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توضیحات

CDK Constructs for AWS DynamoDB Streams to AWS Lambda integration.

ویژگی	مقدار
سیستم عامل	-
نام فایل	aws-solutions-constructs.aws-dynamodbstreams-lambda-2.9.0
نام	aws-solutions-constructs.aws-dynamodbstreams-lambda
نسخه کتابخانه	2.9.0
نگهدارنده	[]
ایمیل نگهدارنده	[]
نویسنده	Amazon Web Services
ایمیل نویسنده	-
آدرس صفحه اصلی	https://github.com/awslabs/aws-solutions-constructs.git
آدرس اینترنتی	https://pypi.org/project/aws-solutions-constructs.aws-dynamodbstreams-lambda/
مجوز	Apache-2.0

# aws-dynamodbstreams-lambda module --- ![Stability: Experimental](https://img.shields.io/badge/stability-Experimental-important.svg?style=for-the-badge) > All classes are under active development and subject to non-backward compatible changes or removal in any > future version. These are not subject to the [Semantic Versioning](https://semver.org/) model. > This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package. ---  | **Reference Documentation**:| <span style="font-weight: normal">https://docs.aws.amazon.com/solutions/latest/constructs/</span>| |:-------------|:-------------| <div style="height:8px"></div> | **Language** | **Package** | |:-------------|-----------------| |![Python Logo](https://docs.aws.amazon.com/cdk/api/latest/img/python32.png) Python|`aws_solutions_constructs.aws_dynamodbstreams_lambda`| |![Typescript Logo](https://docs.aws.amazon.com/cdk/api/latest/img/typescript32.png) Typescript|`@aws-solutions-constructs/aws-dynamodbstreams-lambda`| |![Java Logo](https://docs.aws.amazon.com/cdk/api/latest/img/java32.png) Java|`software.amazon.awsconstructs.services.dynamodbstreamslambda`| ## Overview This AWS Solutions Construct implements a pattern Amazon DynamoDB table with stream to invoke the AWS Lambda function with the least privileged permissions. Here is a minimal deployable pattern definition: Typescript ```python import { Construct } from 'constructs'; import { Stack, StackProps } from 'aws-cdk-lib'; import { DynamoDBStreamsToLambdaProps, DynamoDBStreamsToLambda} from '@aws-solutions-constructs/aws-dynamodbstreams-lambda'; import * as lambda from 'aws-cdk-lib/aws-lambda'; new DynamoDBStreamsToLambda(this, 'test-dynamodbstreams-lambda', { lambdaFunctionProps: { code: lambda.Code.fromAsset(`lambda`), runtime: lambda.Runtime.NODEJS_16_X, handler: 'index.handler' }, }); ``` Python ```python from aws_solutions_constructs.aws_dynamodbstreams_lambda import DynamoDBStreamsToLambda from aws_cdk import ( aws_lambda as _lambda, Stack ) from constructs import Construct DynamoDBStreamsToLambda(self, 'test-dynamodbstreams-lambda', lambda_function_props=_lambda.FunctionProps( code=_lambda.Code.from_asset('lambda'), runtime=_lambda.Runtime.PYTHON_3_9, handler='index.handler' ) ) ``` Java ```java import software.constructs.Construct; import software.amazon.awscdk.Stack; import software.amazon.awscdk.StackProps; import software.amazon.awscdk.services.lambda.*; import software.amazon.awscdk.services.lambda.Runtime; import software.amazon.awsconstructs.services.dynamodbstreamslambda.*; new DynamoDBStreamsToLambda(this, "test-dynamodbstreams-lambda", new DynamoDBStreamsToLambdaProps.Builder() .lambdaFunctionProps(new FunctionProps.Builder() .runtime(Runtime.NODEJS_16_X) .code(Code.fromAsset("lambda")) .handler("index.handler") .build()) .build()); ``` ## Pattern Construct Props | **Name** | **Type** | **Description** | |:-------------|:----------------|-----------------| |existingLambdaObj?|[`lambda.Function`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html)|Existing instance of Lambda Function object, providing both this and `lambdaFunctionProps` will cause an error.| |lambdaFunctionProps?|[`lambda.FunctionProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.FunctionProps.html)|User provided props to override the default props for the Lambda function.| |dynamoTableProps?|[`dynamodb.TableProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.TableProps.html)|Optional user provided props to override the default props for DynamoDB Table| |existingTableInterface?|[`dynamodb.ITable`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.ITable.html)|Existing instance of DynamoDB table object or interface, providing both this and `dynamoTableProps` will cause an error.| |dynamoEventSourceProps?|[`aws-lambda-event-sources.DynamoEventSourceProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda_event_sources.DynamoEventSourceProps.html)|Optional user provided props to override the default props for DynamoDB Event Source| ## Pattern Properties | **Name** | **Type** | **Description** | |:-------------|:----------------|-----------------| |dynamoTableInterface|[`dynamodb.ITable`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.ITable.html)|Returns an instance of dynamodb.ITable created by the construct| |dynamoTable?|[`dynamodb.Table`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.Table.html)|Returns an instance of dynamodb.Table created by the construct. IMPORTANT: If existingTableInterface was provided in Pattern Construct Props, this property will be `undefined`| |lambdaFunction|[`lambda.Function`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html)|Returns an instance of lambda.Function created by the construct| ## Lambda Function This pattern requires a lambda function that can post data into the Elasticsearch. A sample function is provided [here](https://github.com/awslabs/aws-solutions-constructs/blob/master/source/patterns/%40aws-solutions-constructs/aws-dynamodbstreams-lambda-elasticsearch-kibana/test/lambda/index.js). ## Default settings Out of the box implementation of the Construct without any override will set the following defaults: ### Amazon DynamoDB Table * Set the billing mode for DynamoDB Table to On-Demand (Pay per request) * Enable server-side encryption for DynamoDB Table using AWS managed KMS Key * Creates a partition key called 'id' for DynamoDB Table * Retain the Table when deleting the CloudFormation stack * Enable continuous backups and point-in-time recovery ### AWS Lambda Function * Configure limited privilege access IAM role for Lambda function * Enable reusing connections with Keep-Alive for NodeJs Lambda function * Enable X-Ray Tracing * Enable Failure-Handling features like enable bisect on function Error, set defaults for Maximum Record Age (24 hours) & Maximum Retry Attempts (500) and deploy SQS dead-letter queue as destination on failure * Set Environment Variables * AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x and higher functions) ## Architecture ![Architecture Diagram](architecture.png) --- © Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

نیازمندی

مقدار	نام
<3.0.0,>=2.76.0	aws-cdk-lib
==2.39.0	aws-solutions-constructs.core
<11.0.0,>=10.0.0	constructs
<2.0.0,>=1.80.0	jsii
>=0.0.3	publication
~=2.13.3	typeguard

زبان مورد نیاز

مقدار	نام
~=3.7	Python

نحوه نصب

نصب پکیج whl aws-solutions-constructs.aws-dynamodbstreams-lambda-2.9.0:

pip install aws-solutions-constructs.aws-dynamodbstreams-lambda-2.9.0.whl

نصب پکیج tar.gz aws-solutions-constructs.aws-dynamodbstreams-lambda-2.9.0:

pip install aws-solutions-constructs.aws-dynamodbstreams-lambda-2.9.0.tar.gz