Hosted Engine appliance upgrade to RHV 4.4 fails due to gssapi packages missing

Solution Unverified - Updated

Environment

Issue

During upgrade from RHV 4.3 to RHV 4.4 hosted-engine setup, appliance upgrade fails due to gssapi packages missing.
From hosted-engine.log:

2020-08-06 15:22:07,968+0300 INFO otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:109 TASK [ovirt.engine-setup : Run engine-setup with answerfile]
2020-08-06 15:23:18,434+0300 DEBUG otopi.ovirt_hosted_engine_setup.ansible_utils ansible_utils._process_output:103 {'msg': 'non-zero return code', 'cmd': ['engine-setup', '--accept-defaults', '--config-append=/root/ovirt-engine-answers'], 'stdout': "[ INFO  ] Stage: Initializing\n[ INFO  ] Stage: Environment setup\n

Resolution

There is a bug file to track this issue and to add the missing packages to the appliance:
This content is not included.Bug 1867038 - gssapi packages missing on upgrade.

A possible workaround is to create a file /usr/share/ansible/roles/ovirt.hosted_engine_setup/hooks/enginevm_before_engine_setup/install-gssapi.yml with content:

- name: Install mod_auth_gssapi
  package:
      name: mod_auth_gssapi
      state: present

Root Cause

According to This content is not included.BZ#1866811, the issue is due to mod_auth_gssapi package required to configure single-sign-on, and is missing in RHV 4.4 appliance.

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