267 lines
10 KiB
Python
267 lines
10 KiB
Python
# 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 mock
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from oslo_utils import timeutils
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from cinder import context
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from cinder import exception
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from cinder.tests.unit.targets import targets_fixture as tf
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from cinder import utils
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from cinder.volume.targets import nvmet
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class TestNVMETDriver(tf.TargetDriverFixture):
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def setUp(self):
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super(TestNVMETDriver, self).setUp()
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self.configuration.target_protocol = 'nvmet_rdma'
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self.target = nvmet.NVMET(root_helper=utils.get_root_helper(),
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configuration=self.configuration)
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self.target_ip = '192.168.0.1'
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self.target_port = '1234'
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self.nvmet_subsystem_name = self.configuration.target_prefix
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self.nvmet_ns_id = self.configuration.nvmet_ns_id
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self.nvmet_port_id = self.configuration.nvmet_port_id
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self.nvme_transport_type = 'rdma'
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self.fake_volume_id = 'c446b9a2-c968-4260-b95f-a18a7b41c004'
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self.testvol_path = (
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'/dev/stack-volumes-lvmdriver-1/volume-%s' % self.fake_volume_id)
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self.fake_project_id = 'ed2c1fd4-5555-1111-aa15-123b93f75cba'
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self.testvol = (
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{'project_id': self.fake_project_id,
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'name': 'testvol',
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'size': 1,
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'id': self.fake_volume_id,
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'volume_type_id': None,
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'provider_location': self.target.get_nvmeof_location(
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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self.fake_volume_id),
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self.target_ip, self.target_port, self.nvme_transport_type,
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self.nvmet_ns_id),
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'provider_auth': None,
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'provider_geometry': None,
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'created_at': timeutils.utcnow(),
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'host': 'fake_host@lvm#lvm'})
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@mock.patch.object(nvmet.NVMET, '_get_nvmf_subsystem')
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@mock.patch.object(nvmet.NVMET, '_get_available_nvmf_subsystems')
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@mock.patch.object(nvmet.NVMET, '_add_nvmf_subsystem')
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def test_create_export(self, mock_add_nvmf_subsystem,
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mock_get_available_nvmf_subsystems,
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mock_get_nvmf_subsystem):
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mock_testvol = self.testvol
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mock_testvol_path = self.testvol_path
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ctxt = context.get_admin_context()
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mock_get_available_nvmf_subsystems.return_value = {
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"subsystems": [],
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"hosts": [],
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"ports": [
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{"subsystems": [],
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"referrals": [],
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"portid": 1,
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"addr":
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{"treq": "not specified",
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"trtype": "rdma",
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"adrfam": "ipv4",
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"trsvcid": self.target_port,
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"traddr":
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self.target_ip
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}
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}]
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}
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mock_get_nvmf_subsystem.return_value = (
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id']))
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mock_add_nvmf_subsystem.return_value = (
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id']))
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expected_return = {
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'location': self.target.get_nvmeof_location(
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mock_add_nvmf_subsystem.return_value, self.target_ip,
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self.target_port, self.nvme_transport_type, self.nvmet_ns_id),
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'auth': ''
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}
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self.target.target_ip = self.target_ip
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self.target.target_port = self.target_port
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self.assertEqual(expected_return,
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self.target.create_export(
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ctxt, mock_testvol,
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mock_testvol_path))
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@mock.patch.object(nvmet.NVMET, '_get_nvmf_subsystem')
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@mock.patch.object(nvmet.NVMET, '_get_available_nvmf_subsystems')
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@mock.patch.object(nvmet.NVMET, '_add_nvmf_subsystem')
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def test_create_export_with_error_add_nvmf_subsystem(
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self,
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mock_add_nvmf_subsystem,
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mock_get_available_nvmf_subsystems,
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mock_get_nvmf_subsystem):
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mock_testvol = self.testvol
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mock_testvol_path = self.testvol_path
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ctxt = context.get_admin_context()
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mock_get_available_nvmf_subsystems.return_value = {
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"subsystems": [],
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"hosts": [],
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"ports": [
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{"subsystems": [],
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"referrals": [],
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"portid": 1,
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"addr":
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{"treq": "not specified",
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"trtype": "rdma",
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"adrfam": "ipv4",
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"trsvcid": self.target_port,
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"traddr":
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self.target_ip
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}
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}]
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}
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mock_get_nvmf_subsystem.return_value = None
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mock_add_nvmf_subsystem.return_value = None
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self.target.target_ip = self.target_ip
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self.target.target_port = self.target_port
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self.assertRaises(exception.NVMETTargetAddError,
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self.target.create_export,
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ctxt,
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mock_testvol,
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mock_testvol_path)
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@mock.patch.object(nvmet.NVMET, '_get_nvmf_subsystem')
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@mock.patch.object(nvmet.NVMET, '_get_available_nvmf_subsystems')
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@mock.patch.object(nvmet.NVMET, '_delete_nvmf_subsystem')
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def test_remove_export(self, mock_delete_nvmf_subsystem,
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mock_get_available_nvmf_subsystems,
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mock_get_nvmf_subsystem):
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mock_testvol = self.testvol
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mock_testvol_path = self.testvol_path
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ctxt = context.get_admin_context()
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mock_get_available_nvmf_subsystems.return_value = {
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"subsystems": [
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{"allowed_hosts": [],
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"nqn": "nqn.%s-%s" % (
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self.nvmet_subsystem_name,
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mock_testvol['id']),
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"attr": {"allow_any_host": "1"},
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"namespaces": [
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{"device":
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{"path": mock_testvol_path,
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"nguid":
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"86fab0e0-825d-4f25-a449-28b93c5e8dd6"
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},
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"enable": 1, "nsid":
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self.nvmet_ns_id,
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}]}],
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"hosts": [],
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"ports": [
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{"subsystems": [
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id'])],
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"referrals": [],
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"portid": self.nvmet_port_id,
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"addr":
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{"treq": "not specified",
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"trtype": "rdma",
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"adrfam": "ipv4",
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"trsvcid": self.target_port,
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"traddr": self.target_ip}}
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]
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}
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mock_get_nvmf_subsystem.return_value = (
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id']))
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mock_delete_nvmf_subsystem.return_value = (
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id']))
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expected_return = mock_delete_nvmf_subsystem.return_value
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self.assertEqual(expected_return,
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self.target.remove_export(ctxt, mock_testvol))
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@mock.patch.object(nvmet.NVMET, '_get_nvmf_subsystem')
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@mock.patch.object(nvmet.NVMET, '_get_available_nvmf_subsystems')
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def test_remove_export_with_empty_subsystems(
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self,
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mock_get_available_nvmf_subsystems,
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mock_get_nvmf_subsystem):
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mock_testvol = self.testvol
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ctxt = context.get_admin_context()
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mock_get_available_nvmf_subsystems.return_value = {
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"subsystems": [],
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"hosts": [],
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"ports": []
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}
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mock_get_nvmf_subsystem.return_value = None
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self.assertIsNone(self.target.remove_export(ctxt, mock_testvol))
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@mock.patch.object(nvmet.NVMET, '_get_nvmf_subsystem')
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@mock.patch.object(nvmet.NVMET, '_get_available_nvmf_subsystems')
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@mock.patch.object(nvmet.NVMET, '_delete_nvmf_subsystem')
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def test_remove_export_with_delete_nvmf_subsystem_fails(
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self,
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moc_delete_nvmf_subsystem,
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mock_get_available_nvmf_subsystems,
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mock_get_nvmf_subsystem):
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mock_testvol = self.testvol
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mock_testvol_path = self.testvol_path
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ctxt = context.get_admin_context()
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mock_get_available_nvmf_subsystems.return_value = {
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"subsystems": [
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{"allowed_hosts": [],
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"nqn": "nqn.%s-%s" % (
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self.nvmet_subsystem_name,
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mock_testvol['id']),
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"attr": {"allow_any_host": "1"},
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"namespaces": [
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{"device":
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{"path": mock_testvol_path,
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"nguid":
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"86fab0e0-825d-4f25-a449-28b93c5e8dd6"
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},
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"enable": 1, "nsid":
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self.nvmet_ns_id,
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}]}],
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"hosts": [],
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"ports": [
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{"subsystems": [
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id'])],
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"referrals": [],
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"portid": self.nvmet_port_id,
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"addr":
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{"treq": "not specified",
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"trtype": "rdma",
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"adrfam": "ipv4",
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"trsvcid": self.target_port,
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"traddr": self.target_ip}}
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]
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}
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mock_get_nvmf_subsystem.return_value = (
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"nqn.%s-%s" % (self.nvmet_subsystem_name,
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mock_testvol['id']))
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moc_delete_nvmf_subsystem.return_value = None
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self.assertRaises(exception.NVMETTargetDeleteError,
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self.target.remove_export,
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ctxt,
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mock_testvol)
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