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One way to do that would be to do it “in the apply” — for example in TypeScript:

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

const bucket = new aws.s3.Bucket("my-bucket");

bucket.id.apply(async id => {
    const lookedUpBucket = await aws.s3.getBucket({
        bucket: id,
     });

    console.log(lookedUpBucket.arn);
});

However it’s somewhat unusual to do this within the scope of a single program, since after creating the resource, you already have a handle to it by name — e.g., as

bucket

or

bucket.id

. So might be good to hear a bit more about your use case if this doesn’t work for you.

In one of our particular use-cases, we are creating an Azure Storage Account. As the keys are not available on the Storage Account object, we then use

ListStorageAccountKeys.InvokeAsync()

to fetch the keys and then store those in a keyvault. The problem is that the InvokeAsync call requires args that has the resource group name as a string (Output<string> not accepted). To solve this we used resourcegroup.GetResourceName() to get the name of the resource group. However, this crashes in the preview. Maybe .Apply() is the trick then instead of GetResourceName? We have a couple of other places in the code where we do InvokeAsync() as well and it would've been really nice to be able to provide dependencies for these methods.