1921 lines
82 KiB
Python
1921 lines
82 KiB
Python
# 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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# Copyright (c) 2015 Tom Barron. All rights reserved.
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# Copyright (c) 2015 Mirantis Inc.
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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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"""
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Handles all requests relating to shares.
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"""
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from oslo_config import cfg
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from oslo_log import log
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from oslo_utils import excutils
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from oslo_utils import strutils
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from oslo_utils import timeutils
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import six
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from manila.api import extensions
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from manila.common import constants
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from manila.data import rpcapi as data_rpcapi
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from manila.db import base
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from manila import exception
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from manila.i18n import _, _LE, _LI, _LW
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from manila import policy
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from manila import quota
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from manila.scheduler import rpcapi as scheduler_rpcapi
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from manila.share import access
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from manila.share import rpcapi as share_rpcapi
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from manila.share import share_types
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from manila.share import utils as share_utils
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from manila import utils
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share_api_opts = [
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cfg.BoolOpt('use_scheduler_creating_share_from_snapshot',
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default=False,
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help='If set to False, then share creation from snapshot will '
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'be performed on the same host. '
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'If set to True, then scheduling step will be used.')
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]
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CONF = cfg.CONF
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CONF.register_opts(share_api_opts)
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LOG = log.getLogger(__name__)
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GB = 1048576 * 1024
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QUOTAS = quota.QUOTAS
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class API(base.Base):
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"""API for interacting with the share manager."""
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def __init__(self, db_driver=None):
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super(API, self).__init__(db_driver)
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self.scheduler_rpcapi = scheduler_rpcapi.SchedulerAPI()
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self.share_rpcapi = share_rpcapi.ShareAPI()
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self.access_helper = access.ShareInstanceAccess(self.db, None)
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def create(self, context, share_proto, size, name, description,
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snapshot_id=None, availability_zone=None, metadata=None,
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share_network_id=None, share_type=None, is_public=False,
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share_group_id=None, share_group_snapshot_member=None):
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"""Create new share."""
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policy.check_policy(context, 'share', 'create')
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self._check_metadata_properties(context, metadata)
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if snapshot_id is not None:
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snapshot = self.get_snapshot(context, snapshot_id)
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if snapshot['aggregate_status'] != constants.STATUS_AVAILABLE:
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msg = _("status must be '%s'") % constants.STATUS_AVAILABLE
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raise exception.InvalidShareSnapshot(reason=msg)
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if not size:
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size = snapshot['size']
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else:
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snapshot = None
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def as_int(s):
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try:
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return int(s)
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except (ValueError, TypeError):
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return s
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# tolerate size as stringified int
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size = as_int(size)
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if not isinstance(size, int) or size <= 0:
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msg = (_("Share size '%s' must be an integer and greater than 0")
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% size)
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raise exception.InvalidInput(reason=msg)
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if snapshot and size < snapshot['size']:
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msg = (_("Share size '%s' must be equal or greater "
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"than snapshot size") % size)
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raise exception.InvalidInput(reason=msg)
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if snapshot is None:
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share_type_id = share_type['id'] if share_type else None
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else:
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source_share = self.db.share_get(context, snapshot['share_id'])
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availability_zone = source_share['instance']['availability_zone']
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if share_type is None:
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# Grab the source share's share_type if no new share type
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# has been provided.
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share_type_id = source_share['instance']['share_type_id']
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share_type = share_types.get_share_type(context, share_type_id)
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else:
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share_type_id = share_type['id']
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if share_type_id != source_share['instance']['share_type_id']:
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msg = _("Invalid share type specified: the requested "
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"share type must match the type of the source "
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"share. If a share type is not specified when "
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"requesting a new share from a snapshot, the "
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"share type of the source share will be applied "
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"to the new share.")
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raise exception.InvalidInput(reason=msg)
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supported_share_protocols = (
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proto.upper() for proto in CONF.enabled_share_protocols)
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if not (share_proto and
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share_proto.upper() in supported_share_protocols):
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msg = (_("Invalid share protocol provided: %(provided)s. "
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"It is either disabled or unsupported. Available "
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"protocols: %(supported)s") % dict(
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provided=share_proto,
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supported=CONF.enabled_share_protocols))
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raise exception.InvalidInput(reason=msg)
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try:
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reservations = QUOTAS.reserve(context, shares=1, gigabytes=size)
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except exception.OverQuota as e:
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overs = e.kwargs['overs']
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usages = e.kwargs['usages']
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quotas = e.kwargs['quotas']
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def _consumed(name):
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return (usages[name]['reserved'] + usages[name]['in_use'])
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if 'gigabytes' in overs:
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LOG.warning(_LW("Quota exceeded for %(s_pid)s, "
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"tried to create "
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"%(s_size)sG share (%(d_consumed)dG of "
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"%(d_quota)dG already consumed)."), {
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's_pid': context.project_id,
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's_size': size,
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'd_consumed': _consumed('gigabytes'),
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'd_quota': quotas['gigabytes']})
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raise exception.ShareSizeExceedsAvailableQuota()
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elif 'shares' in overs:
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LOG.warning(_LW("Quota exceeded for %(s_pid)s, "
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"tried to create "
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"share (%(d_consumed)d shares "
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"already consumed)."), {
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's_pid': context.project_id,
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'd_consumed': _consumed('shares')})
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raise exception.ShareLimitExceeded(allowed=quotas['shares'])
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try:
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is_public = strutils.bool_from_string(is_public, strict=True)
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except ValueError as e:
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raise exception.InvalidParameterValue(six.text_type(e))
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share_group = None
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if share_group_id:
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try:
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share_group = self.db.share_group_get(context, share_group_id)
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except exception.NotFound as e:
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raise exception.InvalidParameterValue(six.text_type(e))
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if (not share_group_snapshot_member and
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not (share_group['status'] == constants.STATUS_AVAILABLE)):
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params = {
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'avail': constants.STATUS_AVAILABLE,
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'status': share_group['status'],
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}
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msg = _("Share group status must be %(avail)s, got"
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"%(status)s.") % params
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raise exception.InvalidShareGroup(message=msg)
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if share_type_id:
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share_group_st_ids = [
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st['share_type_id']
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for st in share_group.get('share_types', [])]
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if share_type_id not in share_group_st_ids:
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params = {
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'type': share_type_id,
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'group': share_group_id,
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}
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msg = _("The specified share type (%(type)s) is not "
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"supported by the specified share group "
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"(%(group)s).") % params
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raise exception.InvalidParameterValue(msg)
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if not share_group.get('share_network_id') == share_network_id:
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params = {
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'net': share_network_id,
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'group': share_group_id
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}
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msg = _("The specified share network (%(net)s) is not "
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"supported by the specified share group "
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"(%(group)s).") % params
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raise exception.InvalidParameterValue(msg)
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options = {
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'size': size,
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'user_id': context.user_id,
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'project_id': context.project_id,
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'snapshot_id': snapshot_id,
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'metadata': metadata,
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'display_name': name,
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'display_description': description,
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'share_proto': share_proto,
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'is_public': is_public,
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'share_group_id': share_group_id,
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}
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options.update(self.get_share_attributes_from_share_type(share_type))
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if share_group_snapshot_member:
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options['source_share_group_snapshot_member_id'] = (
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share_group_snapshot_member['id'])
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try:
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share = self.db.share_create(context, options,
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create_share_instance=False)
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QUOTAS.commit(context, reservations)
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except Exception:
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with excutils.save_and_reraise_exception():
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try:
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self.db.share_delete(context, share['id'])
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finally:
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QUOTAS.rollback(context, reservations)
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host = None
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if snapshot and not CONF.use_scheduler_creating_share_from_snapshot:
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# Shares from snapshots with restriction - source host only.
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# It is common situation for different types of backends.
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host = snapshot['share']['instance']['host']
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elif share_group:
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host = share_group['host']
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self.create_instance(
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context, share, share_network_id=share_network_id, host=host,
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availability_zone=availability_zone, share_group=share_group,
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share_group_snapshot_member=share_group_snapshot_member,
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share_type_id=share_type_id)
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# Retrieve the share with instance details
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share = self.db.share_get(context, share['id'])
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return share
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def get_share_attributes_from_share_type(self, share_type):
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"""Determine share attributes from the share type.
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The share type can change any time after shares of that type are
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created, so we copy some share type attributes to the share to
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consistently govern the behavior of that share over its lifespan.
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"""
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inferred_map = constants.ExtraSpecs.INFERRED_OPTIONAL_MAP
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snapshot_support_key = constants.ExtraSpecs.SNAPSHOT_SUPPORT
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create_share_from_snapshot_key = (
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constants.ExtraSpecs.CREATE_SHARE_FROM_SNAPSHOT_SUPPORT)
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revert_to_snapshot_key = (
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constants.ExtraSpecs.REVERT_TO_SNAPSHOT_SUPPORT)
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mount_snapshot_support_key = (
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constants.ExtraSpecs.MOUNT_SNAPSHOT_SUPPORT)
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snapshot_support_default = inferred_map.get(snapshot_support_key)
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create_share_from_snapshot_support_default = inferred_map.get(
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create_share_from_snapshot_key)
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revert_to_snapshot_support_default = inferred_map.get(
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revert_to_snapshot_key)
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mount_snapshot_support_default = inferred_map.get(
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constants.ExtraSpecs.MOUNT_SNAPSHOT_SUPPORT)
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if share_type:
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snapshot_support = share_types.parse_boolean_extra_spec(
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snapshot_support_key,
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share_type.get('extra_specs', {}).get(
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snapshot_support_key, snapshot_support_default))
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create_share_from_snapshot_support = (
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share_types.parse_boolean_extra_spec(
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create_share_from_snapshot_key,
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share_type.get('extra_specs', {}).get(
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create_share_from_snapshot_key,
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create_share_from_snapshot_support_default)))
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revert_to_snapshot_support = (
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share_types.parse_boolean_extra_spec(
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revert_to_snapshot_key,
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share_type.get('extra_specs', {}).get(
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revert_to_snapshot_key,
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revert_to_snapshot_support_default)))
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mount_snapshot_support = share_types.parse_boolean_extra_spec(
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mount_snapshot_support_key, share_type.get(
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'extra_specs', {}).get(
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mount_snapshot_support_key,
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mount_snapshot_support_default))
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replication_type = share_type.get('extra_specs', {}).get(
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'replication_type')
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else:
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snapshot_support = snapshot_support_default
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create_share_from_snapshot_support = (
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create_share_from_snapshot_support_default)
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revert_to_snapshot_support = revert_to_snapshot_support_default
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mount_snapshot_support = mount_snapshot_support_default
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replication_type = None
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return {
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'snapshot_support': snapshot_support,
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'create_share_from_snapshot_support':
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create_share_from_snapshot_support,
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'revert_to_snapshot_support': revert_to_snapshot_support,
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'replication_type': replication_type,
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'mount_snapshot_support': mount_snapshot_support,
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}
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def create_instance(self, context, share, share_network_id=None,
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host=None, availability_zone=None,
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share_group=None, share_group_snapshot_member=None,
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share_type_id=None):
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policy.check_policy(context, 'share', 'create')
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request_spec, share_instance = (
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self.create_share_instance_and_get_request_spec(
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context, share, availability_zone=availability_zone,
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share_group=share_group, host=host,
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share_network_id=share_network_id,
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share_type_id=share_type_id))
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if share_group_snapshot_member:
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# Inherit properties from the share_group_snapshot_member
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member_share_instance = share_group_snapshot_member[
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'share_instance']
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updates = {
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'host': member_share_instance['host'],
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'share_network_id': member_share_instance['share_network_id'],
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'share_server_id': member_share_instance['share_server_id'],
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}
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share = self.db.share_instance_update(context,
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share_instance['id'],
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updates)
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# NOTE(ameade): Do not cast to driver if creating from share group
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# snapshot
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return
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if host:
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self.share_rpcapi.create_share_instance(
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context,
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share_instance,
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host,
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request_spec=request_spec,
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filter_properties={},
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snapshot_id=share['snapshot_id'],
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)
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else:
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# Create share instance from scratch or from snapshot could happen
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# on hosts other than the source host.
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self.scheduler_rpcapi.create_share_instance(
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context, request_spec=request_spec, filter_properties={})
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return share_instance
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def create_share_instance_and_get_request_spec(
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self, context, share, availability_zone=None,
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share_group=None, host=None, share_network_id=None,
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share_type_id=None, cast_rules_to_readonly=False):
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availability_zone_id = None
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if availability_zone:
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availability_zone_id = self.db.availability_zone_get(
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context, availability_zone).id
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# TODO(u_glide): Add here validation that provided share network
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# doesn't conflict with provided availability_zone when Neutron
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# will have AZ support.
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share_instance = self.db.share_instance_create(
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context, share['id'],
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{
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'share_network_id': share_network_id,
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'status': constants.STATUS_CREATING,
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'scheduled_at': timeutils.utcnow(),
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'host': host if host else '',
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'availability_zone_id': availability_zone_id,
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'share_type_id': share_type_id,
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'cast_rules_to_readonly': cast_rules_to_readonly,
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}
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)
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share_properties = {
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'id': share['id'],
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'size': share['size'],
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'user_id': share['user_id'],
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'project_id': share['project_id'],
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'metadata': self.db.share_metadata_get(context, share['id']),
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'share_server_id': share_instance['share_server_id'],
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'snapshot_support': share['snapshot_support'],
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'create_share_from_snapshot_support':
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share['create_share_from_snapshot_support'],
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'revert_to_snapshot_support': share['revert_to_snapshot_support'],
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'mount_snapshot_support': share['mount_snapshot_support'],
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'share_proto': share['share_proto'],
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'share_type_id': share_type_id,
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'is_public': share['is_public'],
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'share_group_id': share['share_group_id'],
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'source_share_group_snapshot_member_id': share[
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'source_share_group_snapshot_member_id'],
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'snapshot_id': share['snapshot_id'],
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'replication_type': share['replication_type'],
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}
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share_instance_properties = {
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'id': share_instance['id'],
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'availability_zone_id': share_instance['availability_zone_id'],
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'share_network_id': share_instance['share_network_id'],
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'share_server_id': share_instance['share_server_id'],
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'share_id': share_instance['share_id'],
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'host': share_instance['host'],
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'status': share_instance['status'],
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'replica_state': share_instance['replica_state'],
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'share_type_id': share_instance['share_type_id'],
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}
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share_type = None
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if share_instance['share_type_id']:
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share_type = self.db.share_type_get(
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context, share_instance['share_type_id'])
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request_spec = {
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'share_properties': share_properties,
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'share_instance_properties': share_instance_properties,
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'share_proto': share['share_proto'],
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'share_id': share['id'],
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'snapshot_id': share['snapshot_id'],
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'share_type': share_type,
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'share_group': share_group,
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'availability_zone_id': availability_zone_id,
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}
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return request_spec, share_instance
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|
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def create_share_replica(self, context, share, availability_zone=None,
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share_network_id=None):
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|
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if not share.get('replication_type'):
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msg = _("Replication not supported for share %s.")
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raise exception.InvalidShare(message=msg % share['id'])
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if share.get('share_group_id'):
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msg = _("Replication not supported for shares in a group.")
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raise exception.InvalidShare(message=msg)
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self._check_is_share_busy(share)
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active_replica = self.db.share_replicas_get_available_active_replica(
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context, share['id'])
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if not active_replica:
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msg = _("Share %s does not have any active replica in available "
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"state.")
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raise exception.ReplicationException(reason=msg % share['id'])
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|
|
if share['replication_type'] == constants.REPLICATION_TYPE_READABLE:
|
|
cast_rules_to_readonly = True
|
|
else:
|
|
cast_rules_to_readonly = False
|
|
|
|
request_spec, share_replica = (
|
|
self.create_share_instance_and_get_request_spec(
|
|
context, share, availability_zone=availability_zone,
|
|
share_network_id=share_network_id,
|
|
share_type_id=share['instance']['share_type_id'],
|
|
cast_rules_to_readonly=cast_rules_to_readonly))
|
|
|
|
all_replicas = self.db.share_replicas_get_all_by_share(
|
|
context, share['id'])
|
|
all_hosts = [r['host'] for r in all_replicas]
|
|
|
|
request_spec['active_replica_host'] = active_replica['host']
|
|
request_spec['all_replica_hosts'] = ','.join(all_hosts)
|
|
|
|
self.db.share_replica_update(
|
|
context, share_replica['id'],
|
|
{'replica_state': constants.REPLICA_STATE_OUT_OF_SYNC})
|
|
|
|
existing_snapshots = (
|
|
self.db.share_snapshot_get_all_for_share(
|
|
context, share_replica['share_id'])
|
|
)
|
|
snapshot_instance = {
|
|
'status': constants.STATUS_CREATING,
|
|
'progress': '0%',
|
|
'share_instance_id': share_replica['id'],
|
|
}
|
|
for snapshot in existing_snapshots:
|
|
self.db.share_snapshot_instance_create(
|
|
context, snapshot['id'], snapshot_instance)
|
|
|
|
self.scheduler_rpcapi.create_share_replica(
|
|
context, request_spec=request_spec, filter_properties={})
|
|
|
|
return share_replica
|
|
|
|
def delete_share_replica(self, context, share_replica, force=False):
|
|
# Disallow deletion of ONLY active replica, *even* when this
|
|
# operation is forced.
|
|
replicas = self.db.share_replicas_get_all_by_share(
|
|
context, share_replica['share_id'])
|
|
active_replicas = list(filter(
|
|
lambda x: x['replica_state'] == constants.REPLICA_STATE_ACTIVE,
|
|
replicas))
|
|
if (share_replica.get('replica_state') ==
|
|
constants.REPLICA_STATE_ACTIVE and len(active_replicas) == 1):
|
|
msg = _("Cannot delete last active replica.")
|
|
raise exception.ReplicationException(reason=msg)
|
|
|
|
LOG.info(_LI("Deleting replica %s."), id)
|
|
|
|
self.db.share_replica_update(
|
|
context, share_replica['id'],
|
|
{
|
|
'status': constants.STATUS_DELETING,
|
|
'terminated_at': timeutils.utcnow(),
|
|
}
|
|
)
|
|
|
|
if not share_replica['host']:
|
|
# Delete any snapshot instances created on the database
|
|
replica_snapshots = (
|
|
self.db.share_snapshot_instance_get_all_with_filters(
|
|
context, {'share_instance_ids': share_replica['id']})
|
|
)
|
|
for snapshot in replica_snapshots:
|
|
self.db.share_snapshot_instance_delete(context, snapshot['id'])
|
|
|
|
# Delete the replica from the database
|
|
self.db.share_replica_delete(context, share_replica['id'])
|
|
else:
|
|
|
|
self.share_rpcapi.delete_share_replica(context,
|
|
share_replica,
|
|
force=force)
|
|
|
|
def promote_share_replica(self, context, share_replica):
|
|
|
|
if share_replica.get('status') != constants.STATUS_AVAILABLE:
|
|
msg = _("Replica %(replica_id)s must be in %(status)s state to be "
|
|
"promoted.")
|
|
raise exception.ReplicationException(
|
|
reason=msg % {'replica_id': share_replica['id'],
|
|
'status': constants.STATUS_AVAILABLE})
|
|
|
|
replica_state = share_replica['replica_state']
|
|
|
|
if (replica_state in (constants.REPLICA_STATE_OUT_OF_SYNC,
|
|
constants.STATUS_ERROR)
|
|
and not context.is_admin):
|
|
msg = _("Promoting a replica with 'replica_state': %s requires "
|
|
"administrator privileges.")
|
|
raise exception.AdminRequired(
|
|
message=msg % replica_state)
|
|
|
|
self.db.share_replica_update(
|
|
context, share_replica['id'],
|
|
{'status': constants.STATUS_REPLICATION_CHANGE})
|
|
|
|
self.share_rpcapi.promote_share_replica(context, share_replica)
|
|
|
|
return self.db.share_replica_get(context, share_replica['id'])
|
|
|
|
def update_share_replica(self, context, share_replica):
|
|
|
|
if not share_replica['host']:
|
|
msg = _("Share replica does not have a valid host.")
|
|
raise exception.InvalidHost(reason=msg)
|
|
|
|
self.share_rpcapi.update_share_replica(context, share_replica)
|
|
|
|
def manage(self, context, share_data, driver_options):
|
|
policy.check_policy(context, 'share', 'manage')
|
|
|
|
shares = self.get_all(context, {
|
|
'host': share_data['host'],
|
|
'export_location': share_data['export_location'],
|
|
'share_proto': share_data['share_proto'],
|
|
'share_type_id': share_data['share_type_id']
|
|
})
|
|
|
|
share_type_id = share_data['share_type_id']
|
|
share_type = share_types.get_share_type(context, share_type_id)
|
|
|
|
share_data.update({
|
|
'user_id': context.user_id,
|
|
'project_id': context.project_id,
|
|
'status': constants.STATUS_MANAGING,
|
|
'scheduled_at': timeutils.utcnow(),
|
|
})
|
|
share_data.update(
|
|
self.get_share_attributes_from_share_type(share_type))
|
|
|
|
LOG.debug("Manage: Found shares %s.", len(shares))
|
|
|
|
export_location = share_data.pop('export_location')
|
|
|
|
if len(shares) == 0:
|
|
share = self.db.share_create(context, share_data)
|
|
else:
|
|
msg = _("Share already exists.")
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
self.db.share_export_locations_update(context, share.instance['id'],
|
|
export_location)
|
|
|
|
request_spec = self._get_request_spec_dict(
|
|
share, share_type, size=0, share_proto=share_data['share_proto'],
|
|
host=share_data['host'])
|
|
|
|
# NOTE(ganso): Scheduler is called to validate if share type
|
|
# provided can fit in host provided. It will invoke manage upon
|
|
# successful validation.
|
|
self.scheduler_rpcapi.manage_share(context, share['id'],
|
|
driver_options, request_spec)
|
|
|
|
return self.db.share_get(context, share['id'])
|
|
|
|
def _get_request_spec_dict(self, share, share_type, **kwargs):
|
|
|
|
if share is None:
|
|
share = {'instance': {}}
|
|
|
|
share_instance = share['instance']
|
|
|
|
share_properties = {
|
|
'size': kwargs.get('size', share.get('size')),
|
|
'user_id': kwargs.get('user_id', share.get('user_id')),
|
|
'project_id': kwargs.get('project_id', share.get('project_id')),
|
|
'snapshot_support': kwargs.get(
|
|
'snapshot_support',
|
|
share_type.get('extra_specs', {}).get('snapshot_support')
|
|
),
|
|
'create_share_from_snapshot_support': kwargs.get(
|
|
'create_share_from_snapshot_support',
|
|
share_type.get('extra_specs', {}).get(
|
|
'create_share_from_snapshot_support')
|
|
),
|
|
'revert_to_snapshot_support': kwargs.get(
|
|
'revert_to_snapshot_support',
|
|
share_type.get('extra_specs', {}).get(
|
|
'revert_to_snapshot_support')
|
|
),
|
|
'mount_snapshot_support': kwargs.get(
|
|
'mount_snapshot_support',
|
|
share_type.get('extra_specs', {}).get(
|
|
'mount_snapshot_support')
|
|
),
|
|
'share_proto': kwargs.get('share_proto', share.get('share_proto')),
|
|
'share_type_id': share_type['id'],
|
|
'is_public': kwargs.get('is_public', share.get('is_public')),
|
|
'share_group_id': kwargs.get(
|
|
'share_group_id', share.get('share_group_id')),
|
|
'source_share_group_snapshot_member_id': kwargs.get(
|
|
'source_share_group_snapshot_member_id',
|
|
share.get('source_share_group_snapshot_member_id')),
|
|
'snapshot_id': kwargs.get('snapshot_id', share.get('snapshot_id')),
|
|
}
|
|
share_instance_properties = {
|
|
'availability_zone_id': kwargs.get(
|
|
'availability_zone_id',
|
|
share_instance.get('availability_zone_id')),
|
|
'share_network_id': kwargs.get(
|
|
'share_network_id', share_instance.get('share_network_id')),
|
|
'share_server_id': kwargs.get(
|
|
'share_server_id', share_instance.get('share_server_id')),
|
|
'share_id': kwargs.get('share_id', share_instance.get('share_id')),
|
|
'host': kwargs.get('host', share_instance.get('host')),
|
|
'status': kwargs.get('status', share_instance.get('status')),
|
|
}
|
|
|
|
request_spec = {
|
|
'share_properties': share_properties,
|
|
'share_instance_properties': share_instance_properties,
|
|
'share_type': share_type,
|
|
'share_id': share.get('id'),
|
|
}
|
|
return request_spec
|
|
|
|
def unmanage(self, context, share):
|
|
policy.check_policy(context, 'share', 'unmanage')
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
update_data = {'status': constants.STATUS_UNMANAGING,
|
|
'terminated_at': timeutils.utcnow()}
|
|
share_ref = self.db.share_update(context, share['id'], update_data)
|
|
|
|
self.share_rpcapi.unmanage_share(context, share_ref)
|
|
|
|
# NOTE(u_glide): We should update 'updated_at' timestamp of
|
|
# share server here, when manage/unmanage operations will be supported
|
|
# for driver_handles_share_servers=True mode
|
|
|
|
def manage_snapshot(self, context, snapshot_data, driver_options):
|
|
try:
|
|
share = self.db.share_get(context, snapshot_data['share_id'])
|
|
except exception.NotFound:
|
|
raise exception.ShareNotFound(share_id=snapshot_data['share_id'])
|
|
|
|
if share['has_replicas']:
|
|
msg = (_("Share %s has replicas. Snapshots of this share cannot "
|
|
"currently be managed until all replicas are removed.")
|
|
% share['id'])
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
existing_snapshots = self.db.share_snapshot_get_all_for_share(
|
|
context, snapshot_data['share_id'])
|
|
|
|
for existing_snap in existing_snapshots:
|
|
for inst in existing_snap.get('instances'):
|
|
if (snapshot_data['provider_location'] ==
|
|
inst['provider_location']):
|
|
msg = _("A share snapshot %(share_snapshot_id)s is "
|
|
"already managed for provider location "
|
|
"%(provider_location)s.") % {
|
|
'share_snapshot_id': existing_snap['id'],
|
|
'provider_location':
|
|
snapshot_data['provider_location'],
|
|
}
|
|
raise exception.ManageInvalidShareSnapshot(
|
|
reason=msg)
|
|
|
|
snapshot_data.update({
|
|
'user_id': context.user_id,
|
|
'project_id': context.project_id,
|
|
'status': constants.STATUS_MANAGING,
|
|
'share_size': share['size'],
|
|
'progress': '0%',
|
|
'share_proto': share['share_proto']
|
|
})
|
|
|
|
snapshot = self.db.share_snapshot_create(context, snapshot_data)
|
|
|
|
self.share_rpcapi.manage_snapshot(context, snapshot, share['host'],
|
|
driver_options)
|
|
return snapshot
|
|
|
|
def unmanage_snapshot(self, context, snapshot, host):
|
|
update_data = {'status': constants.STATUS_UNMANAGING,
|
|
'terminated_at': timeutils.utcnow()}
|
|
snapshot_ref = self.db.share_snapshot_update(context,
|
|
snapshot['id'],
|
|
update_data)
|
|
|
|
self.share_rpcapi.unmanage_snapshot(context, snapshot_ref, host)
|
|
|
|
def revert_to_snapshot(self, context, share, snapshot):
|
|
"""Revert a share to a snapshot."""
|
|
|
|
reservations = self._handle_revert_to_snapshot_quotas(
|
|
context, share, snapshot)
|
|
|
|
try:
|
|
if share.get('has_replicas'):
|
|
self._revert_to_replicated_snapshot(
|
|
context, share, snapshot, reservations)
|
|
else:
|
|
self._revert_to_snapshot(
|
|
context, share, snapshot, reservations)
|
|
except Exception:
|
|
with excutils.save_and_reraise_exception():
|
|
if reservations:
|
|
QUOTAS.rollback(context, reservations)
|
|
|
|
def _handle_revert_to_snapshot_quotas(self, context, share, snapshot):
|
|
"""Reserve extra quota if a revert will result in a larger share."""
|
|
|
|
# Note(cknight): This value may be positive or negative.
|
|
size_increase = snapshot['size'] - share['size']
|
|
if not size_increase:
|
|
return None
|
|
|
|
try:
|
|
return QUOTAS.reserve(context,
|
|
project_id=share['project_id'],
|
|
gigabytes=size_increase,
|
|
user_id=share['user_id'])
|
|
except exception.OverQuota as exc:
|
|
usages = exc.kwargs['usages']
|
|
quotas = exc.kwargs['quotas']
|
|
consumed_gb = (usages['gigabytes']['reserved'] +
|
|
usages['gigabytes']['in_use'])
|
|
|
|
msg = _("Quota exceeded for %(s_pid)s. Reverting share "
|
|
"%(s_sid)s to snapshot %(s_ssid)s will increase the "
|
|
"share's size by %(s_size)sG, "
|
|
"(%(d_consumed)dG of %(d_quota)dG already consumed).")
|
|
msg_args = {
|
|
's_pid': context.project_id,
|
|
's_sid': share['id'],
|
|
's_ssid': snapshot['id'],
|
|
's_size': size_increase,
|
|
'd_consumed': consumed_gb,
|
|
'd_quota': quotas['gigabytes'],
|
|
}
|
|
message = msg % msg_args
|
|
LOG.error(message)
|
|
raise exception.ShareSizeExceedsAvailableQuota(message=message)
|
|
|
|
def _revert_to_snapshot(self, context, share, snapshot, reservations):
|
|
"""Revert a non-replicated share to a snapshot."""
|
|
|
|
# Set status of share to 'reverting'
|
|
self.db.share_update(
|
|
context, snapshot['share_id'],
|
|
{'status': constants.STATUS_REVERTING})
|
|
|
|
# Set status of snapshot to 'restoring'
|
|
self.db.share_snapshot_update(
|
|
context, snapshot['id'],
|
|
{'status': constants.STATUS_RESTORING})
|
|
|
|
# Send revert API to share host
|
|
self.share_rpcapi.revert_to_snapshot(
|
|
context, share, snapshot, share['instance']['host'], reservations)
|
|
|
|
def _revert_to_replicated_snapshot(self, context, share, snapshot,
|
|
reservations):
|
|
"""Revert a replicated share to a snapshot."""
|
|
|
|
# Get active replica
|
|
active_replica = self.db.share_replicas_get_available_active_replica(
|
|
context, share['id'])
|
|
|
|
if not active_replica:
|
|
msg = _('Share %s has no active replica in available state.')
|
|
raise exception.ReplicationException(reason=msg % share['id'])
|
|
|
|
# Get snapshot instance on active replica
|
|
snapshot_instance_filters = {
|
|
'share_instance_ids': active_replica['id'],
|
|
'snapshot_ids': snapshot['id'],
|
|
}
|
|
snapshot_instances = (
|
|
self.db.share_snapshot_instance_get_all_with_filters(
|
|
context, snapshot_instance_filters))
|
|
active_snapshot_instance = (
|
|
snapshot_instances[0] if snapshot_instances else None)
|
|
|
|
if not active_snapshot_instance:
|
|
msg = _('Share %(share)s has no snapshot %(snap)s associated with '
|
|
'its active replica.')
|
|
msg_args = {'share': share['id'], 'snap': snapshot['id']}
|
|
raise exception.ReplicationException(reason=msg % msg_args)
|
|
|
|
# Set active replica to 'reverting'
|
|
self.db.share_replica_update(
|
|
context, active_replica['id'],
|
|
{'status': constants.STATUS_REVERTING})
|
|
|
|
# Set snapshot instance on active replica to 'restoring'
|
|
self.db.share_snapshot_instance_update(
|
|
context, active_snapshot_instance['id'],
|
|
{'status': constants.STATUS_RESTORING})
|
|
|
|
# Send revert API to active replica host
|
|
self.share_rpcapi.revert_to_snapshot(
|
|
context, share, snapshot, active_replica['host'], reservations)
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def delete(self, context, share, force=False):
|
|
"""Delete share."""
|
|
share = self.db.share_get(context, share['id'])
|
|
if context.is_admin and context.project_id != share['project_id']:
|
|
project_id = share['project_id']
|
|
else:
|
|
project_id = context.project_id
|
|
|
|
share_id = share['id']
|
|
|
|
statuses = (constants.STATUS_AVAILABLE, constants.STATUS_ERROR,
|
|
constants.STATUS_INACTIVE)
|
|
if not (force or share['status'] in statuses):
|
|
msg = _("Share status must be one of %(statuses)s") % {
|
|
"statuses": statuses}
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
# NOTE(gouthamr): If the share has more than one replica,
|
|
# it can't be deleted until the additional replicas are removed.
|
|
if share.has_replicas:
|
|
msg = _("Share %s has replicas. Remove the replicas before "
|
|
"deleting the share.") % share_id
|
|
raise exception.Conflict(err=msg)
|
|
|
|
snapshots = self.db.share_snapshot_get_all_for_share(context, share_id)
|
|
if len(snapshots):
|
|
msg = _("Share still has %d dependent snapshots.") % len(snapshots)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
share_group_snapshot_members_count = (
|
|
self.db.count_share_group_snapshot_members_in_share(
|
|
context, share_id))
|
|
if share_group_snapshot_members_count:
|
|
msg = (
|
|
_("Share still has %d dependent share group snapshot "
|
|
"members.") % share_group_snapshot_members_count)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
try:
|
|
# we give the user_id of the share, to update the quota usage
|
|
# for the user, who created the share
|
|
reservations = QUOTAS.reserve(context,
|
|
project_id=project_id,
|
|
shares=-1,
|
|
gigabytes=-share['size'],
|
|
user_id=share['user_id'])
|
|
except Exception as e:
|
|
reservations = None
|
|
LOG.exception(
|
|
_LE("Failed to update quota for deleting share: %s"), e)
|
|
|
|
for share_instance in share.instances:
|
|
if share_instance['host']:
|
|
self.delete_instance(context, share_instance, force=force)
|
|
else:
|
|
self.db.share_instance_delete(context, share_instance['id'])
|
|
|
|
if reservations:
|
|
# we give the user_id of the share, to update the quota usage
|
|
# for the user, who created the share
|
|
QUOTAS.commit(context, reservations, project_id=project_id,
|
|
user_id=share['user_id'])
|
|
|
|
def delete_instance(self, context, share_instance, force=False):
|
|
policy.check_policy(context, 'share', 'delete')
|
|
|
|
statuses = (constants.STATUS_AVAILABLE, constants.STATUS_ERROR,
|
|
constants.STATUS_INACTIVE)
|
|
if not (force or share_instance['status'] in statuses):
|
|
msg = _("Share instance status must be one of %(statuses)s") % {
|
|
"statuses": statuses}
|
|
raise exception.InvalidShareInstance(reason=msg)
|
|
|
|
share_instance = self.db.share_instance_update(
|
|
context, share_instance['id'],
|
|
{'status': constants.STATUS_DELETING,
|
|
'terminated_at': timeutils.utcnow()}
|
|
)
|
|
|
|
self.share_rpcapi.delete_share_instance(context, share_instance,
|
|
force=force)
|
|
|
|
# NOTE(u_glide): 'updated_at' timestamp is used to track last usage of
|
|
# share server. This is required for automatic share servers cleanup
|
|
# because we should track somehow period of time when share server
|
|
# doesn't have shares (unused). We do this update only on share
|
|
# deletion because share server with shares cannot be deleted, so no
|
|
# need to do this update on share creation or any other share operation
|
|
if share_instance['share_server_id']:
|
|
self.db.share_server_update(
|
|
context,
|
|
share_instance['share_server_id'],
|
|
{'updated_at': timeutils.utcnow()})
|
|
|
|
def delete_share_server(self, context, server):
|
|
"""Delete share server."""
|
|
policy.check_policy(context, 'share_server', 'delete', server)
|
|
shares = self.db.share_instances_get_all_by_share_server(context,
|
|
server['id'])
|
|
|
|
if shares:
|
|
raise exception.ShareServerInUse(share_server_id=server['id'])
|
|
|
|
share_groups = self.db.share_group_get_all_by_share_server(
|
|
context, server['id'])
|
|
if share_groups:
|
|
LOG.error(_LE("share server '%(ssid)s' in use by share groups."),
|
|
{'ssid': server['id']})
|
|
raise exception.ShareServerInUse(share_server_id=server['id'])
|
|
|
|
# NOTE(vponomaryov): There is no share_server status update here,
|
|
# it is intentional.
|
|
# Status will be changed in manila.share.manager after verification
|
|
# for race condition between share creation on server
|
|
# and server deletion.
|
|
self.share_rpcapi.delete_share_server(context, server)
|
|
|
|
def create_snapshot(self, context, share, name, description,
|
|
force=False):
|
|
policy.check_policy(context, 'share', 'create_snapshot', share)
|
|
|
|
if ((not force) and (share['status'] != constants.STATUS_AVAILABLE)):
|
|
msg = _("Source share status must be "
|
|
"%s") % constants.STATUS_AVAILABLE
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
size = share['size']
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
try:
|
|
reservations = QUOTAS.reserve(
|
|
context, snapshots=1, snapshot_gigabytes=size)
|
|
except exception.OverQuota as e:
|
|
overs = e.kwargs['overs']
|
|
usages = e.kwargs['usages']
|
|
quotas = e.kwargs['quotas']
|
|
|
|
def _consumed(name):
|
|
return (usages[name]['reserved'] + usages[name]['in_use'])
|
|
|
|
if 'snapshot_gigabytes' in overs:
|
|
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
|
|
"%(s_size)sG snapshot (%(d_consumed)dG of "
|
|
"%(d_quota)dG already consumed).")
|
|
LOG.warning(msg, {'s_pid': context.project_id,
|
|
's_size': size,
|
|
'd_consumed': _consumed('gigabytes'),
|
|
'd_quota': quotas['snapshot_gigabytes']})
|
|
raise exception.SnapshotSizeExceedsAvailableQuota()
|
|
elif 'snapshots' in overs:
|
|
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
|
|
"snapshot (%(d_consumed)d snapshots "
|
|
"already consumed).")
|
|
LOG.warning(msg, {'s_pid': context.project_id,
|
|
'd_consumed': _consumed('snapshots')})
|
|
raise exception.SnapshotLimitExceeded(
|
|
allowed=quotas['snapshots'])
|
|
options = {'share_id': share['id'],
|
|
'size': share['size'],
|
|
'user_id': context.user_id,
|
|
'project_id': context.project_id,
|
|
'status': constants.STATUS_CREATING,
|
|
'progress': '0%',
|
|
'share_size': share['size'],
|
|
'display_name': name,
|
|
'display_description': description,
|
|
'share_proto': share['share_proto']}
|
|
|
|
try:
|
|
snapshot = self.db.share_snapshot_create(context, options)
|
|
QUOTAS.commit(context, reservations)
|
|
except Exception:
|
|
with excutils.save_and_reraise_exception():
|
|
try:
|
|
self.db.snapshot_delete(context, share['id'])
|
|
finally:
|
|
QUOTAS.rollback(context, reservations)
|
|
|
|
# If replicated share, create snapshot instances for each replica
|
|
if share.get('has_replicas'):
|
|
snapshot = self.db.share_snapshot_get(context, snapshot['id'])
|
|
share_instance_id = snapshot['instance']['share_instance_id']
|
|
replicas = self.db.share_replicas_get_all_by_share(
|
|
context, share['id'])
|
|
replicas = [r for r in replicas if r['id'] != share_instance_id]
|
|
snapshot_instance = {
|
|
'status': constants.STATUS_CREATING,
|
|
'progress': '0%',
|
|
}
|
|
for replica in replicas:
|
|
snapshot_instance.update({'share_instance_id': replica['id']})
|
|
self.db.share_snapshot_instance_create(
|
|
context, snapshot['id'], snapshot_instance)
|
|
self.share_rpcapi.create_replicated_snapshot(
|
|
context, share, snapshot)
|
|
|
|
else:
|
|
self.share_rpcapi.create_snapshot(context, share, snapshot)
|
|
|
|
return snapshot
|
|
|
|
def migration_start(
|
|
self, context, share, dest_host, force_host_assisted_migration,
|
|
preserve_metadata, writable, nondisruptive, preserve_snapshots,
|
|
new_share_network=None, new_share_type=None):
|
|
"""Migrates share to a new host."""
|
|
|
|
if force_host_assisted_migration and (
|
|
preserve_metadata or writable or nondisruptive or
|
|
preserve_snapshots):
|
|
msg = _('Invalid parameter combination. Cannot set parameters '
|
|
'"nondisruptive", "writable", "preserve_snapshots" or '
|
|
'"preserve_metadata" to True when enabling the '
|
|
'"force_host_assisted_migration" option.')
|
|
LOG.error(msg)
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
share_instance = share.instance
|
|
|
|
# NOTE(gouthamr): Ensure share does not have replicas.
|
|
# Currently share migrations are disallowed for replicated shares.
|
|
if share.has_replicas:
|
|
msg = _('Share %s has replicas. Remove the replicas before '
|
|
'attempting to migrate the share.') % share['id']
|
|
LOG.error(msg)
|
|
raise exception.Conflict(err=msg)
|
|
|
|
# TODO(ganso): We do not support migrating shares in or out of groups
|
|
# for now.
|
|
if share.get('share_group_id'):
|
|
msg = _('Share %s is a member of a group. This operation is not '
|
|
'currently supported for shares that are members of '
|
|
'groups.') % share['id']
|
|
LOG.error(msg)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
# We only handle "available" share for now
|
|
if share_instance['status'] != constants.STATUS_AVAILABLE:
|
|
msg = _('Share instance %(instance_id)s status must be available, '
|
|
'but current status is: %(instance_status)s.') % {
|
|
'instance_id': share_instance['id'],
|
|
'instance_status': share_instance['status']}
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
# Access rules status must not be error
|
|
if share_instance['access_rules_status'] == constants.STATUS_ERROR:
|
|
msg = _('Share instance %(instance_id)s access rules status must '
|
|
'not be in %(error)s when attempting to start a '
|
|
'migration.') % {
|
|
'instance_id': share_instance['id'],
|
|
'error': constants.STATUS_ERROR}
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
if force_host_assisted_migration:
|
|
# We only handle shares without snapshots for
|
|
# host-assisted migration
|
|
snaps = self.db.share_snapshot_get_all_for_share(context,
|
|
share['id'])
|
|
if snaps:
|
|
msg = _("Share %s must not have snapshots when using "
|
|
"host-assisted migration.") % share['id']
|
|
raise exception.Conflict(err=msg)
|
|
|
|
dest_host_host = share_utils.extract_host(dest_host)
|
|
|
|
# Make sure the host is in the list of available hosts
|
|
utils.validate_service_host(context, dest_host_host)
|
|
|
|
if new_share_type:
|
|
share_type = new_share_type
|
|
new_share_type_id = new_share_type['id']
|
|
dhss = share_type['extra_specs']['driver_handles_share_servers']
|
|
dhss = strutils.bool_from_string(dhss, strict=True)
|
|
if (dhss and not new_share_network and
|
|
not share_instance['share_network_id']):
|
|
msg = _(
|
|
"New share network must be provided when share type of"
|
|
" given share %s has extra_spec "
|
|
"'driver_handles_share_servers' as True.") % share['id']
|
|
raise exception.InvalidInput(reason=msg)
|
|
else:
|
|
share_type = {}
|
|
share_type_id = share_instance['share_type_id']
|
|
if share_type_id:
|
|
share_type = share_types.get_share_type(context, share_type_id)
|
|
new_share_type_id = share_instance['share_type_id']
|
|
|
|
dhss = share_type['extra_specs']['driver_handles_share_servers']
|
|
dhss = strutils.bool_from_string(dhss, strict=True)
|
|
|
|
if dhss:
|
|
if new_share_network:
|
|
new_share_network_id = new_share_network['id']
|
|
else:
|
|
new_share_network_id = share_instance['share_network_id']
|
|
else:
|
|
if new_share_network:
|
|
msg = _(
|
|
"New share network must not be provided when share type of"
|
|
" given share %s has extra_spec "
|
|
"'driver_handles_share_servers' as False.") % share['id']
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
new_share_network_id = None
|
|
|
|
# Make sure the destination is different than the source
|
|
if (new_share_network_id == share_instance['share_network_id'] and
|
|
new_share_type_id == share_instance['share_type_id'] and
|
|
dest_host == share_instance['host']):
|
|
msg = _LI("Destination host (%(dest_host)s), share network "
|
|
"(%(dest_sn)s) or share type (%(dest_st)s) are the same "
|
|
"as the current host's '%(src_host)s', '%(src_sn)s' and "
|
|
"'%(src_st)s' respectively. Nothing to be done.") % {
|
|
'dest_host': dest_host,
|
|
'dest_sn': new_share_network_id,
|
|
'dest_st': new_share_type_id,
|
|
'src_host': share_instance['host'],
|
|
'src_sn': share_instance['share_network_id'],
|
|
'src_st': share_instance['share_type_id'],
|
|
}
|
|
LOG.info(msg)
|
|
self.db.share_update(
|
|
context, share['id'],
|
|
{'task_state': constants.TASK_STATE_MIGRATION_SUCCESS})
|
|
return 200
|
|
|
|
service = self.db.service_get_by_args(
|
|
context, dest_host_host, 'manila-share')
|
|
|
|
request_spec = self._get_request_spec_dict(
|
|
share,
|
|
share_type,
|
|
availability_zone_id=service['availability_zone_id'],
|
|
share_network_id=new_share_network_id)
|
|
|
|
self.db.share_update(
|
|
context, share['id'],
|
|
{'task_state': constants.TASK_STATE_MIGRATION_STARTING})
|
|
|
|
self.db.share_instance_update(context, share_instance['id'],
|
|
{'status': constants.STATUS_MIGRATING})
|
|
|
|
self.scheduler_rpcapi.migrate_share_to_host(
|
|
context, share['id'], dest_host, force_host_assisted_migration,
|
|
preserve_metadata, writable, nondisruptive, preserve_snapshots,
|
|
new_share_network_id, new_share_type_id, request_spec)
|
|
|
|
return 202
|
|
|
|
def migration_complete(self, context, share):
|
|
|
|
if share['task_state'] not in (
|
|
constants.TASK_STATE_DATA_COPYING_COMPLETED,
|
|
constants.TASK_STATE_MIGRATION_DRIVER_PHASE1_DONE):
|
|
msg = self._migration_validate_error_message(share)
|
|
if msg is None:
|
|
msg = _("First migration phase of share %s not completed"
|
|
" yet.") % share['id']
|
|
LOG.error(msg)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
share_instance_id, new_share_instance_id = (
|
|
self.get_migrating_instances(share))
|
|
|
|
share_instance_ref = self.db.share_instance_get(
|
|
context, share_instance_id, with_share_data=True)
|
|
|
|
self.share_rpcapi.migration_complete(context, share_instance_ref,
|
|
new_share_instance_id)
|
|
|
|
def get_migrating_instances(self, share):
|
|
|
|
share_instance_id = None
|
|
new_share_instance_id = None
|
|
|
|
for instance in share.instances:
|
|
if instance['status'] == constants.STATUS_MIGRATING:
|
|
share_instance_id = instance['id']
|
|
if instance['status'] == constants.STATUS_MIGRATING_TO:
|
|
new_share_instance_id = instance['id']
|
|
|
|
if None in (share_instance_id, new_share_instance_id):
|
|
msg = _("Share instances %(instance_id)s and "
|
|
"%(new_instance_id)s in inconsistent states, cannot"
|
|
" continue share migration for share %(share_id)s"
|
|
".") % {'instance_id': share_instance_id,
|
|
'new_instance_id': new_share_instance_id,
|
|
'share_id': share['id']}
|
|
raise exception.ShareMigrationFailed(reason=msg)
|
|
|
|
return share_instance_id, new_share_instance_id
|
|
|
|
def migration_get_progress(self, context, share):
|
|
|
|
if share['task_state'] == (
|
|
constants.TASK_STATE_MIGRATION_DRIVER_IN_PROGRESS):
|
|
|
|
share_instance_id, migrating_instance_id = (
|
|
self.get_migrating_instances(share))
|
|
|
|
share_instance_ref = self.db.share_instance_get(
|
|
context, share_instance_id, with_share_data=True)
|
|
|
|
service_host = share_utils.extract_host(share_instance_ref['host'])
|
|
|
|
service = self.db.service_get_by_args(
|
|
context, service_host, 'manila-share')
|
|
|
|
if utils.service_is_up(service):
|
|
try:
|
|
result = self.share_rpcapi.migration_get_progress(
|
|
context, share_instance_ref, migrating_instance_id)
|
|
except Exception:
|
|
msg = _("Failed to obtain migration progress of share "
|
|
"%s.") % share['id']
|
|
LOG.exception(msg)
|
|
raise exception.ShareMigrationError(reason=msg)
|
|
else:
|
|
result = None
|
|
|
|
elif share['task_state'] == (
|
|
constants.TASK_STATE_DATA_COPYING_IN_PROGRESS):
|
|
data_rpc = data_rpcapi.DataAPI()
|
|
LOG.info(_LI("Sending request to get share migration information"
|
|
" of share %s.") % share['id'])
|
|
|
|
services = self.db.service_get_all_by_topic(context, 'manila-data')
|
|
|
|
if len(services) > 0 and utils.service_is_up(services[0]):
|
|
|
|
try:
|
|
result = data_rpc.data_copy_get_progress(
|
|
context, share['id'])
|
|
except Exception:
|
|
msg = _("Failed to obtain migration progress of share "
|
|
"%s.") % share['id']
|
|
LOG.exception(msg)
|
|
raise exception.ShareMigrationError(reason=msg)
|
|
else:
|
|
result = None
|
|
else:
|
|
result = self._migration_get_progress_state(share)
|
|
|
|
if not (result and result.get('total_progress') is not None):
|
|
msg = self._migration_validate_error_message(share)
|
|
if msg is None:
|
|
msg = _("Migration progress of share %s cannot be obtained at "
|
|
"this moment.") % share['id']
|
|
LOG.error(msg)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
return result
|
|
|
|
def _migration_get_progress_state(self, share):
|
|
|
|
task_state = share['task_state']
|
|
if task_state in (constants.TASK_STATE_MIGRATION_SUCCESS,
|
|
constants.TASK_STATE_DATA_COPYING_ERROR,
|
|
constants.TASK_STATE_MIGRATION_CANCELLED,
|
|
constants.TASK_STATE_MIGRATION_COMPLETING,
|
|
constants.TASK_STATE_MIGRATION_DRIVER_PHASE1_DONE,
|
|
constants.TASK_STATE_DATA_COPYING_COMPLETED,
|
|
constants.TASK_STATE_DATA_COPYING_COMPLETING,
|
|
constants.TASK_STATE_DATA_COPYING_CANCELLED,
|
|
constants.TASK_STATE_MIGRATION_ERROR):
|
|
return {'total_progress': 100}
|
|
elif task_state in (constants.TASK_STATE_MIGRATION_STARTING,
|
|
constants.TASK_STATE_MIGRATION_DRIVER_STARTING,
|
|
constants.TASK_STATE_DATA_COPYING_STARTING,
|
|
constants.TASK_STATE_MIGRATION_IN_PROGRESS):
|
|
return {'total_progress': 0}
|
|
else:
|
|
return None
|
|
|
|
def _migration_validate_error_message(self, share):
|
|
|
|
task_state = share['task_state']
|
|
if task_state == constants.TASK_STATE_MIGRATION_SUCCESS:
|
|
msg = _("Migration of share %s has already "
|
|
"completed.") % share['id']
|
|
elif task_state in (None, constants.TASK_STATE_MIGRATION_ERROR):
|
|
msg = _("There is no migration being performed for share %s "
|
|
"at this moment.") % share['id']
|
|
elif task_state == constants.TASK_STATE_MIGRATION_CANCELLED:
|
|
msg = _("Migration of share %s was already "
|
|
"cancelled.") % share['id']
|
|
elif task_state in (constants.TASK_STATE_MIGRATION_DRIVER_PHASE1_DONE,
|
|
constants.TASK_STATE_DATA_COPYING_COMPLETED):
|
|
msg = _("Migration of share %s has already completed first "
|
|
"phase.") % share['id']
|
|
else:
|
|
return None
|
|
return msg
|
|
|
|
def migration_cancel(self, context, share):
|
|
|
|
migrating = True
|
|
if share['task_state'] in (
|
|
constants.TASK_STATE_DATA_COPYING_COMPLETED,
|
|
constants.TASK_STATE_MIGRATION_DRIVER_PHASE1_DONE,
|
|
constants.TASK_STATE_MIGRATION_DRIVER_IN_PROGRESS):
|
|
|
|
share_instance_id, migrating_instance_id = (
|
|
self.get_migrating_instances(share))
|
|
|
|
share_instance_ref = self.db.share_instance_get(
|
|
context, share_instance_id, with_share_data=True)
|
|
|
|
service_host = share_utils.extract_host(share_instance_ref['host'])
|
|
|
|
service = self.db.service_get_by_args(
|
|
context, service_host, 'manila-share')
|
|
|
|
if utils.service_is_up(service):
|
|
self.share_rpcapi.migration_cancel(
|
|
context, share_instance_ref, migrating_instance_id)
|
|
else:
|
|
migrating = False
|
|
|
|
elif share['task_state'] == (
|
|
constants.TASK_STATE_DATA_COPYING_IN_PROGRESS):
|
|
|
|
data_rpc = data_rpcapi.DataAPI()
|
|
LOG.info(_LI("Sending request to cancel migration of "
|
|
"share %s.") % share['id'])
|
|
|
|
services = self.db.service_get_all_by_topic(context, 'manila-data')
|
|
|
|
if len(services) > 0 and utils.service_is_up(services[0]):
|
|
try:
|
|
data_rpc.data_copy_cancel(context, share['id'])
|
|
except Exception:
|
|
msg = _("Failed to cancel migration of share "
|
|
"%s.") % share['id']
|
|
LOG.exception(msg)
|
|
raise exception.ShareMigrationError(reason=msg)
|
|
else:
|
|
migrating = False
|
|
|
|
else:
|
|
migrating = False
|
|
|
|
if not migrating:
|
|
msg = self._migration_validate_error_message(share)
|
|
if msg is None:
|
|
msg = _("Migration of share %s cannot be cancelled at this "
|
|
"moment.") % share['id']
|
|
LOG.error(msg)
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def delete_snapshot(self, context, snapshot, force=False):
|
|
statuses = (constants.STATUS_AVAILABLE, constants.STATUS_ERROR)
|
|
if not (force or snapshot['aggregate_status'] in statuses):
|
|
msg = _("Share Snapshot status must be one of %(statuses)s.") % {
|
|
"statuses": statuses}
|
|
raise exception.InvalidShareSnapshot(reason=msg)
|
|
|
|
share = self.db.share_get(context, snapshot['share_id'])
|
|
|
|
snapshot_instances = (
|
|
self.db.share_snapshot_instance_get_all_with_filters(
|
|
context, {'snapshot_ids': snapshot['id']})
|
|
)
|
|
|
|
for snapshot_instance in snapshot_instances:
|
|
self.db.share_snapshot_instance_update(
|
|
context, snapshot_instance['id'],
|
|
{'status': constants.STATUS_DELETING})
|
|
|
|
if share['has_replicas']:
|
|
self.share_rpcapi.delete_replicated_snapshot(
|
|
context, snapshot, share['instance']['host'],
|
|
share_id=share['id'], force=force)
|
|
else:
|
|
self.share_rpcapi.delete_snapshot(
|
|
context, snapshot, share['instance']['host'], force=force)
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def update(self, context, share, fields):
|
|
if 'is_public' in fields:
|
|
try:
|
|
fields['is_public'] = strutils.bool_from_string(
|
|
fields['is_public'], strict=True)
|
|
except ValueError as e:
|
|
raise exception.InvalidParameterValue(six.text_type(e))
|
|
return self.db.share_update(context, share['id'], fields)
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def snapshot_update(self, context, snapshot, fields):
|
|
return self.db.share_snapshot_update(context, snapshot['id'], fields)
|
|
|
|
def get(self, context, share_id):
|
|
rv = self.db.share_get(context, share_id)
|
|
if not rv['is_public']:
|
|
policy.check_policy(context, 'share', 'get', rv)
|
|
return rv
|
|
|
|
def get_all(self, context, search_opts=None, sort_key='created_at',
|
|
sort_dir='desc'):
|
|
policy.check_policy(context, 'share', 'get_all')
|
|
|
|
if search_opts is None:
|
|
search_opts = {}
|
|
|
|
LOG.debug("Searching for shares by: %s", search_opts)
|
|
|
|
# Prepare filters
|
|
filters = {}
|
|
if 'metadata' in search_opts:
|
|
filters['metadata'] = search_opts.pop('metadata')
|
|
if not isinstance(filters['metadata'], dict):
|
|
msg = _("Wrong metadata filter provided: "
|
|
"%s.") % six.text_type(filters['metadata'])
|
|
raise exception.InvalidInput(reason=msg)
|
|
if 'extra_specs' in search_opts:
|
|
# Verify policy for extra-specs access
|
|
extensions.extension_authorizer(
|
|
'share', 'types_extra_specs')(context)
|
|
filters['extra_specs'] = search_opts.pop('extra_specs')
|
|
if not isinstance(filters['extra_specs'], dict):
|
|
msg = _("Wrong extra specs filter provided: "
|
|
"%s.") % six.text_type(filters['extra_specs'])
|
|
raise exception.InvalidInput(reason=msg)
|
|
if not (isinstance(sort_key, six.string_types) and sort_key):
|
|
msg = _("Wrong sort_key filter provided: "
|
|
"'%s'.") % six.text_type(sort_key)
|
|
raise exception.InvalidInput(reason=msg)
|
|
if not (isinstance(sort_dir, six.string_types) and sort_dir):
|
|
msg = _("Wrong sort_dir filter provided: "
|
|
"'%s'.") % six.text_type(sort_dir)
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
is_public = search_opts.pop('is_public', False)
|
|
is_public = strutils.bool_from_string(is_public, strict=True)
|
|
|
|
# Get filtered list of shares
|
|
if 'share_server_id' in search_opts:
|
|
# NOTE(vponomaryov): this is project_id independent
|
|
policy.check_policy(context, 'share', 'list_by_share_server_id')
|
|
shares = self.db.share_get_all_by_share_server(
|
|
context, search_opts.pop('share_server_id'), filters=filters,
|
|
sort_key=sort_key, sort_dir=sort_dir)
|
|
elif (context.is_admin and 'all_tenants' in search_opts):
|
|
shares = self.db.share_get_all(
|
|
context, filters=filters, sort_key=sort_key, sort_dir=sort_dir)
|
|
else:
|
|
shares = self.db.share_get_all_by_project(
|
|
context, project_id=context.project_id, filters=filters,
|
|
is_public=is_public, sort_key=sort_key, sort_dir=sort_dir)
|
|
|
|
# NOTE(vponomaryov): we do not need 'all_tenants' opt anymore
|
|
search_opts.pop('all_tenants', None)
|
|
|
|
if search_opts:
|
|
results = []
|
|
for s in shares:
|
|
# values in search_opts can be only strings
|
|
if all(s.get(k, None) == v for k, v in search_opts.items()):
|
|
results.append(s)
|
|
shares = results
|
|
return shares
|
|
|
|
def get_snapshot(self, context, snapshot_id):
|
|
policy.check_policy(context, 'share_snapshot', 'get_snapshot')
|
|
return self.db.share_snapshot_get(context, snapshot_id)
|
|
|
|
def get_all_snapshots(self, context, search_opts=None,
|
|
sort_key='share_id', sort_dir='desc'):
|
|
policy.check_policy(context, 'share_snapshot', 'get_all_snapshots')
|
|
|
|
search_opts = search_opts or {}
|
|
LOG.debug("Searching for snapshots by: %s", search_opts)
|
|
|
|
# Read and remove key 'all_tenants' if was provided
|
|
all_tenants = search_opts.pop('all_tenants', None)
|
|
|
|
string_args = {'sort_key': sort_key, 'sort_dir': sort_dir}
|
|
string_args.update(search_opts)
|
|
for k, v in string_args.items():
|
|
if not (isinstance(v, six.string_types) and v):
|
|
msg = _("Wrong '%(k)s' filter provided: "
|
|
"'%(v)s'.") % {'k': k, 'v': string_args[k]}
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
if (context.is_admin and all_tenants):
|
|
snapshots = self.db.share_snapshot_get_all(
|
|
context, filters=search_opts,
|
|
sort_key=sort_key, sort_dir=sort_dir)
|
|
else:
|
|
snapshots = self.db.share_snapshot_get_all_by_project(
|
|
context, context.project_id, filters=search_opts,
|
|
sort_key=sort_key, sort_dir=sort_dir)
|
|
|
|
# Remove key 'usage' if provided
|
|
search_opts.pop('usage', None)
|
|
|
|
if search_opts:
|
|
results = []
|
|
not_found = object()
|
|
for snapshot in snapshots:
|
|
for opt, value in search_opts.items():
|
|
if snapshot.get(opt, not_found) != value:
|
|
break
|
|
else:
|
|
results.append(snapshot)
|
|
snapshots = results
|
|
return snapshots
|
|
|
|
def get_latest_snapshot_for_share(self, context, share_id):
|
|
"""Get the newest snapshot of a share."""
|
|
return self.db.share_snapshot_get_latest_for_share(context, share_id)
|
|
|
|
@staticmethod
|
|
def _is_invalid_share_instance(instance):
|
|
return (instance['host'] is None
|
|
or instance['status'] in constants.
|
|
INVALID_SHARE_INSTANCE_STATUSES_FOR_ACCESS_RULE_UPDATES)
|
|
|
|
def allow_access(self, ctx, share, access_type, access_to,
|
|
access_level=None):
|
|
"""Allow access to share."""
|
|
|
|
# Access rule validation:
|
|
if access_level not in constants.ACCESS_LEVELS + (None, ):
|
|
msg = _("Invalid share access level: %s.") % access_level
|
|
raise exception.InvalidShareAccess(reason=msg)
|
|
share_access_list = self.db.share_access_get_all_by_type_and_access(
|
|
ctx, share['id'], access_type, access_to)
|
|
|
|
if len(share_access_list) > 0:
|
|
raise exception.ShareAccessExists(access_type=access_type,
|
|
access=access_to)
|
|
|
|
# Share instance validation
|
|
if any(instance for instance in share.instances
|
|
if self._is_invalid_share_instance(instance)):
|
|
msg = _("New access rules cannot be applied while the share or "
|
|
"any of its replicas or migration copies lacks a valid "
|
|
"host or is in an invalid state.")
|
|
raise exception.InvalidShare(message=msg)
|
|
|
|
values = {
|
|
'share_id': share['id'],
|
|
'access_type': access_type,
|
|
'access_to': access_to,
|
|
'access_level': access_level,
|
|
}
|
|
|
|
access = self.db.share_access_create(ctx, values)
|
|
|
|
for share_instance in share.instances:
|
|
self.allow_access_to_instance(ctx, share_instance)
|
|
|
|
return access
|
|
|
|
def allow_access_to_instance(self, context, share_instance):
|
|
self._conditionally_transition_share_instance_access_rules_status(
|
|
context, share_instance)
|
|
self.share_rpcapi.update_access(context, share_instance)
|
|
|
|
def _conditionally_transition_share_instance_access_rules_status(
|
|
self, context, share_instance):
|
|
conditionally_change = {
|
|
constants.STATUS_ACTIVE: constants.SHARE_INSTANCE_RULES_SYNCING,
|
|
}
|
|
self.access_helper.get_and_update_share_instance_access_rules_status(
|
|
context, conditionally_change=conditionally_change,
|
|
share_instance_id=share_instance['id'])
|
|
|
|
def deny_access(self, ctx, share, access):
|
|
"""Deny access to share."""
|
|
|
|
if any(instance for instance in share.instances if
|
|
self._is_invalid_share_instance(instance)):
|
|
msg = _("Access rules cannot be denied while the share, "
|
|
"any of its replicas or migration copies lacks a valid "
|
|
"host or is in an invalid state.")
|
|
raise exception.InvalidShare(message=msg)
|
|
|
|
for share_instance in share.instances:
|
|
self.deny_access_to_instance(ctx, share_instance, access)
|
|
|
|
def deny_access_to_instance(self, context, share_instance, access):
|
|
self._conditionally_transition_share_instance_access_rules_status(
|
|
context, share_instance)
|
|
updates = {'state': constants.ACCESS_STATE_QUEUED_TO_DENY}
|
|
self.access_helper.get_and_update_share_instance_access_rule(
|
|
context, access['id'], updates=updates,
|
|
share_instance_id=share_instance['id'])
|
|
|
|
self.share_rpcapi.update_access(context, share_instance)
|
|
|
|
def access_get_all(self, context, share):
|
|
"""Returns all access rules for share."""
|
|
policy.check_policy(context, 'share', 'access_get_all')
|
|
rules = self.db.share_access_get_all_for_share(context, share['id'])
|
|
return rules
|
|
|
|
def access_get(self, context, access_id):
|
|
"""Returns access rule with the id."""
|
|
policy.check_policy(context, 'share', 'access_get')
|
|
rule = self.db.share_access_get(context, access_id)
|
|
return rule
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def get_share_metadata(self, context, share):
|
|
"""Get all metadata associated with a share."""
|
|
rv = self.db.share_metadata_get(context, share['id'])
|
|
return dict(rv.items())
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def delete_share_metadata(self, context, share, key):
|
|
"""Delete the given metadata item from a share."""
|
|
self.db.share_metadata_delete(context, share['id'], key)
|
|
|
|
def _check_is_share_busy(self, share):
|
|
"""Raises an exception if share is busy with an active task."""
|
|
if share.is_busy:
|
|
msg = _("Share %(share_id)s is busy as part of an active "
|
|
"task: %(task)s.") % {
|
|
'share_id': share['id'],
|
|
'task': share['task_state']
|
|
}
|
|
raise exception.ShareBusyException(reason=msg)
|
|
|
|
def _check_metadata_properties(self, context, metadata=None):
|
|
if not metadata:
|
|
metadata = {}
|
|
|
|
for k, v in metadata.items():
|
|
if not k:
|
|
msg = _("Metadata property key is blank.")
|
|
LOG.warning(msg)
|
|
raise exception.InvalidShareMetadata(message=msg)
|
|
if len(k) > 255:
|
|
msg = _("Metadata property key is "
|
|
"greater than 255 characters.")
|
|
LOG.warning(msg)
|
|
raise exception.InvalidShareMetadataSize(message=msg)
|
|
if not v:
|
|
msg = _("Metadata property value is blank.")
|
|
LOG.warning(msg)
|
|
raise exception.InvalidShareMetadata(message=msg)
|
|
if len(v) > 1023:
|
|
msg = _("Metadata property value is "
|
|
"greater than 1023 characters.")
|
|
LOG.warning(msg)
|
|
raise exception.InvalidShareMetadataSize(message=msg)
|
|
|
|
@policy.wrap_check_policy('share')
|
|
def update_share_metadata(self, context, share, metadata, delete=False):
|
|
"""Updates or creates share metadata.
|
|
|
|
If delete is True, metadata items that are not specified in the
|
|
`metadata` argument will be deleted.
|
|
|
|
"""
|
|
orig_meta = self.get_share_metadata(context, share)
|
|
if delete:
|
|
_metadata = metadata
|
|
else:
|
|
_metadata = orig_meta.copy()
|
|
_metadata.update(metadata)
|
|
|
|
self._check_metadata_properties(context, _metadata)
|
|
self.db.share_metadata_update(context, share['id'],
|
|
_metadata, delete)
|
|
|
|
return _metadata
|
|
|
|
def get_share_network(self, context, share_net_id):
|
|
return self.db.share_network_get(context, share_net_id)
|
|
|
|
def extend(self, context, share, new_size):
|
|
policy.check_policy(context, 'share', 'extend')
|
|
|
|
if share['status'] != constants.STATUS_AVAILABLE:
|
|
msg_params = {
|
|
'valid_status': constants.STATUS_AVAILABLE,
|
|
'share_id': share['id'],
|
|
'status': share['status'],
|
|
}
|
|
msg = _("Share %(share_id)s status must be '%(valid_status)s' "
|
|
"to extend, but current status is: "
|
|
"%(status)s.") % msg_params
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
size_increase = int(new_size) - share['size']
|
|
if size_increase <= 0:
|
|
msg = (_("New size for extend must be greater "
|
|
"than current size. (current: %(size)s, "
|
|
"extended: %(new_size)s).") % {'new_size': new_size,
|
|
'size': share['size']})
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
try:
|
|
# we give the user_id of the share, to update the quota usage
|
|
# for the user, who created the share, because on share delete
|
|
# only this quota will be decreased
|
|
reservations = QUOTAS.reserve(context,
|
|
project_id=share['project_id'],
|
|
gigabytes=size_increase,
|
|
user_id=share['user_id'])
|
|
except exception.OverQuota as exc:
|
|
usages = exc.kwargs['usages']
|
|
quotas = exc.kwargs['quotas']
|
|
|
|
def _consumed(name):
|
|
return usages[name]['reserved'] + usages[name]['in_use']
|
|
|
|
msg = _LE("Quota exceeded for %(s_pid)s, tried to extend share "
|
|
"by %(s_size)sG, (%(d_consumed)dG of %(d_quota)dG "
|
|
"already consumed).")
|
|
LOG.error(msg, {'s_pid': context.project_id,
|
|
's_size': size_increase,
|
|
'd_consumed': _consumed('gigabytes'),
|
|
'd_quota': quotas['gigabytes']})
|
|
raise exception.ShareSizeExceedsAvailableQuota(
|
|
requested=size_increase,
|
|
consumed=_consumed('gigabytes'),
|
|
quota=quotas['gigabytes'])
|
|
|
|
self.update(context, share, {'status': constants.STATUS_EXTENDING})
|
|
self.share_rpcapi.extend_share(context, share, new_size, reservations)
|
|
LOG.info(_LI("Extend share request issued successfully."),
|
|
resource=share)
|
|
|
|
def shrink(self, context, share, new_size):
|
|
policy.check_policy(context, 'share', 'shrink')
|
|
|
|
status = six.text_type(share['status']).lower()
|
|
valid_statuses = (constants.STATUS_AVAILABLE,
|
|
constants.STATUS_SHRINKING_POSSIBLE_DATA_LOSS_ERROR)
|
|
|
|
if status not in valid_statuses:
|
|
msg_params = {
|
|
'valid_status': ", ".join(valid_statuses),
|
|
'share_id': share['id'],
|
|
'status': status,
|
|
}
|
|
msg = _("Share %(share_id)s status must in (%(valid_status)s) "
|
|
"to shrink, but current status is: "
|
|
"%(status)s.") % msg_params
|
|
raise exception.InvalidShare(reason=msg)
|
|
|
|
self._check_is_share_busy(share)
|
|
|
|
size_decrease = int(share['size']) - int(new_size)
|
|
if size_decrease <= 0 or new_size <= 0:
|
|
msg = (_("New size for shrink must be less "
|
|
"than current size and greater than 0 (current: %(size)s,"
|
|
" new: %(new_size)s)") % {'new_size': new_size,
|
|
'size': share['size']})
|
|
raise exception.InvalidInput(reason=msg)
|
|
|
|
self.update(context, share, {'status': constants.STATUS_SHRINKING})
|
|
self.share_rpcapi.shrink_share(context, share, new_size)
|
|
LOG.info(_LI("Shrink share (id=%(id)s) request issued successfully."
|
|
" New size: %(size)s") % {'id': share['id'],
|
|
'size': new_size})
|
|
|
|
def snapshot_allow_access(self, context, snapshot, access_type, access_to):
|
|
"""Allow access to a share snapshot."""
|
|
|
|
filters = {'access_to': access_to,
|
|
'access_type': access_type}
|
|
|
|
access_list = self.db.share_snapshot_access_get_all_for_share_snapshot(
|
|
context, snapshot['id'], filters)
|
|
|
|
if len(access_list) > 0:
|
|
raise exception.ShareSnapshotAccessExists(access_type=access_type,
|
|
access=access_to)
|
|
|
|
values = {
|
|
'share_snapshot_id': snapshot['id'],
|
|
'access_type': access_type,
|
|
'access_to': access_to,
|
|
}
|
|
|
|
if any((instance['status'] != constants.STATUS_AVAILABLE) or
|
|
(instance['share_instance']['host'] is None)
|
|
for instance in snapshot.instances):
|
|
msg = _("New access rules cannot be applied while the snapshot or "
|
|
"any of its replicas or migration copies lacks a valid "
|
|
"host or is not in %s state.") % constants.STATUS_AVAILABLE
|
|
|
|
raise exception.InvalidShareSnapshotInstance(reason=msg)
|
|
|
|
access = self.db.share_snapshot_access_create(context, values)
|
|
|
|
for snapshot_instance in snapshot.instances:
|
|
self.share_rpcapi.snapshot_update_access(
|
|
context, snapshot_instance)
|
|
|
|
return access
|
|
|
|
def snapshot_deny_access(self, context, snapshot, access):
|
|
"""Deny access to a share snapshot."""
|
|
if any((instance['status'] != constants.STATUS_AVAILABLE) or
|
|
(instance['share_instance']['host'] is None)
|
|
for instance in snapshot.instances):
|
|
msg = _("Access rules cannot be denied while the snapshot or "
|
|
"any of its replicas or migration copies lacks a valid "
|
|
"host or is not in %s state.") % constants.STATUS_AVAILABLE
|
|
|
|
raise exception.InvalidShareSnapshotInstance(reason=msg)
|
|
|
|
for snapshot_instance in snapshot.instances:
|
|
rule = self.db.share_snapshot_instance_access_get(
|
|
context, access['id'], snapshot_instance['id'])
|
|
self.db.share_snapshot_instance_access_update(
|
|
context, rule['access_id'], snapshot_instance['id'],
|
|
{'state': constants.ACCESS_STATE_QUEUED_TO_DENY})
|
|
self.share_rpcapi.snapshot_update_access(
|
|
context, snapshot_instance)
|
|
|
|
def snapshot_access_get_all(self, context, snapshot):
|
|
"""Returns all access rules for share snapshot."""
|
|
rules = self.db.share_snapshot_access_get_all_for_share_snapshot(
|
|
context, snapshot['id'], {})
|
|
return rules
|
|
|
|
def snapshot_access_get(self, context, access_id):
|
|
"""Returns snapshot access rule with the id."""
|
|
rule = self.db.share_snapshot_access_get(context, access_id)
|
|
return rule
|
|
|
|
def snapshot_export_locations_get(self, context, snapshot):
|
|
return self.db.share_snapshot_export_locations_get(context, snapshot)
|
|
|
|
def snapshot_export_location_get(self, context, el_id):
|
|
return self.db.share_snapshot_instance_export_location_get(context,
|
|
el_id)
|