def start_server():
logging.info('Server starting at: {0}'.format(datetime.now()))
pid = None
try:
pid = pidlockfile.read_pid_from_pidfile(PIDFILE)
except OSError:
pass
if pid is not None:
try:
os.getpgid(pid)
except OSError:
pidlockfile.remove_existing_pidfile(PIDFILE)
else:
init_application()
return
try:
pidlockfile.write_pid_to_pidfile(PIDFILE)
except OSError:
logging.error('Pid file already exist, process must be running')
sys.exit()
init_application()
def test_removes_specified_filename(self):
""" Should attempt to remove specified PID file filename. """
set_pidlockfile_scenario(self, 'exist-current-pid')
pidfile_path = self.scenario['path']
expect_mock_output = """\
Called os.remove(%(pidfile_path)r)
""" % vars()
pidlockfile.remove_existing_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def test_removes_specified_filename(self):
""" Should attempt to remove specified PID file filename. """
set_pidlockfile_scenario(self, 'exist-current-pid')
pidfile_path = self.scenario['path']
expect_mock_output = u"""\
Called os.remove(%(pidfile_path)r)
""" % vars()
pidlockfile.remove_existing_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def test_ignores_file_not_exist_error(self):
""" Should ignore error if file does not exist. """
set_pidlockfile_scenario(self, 'not-exist')
pidfile_path = self.scenario['path']
mock_error = OSError(errno.ENOENT, "Not there", pidfile_path)
os.remove.mock_raises = mock_error
expect_mock_output = """\
Called os.remove(%(pidfile_path)r)
""" % vars()
pidlockfile.remove_existing_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def test_ignores_file_not_exist_error(self):
""" Should ignore error if file does not exist. """
set_pidlockfile_scenario(self, 'not-exist')
pidfile_path = self.scenario['path']
mock_error = OSError(errno.ENOENT, u"Not there", pidfile_path)
os.remove.mock_raises = mock_error
expect_mock_output = u"""\
Called os.remove(%(pidfile_path)r)
""" % vars()
pidlockfile.remove_existing_pidfile(pidfile_path)
scaffold.mock_restore()
self.failUnlessMockCheckerMatch(expect_mock_output)
def stop_server():
logging.info('Stopping server')
pid = pidlockfile.read_pid_from_pidfile(PIDFILE)
try:
os.kill(pid, signal.SIGTERM)
except OSError:
logging.error('No such a process - cannot kill it')
except TypeError:
logging.error('Error reading pid file')
pidlockfile.remove_existing_pidfile(PIDFILE)