def get_patch_port_names(bridge_name): int_if_name = p_utils.get_interface_name( bridge_name, prefix=constants.PEER_INTEGRATION_PREFIX) phys_if_name = p_utils.get_interface_name( bridge_name, prefix=constants.PEER_PHYSICAL_PREFIX) return int_if_name, phys_if_name
def test_get_interface_max_len(self, mock_sha1): self.assertEqual(constants.DEVICE_NAME_MAX_LEN, len(utils.get_interface_name(LONG_NAME1))) self.assertEqual(10, len(utils.get_interface_name(LONG_NAME1, max_len=10))) self.assertEqual(12, len(utils.get_interface_name(LONG_NAME1, prefix="pre-", max_len=12)))
def test_get_interface_max_len(self, mock_sha1): self.assertEqual(constants.DEVICE_NAME_MAX_LEN, len(utils.get_interface_name(LONG_NAME1))) self.assertEqual(10, len(utils.get_interface_name(LONG_NAME1, max_len=10))) self.assertEqual(12, len(utils.get_interface_name(LONG_NAME1, prefix="pre-", max_len=12)))
def get_subinterface_name(physical_interface, vlan_id): if not vlan_id: LOG.warning("Invalid VLAN ID, will lead to incorrect " "subinterface name") vlan_postfix = '.%s' % vlan_id # For the vlan subinterface name prefix we use: # * the physical_interface, if len(physical_interface) + # len(vlan_postifx) <= 15 for backward compatibility reasons # Example: physical_interface = eth0 # prefix = eth0.1 # prefix = eth0.1111 # # * otherwise a unique hash per physical_interface to help debugging # Example: physical_interface = long_interface # prefix = longHASHED.1 # prefix = longHASHED.1111 # # Remark: For some physical_interface values, the used prefix can be # both, the physical_interface itself or a hash, depending # on the vlan_postfix length. # Example: physical_interface = mix_interface # prefix = mix_interface.1 (backward compatible) # prefix = mix_iHASHED.1111 if (len(physical_interface) + len(vlan_postfix) > constants.DEVICE_NAME_MAX_LEN): physical_interface = plugin_utils.get_interface_name( physical_interface, max_len=(constants.DEVICE_NAME_MAX_LEN - MAX_VLAN_POSTFIX_LEN)) return "%s%s" % (physical_interface, vlan_postfix)
def get_subinterface_name(physical_interface, vlan_id): if not vlan_id: LOG.warning("Invalid VLAN ID, will lead to incorrect " "subinterface name") vlan_postfix = '.%s' % vlan_id # For the vlan subinterface name prefix we use: # * the physical_interface, if len(physical_interface) + # len(vlan_postifx) <= 15 for backward compatibility reasons # Example: physical_interface = eth0 # prefix = eth0.1 # prefix = eth0.1111 # # * otherwise a unique hash per physical_interface to help debugging # Example: physical_interface = long_interface # prefix = longHASHED.1 # prefix = longHASHED.1111 # # Remark: For some physical_interface values, the used prefix can be # both, the physical_interface itself or a hash, depending # on the vlan_postfix length. # Example: physical_interface = mix_interface # prefix = mix_interface.1 (backward compatible) # prefix = mix_iHASHED.1111 if (len(physical_interface) + len(vlan_postfix) > constants.DEVICE_NAME_MAX_LEN): physical_interface = plugin_utils.get_interface_name( physical_interface, max_len=(constants.DEVICE_NAME_MAX_LEN - MAX_VLAN_POSTFIX_LEN)) return "%s%s" % (physical_interface, vlan_postfix)
def get_vlan_device_name(src_dev, vlan): """Generating the vlan device name.""" # Ensure that independent of the vlan len the same name prefix is used. src_dev = plugin_utils.get_interface_name( src_dev, max_len=n_const.DEVICE_NAME_MAX_LEN - MAX_VLAN_POSTFIX_LEN) return "%s.%s" % (src_dev, vlan)
def get_vlan_device_name(src_dev, vlan): """Generating the vlan device name.""" # Ensure that independent of the vlan len the same name prefix is used. src_dev = plugin_utils.get_interface_name( src_dev, max_len=n_const.DEVICE_NAME_MAX_LEN - MAX_VLAN_POSTFIX_LEN) return "%s.%s" % (src_dev, vlan)
def test_get_interface_name(self, mock_sha1): prefix = "pre-" prefix_long = "long_prefix" prefix_exceeds_max_dev_len = "much_too_long_prefix" hash_used = MOCKED_HASH[0:6] self.assertEqual("A_REALLY_" + hash_used, utils.get_interface_name(LONG_NAME1)) self.assertEqual("SHORT", utils.get_interface_name(SHORT_NAME)) self.assertEqual("pre-A_REA" + hash_used, utils.get_interface_name(LONG_NAME1, prefix=prefix)) self.assertEqual("pre-SHORT", utils.get_interface_name(SHORT_NAME, prefix=prefix)) # len(prefix) > max_device_len - len(hash_used) self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix_long) # len(prefix) > max_device_len self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix=prefix_exceeds_max_dev_len)
def test_get_interface_name(self, mock_sha1): prefix = "pre-" prefix_long = "long_prefix" prefix_exceeds_max_dev_len = "much_too_long_prefix" hash_used = MOCKED_HASH[0:6] self.assertEqual("A_REALLY_" + hash_used, utils.get_interface_name(LONG_NAME1)) self.assertEqual("SHORT", utils.get_interface_name(SHORT_NAME)) self.assertEqual("pre-A_REA" + hash_used, utils.get_interface_name(LONG_NAME1, prefix=prefix)) self.assertEqual("pre-SHORT", utils.get_interface_name(SHORT_NAME, prefix=prefix)) # len(prefix) > max_device_len - len(hash_used) self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix_long) # len(prefix) > max_device_len self.assertRaises(ValueError, utils.get_interface_name, SHORT_NAME, prefix=prefix_exceeds_max_dev_len)
def test_get_interface_uniqueness(self): prefix = "prefix-" if_prefix1 = utils.get_interface_name(LONG_NAME1, prefix=prefix) if_prefix2 = utils.get_interface_name(LONG_NAME2, prefix=prefix) self.assertNotEqual(if_prefix1, if_prefix2)
def test_get_interface_uniqueness(self): prefix = "prefix-" if_prefix1 = utils.get_interface_name(LONG_NAME1, prefix=prefix) if_prefix2 = utils.get_interface_name(LONG_NAME2, prefix=prefix) self.assertNotEqual(if_prefix1, if_prefix2)