Merge "fix(mariadb): handle IndexError"

mariadb/templates/bin/_start.py.tpl

@@ -487,10 +487,15 @@ def get_grastate_val(key):
     key -- the key to extract the value of
     """
     logger.debug("Reading grastate.dat key={0}".format(key))
+    try:
         with open("/var/lib/mysql/grastate.dat", "r") as myfile:
             grastate_raw = [s.strip() for s in myfile.readlines()]
         return [i for i in grastate_raw
                 if i.startswith("{0}:".format(key))][0].split(':')[1].strip()
+    except IndexError:
+        logger.warn("IndexError: Unable to find %s with ':' in grastate.dat",
+                    key)
+        return []
 
 
 def set_grastate_val(key, value):