From 073e8db02f46ae389bdbd2e25cc88efb66cbfa96 Mon Sep 17 00:00:00 2001
From: Jimmy McCrory <jimmy.mccrory@gmail.com>
Date: Sat, 20 Oct 2018 13:52:37 -0700
Subject: [PATCH] Make horizon DB management cron task idempotent

Use a seed in the glance cache management cron task's random
filter so that each host's results are idempotent when re-running.
This prevents the constant changing of the crontab whenever the
playbook is run.

Change-Id: I441d5d30e06f24a1149926f9068e7e4838b3a723
---
 tasks/horizon_db_setup.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasks/horizon_db_setup.yml b/tasks/horizon_db_setup.yml
index 2a6a61ab..a82ed602 100644
--- a/tasks/horizon_db_setup.yml
+++ b/tasks/horizon_db_setup.yml
@@ -48,7 +48,7 @@
 - name: Register DB session cleanup cron
   cron:
     name: "Clear out expired sessions"
-    minute: "{{ 58 | random(start=2) }}"
+    minute: "{{ 58 | random(seed=inventory_hostname, start=2) }}"
     hour: 21
     job: "{{ horizon_manage }} clearsessions"
     user: "{{ horizon_system_user_name }}"