def signal_child(service, command):
if command == 'stop':
win32serviceutil.StopService(service)
elif command == 'restart':
win32serviceutil.RestartService(service)
else:
win32serviceutil.ControlService(service, control_codes[command])
def Start(cls):
state = cls.__CurrentState()
if state is None:
print("Service %s is not installed." % cls._svc_name_)
return
if state == win32service.SERVICE_RUNNING:
print("Service %s started already." % cls._svc_name_)
return
if state == win32service.SERVICE_STOP_PENDING:
win32serviceutil.WaitForServiceStatus(cls._svc_name_,
win32service.SERVICE_STOPPED,
30)
state = win32service.SERVICE_STOPPED
elif state == win32service.SERVICE_PAUSE_PENDING:
win32serviceutil.WaitForServiceStatus(cls._svc_name_,
win32service.SERVICE_PAUSED,
30)
state = win32service.SERVICE_PAUSED
if state == win32service.SERVICE_STOPPED:
win32serviceutil.StartService(cls._svc_name_)
elif state == win32service.SERVICE_PAUSED:
win32serviceutil.ControlService(
cls._svc_name_, win32service.SERVICE_CONTROL_CONTINUE)
win32serviceutil.WaitForServiceStatus(cls._svc_name_,
win32service.SERVICE_RUNNING, 30)
print("Service %s started successfully." % cls._svc_name_)
def request_agent_status(self):
"""Invoked by a process that is not the agent to request the current agent dump the current detail
status to the status file.
This is used to implement the 'scalyr-agent-2 status -v' feature.
@return: If there is an error, an errno that describes the error. errno.EPERM indicates the current does not
have permission to request the status. errno.ESRCH indicates the agent is not running.
"""
try:
win32serviceutil.ControlService(_SCALYR_AGENT_SERVICE_,
_SERVICE_CONTROL_DETAILED_REPORT_)
except win32api.error as e:
if e[0] == winerror.ERROR_SERVICE_NOT_ACTIVE:
return errno.ESRCH
elif e[0] == winerror.ERROR_SERVICE_DOES_NOT_EXIST:
raise AgentNotRunning(
"The operating system indicates the Scalyr Agent Service is not installed. "
"This indicates a failed installation. Try reinstalling the agent."
)
else:
raise e