Rename prometheus glusterfs volume

Change-Id: I9a2127c5344ed3b5d81767c899271d983888210f
diff --git a/salt/minion/cert/k8s_client_prometheus.yml b/salt/minion/cert/k8s_client_prometheus.yml
index 04cd374..678ddbe 100644
--- a/salt/minion/cert/k8s_client_prometheus.yml
+++ b/salt/minion/cert/k8s_client_prometheus.yml
@@ -5,8 +5,8 @@
         k8s_client_prometheus:
           host: ${_param:salt_minion_ca_host}
           authority: ${_param:salt_minion_ca_authority}
-          key_file: /srv/volumes/prometheus-config/kubelet-client.key
-          cert_file: /srv/volumes/prometheus-config/kubelet-client.crt
+          key_file: /srv/volumes/prometheus/kubelet-client.key
+          cert_file: /srv/volumes/prometheus/kubelet-client.crt
           common_name: kubelet-client
           signing_policy: cert_client
           alternative_names: IP:${_param:cluster_vip_address},IP:${_param:cluster_node01_address},IP:${_param:cluster_node02_address},IP:${_param:cluster_node03_address},IP:${_param:kubernetes_internal_api_address}