def test_write(self):
p = daemon.Pidfile('thefile', 'python')
p.write(34)
self.os.assert_has_calls([
mock.call.ftruncate(FAKE_FD, 0),
mock.call.write(FAKE_FD, b'34'),
mock.call.fsync(FAKE_FD)
])
def test_init_open_fail(self):
self.os.open.side_effect = IOError
with mock.patch.object(daemon.sys, 'stderr'):
with testtools.ExpectedException(SystemExit):
daemon.Pidfile('thefile', 'python')
sys.assert_has_calls(
[mock.call.stderr.write(mock.ANY),
mock.call.exit(1)])
def _create_pidfile(self):
pidfile = os.path.join(cfg.CONF.state_path,
type(self).__name__.lower() + '.pid')
self.pidfile = daemon.Pidfile(pidfile, 'python')
if self._running is None:
atexit.register(self._delete_pidfile)
self.pidfile.write(os.getpid())
def test_is_running_uuid_false(self):
mock_open = self.useFixture(
tools.OpenFixture('/proc/34/cmdline', 'python 1234')).mock_open
p = daemon.Pidfile('thefile', 'python', uuid='6789')
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertFalse(p.is_running())
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
def test_is_running(self):
mock_open = self.useFixture(
lib_fixtures.OpenFixture('/proc/34/cmdline', 'python')).mock_open
p = daemon.Pidfile('thefile', 'python')
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertTrue(p.is_running())
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
def test_is_running_uuid_false(self):
mock_open = self.useFixture(
lib_fixtures.OpenFixture('/proc/34/cmdline', '{} 1234'.format(
sys.executable))).mock_open
p = daemon.Pidfile('thefile', sys.executable, uuid='6789')
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertFalse(p.is_running())
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
def test_is_running_uuid_true(self):
with mock.patch('neutron.agent.linux.utils.execute') as execute:
execute.return_value = 'python 1234'
p = daemon.Pidfile('thefile', 'python', uuid='1234')
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertTrue(p.is_running())
execute.assert_called_once_with(['cat', '/proc/34/cmdline'],
'sudo')
def test_is_running_uuid_false(self):
with mock.patch('six.moves.builtins.open') as mock_open:
p = daemon.Pidfile('thefile', 'python', uuid='6789')
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
mock_open.return_value.readline.return_value = 'python 1234'
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertFalse(p.is_running())
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
def test_is_running(self):
with mock.patch('__builtin__.open') as mock_open:
p = daemon.Pidfile('thefile', 'python')
mock_open.return_value.__enter__ = lambda s: s
mock_open.return_value.__exit__ = mock.Mock()
mock_open.return_value.readline.return_value = 'python'
with mock.patch.object(p, 'read') as read:
read.return_value = 34
self.assertTrue(p.is_running())
mock_open.assert_called_once_with('/proc/34/cmdline', 'r')
def _create_pidfile(self):
pidfile = os.path.join(cfg.CONF.state_path,
type(self).__name__.lower() + '.pid')
self.pidfile = daemon.Pidfile(pidfile, 'python')
# NOTE(mpeterson): We want self._running to be None before the first
# run so atexit is only registered once and not several times.
if self._running is None:
atexit.unregister(self._delete_pidfile)
atexit.register(self._delete_pidfile)
self.pidfile.write(os.getpid())
def _create_pidfile(self):
pidfile = os.path.join(cfg.CONF.state_path,
type(self).__name__.lower() + '.pid')
self.pidfile = daemon.Pidfile(pidfile, 'python')
# NOTE(mpeterson): We want self._running to be None before the first
# run so atexit is only registered once and not several times.
# TODO(mpeterson): Once we drop support for PY2 we need to change
# the logic to use atexit.unregister at stop.
if self._running is None:
atexit.register(self._delete_pidfile)
self.pidfile.write(os.getpid())
def test_read(self):
self.os.read.return_value = '34'
p = daemon.Pidfile('thefile', 'python')
self.assertEqual(34, p.read())
def test_read(self):
self.os.read.return_value = '34'
p = daemon.Pidfile('thefile', sys.executable)
self.assertEqual(34, p.read())
