ansible-role-docker-swarm/vars/main.yml

---
haproxy_docker_container: True
haproxy_ha_with_keepalived: True

keepalived_install: True
keepalived_vrouter_id: '{{ docker_swarm_keepalived_vrouter_id }}'
keepalived_use_unicast: False
keepalived_floating_ip1: '{{ docker_swarm_keepalived_floating_ip }}'
keepalived_instance1_name: '{{ docker_swarm_keepalived_instance_name }}'
keepalived_nagios_check: False
keepalived_service_to_check: 'haproxy'
keepalived_script1_check: "/usr/bin/docker container ls --filter name=haproxy | /bin/grep haproxy"

keepalived_scripts:
  - name: '{{ keepalived_script1_name }}'
    script: '{{ keepalived_check_script }}'
    # In seconds
    interval: 2
    # Priority increment
    weight: -20
    fall: 2
    raise: 2

keepalived_instances:
  - name: '{{ keepalived_instance1_name }}'
    interface: '{{ ansible_default_ipv4.interface }}'
    state: BACKUP
    vrouter_id: '{{ keepalived_vrouter_id }}'
    notify: '{{ keepalived_notify_script }}'
    priority: '{{ keepalived_inst_priority }}'
    nopreempt: True
    v_addr:
      - '{{ keepalived_floating_ip1 }}'
    track_script:
      - '{{ keepalived_script1_name }}'
    authentication: PASS
    authpass: '{{ keepass_auth_pwd }}'

keepalived_notify_extra_params: |
  case $STATE in
        "MASTER") logger "This HAPROXY instance is now in MASTER state"
                  ;;
        "BACKUP") logger "This HAPROXY instance is now in BACKUP state"
                  ip addr del {{ keepalived_floating_ip1 }} dev {{ ansible_default_ipv4.interface }}
                  ;;
        "FAULT")  logger "This HAPROXY instance went into FAULT state"
                  RETVAL=0
                  ;;
        *)        logger "HAPROXY server is in an unknown state"
                  RETVAL=1
                  ;;
  esac