def test_kill_container_remove(self):
"""``container_shell`` 'kill_container' removes containers it's killed"""
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertTrue(self.container.remove.called)
def test_kill_container_remove_error(self):
"""``container_shell`` 'kill_container' logs unexpected failures to remove containers"""
self.container.remove.side_effect = Exception("testing")
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertTrue(self.logger.exception.called)
def test_kill_container_remove_gone(self):
"""``container_shell`` 'kill_container' ignores failures to remove containers that no longer exist"""
self.container.remove.side_effect = docker.errors.NotFound("testing")
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertFalse(self.logger.exception.called)
def test_kill_container_should_not(self):
"""``container_shell`` 'kill_container' bails early if it should_not_kill"""
self.container.attrs['ExecIDs'] = [MagicMock()]
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertEqual(self.logger.debug.call_count, 0)
def test_kill_container(self):
"""``container_shell`` 'kill_container' sends the supplied signal to PID 1"""
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
the_args, _ = self.container.exec_run.call_args
kill_cmd = the_args[0]
expected = 'kill -SIGTERM 1'
self.assertEqual(kill_cmd, expected)
def test_kill_logs_unexpected(self, fake_should_not_kill):
"""``container_shell`` 'kill_container' logs unexpected erros when trying to kill a container"""
fake_should_not_kill.return_value = False
fake_resp = MagicMock()
fake_resp.status_code = 500
error = docker.errors.APIError("SERVER ERROR", response=fake_resp)
self.container.exec_run.side_effect = error
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertTrue(self.logger.exception.called)
def test_kill_ignores_409(self, fake_should_not_kill):
"""``container_shell`` 'kill_container' ignores failures to kill a container that's not running"""
fake_should_not_kill.return_value = False
fake_resp = MagicMock()
fake_resp.status_code = 409
error = docker.errors.APIError("CONFLICT", response=fake_resp)
self.container.exec_run.side_effect = error
container_shell.kill_container(self.container, self.the_signal,
self.persist, self.persist_egrep,
self.ps_path, self.logger)
self.assertFalse(self.logger.exception.called)