mirror of
https://github.com/GNS3/gns3-server
synced 2024-12-27 09:18:09 +00:00
97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Copyright (C) 2016 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 uuid
|
|
import shutil
|
|
import asyncio
|
|
from datetime import datetime, timezone
|
|
|
|
|
|
from .import_project import import_project
|
|
|
|
|
|
# The string use to extract the date from the filename
|
|
FILENAME_TIME_FORMAT = "%d%m%y_%H%M%S"
|
|
|
|
|
|
class Snapshot:
|
|
"""
|
|
A snapshot object
|
|
"""
|
|
|
|
def __init__(self, project, name=None, filename=None):
|
|
|
|
assert filename or name, "You need to pass a name or a filename"
|
|
|
|
self._id = str(uuid.uuid4()) # We don't need to keep id between project loading because they are use only as key for operation like delete, update.. but have no impact on disk
|
|
self._project = project
|
|
if name:
|
|
self._name = name
|
|
self._created_at = datetime.now().timestamp()
|
|
filename = self._name + "_" + datetime.utcfromtimestamp(self._created_at).replace(tzinfo=None).strftime(FILENAME_TIME_FORMAT) + ".gns3project"
|
|
else:
|
|
self._name = filename.split("_")[0]
|
|
datestring = filename.replace(self._name + "_", "").split(".")[0]
|
|
try:
|
|
self._created_at = datetime.strptime(datestring, FILENAME_TIME_FORMAT).replace(tzinfo=timezone.utc).timestamp()
|
|
except ValueError:
|
|
self._created_at = datetime.utcnow().timestamp()
|
|
self._path = os.path.join(project.path, "snapshots", filename)
|
|
|
|
@property
|
|
def id(self):
|
|
return self._id
|
|
|
|
@property
|
|
def name(self):
|
|
return self._name
|
|
|
|
@property
|
|
def path(self):
|
|
return self._path
|
|
|
|
@property
|
|
def created_at(self):
|
|
return int(self._created_at)
|
|
|
|
@asyncio.coroutine
|
|
def restore(self):
|
|
"""
|
|
Restore the snapshot
|
|
"""
|
|
|
|
yield from self._project.delete_on_computes()
|
|
# We don't send close notif to clients because the close / open dance is purely internal
|
|
yield from self._project.close(ignore_notification=True)
|
|
self._project.controller.notification.emit("snapshot.restored", self.__json__())
|
|
if os.path.exists(os.path.join(self._project.path, "project-files")):
|
|
shutil.rmtree(os.path.join(self._project.path, "project-files"))
|
|
with open(self._path, "rb") as f:
|
|
project = yield from import_project(self._project.controller, self._project.id, f, location=self._project.path)
|
|
yield from project.open()
|
|
return project
|
|
|
|
def __json__(self):
|
|
return {
|
|
"snapshot_id": self._id,
|
|
"name": self._name,
|
|
"created_at": int(self._created_at),
|
|
"project_id": self._project.id
|
|
}
|