core: include userID/userKey to secret generated from CephClient

Adding two new entries(userID/userKey) in the cephClient secret, so that the csi driver can easily consume

Signed-off-by: Avan Thakkar <athakkar@redhat.com>

pkg/operator/ceph/client/controller.go

@@ -257,6 +257,12 @@ func (r *ReconcileCephClient) createOrUpdateClient(cephClient *cephv1.CephClient
 		},
 		StringData: map[string]string{
 			cephClient.Name: key,
+			// CSI requires userID and userKey for RBD
+			"userID":  cephClient.Name,
+			"userKey": key,
+			// CSI requires adminID and adminKey for CephFS
+			"adminID":  cephClient.Name,
+			"adminKey": key,
 		},
 		Type: k8sutil.RookType,
 	}

pkg/operator/ceph/client/controller_test.go

@@ -295,6 +295,10 @@ func TestCephClientController(t *testing.T) {
 	cephClientSecret, err := c.Clientset.CoreV1().Secrets(namespace).Get(ctx, cephClient.Status.Info["secretName"], metav1.GetOptions{})
 	assert.NoError(t, err)
 	assert.NotEmpty(t, cephClientSecret.StringData)
+	assert.Contains(t, cephClientSecret.StringData, "userID")
+	assert.Contains(t, cephClientSecret.StringData, "userKey")
+	assert.Contains(t, cephClientSecret.StringData, "adminID")
+	assert.Contains(t, cephClientSecret.StringData, "adminKey")
 }
 
 func TestBuildUpdateStatusInfo(t *testing.T) {