nova/nova/conf/placement.py

67 lines
2.5 KiB
Python

# 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 keystoneauth1 import loading as ks_loading
from oslo_config import cfg
from nova.conf import utils as confutils
DEFAULT_SERVICE_TYPE = 'placement'
placement_group = cfg.OptGroup(
'placement',
title='Placement Service Options',
help="Configuration options for connecting to the placement API service")
placement_opts = [
cfg.BoolOpt(
'randomize_allocation_candidates',
default=False,
help="""
If True, when limiting allocation candidate results, the results will be
a random sampling of the full result set. If False, allocation candidates
are returned in a deterministic but undefined order. That is, all things
being equal, two requests for allocation candidates will return the same
results in the same order; but no guarantees are made as to how that order
is determined.
"""),
# TODO(mriedem): When placement is split out of nova, this should be
# deprecated since then [oslo_policy]/policy_file can be used.
cfg.StrOpt(
'policy_file',
# This default matches what is in
# etc/nova/placement-policy-generator.conf
default='placement-policy.yaml',
help='The file that defines placement policies. This can be an '
'absolute path or relative to the configuration file.'),
]
def register_opts(conf):
conf.register_group(placement_group)
conf.register_opts(placement_opts, group=placement_group)
confutils.register_ksa_opts(conf, placement_group, DEFAULT_SERVICE_TYPE)
def list_opts():
return {
placement_group.name: (
placement_opts +
ks_loading.get_session_conf_options() +
ks_loading.get_auth_common_conf_options() +
ks_loading.get_auth_plugin_conf_options('password') +
ks_loading.get_auth_plugin_conf_options('v2password') +
ks_loading.get_auth_plugin_conf_options('v3password') +
confutils.get_ksa_adapter_opts(DEFAULT_SERVICE_TYPE))
}