|
| 1 | +//!!NODE_ROOT <section> |
| 2 | +//== aws-lambda-transcribe module |
| 3 | + |
| 4 | +[.topic] |
| 5 | += aws-lambda-transcribe |
| 6 | +:info_doctype: section |
| 7 | +:info_title: aws-lambda-transcribe |
| 8 | + |
| 9 | + |
| 10 | +image:https://img.shields.io/badge/stability-Experimental-important.svg?style=for-the-badge[Stability:Experimental] |
| 11 | + |
| 12 | +[width="100%",cols="<50%,<50%",options="header",] |
| 13 | +|=== |
| 14 | +|*Reference Documentation*: |
| 15 | +|https://docs.aws.amazon.com/solutions/latest/constructs/ |
| 16 | +|=== |
| 17 | + |
| 18 | +[width="100%",cols="<46%,54%",options="header",] |
| 19 | +|=== |
| 20 | +|*Language* |*Package* |
| 21 | +|image:https://docs.aws.amazon.com/cdk/api/latest/img/python32.png[Python |
| 22 | +Logo] Python |`aws_solutions_constructs.aws_lambda_transcribe` |
| 23 | + |
| 24 | +|image:https://docs.aws.amazon.com/cdk/api/latest/img/typescript32.png[Typescript |
| 25 | +Logo] Typescript |`@aws-solutions-constructs/aws-lambda-transcribe` |
| 26 | + |
| 27 | +|image:https://docs.aws.amazon.com/cdk/api/latest/img/java32.png[Java |
| 28 | +Logo] Java |`software.amazon.awsconstructs.services.lambdatranscribe` |
| 29 | +|=== |
| 30 | + |
| 31 | +== Overview |
| 32 | + |
| 33 | +This AWS Solutions Construct implements an AWS Lambda function connected |
| 34 | +to Amazon S3 buckets for use with Amazon Transcribe. The construct creates |
| 35 | +a source bucket for audio files and a destination bucket for transcription |
| 36 | +results, with appropriate IAM permissions for the Lambda function to interact |
| 37 | +with both buckets and Amazon Transcribe service. |
| 38 | + |
| 39 | +Here is a minimal deployable pattern definition: |
| 40 | + |
| 41 | +==== |
| 42 | +[role="tablist"] |
| 43 | +Typescript:: |
| 44 | ++ |
| 45 | +[source,typescript] |
| 46 | +---- |
| 47 | +import { Construct } from 'constructs'; |
| 48 | +import { Stack, StackProps } from 'aws-cdk-lib'; |
| 49 | +import { LambdaToTranscribe } from '@aws-solutions-constructs/aws-lambda-transcribe'; |
| 50 | +import * as lambda from 'aws-cdk-lib/aws-lambda'; |
| 51 | +
|
| 52 | +new LambdaToTranscribe(this, 'LambdaToTranscribePattern', { |
| 53 | + lambdaFunctionProps: { |
| 54 | + runtime: lambda.Runtime.NODEJS_20_X, |
| 55 | + handler: 'index.handler', |
| 56 | + code: lambda.Code.fromAsset(`lambda`) |
| 57 | + } |
| 58 | +}); |
| 59 | +---- |
| 60 | +
|
| 61 | +Python:: |
| 62 | ++ |
| 63 | +[source,python] |
| 64 | +---- |
| 65 | +from aws_solutions_constructs.aws_lambda_transcribe import LambdaToTranscribe |
| 66 | +from aws_cdk import ( |
| 67 | + aws_lambda as _lambda, |
| 68 | + Stack |
| 69 | +) |
| 70 | +from constructs import Construct |
| 71 | +
|
| 72 | +LambdaToTranscribe(self, 'LambdaToTranscribePattern', |
| 73 | + lambda_function_props=_lambda.FunctionProps( |
| 74 | + code=_lambda.Code.from_asset('lambda'), |
| 75 | + runtime=_lambda.Runtime.PYTHON_3_11, |
| 76 | + handler='index.handler' |
| 77 | + ) |
| 78 | + ) |
| 79 | +---- |
| 80 | +
|
| 81 | +Java:: |
| 82 | ++ |
| 83 | +[source,java] |
| 84 | +---- |
| 85 | +import software.constructs.Construct; |
| 86 | +
|
| 87 | +import software.amazon.awscdk.Stack; |
| 88 | +import software.amazon.awscdk.StackProps; |
| 89 | +import software.amazon.awscdk.services.lambda.*; |
| 90 | +import software.amazon.awscdk.services.lambda.Runtime; |
| 91 | +import software.amazon.awsconstructs.services.lambdatranscribe.*; |
| 92 | +
|
| 93 | +new LambdaToTranscribe(this, "LambdaToTranscribePattern", new LambdaToTranscribeProps.Builder() |
| 94 | + .lambdaFunctionProps(new FunctionProps.Builder() |
| 95 | + .runtime(Runtime.NODEJS_20_X) |
| 96 | + .code(Code.fromAsset("lambda")) |
| 97 | + .handler("index.handler") |
| 98 | + .build()) |
| 99 | + .build()); |
| 100 | +---- |
| 101 | +==== |
| 102 | + |
| 103 | +== Pattern Construct Props |
| 104 | + |
| 105 | +[width="100%",cols="<30%,<35%,35%",options="header",] |
| 106 | +|=== |
| 107 | +|*Name* |*Type* |*Description* |
| 108 | +|existingLambdaObj? |
| 109 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html[`lambda.Function`] |
| 110 | +|Existing instance of Lambda Function object, providing both this and |
| 111 | +`lambdaFunctionProps` will cause an error. |
| 112 | + |
| 113 | +|lambdaFunctionProps? |
| 114 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.FunctionProps.html[`lambda.FunctionProps`] |
| 115 | +|Optional user provided props to override the default props for the |
| 116 | +Lambda function. |
| 117 | + |
| 118 | +|existingSourceBucketObj? |
| 119 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.IBucket.html[`s3.IBucket`] |
| 120 | +|Existing instance of S3 Bucket object for source audio files. If this is provided, then also |
| 121 | +providing sourceBucketProps is an error. |
| 122 | + |
| 123 | +|sourceBucketProps? |
| 124 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.BucketProps.html[`s3.BucketProps`] |
| 125 | +|Optional user provided props to override the default props for the source S3 |
| 126 | +Bucket. |
| 127 | + |
| 128 | +|existingDestinationBucketObj? |
| 129 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.IBucket.html[`s3.IBucket`] |
| 130 | +|Existing instance of S3 Bucket object for transcription results. If this is provided, then also |
| 131 | +providing destinationBucketProps is an error. |
| 132 | + |
| 133 | +|destinationBucketProps? |
| 134 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.BucketProps.html[`s3.BucketProps`] |
| 135 | +|Optional user provided props to override the default props for the destination S3 |
| 136 | +Bucket. |
| 137 | + |
| 138 | +|useSameBucket? |`boolean` |Whether to use the same S3 bucket for both source and destination files. |
| 139 | +When true, only the source bucket will be created and used for both purposes. Default: false |
| 140 | + |
| 141 | +|existingVpc? |
| 142 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.IVpc.html[`ec2.IVpc`] |
| 143 | +|An optional, existing VPC into which this pattern should be deployed. |
| 144 | +When deployed in a VPC, the Lambda function will use ENIs in the VPC to |
| 145 | +access network resources and Interface Endpoints will be created in |
| 146 | +the VPC for Amazon S3 and Amazon Transcribe. If an existing VPC is provided, the `deployVpc` |
| 147 | +property cannot be `true`. This uses `ec2.IVpc` to allow clients to |
| 148 | +supply VPCs that exist outside the stack using the |
| 149 | +https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.Vpc.html#static-fromwbrlookupscope-id-options[`ec2.Vpc.fromLookup()`] |
| 150 | +method. |
| 151 | + |
| 152 | +|vpcProps? |
| 153 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.VpcProps.html[`ec2.VpcProps`] |
| 154 | +|Optional user provided properties to override the default properties |
| 155 | +for the new VPC. `enableDnsHostnames`, `enableDnsSupport`, `natGateways` |
| 156 | +and `subnetConfiguration` are set by the pattern, so any values for |
| 157 | +those properties supplied here will be overridden. If `deployVpc` is not |
| 158 | +`true` then this property will be ignored. |
| 159 | + |
| 160 | +|deployVpc? |`boolean` |Whether to create a new VPC based on `vpcProps` |
| 161 | +into which to deploy this pattern. Setting this to true will deploy the |
| 162 | +minimal, most private VPC to run the pattern. |
| 163 | + |
| 164 | +|sourceBucketEnvironmentVariableName? |`string` |Optional Name for the Lambda |
| 165 | +function environment variable set to the name of the source bucket. Default: |
| 166 | +SOURCE_BUCKET_NAME |
| 167 | + |
| 168 | +|destinationBucketEnvironmentVariableName? |`string` |Optional Name for the Lambda |
| 169 | +function environment variable set to the name of the destination bucket. Default: |
| 170 | +DESTINATION_BUCKET_NAME |
| 171 | + |
| 172 | +|sourceLoggingBucketProps? |
| 173 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.BucketProps.html[`s3.BucketProps`] |
| 174 | +|Optional user provided props to override the default props for the source S3 |
| 175 | +Logging Bucket. |
| 176 | + |
| 177 | +|destinationLoggingBucketProps? |
| 178 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.BucketProps.html[`s3.BucketProps`] |
| 179 | +|Optional user provided props to override the default props for the destination S3 |
| 180 | +Logging Bucket. |
| 181 | + |
| 182 | +|logSourceS3AccessLogs? |boolean |Whether to turn on Access Logging for the source S3 |
| 183 | +bucket. Creates an S3 bucket with associated storage costs for the logs. |
| 184 | +Enabling Access Logging is a best practice. default - true |
| 185 | + |
| 186 | +|logDestinationS3AccessLogs? |boolean |Whether to turn on Access Logging for the destination S3 |
| 187 | +bucket. Creates an S3 bucket with associated storage costs for the logs. |
| 188 | +Enabling Access Logging is a best practice. default - true |
| 189 | +|=== |
| 190 | + |
| 191 | +== Pattern Properties |
| 192 | + |
| 193 | +[width="100%",cols="<30%,<35%,35%",options="header",] |
| 194 | +|=== |
| 195 | +|*Name* |*Type* |*Description* |
| 196 | +|lambdaFunction |
| 197 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_lambda.Function.html[`lambda.Function`] |
| 198 | +|Returns an instance of the Lambda function created by the pattern. |
| 199 | + |
| 200 | +|sourceBucket? |
| 201 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.Bucket.html[`s3.Bucket`] |
| 202 | +|Returns an instance of the source S3 bucket if it is created by the pattern. |
| 203 | + |
| 204 | +|destinationBucket? |
| 205 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.Bucket.html[`s3.Bucket`] |
| 206 | +|Returns an instance of the destination S3 bucket if it is created by the pattern. |
| 207 | + |
| 208 | +|sourceLoggingBucket? |
| 209 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.Bucket.html[`s3.Bucket`] |
| 210 | +|Returns an instance of s3.Bucket created by the construct as the |
| 211 | +logging bucket for the source bucket. |
| 212 | + |
| 213 | +|destinationLoggingBucket? |
| 214 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.Bucket.html[`s3.Bucket`] |
| 215 | +|Returns an instance of s3.Bucket created by the construct as the |
| 216 | +logging bucket for the destination bucket. |
| 217 | + |
| 218 | +|vpc? |
| 219 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_ec2.IVpc.html[`ec2.IVpc`] |
| 220 | +|Returns an interface on the VPC used by the pattern (if any). This may |
| 221 | +be a VPC created by the pattern or the VPC supplied to the pattern |
| 222 | +constructor. |
| 223 | + |
| 224 | +|sourceBucketInterface |
| 225 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.IBucket.html[`s3.IBucket`] |
| 226 | +|Returns an interface of s3.IBucket used by the construct for the source bucket whether created by the pattern or supplied from the client. |
| 227 | + |
| 228 | +|destinationBucketInterface |
| 229 | +|https://docs.aws.amazon.com/cdk/api/v2/docs/aws-cdk-lib.aws_s3.IBucket.html[`s3.IBucket`] |
| 230 | +|Returns an interface of s3.IBucket used by the construct for the destination bucket whether created by the pattern or supplied from the client. |
| 231 | +|=== |
| 232 | + |
| 233 | +== Default settings |
| 234 | + |
| 235 | +Out of the box implementation of the Construct without any override will |
| 236 | +set the following defaults: |
| 237 | + |
| 238 | +=== AWS Lambda Function |
| 239 | + |
| 240 | +* Configure limited privilege access IAM role for Lambda function |
| 241 | +* Enable reusing connections with Keep-Alive for NodeJs Lambda function |
| 242 | +* Enable X-Ray Tracing |
| 243 | +* Set Environment Variables |
| 244 | +** (default) SOURCE_BUCKET_NAME |
| 245 | +** (default) DESTINATION_BUCKET_NAME |
| 246 | +** AWS_NODEJS_CONNECTION_REUSE_ENABLED (for Node 10.x |
| 247 | +and higher functions) |
| 248 | +* Grant permissions to use Amazon Transcribe service, write permissions to the source bucket, and read permissions to the destination bucket |
| 249 | + |
| 250 | +=== Amazon S3 Buckets |
| 251 | + |
| 252 | +* Configure Access logging for both S3 Buckets |
| 253 | +* Enable server-side encryption for both S3 Buckets using AWS managed KMS Key |
| 254 | +* Enforce encryption of data in transit |
| 255 | +* Turn on the versioning for both S3 Buckets |
| 256 | +* Don't allow public access for both S3 Buckets |
| 257 | +* Retain the S3 Buckets when deleting the CloudFormation stack |
| 258 | +* Applies Lifecycle rule to move noncurrent object versions to Glacier |
| 259 | +storage after 90 days |
| 260 | + |
| 261 | +=== Amazon Transcribe Service |
| 262 | + |
| 263 | +* The Transcribe service will have read access to the source bucket and write permissions to the destination bucket |
| 264 | +* Lambda function will have permissions to start transcription jobs, get job status, and list transcription jobs |
| 265 | + |
| 266 | +=== Amazon VPC |
| 267 | + |
| 268 | +* If deployVpc is true, a minimal VPC will be created with: |
| 269 | +** Interface Endpoints for Amazon S3 and Amazon Transcribe |
| 270 | +** Private subnets for Lambda function |
| 271 | +** Appropriate security groups and routing |
| 272 | + |
| 273 | +== Architecture |
| 274 | + |
| 275 | + |
| 276 | +image::aws-lambda-transcribe.png["Diagram showing the Lambda function, source and destination S3 buckets, Amazon Transcribe service, and IAM roles created by the construct",scaledwidth=100%] |
| 277 | + |
| 278 | +== Example Lambda Function Implementation |
| 279 | + |
| 280 | +While Solutions Constructs does not publish code for the Lambda function to call Transcribe, there is an example of calling Transcribe https://github.com/awsdocs/aws-doc-sdk-examples/blob/main/javascriptv3/example_code/transcribe/src/transcribe_create_job.js['here']. |
| 281 | + |
| 282 | +// github block |
| 283 | + |
| 284 | +''''' |
| 285 | + |
| 286 | +© Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
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