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We have a few options for this: 1. Using raw AWS APIs: https://github.com/pulumi/examples/tree/master/aws-ts-serverless-raw 2. Using our

aws.apigateway.x.API

to simplify construction of API Gateway: https://github.com/pulumi/examples/blob/master/aws-ts-apigateway/index.ts 3. Using our

@pulumi/cloud

package to do this in a cloud-neutral way: https://github.com/pulumi/examples/blob/master/cloud-js-api/index.js I'd suggest starting with (2), and referring to (1) if you need to tweak a lot of things or want to build everything up yourself. Note that the example in (2) uses a

Lambda

provided as a callback inline, but you can also just pass a

new aws.lambda.Function

you create yourself if you'd like.

Is it possible to do an S3

listObjects

with

@pulumi/aws

?

Do you want to do the

listObjects

during deployment? Or inside of a

Lambda

that runs at runtime?

inside the Lambda at runtime

Here's basically what you are describing I think:

import * as aws from "@pulumi/aws";

let bucket = new aws.s3.Bucket("mybucket");
let object = new aws.s3.BucketObject("myobject", { bucket: bucket, key: "a", content: "hello" });
let endpoint = new aws.apigateway.x.API("hello-world", {
    routes: [
        { path: "/", method: "GET", eventHandler: async (event) => {
            const s3 = new aws.sdk.S3();
            const objects = await s3.listObjects({ Bucket: bucket.id.get() }).promise();
            return {
                statusCode: 200,
                body: JSON.stringify(objects),
            }
        },
    }],
});

export let url = endpoint.url;

cool! Instead of creating an S3 bucket, can I get an existing one?

You could pass

Prefix:

to `listObjects above to apply a prefix. And could compute that prefix from

event.queryStringParameters

,

event.body

or

event.pathParameters

if needed.

awesome, that totally works! Thanks for the sample

Instead of creating an S3 bucket, can I get an existing one?

Yep -

let bucket = aws.s3.Bucket.get("mybucket", "<http://www-pulumi-com.chris.moolumi.io|www-pulumi-com.chris.moolumi.io>")

. Where the second arg is the name of the bucket.