[WIP] configure munin graphs for HAProxy

haproxy/README.md

@@ -8,7 +8,8 @@ Everything is in the `tasks/main.yml` file.
 
 ## Available variables
 
-* `haproxy_jessie_backports` : on Debian Jessie, we can prefer v1.7 from backports (default: `False`)
+* `haproxy_jessie_backports` : on Debian Jessie, we can prefer v1.7 from backports (default: `False`) ;
+* `haproxy_munin` : install and configure Munin for HAProxy stats (default: `False`).
 
 ## Configuration templates
 

haproxy/defaults/main.yml

@@ -1,3 +1,9 @@
 ---
 
 haproxy_jessie_backports: False
+
+haproxy_munin: False
+
+haproxy_status_url: "http://localhost/haproxy-status;csv;norefresh"
+haproxy_status_login: Null
+haproxy_status_passwd: Null

haproxy/tasks/main.yml

@@ -34,3 +34,6 @@
   - config
 
 - include: nagios.yml
+
+- include: munin.yml
+  when: haproxy_munin

haproxy/tasks/munin.yml

@@ -0,0 +1,23 @@
+---
+
+- include_role: munin
+
+- name: Enable haproxy_ng munin plugin
+  file:
+    src: "/usr/local/share/munin/plugins/haproxy_ng"
+    dest: "/etc/munin/plugins/haproxy_ng"
+    state: link
+  notify: restart munin-node
+  tags:
+    - haproxy
+    - munin
+
+- name: Copy Munin plugin conf
+  template:
+    src: munin/haproxy_ng.j2
+    dest: /etc/munin/plugin-conf.d/haproxy_ng
+    mode: "0644"
+  notify: restart munin-node
+  tags:
+    - haproxy
+    - munin

haproxy/templates/munin/haproxy_ng.j2

@@ -0,0 +1,8 @@
+[haproxy_*]
+env.url {{ haproxy_status_url }}
+{% if haproxy_status_login %}
+env.username {{ haproxy_status_login }}
+{% endif %}
+{% if haproxy_status_passwd %}
+env.password {{ haproxy_status_passwd }}
+{% endif %}