[Bug 1892448] Re: ceph 15.2.3-0ubuntu0.20.04.2 collides with ceph-deploy 2.0.1-0ubuntu1

[Eric Desrochers]

[VERIFICATION HIRSUTE]

Installation of both ceph and ceph-deploy went fine with the proposed
packages (version: 16.2.4-0ubuntu0.21.04.1). They are now co-
installable:

# dpkg
ii ceph 16.2.4-0ubuntu0.21.04.1 amd64 distributed storage and file system
ii ceph-base 16.2.4-0ubuntu0.21.04.1 amd64 common ceph daemon libraries and management tools
ii ceph-common 16.2.4-0ubuntu0.21.04.1 amd64 common utilities to mount and interact with a ceph storage cluster
ii ceph-deploy 2.0.1-0ubuntu1 all Ceph cluster deployment and configuration over ssh

# ceph-deploy:
/usr/lib/python3/dist-packages/ceph_deploy/util/pkg_managers.py
/usr/share/man
/usr/share/man/man8
/usr/share/man/man8/ceph-deploy.8.gz

# ceph-base:
/usr/share/man
/usr/share/man/man8
/usr/share/man/man8/ceph-create-keys.8.gz
/usr/share/man/man8/ceph-kvstore-tool.8.gz
/usr/share/man/man8/ceph-run.8.gz
/usr/share/man/man8/crushtool.8.gz
/usr/share/man/man8/monmaptool.8.gz
/usr/share/man/man8/osdmaptool.8.gz

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https://bugs.launchpad.net/bugs/1892448

Title:
  ceph 15.2.3-0ubuntu0.20.04.2 collides with ceph-deploy 2.0.1-0ubuntu1

Status in ceph package in Ubuntu:
  Fix Released
Status in ceph source package in Focal:
  In Progress
Status in ceph source package in Groovy:
  In Progress
Status in ceph source package in Hirsute:
  Fix Committed

Bug description:
  [Impact]
  Not possible to install ceph and ceph-deploy binary packages due to conflicting manpage.

  [Test Case]
  sudo apt install ceph-base ceph-deploy
  [error as in original bug report]

  [Regression Discussion]
  The fix simply drops the ceph-deploy manpage from the ceph-base binary package.

  [Original Bug Report]
  On an Ubuntu 20.04 installation with the focal-proposed repos enabled and both the ceph/ceph-base/ceph-* packages (which are in main) and the ceph-deploy package (which is in universe) installed, the upgrade from ceph 15.2.3-0ubuntu0.20.04.1 to ceph 15.2.3-0ubuntu0.20.04.2 breaks with the following error message:

  dpkg: error processing archive /var/cache/apt/archives/ceph-base_15.2.3-0ubuntu0.20.04.2_amd64.deb (--unpack):
   trying to overwrite '/usr/share/man/man8/ceph-deploy.8.gz', which is also in package ceph-deploy 2.0.1-0ubuntu1

  I wasn't even able to solve this by trying to uninstall/purge ceph-
  deploy using apt-get or aptitude - instead, I had to resort to

  dpkg --remove --force-remove-reinstreq ceph-deploy

  I think this is a bug in ceph 15.2.3-0ubuntu0.20.04.2, more
  specifically in the packaging of ceph-base 15.2.3-0ubuntu0.20.04.2,
  which probably shouldn't contain the man page for ceph-deploy since it
  doesn't seem to contain any other ceph-deploy files either.

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