From 9ab3a65c0d23a3ce24d89089561158158e28392c Mon Sep 17 00:00:00 2001
From: Jeff Geerling <geerlingguy@mac.com>
Date: Mon, 2 Mar 2015 10:48:01 -0600
Subject: [PATCH] Fixes #2: Add ability to stop munin cron job.

---
 README.md         | 6 +++++-
 defaults/main.yml | 1 +
 tasks/main.yml    | 7 +++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 4c0506e..a5c6ed7 100644
--- a/README.md
+++ b/README.md
@@ -27,10 +27,14 @@ Some default locations for Munin-generated files, configurations, logs, etc.
 
 See the official Munin documentation for [munin.conf](http://munin.readthedocs.org/en/latest/reference/munin.conf.html) for more information on these and other optional directives.
 
+    munin_cron_job: present
+
+Determines whether the munin cron job (which runs every 5 minutes) should be active. By setting this to `absent`, you can leave munin installed and configured on your server but effectively disable it. This allows quick enabling or disabling for munin monitoring.
+
     munin_admin_user: munin
     munin_admin_password: munin
 
-These values will be used to generate a user via htpasswd under which the munin pages will be password protected with basic HTTP authentication.
+These values will be used to generate a user via htpasswd under which the munin pages will be password protected with basic HTTP authentication. (*Note*: This method only works when Munin is running under default Apache configurations; if you use Nginx or a customized Apache server, you will need to configure authentication on your own).
 
     munin_hosts:
       - {
diff --git a/defaults/main.yml b/defaults/main.yml
index 1d5f15b..379b826 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -13,6 +13,7 @@ munin_rundir: /var/run/munin
 munin_includedir: /etc/munin/conf.d
 
 munin_html_strategy: cron
+munin_cron_job: present
 
 munin_max_processes: 12
 
diff --git a/tasks/main.yml b/tasks/main.yml
index ad2714c..d4ab9f2 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -28,3 +28,10 @@
     password={{ munin_admin_password }}
     path=/etc/munin/munin-htpasswd
     state=present
+
+- name: Enable or disable the munin cron job.
+  lineinfile:
+    dest: /etc/cron.d/munin
+    state: "{{ munin_cron_job }}"
+    regexp: "^\\*/5 \\* \\* \\* \\*"
+    line: "*/5 * * * *     munin test -x /usr/bin/munin-cron && /usr/bin/munin-cron"