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github-octodns/tests/test_octodns_provider_yaml.py

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Python

#
#
#
from __future__ import absolute_import, division, print_function, \
unicode_literals
from os import makedirs
from os.path import basename, dirname, isdir, isfile, join
from unittest import TestCase
from yaml import safe_load
from yaml.constructor import ConstructorError
from octodns.record import Create
from octodns.provider.base import Plan
from octodns.provider.yaml import _list_all_yaml_files, \
SplitYamlProvider, YamlProvider
from octodns.zone import SubzoneRecordException, Zone
from helpers import TemporaryDirectory
class TestYamlProvider(TestCase):
def test_provider(self):
source = YamlProvider('test', join(dirname(__file__), 'config'))
zone = Zone('unit.tests.', [])
dynamic_zone = Zone('dynamic.tests.', [])
# With target we don't add anything
source.populate(zone, target=source)
self.assertEqual(0, len(zone.records))
# without it we see everything
source.populate(zone)
self.assertEqual(23, len(zone.records))
source.populate(dynamic_zone)
self.assertEqual(6, len(dynamic_zone.records))
# Assumption here is that a clean round-trip means that everything
# worked as expected, data that went in came back out and could be
# pulled in yet again and still match up. That assumes that the input
# data completely exercises things. This assumption can be tested by
# relatively well by running
# ./script/coverage tests/test_octodns_provider_yaml.py and
# looking at the coverage file
# ./htmlcov/octodns_provider_yaml_py.html
with TemporaryDirectory() as td:
# Add some subdirs to make sure that it can create them
directory = join(td.dirname, 'sub', 'dir')
yaml_file = join(directory, 'unit.tests.yaml')
dynamic_yaml_file = join(directory, 'dynamic.tests.yaml')
target = YamlProvider('test', directory, supports_root_ns=False)
# We add everything
plan = target.plan(zone)
self.assertEqual(20, len([c for c in plan.changes
if isinstance(c, Create)]))
self.assertFalse(isfile(yaml_file))
# Now actually do it
self.assertEqual(20, target.apply(plan))
self.assertTrue(isfile(yaml_file))
# Dynamic plan
plan = target.plan(dynamic_zone)
self.assertEqual(6, len([c for c in plan.changes
if isinstance(c, Create)]))
self.assertFalse(isfile(dynamic_yaml_file))
# Apply it
self.assertEqual(6, target.apply(plan))
self.assertTrue(isfile(dynamic_yaml_file))
# There should be no changes after the round trip
reloaded = Zone('unit.tests.', [])
target.populate(reloaded)
self.assertDictEqual(
{'included': ['test']},
[x for x in reloaded.records
if x.name == 'included'][0]._octodns)
# manually copy over the root since it will have been ignored
# when things were written out
reloaded.add_record(zone.root_ns)
self.assertFalse(zone.changes(reloaded, target=source))
# A 2nd sync should still create everything
plan = target.plan(zone)
self.assertEqual(20, len([c for c in plan.changes
if isinstance(c, Create)]))
with open(yaml_file) as fh:
data = safe_load(fh.read())
# '' has some of both
roots = sorted(data.pop(''), key=lambda r: r['type'])
self.assertTrue('values' in roots[0]) # A
self.assertTrue('geo' in roots[0]) # geo made the trip
self.assertTrue('value' in roots[1]) # CAA
self.assertTrue('values' in roots[2]) # SSHFP
# these are stored as plural 'values'
self.assertTrue('values' in data.pop('_srv._tcp'))
self.assertTrue('values' in data.pop('mx'))
self.assertTrue('values' in data.pop('naptr'))
self.assertTrue('values' in data.pop('sub'))
self.assertTrue('values' in data.pop('txt'))
self.assertTrue('values' in data.pop('loc'))
self.assertTrue('values' in data.pop('urlfwd'))
# these are stored as singular 'value'
self.assertTrue('value' in data.pop('_imap._tcp'))
self.assertTrue('value' in data.pop('_pop3._tcp'))
self.assertTrue('value' in data.pop('aaaa'))
self.assertTrue('value' in data.pop('cname'))
self.assertTrue('value' in data.pop('dname'))
self.assertTrue('value' in data.pop('included'))
self.assertTrue('value' in data.pop('ptr'))
self.assertTrue('value' in data.pop('spf'))
self.assertTrue('value' in data.pop('www'))
self.assertTrue('value' in data.pop('www.sub'))
# make sure nothing is left
self.assertEqual([], list(data.keys()))
with open(dynamic_yaml_file) as fh:
data = safe_load(fh.read())
# make sure new dynamic records made the trip
dyna = data.pop('a')
self.assertTrue('values' in dyna)
# self.assertTrue('dynamic' in dyna)
# TODO:
# make sure new dynamic records made the trip
dyna = data.pop('aaaa')
self.assertTrue('values' in dyna)
# self.assertTrue('dynamic' in dyna)
dyna = data.pop('cname')
self.assertTrue('value' in dyna)
# self.assertTrue('dynamic' in dyna)
dyna = data.pop('real-ish-a')
self.assertTrue('values' in dyna)
# self.assertTrue('dynamic' in dyna)
dyna = data.pop('simple-weighted')
self.assertTrue('value' in dyna)
# self.assertTrue('dynamic' in dyna)
dyna = data.pop('pool-only-in-fallback')
self.assertTrue('value' in dyna)
# self.assertTrue('dynamic' in dyna)
# make sure nothing is left
self.assertEqual([], list(data.keys()))
def test_empty(self):
source = YamlProvider('test', join(dirname(__file__), 'config'),
supports_root_ns=False)
zone = Zone('empty.', [])
# without it we see everything
source.populate(zone)
self.assertEqual(0, len(zone.records))
def test_unsorted(self):
source = YamlProvider('test', join(dirname(__file__), 'config'),
supports_root_ns=False)
zone = Zone('unordered.', [])
with self.assertRaises(ConstructorError):
source.populate(zone)
source = YamlProvider('test', join(dirname(__file__), 'config'),
enforce_order=False, supports_root_ns=False)
# no exception
source.populate(zone)
self.assertEqual(2, len(zone.records))
def test_subzone_handling(self):
source = YamlProvider('test', join(dirname(__file__), 'config'),
supports_root_ns=False)
# If we add `sub` as a sub-zone we'll reject `www.sub`
zone = Zone('unit.tests.', ['sub'])
with self.assertRaises(SubzoneRecordException) as ctx:
source.populate(zone)
self.assertEqual('Record www.sub.unit.tests. is under a managed '
'subzone', str(ctx.exception))
class TestSplitYamlProvider(TestCase):
def test_list_all_yaml_files(self):
yaml_files = ('foo.yaml', '1.yaml', '$unit.tests.yaml')
all_files = ('something', 'else', '1', '$$', '-f') + yaml_files
all_dirs = ('dir1', 'dir2/sub', 'tricky.yaml')
with TemporaryDirectory() as td:
directory = join(td.dirname)
# Create some files, some of them with a .yaml extension, all of
# them empty.
for emptyfile in all_files:
open(join(directory, emptyfile), 'w').close()
# Do the same for some fake directories
for emptydir in all_dirs:
makedirs(join(directory, emptydir))
# This isn't great, but given the variable nature of the temp dir
# names, it's necessary.
d = list(basename(f) for f in _list_all_yaml_files(directory))
self.assertEqual(len(yaml_files), len(d))
def test_zone_directory(self):
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst')
zone = Zone('unit.tests.', [])
self.assertEqual(
join(dirname(__file__), 'config/split', 'unit.tests.tst'),
source._zone_directory(zone))
def test_apply_handles_existing_zone_directory(self):
with TemporaryDirectory() as td:
provider = SplitYamlProvider('test', join(td.dirname, 'config'),
extension='.tst')
makedirs(join(td.dirname, 'config', 'does.exist.tst'))
zone = Zone('does.exist.', [])
self.assertTrue(isdir(provider._zone_directory(zone)))
provider.apply(Plan(None, zone, [], True))
self.assertTrue(isdir(provider._zone_directory(zone)))
def test_provider(self):
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst')
zone = Zone('unit.tests.', [])
dynamic_zone = Zone('dynamic.tests.', [])
# With target we don't add anything
source.populate(zone, target=source)
self.assertEqual(0, len(zone.records))
# without it we see everything
source.populate(zone)
self.assertEqual(20, len(zone.records))
source.populate(dynamic_zone)
self.assertEqual(5, len(dynamic_zone.records))
with TemporaryDirectory() as td:
# Add some subdirs to make sure that it can create them
directory = join(td.dirname, 'sub', 'dir')
zone_dir = join(directory, 'unit.tests.tst')
dynamic_zone_dir = join(directory, 'dynamic.tests.tst')
target = SplitYamlProvider('test', directory,
extension='.tst',
supports_root_ns=False)
# We add everything
plan = target.plan(zone)
self.assertEqual(17, len([c for c in plan.changes
if isinstance(c, Create)]))
self.assertFalse(isdir(zone_dir))
# Now actually do it
self.assertEqual(17, target.apply(plan))
# Dynamic plan
plan = target.plan(dynamic_zone)
self.assertEqual(5, len([c for c in plan.changes
if isinstance(c, Create)]))
self.assertFalse(isdir(dynamic_zone_dir))
# Apply it
self.assertEqual(5, target.apply(plan))
self.assertTrue(isdir(dynamic_zone_dir))
# There should be no changes after the round trip
reloaded = Zone('unit.tests.', [])
target.populate(reloaded)
self.assertDictEqual(
{'included': ['test']},
[x for x in reloaded.records
if x.name == 'included'][0]._octodns)
# manually copy over the root since it will have been ignored
# when things were written out
reloaded.add_record(zone.root_ns)
self.assertFalse(zone.changes(reloaded, target=source))
# A 2nd sync should still create everything
plan = target.plan(zone)
self.assertEqual(17, len([c for c in plan.changes
if isinstance(c, Create)]))
yaml_file = join(zone_dir, '$unit.tests.yaml')
self.assertTrue(isfile(yaml_file))
with open(yaml_file) as fh:
data = safe_load(fh.read())
roots = sorted(data.pop(''), key=lambda r: r['type'])
self.assertTrue('values' in roots[0]) # A
self.assertTrue('geo' in roots[0]) # geo made the trip
self.assertTrue('value' in roots[1]) # CAA
self.assertTrue('values' in roots[2]) # SSHFP
# These records are stored as plural "values." Check each file to
# ensure correctness.
for record_name in ('_srv._tcp', 'mx', 'naptr', 'sub', 'txt',
'urlfwd'):
yaml_file = join(zone_dir, f'{record_name}.yaml')
self.assertTrue(isfile(yaml_file))
with open(yaml_file) as fh:
data = safe_load(fh.read())
self.assertTrue('values' in data.pop(record_name))
# These are stored as singular "value." Again, check each file.
for record_name in ('aaaa', 'cname', 'dname', 'included', 'ptr',
'spf', 'www.sub', 'www'):
yaml_file = join(zone_dir, f'{record_name}.yaml')
self.assertTrue(isfile(yaml_file))
with open(yaml_file) as fh:
data = safe_load(fh.read())
self.assertTrue('value' in data.pop(record_name))
# Again with the plural, this time checking dynamic.tests.
for record_name in ('a', 'aaaa', 'real-ish-a'):
yaml_file = join(
dynamic_zone_dir, f'{record_name}.yaml')
self.assertTrue(isfile(yaml_file))
with open(yaml_file) as fh:
data = safe_load(fh.read())
dyna = data.pop(record_name)
self.assertTrue('values' in dyna)
self.assertTrue('dynamic' in dyna)
# Singular again.
for record_name in ('cname', 'simple-weighted'):
yaml_file = join(dynamic_zone_dir, f'{record_name}.yaml')
self.assertTrue(isfile(yaml_file))
with open(yaml_file) as fh:
data = safe_load(fh.read())
dyna = data.pop(record_name)
self.assertTrue('value' in dyna)
self.assertTrue('dynamic' in dyna)
def test_empty(self):
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst')
zone = Zone('empty.', [])
# without it we see everything
source.populate(zone)
self.assertEqual(0, len(zone.records))
def test_unsorted(self):
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst')
zone = Zone('unordered.', [])
with self.assertRaises(ConstructorError):
source.populate(zone)
zone = Zone('unordered.', [])
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst', enforce_order=False)
# no exception
source.populate(zone)
self.assertEqual(2, len(zone.records))
def test_subzone_handling(self):
source = SplitYamlProvider(
'test', join(dirname(__file__), 'config/split'),
extension='.tst')
# If we add `sub` as a sub-zone we'll reject `www.sub`
zone = Zone('unit.tests.', ['sub'])
with self.assertRaises(SubzoneRecordException) as ctx:
source.populate(zone)
self.assertEqual('Record www.sub.unit.tests. is under a managed '
'subzone', str(ctx.exception))
class TestOverridingYamlProvider(TestCase):
def test_provider(self):
config = join(dirname(__file__), 'config')
override_config = join(dirname(__file__), 'config', 'override')
base = YamlProvider('base', config, populate_should_replace=False,
supports_root_ns=False)
override = YamlProvider('test', override_config,
populate_should_replace=True,
supports_root_ns=False)
zone = Zone('dynamic.tests.', [])
# Load the base, should see the 5 records
base.populate(zone)
got = {r.name: r for r in zone.records}
self.assertEqual(6, len(got))
# We get the "dynamic" A from the base config
self.assertTrue('dynamic' in got['a'].data)
# No added
self.assertFalse('added' in got)
# Load the overrides, should replace one and add 1
override.populate(zone)
got = {r.name: r for r in zone.records}
self.assertEqual(7, len(got))
# 'a' was replaced with a generic record
self.assertEqual({
'ttl': 3600,
'values': ['4.4.4.4', '5.5.5.5']
}, got['a'].data)
# And we have the new one
self.assertTrue('added' in got)