431 lines
19 KiB
Python
431 lines
19 KiB
Python
# Copyright 2012 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Handles all requests to the conductor service"""
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import functools
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from nova.conductor import manager
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from nova.conductor import rpcapi
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from nova import exception as exc
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from nova.openstack.common import cfg
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from nova.openstack.common.rpc import common as rpc_common
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conductor_opts = [
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cfg.BoolOpt('use_local',
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default=False,
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help='Perform nova-conductor operations locally'),
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cfg.StrOpt('topic',
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default='conductor',
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help='the topic conductor nodes listen on'),
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cfg.StrOpt('manager',
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default='nova.conductor.manager.ConductorManager',
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help='full class name for the Manager for conductor'),
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]
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conductor_group = cfg.OptGroup(name='conductor',
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title='Conductor Options')
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CONF = cfg.CONF
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CONF.register_group(conductor_group)
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CONF.register_opts(conductor_opts, conductor_group)
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class ExceptionHelper(object):
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"""Class to wrap another and translate the ClientExceptions raised by its
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function calls to the actual ones"""
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def __init__(self, target):
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self._target = target
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def __getattr__(self, name):
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func = getattr(self._target, name)
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except rpc_common.ClientException, e:
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raise (e._exc_info[1], None, e._exc_info[2])
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return wrapper
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class LocalAPI(object):
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"""A local version of the conductor API that does database updates
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locally instead of via RPC"""
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def __init__(self):
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# TODO(danms): This needs to be something more generic for
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# other/future users of this sort of functionality.
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self._manager = ExceptionHelper(manager.ConductorManager())
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def ping(self, context, arg, timeout=None):
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return self._manager.ping(context, arg)
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def instance_update(self, context, instance_uuid, **updates):
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"""Perform an instance update in the database"""
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return self._manager.instance_update(context, instance_uuid, updates)
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def instance_get(self, context, instance_id):
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return self._manager.instance_get(context, instance_id)
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def instance_get_by_uuid(self, context, instance_uuid):
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return self._manager.instance_get_by_uuid(context, instance_uuid)
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def instance_destroy(self, context, instance):
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return self._manager.instance_destroy(context, instance)
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def instance_get_all(self, context):
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return self._manager.instance_get_all(context)
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def instance_get_all_by_host(self, context, host):
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return self._manager.instance_get_all_by_host(context, host)
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def instance_get_all_by_filters(self, context, filters,
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sort_key='created_at',
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sort_dir='desc'):
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return self._manager.instance_get_all_by_filters(context,
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filters,
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sort_key,
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sort_dir)
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def instance_get_all_hung_in_rebooting(self, context, timeout):
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return self._manager.instance_get_all_hung_in_rebooting(context,
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timeout)
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def instance_get_active_by_window(self, context, begin, end=None,
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project_id=None, host=None):
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return self._manager.instance_get_active_by_window(
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context, begin, end, project_id, host)
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def instance_info_cache_delete(self, context, instance):
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return self._manager.instance_info_cache_delete(context, instance)
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def instance_type_get(self, context, instance_type_id):
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return self._manager.instance_type_get(context, instance_type_id)
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def migration_get(self, context, migration_id):
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return self._manager.migration_get(context, migration_id)
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def migration_get_unconfirmed_by_dest_compute(self, context,
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confirm_window,
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dest_compute):
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return self._manager.migration_get_unconfirmed_by_dest_compute(
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context, confirm_window, dest_compute)
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def migration_update(self, context, migration, status):
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return self._manager.migration_update(context, migration, status)
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def aggregate_host_add(self, context, aggregate, host):
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return self._manager.aggregate_host_add(context, aggregate, host)
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def aggregate_host_delete(self, context, aggregate, host):
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return self._manager.aggregate_host_delete(context, aggregate, host)
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def aggregate_get(self, context, aggregate_id):
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return self._manager.aggregate_get(context, aggregate_id)
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def aggregate_get_by_host(self, context, host, key=None):
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return self._manager.aggregate_get_by_host(context, host, key)
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def aggregate_metadata_add(self, context, aggregate, metadata,
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set_delete=False):
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return self._manager.aggregate_metadata_add(context, aggregate,
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metadata,
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set_delete)
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def aggregate_metadata_delete(self, context, aggregate, key):
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return self._manager.aggregate_metadata_delete(context,
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aggregate,
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key)
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def bw_usage_get(self, context, uuid, start_period, mac):
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return self._manager.bw_usage_update(context, uuid, mac, start_period)
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def bw_usage_update(self, context, uuid, mac, start_period,
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bw_in, bw_out, last_ctr_in, last_ctr_out,
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last_refreshed=None):
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return self._manager.bw_usage_update(context, uuid, mac, start_period,
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bw_in, bw_out,
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last_ctr_in, last_ctr_out,
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last_refreshed)
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def get_backdoor_port(self, context, host):
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raise exc.InvalidRequest
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def security_group_get_by_instance(self, context, instance):
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return self._manager.security_group_get_by_instance(context, instance)
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def security_group_rule_get_by_security_group(self, context, secgroup):
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return self._manager.security_group_rule_get_by_security_group(
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context, secgroup)
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def provider_fw_rule_get_all(self, context):
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return self._manager.provider_fw_rule_get_all(context)
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def agent_build_get_by_triple(self, context, hypervisor, os, architecture):
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return self._manager.agent_build_get_by_triple(context, hypervisor,
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os, architecture)
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def block_device_mapping_create(self, context, values):
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return self._manager.block_device_mapping_update_or_create(context,
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values,
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create=True)
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def block_device_mapping_update(self, context, bdm_id, values):
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values = dict(values)
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values['id'] = bdm_id
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return self._manager.block_device_mapping_update_or_create(
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context, values, create=False)
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def block_device_mapping_update_or_create(self, context, values):
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return self._manager.block_device_mapping_update_or_create(context,
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values)
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def block_device_mapping_get_all_by_instance(self, context, instance):
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return self._manager.block_device_mapping_get_all_by_instance(
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context, instance)
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def block_device_mapping_destroy(self, context, bdms):
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return self._manager.block_device_mapping_destroy(context, bdms=bdms)
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def block_device_mapping_destroy_by_instance_and_device(self, context,
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instance,
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device_name):
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return self._manager.block_device_mapping_destroy(
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context, instance=instance, device_name=device_name)
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def block_device_mapping_destroy_by_instance_and_volume(self, context,
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instance,
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volume_id):
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return self._manager.block_device_mapping_destroy(
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context, instance=instance, volume_id=volume_id)
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def vol_get_usage_by_time(self, context, start_time):
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return self._manager.vol_get_usage_by_time(context, start_time)
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def vol_usage_update(self, context, vol_id, rd_req, rd_bytes, wr_req,
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wr_bytes, instance, last_refreshed=None,
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update_totals=False):
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return self._manager.vol_usage_update(context, vol_id,
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rd_req, rd_bytes,
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wr_req, wr_bytes,
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instance, last_refreshed,
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update_totals)
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def service_get_all(self, context):
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return self._manager.service_get_all_by(context)
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def service_get_all_by_topic(self, context, topic):
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return self._manager.service_get_all_by(context, topic=topic)
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def service_get_all_by_host(self, context, host):
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return self._manager.service_get_all_by(context, host=host)
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def service_get_by_host_and_topic(self, context, host, topic):
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return self._manager.service_get_all_by(context, topic, host)
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def service_get_all_compute_by_host(self, context, host):
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return self._manager.service_get_all_by(context, 'compute', host)
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class API(object):
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"""Conductor API that does updates via RPC to the ConductorManager"""
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def __init__(self):
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self.conductor_rpcapi = rpcapi.ConductorAPI()
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def ping(self, context, arg, timeout=None):
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return self.conductor_rpcapi.ping(context, arg, timeout)
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def instance_update(self, context, instance_uuid, **updates):
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"""Perform an instance update in the database"""
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return self.conductor_rpcapi.instance_update(context, instance_uuid,
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updates)
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def instance_destroy(self, context, instance):
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return self.conductor_rpcapi.instance_destroy(context, instance)
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def instance_get(self, context, instance_id):
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return self.conductor_rpcapi.instance_get(context, instance_id)
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def instance_get_by_uuid(self, context, instance_uuid):
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return self.conductor_rpcapi.instance_get_by_uuid(context,
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instance_uuid)
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def instance_get_all(self, context):
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return self.conductor_rpcapi.instance_get_all(context)
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def instance_get_all_by_host(self, context, host):
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return self.conductor_rpcapi.instance_get_all_by_host(context, host)
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def instance_get_all_by_filters(self, context, filters,
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sort_key='created_at',
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sort_dir='desc'):
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return self.conductor_rpcapi.instance_get_all_by_filters(context,
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filters,
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sort_key,
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sort_dir)
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def instance_get_all_hung_in_rebooting(self, context, timeout):
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return self.conductor_rpcapi.instance_get_all_hung_in_rebooting(
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context, timeout)
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def instance_get_active_by_window(self, context, begin, end=None,
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project_id=None, host=None):
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return self.conductor_rpcapi.instance_get_active_by_window(
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context, begin, end, project_id, host)
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def instance_info_cache_delete(self, context, instance):
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return self.conductor_rpcapi.instance_info_cache_delete(context,
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instance)
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def instance_type_get(self, context, instance_type_id):
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return self.conductor_rpcapi.instance_type_get(context,
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instance_type_id)
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def migration_get(self, context, migration_id):
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return self.conductor_rpcapi.migration_get(context, migration_id)
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def migration_get_unconfirmed_by_dest_compute(self, context,
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confirm_window,
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dest_compute):
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crpcapi = self.conductor_rpcapi
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return crpcapi.migration_get_unconfirmed_by_dest_compute(
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context, confirm_window, dest_compute)
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def migration_update(self, context, migration, status):
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return self.conductor_rpcapi.migration_update(context, migration,
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status)
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def aggregate_host_add(self, context, aggregate, host):
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return self.conductor_rpcapi.aggregate_host_add(context, aggregate,
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host)
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def aggregate_host_delete(self, context, aggregate, host):
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return self.conductor_rpcapi.aggregate_host_delete(context, aggregate,
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host)
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def aggregate_get(self, context, aggregate_id):
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return self.conductor_rpcapi.aggregate_get(context, aggregate_id)
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def aggregate_get_by_host(self, context, host, key=None):
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return self.conductor_rpcapi.aggregate_get_by_host(context, host, key)
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def aggregate_metadata_add(self, context, aggregate, metadata,
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set_delete=False):
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return self.conductor_rpcapi.aggregate_metadata_add(context, aggregate,
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metadata,
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set_delete)
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def aggregate_metadata_delete(self, context, aggregate, key):
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return self.conductor_rpcapi.aggregate_metadata_delete(context,
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aggregate,
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key)
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def bw_usage_get(self, context, uuid, start_period, mac):
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return self.conductor_rpcapi.bw_usage_update(context, uuid, mac,
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start_period)
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def bw_usage_update(self, context, uuid, mac, start_period,
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bw_in, bw_out, last_ctr_in, last_ctr_out,
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last_refreshed=None):
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return self.conductor_rpcapi.bw_usage_update(
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context, uuid, mac, start_period,
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bw_in, bw_out, last_ctr_in, last_ctr_out,
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last_refreshed)
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#NOTE(mtreinish): This doesn't work on multiple conductors without any
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# topic calculation in conductor_rpcapi. So the host param isn't used
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# currently.
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def get_backdoor_port(self, context, host):
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return self.conductor_rpcapi.get_backdoor_port(context)
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def security_group_get_by_instance(self, context, instance):
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return self.conductor_rpcapi.security_group_get_by_instance(context,
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instance)
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def security_group_rule_get_by_security_group(self, context, secgroup):
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return self.conductor_rpcapi.security_group_rule_get_by_security_group(
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context, secgroup)
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def provider_fw_rule_get_all(self, context):
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return self.conductor_rpcapi.provider_fw_rule_get_all(context)
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def agent_build_get_by_triple(self, context, hypervisor, os, architecture):
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return self.conductor_rpcapi.agent_build_get_by_triple(context,
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hypervisor,
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os,
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architecture)
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def block_device_mapping_create(self, context, values):
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return self.conductor_rpcapi.block_device_mapping_update_or_create(
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context, values, create=True)
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def block_device_mapping_update(self, context, bdm_id, values):
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values = dict(values)
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values['id'] = bdm_id
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return self.conductor_rpcapi.block_device_mapping_update_or_create(
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context, values, create=False)
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def block_device_mapping_update_or_create(self, context, values):
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return self.conductor_rpcapi.block_device_mapping_update_or_create(
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context, values)
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def block_device_mapping_get_all_by_instance(self, context, instance):
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return self.conductor_rpcapi.block_device_mapping_get_all_by_instance(
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context, instance)
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def block_device_mapping_destroy(self, context, bdms):
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return self.conductor_rpcapi.block_device_mapping_destroy(context,
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bdms=bdms)
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def block_device_mapping_destroy_by_instance_and_device(self, context,
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instance,
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device_name):
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return self.conductor_rpcapi.block_device_mapping_destroy(
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context, instance=instance, device_name=device_name)
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def block_device_mapping_destroy_by_instance_and_volume(self, context,
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instance,
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volume_id):
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return self.conductor_rpcapi.block_device_mapping_destroy(
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context, instance=instance, volume_id=volume_id)
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def vol_get_usage_by_time(self, context, start_time):
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return self.conductor_rpcapi.vol_get_usage_by_time(context, start_time)
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def vol_usage_update(self, context, vol_id, rd_req, rd_bytes, wr_req,
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wr_bytes, instance, last_refreshed=None,
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update_totals=False):
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return self.conductor_rpcapi.vol_usage_update(context, vol_id,
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rd_req, rd_bytes,
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wr_req, wr_bytes,
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instance, last_refreshed,
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update_totals)
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def service_get_all(self, context):
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return self.conductor_rpcapi.service_get_all_by(context)
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def service_get_all_by_topic(self, context, topic):
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return self.conductor_rpcapi.service_get_all_by(context, topic=topic)
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def service_get_all_by_host(self, context, host):
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return self.conductor_rpcapi.service_get_all_by(context, host=host)
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def service_get_by_host_and_topic(self, context, host, topic):
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return self.conductor_rpcapi.service_get_all_by(context, topic, host)
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def service_get_all_compute_by_host(self, context, host):
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return self.conductor_rpcapi.service_get_all_by(context, 'compute',
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host)
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