roles/vm/guest/network/templates/interfaces/multihomed-overlay.j2


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  address {{ interface.address | ansible.utils.ipaddr('address') }}
  netmask {{ interface.address | ansible.utils.ipaddr('netmask') }}
  #### overlays
{% for overlay in interface.overlays %}
{%   if 'name' in overlay %}
  ## {{ overlay.name }}
{%   endif %}
  up /bin/ip addr add dev $IFACE {{ overlay.address | ansible.utils.ipaddr('address') }}/32
  up /bin/ip route add default via {{ overlay.gateway }} src {{ overlay.address | ansible.utils.ipaddr('address') }} table {{ 200 + loop.index0 }}
  up /bin/ip rule add pref {{ 40000 + loop.index0 }} from {{ overlay.address | ansible.utils.ipaddr('address') }} lookup {{ 200 + loop.index0 }}
{% endfor %}
  ##########
{% for overlay in interface.overlays | reverse %}
{%   if 'name' in overlay %}
  ## {{ overlay.name }}
{%   endif %}
  down /bin/ip rule del pref {{ 40000 + loop.revindex0 }}
  down /bin/ip route del default via {{ overlay.gateway }} src {{ overlay.address | ansible.utils.ipaddr('address') }} table {{ 200 + loop.revindex0 }}
  down /bin/ip addr del dev $IFACE {{ overlay.address | ansible.utils.ipaddr('address') }}/32
{% endfor %}