1058 lines
33 KiB
Python
1058 lines
33 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Implementation of SQLAlchemy backend."""
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import datetime
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import uuid
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import warnings
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from sqlalchemy.exc import IntegrityError
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from sqlalchemy import or_
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from sqlalchemy.orm import joinedload
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from sqlalchemy.sql.expression import literal_column
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from sqlalchemy.sql import func
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from manila.common import sqlalchemyutils
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from manila import db
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from manila.db.sqlalchemy import models
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from manila.db.sqlalchemy.session import get_session
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from manila import exception
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from manila import flags
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from manila.openstack.common import log as logging
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from manila.openstack.common import timeutils
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FLAGS = flags.FLAGS
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LOG = logging.getLogger(__name__)
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def is_admin_context(context):
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"""Indicates if the request context is an administrator."""
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if not context:
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warnings.warn(_('Use of empty request context is deprecated'),
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DeprecationWarning)
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raise Exception('die')
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return context.is_admin
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def is_user_context(context):
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"""Indicates if the request context is a normal user."""
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if not context:
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return False
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if context.is_admin:
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return False
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if not context.user_id or not context.project_id:
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return False
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return True
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def authorize_project_context(context, project_id):
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"""Ensures a request has permission to access the given project."""
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if is_user_context(context):
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if not context.project_id:
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raise exception.NotAuthorized()
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elif context.project_id != project_id:
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raise exception.NotAuthorized()
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def authorize_user_context(context, user_id):
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"""Ensures a request has permission to access the given user."""
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if is_user_context(context):
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if not context.user_id:
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raise exception.NotAuthorized()
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elif context.user_id != user_id:
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raise exception.NotAuthorized()
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def authorize_quota_class_context(context, class_name):
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"""Ensures a request has permission to access the given quota class."""
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if is_user_context(context):
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if not context.quota_class:
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raise exception.NotAuthorized()
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elif context.quota_class != class_name:
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raise exception.NotAuthorized()
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def require_admin_context(f):
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"""Decorator to require admin request context.
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The first argument to the wrapped function must be the context.
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"""
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def wrapper(*args, **kwargs):
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if not is_admin_context(args[0]):
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raise exception.AdminRequired()
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return f(*args, **kwargs)
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return wrapper
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def require_context(f):
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"""Decorator to require *any* user or admin context.
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This does no authorization for user or project access matching, see
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:py:func:`authorize_project_context` and
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:py:func:`authorize_user_context`.
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The first argument to the wrapped function must be the context.
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"""
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def wrapper(*args, **kwargs):
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if not is_admin_context(args[0]) and not is_user_context(args[0]):
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raise exception.NotAuthorized()
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return f(*args, **kwargs)
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return wrapper
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def model_query(context, *args, **kwargs):
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"""Query helper that accounts for context's `read_deleted` field.
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:param context: context to query under
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:param session: if present, the session to use
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:param read_deleted: if present, overrides context's read_deleted field.
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:param project_only: if present and context is user-type, then restrict
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query to match the context's project_id.
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"""
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session = kwargs.get('session') or get_session()
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read_deleted = kwargs.get('read_deleted') or context.read_deleted
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project_only = kwargs.get('project_only')
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query = session.query(*args)
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if read_deleted == 'no':
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query = query.filter_by(deleted=False)
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elif read_deleted == 'yes':
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pass # omit the filter to include deleted and active
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elif read_deleted == 'only':
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query = query.filter_by(deleted=True)
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else:
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raise Exception(
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_("Unrecognized read_deleted value '%s'") % read_deleted)
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if project_only and is_user_context(context):
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query = query.filter_by(project_id=context.project_id)
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return query
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def exact_filter(query, model, filters, legal_keys):
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"""Applies exact match filtering to a query.
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Returns the updated query. Modifies filters argument to remove
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filters consumed.
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:param query: query to apply filters to
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:param model: model object the query applies to, for IN-style
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filtering
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:param filters: dictionary of filters; values that are lists,
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tuples, sets, or frozensets cause an 'IN' test to
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be performed, while exact matching ('==' operator)
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is used for other values
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:param legal_keys: list of keys to apply exact filtering to
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"""
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filter_dict = {}
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# Walk through all the keys
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for key in legal_keys:
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# Skip ones we're not filtering on
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if key not in filters:
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continue
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# OK, filtering on this key; what value do we search for?
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value = filters.pop(key)
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if isinstance(value, (list, tuple, set, frozenset)):
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# Looking for values in a list; apply to query directly
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column_attr = getattr(model, key)
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query = query.filter(column_attr.in_(value))
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else:
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# OK, simple exact match; save for later
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filter_dict[key] = value
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# Apply simple exact matches
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if filter_dict:
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query = query.filter_by(**filter_dict)
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return query
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###################
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@require_admin_context
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def service_destroy(context, service_id):
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session = get_session()
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with session.begin():
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service_ref = service_get(context, service_id, session=session)
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service_ref.delete(session=session)
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@require_admin_context
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def service_get(context, service_id, session=None):
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result = model_query(
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context,
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models.Service,
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session=session).\
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filter_by(id=service_id).\
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first()
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if not result:
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raise exception.ServiceNotFound(service_id=service_id)
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return result
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@require_admin_context
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def service_get_all(context, disabled=None):
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query = model_query(context, models.Service)
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if disabled is not None:
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query = query.filter_by(disabled=disabled)
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return query.all()
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@require_admin_context
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def service_get_all_by_topic(context, topic):
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return model_query(
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context, models.Service, read_deleted="no").\
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filter_by(disabled=False).\
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filter_by(topic=topic).\
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all()
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@require_admin_context
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def service_get_by_host_and_topic(context, host, topic):
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result = model_query(
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context, models.Service, read_deleted="no").\
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filter_by(disabled=False).\
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filter_by(host=host).\
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filter_by(topic=topic).\
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first()
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if not result:
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raise exception.ServiceNotFound(service_id=None)
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return result
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@require_admin_context
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def service_get_all_by_host(context, host):
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return model_query(
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context, models.Service, read_deleted="no").\
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filter_by(host=host).\
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all()
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@require_admin_context
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def _service_get_all_topic_subquery(context, session, topic, subq, label):
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sort_value = getattr(subq.c, label)
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return model_query(context, models.Service,
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func.coalesce(sort_value, 0),
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session=session, read_deleted="no").\
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filter_by(topic=topic).\
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filter_by(disabled=False).\
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outerjoin((subq, models.Service.host == subq.c.host)).\
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order_by(sort_value).\
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all()
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@require_admin_context
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def service_get_all_share_sorted(context):
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session = get_session()
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with session.begin():
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topic = FLAGS.share_topic
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label = 'share_gigabytes'
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subq = model_query(context, models.Share.host,
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func.sum(models.Share.size).label(label),
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session=session, read_deleted="no").\
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group_by(models.Share.host).\
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subquery()
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return _service_get_all_topic_subquery(context,
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session,
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topic,
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subq,
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label)
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@require_admin_context
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def service_get_by_args(context, host, binary):
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result = model_query(context, models.Service).\
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filter_by(host=host).\
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filter_by(binary=binary).\
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first()
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if not result:
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raise exception.HostBinaryNotFound(host=host, binary=binary)
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return result
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@require_admin_context
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def service_create(context, values):
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service_ref = models.Service()
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service_ref.update(values)
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if not FLAGS.enable_new_services:
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service_ref.disabled = True
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service_ref.save()
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return service_ref
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@require_admin_context
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def service_update(context, service_id, values):
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session = get_session()
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with session.begin():
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service_ref = service_get(context, service_id, session=session)
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service_ref.update(values)
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service_ref.save(session=session)
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###################
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@require_context
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def quota_get(context, project_id, resource, session=None):
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result = model_query(context, models.Quota, session=session,
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read_deleted="no").\
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filter_by(project_id=project_id).\
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filter_by(resource=resource).\
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first()
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if not result:
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raise exception.ProjectQuotaNotFound(project_id=project_id)
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return result
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@require_context
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def quota_get_all_by_project(context, project_id):
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authorize_project_context(context, project_id)
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rows = model_query(context, models.Quota, read_deleted="no").\
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filter_by(project_id=project_id).\
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all()
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result = {'project_id': project_id}
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for row in rows:
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result[row.resource] = row.hard_limit
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return result
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@require_admin_context
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def quota_create(context, project_id, resource, limit):
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quota_ref = models.Quota()
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quota_ref.project_id = project_id
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quota_ref.resource = resource
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quota_ref.hard_limit = limit
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quota_ref.save()
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return quota_ref
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@require_admin_context
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def quota_update(context, project_id, resource, limit):
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session = get_session()
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with session.begin():
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quota_ref = quota_get(context, project_id, resource, session=session)
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quota_ref.hard_limit = limit
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quota_ref.save(session=session)
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@require_admin_context
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def quota_destroy(context, project_id, resource):
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session = get_session()
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with session.begin():
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quota_ref = quota_get(context, project_id, resource, session=session)
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quota_ref.delete(session=session)
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###################
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@require_context
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def quota_class_get(context, class_name, resource, session=None):
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result = model_query(context, models.QuotaClass, session=session,
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read_deleted="no").\
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filter_by(class_name=class_name).\
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filter_by(resource=resource).\
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first()
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if not result:
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raise exception.QuotaClassNotFound(class_name=class_name)
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return result
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@require_context
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def quota_class_get_all_by_name(context, class_name):
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authorize_quota_class_context(context, class_name)
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rows = model_query(context, models.QuotaClass, read_deleted="no").\
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filter_by(class_name=class_name).\
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all()
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result = {'class_name': class_name}
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for row in rows:
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result[row.resource] = row.hard_limit
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return result
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@require_admin_context
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def quota_class_create(context, class_name, resource, limit):
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quota_class_ref = models.QuotaClass()
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quota_class_ref.class_name = class_name
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quota_class_ref.resource = resource
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quota_class_ref.hard_limit = limit
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quota_class_ref.save()
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return quota_class_ref
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@require_admin_context
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def quota_class_update(context, class_name, resource, limit):
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session = get_session()
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with session.begin():
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quota_class_ref = quota_class_get(context, class_name, resource,
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session=session)
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quota_class_ref.hard_limit = limit
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quota_class_ref.save(session=session)
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@require_admin_context
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def quota_class_destroy(context, class_name, resource):
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session = get_session()
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with session.begin():
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quota_class_ref = quota_class_get(context, class_name, resource,
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session=session)
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quota_class_ref.delete(session=session)
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@require_admin_context
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def quota_class_destroy_all_by_name(context, class_name):
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session = get_session()
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with session.begin():
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quota_classes = model_query(context, models.QuotaClass,
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session=session, read_deleted="no").\
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filter_by(class_name=class_name).\
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all()
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for quota_class_ref in quota_classes:
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quota_class_ref.delete(session=session)
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###################
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@require_context
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def quota_usage_get(context, project_id, resource, session=None):
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result = model_query(context, models.QuotaUsage, session=session,
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read_deleted="no").\
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filter_by(project_id=project_id).\
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filter_by(resource=resource).\
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first()
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if not result:
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raise exception.QuotaUsageNotFound(project_id=project_id)
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return result
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@require_context
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def quota_usage_get_all_by_project(context, project_id):
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authorize_project_context(context, project_id)
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rows = model_query(context, models.QuotaUsage, read_deleted="no").\
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filter_by(project_id=project_id).\
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all()
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result = {'project_id': project_id}
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for row in rows:
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result[row.resource] = dict(in_use=row.in_use, reserved=row.reserved)
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return result
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@require_admin_context
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def quota_usage_create(context, project_id, resource, in_use, reserved,
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until_refresh, session=None):
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quota_usage_ref = models.QuotaUsage()
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quota_usage_ref.project_id = project_id
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quota_usage_ref.resource = resource
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quota_usage_ref.in_use = in_use
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quota_usage_ref.reserved = reserved
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quota_usage_ref.until_refresh = until_refresh
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quota_usage_ref.save(session=session)
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return quota_usage_ref
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###################
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@require_context
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def reservation_get(context, uuid, session=None):
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result = model_query(context, models.Reservation, session=session,
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read_deleted="no").\
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filter_by(uuid=uuid).first()
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if not result:
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raise exception.ReservationNotFound(uuid=uuid)
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return result
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@require_context
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def reservation_get_all_by_project(context, project_id):
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authorize_project_context(context, project_id)
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rows = model_query(context, models.Reservation, read_deleted="no").\
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filter_by(project_id=project_id).all()
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result = {'project_id': project_id}
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for row in rows:
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result.setdefault(row.resource, {})
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result[row.resource][row.uuid] = row.delta
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return result
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@require_admin_context
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def reservation_create(context, uuid, usage, project_id, resource, delta,
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expire, session=None):
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reservation_ref = models.Reservation()
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reservation_ref.uuid = uuid
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reservation_ref.usage_id = usage['id']
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reservation_ref.project_id = project_id
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reservation_ref.resource = resource
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reservation_ref.delta = delta
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reservation_ref.expire = expire
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reservation_ref.save(session=session)
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return reservation_ref
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@require_admin_context
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def reservation_destroy(context, uuid):
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session = get_session()
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with session.begin():
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reservation_ref = reservation_get(context, uuid, session=session)
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reservation_ref.delete(session=session)
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###################
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# NOTE(johannes): The quota code uses SQL locking to ensure races don't
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# cause under or over counting of resources. To avoid deadlocks, this
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# code always acquires the lock on quota_usages before acquiring the lock
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# on reservations.
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|
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def _get_quota_usages(context, session, project_id):
|
|
# Broken out for testability
|
|
rows = model_query(context, models.QuotaUsage,
|
|
read_deleted="no",
|
|
session=session).\
|
|
filter_by(project_id=project_id).\
|
|
with_lockmode('update').\
|
|
all()
|
|
return dict((row.resource, row) for row in rows)
|
|
|
|
|
|
@require_context
|
|
def quota_reserve(context, resources, quotas, deltas, expire,
|
|
until_refresh, max_age, project_id=None):
|
|
elevated = context.elevated()
|
|
session = get_session()
|
|
with session.begin():
|
|
if project_id is None:
|
|
project_id = context.project_id
|
|
|
|
# Get the current usages
|
|
usages = _get_quota_usages(context, session, project_id)
|
|
|
|
# Handle usage refresh
|
|
work = set(deltas.keys())
|
|
while work:
|
|
resource = work.pop()
|
|
|
|
# Do we need to refresh the usage?
|
|
refresh = False
|
|
if resource not in usages:
|
|
usages[resource] = quota_usage_create(elevated,
|
|
project_id,
|
|
resource,
|
|
0, 0,
|
|
until_refresh or None,
|
|
session=session)
|
|
refresh = True
|
|
elif usages[resource].in_use < 0:
|
|
# Negative in_use count indicates a desync, so try to
|
|
# heal from that...
|
|
refresh = True
|
|
elif usages[resource].until_refresh is not None:
|
|
usages[resource].until_refresh -= 1
|
|
if usages[resource].until_refresh <= 0:
|
|
refresh = True
|
|
elif max_age and (usages[resource].updated_at -
|
|
timeutils.utcnow()).seconds >= max_age:
|
|
refresh = True
|
|
|
|
# OK, refresh the usage
|
|
if refresh:
|
|
# Grab the sync routine
|
|
sync = resources[resource].sync
|
|
|
|
updates = sync(elevated, project_id, session)
|
|
for res, in_use in updates.items():
|
|
# Make sure we have a destination for the usage!
|
|
if res not in usages:
|
|
usages[res] = quota_usage_create(elevated,
|
|
project_id,
|
|
res,
|
|
0, 0,
|
|
until_refresh or None,
|
|
session=session)
|
|
|
|
# Update the usage
|
|
usages[res].in_use = in_use
|
|
usages[res].until_refresh = until_refresh or None
|
|
|
|
# Because more than one resource may be refreshed
|
|
# by the call to the sync routine, and we don't
|
|
# want to double-sync, we make sure all refreshed
|
|
# resources are dropped from the work set.
|
|
work.discard(res)
|
|
|
|
# NOTE(Vek): We make the assumption that the sync
|
|
# routine actually refreshes the
|
|
# resources that it is the sync routine
|
|
# for. We don't check, because this is
|
|
# a best-effort mechanism.
|
|
|
|
# Check for deltas that would go negative
|
|
unders = [resource for resource, delta in deltas.items()
|
|
if delta < 0 and
|
|
delta + usages[resource].in_use < 0]
|
|
|
|
# Now, let's check the quotas
|
|
# NOTE(Vek): We're only concerned about positive increments.
|
|
# If a project has gone over quota, we want them to
|
|
# be able to reduce their usage without any
|
|
# problems.
|
|
overs = [resource for resource, delta in deltas.items()
|
|
if quotas[resource] >= 0 and delta >= 0 and
|
|
quotas[resource] < delta + usages[resource].total]
|
|
|
|
# NOTE(Vek): The quota check needs to be in the transaction,
|
|
# but the transaction doesn't fail just because
|
|
# we're over quota, so the OverQuota raise is
|
|
# outside the transaction. If we did the raise
|
|
# here, our usage updates would be discarded, but
|
|
# they're not invalidated by being over-quota.
|
|
|
|
# Create the reservations
|
|
if not overs:
|
|
reservations = []
|
|
for resource, delta in deltas.items():
|
|
reservation = reservation_create(elevated,
|
|
str(uuid.uuid4()),
|
|
usages[resource],
|
|
project_id,
|
|
resource, delta, expire,
|
|
session=session)
|
|
reservations.append(reservation.uuid)
|
|
|
|
# Also update the reserved quantity
|
|
# NOTE(Vek): Again, we are only concerned here about
|
|
# positive increments. Here, though, we're
|
|
# worried about the following scenario:
|
|
#
|
|
# 1) User initiates resize down.
|
|
# 2) User allocates a new instance.
|
|
# 3) Resize down fails or is reverted.
|
|
# 4) User is now over quota.
|
|
#
|
|
# To prevent this, we only update the
|
|
# reserved value if the delta is positive.
|
|
if delta > 0:
|
|
usages[resource].reserved += delta
|
|
|
|
# Apply updates to the usages table
|
|
for usage_ref in usages.values():
|
|
usage_ref.save(session=session)
|
|
|
|
if unders:
|
|
LOG.warning(_("Change will make usage less than 0 for the following "
|
|
"resources: %(unders)s") % locals())
|
|
if overs:
|
|
usages = dict((k, dict(in_use=v['in_use'], reserved=v['reserved']))
|
|
for k, v in usages.items())
|
|
raise exception.OverQuota(overs=sorted(overs), quotas=quotas,
|
|
usages=usages)
|
|
|
|
return reservations
|
|
|
|
|
|
def _quota_reservations(session, context, reservations):
|
|
"""Return the relevant reservations."""
|
|
|
|
# Get the listed reservations
|
|
return model_query(context, models.Reservation,
|
|
read_deleted="no",
|
|
session=session).\
|
|
filter(models.Reservation.uuid.in_(reservations)).\
|
|
with_lockmode('update').\
|
|
all()
|
|
|
|
|
|
@require_context
|
|
def reservation_commit(context, reservations, project_id=None):
|
|
session = get_session()
|
|
with session.begin():
|
|
usages = _get_quota_usages(context, session, project_id)
|
|
|
|
for reservation in _quota_reservations(session, context, reservations):
|
|
usage = usages[reservation.resource]
|
|
if reservation.delta >= 0:
|
|
usage.reserved -= reservation.delta
|
|
usage.in_use += reservation.delta
|
|
|
|
reservation.delete(session=session)
|
|
|
|
for usage in usages.values():
|
|
usage.save(session=session)
|
|
|
|
|
|
@require_context
|
|
def reservation_rollback(context, reservations, project_id=None):
|
|
session = get_session()
|
|
with session.begin():
|
|
usages = _get_quota_usages(context, session, project_id)
|
|
|
|
for reservation in _quota_reservations(session, context, reservations):
|
|
usage = usages[reservation.resource]
|
|
if reservation.delta >= 0:
|
|
usage.reserved -= reservation.delta
|
|
|
|
reservation.delete(session=session)
|
|
|
|
for usage in usages.values():
|
|
usage.save(session=session)
|
|
|
|
|
|
@require_admin_context
|
|
def quota_destroy_all_by_project(context, project_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
quotas = model_query(context, models.Quota, session=session,
|
|
read_deleted="no").\
|
|
filter_by(project_id=project_id).\
|
|
all()
|
|
|
|
for quota_ref in quotas:
|
|
quota_ref.delete(session=session)
|
|
|
|
quota_usages = model_query(context, models.QuotaUsage,
|
|
session=session, read_deleted="no").\
|
|
filter_by(project_id=project_id).\
|
|
all()
|
|
|
|
for quota_usage_ref in quota_usages:
|
|
quota_usage_ref.delete(session=session)
|
|
|
|
reservations = model_query(context, models.Reservation,
|
|
session=session, read_deleted="no").\
|
|
filter_by(project_id=project_id).\
|
|
all()
|
|
|
|
for reservation_ref in reservations:
|
|
reservation_ref.delete(session=session)
|
|
|
|
|
|
@require_admin_context
|
|
def reservation_expire(context):
|
|
session = get_session()
|
|
with session.begin():
|
|
current_time = timeutils.utcnow()
|
|
results = model_query(context, models.Reservation, session=session,
|
|
read_deleted="no").\
|
|
filter(models.Reservation.expire < current_time).\
|
|
all()
|
|
|
|
if results:
|
|
for reservation in results:
|
|
if reservation.delta >= 0:
|
|
reservation.usage.reserved -= reservation.delta
|
|
reservation.usage.save(session=session)
|
|
|
|
reservation.delete(session=session)
|
|
|
|
|
|
################
|
|
|
|
|
|
def _share_get_query(context, session=None):
|
|
if session is None:
|
|
session = get_session()
|
|
return model_query(context, models.Share, session=session)
|
|
|
|
|
|
@require_context
|
|
def share_create(context, values):
|
|
share_ref = models.Share()
|
|
if not values.get('id'):
|
|
values['id'] = str(uuid.uuid4())
|
|
share_ref.update(values)
|
|
session = get_session()
|
|
with session.begin():
|
|
share_ref.save(session=session)
|
|
|
|
return share_ref
|
|
|
|
|
|
@require_admin_context
|
|
def share_data_get_for_project(context, project_id, session=None):
|
|
query = model_query(context,
|
|
func.count(models.Share.id),
|
|
func.sum(models.Share.size),
|
|
read_deleted="no",
|
|
session=session).\
|
|
filter_by(project_id=project_id)
|
|
|
|
result = query.first()
|
|
|
|
return (result[0] or 0, result[1] or 0)
|
|
|
|
|
|
@require_context
|
|
def share_update(context, share_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
share_ref = share_get(context, share_id, session=session)
|
|
share_ref.update(values)
|
|
share_ref.save(session=session)
|
|
return share_ref
|
|
|
|
|
|
@require_context
|
|
def share_get(context, share_id, session=None):
|
|
result = _share_get_query(context, session).filter_by(id=share_id).first()
|
|
if result is None:
|
|
raise exception.NotFound()
|
|
return result
|
|
|
|
|
|
@require_admin_context
|
|
def share_get_all(context):
|
|
return _share_get_query(context).all()
|
|
|
|
|
|
@require_admin_context
|
|
def share_get_all_by_host(context, host):
|
|
query = _share_get_query(context)
|
|
return query.filter_by(host=host).all()
|
|
|
|
|
|
@require_context
|
|
def share_get_all_by_project(context, project_id):
|
|
"""Returns list of shares with given project ID."""
|
|
return _share_get_query(context).filter_by(project_id=project_id).all()
|
|
|
|
|
|
@require_context
|
|
def share_delete(context, share_id):
|
|
session = get_session()
|
|
share_ref = share_get(context, share_id, session)
|
|
share_ref.update({'deleted': True,
|
|
'deleted_at': timeutils.utcnow(),
|
|
'updated_at': literal_column('updated_at'),
|
|
'status': 'deleted'})
|
|
share_ref.save(session)
|
|
|
|
|
|
###################
|
|
|
|
|
|
def _share_access_get_query(context, session, values):
|
|
"""
|
|
Get access record.
|
|
"""
|
|
query = model_query(context, models.ShareAccessMapping, session=session)
|
|
return query.filter_by(**values)
|
|
|
|
|
|
@require_context
|
|
def share_access_create(context, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
access_ref = models.ShareAccessMapping()
|
|
if not values.get('id'):
|
|
values['id'] = str(uuid.uuid4())
|
|
access_ref.update(values)
|
|
access_ref.save(session=session)
|
|
return access_ref
|
|
|
|
|
|
@require_context
|
|
def share_access_get(context, access_id):
|
|
"""
|
|
Get access record.
|
|
"""
|
|
session = get_session()
|
|
access = _share_access_get_query(context, session,
|
|
{'id': access_id}).first()
|
|
if access:
|
|
return access
|
|
else:
|
|
raise exception.NotFound()
|
|
|
|
|
|
@require_context
|
|
def share_access_get_all_for_share(context, share_id):
|
|
session = get_session()
|
|
return _share_access_get_query(context, session,
|
|
{'share_id': share_id}).all()
|
|
|
|
|
|
@require_context
|
|
def share_access_delete(context, access_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
session.query(models.ShareAccessMapping).\
|
|
filter_by(id=access_id).\
|
|
update({'deleted': True,
|
|
'deleted_at': timeutils.utcnow(),
|
|
'updated_at': literal_column('updated_at'),
|
|
'state': models.ShareAccessMapping.STATE_DELETED})
|
|
|
|
|
|
@require_context
|
|
def share_access_update(context, access_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
access = _share_access_get_query(context, session, {'id': access_id})
|
|
access = access.one()
|
|
access.update(values)
|
|
access.save(session=session)
|
|
return access
|
|
|
|
|
|
###################
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_create(context, values):
|
|
snapshot_ref = models.ShareSnapshot()
|
|
if not values.get('id'):
|
|
values['id'] = str(uuid.uuid4())
|
|
snapshot_ref.update(values)
|
|
|
|
session = get_session()
|
|
with session.begin():
|
|
snapshot_ref.save(session=session)
|
|
|
|
return share_snapshot_get(context, values['id'], session=session)
|
|
|
|
|
|
@require_admin_context
|
|
def snapshot_data_get_for_project(context, project_id, session=None):
|
|
# TODO(yportnova): Uncomment when snapshot size implemented
|
|
raise NotImplementedError()
|
|
#
|
|
# query = model_query(context,
|
|
# func.count(models.ShareSnapshot.id),
|
|
# func.sum(models.ShareSnapshot.size),
|
|
# read_deleted="no",
|
|
# session=session).\
|
|
# filter_by(project_id=project_id)
|
|
#
|
|
# result = query.first()
|
|
#
|
|
# return (result[0] or 0, result[1] or 0)
|
|
|
|
|
|
@require_admin_context
|
|
def share_snapshot_destroy(context, snapshot_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
session.query(models.ShareSnapshot).\
|
|
filter_by(id=snapshot_id).\
|
|
update({'status': 'deleted',
|
|
'deleted': True,
|
|
'deleted_at': timeutils.utcnow(),
|
|
'updated_at': literal_column('updated_at')})
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_get(context, snapshot_id, session=None):
|
|
result = model_query(context, models.ShareSnapshot, session=session,
|
|
project_only=True).\
|
|
filter_by(id=snapshot_id).\
|
|
first()
|
|
|
|
if not result:
|
|
raise exception.ShareSnapshotNotFound(snapshot_id=snapshot_id)
|
|
|
|
return result
|
|
|
|
|
|
@require_admin_context
|
|
def share_snapshot_get_all(context):
|
|
return model_query(context, models.ShareSnapshot).all()
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_get_all_by_project(context, project_id):
|
|
authorize_project_context(context, project_id)
|
|
return model_query(context, models.ShareSnapshot).\
|
|
filter_by(project_id=project_id).\
|
|
all()
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_get_all_for_share(context, share_id):
|
|
return model_query(context, models.ShareSnapshot, read_deleted='no',
|
|
project_only=True).\
|
|
filter_by(share_id=share_id).all()
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_data_get_for_project(context, project_id, session=None):
|
|
authorize_project_context(context, project_id)
|
|
result = model_query(context,
|
|
func.count(models.ShareSnapshot.id),
|
|
func.sum(models.ShareSnapshot.share_size),
|
|
read_deleted="no",
|
|
session=session).\
|
|
filter_by(project_id=project_id).\
|
|
first()
|
|
|
|
# NOTE(vish): convert None to 0
|
|
return (result[0] or 0, result[1] or 0)
|
|
|
|
|
|
@require_context
|
|
def share_snapshot_update(context, snapshot_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
snapshot_ref = share_snapshot_get(context, snapshot_id,
|
|
session=session)
|
|
snapshot_ref.update(values)
|
|
snapshot_ref.save(session=session)
|