grok: fix logging to be friendly with cron

This script was always logging to stdout a single INFO message.
The best logging level to use for this from cron (so there's only
output upon an error) is WARN.

Change-Id: I065495b895277ea5166c9ff7f44f07cd718df687

1 files changed, 5 insertions, 6 deletions

diff --git a/grok-cron.py b/grok-cron.py
index cc0b464..997eb5a 100755
--- a/grok-cron.py
+++ b/grok-cron.py
@@ -47,13 +47,12 @@ if __name__ == '__main__':
                         help='location of repositories')
     parser.add_argument('-n', '--dryrun', action='store_true',
                         help='Make no changes to manifest')
-    parser.add_argument('-v', '--verbose', action='store_true',
-                        help='Verbose output')
+    parser.add_argument('--log', default='WARN',
+                        choices=('WARN', 'INFO', 'DEBUG'),
+                        help='Logging level to use. Default=%(default)s')
     args = parser.parse_args()
 
-    if args.verbose:
-        log.setLevel(logging.DEBUG)
-    else:
-        log.setLevel(logging.INFO)
+    for l in logging.getLogger().manager.loggerDict.keys():
+        logging.getLogger(l).setLevel(getattr(logging, args.log))
 
     main(args.manifest, args.toplevel, args.dryrun)