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How to use filter_log_events method in localstack

Best Python code snippet using localstack_python

test_logs.py

Source:test_logs.py

1import copy2import mock3import sys4import unittest5import botocore6from slam import cli7from .test_deploy import config, describe_stacks_response8BUILTIN = '__builtin__'9if sys.version_info >= (3, 0):10    BUILTIN = 'builtins'11class LogsTests(unittest.TestCase):12    @mock.patch(BUILTIN + '.print')13    @mock.patch('slam.cli.time.time', return_value=1000)14    @mock.patch('slam.cli.boto3.client')15    @mock.patch('slam.cli._load_config', return_value=config)16    def test_dev_logs(self, _load_config, client, time, mock_print):17        mock_cfn = mock.MagicMock()18        mock_logs = mock.MagicMock()19        mock_cfn.describe_stacks.return_value = describe_stacks_response20        mock_logs.filter_log_events.side_effect = [21            {22                'events': [23                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,24                     'message': 'foo'},25                    {'logStreamName': 'abc[1]', 'timestamp': 990000,26                     'message': 'foo'},27                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,28                     'message': 'baz'},29                ]30            },31            {32                'events': [33                    {'timestamp': 990025, 'message': 'bar'}34                ]35            }36        ]37        client.side_effect = [mock_cfn, mock_logs]38        cli.main(['logs'])39        mock_logs.filter_log_events.assert_any_call(40            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)41        mock_logs.filter_log_events.assert_any_call(42            logGroupName='API-Gateway-Execution-Logs_123abc/dev',43            startTime=940000, interleaved=True)44        self.assertEqual(mock_print.call_count, 3)45        self.assertIn(' foo', mock_print.call_args_list[0][0][0])46        self.assertIn(' bar', mock_print.call_args_list[1][0][0])47        self.assertIn(' baz', mock_print.call_args_list[2][0][0])48    @mock.patch(BUILTIN + '.print')49    @mock.patch('slam.cli.time.time', return_value=1000)50    @mock.patch('slam.cli.boto3.client')51    @mock.patch('slam.cli._load_config', return_value=config)52    def test_dev_no_api_logs(self, _load_config, client, time, mock_print):53        mock_cfn = mock.MagicMock()54        mock_logs = mock.MagicMock()55        r = copy.deepcopy(describe_stacks_response)56        r['Stacks'][0]['Outputs'] = [57            {'OutputKey': 'FunctionArn', 'OutputValue': 'arn:lambda:foo'},58        ]59        mock_cfn.describe_stacks.return_value = r60        mock_logs.filter_log_events.side_effect = [61            {62                'events': [63                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,64                     'message': 'foo'},65                    {'logStreamName': 'abc[1]', 'timestamp': 990000,66                     'message': 'foo'},67                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,68                     'message': 'baz'},69                ]70            }71        ]72        client.side_effect = [mock_cfn, mock_logs]73        cli.main(['logs'])74        mock_logs.filter_log_events.assert_called_once_with(75            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)76        self.assertEqual(mock_print.call_count, 2)77        self.assertIn(' foo', mock_print.call_args_list[0][0][0])78        self.assertIn(' baz', mock_print.call_args_list[1][0][0])79    @mock.patch(BUILTIN + '.print')80    @mock.patch('slam.cli.time.time', return_value=1000)81    @mock.patch('slam.cli.boto3.client')82    @mock.patch('slam.cli._load_config', return_value=config)83    def test_stage_logs(self, _load_config, client, time, mock_print):84        mock_cfn = mock.MagicMock()85        mock_logs = mock.MagicMock()86        mock_cfn.describe_stacks.return_value = describe_stacks_response87        mock_logs.filter_log_events.side_effect = [88            {89                'events': [90                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,91                     'message': 'foo'},92                    {'logStreamName': 'abc[2]', 'timestamp': 990000,93                     'message': 'foo'},94                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,95                     'message': 'baz'},96                ]97            },98            {99                'events': [100                    {'timestamp': 990025, 'message': 'bar'}101                ]102            }103        ]104        client.side_effect = [mock_cfn, mock_logs]105        cli.main(['logs', '--stage', 'prod'])106        mock_logs.filter_log_events.assert_any_call(107            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)108        mock_logs.filter_log_events.assert_any_call(109            logGroupName='API-Gateway-Execution-Logs_123abc/prod',110            startTime=940000, interleaved=True)111        self.assertEqual(mock_print.call_count, 2)112        self.assertIn(' foo', mock_print.call_args_list[0][0][0])113        self.assertIn(' bar', mock_print.call_args_list[1][0][0])114    @mock.patch(BUILTIN + '.print')115    @mock.patch('slam.cli.time.time', return_value=1000)116    @mock.patch('slam.cli.boto3.client')117    @mock.patch('slam.cli._load_config', return_value=config)118    def test_no_group(self, _load_config, client, time, mock_print):119        mock_cfn = mock.MagicMock()120        mock_logs = mock.MagicMock()121        mock_cfn.describe_stacks.return_value = describe_stacks_response122        mock_logs.filter_log_events.side_effect = [123            botocore.exceptions.ClientError({'Error': {}}, 'operation'),124            {125                'events': [126                    {'timestamp': 990025, 'message': 'bar'}127                ]128            }129        ]130        client.side_effect = [mock_cfn, mock_logs]131        cli.main(['logs'])132        mock_logs.filter_log_events.assert_any_call(133            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)134        mock_logs.filter_log_events.assert_any_call(135            logGroupName='API-Gateway-Execution-Logs_123abc/dev',136            startTime=940000, interleaved=True)137        self.assertEqual(mock_print.call_count, 1)138        self.assertIn(' bar', mock_print.call_args_list[0][0][0])139    @mock.patch(BUILTIN + '.print')140    @mock.patch('slam.cli.time.time', return_value=1000)141    @mock.patch('slam.cli.boto3.client')142    @mock.patch('slam.cli._load_config', return_value=config)143    def test_paginated_logs(self, _load_config, client, time, mock_print):144        mock_cfn = mock.MagicMock()145        mock_logs = mock.MagicMock()146        mock_cfn.describe_stacks.return_value = describe_stacks_response147        mock_logs.filter_log_events.side_effect = [148            {149                'events': [150                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,151                     'message': 'foo'},152                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,153                     'message': 'bar'},154                ],155                'nextToken': 'foo-token'156            },157            {158                'events': [159                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990075,160                     'message': 'baz'},161                ]162            },163            {164                'events': []165            }166        ]167        client.side_effect = [mock_cfn, mock_logs]168        cli.main(['logs'])169        mock_logs.filter_log_events.assert_any_call(170            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)171        mock_logs.filter_log_events.assert_any_call(172            logGroupName='/aws/lambda/foo', startTime=990051, interleaved=True,173            nextToken='foo-token')174        self.assertEqual(mock_print.call_count, 3)175        self.assertIn(' foo', mock_print.call_args_list[0][0][0])176        self.assertIn(' bar', mock_print.call_args_list[1][0][0])177        self.assertIn(' baz', mock_print.call_args_list[2][0][0])178    @mock.patch('slam.cli.time.sleep')179    @mock.patch(BUILTIN + '.print')180    @mock.patch('slam.cli.time.time', return_value=1000)181    @mock.patch('slam.cli.boto3.client')182    @mock.patch('slam.cli._load_config', return_value=config)183    def test_tailed_logs(self, _load_config, client, time, mock_print,184                         mock_sleep):185        mock_cfn = mock.MagicMock()186        mock_logs = mock.MagicMock()187        mock_cfn.describe_stacks.return_value = describe_stacks_response188        mock_logs.filter_log_events.side_effect = [189            {190                'events': [191                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,192                     'message': 'foo'},193                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,194                     'message': 'bar'},195                ],196            },197            {198                'events': []199            },200            {201                'events': [202                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990075,203                     'message': 'baz'},204                ]205            },206            {207                'events': [208                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990074,209                     'message': 'api'},210                ]211            },212            RuntimeError213        ]214        client.side_effect = [mock_cfn, mock_logs]215        try:216            cli.main(['logs', '--tail'])217        except RuntimeError:218            pass219        mock_logs.filter_log_events.assert_any_call(220            logGroupName='/aws/lambda/foo', startTime=940000, interleaved=True)221        mock_logs.filter_log_events.assert_any_call(222            logGroupName='/aws/lambda/foo', startTime=990051, interleaved=True)223        self.assertEqual(mock_sleep.call_count, 2)224        mock_sleep.assert_any_call(5)225        self.assertIn(' foo', mock_print.call_args_list[0][0][0])226        self.assertIn(' bar', mock_print.call_args_list[1][0][0])227        self.assertIn(' api', mock_print.call_args_list[2][0][0])228        self.assertIn(' baz', mock_print.call_args_list[3][0][0])229    @mock.patch('slam.cli.time.time', return_value=1000000)230    @mock.patch('slam.cli.boto3.client')231    @mock.patch('slam.cli._load_config', return_value=config)232    def test_week_logs(self, _load_config, client, time):233        mock_cfn = mock.MagicMock()234        mock_logs = mock.MagicMock()235        mock_cfn.describe_stacks.return_value = describe_stacks_response236        mock_logs.filter_log_events.side_effect = [237            {238                'events': [239                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,240                     'message': 'foo'},241                    {'logStreamName': 'abc[1]', 'timestamp': 990000,242                     'message': 'foo'},243                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,244                     'message': 'baz'},245                ]246            },247            {248                'events': []249            }250        ]251        client.side_effect = [mock_cfn, mock_logs]252        cli.main(['logs', '--period', '1w'])253        mock_logs.filter_log_events.assert_any_call(254            logGroupName='/aws/lambda/foo', startTime=395200000,255            interleaved=True)256    @mock.patch('slam.cli.time.time', return_value=1000000)257    @mock.patch('slam.cli.boto3.client')258    @mock.patch('slam.cli._load_config', return_value=config)259    def test_day_logs(self, _load_config, client, time):260        mock_cfn = mock.MagicMock()261        mock_logs = mock.MagicMock()262        mock_cfn.describe_stacks.return_value = describe_stacks_response263        mock_logs.filter_log_events.side_effect = [264            {265                'events': [266                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,267                     'message': 'foo'},268                    {'logStreamName': 'abc[1]', 'timestamp': 990000,269                     'message': 'foo'},270                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,271                     'message': 'baz'},272                ]273            },274            {275                'events': []276            }277        ]278        client.side_effect = [mock_cfn, mock_logs]279        cli.main(['logs', '--period', '2.5d'])280        mock_logs.filter_log_events.assert_any_call(281            logGroupName='/aws/lambda/foo', startTime=784000000,282            interleaved=True)283    @mock.patch('slam.cli.time.time', return_value=1000000)284    @mock.patch('slam.cli.boto3.client')285    @mock.patch('slam.cli._load_config', return_value=config)286    def test_hour_logs(self, _load_config, client, time):287        mock_cfn = mock.MagicMock()288        mock_logs = mock.MagicMock()289        mock_cfn.describe_stacks.return_value = describe_stacks_response290        mock_logs.filter_log_events.side_effect = [291            {292                'events': [293                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,294                     'message': 'foo'},295                    {'logStreamName': 'abc[1]', 'timestamp': 990000,296                     'message': 'foo'},297                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,298                     'message': 'baz'},299                ]300            },301            {302                'events': []303            }304        ]305        client.side_effect = [mock_cfn, mock_logs]306        cli.main(['logs', '--period', '5h'])307        mock_logs.filter_log_events.assert_any_call(308            logGroupName='/aws/lambda/foo', startTime=982000000,309            interleaved=True)310    @mock.patch('slam.cli.time.time', return_value=1000000)311    @mock.patch('slam.cli.boto3.client')312    @mock.patch('slam.cli._load_config', return_value=config)313    def test_minute_logs(self, _load_config, client, time):314        mock_cfn = mock.MagicMock()315        mock_logs = mock.MagicMock()316        mock_cfn.describe_stacks.return_value = describe_stacks_response317        mock_logs.filter_log_events.side_effect = [318            {319                'events': [320                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,321                     'message': 'foo'},322                    {'logStreamName': 'abc[1]', 'timestamp': 990000,323                     'message': 'foo'},324                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,325                     'message': 'baz'},326                ]327            },328            {329                'events': []330            }331        ]332        client.side_effect = [mock_cfn, mock_logs]333        cli.main(['logs', '--period', '10m'])334        mock_logs.filter_log_events.assert_any_call(335            logGroupName='/aws/lambda/foo', startTime=999400000,336            interleaved=True)337    @mock.patch('slam.cli.time.time', return_value=1000000)338    @mock.patch('slam.cli.boto3.client')339    @mock.patch('slam.cli._load_config', return_value=config)340    def test_second_logs(self, _load_config, client, time):341        mock_cfn = mock.MagicMock()342        mock_logs = mock.MagicMock()343        mock_cfn.describe_stacks.return_value = describe_stacks_response344        mock_logs.filter_log_events.side_effect = [345            {346                'events': [347                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990000,348                     'message': 'foo'},349                    {'logStreamName': 'abc[1]', 'timestamp': 990000,350                     'message': 'foo'},351                    {'logStreamName': 'abc[$LATEST]', 'timestamp': 990050,352                     'message': 'baz'},353                ]354            },355            {356                'events': []357            }358        ]359        client.side_effect = [mock_cfn, mock_logs]360        cli.main(['logs', '--period', '6s'])361        mock_logs.filter_log_events.assert_any_call(362            logGroupName='/aws/lambda/foo', startTime=999994000,363            interleaved=True)364    @mock.patch('slam.cli.time.time', return_value=1000000)365    @mock.patch('slam.cli.boto3.client')366    @mock.patch('slam.cli._load_config', return_value=config)367    def test_invalid_period_suffix(self, _load_config, client, time):368        mock_cfn = mock.MagicMock()369        mock_logs = mock.MagicMock()370        mock_cfn.describe_stacks.return_value = describe_stacks_response371        mock_logs.filter_log_events.return_value = {372            'events': [373                {'timestamp': 1000, 'message': 'foo'},374                {'timestamp': 1001, 'message': 'bar'},375            ]376        }377        client.side_effect = [mock_cfn, mock_logs]378        self.assertRaises(ValueError, cli.main, ['logs', '--period', '5b'])379    @mock.patch('slam.cli.time.time', return_value=1000000)380    @mock.patch('slam.cli.boto3.client')381    @mock.patch('slam.cli._load_config', return_value=config)382    def test_invalid_period_value(self, _load_config, client, time):383        mock_cfn = mock.MagicMock()384        mock_logs = mock.MagicMock()385        mock_cfn.describe_stacks.return_value = describe_stacks_response386        mock_logs.filter_log_events.return_value = {387            'events': [388                {'timestamp': 1000, 'message': 'foo'},389                {'timestamp': 1001, 'message': 'bar'},390            ]391        }392        client.side_effect = [mock_cfn, mock_logs]393        self.assertRaises(ValueError, cli.main, ['logs', '--period', '5ad'])394    @mock.patch('slam.cli.boto3.client')395    @mock.patch('slam.cli._load_config', return_value=config)396    def test_not_deployed(self, _load_config, client):397        mock_cfn = mock.MagicMock()398        mock_logs = mock.MagicMock()399        mock_cfn.describe_stacks.side_effect = \400            botocore.exceptions.ClientError({'Error': {}}, 'operation')401        mock_logs.filter_log_events.return_value = {402            'events': [403                {'timestamp': 1000, 'message': 'foo'},404                {'timestamp': 1001, 'message': 'bar'},405            ]406        }407        client.side_effect = [mock_cfn, mock_logs]408        cli.main(['logs'])...

test_cw_log_puller.py

Source:test_cw_log_puller.py

1import copy2from datetime import datetime3from unittest import TestCase4from unittest.mock import Mock, call, patch, ANY5import botocore.session6from botocore.stub import Stubber7from samcli.lib.observability.cw_logs.cw_log_event import CWLogEvent8from samcli.lib.observability.cw_logs.cw_log_puller import CWLogPuller9from samcli.lib.utils.time import to_timestamp, to_datetime10class TestCWLogPuller_load_time_period(TestCase):11    def setUp(self):12        self.log_group_name = "name"13        self.stream_name = "stream name"14        self.timestamp = to_timestamp(datetime.utcnow())15        real_client = botocore.session.get_session().create_client("logs", region_name="us-east-1")16        self.client_stubber = Stubber(real_client)17        self.consumer = Mock()18        self.fetcher = CWLogPuller(real_client, self.consumer, self.log_group_name)19        self.mock_api_response = {20            "events": [21                {22                    "eventId": "id1",23                    "ingestionTime": 0,24                    "logStreamName": self.stream_name,25                    "message": "message 1",26                    "timestamp": self.timestamp,27                },28                {29                    "eventId": "id2",30                    "ingestionTime": 0,31                    "logStreamName": self.stream_name,32                    "message": "message 2",33                    "timestamp": self.timestamp,34                },35            ]36        }37        self.expected_events = [38            CWLogEvent(39                self.log_group_name,40                {41                    "eventId": "id1",42                    "ingestionTime": 0,43                    "logStreamName": self.stream_name,44                    "message": "message 1",45                    "timestamp": self.timestamp,46                },47            ),48            CWLogEvent(49                self.log_group_name,50                {51                    "eventId": "id2",52                    "ingestionTime": 0,53                    "logStreamName": self.stream_name,54                    "message": "message 2",55                    "timestamp": self.timestamp,56                },57            ),58        ]59    def test_must_fetch_logs_for_log_group(self):60        expected_params = {"logGroupName": self.log_group_name, "interleaved": True}61        # Configure the stubber to return the configured response. The stubber also verifies62        # that input params were provided as expected63        self.client_stubber.add_response("filter_log_events", self.mock_api_response, expected_params)64        with self.client_stubber:65            self.fetcher.load_time_period()66            call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]67            for event in self.expected_events:68                self.assertIn(event, call_args)69    def test_must_fetch_logs_with_all_params(self):70        pattern = "foobar"71        start = datetime.utcnow()72        end = datetime.utcnow()73        expected_params = {74            "logGroupName": self.log_group_name,75            "interleaved": True,76            "startTime": to_timestamp(start),77            "endTime": to_timestamp(end),78            "filterPattern": pattern,79        }80        self.client_stubber.add_response("filter_log_events", self.mock_api_response, expected_params)81        with self.client_stubber:82            self.fetcher.load_time_period(start_time=start, end_time=end, filter_pattern=pattern)83            call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]84            for event in self.expected_events:85                self.assertIn(event, call_args)86    @patch("samcli.lib.observability.cw_logs.cw_log_puller.LOG")87    def test_must_print_resource_not_found_only_once(self, patched_log):88        pattern = "foobar"89        start = datetime.utcnow()90        end = datetime.utcnow()91        expected_params = {92            "logGroupName": self.log_group_name,93            "interleaved": True,94            "startTime": to_timestamp(start),95            "endTime": to_timestamp(end),96            "filterPattern": pattern,97        }98        self.client_stubber.add_client_error(99            "filter_log_events", expected_params=expected_params, service_error_code="ResourceNotFoundException"100        )101        self.client_stubber.add_client_error(102            "filter_log_events", expected_params=expected_params, service_error_code="ResourceNotFoundException"103        )104        self.client_stubber.add_response("filter_log_events", self.mock_api_response, expected_params)105        with self.client_stubber:106            self.assertFalse(self.fetcher._invalid_log_group)107            self.fetcher.load_time_period(start_time=start, end_time=end, filter_pattern=pattern)108            self.assertTrue(self.fetcher._invalid_log_group)109            self.fetcher.load_time_period(start_time=start, end_time=end, filter_pattern=pattern)110            self.assertTrue(self.fetcher._invalid_log_group)111            self.fetcher.load_time_period(start_time=start, end_time=end, filter_pattern=pattern)112            self.assertFalse(self.fetcher._invalid_log_group)113    def test_must_paginate_using_next_token(self):114        """Make three API calls, first two returns a nextToken and last does not."""115        token = "token"116        expected_params = {"logGroupName": self.log_group_name, "interleaved": True}117        expected_params_with_token = {"logGroupName": self.log_group_name, "interleaved": True, "nextToken": token}118        mock_response_with_token = copy.deepcopy(self.mock_api_response)119        mock_response_with_token["nextToken"] = token120        # Call 1 returns a token. Also when first call is made, token is **not** passed as API params121        self.client_stubber.add_response("filter_log_events", mock_response_with_token, expected_params)122        # Call 2 returns a token123        self.client_stubber.add_response("filter_log_events", mock_response_with_token, expected_params_with_token)124        # Call 3 DOES NOT return a token. This will terminate the loop.125        self.client_stubber.add_response("filter_log_events", self.mock_api_response, expected_params_with_token)126        # Same data was returned in each API call127        expected_events_result = self.expected_events + self.expected_events + self.expected_events128        with self.client_stubber:129            self.fetcher.load_time_period()130            call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]131            for event in expected_events_result:132                self.assertIn(event, call_args)133class TestCWLogPuller_tail(TestCase):134    def setUp(self):135        self.log_group_name = "name"136        self.filter_pattern = "pattern"137        self.start_time = to_datetime(10)138        self.max_retries = 3139        self.poll_interval = 1140        real_client = botocore.session.get_session().create_client("logs", region_name="us-east-1")141        self.client_stubber = Stubber(real_client)142        self.consumer = Mock()143        self.fetcher = CWLogPuller(144            real_client,145            self.consumer,146            self.log_group_name,147            max_retries=self.max_retries,148            poll_interval=self.poll_interval,149        )150        self.mock_api_empty_response = {"events": []}151        self.mock_api_response_1 = {152            "events": [153                {154                    "timestamp": 11,155                },156                {157                    "timestamp": 12,158                },159            ]160        }161        self.mock_api_response_2 = {162            "events": [163                {164                    "timestamp": 13,165                },166                {167                    "timestamp": 14,168                },169            ]170        }171        self.mock_events1 = [172            CWLogEvent(self.log_group_name, {"timestamp": 11}),173            CWLogEvent(self.log_group_name, {"timestamp": 12}),174        ]175        self.mock_events2 = [176            CWLogEvent(self.log_group_name, {"timestamp": 13}),177            CWLogEvent(self.log_group_name, {"timestamp": 14}),178        ]179        self.mock_events_empty = []180    @patch("samcli.lib.observability.cw_logs.cw_log_puller.time")181    def test_must_tail_logs_with_single_data_fetch(self, time_mock):182        expected_params = {183            "logGroupName": self.log_group_name,184            "interleaved": True,185            "startTime": 10,186            "filterPattern": self.filter_pattern,187        }188        expected_params_second_try = {189            "logGroupName": self.log_group_name,190            "interleaved": True,191            "startTime": 13,192            "filterPattern": self.filter_pattern,193        }194        # first successful return195        self.client_stubber.add_response("filter_log_events", self.mock_api_response_1, expected_params)196        # 3 empty returns as the number of max retries197        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_second_try)198        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_second_try)199        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_second_try)200        with patch.object(201            self.fetcher, "load_time_period", wraps=self.fetcher.load_time_period202        ) as patched_load_time_period:203            with self.client_stubber:204                self.fetcher.tail(205                    start_time=self.start_time,206                    filter_pattern=self.filter_pattern,207                )208                expected_load_time_period_calls = [209                    # First fetch returns data210                    call(self.start_time, filter_pattern=self.filter_pattern),211                    # Three empty fetches212                    call(to_datetime(13), filter_pattern=self.filter_pattern),213                    call(to_datetime(13), filter_pattern=self.filter_pattern),214                    call(to_datetime(13), filter_pattern=self.filter_pattern),215                ]216                # One per poll217                expected_sleep_calls = [call(self.poll_interval) for _ in expected_load_time_period_calls]218                consumer_call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]219                self.assertEqual(self.mock_events1, consumer_call_args)220                self.assertEqual(expected_sleep_calls, time_mock.sleep.call_args_list)221                self.assertEqual(expected_load_time_period_calls, patched_load_time_period.call_args_list)222    @patch("samcli.lib.observability.cw_logs.cw_log_puller.time")223    def test_must_tail_logs_with_multiple_data_fetches(self, time_mock):224        expected_params = {225            "logGroupName": self.log_group_name,226            "interleaved": True,227            "startTime": 10,228            "filterPattern": self.filter_pattern,229        }230        expected_params_second_try = {231            "logGroupName": self.log_group_name,232            "interleaved": True,233            "startTime": 13,234            "filterPattern": self.filter_pattern,235        }236        expected_params_third_try = {237            "logGroupName": self.log_group_name,238            "interleaved": True,239            "startTime": 15,240            "filterPattern": self.filter_pattern,241        }242        self.client_stubber.add_response("filter_log_events", self.mock_api_response_1, expected_params)243        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_second_try)244        self.client_stubber.add_response("filter_log_events", self.mock_api_response_2, expected_params_second_try)245        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_third_try)246        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_third_try)247        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params_third_try)248        expected_load_time_period_calls = [249            # First fetch returns data250            call(self.start_time, filter_pattern=self.filter_pattern),251            # This fetch was empty252            call(to_datetime(13), filter_pattern=self.filter_pattern),253            # This fetch returned data254            call(to_datetime(13), filter_pattern=self.filter_pattern),255            # Three empty fetches256            call(to_datetime(15), filter_pattern=self.filter_pattern),257            call(to_datetime(15), filter_pattern=self.filter_pattern),258            call(to_datetime(15), filter_pattern=self.filter_pattern),259        ]260        # One per poll261        expected_sleep_calls = [call(self.poll_interval) for _ in expected_load_time_period_calls]262        with patch.object(263            self.fetcher, "load_time_period", wraps=self.fetcher.load_time_period264        ) as patched_load_time_period:265            with self.client_stubber:266                self.fetcher.tail(start_time=self.start_time, filter_pattern=self.filter_pattern)267                expected_consumer_call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]268                self.assertEqual(self.mock_events1 + self.mock_events2, expected_consumer_call_args)269                self.assertEqual(expected_load_time_period_calls, patched_load_time_period.call_args_list)270                self.assertEqual(expected_sleep_calls, time_mock.sleep.call_args_list)271    @patch("samcli.lib.observability.cw_logs.cw_log_puller.time")272    def test_without_start_time(self, time_mock):273        expected_params = {274            "logGroupName": self.log_group_name,275            "interleaved": True,276            "startTime": 0,277            "filterPattern": self.filter_pattern,278        }279        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params)280        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params)281        self.client_stubber.add_response("filter_log_events", self.mock_api_empty_response, expected_params)282        expected_load_time_period_calls = [283            # Three empty fetches, all with default start time284            call(to_datetime(0), filter_pattern=ANY),285            call(to_datetime(0), filter_pattern=ANY),286            call(to_datetime(0), filter_pattern=ANY),287        ]288        # One per poll289        expected_sleep_calls = [call(self.poll_interval) for _ in expected_load_time_period_calls]290        with patch.object(291            self.fetcher, "load_time_period", wraps=self.fetcher.load_time_period292        ) as patched_load_time_period:293            with self.client_stubber:294                self.fetcher.tail(295                    filter_pattern=self.filter_pattern,296                )297                expected_consumer_call_args = [args[0] for (args, _) in self.consumer.consume.call_args_list]298                self.assertEqual([], expected_consumer_call_args)299                self.assertEqual(expected_load_time_period_calls, patched_load_time_period.call_args_list)300                self.assertEqual(expected_sleep_calls, time_mock.sleep.call_args_list)301    @patch("samcli.lib.observability.cw_logs.cw_log_puller.time")302    def test_with_throttling(self, time_mock):303        expected_params = {304            "logGroupName": self.log_group_name,305            "interleaved": True,306            "startTime": 0,307            "filterPattern": self.filter_pattern,308        }309        for _ in range(self.max_retries):310            self.client_stubber.add_client_error(311                "filter_log_events", expected_params=expected_params, service_error_code="ThrottlingException"312            )313        expected_load_time_period_calls = [call(to_datetime(0), filter_pattern=ANY) for _ in range(self.max_retries)]314        expected_time_calls = [call(2), call(4), call(16)]315        with patch.object(316            self.fetcher, "load_time_period", wraps=self.fetcher.load_time_period317        ) as patched_load_time_period:318            with self.client_stubber:319                self.fetcher.tail(filter_pattern=self.filter_pattern)320                self.consumer.consume.assert_not_called()321                self.assertEqual(expected_load_time_period_calls, patched_load_time_period.call_args_list)...

cwlogs_manager.py

Source:cwlogs_manager.py

...26    if stream_name:27        params['logStreamNamePrefix'] = stream_name28    res = cwlogs.describe_log_streams(**params)29    return res['logStreams']30def filter_log_events(group_name, filter_pat,start=None, stop=None,region_name=None):31    cwlogs = boto3.client('logs', region_name=region_name)32    params = {33        'logGroupName': group_name,34        'filterPattern': filter_pat,35    }36    if start:37        params['startTime'] = start38    if stop:39        params['endTime'] = stop40    res = cwlogs.filter_log_events(**params)41    return res['events']42start_ts = int(datetime(2022, 7, 20, 0, 25, tzinfo=timezone.utc).timestamp() * 1000)43end_ts = int(datetime(2022, 7, 20, 0, 25, tzinfo=timezone.utc).timestamp() * 1000)44if __name__ == '__main__':45    46    list_groups = list_log_groups(region_name='us-east-2')47    log.info(f'{list_groups}')48    49    list_group_streams = list_log_group_streams('/aws/lambda/logtest_soyoppa', region_name='ap-southeast-1')50    log.info(f'{list_group_streams}')51    52    #filter_events = filter_log_events('/aws/lambda/logtest_soyoppa', 'INFO Function start', region_name='ap-southeast-1')53    #log.info(f'{filter_events}')54    filter_log_events = filter_log_events('/aws/lambda/logtest_soyoppa', 'INFO Function start',start=start_ts, stop=end_ts,region_name='ap-southeast-1')...

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