Placement: constants

Introduce a constants file for later use for symbols in Placement,
including constants for:

* custom trait prefixes
* resource class names (though that should be replaced as soon as we
  have an os-resource-classes package)
* known inventory parameters to validate config options

Change-Id: I3a5afd04ce8b5919efdb7591e3717742dd27151e
Partial-Bug: #1578989
See-Also: https://review.openstack.org/502306 (nova spec)
See-Also: https://review.openstack.org/508149 (neutron spec)
This commit is contained in:
Bence Romsics 2018-07-06 15:32:40 +02:00
parent d32e570361
commit b271a336b1
2 changed files with 37 additions and 0 deletions

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# Copyright 2018 Ericsson
#
# 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.
# trait prefixes to be used after CUSTOM_
TRAIT_PREFIX_VNIC_TYPE = 'VNIC_TYPE_'
TRAIT_PREFIX_PHYSNET = 'PHYSNET_'
# resource classes
CLASS_NET_BW_EGRESS_KBPS = 'NET_BANDWIDTH_EGRESS_KILOBITS_PER_SECOND'
CLASS_NET_BW_INGRESS_KBPS = 'NET_BANDWIDTH_INGRESS_KILOBITS_PER_SECOND'
# Optionally reported inventory parameters. Mandatory parameters like 'total'
# are left out intentionally. See also:
# https://developer.openstack.org/api-ref/placement
# /#update-resource-provider-inventory
INVENTORY_OPTIONS = set([
'allocation_ratio',
'max_unit',
'min_unit',
'reserved',
'step_size',
])

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---
features:
- |
New constants module for Placement: ``neutron_lib.placement.constants``.