[ceph-users] Packaging bug breaks Jewel -> Luminous upgrade

[Matthew Vernon]

Hi,

in Jewel, /etc/bash_completion.d/radosgw-admin is in the radosgw package
In Luminous, /etc/bash_completion.d/radosgw-admin is in the ceph-common
package

...so if you try and upgrade, you get:

Unpacking ceph-common (12.2.8-1xenial) over (10.2.9-0ubuntu0.16.04.1) ...
dpkg: error processing archive ceph-common_12.2.8-1xenial_amd64.deb
(--install):
trying to overwrite '/etc/bash_completion.d/radosgw-admin', which is
also in package radosgw 10.2.9-0ubuntu0.16.04.1

This is a packaging bug - ceph-common needs to declare (via Replaces and
Breaks) that it's taking over some of the radosgw package -
https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-in-other-packages

The exact versioning would depend on when the move was made (I presume
either Jewel -> Kraken or Kraken -> Luminous). Does anyone know?

[would you like this reported formally, or is the fix trivial enough to
just be done? :-) ]

Regards,

Matthew

[Matthew Vernon]

Post by Matthew Vernon
The exact versioning would depend on when the move was made (I presume
either Jewel -> Kraken or Kraken -> Luminous). Does anyone know?

To answer my own question, this went into 12.0.3 via
https://github.com/ceph/ceph/commit/9fd30b93f7281fad70b93512f0a25e3465f5b225

Regards,

Matthew

[Matthew Vernon]

Post by Matthew Vernon
Hi,
in Jewel, /etc/bash_completion.d/radosgw-admin is in the radosgw package
In Luminous, /etc/bash_completion.d/radosgw-admin is in the ceph-common
package
Unpacking ceph-common (12.2.8-1xenial) over (10.2.9-0ubuntu0.16.04.1) ...
dpkg: error processing archive ceph-common_12.2.8-1xenial_amd64.deb
 trying to overwrite '/etc/bash_completion.d/radosgw-admin', which is
also in package radosgw 10.2.9-0ubuntu0.16.04.1

I submitted 2 PRs to fix this - 24996 for master, and 24997 for
luminous; it'd be nice if the latter could make it into 12.2.10? :-)

Regards,

Matthew

[Ken Dreyer]

Hi Matthew,

What's the full apt-get command you're running?

Post by Matthew Vernon
Hi,
in Jewel, /etc/bash_completion.d/radosgw-admin is in the radosgw package
In Luminous, /etc/bash_completion.d/radosgw-admin is in the ceph-common
package
Unpacking ceph-common (12.2.8-1xenial) over (10.2.9-0ubuntu0.16.04.1) ...
dpkg: error processing archive ceph-common_12.2.8-1xenial_amd64.deb
trying to overwrite '/etc/bash_completion.d/radosgw-admin', which is
also in package radosgw 10.2.9-0ubuntu0.16.04.1
This is a packaging bug - ceph-common needs to declare (via Replaces and
Breaks) that it's taking over some of the radosgw package -
https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-in-other-packages
The exact versioning would depend on when the move was made (I presume
either Jewel -> Kraken or Kraken -> Luminous). Does anyone know?
[would you like this reported formally, or is the fix trivial enough to
just be done? :-) ]
Regards,
Matthew
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[Matthew Vernon]

Hi,

Post by Ken Dreyer
What's the full apt-get command you're running?

I wasn't using apt-get, because the ceph repository has the broken
12.2.9 packages in it (and I didn't want to install them, obviously); so
I downloaded all the .debs I needed, installed the dependencies, then
did dpkg -i [list of .debs]

Regards,

Matthew