gns3-server/gns3server/compute/iou/__init__.py
grossmj c5412bf970 Allocate application IDs for IOU nodes on the controller.
An application ID is used by IOU to generate its interface Mac addresses. They must be unique across all opened projects sharing the same computes to avoid Mac address collisions.
2020-02-10 15:20:49 +08:00

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1.7 KiB
Python

# -*- 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/>.
"""
IOU server module.
"""
import os
import asyncio
from ..base_manager import BaseManager
from .iou_error import IOUError
from .iou_vm import IOUVM
import logging
log = logging.getLogger(__name__)
class IOU(BaseManager):
_NODE_CLASS = IOUVM
_NODE_TYPE = "iou"
def __init__(self):
super().__init__()
self._iou_id_lock = asyncio.Lock()
async def create_node(self, *args, **kwargs):
"""
Creates a new IOU VM.
:returns: IOUVM instance
"""
node = await super().create_node(*args, **kwargs)
return node
@staticmethod
def get_legacy_vm_workdir(legacy_vm_id, name):
"""
Returns the name of the legacy working directory (pre 1.3) name for a node.
:param legacy_vm_id: legacy node identifier (integer)
:param name: Node name (not used)
:returns: working directory name
"""
return os.path.join("iou", "device-{}".format(legacy_vm_id))