---
- name: Install Filebeat
  hosts: all
  become: true
  vars:
    haproxy_ssl: false

  vars_files:
    - vars/variables.yml

  pre_tasks:
    - include_tasks: common_task_install_elk_repo.yml

    - name: Ensure Filebeat is installed
      apt:
        name: "{{ item }}"
        state: present
        update_cache: true
      with_items:
        - filebeat

  tasks:
    - name: Check for apache
      stat:
        path: /etc/apache2
      register: apache2

    - name: Check for auditd
      stat:
        path: /etc/audit
      register: audit

    - name: Check for ceph
      stat:
        path: /var/log/ceph
      register: ceph

    - name: Check for cinder
      stat:
        path: /var/log/cinder
      register: cinder

    - name: Check for glance
      stat:
        path: /var/log/glance
      register: glance

    - name: Check for heat
      stat:
        path: /var/log/heat
      register: heat

    - name: Check for horizon
      stat:
        path: /var/log/horizon
      register: horizon

    - name: Check for httpd
      stat:
        path: /var/log/httpd
      register: httpd

    - name: Check for keystone
      stat:
        path: /var/log/keystone
      register: keystone

    - name: Check for mysql
      stat:
        path: /var/lib/mysql
      register: mysql

    - name: Check for neutron
      stat:
        path: /var/log/neutron
      register: neutron

    - name: Check for nginx
      stat:
        path: /var/log/nginx
      register: nginx

    - name: Check for nova
      stat:
        path: /var/log/nova
      register: nova

    - name: Check for octavia
      stat:
        path: /var/log/octavia
      register: octavia

    - name: Check for swift
      stat:
        path: /var/log/swift
      register: swift

    - name: Check for rabbitmq
      stat:
        path: /var/lib/rabbitmq
      register: rabbitmq

    - name: Set discovery facts
      set_fact:
        apache_enabled: "{{ (apache2.stat.exists | bool) or (httpd.stat.exists | bool) }}"
        nginx_enabled: "{{ nginx.stat.exists | bool }}"
        auditd_enabled: "{{ audit.stat.exists | bool }}"
        mysql_enabled: "{{ mysql.stat.exists | bool }}"
        cinder_enabled: "{{ cinder.stat.exists | bool }}"
        glance_enabled: "{{ glance.stat.exists | bool }}"
        heat_enabled: "{{ heat.stat.exists | bool }}"
        horizon_enabled: "{{ horizon.stat.exists | bool }}"
        keystone_enabled: "{{ keystone.stat.exists | bool }}"
        neutron_enabled: "{{ neutron.stat.exists | bool }}"
        nova_enabled: "{{ nova.stat.exists | bool }}"
        octavia_enabled: "{{ octavia.stat.exists | bool }}"
        swift_enabled: "{{ swift.stat.exists | bool }}"
        rabbitmq_enabled: "{{ rabbitmq.stat.exists | bool }}"
        ceph_enabled: "{{ ceph.stat.exists | bool }}"

  post_tasks:
    - name: Drop Filebeat conf file
      template:
        src: templates/filebeat.yml.j2
        dest: /etc/filebeat/filebeat.yml

    - name: Enable and restart Filebeat
      systemd:
        name: "filebeat"
        enabled: true
        state: restarted


- name: Load Filebeat Dashboards
  hosts: all[0]
  become: true
  vars_files:
    - vars/variables.yml
  tasks:
    - name: Load templates
      shell: >-
        {% set IP_ARR=[] %}
        {% for host in groups['elastic-logstash'] %}
        {%   if IP_ARR.insert(loop.index,hostvars[host]['ansible_host']) %}
        {%   endif %}
        {% endfor %}
        {% set elasticsearch_hosts = [IP_ARR | map('regex_replace', '$', ':' ~ elastic_port|string()) | map('regex_replace', '$', '"') | map('regex_replace', '^', '"') | list | join(',' )] %}
        filebeat setup
        {{ item }}
        -E 'output.logstash.enabled=false'
        -E 'output.elasticsearch.hosts={{ elasticsearch_hosts }}'
        -e -v
      with_items:
        - "--template"
        - "--dashboards"