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How to use describe_stack_events method in localstack

Best Python code snippet using localstack_python

test_cdk_engine.py

Source:test_cdk_engine.py

...50            OnFailure='ROLLBACK',51            Capabilities=['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM']52        )53        return mocked_response54    def mock_describe_stack_events(self, stack_name: str, stack_template: dict):55        resource_id = list(stack_template["Resources"].keys())[0]56        events_finish = {57            "StackEvents": [58                {59                    "StackId": uuid4().__str__(),60                    "EventId": "1",61                    "StackName": stack_name,62                    "LogicalResourceId": resource_id,63                    "PhysicalResourceId": resource_id,64                    "ResourceType": ".",65                    "Timestamp": datetime(2021, 1, 1),66                    "ResourceStatus": "CREATE_COMPLETE",67                    "ResourceStatusReason": "...",68                    "ResourceProperties": ".",69                    "ClientRequestToken": "."70                },71            ],72            "NextToken": "string"73        }74        self.stubber.add_response("describe_stack_events", events_finish, {75            "StackName": stack_name})76        mocked_response = self.cf_client.describe_stack_events(77            StackName=stack_name78        )79        return mocked_response80    def mock_stack_template(self):81        return {82            "Resources": {83                "dp123456789123rawelectronics": {84                    "Type": "AWS::S3::Bucket",85                    "Properties": {86                        "BucketEncryption": {87                            "ServerSideEncryptionConfiguration": [88                                  {89                                      "ServerSideEncryptionByDefault": {90                                          "SSEAlgorithm": "AES256"91                                      }92                                  }93                            ]94                        },95                        "BucketName": "123456789123-raw-electronics",96                        "LifecycleConfiguration": {97                            "Rules": [98                                {99                                      "Id": "default_trusted",100                                      "Status": "Enabled",101                                      "Transitions": [102                                          {103                                              "StorageClass": "STANDARD_IA",104                                              "TransitionInDays": 30105                                          },106                                          {107                                              "StorageClass": "GLACIER",108                                              "TransitionInDays": 60109                                          }110                                      ]111                                }112                            ]113                        },114                        "PublicAccessBlockConfiguration": {115                            "BlockPublicAcls": "true",116                            "BlockPublicPolicy": "true",117                            "IgnorePublicAcls": "true",118                            "RestrictPublicBuckets": "true"119                        }120                    },121                    "UpdateReplacePolicy": "Delete",122                    "DeletionPolicy": "Delete"123                }124            }125        }126    def get_exception_from_update_stack(self, exception: str, stack_name: str, stack_template: str):127        self.stubber.add_client_error("update_stack",128                                      service_error_code=exception,129                                      service_message=exception,130                                      http_status_code=404)131        try:132            self.cf_client.update_stack(133                StackName=stack_name,134                TemplateBody=json.dumps(stack_template),135                Capabilities=['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM']136            )137        except Exception as error:138            return error139    def get_exception_from_create_stack(self, exception: str, stack_name: str, stack_template: str):140        self.stubber.add_client_error("create_stack",141                                      service_error_code=exception,142                                      service_message=exception,143                                      http_status_code=404)144        try:145            self.cf_client.create_stack(146                StackName=stack_name,147                TemplateBody=json.dumps(stack_template),148                OnFailure='ROLLBACK',149                Capabilities=['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM']150            )151        except Exception as error:152            return error153    def get_exception_from_describe_stack_events(self, exception: str, stack_name: str):154        self.stubber.add_client_error("describe_stack_events",155                                      service_error_code=exception,156                                      service_message=exception,157                                      http_status_code=404)158        try:159            self.cf_client.describe_stack_events(160                StackName=stack_name161            )162        except Exception as error:163            return error164    def test_cdk_engine_app(self):165        cdk_engine = CDKEngine()166        assert isinstance(cdk_engine.app, cdk.App)167    def test_new_app(self):168        self.new_app()169    def test_update_stack(self):170        stack_template = self.mock_stack_template()171        my_stack = "my-stack"172        self.mock_cf.update_stack.side_effect = [173            self.mock_update_stack(174                stack_name=my_stack,175                stack_template=stack_template176            )177        ]178        self.mock_cf.describe_stack_events.side_effect = [179            self.mock_describe_stack_events(180                stack_name=my_stack,181                stack_template=stack_template182            )183        ]184        self._CDKEngine__update(185            self.mock_cf, my_stack, stack_template)186    @mock.patch("plugin.infrastructure.resource.aws.cdk.engine.helpers.is_created_resource", autospec=True)187    @mock.patch("plugin.infrastructure.resource.aws.cdk.engine.helpers.boto3", autospec=True)188    def test_deploy_stack(self, mock_boto3, mock_created_resource):189        self.new_app()190        my_stack = "my-stack"191        stack = Stack(self.app, my_stack)192        kms = stack.create_kms("test-kms", "arn::kms")193        stack.create_bucket_assets(194                name="my-bucket-to-put-assets", kms=kms)195        self.mock_cf.create_stack.side_effect = [196            self.mock_create_stack(197                stack_name=my_stack,198                stack_template=self.mock_stack_template()199            )200        ]201        self.mock_cf.describe_stack_events.side_effect = [202            self.mock_describe_stack_events(203                stack_name=my_stack,204                stack_template=self.mock_stack_template()205            )206        ]207        mock_created_resource.side_effect = [False, True]208        self.deploy(stack_name=my_stack, region="us-east-1")209    def test_raises_error_when_updating_stack(self):210        stack_template = self.mock_stack_template()211        my_stack = "my-stack"212        for exception in [213            "InsufficientCapabilitiesException",214                "TokenAlreadyExistsException"]:215            self.mock_cf.update_stack.side_effect = [216                self.get_exception_from_update_stack(217                    exception=exception,218                    stack_name=my_stack,219                    stack_template=stack_template220                )221            ]222            self.mock_cf.describe_stack_events.side_effect = [223                self.mock_describe_stack_events(224                    stack_name=my_stack,225                    stack_template=stack_template226                )227            ]228            with pytest.raises(ClientError):229                self._CDKEngine__update(self.mock_cf, my_stack, stack_template)230    @mock.patch("plugin.infrastructure.resource.aws.cdk.engine.helpers.boto3", autospec=True)231    def test_raises_already_exists_exception_when_deploy_stack(self, mock_boto3):232        mock_session = mock_boto3.Session.return_value233        mock_cf = mock_session.client.return_value234        self.new_app()235        my_stack = "my-stack"236        stack = Stack(self.app, my_stack)237        kms = stack.create_kms("test-kms", "arn::kms")238        stack.create_bucket_assets(239            name="my-bucket-to-put-assets", kms=kms)240        mock_cf.create_stack.side_effect = [241            self.get_exception_from_create_stack(242                exception="AlreadyExistsException",243                stack_name=my_stack,244                stack_template=self.mock_stack_template()245            )246        ]247        mock_cf.describe_stack_events.side_effect = [248            self.get_exception_from_describe_stack_events(249                exception="AlreadyExistsException",250                stack_name=my_stack251            )252        ]253        with pytest.raises(ClientError):254            self.deploy(stack_name=my_stack, region="us-east-1")255    @mock.patch("plugin.infrastructure.resource.aws.cdk.engine.helpers.boto3", autospec=True)256    def test_raises_unexpected_exception_when_deploy_stack(self, mock_boto3):257        mock_session = mock_boto3.Session.return_value258        mock_cf = mock_session.client.return_value259        self.new_app()260        my_stack = "my-stack"261        stack = Stack(self.app, my_stack)262        kms = stack.create_kms("test-kms", "arn::kms")263        stack.create_bucket_assets(264            name="my-bucket-to-put-assets", kms=kms)265        mock_cf.create_stack.side_effect = [266            self.get_exception_from_create_stack(267                exception="UnexpectedException",268                stack_name=my_stack,269                stack_template=self.mock_stack_template()270            )271        ]272        mock_cf.describe_stack_events.side_effect = [273            self.get_exception_from_describe_stack_events(274                exception="AlreadyExistsException",275                stack_name=my_stack276            )277        ]278        with pytest.raises(ClientError):...

cfn.py

Source:cfn.py

...57        :return: generator object yielding stack events58        :rtype: generator59        """60        if initial_entry is None:61            return self._tail_stack_events(name, len(self.describe_stack_events(name)))62        elif initial_entry < 0:63            return self._tail_stack_events(name, len(self.describe_stack_events(name)) + initial_entry)64        else:65            return self._tail_stack_events(name, initial_entry)66    def describe_stack_events(self, name):67        """68    Describe CFN stack events69    :param name: stack name70    :type name: str71    :return: stack events72    :rtype: list of boto.cloudformation.stack.StackEvent73    """74        return boto_all(self.connection.describe_stack_events,StackName=name)75    def _tail_stack_events(self, name, initial_entry):76        """77        See tail_stack_events()78        """79        previous_stack_events = initial_entry80        while True:81            stack = self.describe_stack(name)82            stack_events = self.describe_stack_events(name)83            if len(stack_events) > previous_stack_events:84                # iterate on all new events, at reversed order (the list is sorted from newest to oldest)85                for event in stack_events[:-previous_stack_events or None][::-1]:86                    yield {'resource_type': event.resource_type,87                           'logical_resource_id': event.logical_resource_id,88                           'physical_resource_id': event.physical_resource_id,89                           'resource_status': event.resource_status,90                           'resource_status_reason': event.resource_status_reason,91                           'timestamp': event.timestamp}92                previous_stack_events = len(stack_events)93            if stack.stack_status.endswith('_FAILED') or \94                    stack.stack_status in ('ROLLBACK_COMPLETE', 'UPDATE_ROLLBACK_COMPLETE'):95                yield StackFailStatus(stack.stack_status)96                break...

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