---
- name: Install munin check dependencies
  apt:
    name: libswitch-perl
    state: present
  tags:
  - redis

- name: Check if /usr is a partition
  shell: "mount | grep 'on /usr type'"
  args:
    warn: no
  changed_when: False
  failed_when: False
  check_mode: no
  register: usr_partition
  tags: redis

- name: Mount /usr in rw
  command: mount -o remount,rw /usr
  args:
    warn: no
  changed_when: False
  when: usr_partition.rc == 0
  tags: redis

- name: Create plugin directory
  file:
    name: /usr/local/share/munin/
    state: directory
    mode: "0755"
  tags: redis

- name: Create plugin directory
  file:
    name: /usr/local/share/munin/plugins/
    state: directory
    mode: "0755"
  tags: redis

- name: Copy redis munin plugin
  copy:
    src: munin_redis
    dest: /usr/local/share/munin/plugins/redis_
    mode: "0755"
  notify: restart munin-node
  tags: redis

- name: Enable redis munin plugin
  file:
    src: /usr/local/share/munin/plugins/redis_
    dest: "/etc/munin/plugins/redis_{{item}}"
    state: link
  with_items:
    - connected_clients
    - key_ratio
    - keys_per_sec 
    - per_sec
    - used_keys
    - used_memory
  notify: restart munin-node
  tags: redis