CDS registration failure due to shared storage configuration error.

Issue

The CDS registration process via rhui-manager fails at the [Mount shared storage] step with the following error: mount.nfs: remote share not in 'host:dir' format

------------------------------------------------------------------------------
             -= Red Hat Update Infrastructure Management Tool =-


-= Content Delivery Server (CDS) Management =-

   l   list all known CDS instances managed by the RHUI
   a   register (add) a new CDS instance
   r   reinstall and reapply configuration to an existing CDS instance
   d   unregister (delete) a CDS instance from the RHUI

   logout
       removes stored authentication credentials and exits

   <   move to the previous screen
   ^, home
       move to the home screen
   /, clear
       clears the screen
   ?, help
       display help
   q, quit, exit
       exit

                                 Connected: rhua.exam.com
------------------------------------------------------------------------------
rhui (cds) => a

<snip>

The following CDS has been successfully added:

  Hostname:             cds01
  SSH Username:         root
  SSH Private Key:      /root/.ssh/id_rsa

The CDS will now be configured:

Checking that the RHUA services are reachable from the instance...
Done.


Installing and configuring the CDS...

PLAY [Registering a CDS instance] **********************************************

TASK [Install nfs-utils] *******************************************************
ok: [cds01]

TASK [Install glusterfs-fuse] **************************************************
skipping: [cds01]

TASK [Install ceph-common] *****************************************************
skipping: [cds01]

TASK [Create shared storage mount directory if it does not exist] **************
ok: [cds01]

TASK [Create /etc/rhui directory if it does not exist] *************************
ok: [cds01]

TASK [Provide general RHUI configuration] **************************************
ok: [cds01]

TASK [Copy over the cephfs secretkey file] *************************************
skipping: [cds01]

TASK [Write CephFS shared storage entry in fstab] ******************************
skipping: [cds01]

TASK [Write non-CephFS shared storage entry in fstab] **************************
ok: [cds01]

TASK [Test whether the shared storage is mounted] ******************************
ok: [cds01]

TASK [Unmount current shared storage if already mounted] ***********************
changed: [cds01]

TASK [Mount shared storage] ****************************************************
fatal: [cds01]: FAILED! => {"changed": true, "cmd": ["mount", "/var/lib/rhui/remote_share"], "delta": "0:00:00.007886", "end": "2023-11-29 21:14:14.932407", "msg": "non-zero return code", "rc": 32, "start": "2023-11-29 21:14:14.924521", "stderr": "mount.nfs: remote share not in 'host:dir' format", "stderr_lines": ["mount.nfs: remote share not in 'host:dir' format"], "stdout": "", "stdout_lines": []}

PLAY RECAP *********************************************************************
cds01               : ok=7    changed=1    unreachable=0    failed=1    skipped=4    rescued=0    ignored=0   

ERROR FAILURE:
 Encountered a bad command exit code!

Command: 'ansible-playbook -i cds01, -u root --ssh-common-args="-o StrictHostKeyChecking=yes -o IdentityFile=/root/.ssh/id_rsa" /usr/share/rhui-tools/playbooks/cds-register.yml --extra-vars "@/tmp/tmpf1wsk390"'

Exit code: 2

Stdout: already printed

Stderr: already printed

ERROR SEE LOG FILE: /var/log/rhui/rhua_ansible.log

Done.

Ensuring that instance ports are reachable ...