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Does anyone have any info on how to convert `pulumi.StringOutput` to base64?

One way to do this could be to convert the `pulumi.StringOutput` to a string, convert the string to a byte slice, and create a `base64` encoded string from the byte slice:

```// convert pulumi.StringOutput to a string
stringOutput := fmt.Sprintf("%v", &lt;insert your pulumi.StringOutput&gt;)

// convert string to byte slice
bytes := []byte(stringOutput)

// encode the byte slice in base64
encoded := base64.StdEncoding.EncodeToString(bytes)```

i must be doing something wrong, cause it seems i get an address `{0xc0003798f0}`

i basically return this: `return pulumi.Sprintf(...)`  inside i a string with some `%s`  as `pulumi.StringOutput` arguments..

````func generateUserData(clusterEndpoint pulumi.StringOutput, certData pulumi.StringOutput, clusterName pulumi.StringOutput, extraRuntime string) pulumi.StringOutput {
	return pulumi.Sprintf(`
[settings.kubernetes]
api-server = "%s"
cluster-certificate = "%s"
cluster-name = "%s"

[settings.kubernetes.node-labels]
"extraRuntime" = "%s"
"host-os" = "bottle-rocket"
`, clusterEndpoint, certData, clusterName, extraRuntime)
}```

Then:
```	userData := generateUserData(eksCluster.EksCluster.Endpoint(), eksCluster.EksCluster.CertificateAuthority().Data().Elem(), eksCluster.EksCluster.Name(), "default")
	stringOutput := fmt.Sprintf("%v", userData)
	fmt.Println(stringOutput)

	// convert string to byte slice
	bytes := []byte(stringOutput)

	// encode the byte slice in base64
	encoded := base64.StdEncoding.EncodeToString(bytes)
	fmt.Println(encoded)```