add shared salt pki/cert directory
diff --git a/glusterfs/client/volume/salt_pki.yml b/glusterfs/client/volume/salt_pki.yml
new file mode 100644
index 0000000..822a086
--- /dev/null
+++ b/glusterfs/client/volume/salt_pki.yml
@@ -0,0 +1,10 @@
+parameters:
+ _param:
+ salt_glusterfs_service_host: ${_param:glusterfs_service_host}
+ glusterfs:
+ client:
+ volumes:
+ salt_pki:
+ path: /srv/salt/pki
+ server: ${_param:salt_glusterfs_service_host}
+ opts: "defaults,backup-volfile-servers=${_param:cluster_node01_address}:${_param:cluster_node02_address}:${_param:cluster_node03_address}"