90 lines
3.7 KiB
Python
90 lines
3.7 KiB
Python
# Copyright 2014 Mellanox Technologies, Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_config import cfg
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from neutron.agent.common import config
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def parse_exclude_devices(exclude_list):
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"""Parse Exclude devices list
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parses excluded device list in the form:
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dev_name:pci_dev_1;pci_dev_2
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@param exclude list: list of string pairs in "key:value" format
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the key part represents the network device name
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the value part is a list of PCI slots separated by ";"
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"""
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exclude_mapping = {}
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for dev_mapping in exclude_list:
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try:
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dev_name, exclude_devices = dev_mapping.split(":", 1)
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except ValueError:
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raise ValueError(_("Invalid mapping: '%s'") % dev_mapping)
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dev_name = dev_name.strip()
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if not dev_name:
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raise ValueError(_("Missing key in mapping: '%s'") % dev_mapping)
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if dev_name in exclude_mapping:
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raise ValueError(_("Device %(dev_name)s in mapping: %(mapping)s "
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"not unique") % {'dev_name': dev_name,
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'mapping': dev_mapping})
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exclude_devices_list = exclude_devices.split(";")
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exclude_devices_set = set()
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for dev in exclude_devices_list:
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dev = dev.strip()
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if dev:
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exclude_devices_set.add(dev)
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exclude_mapping[dev_name] = exclude_devices_set
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return exclude_mapping
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DEFAULT_DEVICE_MAPPINGS = []
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DEFAULT_EXCLUDE_DEVICES = []
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agent_opts = [
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cfg.IntOpt('polling_interval', default=2,
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help=_("The number of seconds the agent will wait between "
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"polling for local device changes.")),
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]
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sriov_nic_opts = [
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cfg.ListOpt('physical_device_mappings',
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default=DEFAULT_DEVICE_MAPPINGS,
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help=_("Comma-separated list of "
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"<physical_network>:<network_device> tuples mapping "
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"physical network names to the agent's node-specific "
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"physical network device interfaces of SR-IOV physical "
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"function to be used for VLAN networks. All physical "
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"networks listed in network_vlan_ranges on the server "
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"should have mappings to appropriate interfaces on "
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"each agent.")),
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cfg.ListOpt('exclude_devices',
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default=DEFAULT_EXCLUDE_DEVICES,
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help=_("Comma-separated list of "
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"<network_device>:<vfs_to_exclude> tuples, mapping "
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"network_device to the agent's node-specific list of "
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"virtual functions that should not be used for virtual "
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"networking. vfs_to_exclude is a semicolon-separated "
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"list of virtual functions to exclude from "
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"network_device. The network_device in the mapping "
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"should appear in the physical_device_mappings "
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"list.")),
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]
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cfg.CONF.register_opts(agent_opts, 'AGENT')
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cfg.CONF.register_opts(sriov_nic_opts, 'SRIOV_NIC')
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config.register_agent_state_opts_helper(cfg.CONF)
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