using terraform_remote_state as a resource is deprecated; consider using the data source instead

[Gonzalo Fernandez]

Hi

I am upgrading to Terraform 0.7 and when running the plan I got the following

 using terraform_remote_state as a resource is deprecated; consider using the data source instead

So I got module 

resource "terraform_remote_state" "remote_s3_bucket" {

  backend = "s3"

  config {

    bucket = "${var.s3_bucket}"

    key    = "acct_mgmt_terraform/terraform.tfstate"

  }

}

I do not really understand what mean with that warning message about using the data source instead?

Any ideas?

Thanks!

[Paul Hinze]

Hi Gonzalo,

You can find more information in the 0.7 Upgrade Guide, which we're recommending that all upgrading users look over to learn about issues like this:

https://www.terraform.io/upgrade-guides/0-7.html

Hope this helps!

Paul

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[Gonzalo Fernandez]

Hey Paul,

I went through the documentation a couple of time as I wasn't very clear about any of this.

I realised this should be the "Migrating to Data Sources" part.

so

resource "terraform_remote_state" "foo" {
    backend = "s3"
    config {
        bucket = "terraform-state-prod"
        key = "network/terraform.tfstate"
        region = "us-east-1"
    }
}

Should be then:

data "terraform_remote_state" "foo" {
    backend = "s3"
    config {
        bucket = "terraform-state-prod"
        key = "network/terraform.tfstate"
        region = "us-east-1"
    }
}

If I understand this correctly?

I believe most of terraform users would appreciate a bit more extensive information and sometimes the document pages tagged with version so we can have a better idea about versions.

A document as the following: 

https://www.terraform.io/docs/state/remote/s3.html

Not sure how relevant or better to say : "accurate" is for the latest release so 0.7

Thanks again for the URL, and it's nice to hear from you again.

Gonzalo