summaryrefslogtreecommitdiff
path: root/lib/ansible/modules/cloud/univention/udm_dns_zone.py
blob: 5b3069f4bdcbf7dc412e7e50d23b31ea82f3ea39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
#!/usr/bin/python
# -*- coding: UTF-8 -*-

# Copyright (c) 2016, Adfinis SyGroup AG
# Tobias Rueetschi <tobias.ruetschi@adfinis-sygroup.ch>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import absolute_import, division, print_function
__metaclass__ = type


ANSIBLE_METADATA = {'metadata_version': '1.1',
                    'status': ['preview'],
                    'supported_by': 'community'}


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 = '''# '''

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,
)


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()