def execute_ (self, arguments) :
self.enforce_length (arguments, 1)
machine = self.enforce_select_machine (arguments[0])
exit_code = self.execute_ssh (ProcessModes.NullWithStdoutToStderrText, machine.host, machine.user,
'test', '!', '-d', machine.store)
if not exit_code == 0 :
return Outcomes.Failure ('store already exists; aborting.')
exit_code = self.execute_ssh (ProcessModes.NullWithStdoutToStderrText, machine.host, machine.user,
'mkdir', '-p', machine.store)
if not exit_code == 0 :
return Outcomes.Failure ('store can not be created; aborting.')
tar_process = self.start_local (ProcessModes.PipedBinary,
'tar', '-c', './sources')
tar_process.output_stream.close ()
untar_process = self.start_ssh (ProcessModes.PipedBinary, machine.host, machine.user,
'tar', '-x', '-C', machine.store)
untar_process.input_stream.close ()
while True :
buffer = tar_process.input_stream.read (1024)
if buffer == '' :
break
untar_process.output_stream.write (buffer)
untar_process.output_stream.flush ()
tar_process.join ()
untar_process.join ()
frontend = Frontend (machine.host, machine.user, machine.store)
return frontend.execute ('deploy-machine', [])
def ping_backend (self, machine) :
frontend = Frontend (machine.host, machine.user, machine.store)
frontend.start ()
frontend.output ('ping')
outcome = frontend.input ()
if outcome == 'pong' :
frontend.output ('exit')
exit_code = frontend.join ()
elif outcome == Frontend.End :
self.error.outputf ('remote closed.')
exit_code = frontend.join ()
else :
self.error.outputf ('remote did not pong-ed.')
exit_code = frontend.join ()
if exit_code is None :
return Outcomes.Failure ('remote terminated.')
elif not exit_code == 0 :
return Outcomes.Failure ('remote failed with exit-code %d.', exit_code)
return Outcomes.Succeeded
