104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
# Copyright 2014 Hewlett-Packard
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import servicemanager
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import sys
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import win32event
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import win32service
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import win32serviceutil
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from freezer.utils import winutils
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class PySvc(win32serviceutil.ServiceFramework):
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_svc_name_ = "FreezerService"
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_svc_display_name_ = "Freezer Service"
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_svc_description_ = "Freezer Service"
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def __init__(self, args):
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win32serviceutil.ServiceFramework.__init__(self, args)
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# create an event to listen for stop requests on
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self.hWaitStop = win32event.CreateEvent(None, 0, 0, None)
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self.home = r'C:\.freezer'
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self.insecure = False
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def SvcDoRun(self):
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"""Run the windows service and start the scheduler in the background
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"""
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rc = None
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self.main()
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# if the stop event hasn't been fired keep looping
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while rc != win32event.WAIT_OBJECT_0:
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# block for 5 seconds and listen for a stop event
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rc = win32event.WaitForSingleObject(self.hWaitStop, 5000)
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def SvcStop(self):
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"""Stop the windows service and stop the scheduler instance
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"""
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# tell the SCM we're shutting down
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self.ReportServiceStatus(win32service.SERVICE_STOP_PENDING)
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# fire the stop event
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servicemanager.LogInfoMsg("freezer-scheduler stopped")
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win32event.SetEvent(self.hWaitStop)
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def main(self):
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from freezer.scheduler.freezer_scheduler import FreezerScheduler
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from freezerclient.v1.client import Client
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servicemanager.LogMsg(
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servicemanager.EVENTLOG_INFORMATION_TYPE,
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servicemanager.PYS_SERVICE_STARTED,
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(self._svc_name_, ''))
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winutils.set_environment(self.home)
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if os.environ.get('SERVICE_INSECURE'):
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self.insecure = True
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# only support for keystone v3
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credentials = {}
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# if os.environ['OS_IDENTITY_API_VERSION'] == 3:
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credentials = {
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'username': os.environ['OS_USERNAME'],
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'password': os.environ['OS_PASSWORD'],
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'auth_url': os.environ['OS_AUTH_URL'],
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'endpoint': os.environ['OS_BACKUP_URL'],
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'project_name': os.environ['OS_PROJECT_NAME'],
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'user_domain_name': os.environ['OS_USER_DOMAIN_NAME'],
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'project_domain_name': os.environ['OS_PROJECT_DOMAIN_NAME'],
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'insecure': self.insecure
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}
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client = Client(**credentials)
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scheduler = FreezerScheduler(
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apiclient=client, interval=int(os.environ['SERVICE_INTERVAL']),
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job_path=os.environ['SERVICE_JOB_PATH'],
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concurrent_jobs=int(os.environ['SERVICE_CONCURRENT_JOBS']))
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scheduler.start()
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if __name__ == '__main__':
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if len(sys.argv) == 1:
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servicemanager.Initialize()
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servicemanager.PrepareToHostSingle(PySvc)
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servicemanager.StartServiceCtrlDispatcher()
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else:
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win32serviceutil.HandleCommandLine(PySvc)
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