104 lines
3.7 KiB
Python
104 lines
3.7 KiB
Python
# Copyright (c) 2012 Rackspace Hosting
|
|
#
|
|
# 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.
|
|
|
|
"""
|
|
Global cells config options
|
|
"""
|
|
|
|
import itertools
|
|
|
|
from oslo_config import cfg
|
|
from oslo_utils import importutils
|
|
|
|
|
|
cells_opts = [
|
|
cfg.BoolOpt('enable',
|
|
default=False,
|
|
help='Enable cell functionality'),
|
|
cfg.StrOpt('topic',
|
|
default='cells',
|
|
help='The topic cells nodes listen on'),
|
|
cfg.StrOpt('manager',
|
|
default='nova.cells.manager.CellsManager',
|
|
help='Manager for cells'),
|
|
cfg.StrOpt('name',
|
|
default='nova',
|
|
help='Name of this cell'),
|
|
cfg.ListOpt('capabilities',
|
|
default=['hypervisor=xenserver;kvm', 'os=linux;windows'],
|
|
help='Key/Multi-value list with the capabilities of the cell'),
|
|
cfg.IntOpt('call_timeout',
|
|
default=60,
|
|
help='Seconds to wait for response from a call to a cell.'),
|
|
cfg.FloatOpt('reserve_percent',
|
|
default=10.0,
|
|
help='Percentage of cell capacity to hold in reserve. '
|
|
'Affects both memory and disk utilization'),
|
|
cfg.StrOpt('cell_type',
|
|
default='compute',
|
|
choices=('api', 'compute'),
|
|
help='Type of cell'),
|
|
cfg.IntOpt("mute_child_interval",
|
|
default=300,
|
|
help='Number of seconds after which a lack of capability and '
|
|
'capacity updates signals the child cell is to be '
|
|
'treated as a mute.'),
|
|
cfg.IntOpt('bandwidth_update_interval',
|
|
default=600,
|
|
help='Seconds between bandwidth updates for cells.'),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(cells_opts, group='cells')
|
|
|
|
|
|
def get_cell_type():
|
|
"""Return the cell type, 'api', 'compute', or None (if cells is disabled).
|
|
"""
|
|
if not CONF.cells.enable:
|
|
return
|
|
return CONF.cells.cell_type
|
|
|
|
|
|
def list_opts():
|
|
return [
|
|
('cells',
|
|
itertools.chain(
|
|
cells_opts,
|
|
importutils.import_module(
|
|
"nova.cells.manager").cell_manager_opts,
|
|
importutils.import_module(
|
|
"nova.cells.messaging").cell_messaging_opts,
|
|
importutils.import_module(
|
|
"nova.cells.rpc_driver").cell_rpc_driver_opts,
|
|
importutils.import_module(
|
|
"nova.cells.scheduler").cell_scheduler_opts,
|
|
importutils.import_module(
|
|
"nova.cells.state").cell_state_manager_opts,
|
|
importutils.import_module(
|
|
"nova.cells.weights.mute_child").mute_weigher_opts,
|
|
importutils.import_module(
|
|
"nova.cells.weights.ram_by_instance_type").ram_weigher_opts,
|
|
importutils.import_module(
|
|
"nova.cells.weights.weight_offset").weigher_opts
|
|
)),
|
|
('upgrade_levels',
|
|
itertools.chain(
|
|
[importutils.import_module(
|
|
"nova.cells.rpc_driver").rpcapi_cap_opt],
|
|
[importutils.import_module(
|
|
"nova.cells.rpcapi").rpcapi_cap_opt],
|
|
)),
|
|
]
|