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

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# -*- coding: utf-8 -*-
#
# 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 aiohttp
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from gns3server.web.route import Route
from gns3server.controller import Controller
from gns3server.utils import force_unix_path
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from gns3server.schemas.node import (
NODE_OBJECT_SCHEMA,
NODE_UPDATE_SCHEMA,
NODE_CREATE_SCHEMA,
NODE_DUPLICATE_SCHEMA
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)
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class NodeHandler:
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"""
API entry point for node
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"""
@Route.post(
r"/projects/{project_id}/nodes",
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parameters={
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"project_id": "Project UUID"
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},
status_codes={
201: "Instance created",
400: "Invalid request"
},
description="Create a new node instance",
input=NODE_CREATE_SCHEMA,
output=NODE_OBJECT_SCHEMA)
async def create(request, response):
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controller = Controller.instance()
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compute = controller.get_compute(request.json.pop("compute_id"))
project = await controller.get_loaded_project(request.match_info["project_id"])
node = await project.add_node(compute, request.json.pop("name"), request.json.pop("node_id", None), **request.json)
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response.set_status(201)
response.json(node)
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@Route.get(
r"/projects/{project_id}/nodes",
parameters={
"project_id": "Project UUID"
},
status_codes={
200: "List of nodes returned",
},
description="List nodes of a project")
async def list_nodes(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
response.json([v for v in project.nodes.values()])
@Route.post(
r"/projects/{project_id}/nodes/start",
parameters={
"project_id": "Project UUID"
},
status_codes={
204: "All nodes successfully started",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start all nodes belonging to the project",
output=NODE_OBJECT_SCHEMA)
async def start_all(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
await project.start_all()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nodes/stop",
parameters={
"project_id": "Project UUID"
},
status_codes={
204: "All nodes successfully stopped",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Stop all nodes belonging to the project",
output=NODE_OBJECT_SCHEMA)
async def stop_all(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
await project.stop_all()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nodes/suspend",
parameters={
"project_id": "Project UUID"
},
status_codes={
204: "All nodes successfully suspended",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Suspend all nodes belonging to the project",
output=NODE_OBJECT_SCHEMA)
async def suspend_all(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
await project.suspend_all()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nodes/reload",
parameters={
"project_id": "Project UUID"
},
status_codes={
204: "All nodes successfully reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Reload all nodes belonging to the project",
output=NODE_OBJECT_SCHEMA)
async def reload_all(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
await project.stop_all()
await project.start_all()
response.set_status(204)
@Route.get(
r"/projects/{project_id}/nodes/{node_id}",
status_codes={
200: "Node found",
400: "Invalid request",
404: "Node doesn't exist"
},
description="Get a node",
output=NODE_OBJECT_SCHEMA)
def get_node(request, response):
project = Controller.instance().get_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
response.set_status(200)
response.json(node)
@Route.put(
r"/projects/{project_id}/nodes/{node_id}",
status_codes={
200: "Instance updated",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Update a node instance",
input=NODE_UPDATE_SCHEMA,
output=NODE_OBJECT_SCHEMA)
async def update(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
# Ignore these because we only use them when creating a node
request.json.pop("node_id", None)
request.json.pop("node_type", None)
request.json.pop("compute_id", None)
await node.update(**request.json)
response.set_status(200)
response.json(node)
@Route.delete(
r"/projects/{project_id}/nodes/{node_id}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Delete a node instance")
async def delete(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
await project.delete_node(request.match_info["node_id"])
response.set_status(204)
@Route.post(
r"/projects/{project_id}/nodes/{node_id}/duplicate",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
201: "Instance duplicated",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Duplicate a node instance",
input=NODE_DUPLICATE_SCHEMA,
output=NODE_OBJECT_SCHEMA)
async def duplicate(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
new_node = await project.duplicate_node(
node,
request.json["x"],
request.json["y"],
request.json.get("z", 0))
response.json(new_node)
response.set_status(201)
@Route.post(
r"/projects/{project_id}/nodes/{node_id}/start",
parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Instance started",
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400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start a node instance",
output=NODE_OBJECT_SCHEMA)
async def start(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
await node.start(data=request.json)
response.json(node)
response.set_status(200)
@Route.post(
r"/projects/{project_id}/nodes/{node_id}/stop",
parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Instance stopped",
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400: "Invalid request",
404: "Instance doesn't exist"
},
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description="Stop a node instance",
output=NODE_OBJECT_SCHEMA)
async def stop(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
await node.stop()
response.json(node)
response.set_status(200)
@Route.post(
r"/projects/{project_id}/nodes/{node_id}/suspend",
parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Instance suspended",
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400: "Invalid request",
404: "Instance doesn't exist"
},
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description="Suspend a node instance",
output=NODE_OBJECT_SCHEMA)
async def suspend(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
await node.suspend()
response.json(node)
response.set_status(200)
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@Route.post(
r"/projects/{project_id}/nodes/{node_id}/reload",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
200: "Instance reloaded",
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400: "Invalid request",
404: "Instance doesn't exist"
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},
description="Reload a node instance",
output=NODE_OBJECT_SCHEMA)
async def reload(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
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await node.reload()
response.json(node)
response.set_status(200)
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@Route.get(
r"/projects/{project_id}/nodes/{node_id}/links",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
200: "Links returned",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Return all the links connected to this node")
async def links(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
links = []
for link in node.links:
links.append(link.__json__())
response.json(links)
response.set_status(200)
@Route.get(
r"/projects/{project_id}/nodes/{node_id}/dynamips/auto_idlepc",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Compute the IDLE PC for a Dynamips node")
async def auto_idlepc(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
idle = await node.dynamips_auto_idlepc()
response.json(idle)
response.set_status(200)
@Route.get(
r"/projects/{project_id}/nodes/{node_id}/dynamips/idlepc_proposals",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Compute a list of potential idle PC for a node")
async def idlepc_proposals(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
idle = await node.dynamips_idlepc_proposals()
response.json(idle)
response.set_status(200)
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@Route.post(
r"/projects/{project_id}/nodes/{node_id}/resize_disk",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
201: "Disk image resized",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Reload a node instance")
async def resize_disk(request, response):
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
node = project.get_node(request.match_info["node_id"])
await node.post("/resize_disk", request.json)
response.set_status(201)
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@Route.get(
r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Get a file in the node directory")
async def get_file(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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node = project.get_node(request.match_info["node_id"])
path = request.match_info["path"]
path = force_unix_path(path)
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# Raise error if user try to escape
if path[0] == ".":
raise aiohttp.web.HTTPForbidden()
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node_type = node.node_type
path = "/project-files/{}/{}/{}".format(node_type, node.id, path)
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res = await node.compute.http_query("GET", "/projects/{project_id}/files{path}".format(project_id=project.id, path=path), timeout=None, raw=True)
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response.set_status(200)
response.content_type = "application/octet-stream"
response.enable_chunked_encoding()
await response.prepare(request)
await response.write(res.body)
# await response.write_eof() #FIXME: shound't be needed anymore
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@Route.post(
r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
parameters={
"project_id": "Project UUID",
"node_id": "Node UUID"
},
status_codes={
204: "Instance reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
raw=True,
description="Write a file in the node directory")
async def post_file(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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node = project.get_node(request.match_info["node_id"])
path = request.match_info["path"]
path = force_unix_path(path)
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# Raise error if user try to escape
if path[0] == ".":
raise aiohttp.web.HTTPForbidden()
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node_type = node.node_type
path = "/project-files/{}/{}/{}".format(node_type, node.id, path)
data = await request.content.read() #FIXME: are we handling timeout or large files correctly?
await node.compute.http_query("POST", "/projects/{project_id}/files{path}".format(project_id=project.id, path=path), data=data, timeout=None, raw=True)
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response.set_status(201)