mirror of
https://github.com/GNS3/gns3-server.git
synced 2024-11-17 09:14:52 +02:00
76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
#!/usr/bin/env python
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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 sys
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import asyncio
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from .cloud import Cloud
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from ...error import NodeError
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import gns3server.utils.interfaces
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class Nat(Cloud):
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"""
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A portable and preconfigured node allowing topology to get a
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nat access to the outside
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"""
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_nat_id = 0
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def __init__(self, *args, **kwargs):
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if "virbr0" not in [interface["name"] for interface in gns3server.utils.interfaces.interfaces()]:
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raise NodeError("virbr0 is missing. You need to install libvirt")
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self._interface = "gns3nat{}".format(Nat._nat_id)
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Nat._nat_id += 1
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ports = [
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{
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"name": "nat0",
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"type": "tap",
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"interface": self._interface,
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"port_number": 0
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}
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]
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super().__init__(*args, ports=ports)
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@property
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def ports_mapping(self):
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return self._ports_mapping
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@ports_mapping.setter
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def ports_mapping(self, ports):
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# It's not allowed to change it
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pass
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@asyncio.coroutine
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def add_nio(self, nio, port_number):
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yield from super().add_nio(nio, port_number)
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yield from self._ubridge_send('brctl addif virbr0 "{interface}"'.format(interface=self._interface))
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@classmethod
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def is_supported(self):
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return sys.platform.startswith("linux")
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def __json__(self):
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return {
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"name": self.name,
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"node_id": self.id,
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"project_id": self.project.id,
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"status": "started",
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"ports_mapping": self.ports_mapping
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}
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