- set_fact:
    muninpkgs:
        - muninlite
    munin_need_reconfigure: False
  when: ansible_facts['distribution'] == "LEDE" or ansible_facts['distribution'] == "OpenWRT"

- set_fact:
    muninpkgs:
        - munin-node
        - munin-plugins-core
        - munin-plugins-extra
    munin_need_reconfigure: True
  when: ansible_facts['distribution'] == "Debian"

- name: install munin node packages
  package:
      name: "{{ item }}"
      state: present
  loop: "{{ muninpkgs }}"

- name: munin-node conf file
  template:
      src: munin-node.conf.j2
      dest: /etc/munin/munin-node.conf
  notify:
      - restart munin-node
  when: munin_need_reconfigure

## Adding modules for specific functions
- name: install LWP::UserAgent
  package:
      name: libwww-perl
      state: present
  notify:
      - restart munin-node
  when: "'webservers' in group_names or 'loadbalancers' in group_names"

- name: add HAProxy backend module
  file:
      src: /usr/share/munin/plugins/haproxy_
      dest: /etc/munin/plugins/haproxy_current
      state: link
  notify:
      - restart munin-node
  when: "'loadbalancers' in group_names"

- name: install Cache::Cache
  package:
      name: libcache-cache-perl
      state: present
  notify:
      - restart munin-node
  when: "'mariadbservers' in group_names"

- name: install DBD::Pg
  package:
      name: libdbd-pg-perl
      state: present
  notify:
      - restart munin-node
  when: "'pgsqlservers' in group_names"

- name: reconfigure munin-node
  shell:
      cmd: munin-node-configure --shell | sh
  notify:
      - restart munin-node
  when: munin_need_reconfigure

## Useless junks for LXC
- name: delete diskstats from LXC machines
  file:
      path: /etc/munin/plugins/diskstats
      state: absent
  notify:
      - restart munin-node
  when: ansible_facts['virtualization_type'] == "lxc"

## Useless junks for hypervisors
- name: delete squid plugins
  shell:
      cmd: "rm -f /etc/munin/plugins/squid_*"
      warn: False
  notify:
      - restart munin-node
  when: "'hypervisors' in group_names"

- name: delete lxc interfaces plugins
  shell:
      cmd: "rm -f /etc/munin/plugins/if_*veth* /etc/munin/plugins/if_*fw* /etc/munin/plugins/if_*vmbr*"
      warn: False
  notify:
      - restart munin-node
  when: "'hypervisors' in group_names"