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@aws-solutions-constructs/aws-lambda-elasticsearch-kibana

v2.9.0

Published

CDK Constructs for AWS Lambda to AWS Elasticsearch with Kibana integration

Downloads

11,607

Readme

aws-lambda-elasticsearch-kibana module


Stability: Experimental

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 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 This means that while you may use them, you may need to update your source code when upgrading to a newer version of this package.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:| https://docs.aws.amazon.com/solutions/latest/constructs/| |:-------------|:-------------|

| Language | Package | |:-------------|-----------------| |Python Logo Python|aws_solutions_constructs.aws_lambda_elasticsearch_kibana| |Typescript Logo Typescript|@aws-solutions-constructs/aws-lambda-elasticsearch-kibana| |Java Logo Java|software.amazon.awsconstructs.services.lambdaelasticsearchkibana|

Overview

This AWS Solutions Construct implements the AWS Lambda function and Amazon Elasticsearch Service with the least privileged permissions.

Here is a minimal deployable pattern definition:

Typescript

import { Construct } from 'constructs';
import { Stack, StackProps, Aws } from 'aws-cdk-lib';
import { LambdaToElasticSearchAndKibana } from '@aws-solutions-constructs/aws-lambda-elasticsearch-kibana';
import * as lambda from "aws-cdk-lib/aws-lambda";

const lambdaProps: lambda.FunctionProps = {
  code: lambda.Code.fromAsset(`lambda`),
  runtime: lambda.Runtime.NODEJS_14_X,
  handler: 'index.handler'
};

new LambdaToElasticSearchAndKibana(this, 'sample', {
  lambdaFunctionProps: lambdaProps,
  domainName: 'testdomain',
  // TODO: Ensure the Cognito domain name is globally unique
  cognitoDomainName: 'globallyuniquedomain' + Aws.ACCOUNT_ID
});

Python

from aws_solutions_constructs.aws_lambda_elasticsearch_kibana import LambdaToElasticSearchAndKibana
from aws_cdk import (
    aws_lambda as _lambda,
    Aws,
    Stack
)
from constructs import Construct

lambda_props = _lambda.FunctionProps(
    code=_lambda.Code.from_asset('lambda'),
    runtime=_lambda.Runtime.PYTHON_3_9,
    handler='index.handler'
)

LambdaToElasticSearchAndKibana(self, 'sample',
                            lambda_function_props=lambda_props,
                            domain_name='testdomain',
                            # TODO: Ensure the Cognito domain name is globally unique
                            cognito_domain_name='globallyuniquedomain' + Aws.ACCOUNT_ID
                            )

Java

import software.constructs.Construct;

import software.amazon.awscdk.Stack;
import software.amazon.awscdk.StackProps;
import software.amazon.awscdk.Aws;
import software.amazon.awscdk.services.lambda.*;
import software.amazon.awscdk.services.lambda.Runtime;
import software.amazon.awsconstructs.services.lambdaelasticsearchkibana.*;

new LambdaToElasticSearchAndKibana(this, "sample",
        new LambdaToElasticSearchAndKibanaProps.Builder()
                .lambdaFunctionProps(new FunctionProps.Builder()
                        .runtime(Runtime.NODEJS_14_X)
                        .code(Code.fromAsset("lambda"))
                        .handler("index.handler")
                        .build())
                .domainName("testdomain")
                // TODO: Ensure the Cognito domain name is globally unique
                .cognitoDomainName("globallyuniquedomain" + Aws.ACCOUNT_ID)
                .build());

Pattern Construct Props

| Name | Type | Description | |:-------------|:----------------|-----------------| |existingLambdaObj?|lambda.Function|Existing instance of Lambda Function object, providing both this and lambdaFunctionProps will cause an error.| |lambdaFunctionProps?|lambda.FunctionProps|User provided props to override the default props for the Lambda function.| |esDomainProps?|elasticsearch.CfnDomainProps|Optional user provided props to override the default props for the Elasticsearch Service| |domainName|string|Domain name for the Cognito and the Elasticsearch Service| |cognitoDomainName?|string|Optional Cognito Domain Name, if provided it will be used for Cognito Domain, and domainName will be used for the Elasticsearch Domain| |createCloudWatchAlarms|boolean|Whether to create recommended CloudWatch alarms| |domainEndpointEnvironmentVariableName?|string|Optional Name for the Lambda function environment variable set to the domain endpoint. Default: DOMAIN_ENDPOINT |

Pattern Properties

| Name | Type | Description | |:-------------|:----------------|-----------------| |lambdaFunction|lambda.Function|Returns an instance of lambda.Function created by the construct| |userPool|cognito.UserPool|Returns an instance of cognito.UserPool created by the construct| |userPoolClient|cognito.UserPoolClient|Returns an instance of cognito.UserPoolClient created by the construct| |identityPool|cognito.CfnIdentityPool|Returns an instance of cognito.CfnIdentityPool created by the construct| |elasticsearchDomain|elasticsearch.CfnDomain|Returns an instance of elasticsearch.CfnDomain created by the construct| |elasticsearchDomain|iam.Role|Returns an instance of iam.Role created by the construct for elasticsearch.CfnDomain| |cloudwatchAlarms?|cloudwatch.Alarm[]|Returns a list of cloudwatch.Alarm 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.

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) DOMAIN_ENDPOINT
    • AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x and higher functions)

Amazon Cognito

  • Set password policy for User Pools
  • Enforce the advanced security mode for User Pools

Amazon Elasticsearch Service

  • Deploy best practices CloudWatch Alarms for the Elasticsearch Domain
  • Secure the Kibana dashboard access with Cognito User Pools
  • Enable server-side encryption for Elasticsearch Domain using AWS managed KMS Key
  • Enable node-to-node encryption for Elasticsearch Domain
  • Configure the cluster for the Amazon ES domain

Architecture

Architecture Diagram


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