Description of problem (please be detailed as possible and provide log
snippests):
ODF deployment using external RHCS cluster fails.I am using osc-ci for deployment.

[root@sonia-3957-bastion-0 ~]# oc -n openshift-storage get cephcluster ocs-external-storagecluster-cephcluster
NAME                                      DATADIRHOSTPATH   MONCOUNT   AGE     PHASE       MESSAGE                          HEALTH      EXTERNAL
ocs-external-storagecluster-cephcluster                                4h45m   Connected   Cluster connected successfully   HEALTH_OK   true
[root@sonia-3957-bastion-0 ~]# oc -n openshift-storage get storagecluster
NAME                          AGE     PHASE   EXTERNAL   CREATED AT             VERSION
ocs-external-storagecluster   4h45m   Ready   true       2022-02-10T07:20:59Z   4.10.0

The CephObjectStoreUser is in 'ReconcileFailed' state.

[root@sonia-3957-bastion-0 ~]# oc -n openshift-storage get cephobjectstoreuser/noobaa-ceph-objectstore-user -oyaml
apiVersion: ceph.rook.io/v1
kind: CephObjectStoreUser
metadata:
  creationTimestamp: "2022-02-10T07:21:19Z"
  finalizers:
  - cephobjectstoreuser.ceph.rook.io
  generation: 1
  name: noobaa-ceph-objectstore-user
  namespace: openshift-storage
  ownerReferences:
  - apiVersion: noobaa.io/v1alpha1
    blockOwnerDeletion: true
    controller: true
    kind: NooBaa
    name: noobaa
    uid: cf6b7b28-243e-4c88-9f27-4302a6119cd1
  resourceVersion: "344731"
  uid: 2b4025bc-0d1e-4ed4-a8ba-11bb0bcd9abc
spec:
  displayName: my display name
  store: ocs-external-storagecluster-cephobjectstore
status:
  phase: ReconcileFailed


Found following traces in rook-ceph-operator-* logs:
2022-02-10 07:21:25.910954 I | op-mon: parsing mon endpoints: sonia-rhcs-node1=9.30.180.75:6789
2022-02-10 07:21:26.511061 I | ceph-spec: detecting the ceph image version for image ...
2022-02-10 07:21:26.511154 E | ceph-object-controller: failed to reconcile CephObjectStore "openshift-storage/ocs-external-storagecluster-cephobjectstore". failed to detect running and desired ceph version: failed to detect ceph image version: failed to set up ceph version job: Rook image [quay.io/rhceph-dev/odf4-rook-ceph-rhel8-operator@sha256:9b996e67b34a516d96c5f22762f166f0396be11f90ca298b5cfc78b9f4171d59] and run image [] must be specified
2022-02-10 07:21:27.311475 I | op-mon: parsing mon endpoints: sonia-rhcs-node1=9.30.180.75:6789
2022-02-10 07:21:27.911528 I | ceph-object-store-user-controller: CephObjectStore "ocs-external-storagecluster-cephobjectstore" found
2022-02-10 07:21:27.911571 I | ceph-object-store-user-controller: CephObjectStore "ocs-external-storagecluster-cephobjectstore" found
2022-02-10 07:21:27.911631 I | ceph-object-store-user-controller: creating ceph object user "noobaa-ceph-objectstore-user" in namespace "openshift-storage"
2022-02-10 07:21:27.921848 E | ceph-object-store-user-controller: failed to reconcile failed to create/update object store user "noobaa-ceph-objectstore-user": failed to get details from ceph object user "noobaa-ceph-objectstore-user": Get "http://rook-ceph-rgw-ocs-external-storagecluster-cephobjectstore.openshift-storage.svc:8000/admin/user?display-name=my%20display%20name&format=json&max-buckets=1000&uid=noobaa-ceph-objectstore-user": dial tcp: lookup rook-ceph-rgw-ocs-external-storagecluster-cephobjectstore.openshift-storage.svc on 172.30.0.10:53: no such host


Version of all relevant components (if applicable):


Does this issue impact your ability to continue to work with the product
(please explain in detail what is the user impact)?


Is there any workaround available to the best of your knowledge?


Rate from 1 - 5 the complexity of the scenario you performed that caused this
bug (1 - very simple, 5 - very complex)?


Can this issue reproducible?


Can this issue reproduce from the UI?


If this is a regression, please provide more details to justify this:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info: