mirror of
https://github.com/GNS3/gns3-server.git
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485 lines
19 KiB
Python
485 lines
19 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 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 os
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import sys
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import base64
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from ....web.route import Route
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from ....schemas.nio import NIO_SCHEMA
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from ....schemas.dynamips_vm import VM_CREATE_SCHEMA
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from ....schemas.dynamips_vm import VM_UPDATE_SCHEMA
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from ....schemas.dynamips_vm import VM_OBJECT_SCHEMA
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from ....schemas.dynamips_vm import VM_CONFIGS_SCHEMA
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from ....schemas.node import NODE_CAPTURE_SCHEMA
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from ....schemas.node import NODE_LIST_IMAGES_SCHEMA
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from ....compute.dynamips import Dynamips
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from ....compute.dynamips.dynamips_error import DynamipsError
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from ....compute.project_manager import ProjectManager
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DEFAULT_CHASSIS = {
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"c1700": "1720",
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"c2600": "2610",
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"c3600": "3640"
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}
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class DynamipsVMHandler:
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"""
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API entry points for Dynamips VMs.
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"""
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes",
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parameters={
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"project_id": "UUID for the project"
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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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409: "Conflict"
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},
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description="Create a new Dynamips VM instance",
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input=VM_CREATE_SCHEMA,
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output=VM_OBJECT_SCHEMA)
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def create(request, response):
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dynamips_manager = Dynamips.instance()
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platform = request.json.pop("platform")
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default_chassis = None
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if platform in DEFAULT_CHASSIS:
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default_chassis = DEFAULT_CHASSIS[platform]
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vm = yield from dynamips_manager.create_node(request.json.pop("name"),
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request.match_info["project_id"],
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request.json.get("node_id"),
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request.json.get("dynamips_id"),
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platform,
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console=request.json.get("console"),
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aux=request.json.get("aux"),
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chassis=request.json.pop("chassis", default_chassis))
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yield from dynamips_manager.update_vm_settings(vm, request.json)
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response.set_status(201)
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response.json(vm)
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@classmethod
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@Route.get(
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r"/projects/{project_id}/dynamips/nodes/{node_id}",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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status_codes={
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200: "Success",
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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 Dynamips VM instance",
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output=VM_OBJECT_SCHEMA)
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def show(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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response.json(vm)
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@classmethod
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@Route.put(
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r"/projects/{project_id}/dynamips/nodes/{node_id}",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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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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409: "Conflict"
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},
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description="Update a Dynamips VM instance",
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input=VM_UPDATE_SCHEMA,
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output=VM_OBJECT_SCHEMA)
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def update(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from dynamips_manager.update_vm_settings(vm, request.json)
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response.json(vm)
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@classmethod
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@Route.delete(
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r"/projects/{project_id}/dynamips/nodes/{node_id}",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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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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},
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description="Delete a Dynamips VM instance")
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def delete(request, response):
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# check the project_id exists
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ProjectManager.instance().get_project(request.match_info["project_id"])
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yield from Dynamips.instance().delete_node(request.match_info["node_id"])
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response.set_status(204)
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/start",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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status_codes={
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204: "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 Dynamips VM instance")
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def start(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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try:
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yield from dynamips_manager.ghost_ios_support(vm)
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except GeneratorExit:
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pass
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yield from vm.start()
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response.set_status(204)
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/stop",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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status_codes={
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204: "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 Dynamips VM instance")
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def stop(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.stop()
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response.set_status(204)
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/suspend",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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status_codes={
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204: "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 Dynamips VM instance")
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def suspend(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.suspend()
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response.set_status(204)
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/resume",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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},
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status_codes={
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204: "Instance resumed",
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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="Resume a suspended Dynamips VM instance")
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def resume(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.resume()
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response.set_status(204)
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@classmethod
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/reload",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance"
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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="Reload a Dynamips VM instance")
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def reload(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.reload()
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance",
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"adapter_number": "Adapter where the nio should be added",
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"port_number": "Port on the adapter"
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},
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status_codes={
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201: "NIO created",
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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="Add a NIO to a Dynamips VM instance",
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input=NIO_SCHEMA,
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output=NIO_SCHEMA)
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def create_nio(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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nio = yield from dynamips_manager.create_nio(vm, request.json)
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slot_number = int(request.match_info["adapter_number"])
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port_number = int(request.match_info["port_number"])
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yield from vm.slot_add_nio_binding(slot_number, port_number, nio)
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response.set_status(201)
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response.json(nio)
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@classmethod
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@Route.delete(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/nio",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance",
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"adapter_number": "Adapter from where the nio should be removed",
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"port_number": "Port on the adapter"
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},
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status_codes={
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204: "NIO deleted",
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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="Remove a NIO from a Dynamips VM instance")
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def delete_nio(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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slot_number = int(request.match_info["adapter_number"])
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port_number = int(request.match_info["port_number"])
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nio = yield from vm.slot_remove_nio_binding(slot_number, port_number)
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yield from nio.delete()
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response.set_status(204)
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/start_capture",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance",
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"adapter_number": "Adapter to start a packet capture",
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"port_number": "Port on the adapter"
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},
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status_codes={
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200: "Capture 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 packet capture on a Dynamips VM instance",
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input=NODE_CAPTURE_SCHEMA)
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def start_capture(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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slot_number = int(request.match_info["adapter_number"])
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port_number = int(request.match_info["port_number"])
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pcap_file_path = os.path.join(vm.project.capture_working_directory(), request.json["capture_file_name"])
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if sys.platform.startswith('win'):
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# FIXME: Dynamips (Cygwin actually) doesn't like non ascii paths on Windows
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try:
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pcap_file_path.encode('ascii')
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except UnicodeEncodeError:
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raise DynamipsError('The capture file path "{}" must only contain ASCII (English) characters'.format(pcap_file_path))
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yield from vm.start_capture(slot_number, port_number, pcap_file_path, request.json["data_link_type"])
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response.json({"pcap_file_path": pcap_file_path})
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/adapters/{adapter_number:\d+}/ports/{port_number:\d+}/stop_capture",
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parameters={
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"project_id": "UUID for the project",
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"node_id": "UUID for the instance",
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"adapter_number": "Adapter to stop a packet capture",
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"port_number": "Port on the adapter (always 0)"
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},
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status_codes={
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204: "Capture 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 packet capture on a Dynamips VM instance")
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def stop_capture(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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slot_number = int(request.match_info["adapter_number"])
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port_number = int(request.match_info["port_number"])
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yield from vm.stop_capture(slot_number, port_number)
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response.set_status(204)
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@Route.get(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/configs",
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status_codes={
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200: "Configs retrieved",
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400: "Invalid request",
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404: "Instance doesn't exist"
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},
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output=VM_CONFIGS_SCHEMA,
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description="Retrieve the startup and private configs content")
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def get_configs(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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startup_config_base64, private_config_base64 = yield from vm.extract_config()
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module_workdir = vm.project.module_working_directory(dynamips_manager.module_name.lower())
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result = {}
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if startup_config_base64:
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startup_config_content = base64.b64decode(startup_config_base64).decode("utf-8", errors='replace')
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result["startup_config_content"] = startup_config_content
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else:
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# nvram doesn't contain anything if the router has not been started at least once
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# in this case just use the startup-config file
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if vm.startup_config:
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startup_config_path = os.path.join(module_workdir, vm.startup_config)
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if os.path.isfile(startup_config_path):
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try:
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with open(startup_config_path, "rb") as f:
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content = f.read().decode("utf-8", errors='replace')
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if content:
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result["startup_config_content"] = content
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except OSError as e:
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raise DynamipsError("Could not read the startup-config {}: {}".format(startup_config_path, e))
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if private_config_base64:
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private_config_content = base64.b64decode(private_config_base64).decode("utf-8", errors='replace')
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result["private_config_content"] = private_config_content
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else:
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# nvram doesn't contain anything if the router has not been started at least once
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# in this case just use the private-config file
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if vm.private_config:
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private_config_path = os.path.join(module_workdir, vm.private_config)
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if os.path.isfile(private_config_path):
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try:
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with open(private_config_path, "rb") as f:
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content = f.read().decode("utf-8", errors='replace')
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if content:
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result["private_config_content"] = content
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except OSError as e:
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raise DynamipsError("Could not read the private-config {}: {}".format(private_config_path, e))
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response.set_status(200)
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response.json(result)
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@Route.post(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/configs/save",
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status_codes={
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200: "Configs saved",
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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="Save the startup and private configs content")
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def save_configs(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.save_configs()
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response.set_status(200)
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@Route.get(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/idlepc_proposals",
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status_codes={
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200: "Idle-PCs retrieved",
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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="Retrieve the idlepc proposals")
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def get_idlepcs(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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yield from vm.set_idlepc("0x0")
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idlepcs = yield from vm.get_idle_pc_prop()
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response.set_status(200)
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response.json(idlepcs)
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@Route.get(
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r"/projects/{project_id}/dynamips/nodes/{node_id}/auto_idlepc",
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status_codes={
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200: "Best Idle-pc value found",
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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="Retrieve the idlepc proposals")
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def get_auto_idlepc(request, response):
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dynamips_manager = Dynamips.instance()
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vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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idlepc = yield from dynamips_manager.auto_idlepc(vm)
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response.set_status(200)
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response.json({"idlepc": idlepc})
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@Route.get(
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r"/dynamips/nodes",
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status_codes={
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200: "List of Dynamips VM retrieved",
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},
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description="Retrieve the list of Dynamips VMS",
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output=NODE_LIST_IMAGES_SCHEMA)
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def list_vms(request, response):
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dynamips_manager = Dynamips.instance()
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vms = yield from dynamips_manager.list_images()
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response.set_status(200)
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response.json(vms)
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@Route.post(
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r"/dynamips/nodes/{path}",
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status_codes={
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204: "Image uploaded",
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},
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raw=True,
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description="Upload Dynamips image")
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def upload_image(request, response):
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dynamips_manager = Dynamips.instance()
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yield from dynamips_manager.write_image(request.match_info["path"], request.content)
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response.set_status(204)
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