From 5a6add8c8836eff51264db4b3c31081839b95fa4 Mon Sep 17 00:00:00 2001
From: Christian Zunker <christian.zunker@codecentric.cloud>
Date: Mon, 24 Dec 2018 09:37:41 +0100
Subject: [PATCH] Add panko-expirer cron job

Automatically delete events when TTL for events
is greater than zero.

Change-Id: Ifecec755edc4d9b1eb202abceb7fecd5aaf87fe7
---
 defaults/main.yml            |  7 +++++++
 tasks/panko_post_install.yml | 10 ++++++++++
 templates/panko.conf.j2      |  1 +
 3 files changed, 18 insertions(+)

diff --git a/defaults/main.yml b/defaults/main.yml
index a18fe6b..d853af0 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -108,6 +108,13 @@ panko_service_adminurl: "{{ panko_service_adminuri }}"
 
 panko_service_in_ldap: false
 
+# Panko expirer
+# TTL in seconds
+panko_event_time_to_live: -1
+# Any of the following special times are valid:
+#   reboot, yearly, annually, monthly, weekly, daily, hourly
+panko_expirer_job_time: daily
+
 # Common pip packages
 panko_pip_packages:
   - alembic>=0.7.2
diff --git a/tasks/panko_post_install.yml b/tasks/panko_post_install.yml
index 58450d2..949237f 100644
--- a/tasks/panko_post_install.yml
+++ b/tasks/panko_post_install.yml
@@ -47,3 +47,13 @@
     mode: "0755"
   notify:
     - Restart web server
+
+- name: Create cron job for panko event expirer
+  cron:
+    name: "Purge old panko events"
+    user: "{{ panko_system_user_name }}"
+    specialtime: "{{ panko_expirer_job_time }}"
+    job: "{{ panko_bin }}/panko-expirer"
+  when:
+    - inventory_hostname == groups['panko_all'][0]
+    - panko_event_time_to_live > 0
\ No newline at end of file
diff --git a/templates/panko.conf.j2 b/templates/panko.conf.j2
index 447e673..43b416b 100644
--- a/templates/panko.conf.j2
+++ b/templates/panko.conf.j2
@@ -7,6 +7,7 @@ debug = {{ debug }}
 
 [database]
 connection = {{ panko_connection_string }}
+event_time_to_live = {{ panko_event_time_to_live }}
 
 [keystone_authtoken]
 auth_type = {{ panko_keystone_auth_plugin }}