core: Add uuid() interpolate function.

[phinze]

Utilize hashicorp's go-uuid library for proper random seeding setup.

[apparentlymart]

Is this building on #3563 or is it a fresh implementation?

[phinze]

About to comment over there - I think we can rework #3563 to be caused something besides uuid() and keep this as a more "pure" uuid function.

[phinze]

(Working on the dep vendoring now too.)

[jen20]

This looks good to me. 👍

[gjohnson]

👍

[gozer]

That's great, but I was hoping something like this would become posible:

resource "aws_s3_bucket" "test" {
    lifecycle {
      ignore_changes = ["bucket"]
    }

    bucket = "some-prefix-${uuid()}"
    acl = "private"
}

However, the bucket creation itself initially fails, am I doing something obviously wrong here?

[phinze]

@gozer you're doing it right, that's a bug with ignore_changes that i'm actively working on fixing! stay tuned

[gozer]

@phinze great, thanks for the feedback. Do you have an issue number for that ignore_change bug?

[phinze]

@gozer just opened a roll-up issue for my efforts 👉 #5627

[ghost]

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