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NIO NAT support for QEMU VMs (user mode back-end is used).

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This commit is contained in:
grossmj 2015-05-06 14:59:01 -06:00
parent 17b93e6a89
commit fcff2d0813
6 changed files with 82 additions and 21 deletions
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2
gns3server/handlers/api/qemu_handler.py
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@ -247,7 +247,7 @@ class QEMUHandler:
qemu_manager = Qemu.instance()
vm = qemu_manager.get_vm(request.match_info["vm_id"], project_id=request.match_info["project_id"])
nio_type = request.json["type"]
if nio_type not in ("nio_udp", "nio_tap"):
if nio_type not in ("nio_udp", "nio_tap", "nio_nat"):
raise HTTPConflict(text="NIO of type {} is not supported".format(nio_type))
nio = qemu_manager.create_nio(vm.qemu_path, request.json)
yield from vm.adapter_add_nio_binding(int(request.match_info["adapter_number"]), nio)

3
gns3server/modules/base_manager.py
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@ -34,6 +34,7 @@ from .project_manager import ProjectManager
from .nios.nio_udp import NIOUDP
from .nios.nio_tap import NIOTAP
from .nios.nio_nat import NIONAT
from .nios.nio_generic_ethernet import NIOGenericEthernet
@ -370,6 +371,8 @@ class BaseManager:
nio = NIOTAP(tap_device)
elif nio_settings["type"] == "nio_generic_ethernet":
nio = NIOGenericEthernet(nio_settings["ethernet_device"])
elif nio_settings["type"] == "nio_nat":
nio = NIONAT()
assert nio is not None
return nio

2
gns3server/modules/dynamips/__init__.py
View File

@ -410,6 +410,8 @@ class Dynamips(BaseManager):
nio = NIOVDE(node.hypervisor, control_file, local_file)
elif nio_settings["type"] == "nio_null":
nio = NIONull(node.hypervisor)
else:
raise aiohttp.web.HTTPConflict(text="NIO of type {} is not supported".format(nio_settings["type"]))
yield from nio.create()
return nio

41
gns3server/modules/nios/nio_nat.py Normal file
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@ -0,0 +1,41 @@
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013 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/>.
"""
Interface for NAT NIOs.
"""
from .nio import NIO
class NIONAT(NIO):
"""
NAT NIO.
"""
def __init__(self):
super().__init__()
def __str__(self):
return "NIO TAP"
def __json__(self):
return {"type": "nio_nat"}

38
gns3server/modules/qemu/qemu_vm.py
View File

@ -23,7 +23,6 @@ order to run a QEMU VM.
import sys
import os
import shutil
import random
import subprocess
import shlex
import asyncio
@ -33,6 +32,7 @@ from .qemu_error import QemuError
from ..adapters.ethernet_adapter import EthernetAdapter
from ..nios.nio_udp import NIOUDP
from ..nios.nio_tap import NIOTAP
from ..nios.nio_nat import NIONAT
from ..base_vm import BaseVM
from ...schemas.qemu import QEMU_OBJECT_SCHEMA
@ -984,40 +984,44 @@ class QemuVM(BaseVM):
def _network_options(self):
network_options = []
adapter_number = 0
for adapter in self._ethernet_adapters:
network_options.extend(["-net", "none"]) # we do not want any user networking back-end if no adapter is connected.
for adapter_number, adapter in enumerate(self._ethernet_adapters):
# TODO: let users specify a base mac address
mac = "00:00:ab:%s:%s:%02x" % (self.id[-4:-2], self.id[-2:], adapter_number)
if self._legacy_networking:
network_options.extend(["-net", "nic,vlan={},macaddr={},model={}".format(adapter_number, mac, self._adapter_type)])
else:
network_options.extend(["-device", "{},mac={},netdev=gns3-{}".format(self._adapter_type, mac, adapter_number)])
nio = adapter.get_nio(0)
if nio:
if isinstance(nio, NIOUDP):
if self._legacy_networking:
# legacy QEMU networking syntax (-net)
if nio:
network_options.extend(["-net", "nic,vlan={},macaddr={},model={}".format(adapter_number, mac, self._adapter_type)])
if isinstance(nio, NIOUDP):
network_options.extend(["-net", "udp,vlan={},name=gns3-{},sport={},dport={},daddr={}".format(adapter_number,
adapter_number,
nio.lport,
nio.rport,
nio.rhost)])
elif isinstance(nio, NIOTAP):
network_options.extend(["-net", "tap,name=gns3-{},ifname={}".format(adapter_number, nio.tap_device)])
elif isinstance(nio, NIONAT):
network_options.extend(["-net", "user,vlan={},name=gns3-{}".format(adapter_number, adapter_number)])
else:
network_options.extend(["-net", "nic,vlan={},macaddr={},model={}".format(adapter_number, mac, self._adapter_type)])
else:
# newer QEMU networking syntax
if nio:
network_options.extend(["-device", "{},mac={},netdev=gns3-{}".format(self._adapter_type, mac, adapter_number)])
if isinstance(nio, NIOUDP):
network_options.extend(["-netdev", "socket,id=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_number,
nio.rhost,
nio.rport,
self._host,
nio.lport)])
elif isinstance(nio, NIOTAP):
if self._legacy_networking:
network_options.extend(["-net", "tap,name=gns3-{},ifname={}".format(adapter_number, nio.tap_device)])
else:
network_options.extend(["-netdev", "tap,id=gns3-{},ifname={}".format(adapter_number, nio.tap_device)])
else:
if self._legacy_networking:
network_options.extend(["-net", "user,vlan={},name=gns3-{}".format(adapter_number, adapter_number)])
else:
elif isinstance(nio, NIONAT):
network_options.extend(["-netdev", "user,id=gns3-{}".format(adapter_number)])
adapter_number += 1
else:
network_options.extend(["-device", "{},mac={}".format(self._adapter_type, mac)])
return network_options

11
gns3server/schemas/nio.py
View File

@ -78,6 +78,16 @@ NIO_SCHEMA = {
"required": ["type", "ethernet_device"],
"additionalProperties": False
},
"NAT": {
"description": "NAT Network Input/Output",
"properties": {
"type": {
"enum": ["nio_nat"]
},
},
"required": ["type"],
"additionalProperties": False
},
"TAP": {
"description": "TAP Network Input/Output",
"properties": {
@ -148,6 +158,7 @@ NIO_SCHEMA = {
{"$ref": "#/definitions/UDP"},
{"$ref": "#/definitions/Ethernet"},
{"$ref": "#/definitions/LinuxEthernet"},
{"$ref": "#/definitions/NAT"},
{"$ref": "#/definitions/TAP"},
{"$ref": "#/definitions/UNIX"},
{"$ref": "#/definitions/VDE"},