update

kubespray/roles/kubernetes-apps/csi_driver/cinder/templates/cinder-csi-poddisruptionbudget.yml.j2

@@ -0,0 +1,14 @@
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: cinder-csi-pdb
+  namespace: kube-system
+spec:
+{% if cinder_csi_controller_replicas is defined and cinder_csi_controller_replicas > 1 %}
+  minAvailable: 1
+{% else %}
+  minAvailable: 0
+{% endif %}
+  selector:
+    matchLabels:
+      app: csi-cinder-controllerplugin