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is it possible to modify and existing eks cluster not created by pulumi?

import it into pulumi first then u should be able to set diff

pulumi aws providers are build on top of terraform using pulumi bridge

as long as tf provider supports import pulumi should support import as well

but still the first step is to import and check the state. of the stack

<https://www.pulumi.com/docs/cli/commands/pulumi_import/>

But FYI you are making pulumi manage ur resources. Be careful of what u doing :slightly_smiling_face:

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

// Existing EKS Cluster
const clusterName = "my_existing_cluster";

// Import it to Pulumi
const eksCluster = new aws.eks.Cluster(clusterName, {}, {
  import: clusterName,
});```