1943 lines
70 KiB
Python
1943 lines
70 KiB
Python
# 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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Functions in this module are imported into the cinder.db namespace. Call these
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functions from cinder.db namespace, not the cinder.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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:connection: string specifying the sqlalchemy connection to use, like:
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`sqlite:///var/lib/cinder/cinder.sqlite`.
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:enable_new_services: when adding a new service to the database, is it in the
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pool of available hardware (Default: True)
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"""
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from oslo_config import cfg
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from oslo_db import api as oslo_db_api
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from oslo_db import options as db_options
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from cinder.api import common
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from cinder.common import constants
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from cinder.i18n import _
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db_opts = [
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cfg.BoolOpt('enable_new_services',
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default=True,
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help='Services to be added to the available pool on create'),
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cfg.StrOpt('volume_name_template',
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default='volume-%s',
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help='Template string to be used to generate volume names'),
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cfg.StrOpt('snapshot_name_template',
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default='snapshot-%s',
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help='Template string to be used to generate snapshot names'),
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]
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backup_opts = [
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cfg.StrOpt('backup_name_template',
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default='backup-%s',
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help='Template string to be used to generate backup names'),
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]
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CONF = cfg.CONF
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CONF.register_opts(db_opts)
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CONF.register_opts(backup_opts)
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db_options.set_defaults(CONF)
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_BACKEND_MAPPING = {'sqlalchemy': 'cinder.db.sqlalchemy.api'}
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IMPL = oslo_db_api.DBAPI.from_config(conf=CONF,
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backend_mapping=_BACKEND_MAPPING,
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lazy=True)
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# The maximum value a signed INT type may have
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MAX_INT = constants.DB_MAX_INT
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###################
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def dispose_engine():
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"""Force the engine to establish new connections."""
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# FIXME(jdg): When using sqlite if we do the dispose
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# we seem to lose our DB here. Adding this check
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# means we don't do the dispose, but we keep our sqlite DB
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# This likely isn't the best way to handle this
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if 'sqlite' not in IMPL.get_engine().name:
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return IMPL.dispose_engine()
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else:
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return
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###################
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def service_destroy(context, service_id):
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"""Destroy the service or raise if it does not exist."""
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return IMPL.service_destroy(context, service_id)
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def service_get(context, service_id=None, backend_match_level=None, **filters):
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"""Get a service that matches the criteria.
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A possible filter is is_up=True and it will filter nodes that are down.
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:param service_id: Id of the service.
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:param filters: Filters for the query in the form of key/value.
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:param backend_match_level: 'pool', 'backend', or 'host' for host and
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cluster filters (as defined in _filter_host
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method)
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:raise ServiceNotFound: If service doesn't exist.
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"""
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return IMPL.service_get(context, service_id, backend_match_level,
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**filters)
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def service_get_all(context, backend_match_level=None, **filters):
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"""Get all services that match the criteria.
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A possible filter is is_up=True and it will filter nodes that are down,
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as well as host_or_cluster, that lets you look for services using both
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of these properties.
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:param filters: Filters for the query in the form of key/value arguments.
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:param backend_match_level: 'pool', 'backend', or 'host' for host and
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cluster filters (as defined in _filter_host
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method)
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"""
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return IMPL.service_get_all(context, backend_match_level, **filters)
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def service_create(context, values):
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"""Create a service from the values dictionary."""
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return IMPL.service_create(context, values)
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def service_update(context, service_id, values):
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"""Set the given properties on an service and update it.
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Raises NotFound if service does not exist.
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"""
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return IMPL.service_update(context, service_id, values)
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def service_get_by_uuid(context, service_uuid):
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"""Get a service by it's uuid.
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Return Service ref or raise if it does not exist.
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"""
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return IMPL.service_get_by_uuid(context, service_uuid)
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###############
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def is_backend_frozen(context, host, cluster_name):
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"""Check if a storage backend is frozen based on host and cluster_name."""
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return IMPL.is_backend_frozen(context, host, cluster_name)
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###############
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def cluster_get(context, id=None, is_up=None, get_services=False,
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services_summary=False, read_deleted='no',
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name_match_level=None, **filters):
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"""Get a cluster that matches the criteria.
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:param id: Id of the cluster.
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:param is_up: Boolean value to filter based on the cluster's up status.
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:param get_services: If we want to load all services from this cluster.
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:param services_summary: If we want to load num_hosts and
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num_down_hosts fields.
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:param read_deleted: Filtering based on delete status. Default value is
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"no".
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:param name_match_level: 'pool', 'backend', or 'host' for name filter (as
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defined in _filter_host method)
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:param filters: Field based filters in the form of key/value.
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:raise ClusterNotFound: If cluster doesn't exist.
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"""
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return IMPL.cluster_get(context, id, is_up, get_services, services_summary,
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read_deleted, name_match_level, **filters)
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def cluster_get_all(context, is_up=None, get_services=False,
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services_summary=False, read_deleted='no',
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name_match_level=None, **filters):
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"""Get all clusters that match the criteria.
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:param is_up: Boolean value to filter based on the cluster's up status.
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:param get_services: If we want to load all services from this cluster.
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:param services_summary: If we want to load num_hosts and
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num_down_hosts fields.
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:param read_deleted: Filtering based on delete status. Default value is
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"no".
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:param name_match_level: 'pool', 'backend', or 'host' for name filter (as
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defined in _filter_host method)
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:param filters: Field based filters in the form of key/value.
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"""
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return IMPL.cluster_get_all(context, is_up, get_services, services_summary,
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read_deleted, name_match_level, **filters)
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def cluster_create(context, values):
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"""Create a cluster from the values dictionary."""
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return IMPL.cluster_create(context, values)
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def cluster_update(context, id, values):
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"""Set the given properties on an cluster and update it.
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Raises ClusterNotFound if cluster does not exist.
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"""
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return IMPL.cluster_update(context, id, values)
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def cluster_destroy(context, id):
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"""Destroy the cluster or raise if it does not exist or has hosts.
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:raise ClusterNotFound: If cluster doesn't exist.
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"""
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return IMPL.cluster_destroy(context, id)
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###############
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def volume_attach(context, values):
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"""Attach a volume."""
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return IMPL.volume_attach(context, values)
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def volume_attached(context, volume_id, instance_id, host_name, mountpoint,
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attach_mode='rw', mark_attached=True):
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"""Ensure that a volume is set as attached."""
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return IMPL.volume_attached(context, volume_id, instance_id, host_name,
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mountpoint, attach_mode, mark_attached)
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def volume_create(context, values):
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"""Create a volume from the values dictionary."""
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return IMPL.volume_create(context, values)
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def volume_data_get_for_host(context, host, count_only=False):
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"""Get (volume_count, gigabytes) for project."""
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return IMPL.volume_data_get_for_host(context,
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host,
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count_only)
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def volume_data_get_for_project(context, project_id, host=None):
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"""Get (volume_count, gigabytes) for project."""
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return IMPL.volume_data_get_for_project(context, project_id, host=host)
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def volume_destroy(context, volume_id):
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"""Destroy the volume or raise if it does not exist."""
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return IMPL.volume_destroy(context, volume_id)
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def volume_detached(context, volume_id, attachment_id):
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"""Ensure that a volume is set as detached."""
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return IMPL.volume_detached(context, volume_id, attachment_id)
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def volume_get(context, volume_id):
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"""Get a volume or raise if it does not exist."""
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return IMPL.volume_get(context, volume_id)
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def volume_get_all(context, marker=None, limit=None, sort_keys=None,
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sort_dirs=None, filters=None, offset=None):
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"""Get all volumes."""
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return IMPL.volume_get_all(context, marker, limit, sort_keys=sort_keys,
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sort_dirs=sort_dirs, filters=filters,
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offset=offset)
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def calculate_resource_count(context, resource_type, filters):
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return IMPL.calculate_resource_count(context, resource_type, filters)
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def volume_get_all_by_host(context, host, filters=None):
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"""Get all volumes belonging to a host."""
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return IMPL.volume_get_all_by_host(context, host, filters=filters)
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def volume_get_all_by_group(context, group_id, filters=None):
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"""Get all volumes belonging to a consistency group."""
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return IMPL.volume_get_all_by_group(context, group_id, filters=filters)
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def volume_get_all_by_generic_group(context, group_id, filters=None):
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"""Get all volumes belonging to a generic volume group."""
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return IMPL.volume_get_all_by_generic_group(context, group_id,
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filters=filters)
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def volume_get_all_by_project(context, project_id, marker, limit,
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sort_keys=None, sort_dirs=None, filters=None,
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offset=None):
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"""Get all volumes belonging to a project."""
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return IMPL.volume_get_all_by_project(context, project_id, marker, limit,
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sort_keys=sort_keys,
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sort_dirs=sort_dirs,
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filters=filters,
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offset=offset)
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def get_volume_summary(context, project_only, filters=None):
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"""Get volume summary."""
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return IMPL.get_volume_summary(context, project_only, filters)
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def volume_update(context, volume_id, values):
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"""Set the given properties on a volume and update it.
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Raises NotFound if volume does not exist.
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"""
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return IMPL.volume_update(context, volume_id, values)
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def volumes_update(context, values_list):
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"""Set the given properties on a list of volumes and update them.
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Raises NotFound if a volume does not exist.
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"""
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return IMPL.volumes_update(context, values_list)
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def volume_include_in_cluster(context, cluster, partial_rename=True,
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**filters):
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"""Include all volumes matching the filters into a cluster.
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When partial_rename is set we will not set the cluster_name with cluster
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parameter value directly, we'll replace provided cluster_name or host
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filter value with cluster instead.
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This is useful when we want to replace just the cluster name but leave
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the backend and pool information as it is. If we are using cluster_name
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to filter, we'll use that same DB field to replace the cluster value and
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leave the rest as it is. Likewise if we use the host to filter.
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Returns the number of volumes that have been changed.
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"""
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return IMPL.volume_include_in_cluster(context, cluster, partial_rename,
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**filters)
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def volume_attachment_update(context, attachment_id, values):
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return IMPL.volume_attachment_update(context, attachment_id, values)
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def volume_attachment_get(context, attachment_id):
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return IMPL.volume_attachment_get(context, attachment_id)
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def volume_attachment_get_all_by_volume_id(context, volume_id,
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session=None):
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return IMPL.volume_attachment_get_all_by_volume_id(context,
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volume_id,
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session)
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def volume_attachment_get_all_by_host(context, host, filters=None):
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# FIXME(jdg): Not using filters
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return IMPL.volume_attachment_get_all_by_host(context, host)
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def volume_attachment_get_all_by_instance_uuid(context,
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instance_uuid, filters=None):
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# FIXME(jdg): Not using filters
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return IMPL.volume_attachment_get_all_by_instance_uuid(context,
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instance_uuid)
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def volume_attachment_get_all(context, filters=None, marker=None, limit=None,
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offset=None, sort_keys=None, sort_dirs=None):
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return IMPL.volume_attachment_get_all(context, filters, marker, limit,
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offset, sort_keys, sort_dirs)
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def volume_attachment_get_all_by_project(context, project_id, filters=None,
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marker=None, limit=None, offset=None,
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sort_keys=None, sort_dirs=None):
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return IMPL.volume_attachment_get_all_by_project(context, project_id,
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filters, marker, limit,
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offset, sort_keys,
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sort_dirs)
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def attachment_destroy(context, attachment_id):
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"""Destroy the attachment or raise if it does not exist."""
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return IMPL.attachment_destroy(context, attachment_id)
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def volume_update_status_based_on_attachment(context, volume_id):
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"""Update volume status according to attached instance id"""
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return IMPL.volume_update_status_based_on_attachment(context, volume_id)
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def volume_has_snapshots_filter():
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return IMPL.volume_has_snapshots_filter()
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def volume_has_undeletable_snapshots_filter():
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return IMPL.volume_has_undeletable_snapshots_filter()
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def volume_has_snapshots_in_a_cgsnapshot_filter():
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return IMPL.volume_has_snapshots_in_a_cgsnapshot_filter()
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def volume_has_attachments_filter():
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return IMPL.volume_has_attachments_filter()
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def volume_qos_allows_retype(new_vol_type):
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return IMPL.volume_qos_allows_retype(new_vol_type)
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def volume_has_other_project_snp_filter():
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return IMPL.volume_has_other_project_snp_filter()
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####################
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def snapshot_create(context, values):
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"""Create a snapshot from the values dictionary."""
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return IMPL.snapshot_create(context, values)
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def snapshot_destroy(context, snapshot_id):
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"""Destroy the snapshot or raise if it does not exist."""
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return IMPL.snapshot_destroy(context, snapshot_id)
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def snapshot_get(context, snapshot_id):
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"""Get a snapshot or raise if it does not exist."""
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return IMPL.snapshot_get(context, snapshot_id)
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def snapshot_get_all(context, filters=None, marker=None, limit=None,
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sort_keys=None, sort_dirs=None, offset=None):
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"""Get all snapshots."""
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return IMPL.snapshot_get_all(context, filters, marker, limit, sort_keys,
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sort_dirs, offset)
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def snapshot_get_all_by_project(context, project_id, filters=None, marker=None,
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limit=None, sort_keys=None, sort_dirs=None,
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offset=None):
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"""Get all snapshots belonging to a project."""
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return IMPL.snapshot_get_all_by_project(context, project_id, filters,
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marker, limit, sort_keys,
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sort_dirs, offset)
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def snapshot_get_all_by_host(context, host, filters=None):
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"""Get all snapshots belonging to a host.
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:param host: Include include snapshots only for specified host.
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:param filters: Filters for the query in the form of key/value.
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"""
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return IMPL.snapshot_get_all_by_host(context, host, filters)
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def snapshot_get_all_for_cgsnapshot(context, project_id):
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"""Get all snapshots belonging to a cgsnapshot."""
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return IMPL.snapshot_get_all_for_cgsnapshot(context, project_id)
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def snapshot_get_all_for_group_snapshot(context, group_snapshot_id):
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"""Get all snapshots belonging to a group snapshot."""
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return IMPL.snapshot_get_all_for_group_snapshot(context, group_snapshot_id)
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def snapshot_get_all_for_volume(context, volume_id):
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"""Get all snapshots for a volume."""
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return IMPL.snapshot_get_all_for_volume(context, volume_id)
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def snapshot_get_latest_for_volume(context, volume_id):
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"""Get latest snapshot for a volume"""
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return IMPL.snapshot_get_latest_for_volume(context, volume_id)
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def snapshot_update(context, snapshot_id, values):
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"""Set the given properties on an snapshot and update it.
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Raises NotFound if snapshot does not exist.
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"""
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return IMPL.snapshot_update(context, snapshot_id, values)
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def snapshot_data_get_for_project(context, project_id, volume_type_id=None,
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host=None):
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"""Get count and gigabytes used for snapshots for specified project."""
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return IMPL.snapshot_data_get_for_project(context,
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project_id,
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volume_type_id,
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host=host)
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def snapshot_get_all_active_by_window(context, begin, end=None,
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project_id=None):
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"""Get all the snapshots inside the window.
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Specifying a project_id will filter for a certain project.
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"""
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return IMPL.snapshot_get_all_active_by_window(context, begin, end,
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project_id)
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def get_snapshot_summary(context, project_only, filters=None):
|
|
"""Get snapshot summary."""
|
|
return IMPL.get_snapshot_summary(context, project_only, filters)
|
|
|
|
|
|
####################
|
|
|
|
|
|
def snapshot_metadata_get(context, snapshot_id):
|
|
"""Get all metadata for a snapshot."""
|
|
return IMPL.snapshot_metadata_get(context, snapshot_id)
|
|
|
|
|
|
def snapshot_metadata_delete(context, snapshot_id, key):
|
|
"""Delete the given metadata item."""
|
|
return IMPL.snapshot_metadata_delete(context, snapshot_id, key)
|
|
|
|
|
|
def snapshot_metadata_update(context, snapshot_id, metadata, delete):
|
|
"""Update metadata if it exists, otherwise create it."""
|
|
return IMPL.snapshot_metadata_update(context, snapshot_id,
|
|
metadata, delete)
|
|
|
|
|
|
####################
|
|
|
|
|
|
def volume_metadata_get(context, volume_id):
|
|
"""Get all metadata for a volume."""
|
|
return IMPL.volume_metadata_get(context, volume_id)
|
|
|
|
|
|
def volume_metadata_delete(context, volume_id, key,
|
|
meta_type=common.METADATA_TYPES.user):
|
|
"""Delete the given metadata item."""
|
|
return IMPL.volume_metadata_delete(context, volume_id,
|
|
key, meta_type)
|
|
|
|
|
|
def volume_metadata_update(context, volume_id, metadata,
|
|
delete, meta_type=common.METADATA_TYPES.user):
|
|
"""Update metadata if it exists, otherwise create it."""
|
|
return IMPL.volume_metadata_update(context, volume_id, metadata,
|
|
delete, meta_type)
|
|
|
|
|
|
##################
|
|
|
|
|
|
def volume_admin_metadata_get(context, volume_id):
|
|
"""Get all administration metadata for a volume."""
|
|
return IMPL.volume_admin_metadata_get(context, volume_id)
|
|
|
|
|
|
def volume_admin_metadata_delete(context, volume_id, key):
|
|
"""Delete the given metadata item."""
|
|
return IMPL.volume_admin_metadata_delete(context, volume_id, key)
|
|
|
|
|
|
def volume_admin_metadata_update(context, volume_id, metadata, delete,
|
|
add=True, update=True):
|
|
"""Update metadata if it exists, otherwise create it."""
|
|
return IMPL.volume_admin_metadata_update(context, volume_id, metadata,
|
|
delete, add, update)
|
|
|
|
|
|
##################
|
|
|
|
|
|
def volume_type_create(context, values, projects=None):
|
|
"""Create a new volume type."""
|
|
return IMPL.volume_type_create(context, values, projects)
|
|
|
|
|
|
def volume_type_update(context, volume_type_id, values):
|
|
return IMPL.volume_type_update(context, volume_type_id, values)
|
|
|
|
|
|
def volume_type_get_all(context, inactive=False, filters=None, marker=None,
|
|
limit=None, sort_keys=None, sort_dirs=None,
|
|
offset=None, list_result=False):
|
|
"""Get all volume types.
|
|
|
|
:param context: context to query under
|
|
:param inactive: Include inactive volume types to the result set
|
|
:param filters: Filters for the query in the form of key/value.
|
|
:param marker: the last item of the previous page, used to determine the
|
|
next page of results to return
|
|
:param limit: maximum number of items to return
|
|
:param sort_keys: list of attributes by which results should be sorted,
|
|
paired with corresponding item in sort_dirs
|
|
:param sort_dirs: list of directions in which results should be sorted,
|
|
paired with corresponding item in sort_keys
|
|
:param list_result: For compatibility, if list_result = True, return a list
|
|
instead of dict.
|
|
|
|
:is_public: Filter volume types based on visibility:
|
|
|
|
* **True**: List public volume types only
|
|
* **False**: List private volume types only
|
|
* **None**: List both public and private volume types
|
|
|
|
:returns: list/dict of matching volume types
|
|
"""
|
|
|
|
return IMPL.volume_type_get_all(context, inactive, filters, marker=marker,
|
|
limit=limit, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs, offset=offset,
|
|
list_result=list_result)
|
|
|
|
|
|
def volume_type_get(context, id, inactive=False, expected_fields=None):
|
|
"""Get volume type by id.
|
|
|
|
:param context: context to query under
|
|
:param id: Volume type id to get.
|
|
:param inactive: Consider inactive volume types when searching
|
|
:param expected_fields: Return those additional fields.
|
|
Supported fields are: projects.
|
|
:returns: volume type
|
|
"""
|
|
return IMPL.volume_type_get(context, id, inactive, expected_fields)
|
|
|
|
|
|
def volume_type_get_by_name(context, name):
|
|
"""Get volume type by name."""
|
|
return IMPL.volume_type_get_by_name(context, name)
|
|
|
|
|
|
def volume_types_get_by_name_or_id(context, volume_type_list):
|
|
"""Get volume types by name or id."""
|
|
return IMPL.volume_types_get_by_name_or_id(context, volume_type_list)
|
|
|
|
|
|
def volume_type_qos_associations_get(context, qos_specs_id, inactive=False):
|
|
"""Get volume types that are associated with specific qos specs."""
|
|
return IMPL.volume_type_qos_associations_get(context,
|
|
qos_specs_id,
|
|
inactive)
|
|
|
|
|
|
def volume_type_qos_associate(context, type_id, qos_specs_id):
|
|
"""Associate a volume type with specific qos specs."""
|
|
return IMPL.volume_type_qos_associate(context, type_id, qos_specs_id)
|
|
|
|
|
|
def volume_type_qos_disassociate(context, qos_specs_id, type_id):
|
|
"""Disassociate a volume type from specific qos specs."""
|
|
return IMPL.volume_type_qos_disassociate(context, qos_specs_id, type_id)
|
|
|
|
|
|
def volume_type_qos_disassociate_all(context, qos_specs_id):
|
|
"""Disassociate all volume types from specific qos specs."""
|
|
return IMPL.volume_type_qos_disassociate_all(context,
|
|
qos_specs_id)
|
|
|
|
|
|
def volume_type_qos_specs_get(context, type_id):
|
|
"""Get all qos specs for given volume type."""
|
|
return IMPL.volume_type_qos_specs_get(context, type_id)
|
|
|
|
|
|
def volume_type_destroy(context, id):
|
|
"""Delete a volume type."""
|
|
return IMPL.volume_type_destroy(context, id)
|
|
|
|
|
|
def volume_get_all_active_by_window(context, begin, end=None, project_id=None):
|
|
"""Get all the volumes inside the window.
|
|
|
|
Specifying a project_id will filter for a certain project.
|
|
"""
|
|
return IMPL.volume_get_all_active_by_window(context, begin, end,
|
|
project_id)
|
|
|
|
|
|
def volume_type_access_get_all(context, type_id):
|
|
"""Get all volume type access of a volume type."""
|
|
return IMPL.volume_type_access_get_all(context, type_id)
|
|
|
|
|
|
def volume_type_access_add(context, type_id, project_id):
|
|
"""Add volume type access for project."""
|
|
return IMPL.volume_type_access_add(context, type_id, project_id)
|
|
|
|
|
|
def volume_type_access_remove(context, type_id, project_id):
|
|
"""Remove volume type access for project."""
|
|
return IMPL.volume_type_access_remove(context, type_id, project_id)
|
|
|
|
|
|
def project_default_volume_type_set(context, volume_type_id, project_id):
|
|
"""Set default volume type for a project"""
|
|
return IMPL.project_default_volume_type_set(context, volume_type_id,
|
|
project_id)
|
|
|
|
|
|
def project_default_volume_type_get(context, project_id=None):
|
|
"""Get default volume type for a project"""
|
|
return IMPL.project_default_volume_type_get(context, project_id)
|
|
|
|
|
|
def project_default_volume_type_unset(context, project_id):
|
|
"""Unset default volume type for a project (hard delete)"""
|
|
return IMPL.project_default_volume_type_unset(context, project_id)
|
|
|
|
|
|
def get_all_projects_with_default_type(context, volume_type_id):
|
|
"""Get all the projects associated with a default type"""
|
|
return IMPL.get_all_projects_with_default_type(context, volume_type_id)
|
|
|
|
|
|
####################
|
|
|
|
|
|
def group_type_create(context, values, projects=None):
|
|
"""Create a new group type."""
|
|
return IMPL.group_type_create(context, values, projects)
|
|
|
|
|
|
def group_type_update(context, group_type_id, values):
|
|
return IMPL.group_type_update(context, group_type_id, values)
|
|
|
|
|
|
def group_type_get_all(context, inactive=False, filters=None, marker=None,
|
|
limit=None, sort_keys=None, sort_dirs=None,
|
|
offset=None, list_result=False):
|
|
"""Get all group types.
|
|
|
|
:param context: context to query under
|
|
:param inactive: Include inactive group types to the result set
|
|
:param filters: Filters for the query in the form of key/value.
|
|
:param marker: the last item of the previous page, used to determine the
|
|
next page of results to return
|
|
:param limit: maximum number of items to return
|
|
:param sort_keys: list of attributes by which results should be sorted,
|
|
paired with corresponding item in sort_dirs
|
|
:param sort_dirs: list of directions in which results should be sorted,
|
|
paired with corresponding item in sort_keys
|
|
:param list_result: For compatibility, if list_result = True, return a list
|
|
instead of dict.
|
|
|
|
:is_public: Filter group types based on visibility:
|
|
|
|
* **True**: List public group types only
|
|
* **False**: List private group types only
|
|
* **None**: List both public and private group types
|
|
|
|
:returns: list/dict of matching group types
|
|
"""
|
|
|
|
return IMPL.group_type_get_all(context, inactive, filters, marker=marker,
|
|
limit=limit, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs, offset=offset,
|
|
list_result=list_result)
|
|
|
|
|
|
def group_type_get(context, id, inactive=False, expected_fields=None):
|
|
"""Get group type by id.
|
|
|
|
:param context: context to query under
|
|
:param id: Group type id to get.
|
|
:param inactive: Consider inactive group types when searching
|
|
:param expected_fields: Return those additional fields.
|
|
Supported fields are: projects.
|
|
:returns: group type
|
|
"""
|
|
return IMPL.group_type_get(context, id, inactive, expected_fields)
|
|
|
|
|
|
def group_type_get_by_name(context, name):
|
|
"""Get group type by name."""
|
|
return IMPL.group_type_get_by_name(context, name)
|
|
|
|
|
|
def group_types_get_by_name_or_id(context, group_type_list):
|
|
"""Get group types by name or id."""
|
|
return IMPL.group_types_get_by_name_or_id(context, group_type_list)
|
|
|
|
|
|
def group_type_destroy(context, id):
|
|
"""Delete a group type."""
|
|
return IMPL.group_type_destroy(context, id)
|
|
|
|
|
|
def group_type_access_get_all(context, type_id):
|
|
"""Get all group type access of a group type."""
|
|
return IMPL.group_type_access_get_all(context, type_id)
|
|
|
|
|
|
def group_type_access_add(context, type_id, project_id):
|
|
"""Add group type access for project."""
|
|
return IMPL.group_type_access_add(context, type_id, project_id)
|
|
|
|
|
|
def group_type_access_remove(context, type_id, project_id):
|
|
"""Remove group type access for project."""
|
|
return IMPL.group_type_access_remove(context, type_id, project_id)
|
|
|
|
|
|
def volume_type_get_all_by_group(context, group_id):
|
|
"""Get all volumes in a group."""
|
|
return IMPL.volume_type_get_all_by_group(context, group_id)
|
|
|
|
|
|
####################
|
|
|
|
|
|
def volume_type_extra_specs_get(context, volume_type_id):
|
|
"""Get all extra specs for a volume type."""
|
|
return IMPL.volume_type_extra_specs_get(context, volume_type_id)
|
|
|
|
|
|
def volume_type_extra_specs_delete(context, volume_type_id, key):
|
|
"""Delete the given extra specs item."""
|
|
return IMPL.volume_type_extra_specs_delete(context, volume_type_id, key)
|
|
|
|
|
|
def volume_type_extra_specs_update_or_create(context,
|
|
volume_type_id,
|
|
extra_specs):
|
|
"""Create or update volume type extra specs.
|
|
|
|
This adds or modifies the key/value pairs specified in the extra specs dict
|
|
argument.
|
|
"""
|
|
return IMPL.volume_type_extra_specs_update_or_create(context,
|
|
volume_type_id,
|
|
extra_specs)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def group_type_specs_get(context, group_type_id):
|
|
"""Get all group specs for a group type."""
|
|
return IMPL.group_type_specs_get(context, group_type_id)
|
|
|
|
|
|
def group_type_specs_delete(context, group_type_id, key):
|
|
"""Delete the given group specs item."""
|
|
return IMPL.group_type_specs_delete(context, group_type_id, key)
|
|
|
|
|
|
def group_type_specs_update_or_create(context,
|
|
group_type_id,
|
|
group_specs):
|
|
"""Create or update group type specs.
|
|
|
|
This adds or modifies the key/value pairs specified in the group specs dict
|
|
argument.
|
|
"""
|
|
return IMPL.group_type_specs_update_or_create(context,
|
|
group_type_id,
|
|
group_specs)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def volume_type_encryption_get(context, volume_type_id, session=None):
|
|
return IMPL.volume_type_encryption_get(context, volume_type_id, session)
|
|
|
|
|
|
def volume_type_encryption_delete(context, volume_type_id):
|
|
return IMPL.volume_type_encryption_delete(context, volume_type_id)
|
|
|
|
|
|
def volume_type_encryption_create(context, volume_type_id, encryption_specs):
|
|
return IMPL.volume_type_encryption_create(context, volume_type_id,
|
|
encryption_specs)
|
|
|
|
|
|
def volume_type_encryption_update(context, volume_type_id, encryption_specs):
|
|
return IMPL.volume_type_encryption_update(context, volume_type_id,
|
|
encryption_specs)
|
|
|
|
|
|
def volume_type_encryption_volume_get(context, volume_type_id, session=None):
|
|
return IMPL.volume_type_encryption_volume_get(context, volume_type_id,
|
|
session)
|
|
|
|
|
|
def volume_encryption_metadata_get(context, volume_id, session=None):
|
|
return IMPL.volume_encryption_metadata_get(context, volume_id, session)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def qos_specs_create(context, values):
|
|
"""Create a qos_specs."""
|
|
return IMPL.qos_specs_create(context, values)
|
|
|
|
|
|
def qos_specs_get(context, qos_specs_id):
|
|
"""Get all specification for a given qos_specs."""
|
|
return IMPL.qos_specs_get(context, qos_specs_id)
|
|
|
|
|
|
def qos_specs_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
"""Get all qos_specs."""
|
|
return IMPL.qos_specs_get_all(context, filters=filters, marker=marker,
|
|
limit=limit, offset=offset,
|
|
sort_keys=sort_keys, sort_dirs=sort_dirs)
|
|
|
|
|
|
def qos_specs_get_by_name(context, name):
|
|
"""Get all specification for a given qos_specs."""
|
|
return IMPL.qos_specs_get_by_name(context, name)
|
|
|
|
|
|
def qos_specs_associations_get(context, qos_specs_id):
|
|
"""Get all associated volume types for a given qos_specs."""
|
|
return IMPL.qos_specs_associations_get(context, qos_specs_id)
|
|
|
|
|
|
def qos_specs_associate(context, qos_specs_id, type_id):
|
|
"""Associate qos_specs from volume type."""
|
|
return IMPL.qos_specs_associate(context, qos_specs_id, type_id)
|
|
|
|
|
|
def qos_specs_disassociate(context, qos_specs_id, type_id):
|
|
"""Disassociate qos_specs from volume type."""
|
|
return IMPL.qos_specs_disassociate(context, qos_specs_id, type_id)
|
|
|
|
|
|
def qos_specs_disassociate_all(context, qos_specs_id):
|
|
"""Disassociate qos_specs from all entities."""
|
|
return IMPL.qos_specs_disassociate_all(context, qos_specs_id)
|
|
|
|
|
|
def qos_specs_delete(context, qos_specs_id):
|
|
"""Delete the qos_specs."""
|
|
return IMPL.qos_specs_delete(context, qos_specs_id)
|
|
|
|
|
|
def qos_specs_item_delete(context, qos_specs_id, key):
|
|
"""Delete specified key in the qos_specs."""
|
|
return IMPL.qos_specs_item_delete(context, qos_specs_id, key)
|
|
|
|
|
|
def qos_specs_update(context, qos_specs_id, specs):
|
|
"""Update qos specs.
|
|
|
|
This adds or modifies the key/value pairs specified in the
|
|
specs dict argument for a given qos_specs.
|
|
"""
|
|
return IMPL.qos_specs_update(context, qos_specs_id, specs)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def volume_glance_metadata_create(context, volume_id, key, value):
|
|
"""Update the Glance metadata for the specified volume."""
|
|
return IMPL.volume_glance_metadata_create(context,
|
|
volume_id,
|
|
key,
|
|
value)
|
|
|
|
|
|
def volume_glance_metadata_bulk_create(context, volume_id, metadata):
|
|
"""Add Glance metadata for specified volume (multiple pairs)."""
|
|
return IMPL.volume_glance_metadata_bulk_create(context, volume_id,
|
|
metadata)
|
|
|
|
|
|
def volume_glance_metadata_get_all(context):
|
|
"""Return the glance metadata for all volumes."""
|
|
return IMPL.volume_glance_metadata_get_all(context)
|
|
|
|
|
|
def volume_glance_metadata_get(context, volume_id):
|
|
"""Return the glance metadata for a volume."""
|
|
return IMPL.volume_glance_metadata_get(context, volume_id)
|
|
|
|
|
|
def volume_glance_metadata_list_get(context, volume_id_list):
|
|
"""Return the glance metadata for a volume list."""
|
|
return IMPL.volume_glance_metadata_list_get(context, volume_id_list)
|
|
|
|
|
|
def volume_snapshot_glance_metadata_get(context, snapshot_id):
|
|
"""Return the Glance metadata for the specified snapshot."""
|
|
return IMPL.volume_snapshot_glance_metadata_get(context, snapshot_id)
|
|
|
|
|
|
def volume_glance_metadata_copy_to_snapshot(context, snapshot_id, volume_id):
|
|
"""Update the Glance metadata for a snapshot.
|
|
|
|
This will copy all of the key:value pairs from the originating volume,
|
|
to ensure that a volume created from the snapshot will retain the
|
|
original metadata.
|
|
"""
|
|
return IMPL.volume_glance_metadata_copy_to_snapshot(context, snapshot_id,
|
|
volume_id)
|
|
|
|
|
|
def volume_glance_metadata_copy_to_volume(context, volume_id, snapshot_id):
|
|
"""Update the Glance metadata from a volume (created from a snapshot).
|
|
|
|
This will copy all of the key:value pairs from the originating snapshot,
|
|
to ensure that the Glance metadata from the original volume is retained.
|
|
"""
|
|
return IMPL.volume_glance_metadata_copy_to_volume(context, volume_id,
|
|
snapshot_id)
|
|
|
|
|
|
def volume_glance_metadata_delete_by_volume(context, volume_id):
|
|
"""Delete the glance metadata for a volume."""
|
|
return IMPL.volume_glance_metadata_delete_by_volume(context, volume_id)
|
|
|
|
|
|
def volume_glance_metadata_delete_by_snapshot(context, snapshot_id):
|
|
"""Delete the glance metadata for a snapshot."""
|
|
return IMPL.volume_glance_metadata_delete_by_snapshot(context, snapshot_id)
|
|
|
|
|
|
def volume_glance_metadata_copy_from_volume_to_volume(context,
|
|
src_volume_id,
|
|
volume_id):
|
|
"""Update the Glance metadata for a volume.
|
|
|
|
Update the Glance metadata for a volume by copying all of the key:value
|
|
pairs from the originating volume.
|
|
|
|
This is so that a volume created from the volume (clone) will retain the
|
|
original metadata.
|
|
"""
|
|
return IMPL.volume_glance_metadata_copy_from_volume_to_volume(
|
|
context,
|
|
src_volume_id,
|
|
volume_id)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def quota_create(context, project_id, resource, limit):
|
|
"""Create a quota for the given project and resource."""
|
|
return IMPL.quota_create(context, project_id, resource, limit)
|
|
|
|
|
|
def quota_get(context, project_id, resource):
|
|
"""Retrieve a quota or raise if it does not exist."""
|
|
return IMPL.quota_get(context, project_id, resource)
|
|
|
|
|
|
def quota_get_all_by_project(context, project_id):
|
|
"""Retrieve all quotas associated with a given project."""
|
|
return IMPL.quota_get_all_by_project(context, project_id)
|
|
|
|
|
|
def quota_update(context, project_id, resource, limit):
|
|
"""Update a quota or raise if it does not exist."""
|
|
return IMPL.quota_update(context, project_id, resource, limit)
|
|
|
|
|
|
def quota_update_resource(context, old_res, new_res):
|
|
"""Update resource of quotas."""
|
|
return IMPL.quota_update_resource(context, old_res, new_res)
|
|
|
|
|
|
def quota_destroy(context, project_id, resource):
|
|
"""Destroy the quota or raise if it does not exist."""
|
|
return IMPL.quota_destroy(context, project_id, resource)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def quota_class_create(context, class_name, resource, limit):
|
|
"""Create a quota class for the given name and resource."""
|
|
return IMPL.quota_class_create(context, class_name, resource, limit)
|
|
|
|
|
|
def quota_class_get(context, class_name, resource):
|
|
"""Retrieve a quota class or raise if it does not exist."""
|
|
return IMPL.quota_class_get(context, class_name, resource)
|
|
|
|
|
|
def quota_class_get_defaults(context):
|
|
"""Retrieve all default quotas."""
|
|
return IMPL.quota_class_get_defaults(context)
|
|
|
|
|
|
def quota_class_get_all_by_name(context, class_name):
|
|
"""Retrieve all quotas associated with a given quota class."""
|
|
return IMPL.quota_class_get_all_by_name(context, class_name)
|
|
|
|
|
|
def quota_class_update(context, class_name, resource, limit):
|
|
"""Update a quota class or raise if it does not exist."""
|
|
return IMPL.quota_class_update(context, class_name, resource, limit)
|
|
|
|
|
|
def quota_class_update_resource(context, resource, new_resource):
|
|
"""Update resource name in quota_class."""
|
|
return IMPL.quota_class_update_resource(context, resource, new_resource)
|
|
|
|
|
|
def quota_class_destroy(context, class_name, resource):
|
|
"""Destroy the quota class or raise if it does not exist."""
|
|
return IMPL.quota_class_destroy(context, class_name, resource)
|
|
|
|
|
|
def quota_class_destroy_all_by_name(context, class_name):
|
|
"""Destroy all quotas associated with a given quota class."""
|
|
return IMPL.quota_class_destroy_all_by_name(context, class_name)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def quota_usage_get(context, project_id, resource):
|
|
"""Retrieve a quota usage or raise if it does not exist."""
|
|
return IMPL.quota_usage_get(context, project_id, resource)
|
|
|
|
|
|
def quota_usage_get_all_by_project(context, project_id):
|
|
"""Retrieve all usage associated with a given resource."""
|
|
return IMPL.quota_usage_get_all_by_project(context, project_id)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def quota_reserve(context, resources, quotas, deltas, expire,
|
|
until_refresh, max_age, project_id=None):
|
|
"""Check quotas and create appropriate reservations."""
|
|
return IMPL.quota_reserve(context, resources, quotas, deltas, expire,
|
|
until_refresh, max_age, project_id=project_id)
|
|
|
|
|
|
def reservation_commit(context, reservations, project_id=None):
|
|
"""Commit quota reservations."""
|
|
return IMPL.reservation_commit(context, reservations,
|
|
project_id=project_id)
|
|
|
|
|
|
def reservation_rollback(context, reservations, project_id=None):
|
|
"""Roll back quota reservations."""
|
|
return IMPL.reservation_rollback(context, reservations,
|
|
project_id=project_id)
|
|
|
|
|
|
def quota_destroy_by_project(context, project_id):
|
|
"""Destroy all quotas associated with a given project."""
|
|
return IMPL.quota_destroy_by_project(context, project_id)
|
|
|
|
|
|
def reservation_expire(context):
|
|
"""Roll back any expired reservations."""
|
|
return IMPL.reservation_expire(context)
|
|
|
|
|
|
def quota_usage_update_resource(context, old_res, new_res):
|
|
"""Update resource field in quota_usages."""
|
|
return IMPL.quota_usage_update_resource(context, old_res, new_res)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def backup_get(context, backup_id, read_deleted=None, project_only=True):
|
|
"""Get a backup or raise if it does not exist."""
|
|
return IMPL.backup_get(context, backup_id, read_deleted, project_only)
|
|
|
|
|
|
def backup_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
"""Get all backups."""
|
|
return IMPL.backup_get_all(context, filters=filters, marker=marker,
|
|
limit=limit, offset=offset, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def backup_get_all_by_host(context, host):
|
|
"""Get all backups belonging to a host."""
|
|
return IMPL.backup_get_all_by_host(context, host)
|
|
|
|
|
|
def backup_create(context, values):
|
|
"""Create a backup from the values dictionary."""
|
|
return IMPL.backup_create(context, values)
|
|
|
|
|
|
def backup_metadata_get(context, backup_id):
|
|
return IMPL.backup_metadata_get(context, backup_id)
|
|
|
|
|
|
def backup_metadata_update(context, backup_id, metadata, delete):
|
|
return IMPL.backup_metadata_update(context, backup_id, metadata, delete)
|
|
|
|
|
|
def backup_get_all_by_project(context, project_id, filters=None, marker=None,
|
|
limit=None, offset=None, sort_keys=None,
|
|
sort_dirs=None):
|
|
"""Get all backups belonging to a project."""
|
|
return IMPL.backup_get_all_by_project(context, project_id,
|
|
filters=filters, marker=marker,
|
|
limit=limit, offset=offset,
|
|
sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def backup_get_all_by_volume(context, volume_id, vol_project_id, filters=None):
|
|
"""Get all backups belonging to a volume."""
|
|
return IMPL.backup_get_all_by_volume(context, volume_id, vol_project_id,
|
|
filters=filters)
|
|
|
|
|
|
def backup_get_all_active_by_window(context, begin, end=None, project_id=None):
|
|
"""Get all the backups inside the window.
|
|
|
|
Specifying a project_id will filter for a certain project.
|
|
"""
|
|
return IMPL.backup_get_all_active_by_window(context, begin, end,
|
|
project_id)
|
|
|
|
|
|
def backup_update(context, backup_id, values):
|
|
"""Set the given properties on a backup and update it.
|
|
|
|
Raises NotFound if backup does not exist.
|
|
"""
|
|
return IMPL.backup_update(context, backup_id, values)
|
|
|
|
|
|
def backup_destroy(context, backup_id):
|
|
"""Destroy the backup or raise if it does not exist."""
|
|
return IMPL.backup_destroy(context, backup_id)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def transfer_get(context, transfer_id):
|
|
"""Get a volume transfer record or raise if it does not exist."""
|
|
return IMPL.transfer_get(context, transfer_id)
|
|
|
|
|
|
def transfer_get_all(context, marker=None, limit=None, sort_keys=None,
|
|
sort_dirs=None, filters=None, offset=None):
|
|
"""Get all volume transfer records."""
|
|
return IMPL.transfer_get_all(context, marker=marker, limit=limit,
|
|
sort_keys=sort_keys, sort_dirs=sort_dirs,
|
|
filters=filters, offset=offset)
|
|
|
|
|
|
def transfer_get_all_by_project(context, project_id, marker=None,
|
|
limit=None, sort_keys=None,
|
|
sort_dirs=None, filters=None, offset=None):
|
|
"""Get all volume transfer records for specified project."""
|
|
return IMPL.transfer_get_all_by_project(context, project_id, marker=marker,
|
|
limit=limit, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs,
|
|
filters=filters, offset=offset)
|
|
|
|
|
|
def transfer_create(context, values):
|
|
"""Create an entry in the transfers table."""
|
|
return IMPL.transfer_create(context, values)
|
|
|
|
|
|
def transfer_destroy(context, transfer_id):
|
|
"""Destroy a record in the volume transfer table."""
|
|
return IMPL.transfer_destroy(context, transfer_id)
|
|
|
|
|
|
def transfer_accept(context, transfer_id, user_id, project_id,
|
|
no_snapshots=False):
|
|
"""Accept a volume transfer."""
|
|
return IMPL.transfer_accept(context, transfer_id, user_id, project_id,
|
|
no_snapshots=no_snapshots)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def consistencygroup_get(context, consistencygroup_id):
|
|
"""Get a consistencygroup or raise if it does not exist."""
|
|
return IMPL.consistencygroup_get(context, consistencygroup_id)
|
|
|
|
|
|
def consistencygroup_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
"""Get all consistencygroups."""
|
|
return IMPL.consistencygroup_get_all(context, filters=filters,
|
|
marker=marker, limit=limit,
|
|
offset=offset, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def consistencygroup_create(context, values, cg_snap_id=None, cg_id=None):
|
|
"""Create a consistencygroup from the values dictionary."""
|
|
return IMPL.consistencygroup_create(context, values, cg_snap_id, cg_id)
|
|
|
|
|
|
def consistencygroup_get_all_by_project(context, project_id, filters=None,
|
|
marker=None, limit=None, offset=None,
|
|
sort_keys=None, sort_dirs=None):
|
|
"""Get all consistencygroups belonging to a project."""
|
|
return IMPL.consistencygroup_get_all_by_project(context, project_id,
|
|
filters=filters,
|
|
marker=marker, limit=limit,
|
|
offset=offset,
|
|
sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def consistencygroup_update(context, consistencygroup_id, values):
|
|
"""Set the given properties on a consistencygroup and update it.
|
|
|
|
Raises NotFound if consistencygroup does not exist.
|
|
"""
|
|
return IMPL.consistencygroup_update(context, consistencygroup_id, values)
|
|
|
|
|
|
def consistencygroup_destroy(context, consistencygroup_id):
|
|
"""Destroy the consistencygroup or raise if it does not exist."""
|
|
return IMPL.consistencygroup_destroy(context, consistencygroup_id)
|
|
|
|
|
|
def cg_has_cgsnapshot_filter():
|
|
"""Return a filter that checks if a CG has CG Snapshots."""
|
|
return IMPL.cg_has_cgsnapshot_filter()
|
|
|
|
|
|
def cg_has_volumes_filter(attached_or_with_snapshots=False):
|
|
"""Return a filter to check if a CG has volumes.
|
|
|
|
When attached_or_with_snapshots parameter is given a True value only
|
|
attached volumes or those with snapshots will be considered.
|
|
"""
|
|
return IMPL.cg_has_volumes_filter(attached_or_with_snapshots)
|
|
|
|
|
|
def cg_creating_from_src(cg_id=None, cgsnapshot_id=None):
|
|
"""Return a filter to check if a CG is being used as creation source.
|
|
|
|
Returned filter is meant to be used in the Conditional Update mechanism and
|
|
checks if provided CG ID or CG Snapshot ID is currently being used to
|
|
create another CG.
|
|
|
|
This filter will not include CGs that have used the ID but have already
|
|
finished their creation (status is no longer creating).
|
|
|
|
Filter uses a subquery that allows it to be used on updates to the
|
|
consistencygroups table.
|
|
"""
|
|
return IMPL.cg_creating_from_src(cg_id, cgsnapshot_id)
|
|
|
|
|
|
def consistencygroup_include_in_cluster(context, cluster, partial_rename=True,
|
|
**filters):
|
|
"""Include all consistency groups matching the filters into a cluster.
|
|
|
|
When partial_rename is set we will not set the cluster_name with cluster
|
|
parameter value directly, we'll replace provided cluster_name or host
|
|
filter value with cluster instead.
|
|
|
|
This is useful when we want to replace just the cluster name but leave
|
|
the backend and pool information as it is. If we are using cluster_name
|
|
to filter, we'll use that same DB field to replace the cluster value and
|
|
leave the rest as it is. Likewise if we use the host to filter.
|
|
|
|
Returns the number of consistency groups that have been changed.
|
|
"""
|
|
return IMPL.consistencygroup_include_in_cluster(context, cluster,
|
|
partial_rename,
|
|
**filters)
|
|
|
|
|
|
def group_include_in_cluster(context, cluster, partial_rename=True, **filters):
|
|
"""Include all generic groups matching the filters into a cluster.
|
|
|
|
When partial_rename is set we will not set the cluster_name with cluster
|
|
parameter value directly, we'll replace provided cluster_name or host
|
|
filter value with cluster instead.
|
|
|
|
This is useful when we want to replace just the cluster name but leave
|
|
the backend and pool information as it is. If we are using cluster_name
|
|
to filter, we'll use that same DB field to replace the cluster value and
|
|
leave the rest as it is. Likewise if we use the host to filter.
|
|
|
|
Returns the number of generic groups that have been changed.
|
|
"""
|
|
return IMPL.group_include_in_cluster(context, cluster, partial_rename,
|
|
**filters)
|
|
|
|
###################
|
|
|
|
|
|
def group_get(context, group_id):
|
|
"""Get a group or raise if it does not exist."""
|
|
return IMPL.group_get(context, group_id)
|
|
|
|
|
|
def group_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
"""Get all groups."""
|
|
return IMPL.group_get_all(context, filters=filters,
|
|
marker=marker, limit=limit,
|
|
offset=offset, sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def group_create(context, values, group_snapshot_id=None, group_id=None):
|
|
"""Create a group from the values dictionary."""
|
|
return IMPL.group_create(context, values, group_snapshot_id, group_id)
|
|
|
|
|
|
def group_get_all_by_project(context, project_id, filters=None,
|
|
marker=None, limit=None, offset=None,
|
|
sort_keys=None, sort_dirs=None):
|
|
"""Get all groups belonging to a project."""
|
|
return IMPL.group_get_all_by_project(context, project_id,
|
|
filters=filters,
|
|
marker=marker, limit=limit,
|
|
offset=offset,
|
|
sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs)
|
|
|
|
|
|
def group_update(context, group_id, values):
|
|
"""Set the given properties on a group and update it.
|
|
|
|
Raises NotFound if group does not exist.
|
|
"""
|
|
return IMPL.group_update(context, group_id, values)
|
|
|
|
|
|
def group_destroy(context, group_id):
|
|
"""Destroy the group or raise if it does not exist."""
|
|
return IMPL.group_destroy(context, group_id)
|
|
|
|
|
|
def group_has_group_snapshot_filter():
|
|
"""Return a filter that checks if a Group has Group Snapshots."""
|
|
return IMPL.group_has_group_snapshot_filter()
|
|
|
|
|
|
def group_has_volumes_filter(attached_or_with_snapshots=False):
|
|
"""Return a filter to check if a Group has volumes.
|
|
|
|
When attached_or_with_snapshots parameter is given a True value only
|
|
attached volumes or those with snapshots will be considered.
|
|
"""
|
|
return IMPL.group_has_volumes_filter(attached_or_with_snapshots)
|
|
|
|
|
|
def group_creating_from_src(group_id=None, group_snapshot_id=None):
|
|
"""Return a filter to check if a Group is being used as creation source.
|
|
|
|
Returned filter is meant to be used in the Conditional Update mechanism and
|
|
checks if provided Group ID or Group Snapshot ID is currently being used to
|
|
create another Group.
|
|
|
|
This filter will not include Groups that have used the ID but have already
|
|
finished their creation (status is no longer creating).
|
|
|
|
Filter uses a subquery that allows it to be used on updates to the
|
|
groups table.
|
|
"""
|
|
return IMPL.group_creating_from_src(group_id, group_snapshot_id)
|
|
|
|
|
|
def group_volume_type_mapping_create(context, group_id, volume_type_id):
|
|
"""Create a group volume_type mapping entry."""
|
|
return IMPL.group_volume_type_mapping_create(context, group_id,
|
|
volume_type_id)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def cgsnapshot_get(context, cgsnapshot_id):
|
|
"""Get a cgsnapshot or raise if it does not exist."""
|
|
return IMPL.cgsnapshot_get(context, cgsnapshot_id)
|
|
|
|
|
|
def cgsnapshot_get_all(context, filters=None):
|
|
"""Get all cgsnapshots."""
|
|
return IMPL.cgsnapshot_get_all(context, filters)
|
|
|
|
|
|
def cgsnapshot_create(context, values):
|
|
"""Create a cgsnapshot from the values dictionary."""
|
|
return IMPL.cgsnapshot_create(context, values)
|
|
|
|
|
|
def cgsnapshot_get_all_by_group(context, group_id, filters=None):
|
|
"""Get all cgsnapshots belonging to a consistency group."""
|
|
return IMPL.cgsnapshot_get_all_by_group(context, group_id, filters)
|
|
|
|
|
|
def cgsnapshot_get_all_by_project(context, project_id, filters=None):
|
|
"""Get all cgsnapshots belonging to a project."""
|
|
return IMPL.cgsnapshot_get_all_by_project(context, project_id, filters)
|
|
|
|
|
|
def cgsnapshot_update(context, cgsnapshot_id, values):
|
|
"""Set the given properties on a cgsnapshot and update it.
|
|
|
|
Raises NotFound if cgsnapshot does not exist.
|
|
"""
|
|
return IMPL.cgsnapshot_update(context, cgsnapshot_id, values)
|
|
|
|
|
|
def cgsnapshot_destroy(context, cgsnapshot_id):
|
|
"""Destroy the cgsnapshot or raise if it does not exist."""
|
|
return IMPL.cgsnapshot_destroy(context, cgsnapshot_id)
|
|
|
|
|
|
def cgsnapshot_creating_from_src():
|
|
"""Get a filter that checks if a CGSnapshot is being created from a CG."""
|
|
return IMPL.cgsnapshot_creating_from_src()
|
|
|
|
|
|
###################
|
|
|
|
|
|
def group_snapshot_get(context, group_snapshot_id):
|
|
"""Get a group snapshot or raise if it does not exist."""
|
|
return IMPL.group_snapshot_get(context, group_snapshot_id)
|
|
|
|
|
|
def group_snapshot_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
"""Get all group snapshots."""
|
|
return IMPL.group_snapshot_get_all(context, filters, marker, limit,
|
|
offset, sort_keys, sort_dirs)
|
|
|
|
|
|
def group_snapshot_create(context, values):
|
|
"""Create a group snapshot from the values dictionary."""
|
|
return IMPL.group_snapshot_create(context, values)
|
|
|
|
|
|
def group_snapshot_get_all_by_group(context, group_id, filters=None,
|
|
marker=None, limit=None,
|
|
offset=None, sort_keys=None,
|
|
sort_dirs=None):
|
|
"""Get all group snapshots belonging to a group."""
|
|
return IMPL.group_snapshot_get_all_by_group(context, group_id,
|
|
filters, marker, limit,
|
|
offset, sort_keys, sort_dirs)
|
|
|
|
|
|
def group_snapshot_get_all_by_project(context, project_id, filters=None,
|
|
marker=None, limit=None,
|
|
offset=None, sort_keys=None,
|
|
sort_dirs=None):
|
|
"""Get all group snapshots belonging to a project."""
|
|
return IMPL.group_snapshot_get_all_by_project(context, project_id,
|
|
filters, marker, limit,
|
|
offset, sort_keys, sort_dirs)
|
|
|
|
|
|
def group_snapshot_update(context, group_snapshot_id, values):
|
|
"""Set the given properties on a group snapshot and update it.
|
|
|
|
Raises NotFound if group snapshot does not exist.
|
|
"""
|
|
return IMPL.group_snapshot_update(context, group_snapshot_id, values)
|
|
|
|
|
|
def group_snapshot_destroy(context, group_snapshot_id):
|
|
"""Destroy the group snapshot or raise if it does not exist."""
|
|
return IMPL.group_snapshot_destroy(context, group_snapshot_id)
|
|
|
|
|
|
def group_snapshot_creating_from_src():
|
|
"""Get a filter to check if a grp snapshot is being created from a grp."""
|
|
return IMPL.group_snapshot_creating_from_src()
|
|
|
|
|
|
###################
|
|
|
|
|
|
def purge_deleted_rows(context, age_in_days):
|
|
"""Purge deleted rows older than given age from cinder tables
|
|
|
|
Raises InvalidParameterValue if age_in_days is incorrect.
|
|
:returns: number of deleted rows
|
|
"""
|
|
return IMPL.purge_deleted_rows(context, age_in_days=age_in_days)
|
|
|
|
|
|
def get_booleans_for_table(table_name):
|
|
return IMPL.get_booleans_for_table(table_name)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def reset_active_backend(context, enable_replication, active_backend_id,
|
|
backend_host):
|
|
"""Reset the active backend for a host."""
|
|
return IMPL.reset_active_backend(context, enable_replication,
|
|
active_backend_id, backend_host)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def driver_initiator_data_insert_by_key(context, initiator,
|
|
namespace, key, value):
|
|
"""Updates DriverInitiatorData entry.
|
|
|
|
Sets the value for the specified key within the namespace.
|
|
|
|
If the entry already exists return False, if it inserted successfully
|
|
return True.
|
|
"""
|
|
return IMPL.driver_initiator_data_insert_by_key(context,
|
|
initiator,
|
|
namespace,
|
|
key,
|
|
value)
|
|
|
|
|
|
def driver_initiator_data_get(context, initiator, namespace):
|
|
"""Query for an DriverInitiatorData that has the specified key"""
|
|
return IMPL.driver_initiator_data_get(context, initiator, namespace)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def image_volume_cache_create(context, host, cluster_name, image_id,
|
|
image_updated_at, volume_id, size):
|
|
"""Create a new image volume cache entry."""
|
|
return IMPL.image_volume_cache_create(context,
|
|
host,
|
|
cluster_name,
|
|
image_id,
|
|
image_updated_at,
|
|
volume_id,
|
|
size)
|
|
|
|
|
|
def image_volume_cache_delete(context, volume_id):
|
|
"""Delete an image volume cache entry specified by volume id."""
|
|
return IMPL.image_volume_cache_delete(context, volume_id)
|
|
|
|
|
|
def image_volume_cache_get_and_update_last_used(context, image_id, **filters):
|
|
"""Query for an image volume cache entry."""
|
|
return IMPL.image_volume_cache_get_and_update_last_used(context,
|
|
image_id,
|
|
**filters)
|
|
|
|
|
|
def image_volume_cache_get_by_volume_id(context, volume_id):
|
|
"""Query to see if a volume id is an image-volume contained in the cache"""
|
|
return IMPL.image_volume_cache_get_by_volume_id(context, volume_id)
|
|
|
|
|
|
def image_volume_cache_get_all(context, **filters):
|
|
"""Query for all image volume cache entry for a host."""
|
|
return IMPL.image_volume_cache_get_all(context, **filters)
|
|
|
|
|
|
def image_volume_cache_include_in_cluster(context, cluster,
|
|
partial_rename=True, **filters):
|
|
"""Include in cluster image volume cache entries matching the filters.
|
|
|
|
When partial_rename is set we will not set the cluster_name with cluster
|
|
parameter value directly, we'll replace provided cluster_name or host
|
|
filter value with cluster instead.
|
|
|
|
This is useful when we want to replace just the cluster name but leave
|
|
the backend and pool information as it is. If we are using cluster_name
|
|
to filter, we'll use that same DB field to replace the cluster value and
|
|
leave the rest as it is. Likewise if we use the host to filter.
|
|
|
|
Returns the number of volumes that have been changed.
|
|
"""
|
|
return IMPL.image_volume_cache_include_in_cluster(
|
|
context, cluster, partial_rename, **filters)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def message_get(context, message_id):
|
|
"""Return a message with the specified ID."""
|
|
return IMPL.message_get(context, message_id)
|
|
|
|
|
|
def message_get_all(context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
return IMPL.message_get_all(context, filters=filters, marker=marker,
|
|
limit=limit, offset=offset,
|
|
sort_keys=sort_keys, sort_dirs=sort_dirs)
|
|
|
|
|
|
def message_create(context, values):
|
|
"""Creates a new message with the specified values."""
|
|
return IMPL.message_create(context, values)
|
|
|
|
|
|
def message_destroy(context, message_id):
|
|
"""Deletes message with the specified ID."""
|
|
return IMPL.message_destroy(context, message_id)
|
|
|
|
|
|
def cleanup_expired_messages(context):
|
|
"""Soft delete expired messages"""
|
|
return IMPL.cleanup_expired_messages(context)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def workers_init():
|
|
"""Check if DB supports subsecond resolution and set global flag.
|
|
|
|
MySQL 5.5 doesn't support subsecond resolution in datetime fields, so we
|
|
have to take it into account when working with the worker's table.
|
|
|
|
Once we drop support for MySQL 5.5 we can remove this method.
|
|
"""
|
|
return IMPL.workers_init()
|
|
|
|
|
|
def worker_create(context, **values):
|
|
"""Create a worker entry from optional arguments."""
|
|
return IMPL.worker_create(context, **values)
|
|
|
|
|
|
def worker_get(context, **filters):
|
|
"""Get a worker or raise exception if it does not exist."""
|
|
return IMPL.worker_get(context, **filters)
|
|
|
|
|
|
def worker_get_all(context, until=None, db_filters=None, **filters):
|
|
"""Get all workers that match given criteria."""
|
|
return IMPL.worker_get_all(context, until=until, db_filters=db_filters,
|
|
**filters)
|
|
|
|
|
|
def worker_update(context, id, filters=None, orm_worker=None, **values):
|
|
"""Update a worker with given values."""
|
|
return IMPL.worker_update(context, id, filters=filters,
|
|
orm_worker=orm_worker, **values)
|
|
|
|
|
|
def worker_claim_for_cleanup(context, claimer_id, orm_worker):
|
|
"""Soft delete a worker, change the service_id and update the worker."""
|
|
return IMPL.worker_claim_for_cleanup(context, claimer_id, orm_worker)
|
|
|
|
|
|
def worker_destroy(context, **filters):
|
|
"""Delete a worker (no soft delete)."""
|
|
return IMPL.worker_destroy(context, **filters)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def resource_exists(context, model, resource_id):
|
|
return IMPL.resource_exists(context, model, resource_id)
|
|
|
|
|
|
def get_model_for_versioned_object(versioned_object):
|
|
return IMPL.get_model_for_versioned_object(versioned_object)
|
|
|
|
|
|
def get_by_id(context, model, id, *args, **kwargs):
|
|
return IMPL.get_by_id(context, model, id, *args, **kwargs)
|
|
|
|
|
|
class Condition(object):
|
|
"""Class for normal condition values for conditional_update."""
|
|
def __init__(self, value, field=None):
|
|
self.value = value
|
|
# Field is optional and can be passed when getting the filter
|
|
self.field = field
|
|
|
|
def get_filter(self, model, field=None):
|
|
return IMPL.condition_db_filter(model, self._get_field(field),
|
|
self.value)
|
|
|
|
def _get_field(self, field=None):
|
|
# We must have a defined field on initialization or when called
|
|
field = field or self.field
|
|
if not field:
|
|
raise ValueError(_('Condition has no field.'))
|
|
return field
|
|
|
|
###################
|
|
|
|
|
|
def attachment_specs_exist(context):
|
|
"""Check if there are attachment specs left."""
|
|
return IMPL.attachment_specs_exist(context)
|
|
|
|
|
|
def attachment_specs_get(context, attachment_id):
|
|
"""DEPRECATED: Get all specs for an attachment."""
|
|
return IMPL.attachment_specs_get(context, attachment_id)
|
|
|
|
|
|
def attachment_specs_delete(context, attachment_id, key):
|
|
"""DEPRECATED: Delete the given attachment specs item."""
|
|
return IMPL.attachment_specs_delete(context, attachment_id, key)
|
|
|
|
|
|
def attachment_specs_update_or_create(context,
|
|
attachment_id,
|
|
specs):
|
|
"""DEPRECATED: Create or update attachment specs.
|
|
|
|
This adds or modifies the key/value pairs specified in the attachment
|
|
specs dict argument.
|
|
"""
|
|
return IMPL.attachment_specs_update_or_create(context,
|
|
attachment_id,
|
|
specs)
|
|
|
|
|
|
###################
|
|
|
|
|
|
class Not(Condition):
|
|
"""Class for negated condition values for conditional_update.
|
|
|
|
By default NULL values will be treated like Python treats None instead of
|
|
how SQL treats it.
|
|
|
|
So for example when values are (1, 2) it will evaluate to True when we have
|
|
value 3 or NULL, instead of only with 3 like SQL does.
|
|
"""
|
|
def __init__(self, value, field=None, auto_none=True):
|
|
super(Not, self).__init__(value, field)
|
|
self.auto_none = auto_none
|
|
|
|
def get_filter(self, model, field=None):
|
|
# If implementation has a specific method use it
|
|
if hasattr(IMPL, 'condition_not_db_filter'):
|
|
return IMPL.condition_not_db_filter(model, self._get_field(field),
|
|
self.value, self.auto_none)
|
|
|
|
# Otherwise non negated object must adming ~ operator for not
|
|
return ~super(Not, self).get_filter(model, field)
|
|
|
|
|
|
class Case(object):
|
|
"""Class for conditional value selection for conditional_update."""
|
|
def __init__(self, whens, value=None, else_=None):
|
|
self.whens = whens
|
|
self.value = value
|
|
self.else_ = else_
|
|
|
|
|
|
def is_orm_value(obj):
|
|
"""Check if object is an ORM field."""
|
|
return IMPL.is_orm_value(obj)
|
|
|
|
|
|
def conditional_update(context, model, values, expected_values, filters=(),
|
|
include_deleted='no', project_only=False, order=None):
|
|
"""Compare-and-swap conditional update.
|
|
|
|
Update will only occur in the DB if conditions are met.
|
|
|
|
We have 4 different condition types we can use in expected_values:
|
|
- Equality: {'status': 'available'}
|
|
- Inequality: {'status': vol_obj.Not('deleting')}
|
|
- In range: {'status': ['available', 'error']
|
|
- Not in range: {'status': vol_obj.Not(['in-use', 'attaching'])
|
|
|
|
Method accepts additional filters, which are basically anything that can be
|
|
passed to a sqlalchemy query's filter method, for example:
|
|
|
|
.. code-block:: python
|
|
|
|
[~sql.exists().where(models.Volume.id == models.Snapshot.volume_id)]
|
|
|
|
We can select values based on conditions using Case objects in the 'values'
|
|
argument. For example:
|
|
|
|
.. code-block:: python
|
|
|
|
has_snapshot_filter = sql.exists().where(
|
|
models.Snapshot.volume_id == models.Volume.id)
|
|
case_values = db.Case([(has_snapshot_filter, 'has-snapshot')],
|
|
else_='no-snapshot')
|
|
db.conditional_update(context, models.Volume, {'status': case_values},
|
|
{'status': 'available'})
|
|
|
|
And we can use DB fields for example to store previous status in the
|
|
corresponding field even though we don't know which value is in the db from
|
|
those we allowed:
|
|
|
|
.. code-block:: python
|
|
|
|
db.conditional_update(context, models.Volume,
|
|
{'status': 'deleting',
|
|
'previous_status': models.Volume.status},
|
|
{'status': ('available', 'error')})
|
|
|
|
:param values: Dictionary of key-values to update in the DB.
|
|
:param expected_values: Dictionary of conditions that must be met for the
|
|
update to be executed.
|
|
:param filters: Iterable with additional filters.
|
|
:param include_deleted: Should the update include deleted items, this is
|
|
equivalent to read_deleted.
|
|
:param project_only: Should the query be limited to context's project.
|
|
:param order: Specific order of fields in which to update the values
|
|
:returns: Number of db rows that were updated.
|
|
"""
|
|
return IMPL.conditional_update(context, model, values, expected_values,
|
|
filters, include_deleted, project_only,
|
|
order)
|