apache2: Richte munin-Überwachung ein

files/server-status.conf

@@ -0,0 +1,3 @@
+<VirtualHost *:80>
+    ServerName localhost
+</VirtualHost>

handlers/main.yml

@@ -3,3 +3,8 @@
   service:
     name: apache2
     state: reloaded
+
+- name: restart munin-node
+  service:
+    name: munin-node
+    state: restarted

tasks/main.yml

@@ -1,3 +1,9 @@
 ---
 - import_tasks: packages.yml
+  tags: packages
+
 - import_tasks: configuration.yml
+  tags: configuration
+
+- import_tasks: monitoring.yml
+  tags: monitoring

tasks/monitoring.yml

@@ -0,0 +1,35 @@
+---
+- name: "monitoring | Aktiviere Apache-Module"
+  apache2_module:
+    name: status
+    state: present
+  notify: reload apache2
+
+- name: "monitoring | Kopiere Konfigurationsdatei"
+  copy:
+    src: server-status.conf
+    dest: /etc/apache2/sites-available/server-status.conf
+
+- name: "monitoring | Aktiviere Seitenkonfiguration für Localhost"
+  file:
+    src: /etc/apache2/sites-available/server-status.conf
+    dest: /etc/apache2/sites-enabled/server-status.conf
+    state: link
+  notify: reload apache2
+
+- name: "monitoring | Kopiere Munin-Konfiguration"
+  template:
+    src: munin.j2
+    dest: /etc/munin/plugin-conf.d/yyy-apache
+  notify: restart munin-node  
+
+- name: "monitoring | Aktiviere Munin-Plugins"
+  file:
+    src: "/usr/share/munin/plugins/{{ item }}"
+    dest: "/etc/munin/plugins/{{ item }}"
+    state: link
+  loop:
+    - apache_accesses
+    - apache_processes
+    - apache_volume
+  notify: restart munin-node

tasks/packages.yml

@@ -3,3 +3,4 @@
   apt:
     pkg:
       - apache2
+      - libwww-perl

templates/munin.j2

@@ -0,0 +1,6 @@
+[apache*]
+env.url http://localhost/server-status?auto
+{% if inventory_hostname == "orwell" %}
+env.ports 443
+{% endif %}
+env.showfree 1