neutron/neutron/plugins/ml2/drivers/mech_sriov/agent/common/config.py

59 lines
2.2 KiB
Python

# Copyright 2014 Mellanox Technologies, Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from oslo_config import cfg
from neutron._i18n import _
from neutron.conf.agent import common as config
from neutron.conf.plugins.ml2.drivers.mech_sriov import agent_common as \
agent_common_config
def parse_exclude_devices(exclude_list):
"""Parse Exclude devices list
parses excluded device list in the form:
dev_name:pci_dev_1;pci_dev_2
@param exclude list: list of string pairs in "key:value" format
the key part represents the network device name
the value part is a list of PCI slots separated by ";"
"""
exclude_mapping = {}
for dev_mapping in exclude_list:
try:
dev_name, exclude_devices = dev_mapping.split(":", 1)
except ValueError:
raise ValueError(_("Invalid mapping: '%s'") % dev_mapping)
dev_name = dev_name.strip()
if not dev_name:
raise ValueError(_("Missing key in mapping: '%s'") % dev_mapping)
if dev_name in exclude_mapping:
raise ValueError(_("Device %(dev_name)s in mapping: %(mapping)s "
"not unique") % {'dev_name': dev_name,
'mapping': dev_mapping})
exclude_devices_list = exclude_devices.split(";")
exclude_devices_set = set()
for dev in exclude_devices_list:
dev = dev.strip()
if dev:
exclude_devices_set.add(dev)
exclude_mapping[dev_name] = exclude_devices_set
return exclude_mapping
agent_common_config.register_agent_sriov_nic_opts()
config.register_agent_state_opts_helper(cfg.CONF)