gns3-server/gns3server/handlers/api/compute/dynamips_vm_handler.py

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# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 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/>.
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import os
import sys
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import base64
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from gns3server.web.route import Route
from gns3server.schemas.nio import NIO_SCHEMA
from gns3server.compute.dynamips import Dynamips
from gns3server.compute.dynamips.dynamips_error import DynamipsError
from gns3server.compute.project_manager import ProjectManager
from gns3server.schemas.node import (
NODE_CAPTURE_SCHEMA,
NODE_LIST_IMAGES_SCHEMA,
)
from gns3server.schemas.dynamips_vm import (
VM_CREATE_SCHEMA,
VM_UPDATE_SCHEMA,
VM_OBJECT_SCHEMA,
VM_CONFIGS_SCHEMA
)
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DEFAULT_CHASSIS = {
"c1700": "1720",
"c2600": "2610",
"c3600": "3640"
}
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class DynamipsVMHandler:
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"""
API entry points for Dynamips VMs.
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"""
@Route.post(
r"/projects/{project_id}/dynamips/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",
409: "Conflict"
},
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description="Create a new Dynamips VM instance",
input=VM_CREATE_SCHEMA,
output=VM_OBJECT_SCHEMA)
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def create(request, response):
dynamips_manager = Dynamips.instance()
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platform = request.json.pop("platform")
default_chassis = None
if platform in DEFAULT_CHASSIS:
default_chassis = DEFAULT_CHASSIS[platform]
vm = yield from dynamips_manager.create_node(request.json.pop("name"),
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request.match_info["project_id"],
request.json.get("node_id"),
request.json.get("dynamips_id"),
platform,
console=request.json.get("console"),
aux=request.json.get("aux"),
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)
response.json(vm)
@Route.get(
r"/projects/{project_id}/dynamips/nodes/{node_id}",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
200: "Success",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Get a Dynamips VM instance",
output=VM_OBJECT_SCHEMA)
def show(request, response):
dynamips_manager = Dynamips.instance()
vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
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response.json(vm)
@Route.put(
r"/projects/{project_id}/dynamips/nodes/{node_id}",
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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 updated",
400: "Invalid request",
404: "Instance doesn't exist",
409: "Conflict"
},
description="Update a Dynamips VM instance",
input=VM_UPDATE_SCHEMA,
output=VM_OBJECT_SCHEMA)
def update(request, response):
dynamips_manager = Dynamips.instance()
vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
yield from dynamips_manager.update_vm_settings(vm, request.json)
vm.updated()
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response.json(vm)
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@Route.delete(
r"/projects/{project_id}/dynamips/nodes/{node_id}",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
204: "Instance deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Delete a Dynamips VM instance")
def delete(request, response):
# check the project_id exists
ProjectManager.instance().get_project(request.match_info["project_id"])
yield from Dynamips.instance().delete_node(request.match_info["node_id"])
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response.set_status(204)
@Route.post(
r"/projects/{project_id}/dynamips/nodes/{node_id}/start",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
204: "Instance started",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start a Dynamips VM instance")
def start(request, response):
dynamips_manager = Dynamips.instance()
vm = dynamips_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
try:
yield from dynamips_manager.ghost_ios_support(vm)
except GeneratorExit:
pass
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yield from vm.start()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/dynamips/nodes/{node_id}/stop",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
204: "Instance stopped",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Stop a Dynamips VM instance")
def stop(request, response):
dynamips_manager = Dynamips.instance()
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()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/dynamips/nodes/{node_id}/suspend",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
204: "Instance suspended",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Suspend a Dynamips VM instance")
def suspend(request, response):
dynamips_manager = Dynamips.instance()
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()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/dynamips/nodes/{node_id}/resume",
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parameters={
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"project_id": "Project UUID",
"node_id": "Node UUID"
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},
status_codes={
204: "Instance resumed",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Resume a suspended Dynamips VM instance")
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def resume(request, response):
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dynamips_manager = Dynamips.instance()
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()
response.set_status(204)
@Route.post(
r"/projects/{project_id}/dynamips/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={
204: "Instance reloaded",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Reload a Dynamips VM instance")
def reload(request, response):
dynamips_manager = Dynamips.instance()
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()
response.set_status(204)
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@Route.post(
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": "Project UUID",
"node_id": "Node UUID",
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"adapter_number": "Adapter where the nio should be added",
"port_number": "Port on the adapter"
},
status_codes={
201: "NIO created",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Add a NIO to a Dynamips VM instance",
input=NIO_SCHEMA,
output=NIO_SCHEMA)
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def create_nio(request, response):
dynamips_manager = Dynamips.instance()
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)
slot_number = int(request.match_info["adapter_number"])
port_number = int(request.match_info["port_number"])
yield from vm.slot_add_nio_binding(slot_number, port_number, nio)
response.set_status(201)
response.json(nio)
@Route.delete(
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": "Project UUID",
"node_id": "Node UUID",
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"adapter_number": "Adapter from where the nio should be removed",
"port_number": "Port on the adapter"
},
status_codes={
204: "NIO deleted",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Remove a NIO from a Dynamips VM instance")
def delete_nio(request, response):
dynamips_manager = Dynamips.instance()
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"])
port_number = int(request.match_info["port_number"])
nio = yield from vm.slot_remove_nio_binding(slot_number, port_number)
yield from nio.delete()
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response.set_status(204)
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@Route.post(
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": "Project UUID",
"node_id": "Node UUID",
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"adapter_number": "Adapter to start a packet capture",
"port_number": "Port on the adapter"
},
status_codes={
200: "Capture started",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Start a packet capture on a Dynamips VM instance",
input=NODE_CAPTURE_SCHEMA)
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def start_capture(request, response):
dynamips_manager = Dynamips.instance()
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"])
port_number = int(request.match_info["port_number"])
pcap_file_path = os.path.join(vm.project.capture_working_directory(), request.json["capture_file_name"])
if sys.platform.startswith('win'):
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# FIXME: Dynamips (Cygwin actually) doesn't like non ascii paths on Windows
try:
pcap_file_path.encode('ascii')
except UnicodeEncodeError:
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"])
response.json({"pcap_file_path": pcap_file_path})
@Route.post(
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": "Project UUID",
"node_id": "Node UUID",
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"adapter_number": "Adapter to stop a packet capture",
"port_number": "Port on the adapter (always 0)"
},
status_codes={
204: "Capture stopped",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Stop a packet capture on a Dynamips VM instance")
def stop_capture(request, response):
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dynamips_manager = Dynamips.instance()
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"])
port_number = int(request.match_info["port_number"])
yield from vm.stop_capture(slot_number, port_number)
response.set_status(204)
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@Route.get(
r"/projects/{project_id}/dynamips/nodes/{node_id}/configs",
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parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
},
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status_codes={
200: "Configs retrieved",
400: "Invalid request",
404: "Instance doesn't exist"
},
output=VM_CONFIGS_SCHEMA,
description="Retrieve the startup and private configs content")
def get_configs(request, response):
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dynamips_manager = Dynamips.instance()
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()
module_workdir = vm.project.module_working_directory(dynamips_manager.module_name.lower())
result = {}
if startup_config_base64:
startup_config_content = base64.b64decode(startup_config_base64).decode("utf-8", errors='replace')
result["startup_config_content"] = startup_config_content
else:
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# The NVRAM doesn't contain anything if the router has not been started at least once
# in this case just use the startup-config file
if vm.startup_config:
startup_config_path = os.path.join(module_workdir, vm.startup_config)
if os.path.isfile(startup_config_path):
try:
with open(startup_config_path, "rb") as f:
content = f.read().decode("utf-8", errors='replace')
if content:
result["startup_config_content"] = content
except OSError as e:
raise DynamipsError("Could not read the startup-config {}: {}".format(startup_config_path, e))
if private_config_base64:
private_config_content = base64.b64decode(private_config_base64).decode("utf-8", errors='replace')
result["private_config_content"] = private_config_content
else:
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# The NVRAM doesn't contain anything if the router has not been started at least once
# in this case just use the private-config file
if vm.private_config:
private_config_path = os.path.join(module_workdir, vm.private_config)
if os.path.isfile(private_config_path):
try:
with open(private_config_path, "rb") as f:
content = f.read().decode("utf-8", errors='replace')
if content:
result["private_config_content"] = content
except OSError as e:
raise DynamipsError("Could not read the private-config {}: {}".format(private_config_path, e))
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response.set_status(200)
response.json(result)
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@Route.get(
r"/projects/{project_id}/dynamips/nodes/{node_id}/idlepc_proposals",
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parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
},
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status_codes={
200: "Idle-PCs retrieved",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Retrieve the idlepc proposals")
def get_idlepcs(request, response):
dynamips_manager = Dynamips.instance()
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")
idlepcs = yield from vm.get_idle_pc_prop()
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response.set_status(200)
response.json(idlepcs)
@Route.get(
r"/projects/{project_id}/dynamips/nodes/{node_id}/auto_idlepc",
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parameters={
"project_id": "Project UUID",
"node_id": "Node UUID",
},
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status_codes={
200: "Best Idle-pc value found",
400: "Invalid request",
404: "Instance doesn't exist"
},
description="Retrieve the idlepc proposals")
def get_auto_idlepc(request, response):
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dynamips_manager = Dynamips.instance()
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})
@Route.get(
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r"/dynamips/images",
status_codes={
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200: "List of Dynamips IOS images",
},
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description="Retrieve the list of Dynamips IOS images",
output=NODE_LIST_IMAGES_SCHEMA)
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def list_images(request, response):
dynamips_manager = Dynamips.instance()
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images = yield from dynamips_manager.list_images()
response.set_status(200)
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response.json(images)
@Route.post(
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r"/dynamips/images/{filename:.+}",
parameters={
"filename": "Image filename"
},
status_codes={
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204: "Upload a Dynamips IOS image",
},
raw=True,
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description="Upload a Dynamips IOS image")
def upload_image(request, response):
dynamips_manager = Dynamips.instance()
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yield from dynamips_manager.write_image(request.match_info["filename"], request.content)
response.set_status(204)