Plugins » Katello

With a Debian machine configured with the regular `debian.sources`, the priorities are as follow:

```

1. apt-cache policy
   Package files:
   100 /var/lib/dpkg/status
   release a=now
   500 mirror+file:/etc/apt/mirrors/debian-security.list bookworm-security/main amd64 Packages
   release v=12,o=Debian,a=stable-security,n=bookworm-security,l=Debian-Security,c=main,b=amd64
   100 mirror+file:/etc/apt/mirrors/debian.list bookworm-backports/main amd64 Packages
   release o=Debian Backports,a=stable-backports,n=bookworm-backports,l=Debian Backports,c=main,b=amd64
   500 mirror+file:/etc/apt/mirrors/debian.list bookworm-updates/main amd64 Packages
   release v=12-updates,o=Debian,a=stable-updates,n=bookworm-updates,l=Debian,c=main,b=amd64
   500 mirror+file:/etc/apt/mirrors/debian.list bookworm/main amd64 Packages
   release v=12.9,o=Debian,a=stable,n=bookworm,l=Debian,c=main,b=amd64
   500 https://oss.atix.de/Debian12 stable/main amd64 Packages
   release a=stable,n=stable,l=stable,c=main,b=amd64
   origin oss.atix.de
   ```

A similar configuration with repos from Katello looks like this:
```

1. apt-cache policy
   Package files:
   100 /var/lib/dpkg/status
   release a=now
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Atix/Debian_12 stable/main all Packages
   release a=stable,n=stable,l=stable,c=main,b=all
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Atix/Debian_12 stable/main amd64 Packages
   release a=stable,n=stable,l=stable,c=main,b=amd64
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm/main all Packages
   release v=12.9,o=Debian,a=stable,n=bookworm,l=Debian,c=main,b=all
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm/main amd64 Packages
   release v=12.9,o=Debian,a=stable,n=bookworm,l=Debian,c=main,b=amd64
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm-updates/main all Packages
   release v=12-updates,o=Debian,a=stable-updates,n=bookworm-updates,l=Debian,c=main,b=all
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm-updates/main amd64 Packages
   release v=12-updates,o=Debian,a=stable-updates,n=bookworm-updates,l=Debian,c=main,b=amd64
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm-backports/main all Packages
   release o=Debian Backports,a=stable-backports,n=bookworm-backports,l=Debian Backports,c=main,b=all
   origin kat.xavbac.lab
   500 katello://kat.xavbac.lab/pulp/content/XavBac_Lab/Dev/CV_debian_base/custom/Debian_12/Debian_12_full bookworm-backports/main amd64 Packages
   release o=Debian Backports,a=stable-backports,n=bookworm-backports,l=Debian Backports,c=main,b=amd64
   origin kat.xavbac.lab
   500 https://oss.atix.de/Debian12 stable/main amd64 Packages
   release a=stable,n=stable,l=stable,c=main,b=amd64
   origin oss.atix.de
   Pinned packages:
   ```

One can notice the priority for the backports repo is 100 in the regular repos case, while it's 500 with the Katello repos.
As such the apt behaviour will be different, preferring the packages from the backports repo, while one would have expected to have only the packages installed explicitly from the backports repo to be considered.