-fix.patch: Add fix for RGW crash (LP: #2154304)
  * d/p/cephadm-pyo3-fix.patch: Fix issue with pyo3 and cephadm (LP: #2150762)
  * d/p/fix-ceph-volume-argparse.patch: Fix issue with ceph-volume argument parsing.
  * d/p/cephadm-id-fix.patch: Fix expected UID/GID for cephadm (LP: #2152460)
  * d/p/pyo3-fix.patch: Removed, no longer needed.
  * d/p/CVE-2024-31884.patch: Removed, no longer needed.
  * d/p/snapshot-upgrade-fix.patch: Removed, no longer needed
  * d/control: Update dependencies for cephadm (LP: #2150665)
  * d/crimson-osd.install: Removed, no longer needed.
  * d/libsqlite3-mod-ceph.symbols: New file with debug symbols.

 -- Luciano Lo Giudice <luciano.logiudice at canonical.com>  Mon, 28 Apr
2026 20:04:03 -0300

** Changed in: ceph (Ubuntu Stonking)
       Status: In Progress => Fix Released

** CVE added: https://cve.org/CVERecord?id=CVE-2024-31884

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https://bugs.launchpad.net/bugs/2150665

Title:
  cephadm: missing Depends on python3-ceph-common

Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Resolute:
  In Progress
Status in ceph source package in Stonking:
  Fix Released

Bug description:
  [ Impact ]

   * cephadm fails to run due to the following missing dependencies:
  python3-ceph-common, python3-jmespath and python3-xmltodict.

   * The new packages will solve this by adding the necessary
  dependencies.

  [ Test Plan ]

   * In order to test this, the functional tests for Canonical's Ceph containers
     repository will be run (https://github.com/canonical/ceph-containers).

   * These tests involve using the cephadm tool for cluster deployment using
     Canonical's custom Ceph images.

   * If the new packages fix this issue, the tests will run to
  completion.

  [ Where problems could occur ]

   * cephadm is used as a simple tool to deploy Ceph clusters. Notably, neither
     the Ceph charms nor Microceph make use of it, but users of Ubuntu can make
     use of it independently.

   * Any problems with cephadm will thus prevent users from deploying their own
     Ceph clusters with the exceptions noted above

  [ Original description ]

  The cephadm binary package in resolute (20.2.0-0ubuntu2) imports
  ceph.cephadm.images at startup but does not declare a Depends on
  python3-ceph-common which provides that module. Running
  `cephadm bootstrap` (or any cephadm subcommand) on a fresh install
  fails immediately with:

    Traceback (most recent call last):
      File "/usr/sbin/cephadm", line 141, in <module>
        from cephadmlib import runscripts
      File "/usr/lib/python3/dist-packages/cephadmlib/runscripts.py", line 10, in <module>
        ...
      File "/usr/lib/python3/dist-packages/cephadmlib/container_types.py", line 12, in <module>
        from ceph.cephadm.images import DefaultImages
    ModuleNotFoundError: No module named 'ceph'

  Currently declared Depends are only `lvm2 | python3` per
  https://packages.ubuntu.com/resolute/cephadm.

  Reproducer (LXD VM):
    $ lxc launch --vm ubuntu:26.04 c1
    $ lxc shell c1 -- apt-get update
    $ lxc shell c1 -- apt-get install -y cephadm
    $ lxc shell c1 -- cephadm version
    ModuleNotFoundError: No module named 'ceph'

  Workaround:
    apt-get install -y cephadm python3-ceph-common

  Expected fix: add `python3-ceph-common (>= ${binary:Version})` to
  cephadm's Depends in debian/control. The squid (19.x) cephadm in noble
  shipped as a single-file script with no Python imports beyond the
  stdlib, so this regression is specific to the Tentacle refactor that
  moved logic into cephadmlib/ and ceph/cephadm/.

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