nova/nova/virt/interfaces.template

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# Injected by Nova on instance boot
#
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
{% for ifc in interfaces %}
auto {{ ifc.name }}
iface {{ ifc.name }} inet static
hwaddress ether {{ ifc.hwaddress }}
address {{ ifc.address }}
netmask {{ ifc.netmask }}
broadcast {{ ifc.broadcast }}
{% if ifc.gateway %}
gateway {{ ifc.gateway }}
{% endif %}
{% if ifc.dns %}
dns-nameservers {{ ifc.dns }}
{% endif %}
{% if use_ipv6 %}
{% if libvirt_virt_type == 'lxc' %}
{% if ifc.address_v6 %}
post-up ip -6 addr add {{ ifc.address_v6 }}/{{ifc.netmask_v6 }} dev ${IFACE}
{% endif %}
{% if ifc.gateway_v6 %}
post-up ip -6 route add default via {{ ifc.gateway_v6 }} dev ${IFACE}
{% endif %}
{% else %}
iface {{ ifc.name }} inet6 static
hwaddress ether {{ ifc.hwaddress }}
address {{ ifc.address_v6 }}
netmask {{ ifc.netmask_v6 }}
{% if ifc.gateway_v6 %}
gateway {{ ifc.gateway_v6 }}
{% endif %}
{% if ifc.dns_v6 %}
dns-nameservers {{ ifc.dns_v6 }}
{% endif %}
{% endif %}
{% endif %}
{% endfor %}