From 02596968729574e72e89555d7812b4e966323a9c Mon Sep 17 00:00:00 2001 From: grossmj Date: Tue, 6 Oct 2020 16:42:50 +1030 Subject: [PATCH] Fix Hyper-V based GNS3 VM WMI issue. Fixes #1822 --- .../controller/gns3vm/hyperv_gns3_vm.py | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/gns3server/controller/gns3vm/hyperv_gns3_vm.py b/gns3server/controller/gns3vm/hyperv_gns3_vm.py index 2aeabc77..e756635c 100644 --- a/gns3server/controller/gns3vm/hyperv_gns3_vm.py +++ b/gns3server/controller/gns3vm/hyperv_gns3_vm.py @@ -223,6 +223,24 @@ class HyperVGNS3VM(BaseGNS3VM): elif ret != 0 or ret != 32775: raise GNS3VMError("Failed to change state to {}".format(state)) + async def _is_vm_network_active(self): + """ + Check if WMI is updated with VM virtual network adapters + and wait until their count becomes > 0 + ProtocolIFType Unknown (0) + Other (1) + IPv4 (4096) + IPv6 (4097) + IPv4/v6 (4098) + """ + + wql = "SELECT * FROM Msvm_GuestNetworkAdapterConfiguration WHERE InstanceID like \ + 'Microsoft:GuestNetwork\\" + self._vm.Name + "%' and ProtocolIFType > 0 " + nic_count = len(self._conn.query(wql)) + while nic_count == 0: + await asyncio.sleep(0.1) # 100ms + nic_count = len(self._conn.query(wql)) + async def start(self): """ Starts the GNS3 VM. @@ -244,6 +262,9 @@ class HyperVGNS3VM(BaseGNS3VM): raise GNS3VMError("Failed to start the GNS3 VM: {}".format(e)) log.info("GNS3 VM has been started") + # check if VM network is active + await self._is_vm_network_active() + # Get the guest IP address # LIS (Linux Integration Services) must be installed on the guest # See https://oitibs.com/hyper-v-lis-on-ubuntu-18-04/ for details.