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gns3-server/gns3server/compute/builtin/nodes/nat.py

58 lines
1.7 KiB

#!/usr/bin/env python
#
# Copyright (C) 2016 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/>.
import sys
from .cloud import Cloud
from ...error import NodeError
import gns3server.utils.interfaces
class Nat(Cloud):
"""
A portable and preconfigured node allowing topology to get a
nat access to the outside
"""
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if "virbr0" not in [interface["name"] for interface in gns3server.utils.interfaces.interfaces()]:
raise NodeError("virbr0 is missing. You need to install libvirt")
self.ports = [
{
"name": "virbr0",
"type": "ethernet",
"interface": "virbr0",
"port_number": 0
}
]
@classmethod
def is_supported(self):
return sys.platform.startswith("linux")
def __json__(self):
return {
"name": self.name,
"node_id": self.id,
"project_id": self.project.id,
"status": "started",
"ports_mapping": self.ports
}