| # Copyright 2016 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import os.path |
| import time |
| |
| from autotest_lib.client.bin import test, utils |
| from autotest_lib.client.common_lib import error |
| from autotest_lib.client.common_lib import utils as sys_utils |
| from autotest_lib.client.cros import upstart |
| |
| |
| class platform_CUPSDaemon(test.test): |
| """ |
| Runs some sanity tests for cupsd and the upstart-socket-bridge |
| socket-activation. |
| """ |
| version = 1 |
| |
| _CUPS_SOCK_PATH = '/run/cups/cups.sock' |
| |
| |
| def check_cups_is_responding(self): |
| """ |
| Run a basic sanity test to be sure CUPS is operating. |
| """ |
| |
| # Try a simple CUPS command; timeout/fail if it takes too long (i.e., |
| # socket may exist, but it may not get passed off to cupsd properly). |
| utils.system_output('lpstat -W all', timeout=10) |
| |
| |
| def wait_for_path_exists(self, path, timeout=5): |
| """ |
| Wait for a path to exist, with timeout. |
| |
| @param path: path to look for |
| @param timeout: time to wait, in seconds |
| |
| @return true if path is found; false otherwise |
| """ |
| while timeout > 0: |
| if os.path.exists(path): |
| return True |
| |
| time.sleep(1) |
| timeout -= 1 |
| |
| return os.path.exists(path) |
| |
| |
| def run_upstart_tests(self): |
| """ |
| Run some sanity tests for cupsd and the upstart-socket-bridge |
| socket-activation. |
| """ |
| if not upstart.has_service('cupsd'): |
| raise error.TestNAError('No cupsd service found') |
| |
| upstart.ensure_running('upstart-socket-bridge') |
| |
| if not self.wait_for_path_exists(self._CUPS_SOCK_PATH): |
| raise error.TestFail('Missing CUPS socket: %s', self._CUPS_SOCK_PATH) |
| |
| # Make sure CUPS is stopped, so we can test on-demand launch. |
| if upstart.is_running('cupsd'): |
| upstart.stop_job('cupsd') |
| |
| self.check_cups_is_responding() |
| |
| # Now try stopping socket bridge, to see it clean up its files. |
| upstart.stop_job('upstart-socket-bridge') |
| upstart.stop_job('cupsd') |
| |
| if os.path.exists(self._CUPS_SOCK_PATH): |
| raise error.TestFail('CUPS socket was not cleaned up: %s', self._CUPS_SOCK_PATH) |
| |
| # Create dummy file, to see if upstart-socket-bridge will clear it out |
| # properly. |
| utils.system('touch %s' % self._CUPS_SOCK_PATH) |
| |
| upstart.restart_job('upstart-socket-bridge') |
| |
| if not os.path.exists(self._CUPS_SOCK_PATH): |
| raise error.TestFail('Missing CUPS socket: %s', self._CUPS_SOCK_PATH) |
| |
| self.check_cups_is_responding() |
| |
| |
| def run_systemd_tests(self): |
| """ |
| Check if cupsd is running and responsive. |
| """ |
| # Check to see if the service is running. |
| if sys_utils.get_service_pid('cups') == 0: |
| # Try to start it. |
| if sys_utils.start_service('cups', ignore_status=True) != 0: |
| raise error.TestNAError('No cupsd service found') |
| |
| sys_utils.stop_service('cups', ignore_status=False) |
| sys_utils.start_service('cups.socket', ignore_status=False) |
| |
| if not self.wait_for_path_exists(self._CUPS_SOCK_PATH): |
| raise error.TestFail('Missing CUPS socket: %s', self._CUPS_SOCK_PATH) |
| |
| # Test that cupsd is automatically launched through socket activation. |
| self.check_cups_is_responding() |
| |
| sys_utils.stop_service('cups', ignore_status=False) |
| sys_utils.stop_service('cups.socket', ignore_status=False) |
| |
| # Dummy file to test that cups.socket handles lingering file properly. |
| utils.system('touch %s' % self._CUPS_SOCK_PATH) |
| |
| sys_utils.start_service('cups.socket', ignore_status=False) |
| |
| if not os.path.exists(self._CUPS_SOCK_PATH): |
| raise error.TestFail('Missing CUPS socket: %s', self._CUPS_SOCK_PATH) |
| |
| self.check_cups_is_responding() |
| |
| |
| def run_once(self): |
| """ |
| Run some sanity tests for cupsd. |
| """ |
| if sys_utils.has_systemd(): |
| self.run_systemd_tests() |
| else: |
| self.run_upstart_tests() |