110 lines
2.6 KiB
Python
110 lines
2.6 KiB
Python
#
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# Copyright (c) 2017 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# coding=utf-8
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#
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from sqlalchemy.orm import exc
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from sysinv.db import api as db_api
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from sysinv.objects import base
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from sysinv.objects import utils
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from sysinv.openstack.common import log
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LOG = log.getLogger(__name__)
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def get_backend_uuid(field, db_object):
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"""Retrieves backend uuid."""
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if hasattr(db_object, 'backend_uuid'):
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return db_object['backend_uuid']
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backend_uuid = None
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try:
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backend = getattr(db_object, 'stor_backend')
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if backend:
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backend_uuid = backend.uuid
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except exc.DetachedInstanceError:
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# No backend associated with the tier
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pass
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return backend_uuid
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def get_cluster_uuid(field, db_object):
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"""Retrieves cluster uuid."""
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if hasattr(db_object, 'cluster_uuid'):
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return db_object['cluster_uuid']
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cluster_uuid = None
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try:
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cluster = getattr(db_object, 'cluster')
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if cluster:
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cluster_uuid = cluster.uuid
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except exc.DetachedInstanceError:
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# No cluster associated with the tier
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pass
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return cluster_uuid
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def get_stor_ids(field, db_object):
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"""Retrieves the list of stors associated with the tier."""
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stors = []
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try:
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for entry in getattr(db_object, 'stors', []):
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# Exclude profile OSDs as they don't have and ID and are not active
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# on the tier
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if entry.osdid is not None:
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stors.append(entry.osdid)
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except exc.DetachedInstanceError:
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# No istor assigned to the tier
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pass
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return stors
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class StorageTier(base.SysinvObject):
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# VERSION 1.0: Initial version
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VERSION = '1.0'
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dbapi = db_api.get_instance()
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fields = {
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'id': int,
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'uuid': utils.str_or_none,
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'name': utils.str_or_none,
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'type': utils.str_or_none,
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'status': utils.str_or_none,
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'capabilities': utils.dict_or_none,
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'forbackendid': utils.int_or_none,
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'backend_uuid': utils.str_or_none,
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'forclusterid': utils.int_or_none,
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'cluster_uuid': utils.str_or_none,
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'stors': list,
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}
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_foreign_fields = {
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'backend_uuid': get_backend_uuid,
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'cluster_uuid': get_cluster_uuid,
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'stors': get_stor_ids
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}
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@base.remotable_classmethod
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def get_by_uuid(cls, context, uuid):
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return cls.dbapi.storage_tier_get(uuid)
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def save_changes(self, context, updates):
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self.dbapi.storage_tier_update(self.uuid, # pylint: disable=no-member
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updates)
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