ffdo-ansible-l2tp/roles/gateways_gretap/templates/gretap.j2

# This file is managed by ansible, don't make changes here - they will be overwritten.
{% set indexer = [0] %}
{% set hosts = [] %}
{% for domaene in domaenenliste|dictsort %}
{% for dummy in hosts %}
{% if hosts.pop() %}
{% endif %}
{% endfor %}
{% if hosts|length and hosts.pop() %}
{% endif %}
{% for host in groups['mapserver'] %}
{% if hosts.append(host) %}
{% endif %}
{% endfor %}
{% for host in groups['supernodes'] %}
{% if ansible_ssh_host != hostvars[host].ansible_ssh_host and hostvars[host].domaenenliste is defined and domaene[0] in hostvars[host].domaenenliste and hosts.append(host) %}
{% endif %}
{% endfor %}
{% for host in hosts %}
{% if hostvars[host] is defined %}
{% if indexer.append(indexer.pop() + 1) %}{% endif %}{# increment indexer by 1 #}

# GRETAP Tunnel for domaene-{{domaene[0]}} to {{host}} ({{hostvars[host].ansible_ssh_host}})
auto t{{domaene[0]}}-{{host}}
iface t{{domaene[0]}}-{{host}} inet manual
{% if build_tunnels_over_ipv6_if_available is defined and build_tunnels_over_ipv6_if_available == "yes" and ansible_default_ipv6.address is defined %}
        pre-up ip link add $IFACE type ip6gretap local {{ansible_default_ipv6.address}} remote {{hostvars[host]['ansible_default_ipv6']['address']}} dev {{ansible_default_ipv6.interface}} key {{domaene[0]|int}}
{% else %}
        pre-up ip link add $IFACE type gretap local {{ansible_default_ipv4.address}} remote {{hostvars[host].ansible_ssh_host}} dev {{ primary_vnic }} key {{domaene[0]|int}}
{% endif %}
        pre-up ip link set dev $IFACE address de:ad:be:ef:{{indexer[0]}}:{{vm_id}}
        pre-up ip link set $IFACE up
        post-up batctl -m bat{{domaene[0]}} if add $IFACE ||:
        pre-down batctl -m bat{{domaene[0]}} if del $IFACE ||:
        post-down ip link del $IFACE

{% endif %}
{% endfor %}
{% endfor %}