00f995f5cd
Enable service triggers only for Windows 6.1, which doesn't include Windows Vista and Windows 2008. This patch prevents a hang on these older OSes, because sc.exe will wait for user input before exiting. Change-Id: Ia245f086db9bf4b22f492f2cca52f3bd8ea5edae
68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import time
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from cloudbaseinit import exception
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from cloudbaseinit.plugins.common import ntpclient
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_W32TIME_SERVICE = "w32time"
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class NTPClientPlugin(ntpclient.NTPClientPlugin):
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@staticmethod
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def _set_ntp_trigger_mode(osutils):
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"""Set the trigger mode for w32time service to network availability.
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This function changes the triggers for the w32time service, so that
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the service will always work when there's networking, but will
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stop itself whenever this condition stops being true.
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It also changes the current triggers of the service (domain joined
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for instance).
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"""
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args = ["sc.exe", "triggerinfo", _W32TIME_SERVICE,
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"start/networkon", "stop/networkoff"]
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return osutils.execute_system32_process(args)
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def verify_time_service(self, osutils):
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"""Verify that the time service is up and try to start it."""
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svc_start_mode = osutils.get_service_start_mode(
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_W32TIME_SERVICE)
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if svc_start_mode != osutils.SERVICE_START_MODE_AUTOMATIC:
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osutils.set_service_start_mode(
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_W32TIME_SERVICE,
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osutils.SERVICE_START_MODE_AUTOMATIC)
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if osutils.check_os_version(6, 1):
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self._set_ntp_trigger_mode(osutils)
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svc_status = osutils.get_service_status(_W32TIME_SERVICE)
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if svc_status == osutils.SERVICE_STATUS_STOPPED:
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osutils.start_service(_W32TIME_SERVICE)
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i = 0
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max_retries = 30
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while svc_status != osutils.SERVICE_STATUS_RUNNING:
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if i >= max_retries:
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raise exception.CloudbaseInitException(
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'Service %s did not start' % _W32TIME_SERVICE)
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time.sleep(1)
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svc_status = osutils.get_service_status(_W32TIME_SERVICE)
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i += 1
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super(NTPClientPlugin, self).verify_time_service(osutils)
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