151 lines
4.9 KiB
Python
151 lines
4.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2012 NTT DOCOMO, INC.
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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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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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"""Defines interface for DB access.
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The underlying driver is loaded as a :class:`LazyPluggable`.
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Functions in this module are imported into the nova.virt.baremetal.db
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namespace. Call these functions from nova.virt.baremetal.db namespace, not
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the nova.virt.baremetal.db.api namespace.
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All functions in this module return objects that implement a dictionary-like
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interface. Currently, many of these objects are sqlalchemy objects that
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implement a dictionary interface. However, a future goal is to have all of
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these objects be simple dictionaries.
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**Related Flags**
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:baremetal_db_backend: string to lookup in the list of LazyPluggable backends.
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`sqlalchemy` is the only supported backend right now.
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:[BAREMETAL] sql_connection: string specifying the sqlalchemy connection to
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use, like: `sqlite:///var/lib/nova/nova.sqlite`.
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"""
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from oslo.config import cfg
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from nova import utils
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# NOTE(deva): we can't move baremetal_db_backend into an OptGroup yet
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# because utils.LazyPluggable doesn't support reading from
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# option groups. See bug #1093043.
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db_opts = [
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cfg.StrOpt('db_backend',
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default='sqlalchemy',
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help='The backend to use for bare-metal database'),
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]
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baremetal_group = cfg.OptGroup(name='baremetal',
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title='Baremetal Options')
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CONF = cfg.CONF
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CONF.register_group(baremetal_group)
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CONF.register_opts(db_opts, baremetal_group)
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IMPL = utils.LazyPluggable(
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'db_backend',
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config_group='baremetal',
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sqlalchemy='nova.virt.baremetal.db.sqlalchemy.api')
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def bm_node_get_all(context, service_host=None):
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return IMPL.bm_node_get_all(context,
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service_host=service_host)
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def bm_node_get_associated(context, service_host=None):
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return IMPL.bm_node_get_associated(context,
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service_host=service_host)
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def bm_node_get_unassociated(context, service_host=None):
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return IMPL.bm_node_get_unassociated(context,
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service_host=service_host)
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def bm_node_find_free(context, service_host=None,
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memory_mb=None, cpus=None, local_gb=None):
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return IMPL.bm_node_find_free(context,
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service_host=service_host,
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memory_mb=memory_mb,
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cpus=cpus,
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local_gb=local_gb)
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def bm_node_get(context, bm_node_id):
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return IMPL.bm_node_get(context, bm_node_id)
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def bm_node_get_by_instance_uuid(context, instance_uuid):
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return IMPL.bm_node_get_by_instance_uuid(context,
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instance_uuid)
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def bm_node_get_by_node_uuid(context, node_uuid):
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return IMPL.bm_node_get_by_node_uuid(context, node_uuid)
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def bm_node_create(context, values):
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return IMPL.bm_node_create(context, values)
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def bm_node_destroy(context, bm_node_id):
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return IMPL.bm_node_destroy(context, bm_node_id)
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def bm_node_update(context, bm_node_id, values):
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return IMPL.bm_node_update(context, bm_node_id, values)
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def bm_node_associate_and_update(context, node_uuid, values):
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return IMPL.bm_node_associate_and_update(context, node_uuid, values)
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def bm_interface_get(context, if_id):
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return IMPL.bm_interface_get(context, if_id)
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def bm_interface_get_all(context):
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return IMPL.bm_interface_get_all(context)
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def bm_interface_destroy(context, if_id):
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return IMPL.bm_interface_destroy(context, if_id)
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def bm_interface_create(context, bm_node_id, address, datapath_id, port_no):
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return IMPL.bm_interface_create(context, bm_node_id, address,
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datapath_id, port_no)
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def bm_interface_set_vif_uuid(context, if_id, vif_uuid):
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return IMPL.bm_interface_set_vif_uuid(context, if_id, vif_uuid)
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def bm_interface_get_by_vif_uuid(context, vif_uuid):
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return IMPL.bm_interface_get_by_vif_uuid(context, vif_uuid)
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def bm_interface_get_all_by_bm_node_id(context, bm_node_id):
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return IMPL.bm_interface_get_all_by_bm_node_id(context, bm_node_id)
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