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How to use wait_for_volume_attachment_remove method in tempest

Best Python code snippet using tempest_python

test_waiters.py

Source:test_waiters.py

...210                           build_timeout=5,211                           show_volume=show_volume)212        self.patch('time.time')213        self.patch('time.sleep')214        waiters.wait_for_volume_attachment_remove(client, uuids.volume_id,215                                                  uuids.attachment_id)216        # Assert that show volume is called until the attachment is removed.217        show_volume.assert_has_calls = [mock.call(uuids.volume_id),218                                        mock.call(uuids.volume_id),219                                        mock.call(uuids.volume_id)]220    def test_wait_for_volume_attachment_timeout(self):221        show_volume = mock.MagicMock(return_value={222            'volume': {'attachments': [223                {'attachment_id': uuids.attachment_id}]}})224        client = mock.Mock(spec=volumes_client.VolumesClient,225                           build_interval=1,226                           build_timeout=1,227                           show_volume=show_volume)228        self.patch('time.time', side_effect=[0., client.build_timeout + 1.])229        self.patch('time.sleep')230        # Assert that a timeout is raised if the attachment remains.231        self.assertRaises(lib_exc.TimeoutException,232                          waiters.wait_for_volume_attachment_remove,233                          client, uuids.volume_id, uuids.attachment_id)234    def test_wait_for_volume_attachment_not_present(self):235        show_volume = mock.MagicMock(return_value={236            'volume': {'attachments': []}})237        client = mock.Mock(spec=volumes_client.VolumesClient,238                           build_interval=1,239                           build_timeout=1,240                           show_volume=show_volume)241        self.patch('time.time', side_effect=[0., client.build_timeout + 1.])242        self.patch('time.sleep')243        waiters.wait_for_volume_attachment_remove(client, uuids.volume_id,244                                                  uuids.attachment_id)245        # Assert that show volume is only called once before we return...

manager.py

Source:manager.py

1# Copyright 2021 Red Hat, Inc.2# All Rights Reserved.3#4#    Licensed under the Apache License, Version 2.0 (the "License"); you may5#    not use this file except in compliance with the License. You may obtain6#    a copy of the License at7#8#         http://www.apache.org/licenses/LICENSE-2.09#10#    Unless required by applicable law or agreed to in writing, software11#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT12#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the13#    License for the specific language governing permissions and limitations14#    under the License.15from oslo_log import log16from tempest.common import waiters17from tempest import config18from tempest.lib.common.utils import data_utils19from tempest.lib.common.utils import test_utils20from tempest.lib import exceptions as lib_exc21from tempest.scenario import manager22CONF = config.CONF23LOG = log.getLogger(__name__)24class ScenarioTest(manager.ScenarioTest):25    credentials = ['primary', 'admin']26    @classmethod27    def setup_clients(cls):28        super(ScenarioTest, cls).setup_clients()29        cls.admin_volume_types_client = cls.os_admin.volume_types_client_latest30    def _attached_volume_name(31            self, disks_list_before_attach, ip_address, private_key):32        ssh = self.get_remote_client(ip_address, private_key=private_key)33        def _wait_for_volume_available_on_system():34            disks_list_after_attach = ssh.list_disks()35            return len(disks_list_after_attach) > len(disks_list_before_attach)36        if not test_utils.call_until_true(_wait_for_volume_available_on_system,37                                          CONF.compute.build_timeout,38                                          CONF.compute.build_interval):39            raise lib_exc.TimeoutException40        disks_list_after_attach = ssh.list_disks()41        volume_name = [item for item in disks_list_after_attach42                       if item not in disks_list_before_attach][0]43        return volume_name44    def _get_file_md5(self, ip_address, filename, dev_name=None,45                      mount_path='/mnt', private_key=None, server=None):46        ssh_client = self.get_remote_client(ip_address,47                                            private_key=private_key,48                                            server=server)49        if dev_name is not None:50            ssh_client.exec_command('sudo mount /dev/%s %s' % (dev_name,51                                                               mount_path))52        md5_sum = ssh_client.exec_command(53            'sudo md5sum %s/%s|cut -c 1-32' % (mount_path, filename))54        if dev_name is not None:55            ssh_client.exec_command('sudo umount %s' % mount_path)56        return md5_sum57    def _count_files(self, ip_address, dev_name=None, mount_path='/mnt',58                     private_key=None, server=None):59        ssh_client = self.get_remote_client(ip_address,60                                            private_key=private_key,61                                            server=server)62        if dev_name is not None:63            ssh_client.exec_command('sudo mount /dev/%s %s' % (dev_name,64                                                               mount_path))65        count = ssh_client.exec_command('sudo ls -l %s | wc -l' % mount_path)66        if dev_name is not None:67            ssh_client.exec_command('sudo umount %s' % mount_path)68        # We subtract 2 from the count since `wc -l` also includes the count69        # of new line character and while creating the filesystem, a70        # lost+found folder is also created71        return int(count) - 272    def _make_fs(self, ip_address, private_key, server, dev_name, fs='ext4'):73        ssh_client = self.get_remote_client(ip_address,74                                            private_key=private_key,75                                            server=server)76        ssh_client.make_fs(dev_name, fs=fs)77    def create_md5_new_file(self, ip_address, filename, dev_name=None,78                            mount_path='/mnt', private_key=None, server=None):79        ssh_client = self.get_remote_client(ip_address,80                                            private_key=private_key,81                                            server=server)82        if dev_name is not None:83            ssh_client.exec_command('sudo mount /dev/%s %s' % (dev_name,84                                                               mount_path))85        ssh_client.exec_command(86            'sudo dd bs=1024 count=100 if=/dev/urandom of=/%s/%s' %87            (mount_path, filename))88        md5 = ssh_client.exec_command(89            'sudo md5sum -b %s/%s|cut -c 1-32' % (mount_path, filename))90        ssh_client.exec_command('sudo sync')91        if dev_name is not None:92            ssh_client.exec_command('sudo umount %s' % mount_path)93        return md594    def get_md5_from_file(self, instance, instance_ip, filename,95                          dev_name=None):96        md5_sum = self._get_file_md5(instance_ip, filename=filename,97                                     dev_name=dev_name,98                                     private_key=self.keypair['private_key'],99                                     server=instance)100        count = self._count_files(instance_ip, dev_name=dev_name,101                                  private_key=self.keypair['private_key'],102                                  server=instance)103        return count, md5_sum104    def _attach_and_get_volume_device_name(self, server, volume, instance_ip,105                                           private_key):106        ssh_client = self.get_remote_client(107            instance_ip, private_key=private_key,108            server=server)109        # List disks before volume attachment110        disks_list_before_attach = ssh_client.list_disks()111        # Attach volume112        attachment = self.attach_volume(server, volume)113        # Find the difference between disks before and after attachment that114        # gives us the volume device name115        volume_device_name = self._attached_volume_name(116            disks_list_before_attach, instance_ip, private_key)117        return volume_device_name, attachment118    def create_volume_type(self, client=None, name=None, extra_specs=None):119        if not client:120            client = self.os_admin.volume_types_client_latest121        if not name:122            class_name = self.__class__.__name__123            name = data_utils.rand_name(class_name + '-volume-type')124        randomized_name = data_utils.rand_name('scenario-type-' + name)125        LOG.debug("Creating a volume type: %s with extra_specs %s",126                  randomized_name, extra_specs)127        if extra_specs is None:128            extra_specs = {}129        volume_type = self.admin_volume_types_client.create_volume_type(130            name=randomized_name, extra_specs=extra_specs)['volume_type']131        self.addCleanup(self.cleanup_volume_type, volume_type)132        return volume_type133    def attach_volume(self, server, volume, device=None, tag=None):134        """Attaches volume to server and waits for 'in-use' volume status.135        The volume will be detached when the test tears down.136        :param server: The server to which the volume will be attached.137        :param volume: The volume to attach.138        :param device: Optional mountpoint for the attached volume. Note that139            this is not guaranteed for all hypervisors and is not recommended.140        :param tag: Optional device role tag to apply to the volume.141        """142        attach_kwargs = dict(volumeId=volume['id'])143        if device:144            attach_kwargs['device'] = device145        if tag:146            attach_kwargs['tag'] = tag147        attachment = self.servers_client.attach_volume(148            server['id'], **attach_kwargs)['volumeAttachment']149        # On teardown detach the volume and for multiattach volumes wait for150        # the attachment to be removed. For non-multiattach volumes wait for151        # the state of the volume to change to available. This is so we don't152        # error out when trying to delete the volume during teardown.153        if volume['multiattach']:154            att = waiters.wait_for_volume_attachment_create(155                self.volumes_client, volume['id'], server['id'])156            self.addCleanup(waiters.wait_for_volume_attachment_remove,157                            self.volumes_client, volume['id'],158                            att['attachment_id'])159        else:160            self.addCleanup(waiters.wait_for_volume_resource_status,161                            self.volumes_client, volume['id'], 'available')162            waiters.wait_for_volume_resource_status(self.volumes_client,163                                                    volume['id'], 'in-use')164        # Ignore 404s on detach in case the server is deleted or the volume165        # is already detached.166        self.addCleanup(self._detach_volume, server, volume)167        return attachment168    def _detach_volume(self, server, volume):169        """Helper method to detach a volume.170        Ignores 404 responses if the volume or server do not exist, or the171        volume is already detached from the server.172        """173        try:174            volume = self.volumes_client.show_volume(volume['id'])['volume']175            # Check the status. You can only detach an in-use volume, otherwise176            # the compute API will return a 400 response.177            if volume['status'] == 'in-use':178                self.servers_client.detach_volume(server['id'], volume['id'])179        except lib_exc.NotFound:180            # Ignore 404s on detach in case the server is deleted or the volume181            # is already detached....

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