keepalived/files/keepalived.conf

{% from "keepalived/map.jinja" import cluster with context %}

! Configuration File for keepalived

{%- for name, script in cluster.get('vrrp_scripts', {}).iteritems() %}
vrrp_script {{ name }} {
{%- if script.name is defined %}
{%- set name=script.name %}
{%- endif %}
  script "/usr/local/bin/vrrp_script_{{ name }}.sh '{{ "' '".join(script.get('args', [])|sequence|map('string')) }}'"
  interval {{ script.get('interval', 2) }} # check every Ns
  fall {{ script.get('fall', 2) }}   # require N failures for KO
  rise {{ script.get('rise', 2) }}   # require N successes for OK
  {% if script.timeout is defined %}timeout {{ script.timeout }} # default timeout for script {% endif %}
  {% if script.weight is defined %}weight {{ script.weight }}{% endif %}
}
{%- endfor %}

{%- for instance_name, instance in cluster.instance.iteritems() %}
{%- if instance.get('enabled', True) %}
vrrp_instance {{ instance_name }} {
    {%- if instance.get('nopreempt', True) %}
    state BACKUP
    nopreempt
    garp_master_delay 5
    garp_master_repeat 3
    garp_master_refresh 1
    {%- else %}
    state MASTER
    {%- endif %}
    dont_track_primary
    {%- if instance.notify_action is defined %}
    notify /usr/local/bin/keepalived_notify_{{ instance_name }}.sh
    {%- endif %}
    interface {{ instance.interface }}
    virtual_router_id {{ instance.virtual_router_id }}
    priority {{ instance.priority }}
{%- if instance.unicast_src_ip is defined and instance.unicast_peer is defined %}
    unicast_src_ip {{ instance.unicast_src_ip }}
    unicast_peer {
        {%- for peer in instance.unicast_peer %}
        {%- if peer != instance.unicast_src_ip %}
        {{ peer }}
        {%- endif %}
        {%- endfor %}
    }
{%- endif %}
    advert_int 1
    authentication {
        auth_type {{ instance.get('auth_type', 'AH') }}
        auth_pass {{ instance.password }}
    }
    virtual_ipaddress {
        {%- if instance.addresses is defined %}
        {%- for address in instance.addresses %}
        {{ address }}
        {%- endfor %}
        {%- else %}
        {{ instance.address }}
        {%- endif %}
    }
    {%- if instance.virtual_routes is defined %}
    virtual_routes {
    {%- for route in instance.virtual_routes %}
    {{ route }}
    {%- endfor %}
    }
    {%- endif %}
    {%- if instance.virtual_rules is defined %}
    virtual_rules {
    {%- for rule in instance.virtual_rules %}
    {{ rule }}
    {%- endfor %}
    }
    {%- endif %}
    {%- if instance.track_script is defined %}
    track_script {
    {%- if instance.track_script is mapping %}
    {%- for track_script_name, track_script in instance.get('track_script', {}).iteritems() %}
      {{ track_script_name }}{% if track_script.weight is defined %} weight {{ track_script.weight }}{% endif %}
    {%- endfor %}
    {%- else %}
      {{ instance.track_script }}
    {%- endif %}
    }
    {%- endif %}
}
{%- endif %}
{%- endfor %}