How to use list_layer_versions method in localstack

Best Python code snippet using localstack_python

test_index.py

Source:test_index.py

1# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.2# SPDX-License-Identifier: Apache-2.03from unittest import TestCase4from unittest.mock import patch, MagicMock5from botocore.exceptions import ClientError6with patch("boto3.client") as boto_client_mock:7    with patch("gamekitresourcemanagement.cfn_custom_resource.send_success_response") as mock_send_success_response:8        with patch('gamekitresourcemanagement.cfn_custom_resource.send_failure_response') as mock_send_failure_response:9            from functions.main.RemoveLambdaLayersOnDelete import index10LAYER_1 = 'LambdaLayer1'11LAYER_2 = 'LambdaLayer2'12UNMATCHED_LAYER = 'UnmatchedLambdaLayer'13LAYER_VERSIONS_1 = [1, 2, 3]14LAYER_VERSIONS_2 = [1]15NEXT_MARKER = 'NextMarker'16LAYER_PREFIX = 'LambdaLayer'17PHYSICAL_RESOURCE_ID = 'delete-lambda-layers-some-hash-here'18STACK_ID = 'test_stack_id'19LOGICAL_RESOURCE_ID = 'test_logical_resource_id'20REQUEST_ID = 'test_request_id'21RESPONSE_URL = 'https://website.tld/some_url'22class TestIndex(TestCase):23    def setUp(self):24        index.lambda_client = MagicMock()25        mock_send_success_response.reset_mock()26        mock_send_failure_response.reset_mock()27    def test_removes_all_matching_lambda_layers_no_pagination(self):28        # Arrange29        event = self.get_event()30        context = self.get_context()31        index.lambda_client.list_layers.return_value = self.get_list_layers_response(32            [LAYER_1, LAYER_2, UNMATCHED_LAYER])33        index.lambda_client.list_layer_versions.side_effect = [34            self.get_list_layer_versions_response(LAYER_VERSIONS_1),35            self.get_list_layer_versions_response(LAYER_VERSIONS_2)36        ]37        # Act38        index.lambda_handler(event, context)39        # Assert40        index.lambda_client.list_layers.assert_called_once()41        self.assertEqual(index.lambda_client.list_layer_versions.call_count, 2)42        self.assertEqual(index.lambda_client.delete_layer_version.call_count, 4)43        mock_send_success_response.assert_called_once()44        mock_send_failure_response.assert_not_called()45    def test_removes_all_matching_lambda_layers_pagination(self):46        # Arrange47        event = self.get_event()48        context = self.get_context()49        index.lambda_client.list_layers.side_effect = [50            self.get_list_layers_response([LAYER_1], NEXT_MARKER),51            self.get_list_layers_response([LAYER_2, UNMATCHED_LAYER])52        ]53        # Paginate layer versions request for the first layer54        index.lambda_client.list_layer_versions.side_effect = [55            self.get_list_layer_versions_response(LAYER_VERSIONS_1[0:2], NEXT_MARKER),56            self.get_list_layer_versions_response(LAYER_VERSIONS_1[2:]),57            self.get_list_layer_versions_response(LAYER_VERSIONS_2)58        ]59        # Act60        index.lambda_handler(event, context)61        # Assert62        self.assertEqual(index.lambda_client.list_layers.call_count, 2)63        self.assertEqual(index.lambda_client.list_layer_versions.call_count, 3)64        self.assertEqual(index.lambda_client.delete_layer_version.call_count, 4)65        mock_send_success_response.assert_called_once()66        mock_send_failure_response.assert_not_called()67    def test_deletes_nothing_if_no_layers_exist(self):68        # Arrange69        event = self.get_event()70        context = self.get_context()71        index.lambda_client.list_layers.return_value = self.get_list_layers_response([])72        # Act73        index.lambda_handler(event, context)74        # Assert75        index.lambda_client.list_layers.assert_called_once()76        index.lambda_client.list_layer_versions.assert_not_called()77        index.lambda_client.delete_layer_version.assert_not_called()78        mock_send_success_response.assert_called_once()79        mock_send_failure_response.assert_not_called()80    def test_sends_failure_on_list_layers_error(self):81        # Arrange82        event = self.get_event()83        context = self.get_context()84        index.lambda_client.list_layers.side_effect = ClientError({85            'Error': {86                'Code': 500,87                'Message': 'Some Lambda Error'88            }89        }, 'ListLayers')90        # Act91        with self.assertRaises(ClientError):92            index.lambda_handler(event, context)93        # Assert94        index.lambda_client.list_layers.assert_called_once()95        index.lambda_client.list_layer_versions.assert_not_called()96        index.lambda_client.delete_layer_version.assert_not_called()97        mock_send_success_response.assert_not_called()98        mock_send_failure_response.assert_called_once()99    def test_sends_failure_on_list_layer_versions_error(self):100        # Arrange101        event = self.get_event()102        context = self.get_context()103        index.lambda_client.list_layers.return_value = self.get_list_layers_response([LAYER_1])104        index.lambda_client.list_layer_versions.side_effect = ClientError({105            'Error': {106                'Code': 500,107                'Message': 'Some Lambda Error'108            }109        }, 'ListLayerVersions')110        # Act111        with self.assertRaises(ClientError):112            index.lambda_handler(event, context)113        # Assert114        index.lambda_client.list_layers.assert_called_once()115        index.lambda_client.list_layer_versions.assert_called_once()116        index.lambda_client.delete_layer_version.assert_not_called()117        mock_send_success_response.assert_not_called()118        mock_send_failure_response.assert_called_once()119    def test_sends_failure_on_delete_layer_version_error(self):120        # Arrange121        event = self.get_event()122        context = self.get_context()123        index.lambda_client.list_layers.return_value = self.get_list_layers_response([LAYER_1])124        index.lambda_client.list_layer_versions.return_value = self.get_list_layer_versions_response([LAYER_VERSIONS_1])125        index.lambda_client.delete_layer_version.side_effect = ClientError({126            'Error': {127                'Code': 500,128                'Message': 'Some Lambda Error'129            }130        }, 'DeleteLayerVersion')131        # Act132        with self.assertRaises(ClientError):133            index.lambda_handler(event, context)134        # Assert135        index.lambda_client.list_layers.assert_called_once()136        index.lambda_client.list_layer_versions.assert_called_once()137        index.lambda_client.delete_layer_version.assert_called_once()138        mock_send_success_response.assert_not_called()139        mock_send_failure_response.assert_called_once()140    def test_ignores_non_delete_events(self):141        # Arrange142        event = self.get_event()143        event['RequestType'] = 'Create'144        context = self.get_context()145        # Act146        index.lambda_handler(event, context)147        # Assert148        index.lambda_client.list_layers.assert_not_called()149        index.lambda_client.list_layer_versions.assert_not_called()150        index.lambda_client.delete_layer_versions.assert_not_called()151        mock_send_success_response.assert_called_once()152        mock_send_failure_response.assert_not_called()153    @staticmethod154    def get_list_layers_response(layers: [str], next_marker: str = None):155        return {156            'Layers': [{'LayerName': layer} for layer in layers],157            'NextMarker': next_marker158        }159    @staticmethod160    def get_list_layer_versions_response(layer_versions: [int], next_marker: str = None):161        return {162            'LayerVersions': [{'Version': layer_version} for layer_version in layer_versions],163            'NextMarker': next_marker164        }165    @staticmethod166    def get_event():167        return {168            'RequestType': 'Delete',169            'ResourceProperties': {170                'layer_prefix': LAYER_PREFIX171            },172            'PhysicalResourceId': PHYSICAL_RESOURCE_ID,173            'StackId': STACK_ID,174            'LogicalResourceId': LOGICAL_RESOURCE_ID,175            'RequestId': REQUEST_ID,176            'ResponseURL': RESPONSE_URL177        }178    @staticmethod179    def get_context():180        context = MagicMock()...

authorizeLayer.py

Source:authorizeLayer.py

...62def attach_policy(user_name, policy):63    # Policy Resources64    iam_client = boto3.client('iam')65    iam_client.attach_user_policy(UserName=user_name, PolicyArn=policy)66def list_layer_versions():67    client = boto3.client('lambda')68    layer_versions = {}69    i = 070    for runtime in runtimes:71        layers = client.list_layers(72            CompatibleRuntime=runtime73        )74        for layer in layers['Layers']:75            versions = client.list_layer_versions(LayerName=layer['LayerName'])76            layer_versions.update({runtime: versions})77    return layer_versions78def latestLayers():79    client = boto3.client('lambda')80    response = client.list_layers()81    total = len(response['Layers'])82    layers = {}83    for i in list(range(total)):84        layers[i] = response['Layers'][i]85    versions = client.list_layer_versions86    latest = []87    for i in list(range(len(layers))):88        if re.findall(r'python', str(layers[i]['LatestMatchingVersion']['CompatibleRuntimes'])):89            latest.append(layers[i]['LatestMatchingVersion']...

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