def test_vlan_exists(self):
attr = self.generate_device_details()
ip = ip_lib.IPWrapper(namespace=attr.namespace)
ip.netns.add(attr.namespace)
self.addCleanup(ip.netns.delete, attr.namespace)
priv_ip_lib.create_interface(attr.name, attr.namespace, 'dummy')
self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
device = ip.add_vlan('vlan1999', attr.name, 1999)
self.assertTrue(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
device.link.delete()
self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
def test_vlan_exists(self):
attr = self.generate_device_details()
ip = ip_lib.IPWrapper(namespace=attr.namespace)
ip.netns.add(attr.namespace)
self.addCleanup(ip.netns.delete, attr.namespace)
priv_ip_lib.create_interface(attr.name, attr.namespace, 'dummy')
self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
device = ip.add_vlan('vlan1999', attr.name, 1999)
self.assertTrue(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
device.link.delete()
self.assertFalse(ip_lib.vlan_in_use(1999, namespace=attr.namespace))
def ensure_vlan(self, physical_interface, vlan_id):
"""Create a vlan unless it already exists."""
interface = self.get_subinterface_name(physical_interface, vlan_id)
if not ip_lib.device_exists(interface):
LOG.debug(
"Creating subinterface %(interface)s for "
"VLAN %(vlan_id)s on interface "
"%(physical_interface)s", {
'interface': interface,
'vlan_id': vlan_id,
'physical_interface': physical_interface
})
try:
int_vlan = self.ip.add_vlan(interface, physical_interface,
vlan_id)
except RuntimeError:
with excutils.save_and_reraise_exception() as ctxt:
if ip_lib.vlan_in_use(vlan_id):
ctxt.reraise = False
LOG.error(
_LE("Unable to create VLAN interface for "
"VLAN ID %s because it is in use by "
"another interface."), vlan_id)
return
int_vlan.disable_ipv6()
int_vlan.link.set_up()
LOG.debug("Done creating subinterface %s", interface)
return interface
def ensure_vlan(self, physical_interface, vlan_id):
"""Create a vlan unless it already exists."""
interface = self.get_subinterface_name(physical_interface, vlan_id)
if not ip_lib.device_exists(interface):
LOG.debug(
"Creating subinterface %(interface)s for " "VLAN %(vlan_id)s on interface " "%(physical_interface)s",
{"interface": interface, "vlan_id": vlan_id, "physical_interface": physical_interface},
)
try:
int_vlan = self.ip.add_vlan(interface, physical_interface, vlan_id)
except RuntimeError:
with excutils.save_and_reraise_exception() as ctxt:
if ip_lib.vlan_in_use(vlan_id):
ctxt.reraise = False
LOG.error(
_LE(
"Unable to create VLAN interface for "
"VLAN ID %s because it is in use by "
"another interface."
),
vlan_id,
)
return
int_vlan.disable_ipv6()
int_vlan.link.set_up()
LOG.debug("Done creating subinterface %s", interface)
return interface
