Esempio n. 1
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    def test_compute_wait(self, mock_time_sleep, mock_driver,
                          mock_remove_from_build_queue):

        self.conf.config(group='haproxy_amphora', build_rate_limit=5)
        _db_amphora_mock.compute_id = COMPUTE_ID
        _db_amphora_mock.status = constants.ACTIVE
        _db_amphora_mock.lb_network_ip = LB_NET_IP

        mock_driver.get_amphora.return_value = _db_amphora_mock, None

        computewait = compute_tasks.ComputeActiveWait()

        # Test with no AZ
        computewait.execute(COMPUTE_ID, AMPHORA_ID, None)
        mock_driver.get_amphora.assert_called_once_with(COMPUTE_ID, None)

        # Test with AZ
        mock_driver.reset_mock()
        az = {constants.MANAGEMENT_NETWORK: uuidutils.generate_uuid()}
        computewait.execute(COMPUTE_ID, AMPHORA_ID, az)
        mock_driver.get_amphora.assert_called_once_with(
            COMPUTE_ID, az[constants.MANAGEMENT_NETWORK])

        # Test with deleted amp
        _db_amphora_mock.status = constants.DELETED
        self.assertRaises(exceptions.ComputeWaitTimeoutException,
                          computewait.execute, _amphora_mock, AMPHORA_ID, None)
Esempio n. 2
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    def get_create_amphora_flow(self):
        """Creates a flow to create an amphora.

        :returns: The flow for creating the amphora
        """
        create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW)
        create_amphora_flow.add(
            database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
        create_amphora_flow.add(
            lifecycle_tasks.AmphoraIDToErrorOnRevertTask(
                requires=constants.AMPHORA_ID))
        if (CONF.controller_worker.amphora_driver ==
                'amphora_haproxy_rest_driver'):
            create_amphora_flow.add(
                cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))

            create_amphora_flow.add(
                database_tasks.UpdateAmphoraDBCertExpiration(
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))

            create_amphora_flow.add(
                compute_tasks.CertComputeCreate(
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM,
                              constants.BUILD_TYPE_PRIORITY, constants.FLAVOR),
                    provides=constants.COMPUTE_ID))
        else:
            create_amphora_flow.add(
                compute_tasks.ComputeCreate(
                    requires=(constants.AMPHORA_ID,
                              constants.BUILD_TYPE_PRIORITY, constants.FLAVOR),
                    provides=constants.COMPUTE_ID))
        create_amphora_flow.add(
            database_tasks.MarkAmphoraBootingInDB(
                requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amphora_flow.add(
            compute_tasks.ComputeActiveWait(requires=(constants.COMPUTE_ID,
                                                      constants.AMPHORA_ID),
                                            provides=constants.COMPUTE_OBJ))
        create_amphora_flow.add(
            database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
                                                       constants.COMPUTE_OBJ),
                                             provides=constants.AMPHORA))
        retry_subflow = linear_flow.Flow(
            constants.CREATE_AMPHORA_RETRY_SUBFLOW,
            retry=amphora_driver_tasks.AmpRetry())
        retry_subflow.add(
            amphora_driver_tasks.AmphoraComputeConnectivityWait(
                requires=constants.AMPHORA,
                inject={'raise_retry_exception': True}))
        create_amphora_flow.add(retry_subflow)
        create_amphora_flow.add(
            database_tasks.ReloadAmphora(requires=constants.AMPHORA,
                                         provides=constants.AMPHORA))
        create_amphora_flow.add(
            amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA))
        create_amphora_flow.add(
            database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA))

        return create_amphora_flow
Esempio n. 3
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    def get_create_amphora_flow(self):
        """Creates a flow to create an amphora.

        :returns: The flow for creating the amphora
        """
        create_amphora_flow = linear_flow.Flow(constants.CREATE_AMPHORA_FLOW)
        create_amphora_flow.add(
            database_tasks.CreateAmphoraInDB(provides=constants.AMPHORA_ID))
        create_amphora_flow.add(
            lifecycle_tasks.AmphoraIDToErrorOnRevertTask(
                requires=constants.AMPHORA_ID))
        if self.REST_AMPHORA_DRIVER:
            create_amphora_flow.add(
                cert_task.GenerateServerPEMTask(provides=constants.SERVER_PEM))

            create_amphora_flow.add(
                database_tasks.UpdateAmphoraDBCertExpiration(
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))

            create_amphora_flow.add(
                compute_tasks.CertComputeCreate(
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM,
                              constants.BUILD_TYPE_PRIORITY, constants.FLAVOR),
                    provides=constants.COMPUTE_ID))
        else:
            create_amphora_flow.add(
                compute_tasks.ComputeCreate(
                    requires=(constants.AMPHORA_ID,
                              constants.BUILD_TYPE_PRIORITY, constants.FLAVOR),
                    provides=constants.COMPUTE_ID))
        create_amphora_flow.add(
            database_tasks.MarkAmphoraBootingInDB(
                requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amphora_flow.add(
            compute_tasks.ComputeActiveWait(requires=(constants.COMPUTE_ID,
                                                      constants.AMPHORA_ID),
                                            provides=constants.COMPUTE_OBJ))
        create_amphora_flow.add(
            database_tasks.UpdateAmphoraInfo(requires=(constants.AMPHORA_ID,
                                                       constants.COMPUTE_OBJ),
                                             provides=constants.AMPHORA))
        create_amphora_flow.add(
            amphora_driver_tasks.AmphoraComputeConnectivityWait(
                requires=constants.AMPHORA))
        create_amphora_flow.add(
            database_tasks.ReloadAmphora(requires=constants.AMPHORA_ID,
                                         provides=constants.AMPHORA))
        create_amphora_flow.add(
            amphora_driver_tasks.AmphoraFinalize(requires=constants.AMPHORA))
        create_amphora_flow.add(
            database_tasks.MarkAmphoraReadyInDB(requires=constants.AMPHORA))

        return create_amphora_flow
Esempio n. 4
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    def test_compute_wait_skipped(self, mock_time_sleep, mock_driver,
                                  mock_remove_from_build_queue):
        _db_amphora_mock.compute_id = COMPUTE_ID
        _db_amphora_mock.status = constants.ACTIVE
        _db_amphora_mock.lb_network_ip = LB_NET_IP

        mock_driver.get_amphora.return_value = _db_amphora_mock, None

        computewait = compute_tasks.ComputeActiveWait()
        computewait.execute(COMPUTE_ID, AMPHORA_ID, None)

        mock_driver.get_amphora.assert_called_once_with(COMPUTE_ID, None)
        mock_remove_from_build_queue.assert_not_called()
Esempio n. 5
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    def test_compute_wait_error_status(self, mock_time_sleep, mock_driver,
                                       mock_remove_from_build_queue):

        self.conf.config(group='haproxy_amphora', build_rate_limit=5)
        _db_amphora_mock.compute_id = COMPUTE_ID
        _db_amphora_mock.status = constants.ACTIVE
        _db_amphora_mock.lb_network_ip = LB_NET_IP

        mock_driver.get_amphora.return_value = _db_amphora_mock, None

        computewait = compute_tasks.ComputeActiveWait()
        computewait.execute(COMPUTE_ID, AMPHORA_ID)

        mock_driver.get_amphora.assert_called_once_with(COMPUTE_ID)

        _db_amphora_mock.status = constants.ERROR

        self.assertRaises(exceptions.ComputeBuildException,
                          computewait.execute, _db_amphora_mock, AMPHORA_ID)
Esempio n. 6
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    def _get_create_amp_for_lb_subflow(self, prefix, role):
        """Create a new amphora for lb."""

        sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW
        create_amp_for_lb_subflow = linear_flow.Flow(sf_name)
        create_amp_for_lb_subflow.add(database_tasks.CreateAmphoraInDB(
            name=sf_name + '-' + constants.CREATE_AMPHORA_INDB,
            requires=constants.LOADBALANCER_ID,
            provides=constants.AMPHORA_ID))

        require_server_group_id_condition = (
            role in (constants.ROLE_BACKUP, constants.ROLE_MASTER) and
            CONF.nova.enable_anti_affinity)

        if (CONF.controller_worker.amphora_driver ==
                'amphora_haproxy_rest_driver'):
            create_amp_for_lb_subflow.add(cert_task.GenerateServerPEMTask(
                name=sf_name + '-' + constants.GENERATE_SERVER_PEM,
                provides=constants.SERVER_PEM))

            create_amp_for_lb_subflow.add(
                database_tasks.UpdateAmphoraDBCertExpiration(
                    name=sf_name + '-' + constants.UPDATE_CERT_EXPIRATION,
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))

            if require_server_group_id_condition:
                create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
                    name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.SERVER_PEM,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.SERVER_GROUP_ID,
                        constants.FLAVOR,
                        constants.AVAILABILITY_ZONE,
                    ),
                    provides=constants.COMPUTE_ID))
            else:
                create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
                    name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.SERVER_PEM,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.FLAVOR,
                        constants.AVAILABILITY_ZONE,
                    ),
                    provides=constants.COMPUTE_ID))
        else:
            if require_server_group_id_condition:
                create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
                    name=sf_name + '-' + constants.COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.SERVER_GROUP_ID,
                        constants.FLAVOR,
                        constants.AVAILABILITY_ZONE,
                    ),
                    provides=constants.COMPUTE_ID))
            else:
                create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
                    name=sf_name + '-' + constants.COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.FLAVOR,
                        constants.AVAILABILITY_ZONE,
                    ),
                    provides=constants.COMPUTE_ID))

        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraComputeId(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBootingInDB(
            name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(compute_tasks.ComputeActiveWait(
            name=sf_name + '-' + constants.COMPUTE_WAIT,
            requires=(constants.COMPUTE_ID, constants.AMPHORA_ID),
            provides=constants.COMPUTE_OBJ))
        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraInfo(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ),
            provides=constants.AMPHORA))

        return create_amp_for_lb_subflow
Esempio n. 7
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    def _get_create_amp_for_lb_subflow(self, prefix, role):
        """Create a new amphora for lb."""

        sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW
        create_amp_for_lb_subflow = linear_flow.Flow(sf_name)
        create_amp_for_lb_subflow.add(database_tasks.CreateAmphoraInDB(
            name=sf_name + '-' + constants.CREATE_AMPHORA_INDB,
            provides=constants.AMPHORA_ID))

        require_server_group_id_condition = (
            role in (constants.ROLE_BACKUP, constants.ROLE_MASTER) and
            CONF.nova.enable_anti_affinity)

        if self.REST_AMPHORA_DRIVER:
            create_amp_for_lb_subflow.add(cert_task.GenerateServerPEMTask(
                name=sf_name + '-' + constants.GENERATE_SERVER_PEM,
                provides=constants.SERVER_PEM))

            create_amp_for_lb_subflow.add(
                database_tasks.UpdateAmphoraDBCertExpiration(
                    name=sf_name + '-' + constants.UPDATE_CERT_EXPIRATION,
                    requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))

            if require_server_group_id_condition:
                create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
                    name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.SERVER_PEM,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.SERVER_GROUP_ID,
                        constants.FLAVOR
                    ),
                    provides=constants.COMPUTE_ID))
            else:
                create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
                    name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.SERVER_PEM,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.FLAVOR
                    ),
                    provides=constants.COMPUTE_ID))
        else:
            if require_server_group_id_condition:
                create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
                    name=sf_name + '-' + constants.COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.SERVER_GROUP_ID,
                        constants.FLAVOR
                    ),
                    provides=constants.COMPUTE_ID))
            else:
                create_amp_for_lb_subflow.add(compute_tasks.ComputeCreate(
                    name=sf_name + '-' + constants.COMPUTE_CREATE,
                    requires=(
                        constants.AMPHORA_ID,
                        constants.BUILD_TYPE_PRIORITY,
                        constants.FLAVOR
                    ),
                    provides=constants.COMPUTE_ID))

        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraComputeId(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBootingInDB(
            name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(compute_tasks.ComputeActiveWait(
            name=sf_name + '-' + constants.COMPUTE_WAIT,
            requires=(constants.COMPUTE_ID, constants.AMPHORA_ID),
            provides=constants.COMPUTE_OBJ))
        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraInfo(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ),
            provides=constants.AMPHORA))
        create_amp_for_lb_subflow.add(
            amphora_driver_tasks.AmphoraComputeConnectivityWait(
                name=sf_name + '-' + constants.AMP_COMPUTE_CONNECTIVITY_WAIT,
                requires=constants.AMPHORA))
        create_amp_for_lb_subflow.add(amphora_driver_tasks.AmphoraFinalize(
            name=sf_name + '-' + constants.AMPHORA_FINALIZE,
            requires=constants.AMPHORA))
        create_amp_for_lb_subflow.add(
            database_tasks.MarkAmphoraAllocatedInDB(
                name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB,
                requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
        create_amp_for_lb_subflow.add(database_tasks.ReloadAmphora(
            name=sf_name + '-' + constants.RELOAD_AMPHORA,
            requires=constants.AMPHORA_ID,
            provides=constants.AMPHORA))

        if role == constants.ROLE_MASTER:
            create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraMasterInDB(
                name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB,
                requires=constants.AMPHORA))
        elif role == constants.ROLE_BACKUP:
            create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBackupInDB(
                name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB,
                requires=constants.AMPHORA))
        elif role == constants.ROLE_STANDALONE:
            create_amp_for_lb_subflow.add(
                database_tasks.MarkAmphoraStandAloneInDB(
                    name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB,
                    requires=constants.AMPHORA))

        return create_amp_for_lb_subflow
Esempio n. 8
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    def get_amphora_for_lb_subflow(self, prefix, role):
        """Create a new amphora for lb."""

        sf_name = prefix + '-' + constants.CREATE_AMP_FOR_LB_SUBFLOW
        create_amp_for_lb_subflow = linear_flow.Flow(sf_name)
        create_amp_for_lb_subflow.add(database_tasks.CreateAmphoraInDB(
            name=sf_name + '-' + constants.CREATE_AMPHORA_INDB,
            requires=constants.LOADBALANCER_ID,
            provides=constants.AMPHORA_ID))

        create_amp_for_lb_subflow.add(cert_task.GenerateServerPEMTask(
            name=sf_name + '-' + constants.GENERATE_SERVER_PEM,
            provides=constants.SERVER_PEM))

        create_amp_for_lb_subflow.add(
            database_tasks.UpdateAmphoraDBCertExpiration(
                name=sf_name + '-' + constants.UPDATE_CERT_EXPIRATION,
                requires=(constants.AMPHORA_ID, constants.SERVER_PEM)))

        create_amp_for_lb_subflow.add(compute_tasks.CertComputeCreate(
            name=sf_name + '-' + constants.CERT_COMPUTE_CREATE,
            requires=(constants.AMPHORA_ID, constants.SERVER_PEM,
                      constants.BUILD_TYPE_PRIORITY,
                      constants.SERVER_GROUP_ID,
                      constants.FLAVOR, constants.AVAILABILITY_ZONE),
            provides=constants.COMPUTE_ID))
        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraComputeId(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBootingInDB(
            name=sf_name + '-' + constants.MARK_AMPHORA_BOOTING_INDB,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        create_amp_for_lb_subflow.add(compute_tasks.ComputeActiveWait(
            name=sf_name + '-' + constants.COMPUTE_WAIT,
            requires=(constants.COMPUTE_ID, constants.AMPHORA_ID,
                      constants.AVAILABILITY_ZONE),
            provides=constants.COMPUTE_OBJ))
        create_amp_for_lb_subflow.add(database_tasks.UpdateAmphoraInfo(
            name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO,
            requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ),
            provides=constants.AMPHORA))
        create_amp_for_lb_subflow.add(self._retry_flow(sf_name))
        create_amp_for_lb_subflow.add(amphora_driver_tasks.AmphoraFinalize(
            name=sf_name + '-' + constants.AMPHORA_FINALIZE,
            requires=constants.AMPHORA))
        create_amp_for_lb_subflow.add(
            database_tasks.MarkAmphoraAllocatedInDB(
                name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB,
                requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
        if role == constants.ROLE_MASTER:
            create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraMasterInDB(
                name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB,
                requires=constants.AMPHORA))
        elif role == constants.ROLE_BACKUP:
            create_amp_for_lb_subflow.add(database_tasks.MarkAmphoraBackupInDB(
                name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB,
                requires=constants.AMPHORA))
        elif role == constants.ROLE_STANDALONE:
            create_amp_for_lb_subflow.add(
                database_tasks.MarkAmphoraStandAloneInDB(
                    name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB,
                    requires=constants.AMPHORA))

        return create_amp_for_lb_subflow
Esempio n. 9
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    def _get_vthunder_for_amphora_subflow(self, prefix, role):
        """Create amphora in existing vThunder."""

        sf_name = prefix + '-' + 'VTHUNDER_TO_AMPHORA_SUBFLOW'
        vthunder_for_amphora_subflow = linear_flow.Flow(sf_name)
        vthunder_for_amphora_subflow.add(
            database_tasks.CreateAmphoraInDB(name=sf_name + '-' +
                                             constants.CREATE_AMPHORA_INDB,
                                             provides=constants.AMPHORA_ID))

        require_server_group_id_condition = (
            role in (constants.ROLE_BACKUP, constants.ROLE_MASTER)
            and CONF.nova.enable_anti_affinity)
        #Relaod LB
        #vthunder_for_amphora_subflow.add(database_tasks.ReloadLoadBalancer(
        #    name=sf_name + '-' + 'reload_loadbalancer',
        #   requires=constants.LOADBALANCER_ID,
        #   provides=constants.LOADBALANCER))
        vthunder_for_amphora_subflow.add(
            a10_database_tasks.GetComputeForProject(
                name=sf_name + '-' + 'get_compute_id',
                requires=constants.LOADBALANCER,
                provides=constants.COMPUTE_ID))
        vthunder_for_amphora_subflow.add(
            database_tasks.UpdateAmphoraComputeId(
                name=sf_name + '-' + constants.UPDATE_AMPHORA_COMPUTEID,
                requires=(constants.AMPHORA_ID, constants.COMPUTE_ID)))
        vthunder_for_amphora_subflow.add(
            compute_tasks.ComputeActiveWait(
                name=sf_name + '-' + constants.COMPUTE_WAIT,
                requires=(constants.COMPUTE_ID, constants.AMPHORA_ID),
                provides=constants.COMPUTE_OBJ))
        vthunder_for_amphora_subflow.add(
            database_tasks.UpdateAmphoraInfo(
                name=sf_name + '-' + constants.UPDATE_AMPHORA_INFO,
                requires=(constants.AMPHORA_ID, constants.COMPUTE_OBJ),
                provides=constants.AMPHORA))
        # create vThunder entry in custom DB
        vthunder_for_amphora_subflow.add(
            a10_database_tasks.CreteVthunderEntry(
                name=sf_name + '-' + 'create_vThunder_entry_in_database',
                requires=(constants.AMPHORA, constants.LOADBALANCER)))
        # Get VThunder details from database
        vthunder_for_amphora_subflow.add(
            a10_database_tasks.GetVThunderByLoadBalancer(
                requires=constants.LOADBALANCER,
                provides=a10constants.VTHUNDER))
        vthunder_for_amphora_subflow.add(
            database_tasks.MarkAmphoraAllocatedInDB(
                name=sf_name + '-' + constants.MARK_AMPHORA_ALLOCATED_INDB,
                requires=(constants.AMPHORA, constants.LOADBALANCER_ID)))
        vthunder_for_amphora_subflow.add(
            database_tasks.ReloadAmphora(name=sf_name + '-' +
                                         constants.RELOAD_AMPHORA,
                                         requires=constants.AMPHORA_ID,
                                         provides=constants.AMPHORA))
        if role == constants.ROLE_MASTER:
            vthunder_for_amphora_subflow.add(
                database_tasks.MarkAmphoraMasterInDB(
                    name=sf_name + '-' + constants.MARK_AMP_MASTER_INDB,
                    requires=constants.AMPHORA))
        elif role == constants.ROLE_BACKUP:
            vthunder_for_amphora_subflow.add(
                database_tasks.MarkAmphoraBackupInDB(
                    name=sf_name + '-' + constants.MARK_AMP_BACKUP_INDB,
                    requires=constants.AMPHORA))
        elif role == constants.ROLE_STANDALONE:
            vthunder_for_amphora_subflow.add(
                database_tasks.MarkAmphoraStandAloneInDB(
                    name=sf_name + '-' + constants.MARK_AMP_STANDALONE_INDB,
                    requires=constants.AMPHORA))
        return vthunder_for_amphora_subflow