def setUp(self):
self._tap0 = Tap()
self._tap1 = Tap()
self._tap2 = Tap()
self._bridge0 = Bridge('src-')
self._bridge1 = Bridge('target-')
self._bridge2 = Bridge('target2-')
self._devices = [
self._tap0, self._tap1, self._tap2, self._bridge0, self._bridge1,
self._bridge2
]
# If setUp raise, teardown is not called, so we should either succeed,
# or fail without leaving junk around.
cleanup = []
try:
for iface in self._devices:
iface.addDevice()
cleanup.append(iface)
self._bridge0.addIf(self._tap0.devName)
self._bridge1.addIf(self._tap1.devName)
self._bridge2.addIf(self._tap2.devName)
except:
t, v, tb = sys.exc_info()
for iface in cleanup:
try:
iface.delDevice()
except Exception:
self.log.exception("Error removing device %s" % iface)
six.reraise(t, v, tb)
