Re: Should ceph build against libcurl4 for Ubuntu 18.04 and later?

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Figured I would chime in as also having this issue.

Moving from 16.04 to 18.04 on some OSD nodes.
I have been using the ceph apt repo
During the release-upgrade, it can’t find a candidate package, and actually removes the ceph-osd package.

This is what dpkg showed after the reboot:
$ dpkg -l | grep ceph
rc  ceph-base                             12.2.10-1xenial                             amd64        common ceph daemon libraries and management tools
rc  ceph-common                           12.2.10-1xenial                             amd64        common utilities to mount and interact with a ceph storage cluster
ii  ceph-deploy                           2.0.1                                       all          Ceph-deploy is an easy to use configuration tool
ii  ceph-fuse                             12.2.10-1xenial                             amd64        FUSE-based client for the Ceph distributed file system
rc  ceph-mds                              12.2.10-1xenial                             amd64        metadata server for the ceph distributed file system
rc  ceph-mgr                              12.2.10-1xenial                             amd64        manager for the ceph distributed storage system
rc  ceph-mon                              12.2.10-1xenial                             amd64        monitor server for the ceph storage system
rc  ceph-osd                              12.2.10-1xenial                             amd64        OSD server for the ceph storage system
ii  libcephfs2                            12.2.10-1xenial                             amd64        Ceph distributed file system client library
ii  python-cephfs                         12.2.10-1xenial                             amd64        Python 2 libraries for the Ceph libcephfs library

After the reboot to complete the upgrade, I tried to install the ceph-osd package back, using the bionic repo, and get complaints about ceph-common and ceph-base, which was an endless rabbit hole of dependencies that lead to libcurl3.

My solution in the end to get things back up and running was to remove the ceph repo and move to the Ubuntu repo, and manually specify the package in apt for every package in the chain.
$ sudo apt install ceph-common=12.2.7-0ubuntu0.18.04.1 ceph-base=12.2.7-0ubuntu0.18.04.1 ceph-fuse=12.2.7-0ubuntu0.18.04.1 ceph-osd=12.2.7-0ubuntu0.18.04.1 libcephfs2=12.2.7-0ubuntu0.18.04.1 python-cephfs=12.2.7-0ubuntu0.18.04.1 python-rados=12.2.7-0ubuntu0.18.04.1 librbd1=12.2.7-0ubuntu0.18.04.1 python-rbd=12.2.7-0ubuntu0.18.04.1 librados2=12.2.7-0ubuntu0.18.04.1 librados-dev=12.2.7-0ubuntu0.18.04.1 libradosstriper1=12.2.7-0ubuntu0.18.04.1

Obviously not ideal, but I assume that it will hold me over until the luminous-bionic repos are able to handle libcurl4 dependencies, or my Mimic window rolls around.

Just wanted to chime in that I ran into this issue, and how I worked around it.

Reed

On Nov 26, 2018, at 11:11 AM, Ken Dreyer <kdreyer@xxxxxxxxxx> wrote:

On Thu, Nov 22, 2018 at 11:47 AM Matthew Vernon <mv3@xxxxxxxxxxxx> wrote:

On 22/11/2018 13:40, Paul Emmerich wrote:
We've encountered the same problem on Debian Buster

It looks to me like this could be fixed simply by building the Bionic
packages in a Bionic chroot (ditto Buster); maybe that could be done in
future? Given I think the packaging process is being reviewed anyway at
the moment (hopefully 12.2.10 will be along at some point...)

That's how we're building it currently. We build ceph in pbuilder
chroots that correspond to each distro.

On master, debian/control has Build-Depends: libcurl4-openssl-dev so
I'm not sure why we'd end up with a dependency on libcurl3.

Would you please give me a minimal set of `apt-get` reproduction steps
on Bionic for this issue? Then we can get it into tracker.ceph.com.

- Ken
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