use ROOK_CSI_DISABLE_DRIVER for disabling CSI in provider mode

[leelavg]

when ocs is running in provider mode ocs-client-operator manages CSI and this commit adds a key/value for rook to make sure that rook doesn't reconcile CSI at all.

Depends on red-hat-storage/rook#600, red-hat-storage/rook#601

fixes: #2526

[leelavg]

/hold

dependents should be merged first.

[jarrpa]

/lgtm

[leelavg]

Just to clarify, I did a hold as we need to first push d/s rook bundle and then reference the bundle tag in here before unholding.

[leelavg]

Referred bundle should have the changes done in this PR reflected as below (absence of old keys and presence of new key):

# p image mount quay.io/ocs-dev/rook-ceph-operator-bundle:master-50334e894
/var/lib/containers/storage/overlay/51504be6b6487ec0b5a8e9e2a87a89c2e18560a64285053179b63667eb69167c/merged

# rg 'ROOK_CSI_(ENABLE|DISABLE)' -C4 /var/lib/containers/storage/overlay/51504be6b6487ec0b5a8e9e2a87a89c2e18560a64285053179b63667eb69167c/merged
/var/lib/containers/storage/overlay/51504be6b6487ec0b5a8e9e2a87a89c2e18560a64285053179b63667eb69167c/merged/manifests/rook-ceph-operator.clusterserviceversion.yaml
2999-                        valueFrom:
3000-                          configMapKeyRef:
3001-                            key: CSI_TOPOLOGY_DOMAIN_LABELS
3002-                            name: ocs-operator-config
3003:                      - name: ROOK_CSI_ENABLE_NFS
3004-                        valueFrom:
3005-                          configMapKeyRef:
3006:                            key: ROOK_CSI_ENABLE_NFS
3007-                            name: ocs-operator-config
3008:                      - name: ROOK_CSI_DISABLE_DRIVER
3009-                        valueFrom:
3010-                          configMapKeyRef:
3011:                            key: ROOK_CSI_DISABLE_DRIVER
3012-                            name: ocs-operator-config
3013-                      - name: CSI_PROVISIONER_TOLERATIONS
3014-                        value: |2-
3015-

[nb-ohad]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jarrpa, leelavg, nb-ohad

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[leelavg]

/unhold