mirror of
https://github.com/GNS3/gns3-server
synced 2024-11-28 11:18:11 +00:00
140 lines
4.8 KiB
Python
140 lines
4.8 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2016 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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import sys
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import json
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import uuid
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import shutil
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import asyncio
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import zipfile
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import aiohttp
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from ..config import Config
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from .topology import load_topology
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"""
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Handle the import of project from a .gns3project
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"""
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@asyncio.coroutine
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def import_project(controller, project_id, stream):
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"""
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Import a project contain in a zip file
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You need to handle OSerror exceptions
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:param stream: A io.BytesIO of the zipfile
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:param gns3vm: True move Docker, IOU and Qemu to the GNS3 VM
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:returns: Project
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"""
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projects_path = controller.projects_directory()
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os.makedirs(projects_path, exist_ok=True)
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with zipfile.ZipFile(stream) as myzip:
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try:
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topology = json.loads(myzip.read("project.gns3").decode())
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# If the project name is already used we generate a new one
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project_name = controller.get_free_project_name(topology["name"])
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except KeyError:
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raise aiohttp.web.HTTPConflict(text="Can't import topology the .gns3 is corrupted or missing")
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path = os.path.join(projects_path, project_name)
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os.makedirs(path)
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myzip.extractall(path)
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topology = load_topology(os.path.join(path, "project.gns3"))
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topology["name"] = project_name
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# For some VM type we move them to the GNS3 VM if it's not a Linux host
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if not sys.platform.startswith("linux"):
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vm_created = False
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for node in topology["topology"]["nodes"]:
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if node["node_type"] in ("docker", "qemu", "iou"):
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node["compute_id"] = "vm"
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# Project created on the remote GNS3 VM?
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if not vm_created:
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compute = controller.get_compute("vm")
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yield from compute.post("/projects", data={
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"name": project_name,
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"project_id": project_id,
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})
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vm_created = True
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yield from _move_files_to_compute(compute, project_id, path, os.path.join("project-files", node["node_type"], node["node_id"]))
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# And we dump the updated.gns3
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dot_gns3_path = os.path.join(path, project_name + ".gns3")
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# We change the project_id to avoid erasing the project
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topology["project_id"] = project_id
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with open(dot_gns3_path, "w+") as f:
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json.dump(topology, f, indent=4)
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os.remove(os.path.join(path, "project.gns3"))
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if os.path.exists(os.path.join(path, "images")):
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_import_images(controller, path)
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project = yield from controller.load_project(dot_gns3_path, load=False)
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return project
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@asyncio.coroutine
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def _move_files_to_compute(compute, project_id, directory, files_path):
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"""
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Move the files to a remote compute
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"""
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for (dirpath, dirnames, filenames) in os.walk(os.path.join(directory, files_path)):
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for filename in filenames:
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path = os.path.join(dirpath, filename)
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dst = os.path.relpath(path, directory)
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yield from _upload_file(compute, project_id, path, dst)
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shutil.rmtree(os.path.join(directory, files_path))
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@asyncio.coroutine
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def _upload_file(compute, project_id, file_path, path):
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"""
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Upload a file to a remote project
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:param file_path: File path on the controller file system
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:param path: File path on the remote system relative to project directory
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"""
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path = "/projects/{}/files/{}".format(project_id, path.replace("\\", "/"))
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with open(file_path, "rb") as f:
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yield from compute.http_query("POST", path, f, timeout=None)
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def _import_images(controller, path):
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"""
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Copy images to the images directory or delete them if they
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already exists.
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"""
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image_dir = controller.images_path()
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root = os.path.join(path, "images")
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for (dirpath, dirnames, filenames) in os.walk(root):
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for filename in filenames:
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path = os.path.join(dirpath, filename)
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dst = os.path.join(image_dir, os.path.relpath(path, root))
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os.makedirs(os.path.dirname(dst), exist_ok=True)
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shutil.move(path, dst)
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