Refactor common args used for building PowerShell commands.

This commit is contained in:
Chris Church 2014-06-17 23:26:36 -05:00 committed by Matt Martz
parent 0c938562a7
commit 7e8cc65829
2 changed files with 9 additions and 4 deletions

View file

@ -127,7 +127,7 @@ class Connection(object):
vvvv("WINRM PARTS %r" % cmd_parts, host=self.host)
# For script/raw support.
if cmd_parts and cmd_parts[0].lower().endswith('.ps1'):
script = 'PowerShell -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -File ' + ' '.join(['"%s"' % x for x in cmd_parts])
script = powershell._build_file_cmd(cmd_parts)
cmd_parts = powershell._encode_script(script, as_list=True)
try:
result = self._winrm_exec(cmd_parts[0], cmd_parts[1:])

View file

@ -22,6 +22,8 @@ import random
import shlex
import time
_common_args = ['PowerShell', '-NoProfile', '-NonInteractive']
def _escape(value, include_vars=False):
'''Return value escaped for use in PowerShell command.'''
# http://www.techotopia.com/index.php/Windows_PowerShell_1.0_String_Quoting_and_Escape_Sequences
@ -39,11 +41,15 @@ def _escape(value, include_vars=False):
def _encode_script(script, as_list=False):
'''Convert a PowerShell script to a single base64-encoded command.'''
encoded_script = base64.b64encode(script.encode('utf-16-le'))
cmd_parts = ['PowerShell', '-NoProfile', '-NonInteractive', '-EncodedCommand', encoded_script]
cmd_parts = _common_args + ['-EncodedCommand', encoded_script]
if as_list:
return cmd_parts
return ' '.join(cmd_parts)
def _build_file_cmd(cmd_parts):
'''Build command line to run a file, given list of file name plus args.'''
return ' '.join(_common_args + ['-ExecutionPolicy', 'Unrestricted', '-File'] + ['"%s"' % x for x in cmd_parts])
class ShellModule(object):
def env_prefix(self, **kwargs):
@ -75,8 +81,7 @@ class ShellModule(object):
cmd_parts = shlex.split(cmd, posix=False)
if not cmd_parts[0].lower().endswith('.ps1'):
cmd_parts[0] = '%s.ps1' % cmd_parts[0]
cmd_parts = ['PowerShell', '-NoProfile', '-NonInteractive', '-ExecutionPolicy', 'Unrestricted', '-File'] + ['"%s"' % x for x in cmd_parts]
script = ' '.join(cmd_parts)
script = _build_file_cmd(cmd_parts)
if rm_tmp:
rm_tmp = _escape(rm_tmp)
script = '%s; Remove-Item "%s" -Force -Recurse;' % (script, rm_tmp)