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
|
from octodns.provider.base import BaseProvider
import logging
import dns.zone
import dns.rdataclass
import dns.rdatatype
import os
class RdataParameterException(Exception):
def __init__(self, msg):
super().__init__(msg)
def _create_rdata( rdclass, rdtype, data ):
if isinstance(data,str):
if rdtype == 16: # TXT-Record
return dns.rdata.from_text(rdclass, rdtype, '"'+data+'"')
return dns.rdata.from_text(rdclass, rdtype, data)
cls = dns.rdata.get_rdata_class(rdclass, rdtype)
if rdtype == 257: # CAA-Record
data['tag'] = bytes(data['tag'], 'utf-8')
data['value'] = bytes(data['value'], 'utf-8')
if rdtype == 44: # SSHFP-Record
data['algorithm'] = data.pop('algorithm')
data['fp_type'] = data.pop('fingerprint_type')
data['fingerprint'] = bytes.fromhex(data['fingerprint'])
if rdtype == 52: # TLSA-Record
data['usage'] = data.pop('certificate_usage')
data['mtype'] = data.pop('matching_type')
data['cert'] = bytes.fromhex(data.pop('certificate_association_data'))
if rdtype == 35: # NAPTR-Record
data['order'] = data.pop('order')
data['preference'] = data.pop('preference')
data['flags'] = data.pop('flags')
data['regexp'] = data.pop('regexp')
data['replacement'] = data.pop('replacement')
for slot in cls.__slots__:
if not slot in data:
raise RdataParameterException('{} is missing'.format(slot))
return cls(rdclass, rdtype, **data)
class ZoneFileProvider(BaseProvider):
SUPPORTS_MULTIVALUE_PTR = True
SUPPORTS_GEO = False
SUPPORTS = set(('A', 'AAAA', 'CAA', 'CNAME', 'MX', 'NAPTR', 'NS', 'PTR',
'SPF', 'SRV', 'SSHFP', 'TLSA', 'TXT'))
'''
SOA dict
{
mname
rname
serial
refresh
retry
expire
ttl
}
'''
def __init__(self, id, directory, soa, soa_ttl=3600, file_extension = '', support_root_ns = True):
'''
Arguments
=========
id: str
directory: str
soa: dict
extension: str
'''
self.log = logging.getLogger('ZoneFileProvider[{}]'.format(id))
self.log.debug('__init__: directory={}'.format(directory))
self.directory = directory
self.file_extension = file_extension
self.soa = soa
self.soa_ttl = soa_ttl
self.support_root_ns = support_root_ns
# OctoDNS does not recursively check dicts for 'env/' keyword
# TODO Error handling
serial = self.soa['serial']
if type(serial) == str and serial.startswith('env/'):
self.soa['serial'] = int(os.environ[ serial.split('/',1)[1] ])
super(ZoneFileProvider, self).__init__(id)
@property
def SUPPORTS_ROOT_NS(self):
return self.support_root_ns
def populate(self, zone, target=False, lenient=False):
if target:
return False
raise NotImplementedError(
"ZoneFileProvider only implements the target part." +
" Use OctoDns' own ZoneFileSource to read from ZoneFiles.")
def _apply(self, plan):
'''
Arguments
=========
plan: octodns.provider.plan.Plan
'''
zone = dns.zone.Zone(plan.desired.name)
soaset = dns.rdataset.Rdataset(
dns.rdataclass.IN, dns.rdatatype.SOA)
soaset.add(_create_rdata(
dns.rdataclass.IN,
dns.rdatatype.SOA,
self.soa), self.soa_ttl)
zone.replace_rdataset('@',soaset)
for record in plan.desired.records:
data = record.data
name = record.name
rdset = dns.rdataset.Rdataset(
dns.rdataclass.IN, dns.rdatatype.from_text(record._type))
if 'value' in data:
rdset.add(
_create_rdata(
dns.rdataclass.IN,
dns.rdatatype.from_text(record._type),
data['value']),
ttl=int(data['ttl']))
elif 'values' in data:
for value in data['values']:
rdset.add(
_create_rdata(
dns.rdataclass.IN,
dns.rdatatype.from_text(record._type),
value),
ttl=int(data['ttl']))
else:
self.log.warning(
"neither value nor values found in {}".format(name))
continue
zone.replace_rdataset(name, rdset)
zone.to_file(self.directory + '/' + plan.desired.name + self.file_extension)
|