[Spacewalk-list] Ubuntu 18.04 package management in Spacewalk 2.8

[Robert Paschedag]

Am 5. Dezember 2018 00:44:25 MEZ schrieb philippe bidault <philippe.bidault at gmail.com>:
>Hi all,
>
>I am trying to make our Spacewalk 2.8 working with Ubuntu 18.04, but as
>well described here :
>https://github.com/spacewalkproject/spacewalk/wiki/DebianUbuntuSupportIn27
>
>... there are 3 main issues :
>
>"1- The current version comparison logic does not distinct a dot from
>an
>hyphen, a tilde or a plus character. This leads to some packages
>wrongly
>shown as an update for a client in spacewalk when the package is
>actually a
>downgrade. The client however uses a correct comparison and handles the
>package upgrade correctly
>
>2- The deb importer does not import all the package header information
>into
>the database and the repository-writer will not write the missing
>information to the repository metadata served by spacewalk. This will
>lead
>to problems on the client in case of the missing Multi-Arch header:
>Clients
>will try to reinstall the same package over and over again when this
>header
>is missing.
>
>3- A deb repository provided by spacewalk is not GPG signed and thus
>will
>not work without disabling secure-apt. Spacewalk imports and recreates
>the
>repository based on the imported package catalogue, this will destroy
>the
>GPG signing of the repository vendor."
>
>I did manage to solve the point 2 and 3. The point 3 thanks to this
>method
>:
>http://www.devops-blog.net/spacewalk/gpg-signing-apt-repository-in-spacewalk
>
>Regarding the point 2, I did have to customize the script
>https://github.com/rpasche/spacewalk-debian-sync/tree/add-multiarch-header
>,
>as it seems that in any case the add of the Multi-Arch header in
>Packages.gz is not enough for Ubuntu 18.04. I did only succeed in not
>ending in an infinite loop of packages flagged to be upgraded as the
>result
>of "apt upgrade" by adding more headers in Packages.gz :
>
>        p, v, a, multi, breaks, predeps = line.rstrip().split("||")
>       if (packages.has_key(p + v + a) and (multi is not "#")) :
>           packages[p + v + a]['Multi-Arch'] = multi
>       if (packages.has_key(p + v + a) and (breaks is not "#")) :
>           packages[p + v + a]['Breaks'] = breaks
>       if (packages.has_key(p + v + a) and (predeps is not "#")) :
>           packages[p + v + a]['Pre-Depends'] = predeps

I did improve the script (still testing). Basically it just adds all missing headers from the original file to that generated by spacewalk. The repo is not yet updated.

Robert
>
>Right now, what is really causing me much more trouble, is the point 1,
>which is making Spacewalk not really reliable for deb package
>management ,
>as I have a permanent list of upgradable packages in the Spacewalk
>console,
>whereas the installed versions are already the latest.
>
>Example :
>
>
>Latest Package
>Installed Package
>gcc-8-base-8-20180414-1ubuntu2.amd64-deb
><https://space01/rhn/software/packages/Details.do?sid=1000010058&id_combo=21120|7544|145>
>gcc-8-base-8.2.0-1ubuntu2~18.04.amd64-deb
>lib32gcc1-8-20180414-1ubuntu2:1.amd64-deb
><https://space01/rhn/software/packages/Details.do?sid=1000010058&id_combo=21933|7796|145>
>lib32gcc1-8.2.0-1ubuntu2~18.04:1.amd64-deb
>
>
>So in resume, I have 2 questions :
>
>- Regarding the point 1, is there already an existing solution I could
>use,
>or at least some clues ?
>- Regarding the point 2 : Did I miss something, or do we really need to
>add
>some extra headers (Breaks and Pre-depends) to have the Ubuntu 18.04
>client
>servers correctly listing packages to be upgraded ?
>
>Regards,
>Philippe.


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