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gns3-server/gns3server/handlers/api/controller/snapshot_handler.py

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#!/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 logging
log = logging.getLogger()
from gns3server.web.route import Route
from gns3server.controller import Controller
from gns3server.schemas.snapshot import (
SNAPSHOT_OBJECT_SCHEMA,
SNAPSHOT_CREATE_SCHEMA
)
from gns3server.schemas.project import PROJECT_OBJECT_SCHEMA
class SnapshotHandler:
@Route.post(
r"/projects/{project_id}/snapshots",
description="Create snapshot of a project",
parameters={
"project_id": "Project UUID",
},
input=SNAPSHOT_CREATE_SCHEMA,
output=SNAPSHOT_OBJECT_SCHEMA,
status_codes={
201: "Snasphot created",
404: "The project doesn't exist"
})
async def create(request, response):
controller = Controller.instance()
project = controller.get_project(request.match_info["project_id"])
snapshot = await project.snapshot(request.json["name"])
response.json(snapshot)
response.set_status(201)
@Route.get(
r"/projects/{project_id}/snapshots",
description="List snapshots of a project",
parameters={
"project_id": "Project UUID",
},
status_codes={
200: "Snasphot list returned",
404: "The project doesn't exist"
})
def list(request, response):
controller = Controller.instance()
project = controller.get_project(request.match_info["project_id"])
snapshots = [s for s in project.snapshots.values()]
response.json(sorted(snapshots, key=lambda s: s.created_at))
@Route.delete(
r"/projects/{project_id}/snapshots/{snapshot_id}",
description="Delete a snapshot from disk",
parameters={
"project_id": "Project UUID",
"snapshot_id": "Snasphot UUID"
},
status_codes={
204: "Changes have been written on disk",
404: "The project or snapshot doesn't exist"
})
async def delete(request, response):
controller = Controller.instance()
project = controller.get_project(request.match_info["project_id"])
await project.delete_snapshot(request.match_info["snapshot_id"])
response.set_status(204)
@Route.post(
r"/projects/{project_id}/snapshots/{snapshot_id}/restore",
description="Restore a snapshot from disk",
parameters={
"project_id": "Project UUID",
"snapshot_id": "Snasphot UUID"
},
output=PROJECT_OBJECT_SCHEMA,
status_codes={
201: "The snapshot has been restored",
404: "The project or snapshot doesn't exist"
})
async def restore(request, response):
controller = Controller.instance()
project = controller.get_project(request.match_info["project_id"])
snapshot = project.get_snapshot(request.match_info["snapshot_id"])
project = await snapshot.restore()
response.set_status(201)
response.json(project)