mirror of
https://github.com/github/octodns.git
synced 2024-05-11 05:55:00 +00:00
106 lines
3.8 KiB
Python
106 lines
3.8 KiB
Python
#
|
|
#
|
|
#
|
|
|
|
from __future__ import absolute_import, division, print_function, \
|
|
unicode_literals
|
|
|
|
from collections import defaultdict
|
|
from os import makedirs
|
|
from os.path import isdir, join
|
|
import logging
|
|
|
|
from ..record import Record
|
|
from ..yaml import safe_load, safe_dump
|
|
from .base import BaseProvider
|
|
|
|
|
|
class YamlProvider(BaseProvider):
|
|
'''
|
|
Core provider for records configured in yaml files on disk.
|
|
|
|
config:
|
|
class: octodns.provider.yaml.YamlProvider
|
|
# The location of yaml config files (required)
|
|
directory: ./config
|
|
# The ttl to use for records when not specified in the data
|
|
# (optional, default 3600)
|
|
default_ttl: 3600
|
|
# Whether or not to enforce sorting order on the yaml config
|
|
# (optional, default True)
|
|
enforce_order: True
|
|
'''
|
|
SUPPORTS_GEO = True
|
|
SUPPORTS = set(('A', 'AAAA', 'ALIAS', 'CAA', 'CNAME', 'MX', 'NAPTR', 'NS',
|
|
'PTR', 'SSHFP', 'SPF', 'SRV', 'TXT'))
|
|
|
|
def __init__(self, id, directory, default_ttl=3600, enforce_order=True,
|
|
*args, **kwargs):
|
|
self.log = logging.getLogger('YamlProvider[{}]'.format(id))
|
|
self.log.debug('__init__: id=%s, directory=%s, default_ttl=%d, '
|
|
'enforce_order=%d', id, directory, default_ttl,
|
|
enforce_order)
|
|
super(YamlProvider, self).__init__(id, *args, **kwargs)
|
|
self.directory = directory
|
|
self.default_ttl = default_ttl
|
|
self.enforce_order = enforce_order
|
|
|
|
def populate(self, zone, target=False, lenient=False):
|
|
self.log.debug('populate: name=%s, target=%s, lenient=%s', zone.name,
|
|
target, lenient)
|
|
|
|
if target:
|
|
# When acting as a target we ignore any existing records so that we
|
|
# create a completely new copy
|
|
return False
|
|
|
|
before = len(zone.records)
|
|
filename = join(self.directory, '{}yaml'.format(zone.name))
|
|
with open(filename, 'r') as fh:
|
|
yaml_data = safe_load(fh, enforce_order=self.enforce_order)
|
|
if yaml_data:
|
|
for name, data in yaml_data.items():
|
|
if not isinstance(data, list):
|
|
data = [data]
|
|
for d in data:
|
|
if 'ttl' not in d:
|
|
d['ttl'] = self.default_ttl
|
|
record = Record.new(zone, name, d, source=self,
|
|
lenient=lenient)
|
|
zone.add_record(record, lenient=lenient)
|
|
|
|
self.log.info('populate: found %s records, exists=False',
|
|
len(zone.records) - before)
|
|
return False
|
|
|
|
def _apply(self, plan):
|
|
desired = plan.desired
|
|
changes = plan.changes
|
|
self.log.debug('_apply: zone=%s, len(changes)=%d', desired.name,
|
|
len(changes))
|
|
# Since we don't have existing we'll only see creates
|
|
records = [c.new for c in changes]
|
|
# Order things alphabetically (records sort that way
|
|
records.sort()
|
|
data = defaultdict(list)
|
|
for record in records:
|
|
d = record.data
|
|
d['type'] = record._type
|
|
if record.ttl == self.default_ttl:
|
|
# ttl is the default, we don't need to store it
|
|
del d['ttl']
|
|
data[record.name].append(d)
|
|
|
|
# Flatten single element lists
|
|
for k in data.keys():
|
|
if len(data[k]) == 1:
|
|
data[k] = data[k][0]
|
|
|
|
if not isdir(self.directory):
|
|
makedirs(self.directory)
|
|
|
|
filename = join(self.directory, '{}yaml'.format(desired.name))
|
|
self.log.debug('_apply: writing filename=%s', filename)
|
|
with open(filename, 'w') as fh:
|
|
safe_dump(dict(data), fh)
|