From 74e658c50372096d995b14f9ebbd67ef59a511ad Mon Sep 17 00:00:00 2001
From: Matt Birkholz <matt@birchwood-abbey.net>
Date: Thu, 18 Sep 2025 17:44:29 -0600
Subject: [PATCH] Fix configuration of Munin.

This apparently was incomplete.  Used the Ansible ~ini_file~ module to
delete the entire section(?), the default ~localhost.localdomain~
monitoring.
---
 README.org                            | 13 +++++++++++--
 roles_t/abbey-cloister/tasks/main.yml |  8 ++++++++
 roles_t/abbey-core/tasks/main.yml     |  5 +++--
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/README.org b/README.org
index bb949e1..7653c70 100644
--- a/README.org
+++ b/README.org
@@ -1328,9 +1328,10 @@ trends in resource usage.
 
 - name: Punt default Munin node.
   become: yes
-  replace:
+  ini_file:
+    section: "[localhost.localdomain]"
+    state: absent
     path: /etc/munin/munin.conf
-    regexp: '^\[localhost.*\n\n'
 
 - name: Configure actual Munin nodes.
   become: yes
@@ -1720,6 +1721,14 @@ Each cloistered host is a Munin node.
   become: yes
   apt: pkg=munin-node
 
+- name: Configure Munin Node.
+  become: yes
+  lineinfile:
+    regexp: "^allow [^]{{ core_addr|regex_escape }}[$]$"
+    line: "allow ^{{ core_addr|regex_escape }}$"
+    path: /etc/munin/munin-node.conf
+  notify: Restart Munin node.
+
 - name: Add {{ ansible_user }} to munin group.
   become: yes
   user:
diff --git a/roles_t/abbey-cloister/tasks/main.yml b/roles_t/abbey-cloister/tasks/main.yml
index 4c6e343..0157013 100644
--- a/roles_t/abbey-cloister/tasks/main.yml
+++ b/roles_t/abbey-cloister/tasks/main.yml
@@ -31,6 +31,14 @@
   become: yes
   apt: pkg=munin-node
 
+- name: Configure Munin Node.
+  become: yes
+  lineinfile:
+    regexp: "^allow [^]{{ core_addr|regex_escape }}[$]$"
+    line: "allow ^{{ core_addr|regex_escape }}$"
+    path: /etc/munin/munin-node.conf
+  notify: Restart Munin node.
+
 - name: Add {{ ansible_user }} to munin group.
   become: yes
   user:
diff --git a/roles_t/abbey-core/tasks/main.yml b/roles_t/abbey-core/tasks/main.yml
index 633c2c3..d60f27d 100644
--- a/roles_t/abbey-core/tasks/main.yml
+++ b/roles_t/abbey-core/tasks/main.yml
@@ -232,9 +232,10 @@
 
 - name: Punt default Munin node.
   become: yes
-  replace:
+  ini_file:
+    section: "[localhost.localdomain]"
+    state: absent
     path: /etc/munin/munin.conf
-    regexp: '^\[localhost.*\n\n'
 
 - name: Configure actual Munin nodes.
   become: yes
-- 
2.25.1