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How to use _boot_instance_from_volume method in tempest

Best Python code snippet using tempest_python

test_volume_boot_pattern.py

Source:test_volume_boot_pattern.py

...46            'device_name': 'vda',47            'volume_id': vol_id,48            'delete_on_termination': str(int(delete_on_termination))}]49        return {'block_device_mapping': bd_map}50    def _boot_instance_from_volume(self, vol_id, keypair=None,51                                   security_group=None,52                                   delete_on_termination=False):53        create_kwargs = dict()54        if keypair:55            create_kwargs['key_name'] = keypair['name']56        if security_group:57            create_kwargs['security_groups'] = [58                {'name': security_group['name']}]59        create_kwargs.update(self._get_bdm(60            vol_id, delete_on_termination=delete_on_termination))61        return self.create_server(62            image='',63            wait_until='ACTIVE',64            **create_kwargs)65    def _create_snapshot_from_volume(self, vol_id):66        snap_name = data_utils.rand_name('snapshot')67        snap = self.snapshots_client.create_snapshot(68            volume_id=vol_id,69            force=True,70            display_name=snap_name)['snapshot']71        self.addCleanup(72            self.snapshots_client.wait_for_resource_deletion, snap['id'])73        self.addCleanup(self.snapshots_client.delete_snapshot, snap['id'])74        self.snapshots_client.wait_for_snapshot_status(snap['id'], 'available')75        # NOTE(e0ne): Cinder API v2 uses name instead of display_name76        if 'display_name' in snap:77            self.assertEqual(snap_name, snap['display_name'])78        else:79            self.assertEqual(snap_name, snap['name'])80        return snap81    def _create_volume_from_snapshot(self, snap_id):82        vol_name = data_utils.rand_name('volume')83        return self.create_volume(name=vol_name, snapshot_id=snap_id)84    def _delete_server(self, server):85        self.servers_client.delete_server(server['id'])86        waiters.wait_for_server_termination(self.servers_client, server['id'])87    @test.idempotent_id('557cd2c2-4eb8-4dce-98be-f86765ff311b')88    @test.attr(type='smoke')89    @test.services('compute', 'volume', 'image')90    def test_volume_boot_pattern(self):91        keypair = self.create_keypair()92        security_group = self._create_security_group()93        # create an instance from volume94        volume_origin = self._create_volume_from_image()95        instance_1st = self._boot_instance_from_volume(volume_origin['id'],96                                                       keypair, security_group)97        # write content to volume on instance98        ip_instance_1st = self.get_server_or_ip(instance_1st)99        timestamp = self.create_timestamp(ip_instance_1st,100                                          private_key=keypair['private_key'])101        # delete instance102        self._delete_server(instance_1st)103        # create a 2nd instance from volume104        instance_2nd = self._boot_instance_from_volume(volume_origin['id'],105                                                       keypair, security_group)106        # check the content of written file107        ip_instance_2nd = self.get_server_or_ip(instance_2nd)108        timestamp2 = self.get_timestamp(ip_instance_2nd,109                                        private_key=keypair['private_key'])110        self.assertEqual(timestamp, timestamp2)111        # snapshot a volume112        snapshot = self._create_snapshot_from_volume(volume_origin['id'])113        # create a 3rd instance from snapshot114        volume = self._create_volume_from_snapshot(snapshot['id'])115        server_from_snapshot = (116            self._boot_instance_from_volume(volume['id'],117                                            keypair, security_group))118        # check the content of written file119        server_from_snapshot_ip = self.get_server_or_ip(server_from_snapshot)120        timestamp3 = self.get_timestamp(server_from_snapshot_ip,121                                        private_key=keypair['private_key'])122        self.assertEqual(timestamp, timestamp3)123    @test.idempotent_id('36c34c67-7b54-4b59-b188-02a2f458a63b')124    @test.services('compute', 'volume', 'image')125    def test_create_ebs_image_and_check_boot(self):126        # create an instance from volume127        volume_origin = self._create_volume_from_image()128        instance = self._boot_instance_from_volume(volume_origin['id'],129                                                   delete_on_termination=True)130        # create EBS image131        name = data_utils.rand_name('image')132        image = self.create_server_snapshot(instance, name=name)133        # delete instance134        self._delete_server(instance)135        # boot instance from EBS image136        instance = self.create_server(137            image_id=image['id'])138        # just ensure that instance booted139        # delete instance140        self._delete_server(instance)141class TestVolumeBootPatternV2(TestVolumeBootPattern):142    def _get_bdm(self, vol_id, delete_on_termination=False):...

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