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#!/usr/bin/python
# -*- coding: UTF-8 -*-
# Copyright (c) 2016, Adfinis SyGroup AG
# Tobias Rueetschi <tobias.ruetschi@adfinis-sygroup.ch>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.univention_umc import (
umc_module_for_add,
umc_module_for_edit,
ldap_search,
base_dn,
)
ANSIBLE_METADATA = {'status': ['preview'],
'supported_by': 'community',
'version': '1.0'}
DOCUMENTATION = '''
---
module: udm_dns_zone
version_added: "2.2"
author: "Tobias Rueetschi (@2-B)"
short_description: Manage dns zones on a univention corporate server
description:
- "This module allows to manage dns zones on a univention corporate server (UCS).
It uses the python API of the UCS to create a new object or edit it."
requirements:
- Python >= 2.6
options:
state:
required: false
default: "present"
choices: [ present, absent ]
description:
- Whether the dns zone is present or not.
type:
required: true
choices: [ forward_zone, reverse_zone ]
description:
- Define if the zone is a forward or reverse DNS zone.
zone:
required: true
description:
- DNS zone name, e.g. C(example.com).
nameserver:
required: false
description:
- List of appropriate name servers. Required if C(state=present).
interfaces:
required: false
description:
- List of interface IP addresses, on which the server should
response this zone. Required if C(state=present).
refresh:
required: false
default: 3600
description:
- Interval before the zone should be refreshed.
retry:
required: false
default: 1800
description:
- Interval that should elapse before a failed refresh should be retried.
expire:
required: false
default: 604800
description:
- Specifies the upper limit on the time interval that can elapse before the zone is no longer authoritative.
ttl:
required: false
default: 600
description:
- Minimum TTL field that should be exported with any RR from this zone.
contact:
required: false
default: ''
description:
- Contact person in the SOA record.
mx:
required: false
default: []
description:
- List of MX servers. (Must declared as A or AAAA records).
'''
EXAMPLES = '''
# Create a DNS zone on a UCS
- udm_dns_zone:
zone: example.com
type: forward_zone
nameserver:
- ucs.example.com
interfaces:
- 192.0.2.1
'''
RETURN = '''# '''
def convert_time(time):
"""Convert a time in seconds into the biggest unit"""
units = [
(24 * 60 * 60 , 'days'),
(60 * 60 , 'hours'),
(60 , 'minutes'),
(1 , 'seconds'),
]
if time == 0:
return ('0', 'seconds')
for unit in units:
if time >= unit[0]:
return ('{}'.format(time // unit[0]), unit[1])
def main():
module = AnsibleModule(
argument_spec = dict(
type = dict(required=True,
type='str'),
zone = dict(required=True,
aliases=['name'],
type='str'),
nameserver = dict(default=[],
type='list'),
interfaces = dict(default=[],
type='list'),
refresh = dict(default=3600,
type='int'),
retry = dict(default=1800,
type='int'),
expire = dict(default=604800,
type='int'),
ttl = dict(default=600,
type='int'),
contact = dict(default='',
type='str'),
mx = dict(default=[],
type='list'),
state = dict(default='present',
choices=['present', 'absent'],
type='str')
),
supports_check_mode=True,
required_if = ([
('state', 'present', ['nameserver', 'interfaces'])
])
)
type = module.params['type']
zone = module.params['zone']
nameserver = module.params['nameserver']
interfaces = module.params['interfaces']
refresh = module.params['refresh']
retry = module.params['retry']
expire = module.params['expire']
ttl = module.params['ttl']
contact = module.params['contact']
mx = module.params['mx']
state = module.params['state']
changed = False
obj = list(ldap_search(
'(&(objectClass=dNSZone)(zoneName={}))'.format(zone),
attr=['dNSZone']
))
exists = bool(len(obj))
container = 'cn=dns,{}'.format(base_dn())
dn = 'zoneName={},{}'.format(zone, container)
if contact == '':
contact = 'root@{}.'.format(zone)
if state == 'present':
try:
if not exists:
obj = umc_module_for_add('dns/{}'.format(type), container)
else:
obj = umc_module_for_edit('dns/{}'.format(type), dn)
obj['zone'] = zone
obj['nameserver'] = nameserver
obj['a'] = interfaces
obj['refresh'] = convert_time(refresh)
obj['retry'] = convert_time(retry)
obj['expire'] = convert_time(expire)
obj['ttl'] = convert_time(ttl)
obj['contact'] = contact
obj['mx'] = mx
diff = obj.diff()
if exists:
for k in obj.keys():
if obj.hasChanged(k):
changed = True
else:
changed = True
if not module.check_mode:
if not exists:
obj.create()
elif changed:
obj.modify()
except Exception as e:
module.fail_json(
msg='Creating/editing dns zone {} failed: {}'.format(zone, e)
)
if state == 'absent' and exists:
try:
obj = umc_module_for_edit('dns/{}'.format(type), dn)
if not module.check_mode:
obj.remove()
changed = True
except Exception as e:
module.fail_json(
msg='Removing dns zone {} failed: {}'.format(zone, e)
)
module.exit_json(
changed=changed,
diff=diff,
zone=zone
)
if __name__ == '__main__':
main()
|
