def execute(self, command, logger=None, writein=None, max_lines=None):
self.logger.debug("Execute command: '%s'" % command)
if not self.client:
self._connect()
stdin, stdout, stderr = self._paramiko_exec_command(command)
# read stdout asynchronously - in 'realtime'
output_reader = OutputReader(stdout, logger=logger or self.output_logger, max_lines=max_lines)
if writein:
# write writein to stdin
stdin.write(writein)
stdin.flush()
stdin.channel.shutdown_write()
# wait for end of output
output = output_reader.output()
# wait for exit code
exit_code = stdout.channel.recv_exit_status()
if exit_code:
err = stderr.read().decode('utf-8').strip()
self.logger.debug('command error: %s' % err)
raise CommandError(command, exit_code, err)
return output
def execute(self, command, logger=None, writein=None, max_lines=None):
self.logger.debug("Execute command: '%s'" % command)
process = Popen(command, stdout=PIPE, stderr=PIPE, stdin=PIPE, shell=True)
if writein:
# write writein to stdin
process.stdin.write(writein.encode())
process.stdin.flush()
process.stdin.close()
# read stdout asynchronously - in 'realtime'
output_reader = OutputReader(process.stdout, logger=logger or self.output_logger, max_lines=max_lines)
# wait for end of output
output = output_reader.output()
# wait for exit code
exit_code = process.wait()
if exit_code:
err = process.stderr.read().decode('utf-8').strip()
raise CommandError(command, exit_code, err)
return output
