def veth_pair(prefix='veth_', max_length=15):
"""
Yield a pair of veth devices. This assumes root privileges (currently
required by all tests anyway).
Both sides of the pair have a pseudo-random suffix (e.g. veth_m6Lz7uMK9c).
"""
left_side = random_iface_name(prefix, max_length)
right_side = random_iface_name(prefix, max_length)
try:
linkAdd(left_side, linkType='veth', args=('peer', 'name', right_side))
if nmstate.is_nmstate_backend():
cmd.exec_sync(['nmcli', 'dev', 'set', left_side, 'managed', 'yes'])
cmd.exec_sync(
['nmcli', 'dev', 'set', right_side, 'managed', 'yes'])
except IPRoute2Error as e:
pytest.skip('Failed to create a veth pair: %s', e)
try:
yield left_side, right_side
finally:
# the peer device is removed by the kernel
linkDel(left_side)
if nmstate.is_nmstate_backend():
cmd.exec_sync(['nmcli', 'con', 'del', left_side])
cmd.exec_sync(['nmcli', 'con', 'del', right_side])
def addDevice(self):
linkAdd(
self.devName,
'vlan',
link=self.backing_device_name,
args=['id', str(self.tag)],
)
self.up()
def create(self):
try:
linkAdd(self.devName, linkType='dummy')
except IPRoute2Error as e:
raise SkipTest('Failed to create a dummy interface %s: %s' %
(self.devName, e))
else:
return self.devName
def create(self):
try:
linkAdd(self.devName, linkType='dummy')
except IPRoute2Error as e:
raise SkipTest('Failed to create a dummy interface %s: %s' %
(self.devName, e))
else:
return self.devName
def create(self):
linkAdd(
self.dev_name,
'vlan',
link=self.backing_device_name,
args=['id', str(self.tag)],
)
self.up()
self.set_managed()
def create(self):
linkAdd(
self.left_side.dev_name,
linkType='veth',
args=('peer', 'name', self.right_side.dev_name),
)
self.left_side.set_managed()
self.right_side.set_managed()
self.left_side.up()
self.right_side.up()
def create(self):
try:
linkAdd(self.dev_name, linkType='dummy')
self.set_managed()
self.up()
except IPRoute2Error as e:
pytest.skip(
f'Failed to create a dummy interface {self.dev_name}: {e}')
else:
return self.dev_name
def create(self):
try:
linkAdd(self.devName, linkType='dummy')
cmd.exec_sync(
['nmcli', 'dev', 'set', self.devName, 'managed', 'yes'])
except IPRoute2Error as e:
pytest.skip('Failed to create a dummy interface %s: %s' %
(self.devName, e))
else:
return self.devName
def vlan(name, link, vlan_id):
ipwrapper.linkAdd(name, 'vlan', link=link, args=['id', str(vlan_id)])
try:
yield
finally:
try:
ipwrapper.linkDel(name)
except ipwrapper.IPRoute2Error:
# faultyGetLinks is expected to have already removed the vlan
# device.
pass
def create(self):
try:
linkAdd(self.devName, linkType='dummy')
if nmstate.is_nmstate_backend():
cmd.exec_sync(
['nmcli', 'dev', 'set', self.devName, 'managed', 'yes'])
except IPRoute2Error as e:
raise SkipTest('Failed to create a dummy interface %s: %s' %
(self.devName, e))
else:
return self.devName
def vlan(name, link, vlan_id):
ipwrapper.linkAdd(name, 'vlan', link=link, args=['id', str(vlan_id)])
try:
yield
finally:
try:
ipwrapper.linkDel(name)
except ipwrapper.IPRoute2Error:
# faultyGetLinks is expected to have already removed the vlan
# device.
pass
def veth_pair(prefix='veth_', max_length=15):
"""
Yield a pair of veth devices. This assumes root privileges (currently
required by all tests anyway).
Both sides of the pair have a pseudo-random suffix (e.g. veth_m6Lz7uMK9c).
"""
left_side = random_iface_name(prefix, max_length)
right_side = random_iface_name(prefix, max_length)
try:
linkAdd(left_side, linkType='veth', args=('peer', 'name', right_side))
except IPRoute2Error as e:
raise SkipTest('Failed to create a veth pair: %s', e)
try:
yield left_side, right_side
finally:
# the peer device is removed by the kernel
linkDel(left_side)
def veth_pair(prefix='veth_', max_length=15):
"""
Yield a pair of veth devices. This assumes root privileges (currently
required by all tests anyway).
Both sides of the pair have a pseudo-random suffix (e.g. veth_m6Lz7uMK9c).
"""
left_side = random_iface_name(prefix, max_length)
right_side = random_iface_name(prefix, max_length)
try:
linkAdd(left_side, linkType='veth',
args=('peer', 'name', right_side))
except IPRoute2Error as e:
raise SkipTest('Failed to create a veth pair: %s', e)
try:
yield left_side, right_side
finally:
# the peer device is removed by the kernel
linkDel(left_side)
def addVlan(self, vlan):
ipwrapper.linkAdd(name=vlan.name, linkType='vlan',
link=vlan.device.name, args=['id', str(vlan.tag)])
def addDevice(self):
linkAdd(self.devName, 'bridge')
self.up()
def create(self):
linkAdd(self.dev_name, 'bond')
self.set_managed()
self.up()
def addDevice(self):
linkAdd(self.devName, 'vlan', link=self.backing_device_name,
args=['id', str(self.tag)])
self.up()
def _create_bridge(name):
linkAdd(name, 'bridge')
try:
yield
finally:
linkDel(name)
def addDevice(self):
linkAdd(self.devName, 'bridge')
self.up()