117 lines
3.3 KiB
Python
117 lines
3.3 KiB
Python
#
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# Copyright (c) 2013-2017 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 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 sqlalchemy.orm import exc
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dbapi = db_api.get_instance()
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def get_journal_location(field, db_server):
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"""Retrieves the uuid of the istor on which the OSD journal resides"""
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journal_location = None
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# When creating an istor journal_location is passed in db_server, return
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# this value as journal entries are not yet created
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if hasattr(db_server, 'journal_location'):
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return db_server['journal_location']
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try:
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for entry in getattr(db_server, 'journal', []):
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journal_location = entry.onistor_uuid
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except exc.DetachedInstanceError:
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# Not an issue, just return None
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pass
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return journal_location
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def get_journal_size(field, db_server):
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"""Retrieves the size of the stor's journal."""
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if hasattr(db_server, 'journal_size_mib'):
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return db_server['journal_size_mib']
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functions = ['journal', 'osd']
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if db_server['function'] not in functions:
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return None
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journal_size = 0
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try:
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for entry in getattr(db_server, 'journal', []):
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journal_size += entry.size_mib
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except exc.DetachedInstanceError:
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# Not an issue, just return 0
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pass
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return journal_size if journal_size else None
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def get_journal_path(field, db_server):
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"""Retrieve the node on which a stor's journal resides."""
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if hasattr(db_server, 'journal_path'):
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return db_server['journal_path']
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journal_path = None
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try:
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for entry in getattr(db_server, 'journal', []):
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journal_path = entry.device_path
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except exc.DetachedInstanceError:
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# Not an issue, just return None
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pass
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return journal_path
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class Storage(base.SysinvObject):
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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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'forihostid': int,
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'ihost_uuid': utils.str_or_none,
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'fortierid': utils.int_or_none,
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'tier_uuid': utils.str_or_none,
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'tier_name': utils.str_or_none,
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'osdid': utils.int_or_none,
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'idisk_uuid': utils.str_or_none,
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'state': utils.str_or_none,
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'function': utils.str_or_none,
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'capabilities': utils.dict_or_none,
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'journal_location': utils.uuid_or_none,
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'journal_size_mib': utils.int_or_none,
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'journal_path': utils.str_or_none
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}
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_foreign_fields = {
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'ihost_uuid': 'host:uuid',
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'tier_uuid': 'tier:uuid',
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'tier_name': 'tier:name',
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'journal_location': get_journal_location,
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'journal_size_mib': get_journal_size,
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'journal_path': get_journal_path
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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.istor_get(uuid)
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def save_changes(self, context, updates):
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self.dbapi.istor_update(self.uuid, # pylint: disable=no-member
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updates)
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