---

- name: Filebeat is installed
  apt:
    name: filebeat
    update_cache: yes
    state: present
  tags:
    - packages

- name: Filebeat service is enabled
  service:
    name: filebeat
    enabled: yes

# - name: Kibana dashboards are imported
#   command: /usr/share/filebeat/scripts/import_dashboards
#   when: filebeat_kibana_dashboards

- name: is logstash-plugin available?
  stat:
    path: /usr/share/logstash/bin/logstash-plugin
  check_mode: no
  
  register: logstash_plugin

- name: is logstash-input-beats installed?
  shell: grep logstash-input-beats /usr/share/logstash/Gemfile
  check_mode: no
  
  register: logstash_plugin_installed
  failed_when: false
  changed_when: false
  when: filebeat_logstash_plugin and logstash_plugin.stat.exists

- block:
  - 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

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

  - name: Logstash plugin is installed
    command: /usr/share/logstash/bin/logstash-plugin install logstash-input-beats

  - name: /usr is remounted
    command: mount -oremount /usr
    args:
      warn: no
    changed_when: False
    when: usr_partition.rc == 0 and filebeat_logstash_plugin and logstash_plugin.stat.exists and not logstash_plugin_installed | success