5caaa8fb21
- The container with status DELETED is not removed automatically. This patch will add delete_container method to remove it in periodic task. - Increase the severity of log level to Info. - Support filter container with status, task_state. - Change param handlers to endpoints for consistent. Change-Id: I0c703fc2c69c9a582e7cb3b34e8aa08c098e37e4 Depends-On: Ic6d35274a49648bde5e0e7486453a6d1a13f6f2e Related-Bug: #1644901 Closes-Bug: #1701984
748 lines
28 KiB
Python
748 lines
28 KiB
Python
# Copyright 2013 Hewlett-Packard Development Company, L.P.
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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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"""SQLAlchemy storage backend."""
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from oslo_db import exception as db_exc
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from oslo_db.sqlalchemy import session as db_session
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from oslo_db.sqlalchemy import utils as db_utils
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from oslo_utils import importutils
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from oslo_utils import strutils
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from oslo_utils import timeutils
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from oslo_utils import uuidutils
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import sqlalchemy as sa
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from sqlalchemy.orm import contains_eager
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from sqlalchemy.orm.exc import MultipleResultsFound
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from sqlalchemy.orm.exc import NoResultFound
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from sqlalchemy.sql import func
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from zun.common import exception
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from zun.common.i18n import _
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import zun.conf
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from zun.db.sqlalchemy import models
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profiler_sqlalchemy = importutils.try_import('osprofiler.sqlalchemy')
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CONF = zun.conf.CONF
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_FACADE = None
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def _create_facade_lazily():
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global _FACADE
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if _FACADE is None:
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_FACADE = db_session.enginefacade.get_legacy_facade()
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if profiler_sqlalchemy:
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if CONF.profiler.enabled and CONF.profiler.trace_sqlalchemy:
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profiler_sqlalchemy.add_tracing(sa, _FACADE.get_engine(), "db")
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return _FACADE
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def get_engine():
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facade = _create_facade_lazily()
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return facade.get_engine()
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def get_session(**kwargs):
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facade = _create_facade_lazily()
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return facade.get_session(**kwargs)
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def get_backend():
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"""The backend is this module itself."""
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return Connection()
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def model_query(model, *args, **kwargs):
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"""Query helper for simpler session usage.
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:param session: if present, the session to use
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"""
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session = kwargs.get('session') or get_session()
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query = session.query(model, *args)
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return query
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def add_identity_filter(query, value):
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"""Adds an identity filter to a query.
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Filters results by ID, if supplied value is a valid integer.
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Otherwise attempts to filter results by UUID.
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:param query: Initial query to add filter to.
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:param value: Value for filtering results by.
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:return: Modified query.
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"""
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if strutils.is_int_like(value):
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return query.filter_by(id=value)
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elif uuidutils.is_uuid_like(value):
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return query.filter_by(uuid=value)
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else:
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raise exception.InvalidIdentity(identity=value)
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def _paginate_query(model, limit=None, marker=None, sort_key=None,
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sort_dir=None, query=None, default_sort_key='id'):
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if not query:
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query = model_query(model)
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sort_keys = [default_sort_key]
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if sort_key and sort_key not in sort_keys:
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sort_keys.insert(0, sort_key)
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try:
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query = db_utils.paginate_query(query, model, limit, sort_keys,
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marker=marker, sort_dir=sort_dir)
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except db_exc.InvalidSortKey:
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raise exception.InvalidParameterValue(
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_('The sort_key value "%(key)s" is an invalid field for sorting')
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% {'key': sort_key})
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return query.all()
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class Connection(object):
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"""SqlAlchemy connection."""
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def __init__(self):
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pass
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def _add_tenant_filters(self, context, query):
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if context.is_admin and context.all_tenants:
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return query
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if context.project_id:
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query = query.filter_by(project_id=context.project_id)
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else:
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query = query.filter_by(user_id=context.user_id)
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return query
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def _add_containers_filters(self, query, filters):
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if filters is None:
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filters = {}
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filter_names = ['name', 'image', 'project_id', 'user_id',
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'memory', 'host', 'task_state', 'status',
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'auto_remove']
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for name in filter_names:
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if name in filters:
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query = query.filter_by(**{name: filters[name]})
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return query
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def list_containers(self, context, filters=None, limit=None,
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marker=None, sort_key=None, sort_dir=None):
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query = model_query(models.Container)
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query = self._add_tenant_filters(context, query)
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query = self._add_containers_filters(query, filters)
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return _paginate_query(models.Container, limit, marker,
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sort_key, sort_dir, query)
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def _validate_unique_container_name(self, context, name):
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if not CONF.compute.unique_container_name_scope:
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return
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lowername = name.lower()
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base_query = model_query(models.Container).\
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filter(func.lower(models.Container.name) == lowername)
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if CONF.compute.unique_container_name_scope == 'project':
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container_with_same_name = base_query.\
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filter_by(project_id=context.project_id).count()
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elif CONF.compute.unique_container_name_scope == 'global':
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container_with_same_name = base_query.count()
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else:
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return
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if container_with_same_name > 0:
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raise exception.ContainerAlreadyExists(field='name',
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value=lowername)
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def create_container(self, context, values):
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# ensure defaults are present for new containers
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if not values.get('uuid'):
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values['uuid'] = uuidutils.generate_uuid()
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if values.get('name'):
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self._validate_unique_container_name(context, values['name'])
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container = models.Container()
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container.update(values)
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try:
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container.save()
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except db_exc.DBDuplicateEntry:
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raise exception.ContainerAlreadyExists(field='UUID',
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value=values['uuid'])
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return container
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def get_container_by_uuid(self, context, container_uuid):
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query = model_query(models.Container)
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query = self._add_tenant_filters(context, query)
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query = query.filter_by(uuid=container_uuid)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ContainerNotFound(container=container_uuid)
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def get_container_by_name(self, context, container_name):
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query = model_query(models.Container)
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query = self._add_tenant_filters(context, query)
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query = query.filter_by(name=container_name)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ContainerNotFound(container=container_name)
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except MultipleResultsFound:
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raise exception.Conflict('Multiple containers exist with same '
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'name. Please use the container uuid '
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'instead.')
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def destroy_container(self, context, container_id):
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session = get_session()
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with session.begin():
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query = model_query(models.Container, session=session)
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query = add_identity_filter(query, container_id)
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count = query.delete()
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if count != 1:
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raise exception.ContainerNotFound(container_id)
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def update_container(self, context, container_id, values):
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# NOTE(dtantsur): this can lead to very strange errors
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if 'uuid' in values:
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msg = _("Cannot overwrite UUID for an existing Container.")
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raise exception.InvalidParameterValue(err=msg)
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if 'name' in values:
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self._validate_unique_container_name(context, values['name'])
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return self._do_update_container(container_id, values)
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def _do_update_container(self, container_id, values):
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session = get_session()
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with session.begin():
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query = model_query(models.Container, session=session)
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query = add_identity_filter(query, container_id)
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try:
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ref = query.with_lockmode('update').one()
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except NoResultFound:
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raise exception.ContainerNotFound(container=container_id)
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ref.update(values)
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return ref
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def destroy_zun_service(self, host, binary):
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session = get_session()
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with session.begin():
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query = model_query(models.ZunService, session=session)
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query = query.filter_by(host=host, binary=binary)
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count = query.delete()
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if count != 1:
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raise exception.ZunServiceNotFound(host=host, binary=binary)
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def update_zun_service(self, host, binary, values):
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session = get_session()
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with session.begin():
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query = model_query(models.ZunService, session=session)
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query = query.filter_by(host=host, binary=binary)
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try:
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ref = query.with_lockmode('update').one()
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except NoResultFound:
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raise exception.ZunServiceNotFound(host=host, binary=binary)
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if 'report_count' in values:
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if values['report_count'] > ref.report_count:
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ref.last_seen_up = timeutils.utcnow()
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ref.update(values)
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return ref
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def get_zun_service(self, host, binary):
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query = model_query(models.ZunService)
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query = query.filter_by(host=host, binary=binary)
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try:
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return query.one()
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except NoResultFound:
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return None
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def create_zun_service(self, values):
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zun_service = models.ZunService()
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zun_service.update(values)
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try:
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zun_service.save()
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except db_exc.DBDuplicateEntry:
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raise exception.ZunServiceAlreadyExists(
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host=zun_service.host, binary=zun_service.binary)
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return zun_service
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def _add_zun_service_filters(self, query, filters):
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if filters is None:
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filters = {}
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filter_names = ['disabled', 'host', 'binary', 'project_id', 'user_id']
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for name in filter_names:
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if name in filters:
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query = query.filter_by(**{name: filters[name]})
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return query
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def list_zun_services(self, filters=None, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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query = model_query(models.ZunService)
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if filters:
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query = self._add_zun_service_filters(query, filters)
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return _paginate_query(models.ZunService, limit, marker,
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sort_key, sort_dir, query)
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def list_zun_services_by_binary(cls, binary):
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query = model_query(models.ZunService)
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query = query.filter_by(binary=binary)
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return _paginate_query(models.ZunService, query=query)
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def pull_image(self, context, values):
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# ensure defaults are present for new images
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if not values.get('uuid'):
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values['uuid'] = uuidutils.generate_uuid()
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image = models.Image()
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image.update(values)
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try:
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image.save()
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except db_exc.DBDuplicateEntry:
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raise exception.ImageAlreadyExists(tag=values['tag'],
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repo=values['repo'])
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return image
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def update_image(self, image_id, values):
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# NOTE(dtantsur): this can lead to very strange errors
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if 'uuid' in values:
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msg = _("Cannot overwrite UUID for an existing Image.")
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raise exception.InvalidParameterValue(err=msg)
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return self._do_update_image(image_id, values)
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def _do_update_image(self, image_id, values):
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session = get_session()
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with session.begin():
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query = model_query(models.Image, session=session)
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query = add_identity_filter(query, image_id)
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try:
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ref = query.with_lockmode('update').one()
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except NoResultFound:
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raise exception.ImageNotFound(image=image_id)
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ref.update(values)
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return ref
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def _add_image_filters(self, query, filters):
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if filters is None:
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filters = {}
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filter_names = ['repo', 'project_id', 'user_id', 'size']
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for name in filter_names:
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if name in filters:
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query = query.filter_by(**{name: filters[name]})
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return query
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def list_images(self, context, filters=None, limit=None, marker=None,
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sort_key=None, sort_dir=None):
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query = model_query(models.Image)
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query = self._add_tenant_filters(context, query)
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query = self._add_image_filters(query, filters)
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return _paginate_query(models.Image, limit, marker, sort_key,
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sort_dir, query)
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def get_image_by_id(self, context, image_id):
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query = model_query(models.Image)
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query = self._add_tenant_filters(context, query)
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query = query.filter_by(id=image_id)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ImageNotFound(image=image_id)
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def get_image_by_uuid(self, context, image_uuid):
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query = model_query(models.Image)
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query = self._add_tenant_filters(context, query)
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query = query.filter_by(uuid=image_uuid)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ImageNotFound(image=image_uuid)
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def _add_resource_providers_filters(self, query, filters):
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if filters is None:
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filters = {}
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filter_names = ['name', 'root_provider', 'parent_provider', 'can_host']
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for name in filter_names:
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if name in filters:
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query = query.filter_by(**{name: filters[name]})
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return query
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def list_resource_providers(self, context, filters=None, limit=None,
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marker=None, sort_key=None, sort_dir=None):
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query = model_query(models.ResourceProvider)
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query = self._add_resource_providers_filters(query, filters)
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return _paginate_query(models.ResourceProvider, limit, marker,
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sort_key, sort_dir, query)
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def create_resource_provider(self, context, values):
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# ensure defaults are present for new resource providers
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if not values.get('uuid'):
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values['uuid'] = uuidutils.generate_uuid()
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resource_provider = models.ResourceProvider()
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resource_provider.update(values)
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try:
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resource_provider.save()
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except db_exc.DBDuplicateEntry:
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raise exception.ResourceProviderAlreadyExists(
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field='UUID', value=values['uuid'])
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return resource_provider
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def get_resource_provider(self, context, provider_ident):
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if uuidutils.is_uuid_like(provider_ident):
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return self._get_resource_provider_by_uuid(context, provider_ident)
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else:
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return self._get_resource_provider_by_name(context, provider_ident)
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def _get_resource_provider_by_uuid(self, context, provider_uuid):
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query = model_query(models.ResourceProvider)
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query = query.filter_by(uuid=provider_uuid)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ResourceProviderNotFound(
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resource_provider=provider_uuid)
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def _get_resource_provider_by_name(self, context, provider_name):
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query = model_query(models.ResourceProvider)
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query = query.filter_by(name=provider_name)
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try:
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return query.one()
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except NoResultFound:
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raise exception.ResourceProviderNotFound(
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resource_provider=provider_name)
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except MultipleResultsFound:
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raise exception.Conflict('Multiple resource providers exist with '
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'same name. Please use the uuid instead.')
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def destroy_resource_provider(self, context, provider_id):
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session = get_session()
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with session.begin():
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query = model_query(models.ResourceProvider, session=session)
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query = add_identity_filter(query, provider_id)
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count = query.delete()
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if count != 1:
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raise exception.ResourceProviderNotFound(
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resource_provider=provider_id)
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def update_resource_provider(self, context, provider_id, values):
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if 'uuid' in values:
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msg = _("Cannot overwrite UUID for an existing ResourceProvider.")
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raise exception.InvalidParameterValue(err=msg)
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return self._do_update_resource_provider(provider_id, values)
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def _do_update_resource_provider(self, provider_id, values):
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session = get_session()
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with session.begin():
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query = model_query(models.ResourceProvider, session=session)
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query = add_identity_filter(query, provider_id)
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try:
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ref = query.with_lockmode('update').one()
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except NoResultFound:
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raise exception.ResourceProviderNotFound(
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resource_provider=provider_id)
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|
ref.update(values)
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return ref
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|
|
def list_resource_classes(self, context, limit=None, marker=None,
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sort_key=None, sort_dir=None):
|
|
query = model_query(models.ResourceClass)
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|
return _paginate_query(models.ResourceClass, limit, marker,
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sort_key, sort_dir, query)
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|
|
|
def create_resource_class(self, context, values):
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|
resource = models.ResourceClass()
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resource.update(values)
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try:
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resource.save()
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except db_exc.DBDuplicateEntry:
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|
raise exception.ResourceClassAlreadyExists(
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field='uuid', value=values['uuid'])
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return resource
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|
|
def get_resource_class(self, context, resource_ident):
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|
if uuidutils.is_uuid_like(resource_ident):
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return self._get_resource_class_by_uuid(context, resource_ident)
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else:
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return self._get_resource_class_by_name(context, resource_ident)
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|
|
def _get_resource_class_by_uuid(self, context, resource_uuid):
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query = model_query(models.ResourceClass)
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query = query.filter_by(uuid=resource_uuid)
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|
try:
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|
return query.one()
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|
except NoResultFound:
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|
raise exception.ResourceClassNotFound(
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resource_class=resource_uuid)
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|
|
|
def _get_resource_class_by_name(self, context, resource_name):
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|
query = model_query(models.ResourceClass)
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|
query = query.filter_by(name=resource_name)
|
|
try:
|
|
return query.one()
|
|
except NoResultFound:
|
|
raise exception.ResourceClassNotFound(resource_class=resource_name)
|
|
|
|
def destroy_resource_class(self, context, resource_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.ResourceClass, session=session)
|
|
count = query.delete()
|
|
if count != 1:
|
|
raise exception.ResourceClassNotFound(
|
|
resource_class=str(resource_id))
|
|
|
|
def update_resource_class(self, context, resource_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.ResourceClass, session=session)
|
|
query = query.filter_by(id=resource_id)
|
|
try:
|
|
ref = query.with_lockmode('update').one()
|
|
except NoResultFound:
|
|
raise exception.ResourceClassNotFound(
|
|
resource_class=resource_id)
|
|
|
|
ref.update(values)
|
|
return ref
|
|
|
|
def _add_inventories_filters(self, query, filters):
|
|
if filters is None:
|
|
filters = {}
|
|
|
|
filter_names = ['resource_provider_id', 'resource_class_id', 'total',
|
|
'reserved', 'min_unit', 'max_unit', 'step_size',
|
|
'allocation_ratio', 'is_nested']
|
|
for name in filter_names:
|
|
if name in filters:
|
|
query = query.filter_by(**{name: filters[name]})
|
|
|
|
return query
|
|
|
|
def list_inventories(self, context, filters=None, limit=None,
|
|
marker=None, sort_key=None, sort_dir=None):
|
|
session = get_session()
|
|
query = model_query(models.Inventory, session=session)
|
|
query = self._add_inventories_filters(query, filters)
|
|
query = query.join(models.Inventory.resource_provider)
|
|
query = query.options(contains_eager('resource_provider'))
|
|
return _paginate_query(models.Inventory, limit, marker,
|
|
sort_key, sort_dir, query)
|
|
|
|
def create_inventory(self, context, provider_id, values):
|
|
values['resource_provider_id'] = provider_id
|
|
inventory = models.Inventory()
|
|
inventory.update(values)
|
|
try:
|
|
inventory.save()
|
|
except db_exc.DBDuplicateEntry as e:
|
|
fields = {c: values[c] for c in e.columns}
|
|
raise exception.UniqueConstraintViolated(fields=fields)
|
|
return inventory
|
|
|
|
def get_inventory(self, context, inventory_id):
|
|
session = get_session()
|
|
query = model_query(models.Inventory, session=session)
|
|
query = query.join(models.Inventory.resource_provider)
|
|
query = query.options(contains_eager('resource_provider'))
|
|
query = query.filter_by(id=inventory_id)
|
|
try:
|
|
return query.one()
|
|
except NoResultFound:
|
|
raise exception.InventoryNotFound(inventory=inventory_id)
|
|
|
|
def destroy_inventory(self, context, inventory_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.Inventory, session=session)
|
|
query = query.filter_by(id=inventory_id)
|
|
count = query.delete()
|
|
if count != 1:
|
|
raise exception.InventoryNotFound(inventory=inventory_id)
|
|
|
|
def update_inventory(self, context, inventory_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.Inventory, session=session)
|
|
query = query.filter_by(id=inventory_id)
|
|
try:
|
|
ref = query.with_lockmode('update').one()
|
|
except NoResultFound:
|
|
raise exception.InventoryNotFound(inventory=inventory_id)
|
|
|
|
ref.update(values)
|
|
return ref
|
|
|
|
def _add_allocations_filters(self, query, filters):
|
|
if filters is None:
|
|
filters = {}
|
|
|
|
filter_names = ['resource_provider_id', 'resource_class_id',
|
|
'consumer_id', 'used', 'is_nested']
|
|
for name in filter_names:
|
|
if name in filters:
|
|
query = query.filter_by(**{name: filters[name]})
|
|
|
|
return query
|
|
|
|
def list_allocations(self, context, filters=None, limit=None,
|
|
marker=None, sort_key=None, sort_dir=None):
|
|
session = get_session()
|
|
query = model_query(models.Allocation, session=session)
|
|
query = self._add_allocations_filters(query, filters)
|
|
query = query.join(models.Allocation.resource_provider)
|
|
query = query.options(contains_eager('resource_provider'))
|
|
return _paginate_query(models.Allocation, limit, marker,
|
|
sort_key, sort_dir, query)
|
|
|
|
def create_allocation(self, context, values):
|
|
allocation = models.Allocation()
|
|
allocation.update(values)
|
|
try:
|
|
allocation.save()
|
|
except db_exc.DBDuplicateEntry as e:
|
|
fields = {c: values[c] for c in e.columns}
|
|
raise exception.UniqueConstraintViolated(fields=fields)
|
|
return allocation
|
|
|
|
def get_allocation(self, context, allocation_id):
|
|
session = get_session()
|
|
query = model_query(models.Allocation, session=session)
|
|
query = query.join(models.Allocation.resource_provider)
|
|
query = query.options(contains_eager('resource_provider'))
|
|
query = query.filter_by(id=allocation_id)
|
|
try:
|
|
return query.one()
|
|
except NoResultFound:
|
|
raise exception.AllocationNotFound(allocation=allocation_id)
|
|
|
|
def destroy_allocation(self, context, allocation_id):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.Allocation, session=session)
|
|
query = query.filter_by(id=allocation_id)
|
|
count = query.delete()
|
|
if count != 1:
|
|
raise exception.AllocationNotFound(allocation=allocation_id)
|
|
|
|
def update_allocation(self, context, allocation_id, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.Allocation, session=session)
|
|
query = query.filter_by(id=allocation_id)
|
|
try:
|
|
ref = query.with_lockmode('update').one()
|
|
except NoResultFound:
|
|
raise exception.AllocationNotFound(allocation=allocation_id)
|
|
|
|
ref.update(values)
|
|
return ref
|
|
|
|
def _add_compute_nodes_filters(self, query, filters):
|
|
if filters is None:
|
|
filters = {}
|
|
|
|
filter_names = ['hostname']
|
|
for name in filter_names:
|
|
if name in filters:
|
|
query = query.filter_by(**{name: filters[name]})
|
|
|
|
return query
|
|
|
|
def list_compute_nodes(self, context, filters=None, limit=None,
|
|
marker=None, sort_key=None, sort_dir=None):
|
|
query = model_query(models.ComputeNode)
|
|
query = self._add_compute_nodes_filters(query, filters)
|
|
return _paginate_query(models.ComputeNode, limit, marker,
|
|
sort_key, sort_dir, query,
|
|
default_sort_key='uuid')
|
|
|
|
def create_compute_node(self, context, values):
|
|
# ensure defaults are present for new compute nodes
|
|
if not values.get('uuid'):
|
|
values['uuid'] = uuidutils.generate_uuid()
|
|
|
|
compute_node = models.ComputeNode()
|
|
compute_node.update(values)
|
|
try:
|
|
compute_node.save()
|
|
except db_exc.DBDuplicateEntry:
|
|
raise exception.ComputeNodeAlreadyExists(
|
|
field='UUID', value=values['uuid'])
|
|
return compute_node
|
|
|
|
def get_compute_node(self, context, node_uuid):
|
|
query = model_query(models.ComputeNode)
|
|
query = query.filter_by(uuid=node_uuid)
|
|
try:
|
|
return query.one()
|
|
except NoResultFound:
|
|
raise exception.ComputeNodeNotFound(
|
|
compute_node=node_uuid)
|
|
|
|
def get_compute_node_by_hostname(self, context, hostname):
|
|
query = model_query(models.ComputeNode)
|
|
query = query.filter_by(hostname=hostname)
|
|
try:
|
|
return query.one()
|
|
except NoResultFound:
|
|
raise exception.ComputeNodeNotFound(
|
|
compute_node=hostname)
|
|
except MultipleResultsFound:
|
|
raise exception.Conflict('Multiple compute nodes exist with same '
|
|
'hostname. Please use the uuid instead.')
|
|
|
|
def destroy_compute_node(self, context, node_uuid):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.ComputeNode, session=session)
|
|
query = query.filter_by(uuid=node_uuid)
|
|
count = query.delete()
|
|
if count != 1:
|
|
raise exception.ComputeNodeNotFound(
|
|
compute_node=node_uuid)
|
|
|
|
def update_compute_node(self, context, node_uuid, values):
|
|
if 'uuid' in values:
|
|
msg = _("Cannot overwrite UUID for an existing ComputeNode.")
|
|
raise exception.InvalidParameterValue(err=msg)
|
|
|
|
return self._do_update_compute_node(node_uuid, values)
|
|
|
|
def _do_update_compute_node(self, node_uuid, values):
|
|
session = get_session()
|
|
with session.begin():
|
|
query = model_query(models.ComputeNode, session=session)
|
|
query = query.filter_by(uuid=node_uuid)
|
|
try:
|
|
ref = query.with_lockmode('update').one()
|
|
except NoResultFound:
|
|
raise exception.ComputeNodeNotFound(
|
|
compute_node=node_uuid)
|
|
|
|
ref.update(values)
|
|
return ref
|