---
- name: install ElK stack
  hosts: "{{ elk_hosts }}"
  become: true
  vars_files:
    - vars/variables.yml
  tasks:
    - name: Configure systcl vm.max_map_count=262144 on container hosts
      sysctl:
        name: "vm.max_map_count"
        value: "262144"
        state: "present"
        reload: "yes"
      delegate_to: "{{ physical_host }}"
      tags:
        - sysctl
    - name: elasticsearch datapath bind mount
      lxc_container:
        name: "{{ inventory_hostname }}"
        container_command: |
          [[ ! -d "/var/lib/elasticsearch" ]] && mkdir -p "/var/lib/elasticsearch"
          [[ ! -d "/var/lib/elasticsearch-olddata" ]] && mkdir -p "/var/lib/elasticsearch-olddata"
        container_config:
          - "lxc.mount.entry=/openstack/{{ inventory_hostname }} var/lib/elasticsearch none bind 0 0"
      delegate_to: "{{ physical_host }}"
    - name: Add Oracle Java PPA to apt sources list
      apt_repository: repo='ppa:webupd8team/java' state=present
    - name: Accept Java 8 License
      debconf: name='oracle-java8-installer' question='shared/accepted-oracle-license-v1-1' value='true' vtype='select'
    - name: Ensure Java is installed.
      apt: name=oracle-java8-installer state=present install_recommends=yes update_cache=yes
    - name: add Elastic search public GPG key
      apt_key:
        url: "https://artifacts.elastic.co/GPG-KEY-elasticsearch"
        state: "present"
    - name: enable apt https transport
      apt: name=apt-transport-https state=present update_cache=yes
    - name: add Elastic search repo to apt sources list
      apt_repository: repo='deb https://artifacts.elastic.co/packages/6.x/apt stable main' state=present
    - name: Ensure Elastic search  is installed.
      apt: name=elasticsearch state=present update_cache=yes
    - name: Drop elastic search conf file
      template:
        src: templates/elasticsearch.yml.j2
        dest: /etc/elasticsearch/elasticsearch.yml
      tags: 
          - config
    - name: Enable and restart elastic
      service:
        name: "elasticsearch"
        enabled: true
        state: restarted
      tags: 
          - config
    - name: copy elk-data rotater script
      copy: src=templates/rotate-topbeatdata.sh dest=/root/rotate-topbeatdata.sh mode=0755
      when: node_data | bool
    - name: setup a cron job to use topbeat-data rotater script daily
      cron: name="compress old topbeat data" minute="55" hour="23" job="/root/rotate-topbeatdata.sh"
      when: node_data | bool