Change monitoring config dir

Add monitoring data dir

Change-Id: I3df723161503cee88b154308a063aa943db17a6a
Depends-On: Ie89009480c06cafb15bb06ded263e49ef194dfc9
diff --git a/salt/minion/cert/prometheus_server.yml b/salt/minion/cert/prometheus_server.yml
index 23c4abf..30a0711 100644
--- a/salt/minion/cert/prometheus_server.yml
+++ b/salt/minion/cert/prometheus_server.yml
@@ -5,8 +5,8 @@
         prometheus_server:
           host: ${_param:salt_minion_ca_host}
           authority: ${_param:salt_minion_ca_authority}
-          key_file: /srv/volumes/prometheus/prometheus-server.key
-          cert_file: /srv/volumes/prometheus/prometheus-server.crt
+          key_file: ${prometheus:server:dir:config}/prometheus-server.key
+          cert_file: ${prometheus:server:dir:config}/prometheus-server.crt
           common_name: prometheus-server
           signing_policy: cert_client
           alternative_names: IP:${_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}