Restore images & projects tarballs

gns3server/handlers/upload_handler.py

@@ -62,23 +62,29 @@ class UploadHandler:
             response.redirect("/upload")
             return
 
-        if data["type"] not in ["IOU", "IOURC", "QEMU", "IOS"]:
-            raise aiohttp.web.HTTPForbidden("You are not authorized to upload this kind of image {}".format(data["type"]))
-
-        if data["type"] == "IOURC":
-            destination_dir = os.path.expanduser("~/")
-            destination_path = os.path.join(destination_dir, ".iourc")
-        else:
-            destination_dir = os.path.join(UploadHandler.image_directory(), data["type"])
-            destination_path = os.path.join(destination_dir, data["file"].filename)
+        if data["type"] not in ["IOU", "IOURC", "QEMU", "IOS", "IMAGES", "PROJECTS"]:
+            raise aiohttp.web.HTTPForbidden(text="You are not authorized to upload this kind of image {}".format(data["type"]))
+
         try:
-            os.makedirs(destination_dir, exist_ok=True)
-            with open(destination_path, "wb+") as f:
-                chunk = data["file"].file.read()
-                f.write(chunk)
-            st = os.stat(destination_path)
-            os.chmod(destination_path, st.st_mode | stat.S_IXUSR)
+            if data["type"] == "IMAGES":
+                UploadHandler._restore_directory(data["file"], UploadHandler.image_directory())
+            elif data["type"] == "PROJECTS":
+                UploadHandler._restore_directory(data["file"], UploadHandler.project_directory())
+            else:
+                if data["type"] == "IOURC":
+                    destination_dir = os.path.expanduser("~/")
+                    destination_path = os.path.join(destination_dir, ".iourc")
+                else:
+                    destination_dir = os.path.join(UploadHandler.image_directory(), data["type"])
+                    destination_path = os.path.join(destination_dir, data["file"].filename)
+                    os.makedirs(destination_dir, exist_ok=True)
+                    with open(destination_path, "wb+") as f:
+                        chunk = data["file"].file.read()
+                        f.write(chunk)
+                    st = os.stat(destination_path)
+                    os.chmod(destination_path, st.st_mode | stat.S_IXUSR)
         except OSError as e:
+            print(e)
             response.html("Could not upload file: {}".format(e))
             response.set_status(200)
             return
@@ -86,7 +92,7 @@ class UploadHandler:
 
     @classmethod
     @Route.get(
-        r"/upload/backup/images.tar",
+        r"/backup/images.tar",
         description="Backup GNS3 images",
         api_version=None
     )
@@ -95,16 +101,34 @@ class UploadHandler:
 
     @classmethod
     @Route.get(
-        r"/upload/backup/projects.tar",
+        r"/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
+    def _restore_directory(file, directory):
+        """
+        Extract from HTTP stream the content of a tar
+        """
+        destination_path = os.path.join(directory, "archive.tar")
+        os.makedirs(directory, exist_ok=True)
+        with open(destination_path, "wb+") as f:
+            chunk = file.file.read()
+            f.write(chunk)
+        t = tarfile.open(destination_path)
+        t.extractall(directory)
+        t.close()
+        os.remove(destination_path)
+
     @staticmethod
     @asyncio.coroutine
     def _backup_directory(request, response, directory):
+        """
+        Return a tar archive from a directory
+        """
         response.content_type = 'application/x-gtar'
         response.set_status(200)
         response.enable_chunked_encoding()

gns3server/templates/index.html

@@ -6,6 +6,6 @@
 <ul>
     <li><a href="http://community.gns3.com">Community</a></li>
     <li><a href="http://api.gns3.net">API documentation</a></li>
-    <li><a href="/upload">Upload images</a></li>
+    <li><a href="/upload">Upload images & backup</a></li>
 </ul>
 {% endblock %}

gns3server/templates/layout.html

@@ -5,11 +5,13 @@
 </head>
 <body>
 <div>
-    <a href="/upload">Home</a>
+    <a href="/">Home</a>
     |
-    <a href="/upload/backup/images.tar">Backup images</a>
+    <a href="/upload">Upload</a>
+    |    
+    <a href="/backup/images.tar">Backup images</a>
     |
-    <a href="/upload/backup/projects.tar">Backup projects</a>
+    <a href="/backup/projects.tar">Backup projects</a>
 </div>
 {% block body %}{% endblock %}
 </body>

gns3server/templates/upload.html

@@ -8,6 +8,8 @@
         <option value="IOURC">IOU licence (iourc)</option>
         <option value="IOS">IOS</option>
         <option value="QEMU">Qemu</option>
+        <option value="IMAGES">GNS3 images backup (.tar)</option>
+        <option value="PROJECTS">GNS3 projects backup (.tar)</option>
     </select>
     <br />
     <br />

tests/handlers/test_upload.py

@@ -51,6 +51,74 @@ def test_upload(server, tmpdir):
     assert "test2" in response.body.decode("utf-8")
 
 
+def test_upload_images_backup(server, tmpdir):
+    Config.instance().set("Server", "images_path", str(tmpdir / 'images'))
+    os.makedirs(str(tmpdir / 'images' / 'IOU'))
+    # An old IOU image that we need to replace
+    with open(str(tmpdir / 'images' / 'IOU' / 'b.img'), 'w+') as f:
+        f.write('bad')
+
+    os.makedirs(str(tmpdir / 'old' / 'QEMU'))
+    with open(str(tmpdir / 'old' / 'QEMU' / 'a.img'), 'w+') as f:
+        f.write('hello')
+    os.makedirs(str(tmpdir / 'old' / 'IOU'))
+    with open(str(tmpdir / 'old' / 'IOU' / 'b.img'), 'w+') as f:
+        f.write('world')
+
+    os.chdir(str(tmpdir / 'old'))
+    with tarfile.open(str(tmpdir / 'test.tar'), 'w') as tar:
+        tar.add('.', recursive=True)
+
+    body = aiohttp.FormData()
+    body.add_field('type', 'IMAGES')
+    body.add_field('file', open(str(tmpdir / 'test.tar'), 'rb'), content_type='application/x-gtar', filename='test.tar')
+    response = server.post('/upload', api_version=None, body=body, raw=True)
+    assert response.status == 200
+
+    with open(str(tmpdir / 'images' / 'QEMU' / 'a.img')) as f:
+        assert f.read() == 'hello'
+    with open(str(tmpdir / 'images' / 'IOU' / 'b.img')) as f:
+        assert f.read() == 'world'
+
+    assert 'a.img' in response.body.decode('utf-8')
+    assert 'b.img' in response.body.decode('utf-8')
+    assert not os.path.exists(str(tmpdir / 'images' / 'archive.tar'))
+
+
+def test_upload_projects_backup(server, tmpdir):
+    Config.instance().set("Server", "projects_path", str(tmpdir / 'projects'))
+    os.makedirs(str(tmpdir / 'projects' / 'b'))
+    # An old b image that we need to replace
+    with open(str(tmpdir / 'projects' / 'b' / 'b.img'), 'w+') as f:
+        f.write('bad')
+
+    os.makedirs(str(tmpdir / 'old' / 'a'))
+    with open(str(tmpdir / 'old' / 'a' / 'a.img'), 'w+') as f:
+        f.write('hello')
+    os.makedirs(str(tmpdir / 'old' / 'b'))
+    with open(str(tmpdir / 'old' / 'b' / 'b.img'), 'w+') as f:
+        f.write('world')
+
+    os.chdir(str(tmpdir / 'old'))
+    with tarfile.open(str(tmpdir / 'test.tar'), 'w') as tar:
+        tar.add('.', recursive=True)
+
+    body = aiohttp.FormData()
+    body.add_field('type', 'PROJECTS')
+    body.add_field('file', open(str(tmpdir / 'test.tar'), 'rb'), content_type='application/x-gtar', filename='test.tar')
+    response = server.post('/upload', api_version=None, body=body, raw=True)
+    assert response.status == 200
+
+    with open(str(tmpdir / 'projects' / 'a' / 'a.img')) as f:
+        assert f.read() == 'hello'
+    with open(str(tmpdir / 'projects' / 'b' / 'b.img')) as f:
+        assert f.read() == 'world'
+
+    assert 'a.img' not in response.body.decode('utf-8')
+    assert 'b.img' not in response.body.decode('utf-8')
+    assert not os.path.exists(str(tmpdir / 'projects' / 'archive.tar'))
+
+
 def test_backup_images(server, tmpdir, loop):
     Config.instance().set('Server', 'images_path', str(tmpdir))
 
@@ -60,7 +128,7 @@ def test_backup_images(server, tmpdir, loop):
     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)
+    response = server.get('/backup/images.tar', api_version=None, raw=True)
     assert response.status == 200
     assert response.headers['CONTENT-TYPE'] == 'application/x-gtar'
 
@@ -92,7 +160,7 @@ def test_backup_projects(server, tmpdir, loop):
     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)
+    response = server.get('/backup/projects.tar', api_version=None, raw=True)
     assert response.status == 200
     assert response.headers['CONTENT-TYPE'] == 'application/x-gtar'