root / image_creator / winexe.py @ 9b2b47ae
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# -*- coding: utf-8 -*-
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#
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# Copyright 2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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"""This module provides an interface for the WinEXE utility"""
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import subprocess |
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import time |
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import signal |
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import distutils |
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from image_creator.util import FatalError |
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class WinexeTimeout(FatalError): |
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"""Raised when a WinExE command times-out"""
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pass
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class WinEXE: |
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"""Wrapper class for the winexe command"""
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@staticmethod
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def is_installed(program='winexe'): |
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return distutils.spawn.find_executable(program) is not None |
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def __init__(self, username, password, hostname, program='winexe'): |
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self._host = hostname
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self._user = username
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self._pass = password
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self._prog = program
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# -U USERNAME[%PASSWORD]
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user = '%s%s' % (self._user, '%%%s' % self._pass if self._pass else "") |
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self._opts = ['-U', user] |
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def reset(self): |
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"""Reset all winexe options"""
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# -U USERNAME[%PASSWORD]
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user = '%s%s' % (self._user, '%%%s' % self._pass if self._pass else "") |
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self._opts = ['-U', user] |
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def runas(self, username, password): |
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"""Run command as this user"""
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self._opts.append('--runas=%s%%%s' % (username, password)) |
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return self |
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def system(self): |
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"""Use SYSTEM account"""
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self._opts.append('--system') |
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return self |
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def uninstall(self): |
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"""Uninstall winexe service after remote execution"""
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self._opts.append('--uninstall') |
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return self |
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def reinstall(self): |
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"""Reinstall winexe service before remote execution"""
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self._opts.append('--reinstall') |
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return self |
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def debug(self, level): |
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"""Set debug level"""
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self._opts.append('--debuglevel=%d' % level) |
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return self |
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def debug_stderr(self): |
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"""Send debug output to STDERR"""
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self._opts.append('--debug-stderr') |
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def run(self, command, timeout=0): |
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"""Run a command on a remote windows system"""
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args = [self._prog] + self._opts + ["//%s" % self._host] + [command] |
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run = subprocess.Popen(args, stdout=subprocess.PIPE, |
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stderr=subprocess.PIPE) |
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def handler(signum, frame): |
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run.terminate() |
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time.sleep(1)
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run.poll() |
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if run.returncode is None: |
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run.kill() |
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run.wait() |
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raise WinexeTimeout("Command: `%s' timed-out" % " ".join(args)) |
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signal.signal(signal.SIGALRM, handler) |
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signal.alarm(timeout) |
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stdout, stderr = run.communicate() |
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rc = run.poll() |
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signal.alarm(0)
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return (stdout, stderr, rc)
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# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
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