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Warn users if the GNS3 VM and local server are not in the same subnet. Fixes #1231.

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This commit is contained in:
grossmj 2017-12-05 16:43:44 -06:00
parent 1699ce5d1c
commit cfe8e9e85c
1 changed files with 32 additions and 0 deletions
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32
gns3server/controller/gns3vm/__init__.py
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@ -19,6 +19,7 @@ import sys
import copy
import asyncio
import aiohttp
import ipaddress
from ...utils.asyncio import locked_coroutine
from .vmware_gns3_vm import VMwareGNS3VM
@ -296,6 +297,37 @@ class GNS3VM:
user=self.user,
password=self.password)
yield from self._check_network(compute)
@asyncio.coroutine
def _check_network(self, compute):
"""
Check that the VM is in the same subnet as the local server
"""
vm_interfaces = yield from compute.interfaces()
vm_interface_netmask = None
for interface in vm_interfaces:
if interface["ip_address"] == self.ip_address:
vm_interface_netmask = interface["netmask"]
break
if vm_interface_netmask:
vm_network = ipaddress.ip_interface("{}/{}".format(compute.host_ip, vm_interface_netmask)).network
for compute_id in self._controller.computes:
if compute_id == "local":
compute = self._controller.get_compute(compute_id)
interfaces = yield from compute.interfaces()
netmask = None
for interface in interfaces:
if interface["ip_address"] == compute.host_ip:
netmask = interface["netmask"]
break
if netmask:
compute_network = ipaddress.ip_interface("{}/{}".format(compute.host_ip, netmask)).network
if vm_network.compare_networks(compute_network) != 0:
msg = "The GNS3 VM ({}) is not on the same network as the {} server ({}), please make sure the local server binding is in the same network as the GNS3 VM".format(vm_network, compute_id, compute_network)
self._controller.notification.emit("log.warning", {"message": msg})
@locked_coroutine
def _suspend(self):
"""