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mirror of https://github.com/GNS3/gns3-server synced 2024-12-25 08:18:30 +00:00

QEMU config disk - preserve file timestamp on zip unpack

This commit is contained in:
Bernhard Ehlers 2020-04-07 14:11:00 +02:00 committed by grossmj
parent b69965791d
commit 5c44268476
2 changed files with 58 additions and 4 deletions

View File

@ -37,6 +37,7 @@ from gns3server.utils import parse_version, shlex_quote
from gns3server.utils.asyncio import subprocess_check_output, cancellable_wait_run_in_executor
from .qemu_error import QemuError
from .utils.qcow2 import Qcow2, Qcow2Error
from .utils.ziputils import pack_zip, unpack_zip
from ..adapters.ethernet_adapter import EthernetAdapter
from ..error import NodeError, ImageMissingError
from ..nios.nio_udp import NIOUDP
@ -1657,8 +1658,8 @@ class QemuVM(BaseNode):
os.mkdir(config_dir)
if os.path.exists(zip_file):
os.remove(zip_file)
if await self._mcopy("-s", "-m", "x:/", config_dir) == 0:
shutil.make_archive(zip_file[:-4], "zip", config_dir)
if await self._mcopy("-s", "-m", "-n", "--", "x:/", config_dir) == 0:
pack_zip(zip_file, config_dir)
except OSError as e:
log.error("Can't export config: {}".format(e))
finally:
@ -1674,12 +1675,12 @@ class QemuVM(BaseNode):
try:
shutil.rmtree(config_dir, ignore_errors=True)
os.mkdir(config_dir)
shutil.unpack_archive(zip_file, config_dir)
unpack_zip(zip_file, config_dir)
shutil.copyfile(getattr(self, "config_disk_image"), disk)
config_files = [os.path.join(config_dir, fname)
for fname in os.listdir(config_dir)]
if config_files:
if await self._mcopy("-s", "-m", *config_files, "x:/") != 0:
if await self._mcopy("-s", "-m", "-o", "--", *config_files, "x:/") != 0:
os.remove(disk)
os.remove(zip_file)
except OSError as e:

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@ -0,0 +1,53 @@
#!/usr/bin/env python3
#
# Copyright (C) 2020 GNS3 Technologies Inc.
#
# 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 time
import shutil
import zipfile
def pack_zip(filename, root_dir=None, base_dir=None):
"""Create a zip archive"""
if filename[-4:].lower() == ".zip":
filename = filename[:-4]
shutil.make_archive(filename, 'zip', root_dir, base_dir)
def unpack_zip(filename, extract_dir=None):
"""Unpack a zip archive"""
dirs = []
if not extract_dir:
extract_dir = os.getcwd()
try:
with zipfile.ZipFile(filename, 'r') as zfile:
for zinfo in zfile.infolist():
fname = os.path.join(extract_dir, zinfo.filename)
date_time = time.mktime(zinfo.date_time + (0, 0, -1))
zfile.extract(zinfo, extract_dir)
# update timestamp
if zinfo.is_dir():
dirs.append((fname, date_time))
else:
os.utime(fname, (date_time, date_time))
# update timestamp of directories
for fname, date_time in reversed(dirs):
os.utime(fname, (date_time, date_time))
except zipfile.BadZipFile:
raise shutil.ReadError("%s is not a zip file" % filename)