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tgt.py
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tgt.py
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# Copyright 2018 Red Hat, Inc
# Copyright 2017 Rackspace Australia
# Copyright 2018 Michael Still and Aptira
#
# 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 iscsi related routines.
"""
from oslo_concurrency import processutils
import cinder.privsep
@cinder.privsep.sys_admin_pctxt.entrypoint
def tgtadmin_show():
return processutils.execute('tgt-admin', '--show')
@cinder.privsep.sys_admin_pctxt.entrypoint
def tgtadmin_update(name, force=False):
cmd = ['tgt-admin']
cmd.extend(['--update', name])
if force:
cmd.extend(['-f'])
return processutils.execute(*cmd)
@cinder.privsep.sys_admin_pctxt.entrypoint
def tgtadmin_delete(iqn, force=False):
cmd = ['tgt-admin']
cmd.extend(['--delete', iqn])
if force:
cmd.extend(['-f'])
processutils.execute(*cmd)
@cinder.privsep.sys_admin_pctxt.entrypoint
def tgtadm_show():
cmd = ('tgtadm', '--lld', 'iscsi', '--op', 'show', '--mode', 'target')
return processutils.execute(*cmd)
@cinder.privsep.sys_admin_pctxt.entrypoint
def tgtadm_create(tid, path):
cmd = ('tgtadm', '--lld', 'iscsi', '--op', 'new', '--mode',
'logicalunit', '--tid', tid, '--lun', '1', '-b',
path)
return processutils.execute(*cmd)