mirror of
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130 lines
3.6 KiB
Python
130 lines
3.6 KiB
Python
# Copyright 2016 Google Inc. All Rights Reserved.
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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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"""This joins a Windows machine to an Active Directory domain.
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Methods:
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* auto: Auto join the domain with no user interaction.
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* interactive: Prompt the user for domain join credentials.
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"""
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import logging
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import socket
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import time
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from glazier.lib import buildinfo
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from glazier.lib import constants
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from glazier.lib import interact
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from glazier.lib import powershell
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AUTH_OPTS = [
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'auto',
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'interactive',
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]
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class DomainJoinError(Exception):
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pass
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class DomainJoinCredentials(object):
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def __init__(self):
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self._username = None
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self._password = None
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def GetUsername(self):
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"""Override to provide automatic join credentials."""
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return self._username
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def GetPassword(self):
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"""Override to provide automatic join credentials."""
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return self._password
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class DomainJoin(object):
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"""Defines several functions used to join a machine to the domain."""
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def __init__(self, method, domain_name, ou=None):
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self._build_info = buildinfo.BuildInfo()
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self._domain_name = domain_name
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self._domain_ou = ou
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self._method = method
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self._password = None
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self._username = None
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def _AutomaticJoin(self):
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"""Join the domain with automated credentials."""
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creds = DomainJoinCredentials()
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self._username = creds.GetUsername()
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self._password = creds.GetPassword()
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logging.info('Starting automated domain join. Hostname: %s',
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socket.gethostname())
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while True:
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ps = powershell.PowerShell()
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try:
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logging.debug('Attempting to join the domain %s.', self._domain_name)
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ps.RunLocal(
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r'%s\join-domain.ps1' % constants.SYS_CACHE,
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args=[self._username, self._password, self._domain_name])
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except powershell.PowerShellError as e:
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logging.error(
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'Domain join failed. Sleeping 5 minutes then trying again. (%s)', e)
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time.sleep(300)
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continue
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logging.info('Joined the machine to the domain.')
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break
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def _SetUsername(self):
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self._username = interact.GetUsername()
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def _InteractiveJoin(self):
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"""Join the domain with user-interactive dialog."""
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while True:
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self._SetUsername()
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ps = powershell.PowerShell()
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cmd = [
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'Add-Computer', '-DomainName', self._domain_name, '-Credential',
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self._username, '-PassThru'
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]
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if self._domain_ou:
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cmd += ['-OUPath', self._domain_ou]
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try:
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logging.debug('Attempting to join the domain %s.', self._domain_name)
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ps.RunCommand(cmd)
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except powershell.PowerShellError as e:
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logging.error(
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'Domain join failed. Sleeping 5 minutes then trying again. (%s)', e)
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continue
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logging.info('Joined the machine to the domain.')
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break
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def JoinDomain(self):
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"""Perform the domain join operation."""
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logging.debug('Beginning domain join process.')
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if self._method.startswith('auto'):
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self._AutomaticJoin()
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else:
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self._InteractiveJoin()
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logging.info('Domain join completed.')
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