From 83ddeec1ab7f5e13cc8f930c6955cc275fb1b8c7 Mon Sep 17 00:00:00 2001
From: Guilhem Moulin <guilhem@fripost.org>
Date: Sat, 6 Feb 2021 18:47:28 +0100
Subject: munin: Skip ntp_* plugins when ntpq(1) is missing.

---
 roles/common/tasks/munin-node.yml | 30 ++++++++++++++++++++++++++----
 1 file changed, 26 insertions(+), 4 deletions(-)

(limited to 'roles')

diff --git a/roles/common/tasks/munin-node.yml b/roles/common/tasks/munin-node.yml
index a713f08..2411b59 100644
--- a/roles/common/tasks/munin-node.yml
+++ b/roles/common/tasks/munin-node.yml
@@ -62,10 +62,6 @@
     - load
     - memory
     - netstat
-    - ntp_kernel_err
-    - ntp_kernel_pll_freq
-    - ntp_kernel_pll_off
-    - ntp_offset
     - open_files
     - open_inodes
     - processes
@@ -78,6 +74,20 @@
   notify:
     - Restart munin-node
 
+- name: Install Munin plugins
+  file: src=/usr/share/munin/plugins/{{ item }}
+        dest=/etc/munin/plugins/{{ item }}
+        owner=root group=root
+        state=link force=yes
+  with_items:
+    - ntp_kernel_err
+    - ntp_kernel_pll_freq
+    - ntp_kernel_pll_off
+    - ntp_offset
+  when: "'NTP_master' in group_names"
+  notify:
+    - Restart munin-node
+
 - name: Delete unnecessary Munin plugins
   file: path=/etc/munin/plugins/{{ item }}
         state=absent
@@ -90,6 +100,18 @@
   notify:
     - Restart munin-node
 
+- name: Delete unnecessary Munin plugins
+  file: path=/etc/munin/plugins/{{ item }}
+        state=absent
+  with_items:
+    - ntp_kernel_err
+    - ntp_kernel_pll_freq
+    - ntp_kernel_pll_off
+    - ntp_offset
+  when: "'NTP_master' not in group_names"
+  notify:
+    - Restart munin-node
+
 - name: Install 'if_' Munin wildcard plugin
   file: src=/usr/share/munin/plugins/{{ item.0 }}_
         dest=/etc/munin/plugins/{{ item.0 }}_{{ item.1 }}
-- 
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