storlets/tests/unit/agent/daemon_factory/test_server.py

641 lines
28 KiB
Python

# Copyright (c) 2015-2016 OpenStack Foundation
#
# 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.
from contextlib import contextmanager
import errno
import mock
import unittest
from storlets.sbus import command as sbus_cmd
from storlets.sbus.client import SBusResponse
from storlets.sbus.client.exceptions import SBusClientSendError
from storlets.agent.daemon_factory.server import SDaemonError, \
StorletDaemonFactory
from storlets.agent.common.utils import DEFAULT_PY2, DEFAULT_PY3
from tests.unit import FakeLogger
from tests.unit.agent.common import test_server
class DummyDatagram(object):
def __init__(self, prms=None):
self.params = prms or {}
class TestStorletDaemonFactory(unittest.TestCase):
base_path = 'storlets.agent.daemon_factory.server'
kill_path = base_path + '.os.kill'
waitpid_path = base_path + '.os.waitpid'
@contextmanager
def _mock_sbus_client(self, method):
sbusclient_path = self.base_path + '.SBusClient'
with mock.patch('.'.join([sbusclient_path, method])) as _method:
yield _method
def setUp(self):
self.logger = FakeLogger()
self.pipe_path = 'path/to/pipe'
self.container_id = 'contid'
self.dfactory = StorletDaemonFactory(self.pipe_path, self.logger,
self.container_id)
def test_get_jvm_args(self):
dummy_env = {'CLASSPATH': '/default/classpath',
'LD_LIBRARY_PATH': '/default/ld/library/path'}
with mock.patch('storlets.agent.daemon_factory.server.os.environ',
dummy_env):
pargs, env = self.dfactory.get_jvm_args(
'java', 'path/to/storlet/a', 'Storlet-1.0.jar',
1, 'path/to/uds/a', 'DEBUG')
self.assertEqual(
['/usr/bin/java', 'org.openstack.storlet.daemon.SDaemon',
'Storlet-1.0.jar', 'path/to/uds/a', 'DEBUG', '1',
self.container_id],
pargs)
self.assertEqual(
{'CLASSPATH':
'/default/classpath:'
'/usr/local/lib/storlets/logback-classic-1.1.2.jar:'
'/usr/local/lib/storlets/logback-core-1.1.2.jar:'
'/usr/local/lib/storlets/slf4j-api-1.7.7.jar:'
'/usr/local/lib/storlets/json_simple-1.1.jar:'
'/usr/local/lib/storlets/SBusJavaFacade.jar:'
'/usr/local/lib/storlets/SCommon.jar:'
'/usr/local/lib/storlets/SDaemon.jar:'
'/usr/local/lib/storlets/:'
'path/to/storlet/a',
'LD_LIBRARY_PATH':
'/default/ld/library/path:'
'/usr/local/lib/storlets'},
env)
def test_get_python_args(self):
self._test_get_python_args(DEFAULT_PY2, DEFAULT_PY2)
self._test_get_python_args(2, DEFAULT_PY2)
self._test_get_python_args(DEFAULT_PY3, DEFAULT_PY3)
self._test_get_python_args(3, DEFAULT_PY3)
def _test_get_python_args(self, version, expected):
dummy_env = {'PYTHONPATH': '/default/pythonpath'}
with mock.patch('storlets.agent.daemon_factory.server.os.environ',
dummy_env):
pargs, env = self.dfactory.get_python_args(
'python', 'path/to/storlet', 'test_storlet.TestStorlet',
1, 'path/to/uds', 'DEBUG', version)
self.assertEqual(
['/usr/bin/python%s' % expected,
'/usr/local/libexec/storlets/storlets-daemon',
'test_storlet.TestStorlet',
'path/to/uds', 'DEBUG', '1', self.container_id],
pargs)
self.assertEqual(
{'PYTHONPATH': '/default/pythonpath:'
'/home/swift/test_storlet.TestStorlet'},
env)
def test_spawn_subprocess(self):
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a'}
class FakePopenObject(object):
def __init__(self, pid):
self.pid = pid
self.stderr = mock.MagicMock()
with mock.patch(self.base_path + '.subprocess.Popen') as popen, \
mock.patch(self.base_path + '.time.sleep'), \
mock.patch(self.waitpid_path) as waitpid, \
self._mock_sbus_client('ping') as ping:
popen.side_effect = [FakePopenObject(1000),
FakePopenObject(1001)]
waitpid.return_value = 0, 0
ping.return_value = SBusResponse(True, 'OK')
self.dfactory.spawn_subprocess(
['arg0', 'argv1', 'argv2'],
{'envk0': 'envv0'}, 'storleta')
self.assertEqual((1000, 1), waitpid.call_args[0])
self.assertEqual({'storleta': 1000},
self.dfactory.storlet_name_to_pid)
with mock.patch(self.base_path + '.subprocess.Popen') as popen, \
mock.patch(self.base_path + '.time.sleep'), \
mock.patch(self.waitpid_path) as waitpid, \
self._mock_sbus_client('ping') as ping:
popen.side_effect = [FakePopenObject(1000),
FakePopenObject(1001)]
waitpid.return_value = 0, 0
ping.return_value = SBusResponse(False, 'NG')
with self.assertRaises(SDaemonError):
self.dfactory.spawn_subprocess(
['arg0', 'argv1', 'argv2'],
{'envk0': 'envv0'}, 'storleta')
self.assertEqual((1000, 1), waitpid.call_args[0])
self.assertEqual({'storleta': 1000},
self.dfactory.storlet_name_to_pid)
with mock.patch(self.base_path + '.subprocess.Popen') as popen, \
mock.patch(self.base_path + '.time.sleep'), \
mock.patch(self.waitpid_path) as waitpid:
popen.side_effect = [FakePopenObject(1000),
FakePopenObject(1001)]
waitpid.return_value = 1000, -1
with self.assertRaises(SDaemonError):
self.dfactory.spawn_subprocess(
['arg0', 'argv1', 'argv2'],
{'envk0': 'envv0'}, 'storleta')
self.assertEqual((1000, 1), waitpid.call_args[0])
with mock.patch(self.base_path + '.subprocess.Popen') as popen:
popen.side_effect = OSError()
with self.assertRaises(SDaemonError):
self.dfactory.spawn_subprocess(
['arg0', 'argv1', 'argv2'],
{'envk0': 'envv0'}, 'storleta')
def test_wait_for_daemon_to_initialize(self):
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a'}
with self._mock_sbus_client('ping') as ping, \
mock.patch(self.base_path + '.time.sleep'):
ping.return_value = SBusResponse(True, 'OK')
self.assertTrue(
self.dfactory.wait_for_daemon_to_initialize('storleta'))
self.assertEqual(1, ping.call_count)
with self._mock_sbus_client('ping') as ping, \
mock.patch(self.base_path + '.time.sleep'):
ping.return_value = SBusResponse(False, 'NG')
self.assertFalse(
self.dfactory.wait_for_daemon_to_initialize('storleta'))
self.assertEqual(
self.dfactory.NUM_OF_TRIES_PINGING_STARTING_DAEMON,
ping.call_count)
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('ping') as ping, \
mock.patch(self.base_path + '.time.sleep'):
ping.side_effect = SBusClientSendError()
self.assertFalse(
self.dfactory.wait_for_daemon_to_initialize('storleta'))
self.assertEqual(
self.dfactory.NUM_OF_TRIES_PINGING_STARTING_DAEMON,
ping.call_count)
def test_process_start_daemon(self):
# Not running
self.dfactory.storlet_name_to_pid = {}
self.dfactory.storlet_name_to_pipe_name = {}
class FakePopenObject(object):
def __init__(self, pid):
self.pid = pid
self.stderr = mock.MagicMock()
with mock.patch(self.base_path + '.subprocess.Popen') as popen, \
mock.patch(self.base_path + '.time.sleep'), \
mock.patch(self.waitpid_path) as waitpid, \
self._mock_sbus_client('ping') as ping:
popen.side_effect = [FakePopenObject(1000),
FakePopenObject(1001)]
waitpid.return_value = 0, 0
ping.return_value = SBusResponse(True, 'OK')
self.assertTrue(self.dfactory.process_start_daemon(
'java', 'path/to/storlet/a', 'storleta', 1, 'path/to/uds/a',
'TRACE'))
self.assertEqual({'storleta': 'path/to/uds/a'},
self.dfactory.storlet_name_to_pipe_name)
# Already running
self.dfactory.storlet_name_to_pid = {'storleta': 1000}
self.dfactory.storlet_name_to_pipe_name = {'storleta': 'path/to/uds/a'}
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 0, 0
self.assertFalse(self.dfactory.process_start_daemon(
'java', 'path/to/storlet/a', 'storleta', 1, 'path/to/uds/a',
'TRACE'))
# Unsupported language
with self.assertRaises(SDaemonError):
self.dfactory.process_start_daemon(
'foo', 'path/to/storlet/a', 'storleta', 1, 'path/to/uds/a',
'TRACE')
def test_get_process_status_by_name(self):
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 0, 0
self.assertTrue(
self.dfactory.get_process_status_by_name('storleta'))
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
self.assertFalse(
self.dfactory.get_process_status_by_name('storletc'))
def test_get_process_status_by_pid(self):
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 0, 0
self.assertTrue(
self.dfactory.get_process_status_by_pid(1000, 'storleta'))
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 1000, 0
self.assertFalse(
self.dfactory.get_process_status_by_pid(1000, 'storleta'))
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
with mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = OSError(errno.ESRCH, '')
self.assertFalse(
self.dfactory.get_process_status_by_pid(1000, 'storleta'))
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
with mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = OSError(errno.EPERM, '')
exc_pattern = ('^No permission to access the storlet daemon'
' storleta$')
with self.assertRaisesRegexp(SDaemonError, exc_pattern):
self.dfactory.get_process_status_by_pid(1000, 'storleta')
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
with mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = OSError()
exc_pattern = '^Unknown error$'
with self.assertRaisesRegexp(SDaemonError, exc_pattern):
self.dfactory.get_process_status_by_pid(1000, 'storleta')
self.assertEqual(1, waitpid.call_count)
self.assertEqual((1000, 1), waitpid.call_args[0])
def test_process_kill(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 1000, 0
self.assertEqual((1000, 0),
self.dfactory.process_kill('storleta'))
self.assertEqual(1, kill.call_count)
self.assertEqual(1, waitpid.call_count)
self.assertEqual({'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# When failed to send kill to the storlet daemon
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
kill.side_effect = OSError()
with self.assertRaises(SDaemonError):
self.dfactory.process_kill('storleta')
self.assertEqual(1, kill.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# When failed to wait
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = OSError()
with self.assertRaises(SDaemonError):
self.dfactory.process_kill('storleta')
self.assertEqual(1, kill.call_count)
self.assertEqual(1, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# if the storlet daemon is not recognised
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
with self.assertRaises(SDaemonError):
self.dfactory.process_kill('storletc')
self.assertEqual(0, kill.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
def test_process_kill_all(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = [(1000, 0), (1001, 0)]
self.dfactory.process_kill_all()
self.assertEqual(2, kill.call_count)
self.assertEqual(2, waitpid.call_count)
self.assertEqual({}, self.dfactory.storlet_name_to_pid)
# Success (no processes)
self.dfactory.storlet_name_to_pid = {}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
self.dfactory.process_kill_all()
self.assertEqual(0, kill.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({}, self.dfactory.storlet_name_to_pid)
# Failure (try_all = True)
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
kill.side_effect = OSError()
exc_pattern = '^Failed to stop some storlet daemons: .*'
with self.assertRaisesRegexp(SDaemonError, exc_pattern) as e:
self.dfactory.process_kill_all()
self.assertIn('storleta', str(e.exception))
self.assertIn('storletb', str(e.exception))
self.assertEqual(2, kill.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# Failure (try_all = False)
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path) as waitpid:
kill.side_effect = OSError()
exc_pattern = ('^Failed to send kill signal to the storlet daemon '
'storlet[a-b]$')
with self.assertRaisesRegexp(SDaemonError, exc_pattern):
self.dfactory.process_kill_all(False)
self.assertEqual(1, kill.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
def test_shutdown_all_processes(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path):
halt.return_value = SBusResponse(True, 'OK')
terminated = self.dfactory.shutdown_all_processes()
self.assertEqual(2, len(terminated))
self.assertIn('storleta', terminated)
self.assertIn('storletb', terminated)
self.assertEqual({},
self.dfactory.storlet_name_to_pid)
# Failure (try_all = True)
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'patha', 'storletb': 'pathb'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path) as waitpid:
halt.side_effect = SBusClientSendError()
exc_pattern = '^Failed to shutdown some storlet daemons: .*'
with self.assertRaisesRegexp(SDaemonError, exc_pattern) as e:
self.dfactory.shutdown_all_processes()
self.assertIn('storleta', str(e.exception))
self.assertIn('storletb', str(e.exception))
self.assertEqual(2, halt.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# Failure (try_all = False)
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'patha', 'storletb': 'pathb'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path) as waitpid:
halt.side_effect = SBusClientSendError()
exc_pattern = ('^Failed to send halt command to the storlet '
'daemon storlet[a-b]$')
with self.assertRaisesRegexp(SDaemonError, exc_pattern):
self.dfactory.shutdown_all_processes(False)
self.assertEqual(1, halt.call_count)
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
def test_shutdown_process(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path):
halt.return_value = SBusResponse(True, 'OK')
self.dfactory.shutdown_process('storleta')
self.assertEqual({'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# Failed to send a command to the storlet daemon
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path) as waitpid:
halt.side_effect = SBusClientSendError()
with self.assertRaises(SDaemonError):
self.dfactory.shutdown_process('storleta')
self.assertEqual(0, waitpid.call_count)
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# Failed to wait
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path) as waitpid:
halt.return_value = SBusResponse(True, 'OK')
waitpid.side_effect = OSError()
with self.assertRaises(SDaemonError):
self.dfactory.shutdown_process('storleta')
self.assertEqual({'storleta': 1000, 'storletb': 1001},
self.dfactory.storlet_name_to_pid)
# If the storlet is not found in pid mapping
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self.assertRaises(SDaemonError):
self.dfactory.shutdown_process('storletc')
def test_start_daemon(self):
prms = {'daemon_language': 'java',
'storlet_path': 'path/to/storlet/a',
'storlet_name': 'storleta',
'pool_size': 1,
'uds_path': 'path/to/uds/a',
'log_level': 'TRACE'}
# Not running
self.dfactory.storlet_name_to_pid = {}
self.dfactory.storlet_name_to_pipe_name = {}
class FakePopenObject(object):
def __init__(self, pid):
self.pid = pid
self.stderr = mock.MagicMock()
with mock.patch(self.base_path + '.subprocess.Popen') as popen, \
mock.patch(self.base_path + '.time.sleep'), \
mock.patch(self.waitpid_path) as waitpid, \
self._mock_sbus_client('ping') as ping, \
self._mock_sbus_client('start_daemon') as start_daemon:
popen.side_effect = [FakePopenObject(1000),
FakePopenObject(1001)]
waitpid.return_value = 0, 0
ping.return_value = SBusResponse(True, 'OK')
start_daemon.return_value = SBusResponse(True, 'OK')
ret = self.dfactory.start_daemon(DummyDatagram(prms))
self.assertTrue(ret.status)
self.assertEqual('OK', ret.message)
self.assertTrue(ret.iterable)
# Already running
self.dfactory.storlet_name_to_pid = {'storleta': 1000}
self.dfactory.storlet_name_to_pipe_name = {'storleta': 'path/to/uds/a'}
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 0, 0
ret = self.dfactory.start_daemon(DummyDatagram(prms))
self.assertTrue(ret.status)
self.assertEqual('storleta is already running', ret.message)
self.assertTrue(ret.iterable)
# Unsupported language
prms['daemon_language'] = 'foo'
ret = self.dfactory.start_daemon(DummyDatagram(prms))
self.assertFalse(ret.status)
self.assertEqual('Got unsupported daemon language: foo', ret.message)
self.assertTrue(ret.iterable)
def test_stop_daemon(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000}
with mock.patch(self.kill_path), \
mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 1000, 0
resp = self.dfactory.stop_daemon(
DummyDatagram({'storlet_name': 'storleta'}))
self.assertTrue(resp.status)
self.assertEqual('Storlet storleta, PID = 1000, ErrCode = 0',
resp.message)
self.assertTrue(resp.iterable)
# Failure
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000}
with mock.patch(self.kill_path) as kill, \
mock.patch(self.waitpid_path):
kill.side_effect = OSError('ERROR')
resp = self.dfactory.stop_daemon(
DummyDatagram({'storlet_name': 'storleta'}))
self.assertFalse(resp.status)
self.assertEqual(
'Failed to send kill signal to the storlet daemon storleta',
resp.message)
self.assertTrue(resp.iterable)
def test_daemon_status(self):
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 0, 0
resp = self.dfactory.daemon_status(
DummyDatagram({'storlet_name': 'storleta'}))
self.assertTrue(resp.status)
self.assertEqual('The storlet daemon storleta seems to be OK',
resp.message)
self.assertTrue(resp.iterable)
with mock.patch(self.waitpid_path) as waitpid:
waitpid.return_value = 1000, 0
resp = self.dfactory.daemon_status(
DummyDatagram({'storlet_name': 'storleta'}))
self.assertFalse(resp.status)
self.assertEqual('No running storlet daemons for storleta',
resp.message)
self.assertTrue(resp.iterable)
with mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = OSError()
resp = self.dfactory.daemon_status(
DummyDatagram({'storlet_name': 'storleta'}))
self.assertFalse(resp.status)
self.assertEqual('Unknown error', resp.message)
self.assertTrue(resp.iterable)
def test_halt(self):
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
self.dfactory.storlet_name_to_pipe_name = \
{'storleta': 'path/to/uds/a', 'storletb': 'path/to/uds/b'}
with self._mock_sbus_client('halt') as halt, \
mock.patch(self.waitpid_path):
halt.return_value = SBusResponse(True, 'OK')
resp = self.dfactory.halt(DummyDatagram())
self.assertTrue(resp.status)
self.assertIn('storleta: terminated', resp.message)
self.assertIn('storletb: terminated', resp.message)
self.assertFalse(resp.iterable)
def test_stop_daemons(self):
# Success
self.dfactory.storlet_name_to_pid = \
{'storleta': 1000, 'storletb': 1001}
with mock.patch(self.kill_path), \
mock.patch(self.waitpid_path) as waitpid:
waitpid.side_effect = [(1000, 0), (1001, 0)]
resp = self.dfactory.stop_daemons(DummyDatagram())
self.assertTrue(resp.status)
self.assertEqual('OK', resp.message)
self.assertFalse(resp.iterable)
class TestSBusServerMain(test_server.TestSBusServerMain):
def _get_test_server(self):
return StorletDaemonFactory(self.sbus_path, self.logger, 'contid')
def test_main_loop_successful_stop(self):
# SBUS_CMD_HALT is for working to stop requested from
# storlet_middleware
self._test_main_loop_stop(sbus_cmd.SBUS_CMD_HALT)
if __name__ == '__main__':
unittest.main()