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Allow user to backup projects and images

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This commit is contained in:
Julien Duponchelle 2015-07-21 14:20:58 +02:00
parent 2ccb30eeb5
commit 270017d945
4 changed files with 127 additions and 1 deletions
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48
gns3server/handlers/upload_handler.py
View File

@ -18,6 +18,9 @@
import os
import aiohttp
import stat
import io
import tarfile
import asyncio
from ..config import Config
from ..web.route import Route
@ -81,7 +84,52 @@ class UploadHandler:
return
response.redirect("/upload")
@classmethod
@Route.get(
r"/upload/backup/images.tar",
description="Backup GNS3 images",
api_version=None
)
def backup_images(request, response):
yield from UploadHandler._backup_directory(request, response, UploadHandler.image_directory())
@classmethod
@Route.get(
r"/upload/backup/projects.tar",
description="Backup GNS3 projects",
api_version=None
)
def backup_images(request, response):
yield from UploadHandler._backup_directory(request, response, UploadHandler.project_directory())
@staticmethod
@asyncio.coroutine
def _backup_directory(request, response, directory):
response.content_type = 'application/x-gtar'
response.set_status(200)
response.enable_chunked_encoding()
# Very important: do not send a content length otherwise QT close the connection but curl can consume the Feed
response.content_length = None
response.start(request)
buffer = io.BytesIO()
with tarfile.open('arch.tar', 'w', fileobj=buffer) as tar:
for root, dirs, files in os.walk(directory):
for file in files:
path = os.path.join(root, file)
tar.add(os.path.join(root, file), arcname=os.path.relpath(path, directory))
response.write(buffer.getvalue())
yield from response.drain()
buffer.truncate(0)
buffer.seek(0)
yield from response.write_eof()
@staticmethod
def image_directory():
server_config = Config.instance().get_section_config("Server")
return os.path.expanduser(server_config.get("images_path", "~/GNS3/images"))
@staticmethod
def project_directory():
server_config = Config.instance().get_section_config("Server")
return os.path.expanduser(server_config.get("projects_path", "~/GNS3/images"))

7
gns3server/templates/layout.html
View File

@ -4,6 +4,13 @@
<title>GNS3 Server</title>
</head>
<body>
<div>
<a href="/upload">Home</a>
|
<a href="/upload/backup/images.tar">Backup images</a>
|
<a href="/upload/backup/projects.tar">Backup projects</a>
</div>
{% block body %}{% endblock %}
</body>
<small>

5
tests/handlers/api/base.py
View File

@ -88,7 +88,10 @@ class Query:
except ValueError:
response.json = None
else:
response.html = response.body.decode("utf-8")
try:
response.html = response.body.decode("utf-8")
except UnicodeDecodeError:
response.html = None
else:
response.json = {}
response.html = ""

68
tests/handlers/test_upload.py
View File

@ -17,10 +17,15 @@
import aiohttp
import asyncio
import os
import tarfile
from unittest.mock import patch
from gns3server.config import Config
def test_index_upload(server):
response = server.get('/upload', api_version=None)
assert response.status == 200
@ -44,3 +49,66 @@ def test_upload(server, tmpdir):
assert f.read() == "TEST"
assert "test2" in response.body.decode("utf-8")
def test_backup_images(server, tmpdir, loop):
Config.instance().set('Server', 'images_path', str(tmpdir))
os.makedirs(str(tmpdir / 'QEMU'))
with open(str(tmpdir / 'QEMU' / 'a.img'), 'w+') as f:
f.write('hello')
with open(str(tmpdir / 'QEMU' / 'b.img'), 'w+') as f:
f.write('world')
response = server.get('/upload/backup/images.tar', api_version=None, raw=True)
assert response.status == 200
assert response.headers['CONTENT-TYPE'] == 'application/x-gtar'
with open(str(tmpdir / 'images.tar'), 'wb+') as f:
print(len(response.body))
f.write(response.body)
tar = tarfile.open(str(tmpdir / 'images.tar'), 'r')
os.makedirs(str(tmpdir / 'extract'))
os.chdir(str(tmpdir / 'extract'))
# Extract to current working directory
tar.extractall()
tar.close()
assert os.path.exists(os.path.join('QEMU', 'a.img'))
open(os.path.join('QEMU', 'a.img')).read() == 'hello'
assert os.path.exists(os.path.join('QEMU', 'b.img'))
open(os.path.join('QEMU', 'b.img')).read() == 'world'
def test_backup_projects(server, tmpdir, loop):
Config.instance().set('Server', 'projects_path', str(tmpdir))
os.makedirs(str(tmpdir / 'a'))
with open(str(tmpdir / 'a' / 'a.gns3'), 'w+') as f:
f.write('hello')
os.makedirs(str(tmpdir / 'b'))
with open(str(tmpdir / 'b' / 'b.gns3'), 'w+') as f:
f.write('world')
response = server.get('/upload/backup/projects.tar', api_version=None, raw=True)
assert response.status == 200
assert response.headers['CONTENT-TYPE'] == 'application/x-gtar'
with open(str(tmpdir / 'projects.tar'), 'wb+') as f:
print(len(response.body))
f.write(response.body)
tar = tarfile.open(str(tmpdir / 'projects.tar'), 'r')
os.makedirs(str(tmpdir / 'extract'))
os.chdir(str(tmpdir / 'extract'))
# Extract to current working directory
tar.extractall()
tar.close()
assert os.path.exists(os.path.join('a', 'a.gns3'))
open(os.path.join('a', 'a.gns3')).read() == 'hello'
assert os.path.exists(os.path.join('b', 'b.gns3'))
open(os.path.join('b', 'b.gns3')).read() == 'world'