Unable to import GPG certificates to install RHEL 8 userspace packages

Symptoms

Upgrading CentOS 7 to Almalinux 8 with cPanel ELevate fails with the following error report.

CONFIG_TEXT: [ERROR] *** Elevation Blocker detected: ***   Leapp encountered the following error(s):   [ERROR] Actor: target_userspace_creator   Message: Unable to import GPG certificates to install RHEL 8 userspace packages.

Cause

The installed MariaDB GPG key is outdated and needs to be replaced with the current one upstream key.

Resolution

Follow the steps below to install the current MariaDB key. 

1. Make a backup directory to move the current key to.

   # mkdir -p /root/leapp-backup-gpg

2. Move the current key to the directory you created.

   # mv /etc/leapp/files/vendors.d/rpm-gpg/mariadb-Server-GPG-KEY* /root/leapp-backup-gpg/

3. Import the current key from MariaDB.

   # rpm --import https://rpm.mariadb.org/RPM-GPG-KEY-MariaDB