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from argparse import Namespace
from contextlib import contextmanager
from mock import (
call,
patch,
Mock,
)
from assess_recovery import (
assess_recovery,
delete_controller_members,
main,
make_client_from_args,
parse_args,
)
from jujupy import (
EnvJujuClient,
JujuData,
Machine,
_temp_env as temp_env,
)
from tests import (
FakeHomeTestCase,
TestCase,
)
from tests.test_jujupy import FakeJujuClient
class TestParseArgs(TestCase):
def test_parse_args(self):
args = parse_args(['foo', 'bar', 'baz'])
self.assertEqual(args.juju_path, 'foo')
self.assertEqual(args.env_name, 'bar')
self.assertEqual(args.logs, 'baz')
self.assertEqual(args.charm_series, '')
self.assertEqual(args.strategy, 'backup')
self.assertEqual(args.debug, False)
self.assertIs(args.agent_stream, None)
self.assertIs(args.series, None)
def test_parse_args_ha(self):
args = parse_args(['foo', 'bar', 'baz', '--ha'])
self.assertEqual(args.strategy, 'ha')
def test_parse_args_ha_backup(self):
args = parse_args(['foo', 'bar', 'baz', '--ha-backup'])
self.assertEqual(args.strategy, 'ha-backup')
def test_parse_args_backup(self):
args = parse_args(['foo', 'bar', 'baz', '--ha', '--backup'])
self.assertEqual(args.strategy, 'backup')
def test_parse_args_charm_series(self):
args = parse_args(['foo', 'bar', 'baz', '--charm-series', 'qux'])
self.assertEqual(args.charm_series, 'qux')
def test_parse_args_debug(self):
args = parse_args(['foo', 'bar', 'baz', '--debug'])
self.assertEqual(args.debug, True)
def test_parse_args_temp_env_name(self):
args = parse_args(['foo', 'bar', 'baz'])
self.assertIs(args.temp_env_name, None)
args = parse_args(['foo', 'bar', 'baz', 'qux'])
self.assertEqual(args.temp_env_name, 'qux')
def test_parse_args_agent_stream(self):
args = parse_args(['foo', 'bar', 'baz', '--agent-stream', 'qux'])
self.assertEqual(args.agent_stream, 'qux')
def test_parse_args_series(self):
args = parse_args(['foo', 'bar', 'baz', '--series', 'qux'])
self.assertEqual(args.series, 'qux')
class TestMakeClientFromArgs(TestCase):
def test_make_client_from_args(self):
with temp_env({'environments': {'foo': {}}}):
with patch.object(EnvJujuClient, 'get_version', return_value=''):
with patch.object(JujuData, 'load_yaml'):
client = make_client_from_args(
Namespace(env_name='foo', juju_path='bar',
temp_env_name='temp-foo', debug=False,
agent_stream=None, series=None))
self.assertEqual(client.env.config, {'name': 'temp-foo'})
self.assertEqual(client.env.environment, 'temp-foo')
def make_mocked_client(name, status_error=None):
client = EnvJujuClient(JujuData(
name, {'type': 'paas', 'region': 'region-foo'}), '1.23', 'path')
patch.object(client, 'wait_for_ha', autospec=True).start()
patch.object(
client, 'get_status', autospec=True, side_effect=status_error).start()
patch.object(client, 'kill_controller', autospec=True).start()
patch.object(client, 'is_jes_enabled', autospec=True,
return_value=True).start()
patch.object(client, 'get_admin_client', autospec=True,
return_value=client).start()
patch.object(client, 'iter_model_clients', autospec=True,
return_value=[client]).start()
return client
class TestAssessRecovery(TestCase):
@contextmanager
def assess_recovery_cxt(self, client):
client.bootstrap()
def terminate(env, instance_ids):
for instance_id in instance_ids:
admin_model = client._backend.controller_state.admin_model
admin_model.remove_state_server(instance_id)
with patch('assess_recovery.terminate_instances',
side_effect=terminate):
with patch('deploy_stack.wait_for_port', autospec=True):
yield
def test_backup(self):
client = FakeJujuClient()
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'backup', 'trusty')
def test_ha(self):
client = FakeJujuClient()
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'ha', 'trusty')
def test_ha_backup(self):
client = FakeJujuClient()
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'ha-backup', 'trusty')
def test_admin_model_backup(self):
client = FakeJujuClient(jes_enabled=True)
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'backup', 'trusty')
def test_admin_model_ha(self):
client = FakeJujuClient(jes_enabled=True)
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'ha', 'trusty')
def test_admin_model_ha_backup(self):
client = FakeJujuClient(jes_enabled=True)
bs_manager = Mock(client=client, known_hosts={})
with self.assess_recovery_cxt(client):
assess_recovery(bs_manager, 'ha-backup', 'trusty')
@patch('assess_recovery.BootstrapManager.dump_all_logs', autospec=True)
@patch('assess_recovery.parse_new_state_server_from_error', autospec=True,
return_value='new_host')
@patch('assess_recovery.delete_controller_members', autospec=True,
return_value=['0'])
@patch('assess_recovery.deploy_stack', autospec=True)
@patch('deploy_stack.get_machine_dns_name', autospec=True,
return_value='host')
@patch('subprocess.check_output', autospec=True)
@patch('subprocess.check_call', autospec=True)
@patch('sys.stderr', autospec=True)
class TestMain(FakeHomeTestCase):
def test_ha(self, so_mock, cc_mock, co_mock,
dns_mock, ds_mock, dcm_mock, ns_mock, dal_mock):
client = make_mocked_client('foo')
with patch('assess_recovery.make_client_from_args', autospec=True,
return_value=client) as mc_mock:
main(['./', 'foo', 'log_dir',
'--ha', '--charm-series', 'charm-series'])
mc_mock.assert_called_once_with(Namespace(
agent_stream=None, charm_series='charm-series', debug=False,
env_name='foo', juju_path='./', logs='log_dir', strategy='ha',
temp_env_name=None, series=None))
client.wait_for_ha.assert_called_once_with()
client.get_status.assert_called_once_with(600)
self.assertEqual(2, client.kill_controller.call_count)
dns_mock.assert_called_once_with(client.get_admin_client.return_value,
'0')
ds_mock.assert_called_once_with(client, 'charm-series')
dcm_mock.assert_called_once_with(client, leader_only=True)
self.assertTrue(dal_mock.called)
self.assertEqual(0, ns_mock.call_count)
def test_ha_error(self, so_mock, cc_mock, co_mock,
dns_mock, ds_mock, dcm_mock, ns_mock, dal_mock):
error = Exception()
client = make_mocked_client('foo', status_error=error)
with patch('assess_recovery.make_client_from_args', autospec=True,
return_value=client) as mc_mock:
with self.assertRaises(SystemExit):
main(['./', 'foo', 'log_dir',
'--ha', '--charm-series', 'prefix'])
mc_mock.assert_called_once_with(Namespace(
agent_stream=None, charm_series='prefix', debug=False,
env_name='foo', juju_path='./', logs='log_dir', strategy='ha',
temp_env_name=None, series=None))
client.wait_for_ha.assert_called_once_with()
client.get_status.assert_called_once_with(600)
self.assertEqual(2, client.kill_controller.call_count)
dns_mock.assert_called_once_with(
client.get_admin_client.return_value, '0')
ds_mock.assert_called_once_with(client, 'prefix')
dcm_mock.assert_called_once_with(client, leader_only=True)
ns_mock.assert_called_once_with(error)
self.assertTrue(dal_mock.called)
def test_destroy_on_boot_error(self, so_mock, cc_mock, co_mock,
dns_mock, ds_mock, dcm_mock, ns_mock,
dl_mock):
client = make_mocked_client('foo')
with patch('assess_recovery.make_client', autospec=True,
return_value=client):
with patch.object(client, 'bootstrap', side_effect=Exception):
with self.assertRaises(SystemExit):
main(['./', 'foo', 'log_dir',
'--ha', '--charm-series', 'prefix'])
self.assertEqual(2, client.kill_controller.call_count)
@patch('assess_recovery.wait_for_state_server_to_shutdown', autospec=True)
@patch('assess_recovery.terminate_instances', autospec=True)
@patch('sys.stderr', autospec=True)
class TestDeleteControllerMembers(FakeHomeTestCase):
def test_delete_controller_members(self, so_mock, ti_mock, wsss_mock):
client = make_mocked_client('foo')
members = [
Machine('3', {
'dns-name': '10.0.0.3',
'instance-id': 'juju-dddd-machine-3',
'controller-member-status': 'has-vote'}),
Machine('0', {
'dns-name': '10.0.0.0',
'instance-id': 'juju-aaaa-machine-0',
'controller-member-status': 'has-vote'}),
Machine('2', {
'dns-name': '10.0.0.2',
'instance-id': 'juju-cccc-machine-2',
'controller-member-status': 'has-vote'}),
]
with patch.object(client, 'get_controller_members',
autospec=True, return_value=members) as gcm_mock:
deleted = delete_controller_members(client)
self.assertEqual(['2', '0', '3'], deleted)
gcm_mock.assert_called_once_with()
# terminate_instance was call in the reverse order of members.
self.assertEqual(
[call(client.env, ['juju-cccc-machine-2']),
call(client.env, ['juju-aaaa-machine-0']),
call(client.env, ['juju-dddd-machine-3'])],
ti_mock.mock_calls)
self.assertEqual(
[call('10.0.0.2', client, 'juju-cccc-machine-2'),
call('10.0.0.0', client, 'juju-aaaa-machine-0'),
call('10.0.0.3', client, 'juju-dddd-machine-3')],
wsss_mock.mock_calls)
def test_delete_controller_members_leader_only(
self, so_mock, ti_mock, wsss_mock):
client = make_mocked_client('foo')
leader = Machine('3', {
'dns-name': '10.0.0.3',
'instance-id': 'juju-dddd-machine-3',
'controller-member-status': 'has-vote'})
with patch.object(client, 'get_controller_leader',
autospec=True, return_value=leader) as gcl_mock:
deleted = delete_controller_members(client, leader_only=True)
self.assertEqual(['3'], deleted)
gcl_mock.assert_called_once_with()
ti_mock.assert_called_once_with(client.env, ['juju-dddd-machine-3'])
wsss_mock.assert_called_once_with(
'10.0.0.3', client, 'juju-dddd-machine-3')
|