OpenStack Block Storage (Cinder)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

44 lines
1.3 KiB

# Copyright 2018 Red Hat, Inc
#
# 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.
"""
Helpers for lvm related routines
"""
from oslo_concurrency import processutils
import cinder.privsep
@cinder.privsep.sys_admin_pctxt.entrypoint
def udevadm_settle():
processutils.execute('udevadm', 'settle')
@cinder.privsep.sys_admin_pctxt.entrypoint
def lvrename(vg_name, lv_name, new_name):
processutils.execute(
'lvrename', vg_name, lv_name, new_name)
@cinder.privsep.sys_admin_pctxt.entrypoint
def create_vg(vg_name, pv_list):
cmd = ['vgcreate', vg_name, ','.join(pv_list)]
processutils.execute(*cmd)
@cinder.privsep.sys_admin_pctxt.entrypoint
def lvconvert(vg_name, snapshot_name):
processutils.execute(
'lvconvert', '--merge', '%s/%s' % (vg_name, snapshot_name))