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551 lines
20 KiB
551 lines
20 KiB
# -*- coding: utf-8 -*-
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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 aiohttp
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import asyncio
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from gns3server.web.route import Route
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from gns3server.controller import Controller
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from gns3server.utils import force_unix_path
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from gns3server.schemas.node import (
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NODE_OBJECT_SCHEMA,
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NODE_UPDATE_SCHEMA,
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NODE_CREATE_SCHEMA,
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NODE_DUPLICATE_SCHEMA
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)
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import logging
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log = logging.getLogger(__name__)
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class NodeHandler:
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"""
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API entry point for node
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"""
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@Route.post(
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r"/projects/{project_id}/nodes",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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201: "Instance created",
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400: "Invalid request"
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},
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description="Create a new node instance",
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input=NODE_CREATE_SCHEMA,
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output=NODE_OBJECT_SCHEMA)
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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"))
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project = await controller.get_loaded_project(request.match_info["project_id"])
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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)
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response.json(node)
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@Route.get(
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r"/projects/{project_id}/nodes",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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200: "List of nodes returned",
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},
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description="List nodes of a project")
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async def list_nodes(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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response.json([v for v in project.nodes.values()])
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@Route.post(
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r"/projects/{project_id}/nodes/start",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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204: "All nodes successfully started",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Start all nodes belonging to the project",
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output=NODE_OBJECT_SCHEMA)
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async def start_all(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.start_all()
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/nodes/stop",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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204: "All nodes successfully stopped",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Stop all nodes belonging to the project",
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output=NODE_OBJECT_SCHEMA)
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async def stop_all(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.stop_all()
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/nodes/suspend",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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204: "All nodes successfully suspended",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Suspend all nodes belonging to the project",
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output=NODE_OBJECT_SCHEMA)
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async def suspend_all(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.suspend_all()
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/nodes/reload",
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parameters={
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"project_id": "Project UUID"
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},
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status_codes={
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204: "All nodes successfully reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Reload all nodes belonging to the project",
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output=NODE_OBJECT_SCHEMA)
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async def reload_all(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.stop_all()
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await project.start_all()
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response.set_status(204)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}",
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status_codes={
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200: "Node found",
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400: "Invalid request",
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404: "Node doesn't exist"
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},
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description="Get a node",
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output=NODE_OBJECT_SCHEMA)
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def get_node(request, response):
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project = Controller.instance().get_project(request.match_info["project_id"])
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node = project.get_node(request.match_info["node_id"])
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response.set_status(200)
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response.json(node)
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@Route.put(
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r"/projects/{project_id}/nodes/{node_id}",
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status_codes={
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200: "Instance updated",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Update a node instance",
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input=NODE_UPDATE_SCHEMA,
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output=NODE_OBJECT_SCHEMA)
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async def update(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"])
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# Ignore these because we only use them when creating a node
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request.json.pop("node_id", None)
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request.json.pop("node_type", None)
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request.json.pop("compute_id", None)
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await node.update(**request.json)
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response.set_status(200)
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response.json(node)
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@Route.delete(
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r"/projects/{project_id}/nodes/{node_id}",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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204: "Instance deleted",
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400: "Invalid request",
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404: "Instance doesn't exist",
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409: "Cannot delete locked node"
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},
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description="Delete a node instance")
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async def delete(request, response):
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project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
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await project.delete_node(request.match_info["node_id"])
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/duplicate",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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201: "Instance duplicated",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Duplicate a node instance",
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input=NODE_DUPLICATE_SCHEMA,
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output=NODE_OBJECT_SCHEMA)
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async def duplicate(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"])
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new_node = await project.duplicate_node(
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node,
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request.json["x"],
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request.json["y"],
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request.json.get("z", 0))
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response.json(new_node)
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response.set_status(201)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/start",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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200: "Instance started",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Start a node instance",
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output=NODE_OBJECT_SCHEMA)
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async def start(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"])
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await node.start(data=request.json)
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response.json(node)
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response.set_status(200)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/stop",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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200: "Instance stopped",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Stop a node instance",
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output=NODE_OBJECT_SCHEMA)
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async def stop(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"])
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await node.stop()
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response.json(node)
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response.set_status(200)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/suspend",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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200: "Instance suspended",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Suspend a node instance",
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output=NODE_OBJECT_SCHEMA)
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async def suspend(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"])
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await node.suspend()
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response.json(node)
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response.set_status(200)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/reload",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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200: "Instance reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Reload a node instance",
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output=NODE_OBJECT_SCHEMA)
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async def reload(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"])
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await node.reload()
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response.json(node)
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response.set_status(200)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}/links",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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200: "Links returned",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Return all the links connected to this node")
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async def links(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"])
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links = []
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for link in node.links:
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links.append(link.__json__())
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response.json(links)
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response.set_status(200)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}/dynamips/auto_idlepc",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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204: "Instance reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Compute the IDLE PC for a Dynamips node")
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async def auto_idlepc(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"])
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idle = await node.dynamips_auto_idlepc()
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response.json(idle)
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response.set_status(200)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}/dynamips/idlepc_proposals",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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204: "Instance reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Compute a list of potential idle PC for a node")
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async def idlepc_proposals(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"])
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idle = await node.dynamips_idlepc_proposals()
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response.json(idle)
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response.set_status(200)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/resize_disk",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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201: "Disk image resized",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Reload a node instance")
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async def resize_disk(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"])
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await node.post("/resize_disk", request.json)
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response.set_status(201)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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204: "Instance reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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description="Get a file in the node directory")
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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"])
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path = request.match_info["path"]
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path = force_unix_path(path)
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# Raise error if user try to escape
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if path[0] == "." or "/../" in path:
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raise aiohttp.web.HTTPForbidden()
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node_type = node.node_type
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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(res.status)
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if res.status == 200:
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response.content_type = "application/octet-stream"
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response.enable_chunked_encoding()
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await response.prepare(request)
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await response.write(res.body)
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@Route.post(
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r"/projects/{project_id}/nodes/{node_id}/files/{path:.+}",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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status_codes={
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204: "Instance reloaded",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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raw=True,
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description="Write a file in the node directory")
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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"])
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path = request.match_info["path"]
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path = force_unix_path(path)
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# Raise error if user try to escape
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if path[0] == "." or "/../" in path:
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raise aiohttp.web.HTTPForbidden()
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node_type = node.node_type
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path = "/project-files/{}/{}/{}".format(node_type, node.id, path)
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data = await request.content.read() #FIXME: are we handling timeout or large files correctly?
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res = 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(res.status)
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@Route.get(
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r"/projects/{project_id}/nodes/{node_id}/console/ws",
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parameters={
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"project_id": "Project UUID",
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"node_id": "Node UUID"
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},
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description="Connect to WebSocket console",
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status_codes={
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200: "File returned",
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403: "Permission denied",
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404: "The file doesn't exist"
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})
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async def ws_console(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"])
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compute = node.compute
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ws = aiohttp.web.WebSocketResponse()
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await ws.prepare(request)
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request.app['websockets'].add(ws)
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ws_console_compute_url = "ws://{compute_host}:{compute_port}/v2/compute/projects/{project_id}/{node_type}/nodes/{node_id}/console/ws".format(compute_host=compute.host,
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compute_port=compute.port,
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project_id=project.id,
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node_type=node.node_type,
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node_id=node.id)
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async def ws_forward(ws_client):
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async for msg in ws:
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if msg.type == aiohttp.WSMsgType.TEXT:
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await ws_client.send_str(msg.data)
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elif msg.type == aiohttp.WSMsgType.BINARY:
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await ws_client.send_bytes(msg.data)
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elif msg.type == aiohttp.WSMsgType.ERROR:
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break
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try:
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async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(limit=None, force_close=True)) as session:
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async with session.ws_connect(ws_console_compute_url) as ws_client:
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asyncio.ensure_future(ws_forward(ws_client))
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async for msg in ws_client:
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if msg.type == aiohttp.WSMsgType.TEXT:
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await ws.send_str(msg.data)
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elif msg.type == aiohttp.WSMsgType.BINARY:
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await ws.send_bytes(msg.data)
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elif msg.type == aiohttp.WSMsgType.ERROR:
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break
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except ConnectionResetError:
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log.info("Websocket console connection with compute disconnected")
|
|
finally:
|
|
if not ws.closed:
|
|
await ws.close()
|
|
request.app['websockets'].discard(ws)
|
|
|
|
return ws
|
|
|
|
@Route.post(
|
|
r"/projects/{project_id}/nodes/console/reset",
|
|
parameters={
|
|
"project_id": "Project UUID"
|
|
},
|
|
status_codes={
|
|
204: "All nodes successfully reset consoles",
|
|
400: "Invalid request",
|
|
404: "Instance doesn't exist"
|
|
},
|
|
description="Reset console for all nodes belonging to the project",
|
|
output=NODE_OBJECT_SCHEMA)
|
|
async def reset_console_all(request, response):
|
|
|
|
project = await Controller.instance().get_loaded_project(request.match_info["project_id"])
|
|
await project.reset_console_all()
|
|
response.set_status(204)
|
|
|
|
@Route.post(
|
|
r"/projects/{project_id}/nodes/{node_id}/console/reset",
|
|
parameters={
|
|
"project_id": "Project UUID",
|
|
"node_id": "Node UUID"
|
|
},
|
|
status_codes={
|
|
204: "Console reset",
|
|
400: "Invalid request",
|
|
404: "Instance doesn't exist"
|
|
},
|
|
description="Reload a node instance")
|
|
async def console_reset(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("/console/reset", request.json)
|
|
response.set_status(204)
|