248 lines
9.6 KiB
Python
248 lines
9.6 KiB
Python
# Copyright 2020 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulate designate testing."""
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import logging
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import tenacity
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import subprocess
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import designateclient.v1.domains as domains
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import designateclient.v1.records as records
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import designateclient.v1.servers as servers
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import zaza.openstack.utilities.juju as zaza_juju
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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class BaseDesignateTest(test_utils.OpenStackBaseTest):
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"""Base for Designate charm tests."""
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@classmethod
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def setUpClass(cls, application_name=None, model_alias=None):
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"""Run class setup for running Designate charm operation tests."""
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application_name = application_name or "designate"
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model_alias = model_alias or ""
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super(BaseDesignateTest, cls).setUpClass(application_name, model_alias)
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os_release = openstack_utils.get_os_release
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if os_release() >= os_release('bionic_rocky'):
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cls.designate_svcs = [
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'designate-agent', 'designate-api', 'designate-central',
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'designate-mdns', 'designate-worker', 'designate-sink',
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'designate-producer',
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]
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else:
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cls.designate_svcs = [
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'designate-agent', 'designate-api', 'designate-central',
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'designate-mdns', 'designate-pool-manager', 'designate-sink',
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'designate-zone-manager',
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]
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# Get keystone session
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cls.post_xenial_queens = os_release() >= os_release('xenial_queens')
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overcloud_auth = openstack_utils.get_overcloud_auth()
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keystone = openstack_utils.get_keystone_client(overcloud_auth)
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keystone_session = openstack_utils.get_overcloud_keystone_session()
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if cls.post_xenial_queens:
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cls.designate = openstack_utils.get_designate_session_client(
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session=keystone_session
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)
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cls.domain_list = cls.designate.zones.list
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cls.domain_delete = cls.designate.zones.delete
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cls.domain_create = cls.designate.zones.create
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else:
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# Authenticate admin with designate endpoint
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designate_ep = keystone.service_catalog.url_for(
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service_type='dns',
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interface='publicURL')
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keystone_ep = keystone.service_catalog.url_for(
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service_type='identity',
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interface='publicURL')
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cls.designate = openstack_utils.get_designate_session_client(
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version=1,
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auth_url=keystone_ep,
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token=keystone_session.get_token(),
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tenant_name="admin",
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endpoint=designate_ep)
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cls.domain_list = cls.designate.domains.list
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cls.domain_delete = cls.designate.domains.delete
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cls.domain_create = cls.designate.domains.create
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cls.server_list = cls.designate.servers.list
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cls.server_create = cls.designate.servers.create
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cls.server_delete = cls.designate.servers.delete
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class DesignateTests(BaseDesignateTest):
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"""Designate charm restart and pause tests."""
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TEST_DOMAIN = 'amuletexample.com.'
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TEST_NS1_RECORD = 'ns1.{}'.format(TEST_DOMAIN)
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TEST_NS2_RECORD = 'ns2.{}'.format(TEST_DOMAIN)
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TEST_WWW_RECORD = "www.{}".format(TEST_DOMAIN)
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TEST_RECORD = {TEST_WWW_RECORD: '10.0.0.23'}
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def test_900_restart_on_config_change(self):
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"""Checking restart happens on config change.
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Change debug mode and assert that change propagates to the correct
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file and that services are restarted as a result
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"""
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# Services which are expected to restart upon config change,
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# and corresponding config files affected by the change
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conf_file = '/etc/designate/designate.conf'
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# Make config change, check for service restarts
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self.restart_on_changed_debug_oslo_config_file(
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conf_file,
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self.designate_svcs,
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)
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def test_910_pause_and_resume(self):
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"""Run pause and resume tests.
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Pause service and check services are stopped then resume and check
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they are started
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"""
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with self.pause_resume(
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self.designate_svcs,
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pgrep_full=False):
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logging.info("Testing pause resume")
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def _get_server_id(self, server_name=None, server_id=None):
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for srv in self.server_list():
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if isinstance(srv, dict):
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if srv['id'] == server_id or srv['name'] == server_name:
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return srv['id']
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elif srv.name == server_name or srv.id == server_id:
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return srv.id
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return None
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def _wait_on_server_gone(self, server_id):
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@tenacity.retry(
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wait=tenacity.wait_exponential(multiplier=1, min=5, max=10),
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reraise=True
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)
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def wait():
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logging.debug('Waiting for server %s to disappear', server_id)
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if self._get_server_id(server_id=server_id):
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raise Exception("Server Exists")
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self.server_delete(server_id)
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return wait()
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def test_400_server_creation(self):
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"""Simple api calls to create a server."""
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# Designate does not allow the last server to be deleted so ensure
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# that ns1 is always present
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if self.post_xenial_queens:
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logging.info('Skipping server creation tests for Queens and above')
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return
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if not self._get_server_id(server_name=self.TEST_NS1_RECORD):
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server = servers.Server(name=self.TEST_NS1_RECORD)
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new_server = self.server_create(server)
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self.assertIsNotNone(new_server)
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logging.debug('Checking if server exists before trying to create it')
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old_server_id = self._get_server_id(server_name=self.TEST_NS2_RECORD)
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if old_server_id:
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logging.debug('Deleting old server')
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self._wait_on_server_gone(old_server_id)
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logging.debug('Creating new server')
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server = servers.Server(name=self.TEST_NS2_RECORD)
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new_server = self.server_create(server)
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self.assertIsNotNone(new_server, "Failed to Create Server")
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self._wait_on_server_gone(self._get_server_id(self.TEST_NS2_RECORD))
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def _get_domain_id(self, domain_name=None, domain_id=None):
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for dom in self.domain_list():
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if isinstance(dom, dict):
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if dom['id'] == domain_id or dom['name'] == domain_name:
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return dom['id']
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elif dom.id == domain_id or dom.name == domain_name:
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return dom.id
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return None
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def _wait_on_domain_gone(self, domain_id):
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@tenacity.retry(
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wait=tenacity.wait_exponential(multiplier=1, min=5, max=10),
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reraise=True
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)
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def wait():
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logging.debug('Waiting for domain %s to disappear', domain_id)
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if self._get_domain_id(domain_id=domain_id):
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raise Exception("Domain Exists")
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self.domain_delete(domain_id)
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wait()
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@tenacity.retry(
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wait=tenacity.wait_exponential(multiplier=1, min=5, max=10),
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reraise=True
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)
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def _wait_to_resolve_test_record(self):
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dns_ip = zaza_juju.get_relation_from_unit(
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'designate/0',
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'designate-bind/0',
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'dns-backend'
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).get('private-address')
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logging.info('Waiting for dns record to propagate @ {}'.format(dns_ip))
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lookup_cmd = [
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'dig', '+short', '@{}'.format(dns_ip),
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self.TEST_WWW_RECORD]
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cmd_out = subprocess.check_output(
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lookup_cmd, universal_newlines=True).rstrip()
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if not self.TEST_RECORD[self.TEST_WWW_RECORD] == cmd_out:
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raise Exception("Record Doesn't Exist")
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def test_400_domain_creation(self):
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"""Simple api calls to create domain."""
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logging.debug('Checking if domain exists before trying to create it')
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old_dom_id = self._get_domain_id(domain_name=self.TEST_DOMAIN)
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if old_dom_id:
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logging.debug('Deleting old domain')
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self._wait_on_domain_gone(old_dom_id)
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logging.debug('Creating new domain')
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domain = domains.Domain(
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name=self.TEST_DOMAIN,
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email="fred@amuletexample.com")
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if self.post_xenial_queens:
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new_domain = self.domain_create(
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name=domain.name, email=domain.email)
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else:
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new_domain = self.domain_create(domain)
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self.assertIsNotNone(new_domain)
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logging.debug('Creating new test record')
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_record = records.Record(
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name=self.TEST_WWW_RECORD,
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type="A",
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data=self.TEST_RECORD[self.TEST_WWW_RECORD])
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if self.post_xenial_queens:
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domain_id = new_domain['id']
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self.designate.recordsets.create(
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domain_id, _record.name, _record.type, [_record.data])
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else:
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domain_id = new_domain.id
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self.designate.records.create(domain_id, _record)
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self._wait_to_resolve_test_record()
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logging.debug('Tidy up delete test record')
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self._wait_on_domain_gone(domain_id)
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logging.debug('OK')
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