Red Hat Satellite or Capsule Server upgrade failed with an error cannot install the best update candidate for package pulpcore-selinux-1.3.3-1.el8pc.x86_64 or cannot install the best update candidate for package candlepin-selinux-4.1.15-1.el8sat.noarch.

Environment

• Red Hat Satellite 6
• Red Hat Capsule 6
• Red Hat Enterprise Linux 8

Issue

• Unable to upgrade Red Hat Satellite to v6.12 due to dependency issue.

• Upgrade to v6.12 of Red Hat Satellite server fails with the following error:

    Error:
    Problem 1: cannot install the best update candidate for package candlepin-selinux-4.1.14-1.el8sat.noarch
   - nothing provides selinux-policy >= 3.14.3-108.el8 needed by candlepin-selinux-4.1.18-1.el8sat.noarch
  Problem 2: package katello-selinux-4.0.2-2.el8sat.noarch requires candlepin-selinux >= 3.1.10, but none of the providers can be installed
   - package candlepin-selinux-4.1.14-1.el8sat.noarch requires candlepin = 4.1.14-1.el8sat, but none of the providers can be installed
   - package candlepin-selinux-4.1.15-1.el8sat.noarch requires candlepin = 4.1.15-1.el8sat, but none of the providers can be installed
   - cannot install both candlepin-4.1.18-1.el8sat.noarch and candlepin-4.1.14-1.el8sat.noarch
   - cannot install both candlepin-4.1.18-1.el8sat.noarch and candlepin-4.1.15-1.el8sat.noarch
   - cannot install the best update candidate for package katello-selinux-4.0.2-2.el8sat.noarch
   - cannot install the best update candidate for package candlepin-4.1.14-1.el8sat.noarch
   - nothing provides selinux-policy >= 3.14.3-108.el8 needed by candlepin-selinux-4.1.18-1.el8sat.noarch
  

• Upgrade of Red Hat Satellite/Capsule server fails with the following error:

    Problem: cannot install the best update candidate for package pulpcore-selinux-1.3.3-1.el8pc.x86_64
   - nothing provides selinux-policy >= 3.14.3-128.el8 needed by pulpcore-selinux-2.0.0-1.el8pc.x86_64
  

Resolution

• Red Hat Engineering team is already aware of this issue and is currently tracking the same in This content is not included.Bugzilla # 2163789.

Workaround

• Ensure that the post-upgrade tasks are performed on the Satellite server after the in-place upgrade to RHEL 8.

• Unset the release on Red Hat Satellite server using the following command.

  # subscription-manager release --unset
  Release preference has been unset
  

For more KB articles/solutions related to Red Hat Satellite 6.x Installation/Upgrade/Update Issues, please refer to the Red Hat Satellite Consolidated Troubleshooting Article for Red Hat Satellite 6.x Installation/Upgrade/Update Issues.

Root Cause

• If the post-upgrade tasks that include running the subscription-manager release --unset command are not completed on the Satellite, the upgrade to version 6.12 will fail as the dependency for the candlepin package is not available in the minor version repository for version 8.6.
• When the post-upgrade tasks that include running the subscription-manager release --unset command are not performed on the Red Hat Satellite/Capsule server after performing the in-place upgrade, the upgrade to version will fail as the dependency for the selinux package is not available in the minor version repository for version 8.8.

Diagnostic Steps

• Verify if release version is set on Red Hat Satellite server using the below command:

    # subscription-manager release --show
    Release: 8.6
  
    # subscription-manager release --show
    Release: 8.8
  

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