ceph: populate CSI configmap for external cluster

The configmap for csi wasn't created so csi wasn't working.

Closes: https://github.com/rook/rook/issues/4816
Signed-off-by: Sébastien Han <seb@redhat.com>

pkg/operator/ceph/cluster/controller.go

@@ -312,7 +312,7 @@ func (c *ClusterController) configureExternalCephCluster(namespace, name string,
 	if !cluster.Info.IsInitialized() {
 		return errors.Errorf("the cluster identity was not established: %+v", cluster.Info)
 	}
-	logger.Info("cluster identity established.")
+	logger.Info("external cluster identity established.")
 
 	// Everything went well so let's update the CR's status to "connected"
 	config.ConditionExport(c.context, namespace, name,
@@ -324,6 +324,19 @@ func (c *ClusterController) configureExternalCephCluster(namespace, name string,
 		return errors.Wrapf(err, "failed to create csi kubernetes secrets")
 	}
 
+	// Create CSI config map
+	_, err = csi.CreateCsiConfigMap(namespace, c.context.Clientset)
+	if err != nil {
+		return errors.Wrap(err, "failed to create csi config map")
+	}
+
+	// Save CSI configmap
+	err = csi.SaveClusterConfig(c.context.Clientset, namespace, cluster.Info, c.csiConfigMutex)
+	if err != nil {
+		return errors.Wrap(err, "failed to update csi cluster config")
+	}
+	logger.Infof("successfully updated csi config map")
+
 	// Create Crash Collector Secret
 	// In 14.2.5 the crash daemon will read the client.crash key instead of the admin key
 	if !cluster.Spec.CrashCollector.Disable {

pkg/operator/ceph/csi/cluster_config.go

@@ -138,6 +138,8 @@ func CreateCsiConfigMap(namespace string, clientset kubernetes.Interface) (*v1.C
 		}
 		return getCsiConfigMap(namespace, clientset)
 	}
+
+	logger.Infof("successfully created csi config map %q", configMap.Name)
 	return created, nil
 }
 
@@ -160,7 +162,7 @@ func DeleteCsiConfigMap(namespace string, clientset kubernetes.Interface) error
 // SaveClusterConfig updates the config map used to provide ceph-csi with
 // basic cluster configuration. The clusterNamespace and clusterInfo are
 // used to determine what "cluster" in the config map will be updated and
-// and the clusterNamespace value is epxected to match the clusterID
+// and the clusterNamespace value is expected to match the clusterID
 // value that is provided to ceph-csi uses in the storage class.
 // The locker l is typically a mutex and is used to prevent the config
 // map from being updated for multiple clusters simultaneously.
@@ -203,5 +205,6 @@ func SaveClusterConfig(
 	if _, err := clientset.CoreV1().ConfigMaps(csiNamespace).Update(configMap); err != nil {
 		return errors.Wrapf(err, "failed to update csi config map")
 	}
+
 	return nil
 }