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you cannot do this with Pulumi, it’s an imperative action. you need to just define the security group and let pulumi create it, not do conditional logic

<@UCWG26BH7>

But what if I need to make a condition? for example before creating an EKS cluster I need to validate if it exists

Just like VPC for example... How do I check if the VPC with the name "XPTO" exists?

If you _really_ want to do this the best way is to make a call to boto3 directly.

But I agree with jaxxstorm, it's not a regular pattern, you should just let Pulumi do it's job in a declarative way.