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Dynamically configure network connections of running QEMU VMs

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This commit is contained in:
Dmitry Shmygov 2014-12-29 01:43:56 +03:00
parent 9cedb1cc99
commit c775b05d33
1 changed files with 33 additions and 5 deletions
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38
gns3server/modules/qemu/qemu_vm.py
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@ -984,6 +984,24 @@ class QemuVM(object):
raise QemuError("Adapter {adapter_id} doesn't exist on QEMU VM {name}".format(name=self._name,
adapter_id=adapter_id))
if self.is_running():
# dynamically configure an UDP tunnel on the QEMU VM adapter
if nio and isinstance(nio, NIO_UDP):
if self._legacy_networking:
self._control_vm("host_net_remove {} dev.{}".format(adapter_id, adapter_id))
self._control_vm("host_net_add udp vlan={},name=dev.{},sport={},dport={},daddr={}".format(adapter_id,
adapter_id,
nio.lport,
nio.rport,
nio.rhost))
else:
self._control_vm("netdev_del gns3-{}".format(adapter_id))
self._control_vm("netdev_add socket,id=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
nio.rhost,
nio.rport,
self._host,
nio.lport))
adapter.add_nio(0, nio)
log.info("QEMU VM {name} [id={id}]: {nio} added to adapter {adapter_id}".format(name=self._name,
id=self._id,
@ -1005,6 +1023,15 @@ class QemuVM(object):
raise QemuError("Adapter {adapter_id} doesn't exist on QEMU VM {name}".format(name=self._name,
adapter_id=adapter_id))
if self.is_running():
# dynamically disable the QEMU VM adapter
if self._legacy_networking:
self._control_vm("host_net_remove {} dev.{}".format(adapter_id, adapter_id))
self._control_vm("host_net_add user vlan={},name=dev.{}".format(adapter_id, adapter_id))
else:
self._control_vm("netdev_del gns3-{}".format(adapter_id))
self._control_vm("netdev_add user,id=gns3-{}".format(adapter_id))
nio = adapter.get_nio(0)
adapter.remove_nio(0)
log.info("QEMU VM {name} [id={id}]: {nio} removed from adapter {adapter_id}".format(name=self._name,
@ -1166,10 +1193,11 @@ class QemuVM(object):
nio = adapter.get_nio(0)
if nio and isinstance(nio, NIO_UDP):
if self._legacy_networking:
network_options.extend(["-net", "udp,vlan={},sport={},dport={},daddr={}".format(adapter_id,
nio.lport,
nio.rport,
nio.rhost)])
network_options.extend(["-net", "udp,vlan={},name=dev.{},sport={},dport={},daddr={}".format(adapter_id,
adapter_id,
nio.lport,
nio.rport,
nio.rhost)])
else:
network_options.extend(["-netdev", "socket,id=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
@ -1179,7 +1207,7 @@ class QemuVM(object):
nio.lport)])
else:
if self._legacy_networking:
network_options.extend(["-net", "user,vlan={}".format(adapter_id)])
network_options.extend(["-net", "user,vlan={},name=dev.{}".format(adapter_id, adapter_id)])
else:
network_options.extend(["-netdev", "user,id=gns3-{}".format(adapter_id)])
adapter_id += 1