rbd: Add exec path

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>

manifests/rbd.pp

@@ -28,4 +28,8 @@ class privatecloud::rbd (
     public_network  => $public_network,
   }
 
+  Exec {
+    path => '/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin'
+  }
+
 }