$ cat assets/controller.yaml
...
    containers:
        - name: provisioner-kube-rbac-proxy

          volumeMounts:
          - mountPath: /etc/tls/private
            name: metrics-serving-cert

      volumes:
        - name: metrics-serving-cert
          secret:
            secretName: ibm-powervs-block-csi-driver-controller-metrics-serving-cert