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I am hosting 2 repositories (myrepo-main and AppStream) on a local server. The myrepo-main hosts mysql commercial rpms and some other packages.
Unless I disable the AppStream repo, most of the mysql packages are not visible.

$ sudo dnf list | grep ^mysql
mysql-commercial-libs-compat.x86_64                  5.7.29-1.1.el7                                    myrepo-main

Disabling the AppStream repo allows me to see the mysql packages in the repo.

$ sudo dnf --disablerepo=AppStream --enablerepo=myrepo* list | grep ^mysql
mysql-commercial-client.x86_64                     5.7.29-1.1.el7                          myrepo-main
mysql-commercial-common.x86_64                     5.7.29-1.1.el7                          myrepo-main
mysql-commercial-libs.x86_64                       5.7.29-1.1.el7                          myrepo-main
mysql-commercial-libs-compat.x86_64                5.7.29-1.1.el7                          myrepo-main
mysql-commercial-server.x86_64                     5.7.29-1.1.el7                          myrepo-main

Other packages in the repo are visible in myrepo without disabling the AppStream repo

$ sudo dnf  list | grep myrepo
jre1.8.x86_64                                        1.8.0_211-fcs                                     @myrepo-main
tomcat.x86_64                                        8.5.41-2                                          @myrepo-main
mysql-commercial-libs-compat.x86_64                  5.7.29-1.1.el7                                    myrepo-main

I have excluded the mysql packages from the AppStream repo on the client.

[AppStream]
name=FW-CentOS-$releasever - AppStream
baseurl=http://192.168.20.230/repos/x86/8/AppStream/AppStream
gpgcheck=1
enabled=1
gpgkey=http://192.168.20.230/repos/x86/8/RPM-GPG-KEY-FWRepo
priority=98
exclude=mysql-server,mysql-common,mysql-devel,mysql-errmsg,mysql-libs,mysql-test,mysql,mariadb,mariadb-server

[myrepo-main]
name=MyRepo Main
baseurl=http://192.168.20.230/repos/x86/8/fairwarning/fwpackages/
enabled=1
gpgcheck=1
gpgkey=http://192.168.20.230/repos/x86/8/fairwarning/fwpackages/RPM-GPG-KEY-FWRepo
priority=1

I have tried :

dnf clean all
rm -rf /var/cache/dnf/

I also tried using reposync to create AppStream without metadata, deleting all mysql rpms and generating the metadata using createrepo_c. This allowed me to see the mysql packages in myrepo, but other packages had issues with the generated metadata and would not install.

We have a similar configuration for our CentOS6 hosts which works without issue. I suspect this is some feature of dnf or AppStream.

mosinoski
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  • Can you provide repo definitions? – rolf82 Feb 28 '20 at 19:04
  • @rolf82 repo definitions added to body of question. – mosinoski Feb 28 '20 at 19:11
  • What is the result of `sudo dnf --disablerepo=myrepo* --enablerepo=AppStream list | grep ^mysql` – rolf82 Feb 28 '20 at 19:15
  • @rolf82 Nothing returned `$ sudo dnf --disablerepo=myrepo* --enablerepo=AppStream list | grep ^mysql $` – mosinoski Feb 28 '20 at 19:22
  • Thanks for the update. It did not provide any clue for me... On [this tuto] (https://www.itzgeek.com/how-tos/linux/centos-how-tos/how-to-install-mariadb-on-rhel-8.html) I saw that > We need to disable the rhel-8-for-x86_64-appstream-rpms and AppStream repository temporarily on RHEL 8 and CentOS 8 respectively to allow yum to download packages from MariaDB mirror. It must be a normal "feature" but I still can't figure out the reason. – rolf82 Feb 28 '20 at 19:35
  • can you try to add module_hotfixes=true on the config of myrepo-main and try again? – rolf82 Feb 28 '20 at 19:43
  • @rolf82 That fixed it. Thank You! If you want to write up an answer I will accept it as a the solution. – mosinoski Feb 28 '20 at 19:55

1 Answers1

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From the answer of user EOhm:

This is needed, from what I understand, because of the new modules system introduced with EL8. The pgdg packages are filtered by default if dnf detects that they provides things that are also in modules but are not packaged as appropriate modules themselves.

So there are multiple solutions:

  • As stated, add module_hotfixes=true on the repo definition, which allows DNF to update or install packages also provided as modules (even if not already installed)
  • Just use dnf --disablerepo AppStream as OP did, which can be tedious
  • Disable the module which is causing problem with dnf module disable xxx (I don't know the name of the problematic module here)
rolf82
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