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توضیحات

CDK Constructs for AWS Lambda to AWS DynamoDB integration.

ویژگی	مقدار
سیستم عامل	-
نام فایل	aws-solutions-constructs.aws-lambda-dynamodb-2.9.0
نام	aws-solutions-constructs.aws-lambda-dynamodb
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-lambda-dynamodb/
مجوز	Apache-2.0

# aws-lambda-dynamodb module --- ![Stability: Stable](https://img.shields.io/badge/cfn--resources-stable-success.svg?style=for-the-badge) ---  | **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_lambda_dynamodb`| |![Typescript Logo](https://docs.aws.amazon.com/cdk/api/latest/img/typescript32.png) Typescript|`@aws-solutions-constructs/aws-lambda-dynamodb`| |![Java Logo](https://docs.aws.amazon.com/cdk/api/latest/img/java32.png) Java|`software.amazon.awsconstructs.services.lambdadynamodb`| ## Overview This AWS Solutions Construct implements the AWS Lambda function and Amazon DynamoDB table 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 { LambdaToDynamoDBProps, LambdaToDynamoDB } from '@aws-solutions-constructs/aws-lambda-dynamodb'; import * as lambda from 'aws-cdk-lib/aws-lambda'; const constructProps: LambdaToDynamoDBProps = { lambdaFunctionProps: { code: lambda.Code.fromAsset(`lambda`), runtime: lambda.Runtime.NODEJS_16_X, handler: 'index.handler' }, }; new LambdaToDynamoDB(this, 'test-lambda-dynamodb-stack', constructProps); ``` Python ```python from aws_solutions_constructs.aws_lambda_dynamodb import LambdaToDynamoDBProps, LambdaToDynamoDB from aws_cdk import ( aws_lambda as _lambda, Stack ) from constructs import Construct LambdaToDynamoDB(self, 'test_lambda_dynamodb_stack', 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.lambdadynamodb.*; new LambdaToDynamoDB(this, "test_lambda_dynamodb_stack", new LambdaToDynamoDBProps.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| |existingTableObj?|[`dynamodb.Table`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_dynamodb.Table.html)|Existing instance of DynamoDB table object, providing both this and `dynamoTableProps` will cause an error.| |tablePermissions?|`string`|Optional table permissions to grant to the Lambda function. One of the following may be specified: `All`, `Read`, `ReadWrite`, `Write`.| |tableEnvironmentVariableName?|`string`|Optional Name for the Lambda function environment variable set to the name of the DynamoDB table. Default: DDB_TABLE_NAME | |existingVpc?|[`ec2.IVpc`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.IVpc.html)|An optional, existing VPC into which this pattern should be deployed. When deployed in a VPC, the Lambda function will use ENIs in the VPC to access network resources and a Gateway Endpoint will be created in the VPC for Amazon DynamoDB. If an existing VPC is provided, the `deployVpc` property cannot be `true`. This uses `ec2.IVpc` to allow clients to supply VPCs that exist outside the stack using the [`ec2.Vpc.fromLookup()`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.Vpc.html#static-fromwbrlookupscope-id-options) method.| |vpcProps?|[`ec2.VpcProps`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.VpcProps.html)|Optional user-provided properties to override the default properties for the new VPC. `enableDnsHostnames`, `enableDnsSupport`, `natGateways` and `subnetConfiguration` are set by the pattern, so any values for those properties supplied here will be overrriden. If `deployVpc` is not `true` then this property will be ignored.| |deployVpc?|`boolean`|Whether to create a new VPC based on `vpcProps` into which to deploy this pattern. Setting this to true will deploy the minimal, most private VPC to run the pattern:<ul><li> One isolated subnet in each Availability Zone used by the CDK program</li><li>`enableDnsHostnames` and `enableDnsSupport` will both be set to true</li></ul>If this property is `true` then `existingVpc` cannot be specified. Defaults to `false`.| ## Pattern Properties | **Name** | **Type** | **Description** | |:-------------|:----------------|-----------------| |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| |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| |vpc?|[`ec2.IVpc`](https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.IVpc.html)|Returns an interface on the VPC used by the pattern (if any). This may be a VPC created by the pattern or the VPC supplied to the pattern constructor.| ## Default settings Out of the box implementation of the Construct without any override will set the following defaults: ### 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 * Set Environment Variables * (default) DDB_TABLE_NAME * AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x and higher functions) ### 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 ## 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-lambda-dynamodb-2.9.0:

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

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

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