heartbeat.yml

---
- hosts: all
  sudo: yes
  remote_user: root

  vars:
    main_nodes_ips: "{% set IP_ARR=[] %}{% for host in groups['all'] %}{% if IP_ARR.insert(loop.index,hostvars[host]['ansible_default_ipv4']['address']) %}{% endif %}{% endfor %}{{IP_ARR|join(' ')}}"
    main_nodes_ipc: "{% set IP_ARR=[] %}{% for host in groups['all'] %}{% if IP_ARR.insert(loop.index,hostvars[host]['ansible_default_ipv4']['address']) %}{% endif %}{% endfor %}{{IP_ARR|join(',')}}"
    master_hostname: "{{ hostvars[groups['all'][0]]['ansible_hostname'] }}"
    ipv4_master_addr: "{{ hostvars[groups['all'][0]]['ansible_default_ipv4']['address'] }}"
    play_hosts: "{{ groups['all'] }}"

  vars_files:
    - "{{ var_file }}"

  tasks:

  - name: Update apt
    apt: update_cache=yes

  - name: Ensure packages installed
    apt: pkg={{ item }} state=latest
    with_items:
      - "heartbeat"

  - name: Create infra dirs
    command: mkdir -p {{ item }} 
    with_items:
        - /infra/etc/{{ cluster_name }}/heartbeat
        - /var/log/heartbeat

  - name: Create a unique ID
    shell: dd if=/dev/urandom bs=512 count=1 2>/dev/null | sha1sum | awk '{print $1}' 
    run_once: true
    delegate_to: localhost 
    register: authkey

  - name: Create haresources 
    template:
        force: yes 
        src: templates/heartbeat/haresources
        dest: /infra/etc/{{ cluster_name }}/heartbeat/haresources
        owner: root 
        group: root
        mode: 0600

  - name: Create authkeys
    template:
        force: no 
        src: templates/heartbeat/authkeys
        dest: /infra/etc/{{ cluster_name }}/heartbeat/authkeys
        owner: root 
        group: root
        mode: 0600

  - name: Create ha.cf
    template:
        force: yes 
        src: templates/heartbeat/ha.cf
        dest: /infra/etc/{{ cluster_name }}/heartbeat/ha.cf
        owner: root 
        group: root
        mode: 0600

  - name : Remove node conf in /etc
    command : rm -f /etc/heartbeat/{{item}} 
    with_items:
      - haresources
      - ha.cf 
      - authkeys

  - name : Link node conf from infra 
    command :  ln -s /infra/etc/{{ cluster_name }}/heartbeat/{{item}} /etc/heartbeat/{{item}} 
    with_items:
      - ha.cf 
      - haresources
      - authkeys

  - name: reload service
    shell: service {{ item }} reload
    with_items:
        - heartbeat