helm: add cli argument instanceid

Signed-off-by: Andreas <zerotens@users.noreply.github.com>

charts/ceph-csi-rbd/README.md

@@ -229,6 +229,7 @@ charts and their default values.
 | `selinuxMount`                                | Mount the host /etc/selinux inside pods to support selinux-enabled filesystems                                                                                                      | `true`                                            |
 | `CSIDriver.fsGroupPolicy` | Specifies the fsGroupPolicy for the CSI driver object | `File` |
 | `CSIDriver.seLinuxMount` | Specify for efficient SELinux volume relabeling | `true` |
+| `instanceID`                                   | Unique ID distinguishing this instance of Ceph CSI among other instances, when sharing Ceph clusters across CSI instances for provisioning. | ` ` |
 
 ### Command Line
 

charts/ceph-csi-rbd/templates/nodeplugin-daemonset.yaml

@@ -60,6 +60,9 @@ spec:
 {{- if .Values.topology.domainLabels }}
             - "--domainlabels={{ .Values.topology.domainLabels | join "," }}"
 {{- end }}
+{{- if .Values.instanceID }}
+            - "--instanceid={{ .Values.instanceID }}"
+{{- end }}
 {{- if .Values.nodeplugin.profiling.enabled }}
             - "--enableprofiling={{ .Values.nodeplugin.profiling.enabled }}"
 {{- end }}

charts/ceph-csi-rbd/templates/provisioner-deployment.yaml

@@ -87,6 +87,9 @@ spec:
             {{- if .Values.provisioner.skipForceFlatten }}
             - "--skipforceflatten={{ .Values.provisioner.skipForceFlatten }}"
             {{- end }}
+            {{- if .Values.instanceID }}
+            - "--instanceid={{ .Values.instanceID }}"
+            {{- end }}
             {{- if .Values.provisioner.profiling.enabled }}
             - "--enableprofiling={{ .Values.provisioner.profiling.enabled }}"
             {{- end }}

charts/ceph-csi-rbd/values.yaml

@@ -553,3 +553,6 @@ externallyManagedConfigmap: false
 cephConfConfigMapName: ceph-config
 # Name of the configmap used for encryption kms configuration
 kmsConfigMapName: ceph-csi-encryption-kms-config
+# Unique ID distinguishing this instance of Ceph CSI among other instances,
+# when sharing Ceph clusters across CSI instances for provisioning
+# instanceID: default