Add sample configs

Change-Id: Id4d563f97568f7a67985ca5a67761804d89b291f
diff --git a/etc/logging.conf-sample b/etc/logging.conf-sample
new file mode 100644
index 0000000..8b76da2
--- /dev/null
+++ b/etc/logging.conf-sample
@@ -0,0 +1,44 @@
+[loggers]
+keys=root,zuul,gerrit
+
+[handlers]
+keys=console,debug,normal
+
+[formatters]
+keys=simple
+
+[logger_root]
+level=WARNING
+handlers=console
+
+[logger_zuul]
+level=DEBUG
+handlers=debug,normal
+qualname=zuul
+
+[logger_gerrit]
+level=DEBUG
+handlers=debug,normal
+qualname=gerrit
+
+[handler_console]
+level=WARNING
+class=StreamHandler
+formatter=simple
+args=(sys.stdout,)
+
+[handler_debug]
+level=DEBUG
+class=logging.handlers.TimedRotatingFileHandler
+formatter=simple
+args=('/var/log/zuul/debug.log', 'midnight', 1, 30,)
+
+[handler_normal]
+level=INFO
+class=logging.handlers.TimedRotatingFileHandler
+formatter=simple
+args=('/var/log/zuul/zuul.log', 'midnight', 1, 30,)
+
+[formatter_simple]
+format=%(asctime)s %(levelname)s %(name)s: %(message)s
+datefmt=