RHEL 7 to RHEL 8 LEAPP Upgrade Failing When Using Red Hat Satellite

Issue

• When trying to upgrade from RHEL 7.9 to RHEL 8.x, my client is failing to enable the RHEL 8 repositories with this output:

  Unable to install RHEL 8 userspace packages.
  'dnf', 'install', '-y', '--nogpgcheck', '--setopt=module_platform_id=platform:el8', '--setopt=keepcache=1', '--releasever', u'8.x', '--installroot', '/el8target', '--disablerepo', '*', '--enablerepo', u'rhel-8-for-x86_64-baseos-rpms', '--enablerepo', u'rhel-8-for-x86_64-appstream-rpms', u'rhel-8-for-x86_64-baseos-rpms', '--enablerepo', u'rhel-8-for-x86_64-appstream-rpms', '--enablerepo', u'rhel-8-for-x86_64-appstream-rpms', '--enablerepo', u'rhel-8-for-x86_64-baseos-rpms', 'dnf'] failed with exit code 1.",
  Failed to synchronize cache for repo 'rhel-8-for-x86_64-appstream-rpms', ignoring this repo.\n
  Failed to synchronize cache for repo 'rhel-8-for-x86_64-supplementary-rpms', ignoring this repo.\n
  Failed to synchronize cache for repo 'rhel-8-for-x86_64-baseos-rpms', ignoring this repo.\n
  Failed to synchronize cache for repo 'codeready-builder-for-rhel-8-x86_64-rpms', ignoring this repo.\n
  Error: Unable to find a match: dnf\n"}