Fix KeyError issues last updated in #86

Signed-off-by: Tobias Wolf <[email protected]>

src/rookify/modules/ceph.py

@@ -19,6 +19,7 @@ def __init__(self, config: Dict[str, Any]):
         status_data = self.mon_command("status")
 
         self._fsid = status_data["fsid"]
+
         self._systemd_file_name_templates = config.get(
             "systemd_file_name_templates", {}
         )