Alessandro Pilotti 278468d2e2 Enables or disables TRIM delete notifications.
Delete notification (also known as trim or unmap) is a feature that
notifies the underlying storage devices that data blocks are no longer
in use so they can be freed.

Implements: blueprint delete-notifications
Co-Authored-By: Micu Matei-Marius <mmicu@cloudbasesolutions.com>

Change-Id: I2a1670f921fce1165df48096c6fde8660b21282e
2017-02-23 02:29:28 +02:00

37 lines
1.3 KiB
Python

# Copyright 2017 Cloudbase Solutions Srl
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log as oslo_logging
from cloudbaseinit import conf as cloudbaseinit_conf
from cloudbaseinit.osutils import factory as osutils_factory
from cloudbaseinit.plugins.common import base as plugin_base
CONF = cloudbaseinit_conf.CONF
LOG = oslo_logging.getLogger(__name__)
class TrimConfigPlugin(plugin_base.BasePlugin):
def execute(self, service, shared_data):
osutils = osutils_factory.get_os_utils()
osutils.enable_trim(CONF.trim_enabled)
LOG.info("TRIM enabled status: %s", CONF.trim_enabled)
return plugin_base.PLUGIN_EXECUTION_DONE, False
def get_os_requirements(self):
return 'win32', (6, 1)