How to use get_machine_arn method in localstack

Best Python code snippet using localstack_python

test_stepfunctions.py

Source:test_stepfunctions.py

...206        )207        # assert that the SM has been created208        self.assert_machine_created(state_machines_before)209        # run state machine210        sm_arn = self.get_machine_arn(sm_name)211        input = {"x": "1", "y": "2"}212        result = self.sfn_client.start_execution(stateMachineArn=sm_arn, input=json.dumps(input))213        self.assertTrue(result.get("executionArn"))214        # define expected output215        test_output = {**input, "added": {"Hello": TEST_RESULT_VALUE}}216        def check_result():217            result = self._get_execution_results(sm_arn)218            self.assertEqual(test_output, result)219        # assert that the result is correct220        retry(check_result, sleep=2, retries=10)221        # clean up222        self.cleanup(sm_arn, state_machines_before)223    def test_create_run_map_state_machine(self):224        names = ["Bob", "Meg", "Joe"]225        test_input = [{"map": name} for name in names]226        test_output = [{"Hello": name} for name in names]227        state_machines_before = self.sfn_client.list_state_machines()["stateMachines"]228        role_arn = aws_stack.role_arn("sfn_role")229        definition = clone(STATE_MACHINE_MAP)230        lambda_arn_3 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_3)231        definition["States"]["ExampleMapState"]["Iterator"]["States"]["CallLambda"][232            "Resource"233        ] = lambda_arn_3234        definition = json.dumps(definition)235        sm_name = "map-%s" % short_uid()236        _ = self.sfn_client.create_state_machine(237            name=sm_name, definition=definition, roleArn=role_arn238        )239        # assert that the SM has been created240        self.assert_machine_created(state_machines_before)241        # run state machine242        sm_arn = self.get_machine_arn(sm_name)243        lambda_api.LAMBDA_EXECUTOR.function_invoke_times.clear()244        result = self.sfn_client.start_execution(245            stateMachineArn=sm_arn, input=json.dumps(test_input)246        )247        self.assertTrue(result.get("executionArn"))248        def check_invocations():249            self.assertIn(lambda_arn_3, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)250            # assert that the result is correct251            result = self._get_execution_results(sm_arn)252            self.assertEqual(test_output, result)253        # assert that the lambda has been invoked by the SM execution254        retry(check_invocations, sleep=1, retries=10)255        # clean up256        self.cleanup(sm_arn, state_machines_before)257    def test_create_run_state_machine(self):258        state_machines_before = self.sfn_client.list_state_machines()["stateMachines"]259        # create state machine260        role_arn = aws_stack.role_arn("sfn_role")261        definition = clone(STATE_MACHINE_BASIC)262        lambda_arn_1 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_1)263        lambda_arn_2 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_2)264        definition["States"]["step1"]["Resource"] = lambda_arn_1265        definition["States"]["step2"]["Resource"] = lambda_arn_2266        definition = json.dumps(definition)267        sm_name = "basic-%s" % short_uid()268        result = self.sfn_client.create_state_machine(269            name=sm_name, definition=definition, roleArn=role_arn270        )271        # assert that the SM has been created272        self.assert_machine_created(state_machines_before)273        # run state machine274        sm_arn = self.get_machine_arn(sm_name)275        lambda_api.LAMBDA_EXECUTOR.function_invoke_times.clear()276        result = self.sfn_client.start_execution(stateMachineArn=sm_arn)277        self.assertTrue(result.get("executionArn"))278        def check_invocations():279            self.assertIn(lambda_arn_1, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)280            self.assertIn(lambda_arn_2, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)281            # assert that the result is correct282            result = self._get_execution_results(sm_arn)283            self.assertEqual({"Hello": TEST_RESULT_VALUE}, result["result_value"])284        # assert that the lambda has been invoked by the SM execution285        retry(check_invocations, sleep=0.7, retries=25)286        # clean up287        self.cleanup(sm_arn, state_machines_before)288    def test_try_catch_state_machine(self):289        state_machines_before = self.sfn_client.list_state_machines()["stateMachines"]290        # create state machine291        role_arn = aws_stack.role_arn("sfn_role")292        definition = clone(STATE_MACHINE_CATCH)293        lambda_arn_1 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_1)294        lambda_arn_2 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_2)295        definition["States"]["Start"]["Parameters"]["FunctionName"] = lambda_arn_1296        definition["States"]["ErrorHandler"]["Resource"] = lambda_arn_2297        definition["States"]["Final"]["Resource"] = lambda_arn_2298        definition = json.dumps(definition)299        sm_name = "catch-%s" % short_uid()300        result = self.sfn_client.create_state_machine(301            name=sm_name, definition=definition, roleArn=role_arn302        )303        # run state machine304        sm_arn = self.get_machine_arn(sm_name)305        lambda_api.LAMBDA_EXECUTOR.function_invoke_times.clear()306        result = self.sfn_client.start_execution(stateMachineArn=sm_arn)307        self.assertTrue(result.get("executionArn"))308        def check_invocations():309            self.assertIn(lambda_arn_1, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)310            self.assertIn(lambda_arn_2, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)311            # assert that the result is correct312            result = self._get_execution_results(sm_arn)313            self.assertEqual({"Hello": TEST_RESULT_VALUE}, result.get("handled"))314        # assert that the lambda has been invoked by the SM execution315        retry(check_invocations, sleep=1, retries=10)316        # clean up317        self.cleanup(sm_arn, state_machines_before)318    def test_intrinsic_functions(self):319        state_machines_before = self.sfn_client.list_state_machines()["stateMachines"]320        # create state machine321        role_arn = aws_stack.role_arn("sfn_role")322        definition = clone(STATE_MACHINE_INTRINSIC_FUNCS)323        lambda_arn_1 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_5)324        lambda_arn_2 = aws_stack.lambda_function_arn(TEST_LAMBDA_NAME_5)325        if isinstance(definition["States"]["state1"].get("Parameters"), dict):326            definition["States"]["state1"]["Parameters"]["lambda_params"][327                "FunctionName"328            ] = lambda_arn_1329            definition["States"]["state3"]["Resource"] = lambda_arn_2330        definition = json.dumps(definition)331        sm_name = "intrinsic-%s" % short_uid()332        self.sfn_client.create_state_machine(name=sm_name, definition=definition, roleArn=role_arn)333        # run state machine334        sm_arn = self.get_machine_arn(sm_name)335        lambda_api.LAMBDA_EXECUTOR.function_invoke_times.clear()336        input = {}337        result = self.sfn_client.start_execution(stateMachineArn=sm_arn, input=json.dumps(input))338        self.assertTrue(result.get("executionArn"))339        def check_invocations():340            self.assertIn(lambda_arn_1, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)341            self.assertIn(lambda_arn_2, lambda_api.LAMBDA_EXECUTOR.function_invoke_times)342            # assert that the result is correct343            result = self._get_execution_results(sm_arn)344            self.assertEqual({"payload": {"values": [1, "v2"]}}, result.get("result_value"))345        # assert that the lambda has been invoked by the SM execution346        retry(check_invocations, sleep=1, retries=10)347        # clean up348        self.cleanup(sm_arn, state_machines_before)349    def test_events_state_machine(self):350        events = aws_stack.connect_to_service("events")351        state_machines_before = self.sfn_client.list_state_machines()["stateMachines"]352        # create event bus353        bus_name = f"bus-{short_uid()}"354        events.create_event_bus(Name=bus_name)355        # create state machine356        definition = clone(STATE_MACHINE_EVENTS)357        definition["States"]["step1"]["Parameters"]["Entries"][0]["EventBusName"] = bus_name358        definition = json.dumps(definition)359        sm_name = "events-%s" % short_uid()360        role_arn = aws_stack.role_arn("sfn_role")361        self.sfn_client.create_state_machine(name=sm_name, definition=definition, roleArn=role_arn)362        # run state machine363        events_before = len(TEST_EVENTS_CACHE)364        sm_arn = self.get_machine_arn(sm_name)365        result = self.sfn_client.start_execution(stateMachineArn=sm_arn)366        self.assertTrue(result.get("executionArn"))367        def check_invocations():368            # assert that the event is received369            self.assertEqual(events_before + 1, len(TEST_EVENTS_CACHE))370            last_event = TEST_EVENTS_CACHE[-1]371            self.assertEqual(bus_name, last_event["EventBusName"])372            self.assertEqual("TestSource", last_event["Source"])373            self.assertEqual("TestMessage", last_event["DetailType"])374            self.assertEqual(375                {"Message": "Hello from Step Functions!"}, json.loads(last_event["Detail"])376            )377        # assert that the event bus has received an event from the SM execution378        retry(check_invocations, sleep=1, retries=10)379        # clean up380        self.cleanup(sm_arn, state_machines_before)381        events.delete_event_bus(Name=bus_name)382    # -----------------383    # HELPER FUNCTIONS384    # -----------------385    def get_machine_arn(self, sm_name):386        state_machines = self.sfn_client.list_state_machines()["stateMachines"]387        return [m["stateMachineArn"] for m in state_machines if m["name"] == sm_name][0]388    def assert_machine_created(self, state_machines_before):389        return self._assert_machine_instances(len(state_machines_before) + 1)390    def assert_machine_deleted(self, state_machines_before):391        return self._assert_machine_instances(len(state_machines_before))392    def cleanup(self, sm_arn, state_machines_before):393        self.sfn_client.delete_state_machine(stateMachineArn=sm_arn)394        self.assert_machine_deleted(state_machines_before)395    def _assert_machine_instances(self, expected_instances):396        def check():397            state_machines_after = self.sfn_client.list_state_machines()["stateMachines"]398            self.assertEqual(expected_instances, len(state_machines_after))399            return state_machines_after...

step_functions.py

Source:step_functions.py

...14    def client(self) -> Session.client:15        client = boto3.client("stepfunctions")16        return client1718    def get_machine_arn(self) -> str:19        state_machine_name = os.getenv("STEP_MACHINE_NAME")20        list_all_machines = self.client.list_state_machines()21        state_machine = [22            machine23            for machine in list_all_machines["stateMachines"]24            if machine["name"] == state_machine_name25        ][0]26        return state_machine["stateMachineArn"]2728    def start_execution(self, payload: Dict[Any, Any]) -> Dict[Any, Any]:29        logger.debug(f"Start Send Notification Machine with input: {payload}")30        arn = self.get_machine_arn()31        response = self.client.start_execution(32            stateMachineArn=arn,33            input=json.dumps(payload),34        )35        logger.debug(f"Step Machine response is: {response}")
...

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