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#!/usr/bin/env python
#
# RunScript.py: this file is part of the GRS suite
# Copyright (C) 2015 Anthony G. Basile
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import shutil
from grs.Constants import CONST
from grs.Execute import Execute
class RunScript():
""" Run a script within the chroot. """
def __init__(
self,
libdir=CONST.LIBDIR,
portage_configroot=CONST.PORTAGE_CONFIGROOT,
logfile=CONST.LOGFILE
):
self.libdir = libdir
self.portage_configroot = portage_configroot
self.logfile = logfile
def runscript(self, script_name):
# Copy the script form the GRS repo to the system's portage configroot's /tmp.
# Don't add a suffix to the script since we will admit bash, python, etc.
script_org = os.path.join(self.libdir, 'scripts/%s' % script_name)
script_dst = os.path.join(self.portage_configroot, 'tmp/script')
shutil.copy(script_org, script_dst)
# Mark the script as excutable and execute it.
os.chmod(script_dst, 0o0755)
cmd = 'chroot %s /tmp/script' % self.portage_configroot
Execute(cmd, timeout=None, logfile=self.logfile)
# In the case of a clean script, it can delete itself, so
# check if the script exists before trying to delete it.
if os.path.isfile(script_dst):
os.unlink(script_dst)
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