Implement alarms history cleanup via aodh-expirer
Added ability to create cron for aodh-expirer launch.
By default expirer will be launched on hourly basis.
Change-Id: I0a68cc4038e92932ca3fa97c6b6a137b9e0d168c
Related-Prod: https://mirantis.jira.com/browse/PROD-21307
diff --git a/README.rst b/README.rst
index c6204e1..3a69669 100644
--- a/README.rst
+++ b/README.rst
@@ -53,6 +53,23 @@
- host: 10.10.10.12
port: 11211
+Setting alarm history cleanup
+
+In order to allow alarm cleanup from one node of the cluster,
+server:role field should be set to primary and all others to
+secondaey to avoid race conditions. On the example below
+expirer is set to run every day at 2:00 AM. By default
+it will be run every hour.
+
+.. code-block:: yaml
+
+ aodh:
+ server:
+ role: primary
+ expirer:
+ cron:
+ minute: 0
+ hour: 2
Enhanced logging with logging.conf
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