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#!/usr/bin/env python
#
# TarIt.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
from datetime import datetime
from grs.Constants import CONST
from grs.Execute import Execute
from grs.HashIt import HashIt
class TarIt(HashIt):
""" Create a tarball of the system. """
def __init__(
self,
name,
portage_configroot=CONST.PORTAGE_CONFIGROOT,
logfile=CONST.LOGFILE
):
self.portage_configroot = portage_configroot
self.logfile = logfile
# Prepare a year, month and day for a tarball name timestamp.
year = str(datetime.now().year).zfill(4)
month = str(datetime.now().month).zfill(2)
day = str(datetime.now().day).zfill(2)
self.medium_name = '%s-%s%s%s.tar.xz' % (name, year, month, day)
self.digest_name = '%s.DIGESTS' % self.medium_name
def tarit(self, alt_name=None):
# Create the tarball with the default name unless an alt_name is given.
if alt_name:
self.medium_name = '%s.tar.xz' % alt_name)
self.digest_name = '%s.DIGESTS' % self.medium_name
# We have to cd into the system's portage configroot and then out again.
cwd = os.getcwd()
os.chdir(self.portage_configroot)
tarball_path = os.path.join('..', self.medium_name)
# TODO: This needs to be generalized for systems that don't support xattrs
xattr_opts = '--xattrs --xattrs-include=security.capability --xattrs-include=user.pax.flags'
cmd = 'tar %s -Jcf %s .' % (xattr_opts, tarball_path)
Execute(cmd, timeout=None, logfile=self.logfile)
os.chdir(cwd)
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