@aws-amplify/graphql-api-construct
Version:
AppSync GraphQL Api Construct using Amplify GraphQL Transformer.
49 lines • 7.45 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.CodegenAssets = void 0;
const aws_cdk_lib_1 = require("aws-cdk-lib");
const aws_s3_1 = require("aws-cdk-lib/aws-s3");
const aws_s3_deployment_1 = require("aws-cdk-lib/aws-s3-deployment");
const constructs_1 = require("constructs");
const MODEL_SCHEMA_KEY = 'model-schema.graphql';
const CONSOLE_SERVICE_ENDPOINT = aws_cdk_lib_1.Fn.join('', ['https://', aws_cdk_lib_1.Fn.ref('AWS::Region'), '.console.aws.amazon.com/amplify']);
/**
* Construct an S3 URI string for a given bucket and key.
* @param bucket the bucket to embed in the uri string
* @param key the key to embed in the uri string
* @returns the uri string representation.
*/
const getS3UriForBucketAndKey = (bucket, key) => `s3://${bucket.bucketName}/${key}`;
/**
* Construct which creates a bucket, and uploads file assets required for codegen to run.
* Pointers to these resources are persisted in the stack outputs.
*/
class CodegenAssets extends constructs_1.Construct {
constructor(scope, id, props) {
super(scope, id);
const bucket = new aws_s3_1.Bucket(this, `${id}Bucket`, {
removalPolicy: aws_cdk_lib_1.RemovalPolicy.DESTROY,
autoDeleteObjects: true,
// Enabling CORS to allow console to access the codegen assets.
cors: [
{
allowedMethods: [aws_s3_1.HttpMethods.GET, aws_s3_1.HttpMethods.HEAD],
allowedHeaders: ['*'],
allowedOrigins: [CONSOLE_SERVICE_ENDPOINT],
},
],
});
const deployment = new aws_s3_deployment_1.BucketDeployment(this, `${id}Deployment`, {
destinationBucket: bucket,
sources: [aws_s3_deployment_1.Source.data(MODEL_SCHEMA_KEY, props.modelSchema)],
// Bucket deployment uses a Lambda that runs AWS S3 CLI to transfer assets to destination bucket.
// That Lambda requires higher memory setting to run fast even when processing small assets (less than 1kB).
// This setting has been established experimentally. Benchmark can be found in pull request description that established it.
// The value has been chosen to prefer the lowest cost (run time * memory demand) while providing reasonable performance.
memoryLimit: 1536,
});
this.modelSchemaS3Uri = getS3UriForBucketAndKey(deployment.deployedBucket, MODEL_SCHEMA_KEY);
}
}
exports.CodegenAssets = CodegenAssets;
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