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Code Issues Releases Wiki Activity

Use tap adapter instead of veth for docker (allow usage of vlan)

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Ref #716
This commit is contained in:
Julien Duponchelle 2016-10-24 12:35:50 +02:00
parent 00fc2fa007
commit ac1eef256f
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GPG Key ID: CE8B29639E07F5E8
2 changed files with 17 additions and 23 deletions
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28
gns3server/compute/docker/docker_vm.py
View File

@ -639,35 +639,34 @@ class DockerVM(BaseNode):
for index in range(4096):
if "veth-gns3-e{}".format(index) not in psutil.net_if_addrs():
adapter.ifc = "eth{}".format(str(index))
adapter.host_ifc = "veth-gns3-e{}".format(str(index))
adapter.guest_ifc = "veth-gns3-i{}".format(str(index))
adapter.host_ifc = "tap-gns3-e{}".format(str(index))
break
if not hasattr(adapter, "ifc"):
raise DockerError("Adapter {adapter_number} couldn't allocate interface on Docker container '{name}'. Too many Docker interfaces already exists".format(name=self.name,
adapter_number=adapter_number))
yield from self._ubridge_send('docker create_veth {hostif} {guestif}'.format(guestif=adapter.guest_ifc, hostif=adapter.host_ifc))
log.debug("Move container %s adapter %s to namespace %s", self.name, adapter.guest_ifc, namespace)
yield from self._ubridge_send('bridge create bridge{}'.format(adapter_number))
yield from self._ubridge_send('bridge add_nio_tap bridge{adapter_number} {hostif}'.format(adapter_number=adapter_number,
hostif=adapter.host_ifc))
log.debug("Move container %s adapter %s to namespace %s", self.name, adapter.host_ifc, namespace)
try:
yield from self._ubridge_send('docker move_to_ns {ifc} {ns} eth{adapter}'.format(ifc=adapter.guest_ifc,
yield from self._ubridge_send('docker move_to_ns {ifc} {ns} eth{adapter}'.format(ifc=adapter.host_ifc,
ns=namespace,
adapter=adapter_number))
except UbridgeError as e:
raise UbridgeNamespaceError(e)
if isinstance(nio, NIOUDP):
yield from self._ubridge_send('bridge create bridge{}'.format(adapter_number))
yield from self._ubridge_send('bridge add_nio_linux_raw bridge{adapter} {ifc}'.format(ifc=adapter.host_ifc, adapter=adapter_number))
yield from self._ubridge_send('bridge add_nio_udp bridge{adapter} {lport} {rhost} {rport}'.format(adapter=adapter_number,
lport=nio.lport,
rhost=nio.rhost,
rport=nio.rport))
if nio.capturing:
yield from self._ubridge_send('bridge start_capture bridge{adapter} "{pcap_file}"'.format(adapter=adapter_number,
pcap_file=nio.pcap_output_file))
if nio and nio.capturing:
yield from self._ubridge_send('bridge start_capture bridge{adapter} "{pcap_file}"'.format(adapter=adapter_number,
pcap_file=nio.pcap_output_file))
if nio:
yield from self._ubridge_send('bridge start bridge{adapter}'.format(adapter=adapter_number))
def _delete_ubridge_connection(self, adapter_number):
@ -678,15 +677,10 @@ class DockerVM(BaseNode):
if not self.ubridge:
return
adapter = self._ethernet_adapters[adapter_number]
try:
yield from self._ubridge_send("bridge delete bridge{name}".format(name=adapter_number))
except UbridgeError as e:
log.debug(str(e))
try:
yield from self._ubridge_send('docker delete_veth {hostif}'.format(hostif=adapter.host_ifc))
except UbridgeError as e:
log.debug(str(e))
@asyncio.coroutine
def _get_namespace(self):

12
tests/compute/docker/test_docker_vm.py
View File

@ -693,10 +693,9 @@ def test_add_ubridge_connection(loop, vm):
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0, 42)))
calls = [
call.send("docker create_veth veth-gns3-e0 veth-gns3-i0"),
call.send('docker move_to_ns veth-gns3-i0 42 eth0'),
call.send('bridge create bridge0'),
call.send('bridge add_nio_linux_raw bridge0 veth-gns3-e0'),
call.send("bridge add_nio_tap bridge0 tap-gns3-e0"),
call.send('docker move_to_ns tap-gns3-e0 42 eth0'),
call.send('bridge add_nio_udp bridge0 4242 127.0.0.1 4343'),
call.send('bridge start_capture bridge0 "/tmp/capture.pcap"'),
call.send('bridge start bridge0')
@ -713,8 +712,10 @@ def test_add_ubridge_connection_none_nio(loop, vm):
loop.run_until_complete(asyncio.async(vm._add_ubridge_connection(nio, 0, 42)))
calls = [
call.send("docker create_veth veth-gns3-e0 veth-gns3-i0"),
call.send('docker move_to_ns veth-gns3-i0 42 eth0'),
call.send('bridge create bridge0'),
call.send("bridge add_nio_tap bridge0 tap-gns3-e0"),
call.send('docker move_to_ns tap-gns3-e0 42 eth0'),
]
# We need to check any_order ortherwise mock is confused by asyncio
vm._ubridge_hypervisor.assert_has_calls(calls, any_order=True)
@ -761,7 +762,6 @@ def test_delete_ubridge_connection(loop, vm):
calls = [
call.send("bridge delete bridge0"),
call.send('docker delete_veth veth-gns3-e0')
]
vm._ubridge_hypervisor.assert_has_calls(calls, any_order=True)