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Merge pull request #97 from nadvornik/reverse

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Autogenerate reverse zones
This commit is contained in:
Javier Bértoli 2018-06-21 08:35:07 -03:00 • committed by GitHub
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4
bind/config.sls
View file

@ -1,4 +1,5 @@
{% from "bind/map.jinja" import map with context %}
{% from "bind/reverse_zone.jinja" import generate_reverse %}
include:
- bind
@ -175,6 +176,9 @@ bind_rndc_client_config:
{% for zone, zone_data in view_data.get('configured_zones', {}).items() -%}
{%- set file = salt['pillar.get']("bind:available_zones:" + zone + ":file", false) %}
{%- set zone_records = salt['pillar.get']('bind:available_zones:' + zone + ':records', {}) %}
{%- if salt['pillar.get']('bind:available_zones:' + zone + ':generate_reverse') %}
{%- do generate_reverse(zone_records, salt['pillar.get']('bind:available_zones:' + zone + ':generate_reverse:net'), salt['pillar.get']('bind:available_zones:' + zone + ':generate_reverse:for_zones'), salt['pillar.get']('bind:available_zones', {})) %}
{%- endif %}
{# If we define RRs in pillar, we use the internal template to generate the zone file
otherwise, we fallback to the old behaviour and use the declared file
#}

24
bind/reverse_zone.jinja Normal file
View file

@ -0,0 +1,24 @@
{%- macro generate_reverse(zone_records, net, for_zones, available_zones) %}
{%- set res = {} %}
{%- set net = salt['network.calc_net'](net) %}
{% set for_zones = [ for_zones ] if for_zones is string else for_zones %}
{% set for_zones = available_zones.keys() if for_zones|length == 1 and for_zones[0] == 'any' else for_zones %}
{%- for zone in for_zones %}
{%- set A_records = available_zones.get(zone, {}).get('records', {}).get('A', {}) %}
{%- for name, addr_list in A_records|dictsort %}
{%- set addr_list = [ addr_list ] if addr_list is string or addr_list is number else addr_list %}
{%- for addr in addr_list %}
{%- if salt['network.ip_in_subnet'](addr, net) %}
{%- if name.endswith('.') %}
{%- set full_name = name %}
{%- else %}
{%- set full_name = name + '.' + zone + '.' %}
{%- endif %}
{%- set rev_ip = '.'.join(addr.split('.')[::-1]) %}
{%- do res.update({rev_ip + '.in-addr.arpa.': full_name}) %}
{%- endif %}
{%- endfor %}
{%- endfor %}
{%- endfor %}
{%- do zone_records.update({'PTR': res }) %}
{%- endmacro %}

27
pillar.example
View file

@ -308,6 +308,33 @@ bind:
- '"v=spf1 mx a ip4:1.2.3.4 ~all"'
_dmarc: '"v=DMARC1; p=quarantine; rua=mailto:dmarc@example.com; fo=1:d:s; adkim=r; aspf=r; pct=100; ri=86400"'
3.2.1.in-addr.arpa: # auto-generated reverse zone
file: example.com.rev.txt
soa: # Declare the SOA RRs for the zone
ns: ns1.example.com # Required
contact: hostmaster.example.com # Required
serial: auto # autoupdate serial on each change
class: IN # Optional. Default: IN
refresh: 8600 # Optional. Default: 12h
retry: 900 # Optional. Default: 15m
expiry: 86000 # Optional. Default: 2w
nxdomain: 500 # Optional. Default: 1m
ttl: 8600 # Optional. Not set by default
records: # Records for the zone, grouped by type
NS:
'@':
ns1.example.com.
generate_reverse: # take all A records from example.com that are in 1.2.3.0/24 subnet
net: 1.2.3.0/24 # and generate reverse records for them
for_zones:
- example.com # example.com is a zone defined in pillar, see above
# for_zones:
# - any # generate reverse record for any zone
### Externally defined Zones ###
bind:
available_zones: