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helps if you add the files, AutoArpa

This commit is contained in:
Ross McFarland
2023-01-19 12:19:10 -08:00
parent bc6a2d8067
commit 8dd690ac88
2 changed files with 236 additions and 0 deletions

59
octodns/processor/arpa.py Normal file
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#
#
#
from ipaddress import ip_address
from logging import getLogger
from ..record import Record
from .base import BaseProcessor
class AutoArpa(BaseProcessor):
def __init__(self, name, ttl=3600):
super().__init__(name)
self.log = getLogger(f'AutoArpa[{name}]')
self.ttl = ttl
self._records = {}
def process_source_zone(self, desired, sources):
for record in desired.records:
if record._type in ('A', 'AAAA'):
ips = record.values
if record.geo:
for geo in record.geo.values():
ips += geo.values
if record.dynamic:
for pool in record.dynamic.pools.values():
for value in pool.data['values']:
ips.append(value['value'])
for ip in ips:
ptr = ip_address(ip).reverse_pointer
self._records[f'{ptr}.'] = record.fqdn
return desired
def populate(self, zone, target=False, lenient=False):
self.log.debug(
'populate: name=%s, target=%s, lenient=%s',
zone.name,
target,
lenient,
)
before = len(zone.records)
zone_name = zone.name
n = len(zone_name) + 1
for arpa, fqdn in self._records.items():
if arpa.endswith(zone_name):
name = arpa[:-n]
record = Record.new(
zone, name, {'ttl': self.ttl, 'type': 'PTR', 'value': fqdn}
)
zone.add_record(record)
self.log.info(
'populate: found %s records', len(zone.records) - before
)

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#
#
#
from unittest import TestCase
from octodns.processor.arpa import AutoArpa
from octodns.record import Record
from octodns.zone import Zone
class TestAutoArpa(TestCase):
def test_empty_zone(self):
# empty zone no records
zone = Zone('unit.tests.', [])
aa = AutoArpa('auto-arpa')
aa.process_source_zone(zone, [])
self.assertFalse(aa._records)
def test_single_value_A(self):
zone = Zone('unit.tests.', [])
record = Record.new(
zone, 'a', {'ttl': 32, 'type': 'A', 'value': '1.2.3.4'}
)
zone.add_record(record)
aa = AutoArpa('auto-arpa')
aa.process_source_zone(zone, [])
self.assertEqual(
{'4.3.2.1.in-addr.arpa.': 'a.unit.tests.'}, aa._records
)
# matching zone
arpa = Zone('3.2.1.in-addr.arpa.', [])
aa.populate(arpa)
self.assertEqual(1, len(arpa.records))
(ptr,) = arpa.records
self.assertEqual('4.3.2.1.in-addr.arpa.', ptr.fqdn)
self.assertEqual(record.fqdn, ptr.value)
self.assertEqual(3600, ptr.ttl)
# other zone
arpa = Zone('4.4.4.in-addr.arpa.', [])
aa.populate(arpa)
self.assertEqual(0, len(arpa.records))
def test_multi_value_A(self):
zone = Zone('unit.tests.', [])
record = Record.new(
zone,
'a',
{'ttl': 32, 'type': 'A', 'values': ['1.2.3.4', '1.2.3.5']},
)
zone.add_record(record)
aa = AutoArpa('auto-arpa', ttl=1600)
aa.process_source_zone(zone, [])
self.assertEqual(
{
'4.3.2.1.in-addr.arpa.': 'a.unit.tests.',
'5.3.2.1.in-addr.arpa.': 'a.unit.tests.',
},
aa._records,
)
arpa = Zone('3.2.1.in-addr.arpa.', [])
aa.populate(arpa)
self.assertEqual(2, len(arpa.records))
ptr_1, ptr_2 = sorted(arpa.records)
self.assertEqual('4.3.2.1.in-addr.arpa.', ptr_1.fqdn)
self.assertEqual(record.fqdn, ptr_1.value)
self.assertEqual('5.3.2.1.in-addr.arpa.', ptr_2.fqdn)
self.assertEqual(record.fqdn, ptr_2.value)
self.assertEqual(1600, ptr_2.ttl)
def test_AAAA(self):
zone = Zone('unit.tests.', [])
record = Record.new(
zone, 'aaaa', {'ttl': 32, 'type': 'AAAA', 'value': 'ff:0c::4:2'}
)
zone.add_record(record)
aa = AutoArpa('auto-arpa')
aa.process_source_zone(zone, [])
ip6_arpa = '2.0.0.0.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.c.0.0.0.f.f.0.0.ip6.arpa.'
self.assertEqual({ip6_arpa: 'aaaa.unit.tests.'}, aa._records)
# matching zone
arpa = Zone('c.0.0.0.f.f.0.0.ip6.arpa.', [])
aa.populate(arpa)
self.assertEqual(1, len(arpa.records))
(ptr,) = arpa.records
self.assertEqual(ip6_arpa, ptr.fqdn)
self.assertEqual(record.fqdn, ptr.value)
# other zone
arpa = Zone('c.0.0.0.e.f.0.0.ip6.arpa.', [])
aa.populate(arpa)
self.assertEqual(0, len(arpa.records))
def test_geo(self):
zone = Zone('unit.tests.', [])
record = Record.new(
zone,
'geo',
{
'ttl': 32,
'type': 'A',
'values': ['1.2.3.4', '1.2.3.5'],
'geo': {
'AF': ['1.1.1.1'],
'AS-JP': ['2.2.2.2', '3.3.3.3'],
'NA-US': ['4.4.4.4', '5.5.5.5'],
},
},
)
zone.add_record(record)
aa = AutoArpa('auto-arpa')
aa.process_source_zone(zone, [])
self.assertEqual(
{
'1.1.1.1.in-addr.arpa.': 'geo.unit.tests.',
'2.2.2.2.in-addr.arpa.': 'geo.unit.tests.',
'3.3.3.3.in-addr.arpa.': 'geo.unit.tests.',
'4.4.4.4.in-addr.arpa.': 'geo.unit.tests.',
'5.5.5.5.in-addr.arpa.': 'geo.unit.tests.',
'4.3.2.1.in-addr.arpa.': 'geo.unit.tests.',
'5.3.2.1.in-addr.arpa.': 'geo.unit.tests.',
},
aa._records,
)
def test_dynamic(self):
zone = Zone('unit.tests.', [])
record = Record.new(
zone,
'dynamic',
{
'ttl': 32,
'type': 'A',
'values': ['1.2.3.4', '1.2.3.5'],
'dynamic': {
'pools': {
'one': {'values': [{'weight': 1, 'value': '3.3.3.3'}]},
'two': {
# Testing out of order value sorting here
'values': [
{'value': '5.5.5.5'},
{'value': '4.4.4.4'},
]
},
'three': {
'values': [
{'weight': 10, 'value': '4.4.4.4'},
{'weight': 12, 'value': '5.5.5.5'},
]
},
},
'rules': [
{'geos': ['AF', 'EU'], 'pool': 'three'},
{'geos': ['NA-US-CA'], 'pool': 'two'},
{'pool': 'one'},
],
},
},
)
zone.add_record(record)
aa = AutoArpa('auto-arpa')
aa.process_source_zone(zone, [])
self.assertEqual(
{
'3.3.3.3.in-addr.arpa.': 'dynamic.unit.tests.',
'4.4.4.4.in-addr.arpa.': 'dynamic.unit.tests.',
'5.5.5.5.in-addr.arpa.': 'dynamic.unit.tests.',
'4.3.2.1.in-addr.arpa.': 'dynamic.unit.tests.',
'5.3.2.1.in-addr.arpa.': 'dynamic.unit.tests.',
},
aa._records,
)