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How to use _create_multiattach_volume method in tempest

Best Python code snippet using tempest_python

test_attach_volume.py

Source:test_attach_volume.py

...283        self.servers_client.detach_volume(server_id, volume_id)284        # Now wait for the volume status to change.285        waiters.wait_for_volume_resource_status(286            self.volumes_client, volume_id, wait_status)287    def _create_multiattach_volume(self, bootable=False):288        kwargs = {}289        if bootable:290            kwargs['image_ref'] = CONF.compute.image_ref291        return self.create_volume(multiattach=True, **kwargs)292    def _create_and_multiattach(self):293        """Creates two server instances and a volume and attaches to both.294        :returns: A three-item tuple of the list of created servers,295                  the created volume, and dict of server ID to volumeAttachment296                  dict entries297        """298        servers = []299        for x in range(2):300            name = 'multiattach-server-%i' % x301            servers.append(self.create_test_server(name=name))302        # Now wait for the servers to be ACTIVE.303        for server in servers:304            waiters.wait_for_server_status(self.servers_client, server['id'],305                                           'ACTIVE')306        volume = self._create_multiattach_volume()307        # Attach the volume to the servers308        attachments = self._attach_volume_to_servers(volume, servers)309        return servers, volume, attachments310    @decorators.idempotent_id('8d5853f7-56e7-4988-9b0c-48cea3c7049a')311    def test_list_get_volume_attachments_multiattach(self):312        # Attach a single volume to two servers.313        servers, volume, attachments = self._create_and_multiattach()314        # List attachments from the volume and make sure the server uuids315        # are in that list.316        vol_attachments = self.volumes_client.show_volume(317            volume['id'])['volume']['attachments']318        attached_server_ids = [attachment['server_id']319                               for attachment in vol_attachments]320        self.assertEqual(2, len(attached_server_ids))321        # List Volume attachment of the servers322        for server in servers:323            self.assertIn(server['id'], attached_server_ids)324            vol_attachments = self.servers_client.list_volume_attachments(325                server['id'])['volumeAttachments']326            self.assertEqual(1, len(vol_attachments))327            attachment = attachments[server['id']]328            self.assertDictEqual(attachment, vol_attachments[0])329            # Detach the volume from this server.330            self._detach_multiattach_volume(volume['id'], server['id'])331    def _boot_from_multiattach_volume(self):332        """Boots a server from a multiattach volume.333        The volume will not be deleted when the server is deleted.334        :returns: 2-item tuple of (server, volume)335        """336        volume = self._create_multiattach_volume(bootable=True)337        # Now create a server from the bootable volume.338        bdm = [{339            'uuid': volume['id'],340            'source_type': 'volume',341            'destination_type': 'volume',342            'boot_index': 0,343            'delete_on_termination': False}]344        server = self.create_test_server(345            image_id='', block_device_mapping_v2=bdm, wait_until='ACTIVE')346        # Assert the volume is attached to the server.347        attachments = self.servers_client.list_volume_attachments(348            server['id'])['volumeAttachments']349        self.assertEqual(1, len(attachments))350        self.assertEqual(volume['id'], attachments[0]['volumeId'])...

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