def create(prefix='veth_', max_length=15):
"""
Create a veth interface with a pseudo-random suffix (e.g. veth_m6Lz7uMK9c)
for both endpoints. Use the longest possible name length by default.
This assumes root privileges.
"""
leftPoint = random_iface_name(prefix, max_length)
rightPoint = random_iface_name(prefix, max_length)
try:
linkAdd(leftPoint, linkType='veth', args=('peer', 'name', rightPoint))
except IPRoute2Error:
raise SkipTest('Failed to create a veth interface')
else:
return (leftPoint, rightPoint)
def bond_device(slaves, prefix='bond', max_length=11):
check_sysfs_bond_permission()
name = random_iface_name(prefix, max_length)
with linkbond.Bond(name, slaves) as bond:
bond.create()
yield bond.master
bond.destroy()
def bond_device(slaves, prefix='bond', max_length=11):
check_sysfs_bond_permission()
name = random_iface_name(prefix, max_length)
with linkbond.Bond(name, slaves) as bond:
bond.create()
yield bond.master
bond.destroy()
def _has_sysfs_bond_permission():
bond = linkbond.BondSysFS(random_iface_name('check_', max_length=11))
try:
bond.create()
bond.destroy()
except IOError:
return False
return True
def bond_device(prefix='bond_', max_length=11):
bond_name = random_iface_name(prefix, max_length)
bond = Bond(bond_name)
bond.create()
try:
yield bond
finally:
bond.destroy()
def bond_device(prefix="bond_", max_length=11):
bond_name = random_iface_name(prefix, max_length)
bond = Bond(bond_name)
bond.create()
try:
yield bond
finally:
bond.destroy()
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))
yield left_side, right_side
except IPRoute2Error:
raise SkipTest('Failed to create a veth pair.')
finally:
# the peer device is removed by the kernel
linkDel(left_side)
def 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))
yield left_side, right_side
except IPRoute2Error:
raise SkipTest("Failed to create a veth pair.")
finally:
# the peer device is removed by the kernel
dummy.remove(left_side)
def _has_sysfs_bond_permission():
BondSysFS = linkbond.sysfs_driver.BondSysFS
bond = BondSysFS(random_iface_name('check_', max_length=11))
try:
bond.create()
bond.destroy()
except IOError:
return False
return True
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 test_bond_create_failure_on_slave_add(self):
with dummy_devices(2) as (nic1, nic2):
with bond_device() as base_bond:
base_bond.add_slaves((nic1, nic2))
bond_name = random_iface_name('bond_', max_length=11)
with self.assertRaises(IOError):
with Bond(bond_name) as broken_bond:
broken_bond.create()
broken_bond.add_slaves((nic1, nic2))
self.assertFalse(Bond(bond_name).exists())
def test_bond_create_failure_on_slave_add(self):
with dummy_devices(2) as (nic1, nic2):
with bond_device() as base_bond:
base_bond.add_slaves((nic1, nic2))
bond_name = random_iface_name("bond_", max_length=11)
with self.assertRaises(IOError):
with Bond(bond_name) as broken_bond:
broken_bond.create()
broken_bond.add_slaves((nic1, nic2))
self.assertFalse(Bond(bond_name).exists())
def create(prefix='dummy_', max_length=11):
"""
Create a dummy interface with a pseudo-random suffix, e.g. dummy_ilXaYiSn7.
Limit the name to 11 characters to make room for VLAN IDs.
This assumes root privileges.
"""
dummy_name = random_iface_name(prefix, max_length)
try:
linkAdd(dummy_name, linkType='dummy')
except IPRoute2Error as e:
raise SkipTest('Failed to create a dummy interface %s: %s' %
(dummy_name, e))
else:
return dummy_name
def create(prefix='dummy_', max_length=11):
"""
Create a dummy interface with a pseudo-random suffix, e.g. dummy_ilXaYiSn7.
Limit the name to 11 characters to make room for VLAN IDs.
This assumes root privileges.
"""
dummy_name = random_iface_name(prefix, max_length)
try:
linkAdd(dummy_name, linkType='dummy')
except IPRoute2Error as e:
raise SkipTest('Failed to load a dummy interface %s: %s' %
(dummy_name, e))
else:
return dummy_name
def testGetBondingOptions(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
_getBondingOptions(bondName), {}, "This test fails when "
"a new bonding option is added to the kernel. Please run "
"`vdsm-tool dump-bonding-defaults` and retest.")
with open(BONDING_OPT % (bondName, 'miimon'), 'w') as opt:
opt.write(INTERVAL)
self.assertEqual(_getBondingOptions(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
def testGetBondingOptions(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(netinfo.BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
netinfo._getBondingOptions(bondName), {}, "This test fails"
" when a new bonding option is added to the kernel. Please"
" run vdsm-tool dump-bonding-defaults` and retest.")
with open(netinfo.BONDING_OPT % (bondName, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
self.assertEqual(netinfo._getBondingOptions(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
def test_get_bonding_options(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(bonding.BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
self._bond_opts_without_mode(bondName), {},
'This test fails when a new bonding option is added to '
'the kernel. Please run vdsm-tool dump-bonding-options` '
'and retest.')
with open(bonding.BONDING_OPT % (bondName, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
self.assertEqual(self._bond_opts_without_mode(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
def test_get_bonding_options(self):
INTERVAL = '12345'
bondName = random_iface_name()
with open(bonding.BONDING_MASTERS, 'w') as bonds:
bonds.write('+' + bondName)
bonds.flush()
try: # no error is anticipated but let's make sure we can clean up
self.assertEqual(
self._bond_opts_without_mode(bondName), {},
'This test fails when a new bonding option is added to '
'the kernel. Please run vdsm-tool dump-bonding-options` '
'and retest.')
with open(bonding.BONDING_OPT % (bondName, 'miimon'),
'w') as opt:
opt.write(INTERVAL)
self.assertEqual(self._bond_opts_without_mode(bondName),
{'miimon': INTERVAL})
finally:
bonds.write('-' + bondName)
def _create_br_name():
return random_iface_name(prefix=BRIDGE_PREFIX)
def _create_br_name():
return random_iface_name(prefix=BRIDGE_PREFIX)
def __init__(self, prefix='vdsm-', max_length=11):
self.devName = random_iface_name(prefix, max_length)
def __init__(self, prefix='vdsm-'):
self.devName = random_iface_name(prefix)
def __init__(self, prefix='vdsm-'):
self.devName = random_iface_name(prefix)
def __init__(self, prefix='vdsm-', max_length=11):
self.devName = random_iface_name(prefix, max_length)
