280 lines
10 KiB
Python
280 lines
10 KiB
Python
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# Copyright 2011 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os.path
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import shutil
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import string
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import tempfile
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from oslo.config import cfg
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from oslo_concurrency import processutils
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from cinder.brick.iscsi import iscsi
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from cinder import test
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from cinder.volume import driver
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class TargetAdminTestCase(object):
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def setUp(self):
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self.cmds = []
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self.tid = 1
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self.target_name = 'iqn.2011-09.org.foo.bar:volume-blaa'
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self.lun = 10
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self.path = '/foo'
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self.vol_id = 'blaa'
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self.vol_name = 'volume-blaa'
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self.portal = 'portal:3260,1'
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self.initiator = 'iqn.1994-05.org.foo.bar:test'
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self.chap_username = 'test_id'
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self.chap_password = 'test_pass'
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self.write_cache = 'off'
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self.db = {}
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self.script_template = None
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self.stubs.Set(os.path, 'isfile', lambda _: True)
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self.stubs.Set(os, 'unlink', lambda _: '')
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self.stubs.Set(iscsi.TgtAdm, '_get_target', self.fake_get_target)
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self.stubs.Set(iscsi.LioAdm, '_get_target', self.fake_get_target)
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self.stubs.Set(iscsi.LioAdm,
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'_verify_rtstool',
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self.fake_verify_rtstool)
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self.driver = driver.ISCSIDriver()
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self.stubs.Set(iscsi.TgtAdm, '_verify_backing_lun',
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self.fake_verify_backing_lun)
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self.flags(iscsi_target_prefix='iqn.2011-09.org.foo.bar:')
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self.persist_tempdir = tempfile.mkdtemp()
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self.addCleanup(self._cleanup, self.persist_tempdir)
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def fake_verify_backing_lun(obj, iqn, tid):
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return True
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def fake_verify_rtstool(obj):
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pass
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def fake_get_target(obj, iqn):
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return 1
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def get_script_params(self):
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return {'tid': self.tid,
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'target_name': self.target_name,
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'lun': self.lun,
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'path': self.path,
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'initiator': self.initiator,
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'username': self.chap_username,
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'password': self.chap_password}
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def get_script(self):
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return self.script_template % self.get_script_params()
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def fake_execute(self, *cmd, **kwargs):
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self.cmds.append(string.join(cmd))
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return "", None
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def clear_cmds(self):
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self.cmds = []
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def verify_config(self):
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pass
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def verify_cmds(self, cmds):
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self.assertEqual(len(cmds), len(self.cmds))
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for cmd in self.cmds:
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self.assertTrue(cmd in cmds)
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self.verify_config()
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def verify(self):
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script = self.get_script()
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cmds = []
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for line in script.split('\n'):
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if not line.strip():
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continue
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cmds.append(line)
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self.verify_cmds(cmds)
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def run_commands(self):
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target_helper = self.driver.get_target_helper(self.db)
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target_helper.set_execute(self.fake_execute)
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chap_auth = target_helper._iscsi_authentication('IncomingUser',
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self.chap_username,
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self.chap_password)
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target_helper.create_iscsi_target(self.target_name, self.tid,
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self.lun, self.path, chap_auth,
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write_cache=self.write_cache)
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target_helper.show_target(self.tid, iqn=self.target_name)
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if cfg.CONF.iscsi_helper == 'lioadm':
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volume = {'provider_location': ' '.join([self.portal,
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self.target_name]),
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'provider_auth': ' '.join(['CHAP',
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self.chap_username,
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self.chap_password])}
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connector = {'initiator': self.initiator}
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target_helper.initialize_connection(volume, connector)
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target_helper.terminate_connection(volume, connector)
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target_helper.remove_iscsi_target(self.tid, self.lun, self.vol_id,
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self.vol_name)
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def test_target_admin(self):
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self.clear_cmds()
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self.run_commands()
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self.verify()
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def _cleanup(self, persist_tempdir):
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try:
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shutil.rmtree(persist_tempdir)
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except OSError:
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pass
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class TgtAdmTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(TgtAdmTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.flags(iscsi_helper='tgtadm')
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self.flags(volumes_dir=self.persist_tempdir)
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self.script_template = "\n".join([
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'tgt-admin --update %(target_name)s',
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'tgt-admin --delete %(target_name)s',
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'tgt-admin --force '
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'--delete %(target_name)s',
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'tgtadm --lld iscsi --op show --mode target'])
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def verify_config(self):
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target_helper = self.driver.get_target_helper(self.db)
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self.assertEqual(target_helper._get_target_chap_auth(self.target_name),
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(self.chap_username, self.chap_password))
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def fake_execute(self, *cmd, **kwargs):
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self.cmds.append(string.join(cmd))
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# Tests that if tgtadm --op show fails with 'target already exists',
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# we handle it gracefully and continue.
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if 'tgtadm' in cmd and '--op' in cmd and 'show' in cmd:
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raise processutils.ProcessExecutionError(
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stderr='tgtadm: this target already exists')
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else:
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return "", None
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class IetAdmTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(IetAdmTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.iet_conffile = str(self.persist_tempdir) + '/bogus-file'
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self.flags(iscsi_helper='ietadm')
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self.flags(iet_conf=self.iet_conffile)
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self.script_template = "\n".join([
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'ietadm --op new --tid=%(tid)s --params Name=%(target_name)s',
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'ietadm --op new --tid=%(tid)s --lun=%(lun)s '
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'--params Path=%(path)s,Type=fileio',
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'ietadm --op new --tid=%(tid)s --user '
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'--params=IncomingUser=%(username)s,Password=%(password)s',
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'ietadm --op show --tid=%(tid)s',
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'ietadm --op delete --tid=%(tid)s --lun=%(lun)s',
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'ietadm --op delete --tid=%(tid)s'])
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class IetAdmBlockIOTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(IetAdmBlockIOTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.iet_conffile = str(self.persist_tempdir) + '/bogus-file'
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self.flags(iscsi_helper='ietadm')
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self.flags(iscsi_iotype='blockio')
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self.flags(iet_conf=self.iet_conffile)
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self.script_template = "\n".join([
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'ietadm --op new --tid=%(tid)s --params Name=%(target_name)s',
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'ietadm --op new --tid=%(tid)s --lun=%(lun)s '
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'--params Path=%(path)s,Type=blockio',
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'ietadm --op new --tid=%(tid)s --user '
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'--params=IncomingUser=%(username)s,Password=%(password)s',
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'ietadm --op show --tid=%(tid)s',
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'ietadm --op delete --tid=%(tid)s --lun=%(lun)s',
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'ietadm --op delete --tid=%(tid)s'])
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class IetAdmFileIOTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(IetAdmFileIOTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.iet_conffile = str(self.persist_tempdir) + '/bogus-file'
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self.flags(iet_conf=self.iet_conffile)
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self.flags(iscsi_helper='ietadm')
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self.flags(iscsi_iotype='fileio')
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self.script_template = "\n".join([
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'ietadm --op new --tid=%(tid)s --params Name=%(target_name)s',
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'ietadm --op new --tid=%(tid)s --lun=%(lun)s '
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'--params Path=%(path)s,Type=fileio',
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'ietadm --op new --tid=%(tid)s --user '
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'--params=IncomingUser=%(username)s,Password=%(password)s',
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'ietadm --op show --tid=%(tid)s',
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'ietadm --op delete --tid=%(tid)s --lun=%(lun)s',
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'ietadm --op delete --tid=%(tid)s'])
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class IetAdmAutoIOTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(IetAdmAutoIOTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.iet_conffile = 'this-bogus-conf-file-dne'
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self.stubs.Set(iscsi.IetAdm, '_is_block', lambda a, b: True)
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self.flags(iscsi_helper='ietadm')
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self.flags(iscsi_iotype='auto')
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self.flags(iet_conf=self.iet_conffile)
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self.script_template = "\n".join([
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'ietadm --op new --tid=%(tid)s --params Name=%(target_name)s',
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'ietadm --op new --tid=%(tid)s --lun=%(lun)s '
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'--params Path=%(path)s,Type=blockio',
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'ietadm --op new --tid=%(tid)s --user '
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'--params=IncomingUser=%(username)s,Password=%(password)s',
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'ietadm --op show --tid=%(tid)s',
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'ietadm --op delete --tid=%(tid)s --lun=%(lun)s',
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'ietadm --op delete --tid=%(tid)s'])
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class LioAdmTestCase(test.TestCase, TargetAdminTestCase):
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def setUp(self):
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super(LioAdmTestCase, self).setUp()
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TargetAdminTestCase.setUp(self)
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self.flags(iscsi_helper='lioadm')
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self.script_template = "\n".join([
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'cinder-rtstool create '
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'%(path)s %(target_name)s %(username)s %(password)s',
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'cinder-rtstool add-initiator '
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'%(target_name)s %(username)s %(password)s %(initiator)s',
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'cinder-rtstool delete-initiator %(target_name)s %(initiator)s',
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'cinder-rtstool delete %(target_name)s'])
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class ISERTgtAdmTestCase(TgtAdmTestCase):
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def setUp(self):
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super(ISERTgtAdmTestCase, self).setUp()
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self.flags(iscsi_helper='iseradm')
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