Set INFO as the default log level for oslo

Change-Id: I68e32546c462220385bf44abf3e3f9889436caf4
Closes-Bug: PROD-24147
diff --git a/oslo_templates/files/logging/_logging.conf b/oslo_templates/files/logging/_logging.conf
index 90c55dd..20fa734 100644
--- a/oslo_templates/files/logging/_logging.conf
+++ b/oslo_templates/files/logging/_logging.conf
@@ -16,7 +16,7 @@
 keys = context, default{% if _data.log_handlers.get('fluentd', {}).get('enabled', False) %}, fluentd{% endif %}
 
 [logger_root]
-level = {{ _data.get('loggers', {}).get('root', {}).get('level', 'WARNING') }}
+level = {{ _data.get('loggers', {}).get('root', {}).get('level', 'INFO') }}
 handlers = {{ log_handlers | join(", ") }}
 
 [logger_{{ app_name }}]