def test_watchdog_2(self):
"""
Tries to catch false positive watchdog invocations
"""
subproc_mock = self.Subprocess_mockup()
executor = PythonExecutor("/tmp", AmbariConfig().getConfig())
_, tmpoutfile = tempfile.mkstemp()
_, tmperrfile = tempfile.mkstemp()
executor.PYTHON_TIMEOUT_SECONDS = 5
def lauch_python_subprocess_method(command, tmpout, tmperr):
subproc_mock.tmpout = tmpout
subproc_mock.tmperr = tmperr
return subproc_mock
executor.lauch_python_subprocess = lauch_python_subprocess_method
runShellKillPgrp_method = MagicMock()
runShellKillPgrp_method.side_effect = lambda python : python.terminate()
executor.runShellKillPgrp = runShellKillPgrp_method
subproc_mock.returncode = 0
thread = Thread(target = executor.run_file, args = ("fake_command",
"fake_puppetFile", tmpoutfile, tmperrfile))
thread.start()
time.sleep(0.1)
subproc_mock.should_finish_event.set()
subproc_mock.finished_event.wait()
self.assertEquals(subproc_mock.was_terminated, False, "Subprocess should not be terminated before timeout")
self.assertEquals(subproc_mock.returncode, 0, "Subprocess should not be terminated before timeout")
def test_watchdog_1(self, kill_process_with_children_mock):
"""
Tests whether watchdog works
"""
subproc_mock = self.Subprocess_mockup()
executor = PythonExecutor("/tmp", AmbariConfig().getConfig())
_, tmpoutfile = tempfile.mkstemp()
_, tmperrfile = tempfile.mkstemp()
executor.PYTHON_TIMEOUT_SECONDS = 0.1
kill_process_with_children_mock.side_effect = lambda pid : subproc_mock.terminate()
def lauch_python_subprocess_method(command, tmpout, tmperr):
subproc_mock.tmpout = tmpout
subproc_mock.tmperr = tmperr
return subproc_mock
executor.lauch_python_subprocess = lauch_python_subprocess_method
runShellKillPgrp_method = MagicMock()
runShellKillPgrp_method.side_effect = lambda python : python.terminate()
executor.runShellKillPgrp = runShellKillPgrp_method
subproc_mock.returncode = None
thread = Thread(target = executor.run_file, args = ("fake_command",
"fake_puppetFile", tmpoutfile, tmperrfile))
thread.start()
time.sleep(0.1)
subproc_mock.finished_event.wait()
self.assertEquals(subproc_mock.was_terminated, True, "Subprocess should be terminated due to timeout")
def test_execution_results(self):
subproc_mock = self.Subprocess_mockup()
executor = PythonExecutor("/tmp", AmbariConfig().getConfig())
_, tmpoutfile = tempfile.mkstemp()
_, tmperrfile = tempfile.mkstemp()
executor.PYTHON_TIMEOUT_SECONDS = 5
def lauch_python_subprocess_method(command, tmpout, tmperr):
subproc_mock.tmpout = tmpout
subproc_mock.tmperr = tmperr
return subproc_mock
executor.lauch_python_subprocess = lauch_python_subprocess_method
runShellKillPgrp_method = MagicMock()
runShellKillPgrp_method.side_effect = lambda python : python.terminate()
executor.runShellKillPgrp = runShellKillPgrp_method
subproc_mock.returncode = 0
subproc_mock.should_finish_event.set()
result = executor.run_file("command", "file", tmpoutfile, tmperrfile)
self.assertEquals(result, {'exitcode': 0, 'stderr': 'Dummy err', 'stdout': 'Dummy output'})
