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playbooks_filters_ipaddr.rst: fix syntax, indentation (#65208)

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Kenyon Ralph 2019-11-25 12:00:15 -08:00 committed by Sandra McCann
parent f9f19d171b
commit a797802d27
1 changed files with 11 additions and 11 deletions
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22
docs/docsite/rst/user_guide/playbooks_filters_ipaddr.rst
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@ -268,24 +268,24 @@ In Debian-based systems, the network configuration stored in the ``/etc/network/
In the above example, we needed to handle the fact that values were stored in
a list, which is unusual in IPv4 networks, where only a single IP address can be
set on an interface. However, IPv6 networks can have multiple IP addresses set
on an interface::
on an interface:
.. code-block:: jinja
.. code-block:: jinja
# Jinja2 template
iface eth0 inet6 static
{% set ipv6_list = host_prefix | unique | ipv6('host/prefix') %}
address {{ ipv6_list[0] }}
{% if ipv6_list | length > 1 %}
{% for subnet in ipv6_list[1:] %}
up /sbin/ip address add {{ subnet }} dev eth0
down /sbin/ip address del {{ subnet }} dev eth0
{% endfor %}
{% endif %}
{% set ipv6_list = host_prefix | unique | ipv6('host/prefix') %}
address {{ ipv6_list[0] }}
{% if ipv6_list | length > 1 %}
{% for subnet in ipv6_list[1:] %}
up /sbin/ip address add {{ subnet }} dev eth0
down /sbin/ip address del {{ subnet }} dev eth0
{% endfor %}
{% endif %}
# Generated configuration file
iface eth0 inet6 static
address 2001:db8:deaf:be11::ef3/64
address 2001:db8:deaf:be11::ef3/64
If needed, you can extract subnet and prefix information from the 'host/prefix' value::