Insert a retry delay for DB reconnects in db.py, and make sure we
close the existing connection before trying to re-connect.

Signed-off-by: John Admanski <jadmanski@google.com>



git-svn-id: http://test.kernel.org/svn/autotest/trunk@1461 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/global_config.ini b/global_config.ini
index 7dbbdfa..53507f3 100644
--- a/global_config.ini
+++ b/global_config.ini
@@ -4,6 +4,9 @@
 db_type: mysql
 user: nobody
 password:
+query_timeout: 3600
+min_retry_delay: 20
+max_retry_delay: 60
 
 [AUTOTEST_WEB]
 host: localhost