155 lines
5.4 KiB
Python
155 lines
5.4 KiB
Python
# Copyright 2016 Hewlett Packard Enterprise Development Company LP
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#
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# Author: Federico Ceratto <federico.ceratto@hpe.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Functional-test the Gdnsd 2 agent backend
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These tests rely on creating directories and files and running
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gdnsd.
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gdnsd must be installed
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"""
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from textwrap import dedent as de
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import glob
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import os
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import tempfile
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import unittest
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from oslo_concurrency.processutils import ProcessExecutionError
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from oslo_config import cfg
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from oslo_config import fixture as cfg_fixture
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import dns
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import fixtures
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import mock
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import testtools
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from designate import exceptions
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from designate.backend.agent_backend.impl_gdnsd import CFG_GROUP
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from designate.backend.agent_backend.impl_gdnsd import GdnsdBackend
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from designate.tests import TestCase
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TMPFS_DIR = "/dev/shm"
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ROOT_TMP_DIR = TMPFS_DIR if os.path.isdir(TMPFS_DIR) else "/tmp"
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GDNSD_BIN_PATH = "/usr/sbin/gdnsd"
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GDNSD_NOT_AVAILABLE = not os.path.isfile(GDNSD_BIN_PATH)
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ZONE_TPL = """
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$ORIGIN %(name)s
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%(name)s 3600 IN SOA ns.%(name)s email.%(name)s. 1421777854 3600 600 86400 3600
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%(name)s 3600 IN NS ns.%(name)s
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ns 300 IN A 127.0.0.1
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""" # noqa
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class GdnsdAgentBackendTestCase(TestCase):
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def setUp(self):
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super(GdnsdAgentBackendTestCase, self).setUp()
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self.conf_dir_path = tempfile.mkdtemp(dir=ROOT_TMP_DIR)
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self.zones_dir_path = os.path.join(self.conf_dir_path, 'zones')
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os.mkdir(self.zones_dir_path)
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self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
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cfg.CONF.set_override('confdir_path', self.conf_dir_path, CFG_GROUP)
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cfg.CONF.set_override('gdnsd_cmd_name', GDNSD_BIN_PATH, CFG_GROUP)
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self.backend = GdnsdBackend('foo')
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def tearDown(self):
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super(GdnsdAgentBackendTestCase, self).tearDown()
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for zone_fn in glob.glob(os.path.join(self.zones_dir_path, "*.org")):
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os.remove(zone_fn)
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os.rmdir(self.zones_dir_path)
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os.rmdir(self.conf_dir_path)
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def _patch_ob(self, *a, **kw):
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self.useFixture(fixtures.MockPatchObject(*a, **kw))
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def _create_dnspy_zone(self, name):
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name = name.rstrip('.')
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zone_text = ZONE_TPL % {'name': name}
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return dns.zone.from_text(zone_text, check_origin=False)
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def _create_dnspy_zone_with_records(self, name):
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zone_text = (
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'$ORIGIN %(name)s\n'
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'@ 3600 IN SOA %(ns)s email.%(name)s 1421777854 3600 600 86400 3600\n' # noqa
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' 3600 IN NS %(ns)s\n'
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' 1800 IN A 173.194.123.30\n'
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' 1800 IN A 173.194.123.31\n'
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's 2400 IN AAAA 2001:db8:cafe::1\n'
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's 2400 IN AAAA 2001:db8:cafe::2\n'
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% {'name': name, 'ns': 'ns1.example.net.'}
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)
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return dns.zone.from_text(zone_text, check_origin=False)
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@mock.patch('designate.utils.execute', return_value=("", ""))
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def test_start(self, *mocks):
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self.backend.start()
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@mock.patch('designate.utils.execute', side_effect=ProcessExecutionError)
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def test_exec_error(self, *mocks):
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with testtools.ExpectedException(exceptions.Backend):
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self.backend._check_conf()
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def test_create_zone(self, *mocks):
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zone = self._create_dnspy_zone('example.org')
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self.backend.create_zone(zone)
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zone_fn = os.path.join(self.zones_dir_path, "example.org")
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expected = de("""\
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ns 300 IN A 127.0.0.1
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@ 3600 IN SOA ns email.example.org. 1421777854 3600 600 86400 3600
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@ 3600 IN NS ns
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""")
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with open(zone_fn) as f:
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self.assertEqual(expected, f.read())
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@unittest.skipIf(GDNSD_NOT_AVAILABLE, "gdnsd binary not installed")
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def test_create_zone_and_check(self):
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zone = self._create_dnspy_zone('example.org')
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self.backend.create_zone(zone)
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self.backend._check_conf()
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def test_update_zone(self):
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zone = self._create_dnspy_zone_with_records('example.org')
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self.backend.update_zone(zone)
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zone_fn = os.path.join(self.zones_dir_path, "example.org")
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expected = de("""\
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@ 3600 IN SOA ns1.example.net. email 1421777854 3600 600 86400 3600
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@ 3600 IN NS ns1.example.net.
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@ 1800 IN A 173.194.123.30
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@ 1800 IN A 173.194.123.31
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s 2400 IN AAAA 2001:db8:cafe::1
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s 2400 IN AAAA 2001:db8:cafe::2
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""") # noqa
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with open(zone_fn) as f:
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self.assertEqual(expected, f.read())
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@unittest.skipIf(GDNSD_NOT_AVAILABLE, "gdnsd binary not installed")
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def test_update_zone_and_check(self):
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zone = self._create_dnspy_zone_with_records('example.org')
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self.backend.update_zone(zone)
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self.backend._check_conf()
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def test_delete_zone(self):
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foo_fn = os.path.join(self.zones_dir_path, 'foo')
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with open(foo_fn, 'w') as f:
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f.write("42")
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self.backend.delete_zone('foo')
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self.assertFalse(os.path.isfile(foo_fn))
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self.backend.delete_zone('foo')
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