def _create_libvirt_network_iface(self, iface_xml):
conn = LibvirtConnection("qemu:///system").get()
# Only one active transaction is allowed in the system level.
# It implies that we can use changeBegin() as a synchronized point.
conn.changeBegin()
try:
iface = conn.interfaceDefineXML(iface_xml)
self._rollback_timer = Timer(
self._confirm_timout, self._rollback_on_failure, args=[iface])
if iface.isActive():
iface.destroy()
iface.create()
self._rollback_timer.start()
except Exception as e:
self._rollback_on_failure(iface)
raise OperationFailed('GINNET0004E', {'err': e.message})
def _create_libvirt_network_iface(self, iface_xml):
conn = LibvirtConnection("qemu:///system").get()
# Only one active transaction is allowed in the system level.
# It implies that we can use changeBegin() as a synchronized point.
conn.changeBegin()
try:
iface = conn.interfaceDefineXML(iface_xml)
self._rollback_timer = Timer(self._confirm_timout,
self._rollback_on_failure,
args=[iface])
if iface.isActive():
iface.destroy()
iface.create()
self._rollback_timer.start()
except Exception as e:
self._rollback_on_failure(iface)
raise OperationFailed('GINNET0004E', {'err': e.message})
def _save_gateway_changes(self, old_iface, old_gateway):
def save_config(conn, iface, gateway=None):
n = IPv4Network(get_dev_netaddr(iface))
net_params = {'ipaddr': str(n.ip), 'netmask': str(n.netmask)}
if gateway:
net_params['gateway'] = gateway
iface_xml = InterfaceModel()._create_iface_xml(iface, net_params)
iface = conn.interfaceDefineXML(iface_xml)
route = self._get_default_route_entry()
gateway = route.gateway
new_iface = route.dev
conn = LibvirtConnection("qemu:///system").get()
conn.changeBegin()
save_config(conn, new_iface, gateway)
if old_iface and new_iface != old_iface:
save_config(conn, old_iface)
self._rollback_timer = Timer(self._confirm_timeout,
self._rollback_on_failure,
args=[old_gateway])
self._rollback_timer.start()
def _save_gateway_changes(self, old_iface, old_gateway):
def save_config(conn, iface, gateway=None):
n = IPv4Network(get_dev_netaddr(iface))
net_params = {'ipaddr': str(n.ip), 'netmask': str(n.netmask)}
if gateway:
net_params['gateway'] = gateway
iface_xml = InterfaceModel()._create_iface_xml(iface,
net_params)
iface = conn.interfaceDefineXML(iface_xml)
route = self._get_default_route_entry()
gateway = route.gateway
new_iface = route.dev
conn = LibvirtConnection("qemu:///system").get()
conn.changeBegin()
save_config(conn, new_iface, gateway)
if old_iface and new_iface != old_iface:
save_config(conn, old_iface)
self._rollback_timer = Timer(
self._confirm_timeout, self._rollback_on_failure,
args=[old_gateway])
self._rollback_timer.start()
