doc/rbd/rbd-kubernetes: add ceph.conf configmap

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

diff --git a/doc/rbd/rbd-kubernetes.rst b/doc/rbd/rbd-kubernetes.rst
index 1be9a0f1335916d5f4ce292be31b74fc996c74de..ccec4813a3ab20ff80ecd3cfb0d0245076139c13 100644 (file)
--- a/doc/rbd/rbd-kubernetes.rst
+++ b/doc/rbd/rbd-kubernetes.rst
@@ -134,6 +134,29 @@ Once generated, store the new `ConfigMap` object in Kubernetes::
 
         $ kubectl apply -f csi-kms-config-map.yaml
 
+Recent versions of `ceph-csi` also require yet another `ConfigMap` object
+to define Ceph configuration to add to ceph.conf file inside CSI containers::
+
+        $ cat <<EOF > ceph-config-map.yaml
+        ---
+        apiVersion: v1
+        kind: ConfigMap
+        data:
+          ceph.conf: |
+            [global]
+            auth_cluster_required = cephx
+            auth_service_required = cephx
+            auth_client_required = cephx
+          # keyring is a required key and its value should be empty
+          keyring: |
+        metadata:
+          name: ceph-config
+        EOF
+
+Once generated, store the new `ConfigMap` object in Kubernetes::
+
+        $ kubectl apply -f ceph-config-map.yaml
+
 Generate `ceph-csi` cephx `Secret`
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