iiab/roles/munin/tasks/main.yml

- name: Install Munin package
  package: name={{ item }}
           state=present
  with_items:
    - munin
    - munin-node
    - munin-plugins-extra
    - libcgi-fast-perl
    - libapache2-mod-fcgid
  tags:
    - download
  when: is_debuntu

- name: Install Munin package
  package: name={{ item }}
           state=present
  with_items:
    - munin
    - munin-node
  tags:
    - download
  when: not is_debuntu

- name: Copy Munin config file
  template: src={{ item.src }}
            dest={{ item.dest }}
            owner=root
            group=root
            mode=0644
  with_items:
    - { src: 'munin.conf.j2', dest: '/etc/munin/munin.conf' }
    - { src: 'munin24.conf.j2', dest: '/etc/{{ apache_config_dir }}/munin24.conf' }

- name: Create admin user
  htpasswd: path=/etc/munin/munin-htpasswd
            name=Admin
            password=changeme
            create=yes
            state=present

- name: Enable munin-node service
  service: name=munin-node
           enabled=yes
           state=started
  when: munin_enabled

- name: Enable Apache lookup
  file: src=/etc/apache2/sites-available/munin24.conf
        dest=/etc/apache2/sites-enabled/munin24.conf
        state=link
  when: munin_enabled and is_debuntu

- name: Disable Apache lookup
  file: src=/etc/apache2/sites-available/munin24.conf
        dest=/etc/apache2/sites-enabled/munin24.conf
        state=absent
  when: not munin_enabled and is_debuntu

- name: Disable munin-node service when it becomes disabled
  service: name=munin-node
           enabled=no
           state=stopped
  when: not munin_enabled

- name: If MySQL is enabled, let Munin monitor it
  copy: dest=/etc/munin/plugins/
        src={{ item }}
  with_items:
    - /usr/share/munin/plugins/mysql_
    - /usr/share/munin/plugins/mysql_bytes
    - /usr/share/munin/plugins/mysql_innodb
    - /usr/share/munin/plugins/mysql_isam_space_
    - /usr/share/munin/plugins/mysql_queries
    - /usr/share/munin/plugins/mysql_slowqueries
    - /usr/share/munin/plugins/mysql_threads
  when: mysql_enabled

- name: Add munin to service list
  ini_file: dest='{{ service_filelist }}'
            section=munin
            option='{{ item.option }}'
            value='{{ item.value }}'
  with_items:
    - option: name
      value: munin
    - option: description
      value: '"Munin is a networked resource monitoring tool that can help analyze resource trends and \"what just happened to kill our performance?\" problems."'
    - option: installed
      value: "{{ munin_install }}"
    - option: enabled
      value: "{{ munin_enabled }}"