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How to use cloudformation_api method in localstack

Best Python code snippet using localstack_python

test_cloudformation_logs.py

Source:test_cloudformation_logs.py

...5            os.path.dirname(__file__), "../templates/logs_group_and_stream.yaml"6        )7    )8    # approach 1: cloudformation_api + custom transformer for key_value "LogGroupNameOutput"9    snapshot.add_transformer(snapshot.transform.cloudformation_api())10    snapshot.add_transformer(snapshot.transform.key_value("LogGroupNameOutput"))11    # approach 2: cloudformation_api + two custom replacements with priority for LogStreamNameOutput12    # snapshot.add_transformer(snapshot.transform.cloudformation_api())13    # snapshot.add_transformer(snapshot.transform.key_value("LogStreamNameOutput"), priority=-1)14    # snapshot.add_transformer(snapshot.transform.key_value("LogGroupNameOutput"))15    # approach 3: two custom transformer:16    # snapshot.add_transformer(snapshot.transform.key_value("LogStreamNameOutput"))17    # snapshot.add_transformer(snapshot.transform.key_value("LogGroupNameOutput"))18    group_name = stack.outputs["LogGroupNameOutput"]19    stream_name = stack.outputs["LogStreamNameOutput"]20    # lets assert this by snapshot -> it's not aws response, but outputs is a dict, so we can use it here21    # assert group_name22    # assert stream_name23    snapshot.match("outputs", stack.outputs)24    streams = logs_client.describe_log_streams(25        logGroupName=group_name, logStreamNamePrefix=stream_name26    )["logStreams"]...

test_cloudformation_api.py

Source:test_cloudformation_api.py

1import json2from importlib.resources import open_text3from unittest import mock4from botocore.exceptions import ClientError5from django.test import TestCase6from djaws import s3_api, cloudformation_api7from djaws.cloudformation.exceptions import CFError8class DescribeStacksTests(TestCase):9    @classmethod10    def setUpTestData(cls):11        with open_text('djaws.tests.schemas.cloudformation', 'describe_stacks.json') as cf_json:12            cls.r_stacks_data = json.loads(cf_json.read())13    @mock.patch.object(cloudformation_api, 'cf_session_client')14    def test_ok(self, mock_client):15        mock_client.describe_stacks.return_value = self.r_stacks_data16        r_stacks = cloudformation_api.describe_stacks(17            mock_client,18            stack_name='test123',19        )20        self.assertTrue(r_stacks.first_stack.stack_status, 'CREATE_COMPLETE')21    @mock.patch.object(cloudformation_api, 'cf_session_client')22    def test_validation_error(self, mock_client):23        mock_client.describe_stacks.side_effect = ClientError(24            {25                'Error': {26                    'Code': 'ValidationError',27                    'Message': 'Details/context around the exception or error'28                },29                'ResponseMetadata': {30                    'RequestId': '1234567890ABCDEF',31                    'HostId': 'host ID data will appear here as a hash',32                    'HTTPStatusCode': 400,33                    'HTTPHeaders': {'header metadata key/values will appear here'},34                    'RetryAttempts': 035                }36            },37            'generate_presigned_post'38        )39        with self.assertRaises(CFError):40            cloudformation_api.describe_stacks(41                mock_client,42                stack_name='test123',...

describe_stacks.py

Source:describe_stacks.py

1from django.core.management.base import BaseCommand2from djaws import cloudformation_api3class Command(BaseCommand):4    help = 'Describe Cloud Formation Stack'5    def add_arguments(self, parser):6        parser.add_argument(7            "--stack_name",8            type=str,9            help="S3 Region",10        )11    def handle(self, *args, **kwargs):12        stack_name = kwargs['stack_name']13        cf_client = cloudformation_api.cf_session_client()14        try:15            r_stacks = cloudformation_api.describe_stacks(cf_client, stack_name=stack_name)16        except Exception as e:17            self.stdout.write(self.style.ERROR(f'Error while running command:\n{str(e)}'))18            raise e19        else:20            stack = r_stacks.first_stack21            self.stdout.write(self.style.MIGRATE_LABEL(f'Successfully got stack details.'))22            msg = f'id: {stack.stack_id}\nname: {stack.stack_name}\nstatus: {stack.stack_status}'...

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