SSH keys for RHEL user not present

[cloin]

Instruqt distributes ssh keys to all nodes in environment for root only. Need to fix images to distribute keys for a non-root user (e.g. rhel user)

(venv) [rhel@ansible tests]$ ansible rhel -i hosts -m ping
[DEPRECATION WARNING]: Ansible will require Python 3.8 or newer on the controller starting with Ansible 2.12. Current version: 3.6.8 (default, Aug 18
2020, 08:33:21) [GCC 8.3.1 20191121 (Red Hat 8.3.1-5)]. This feature will be removed from ansible-core in version 2.12. Deprecation warnings can be
disabled by setting deprecation_warnings=False in ansible.cfg.
node1 | UNREACHABLE! => {
    "changed": false,
    "msg": "Failed to connect to the host via ssh: rhel@node1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).",
    "unreachable": true
}
(venv) [rhel@ansible tests]$ ssh root@node1
root@node1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
(venv) [rhel@ansible tests]$ ssh node1
rhel@node1: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).

[cloin]

RHEL user password set and pass auth enabled in image.