4000b6ea72
Closes-Bug: #1804057 func-test-pr: https://github.com/openstack-charmers/zaza-openstack-tests/pull/685 Change-Id: I29f2eeca508048fdf8464193368cce5720559b9e
287 lines
11 KiB
Python
287 lines
11 KiB
Python
# Copyright 2016 Canonical Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
import unittest
|
|
|
|
from unittest import mock
|
|
import sys
|
|
|
|
# Modules imported from other interfaces/layers need to be mocked
|
|
sys.modules[
|
|
'relations.hacluster.interface_hacluster.common'
|
|
] = mock.MagicMock()
|
|
|
|
import reactive.designate_bind_handlers as handlers
|
|
|
|
|
|
_when_args = {}
|
|
_when_not_args = {}
|
|
|
|
|
|
def mock_hook_factory(d):
|
|
|
|
def mock_hook(*args, **kwargs):
|
|
|
|
def inner(f):
|
|
# remember what we were passed. Note that we can't actually
|
|
# determine the class we're attached to, as the decorator only gets
|
|
# the function.
|
|
try:
|
|
d[f.__name__].append(dict(args=args, kwargs=kwargs))
|
|
except KeyError:
|
|
d[f.__name__] = [dict(args=args, kwargs=kwargs)]
|
|
return f
|
|
return inner
|
|
return mock_hook
|
|
|
|
|
|
class TestDesignateHandlers(unittest.TestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls._patched_when = mock.patch('charms.reactive.when',
|
|
mock_hook_factory(_when_args))
|
|
cls._patched_when_started = cls._patched_when.start()
|
|
cls._patched_when_not = mock.patch('charms.reactive.when_not',
|
|
mock_hook_factory(_when_not_args))
|
|
cls._patched_when_not_started = cls._patched_when_not.start()
|
|
# force requires to rerun the mock_hook decorator:
|
|
# try except is Python2/Python3 compatibility as Python3 has moved
|
|
# reload to importlib.
|
|
try:
|
|
reload(handlers)
|
|
except NameError:
|
|
import importlib
|
|
importlib.reload(handlers)
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
cls._patched_when.stop()
|
|
cls._patched_when_started = None
|
|
cls._patched_when = None
|
|
cls._patched_when_not.stop()
|
|
cls._patched_when_not_started = None
|
|
cls._patched_when_not = None
|
|
# and fix any breakage we did to the module
|
|
try:
|
|
reload(handlers)
|
|
except NameError:
|
|
import importlib
|
|
importlib.reload(handlers)
|
|
|
|
def setUp(self):
|
|
self._patches = {}
|
|
self._patches_start = {}
|
|
|
|
def tearDown(self):
|
|
for k, v in self._patches.items():
|
|
v.stop()
|
|
setattr(self, k, None)
|
|
self._patches = None
|
|
self._patches_start = None
|
|
|
|
def patch(self, obj, attr, return_value=None):
|
|
mocked = mock.patch.object(obj, attr)
|
|
self._patches[attr] = mocked
|
|
started = mocked.start()
|
|
started.return_value = return_value
|
|
self._patches_start[attr] = started
|
|
setattr(self, attr, started)
|
|
|
|
def test_registered_hooks(self):
|
|
# test that the hooks actually registered the relation expressions that
|
|
# are meaningful for this interface: this is to handle regressions.
|
|
# The keys are the function names that the hook attaches to.
|
|
when_patterns = {
|
|
'setup_sync_target_alone': [('installed', )],
|
|
'send_info': [
|
|
('dns-backend.related', ),
|
|
('rndckey.available', ),
|
|
],
|
|
'config_changed': [
|
|
('dns-backend.related', ),
|
|
('rndckey.available', ),
|
|
],
|
|
'update_zones_from_peer': [
|
|
('cluster.connected', ),
|
|
('sync.request.sent', ),
|
|
],
|
|
'check_zone_status': [
|
|
('cluster.connected', ),
|
|
('installed', ),
|
|
],
|
|
'process_sync_requests': [
|
|
('cluster.connected', ),
|
|
('zones.initialised', ),
|
|
],
|
|
'assess_status': [('zones.initialised', )],
|
|
'service_ips_changed': [('config.changed.service_ips', )],
|
|
'hacluster_connected': [('ha.connected', )],
|
|
'hacluster_departed': [('ha-relation-departed',)],
|
|
}
|
|
when_not_patterns = {
|
|
'install_packages': [('installed', )],
|
|
'setup_secret': [('rndckey.available', )],
|
|
'update_zones_from_peer': [('zones.initialised', )],
|
|
'setup_sync_target_alone': [
|
|
('cluster.connected', ),
|
|
('zones.initialised', ),
|
|
('sync.request.sent', ),
|
|
],
|
|
'check_zone_status': [
|
|
('zones.initialised', ),
|
|
('sync.request.sent', ),
|
|
],
|
|
}
|
|
# check the when hooks are attached to the expected functions
|
|
for t, p in [(_when_args, when_patterns),
|
|
(_when_not_args, when_not_patterns)]:
|
|
for f, args in t.items():
|
|
# check that function is in patterns
|
|
print(f)
|
|
self.assertTrue(f in p.keys())
|
|
# check that the lists are equal
|
|
newlist = [a['args'] for a in args]
|
|
self.assertEqual(newlist, p[f])
|
|
|
|
def test_install_packages(self):
|
|
self.patch(handlers.designate_bind, 'install')
|
|
self.patch(handlers.designate_bind, 'set_apparmor')
|
|
self.patch(handlers.reactive, 'set_state')
|
|
handlers.install_packages()
|
|
self.install.assert_called_once_with()
|
|
self.set_apparmor.assert_called_once_with()
|
|
self.set_state.assert_called_once_with('installed')
|
|
|
|
def test_setup_secret(self):
|
|
self.patch(handlers.designate_bind, 'init_rndckey')
|
|
self.patch(handlers.reactive, 'set_state')
|
|
self.init_rndckey.return_value = None
|
|
handlers.setup_secret()
|
|
self.assertFalse(self.set_state.called)
|
|
self.init_rndckey.return_value = 'secret'
|
|
handlers.setup_secret()
|
|
self.set_state.assert_called_with('rndckey.available')
|
|
|
|
def test_setup_info(self):
|
|
dnsclient = mock.MagicMock()
|
|
self.patch(handlers.designate_bind, 'get_rndc_secret')
|
|
self.patch(handlers.designate_bind, 'get_rndc_algorithm')
|
|
self.get_rndc_secret.return_value = 'secret'
|
|
self.get_rndc_algorithm.return_value = 'hmac-md5'
|
|
handlers.send_info(dnsclient)
|
|
dnsclient.send_rndckey_info.assert_called_once_with(
|
|
'secret',
|
|
'hmac-md5')
|
|
|
|
def test_config_changed(self):
|
|
self.patch(handlers.designate_bind, 'set_apparmor')
|
|
self.patch(handlers.designate_bind, 'render_all_configs')
|
|
handlers.config_changed('arg1', 'arg2')
|
|
self.set_apparmor.assert_called_once_with()
|
|
self.render_all_configs.assert_called_once_with(('arg1', 'arg2', ))
|
|
|
|
def test_setup_sync_target_alone(self):
|
|
self.patch(handlers.hookenv, 'is_leader')
|
|
self.patch(handlers.designate_bind, 'setup_sync')
|
|
self.patch(handlers.reactive, 'set_state')
|
|
self.is_leader.return_value = False
|
|
handlers.setup_sync_target_alone()
|
|
self.assertFalse(self.setup_sync.called)
|
|
self.assertFalse(self.set_state.called)
|
|
self.is_leader.return_value = True
|
|
handlers.setup_sync_target_alone()
|
|
self.setup_sync.assert_called_once_with()
|
|
self.set_state.assert_called_once_with('zones.initialised')
|
|
|
|
def test_update_zones_from_peer(self):
|
|
self.patch(handlers.designate_bind, 'retrieve_zones')
|
|
handlers.update_zones_from_peer('hacluster')
|
|
self.retrieve_zones.assert_called_once_with('hacluster')
|
|
|
|
def test_check_zone_status(self):
|
|
self.patch(handlers.hookenv, 'is_leader')
|
|
self.patch(handlers.reactive, 'set_state')
|
|
self.patch(handlers.designate_bind, 'get_sync_time')
|
|
self.patch(handlers.designate_bind, 'retrieve_zones')
|
|
self.patch(handlers.designate_bind, 'setup_sync')
|
|
self.patch(handlers.designate_bind, 'request_sync')
|
|
# Leader test: Retrieve sync
|
|
self.is_leader.return_value = True
|
|
self.get_sync_time.return_value = 100
|
|
handlers.check_zone_status('hacluster')
|
|
self.retrieve_zones.assert_called_once_with()
|
|
self.retrieve_zones.reset_mock()
|
|
# Leader test: Setup sync
|
|
self.is_leader.return_value = True
|
|
self.get_sync_time.return_value = None
|
|
handlers.check_zone_status('hacluster')
|
|
self.assertFalse(self.retrieve_zones.called)
|
|
self.setup_sync.assert_called_once_with()
|
|
self.set_state.assert_called_once_with('zones.initialised')
|
|
# Non-Leader test
|
|
self.is_leader.return_value = False
|
|
handlers.check_zone_status('hacluster')
|
|
self.request_sync.assert_called_once_with('hacluster')
|
|
|
|
def test_process_sync_requests(self):
|
|
self.patch(handlers.hookenv, 'is_leader')
|
|
self.patch(handlers.designate_bind, 'process_requests')
|
|
self.is_leader.return_value = False
|
|
handlers.process_sync_requests('hacluster')
|
|
self.assertFalse(self.process_requests.called)
|
|
self.process_requests.reset_mock()
|
|
self.is_leader.return_value = True
|
|
handlers.process_sync_requests('hacluster')
|
|
self.process_requests.assert_called_once_with('hacluster')
|
|
|
|
def test_configure_service_ips(self):
|
|
"""Test that change of 'service_ips' triggers reconfiguration."""
|
|
self.patch(handlers.designate_bind, 'reconfigure_service_ips')
|
|
|
|
handlers.service_ips_changed()
|
|
|
|
handlers.designate_bind.reconfigure_service_ips.assert_called_once()
|
|
|
|
def test_hacluster_connected_reconfigure_service_ips(self):
|
|
"""Test that hacluster connect hook configures 'service_ips' on join.
|
|
|
|
When relation with hacluster is joined and 'service_ips' are waiting
|
|
for configuration, 'reconfigure_service_ips' should be trigerred.
|
|
"""
|
|
self.patch(handlers.designate_bind, 'reconfigure_service_ips')
|
|
self.patch(handlers.reactive, 'is_flag_set', True)
|
|
self.patch(handlers.reactive, 'clear_flag')
|
|
|
|
handlers.hacluster_connected(None)
|
|
|
|
handlers.designate_bind.reconfigure_service_ips.assert_called_once()
|
|
handlers.reactive.clear_flag.assert_called_once_with(
|
|
handlers.designate_bind.AWAITING_HACLUSTER_FLAG
|
|
)
|
|
|
|
def test_hacluster_connect_no_service_ips(self):
|
|
"""Test that hacluster connect hook passes if there are no IPs.
|
|
|
|
If there are no service_ips configured when the hacluster joins,
|
|
this hook should not execute anything.
|
|
"""
|
|
self.patch(handlers.designate_bind, 'reconfigure_service_ips')
|
|
self.patch(handlers.reactive, 'is_flag_set', False)
|
|
self.patch(handlers.reactive, 'clear_flag')
|
|
|
|
handlers.hacluster_connected(None)
|
|
|
|
handlers.designate_bind.reconfigure_service_ips.assert_not_called()
|