Terraform 0.12 compatibility about terraform-aws-tfstate-backend HOT 8 CLOSED

We are getting the same error in our build pipeline as well. Sadly we use the 'full' version of the terraform docker image and there is no way to pull that image with older versions of Terraform on it.

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@n6g7 @Rob-rls are either of you able to open a PR for 0.12 support?

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@osterman I'm happy to do this, just FYI it's evening now in the UK so serious work on it won't happen until tomorrow.

In the end we resolved the issue be creating a custom docker terraform v0.11 image that includes some of the extras that the 'full' terraform dockerhub image had.

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@osterman I gave it a try this morning but didn't get very far: ae9cee0
Just going after the error messages wasn't enough and I got a different set of errors:

Error: Invalid function argument

  on .terraform/modules/terraform_state_backend.base_label/main.tf line 80, in locals:
  80:     attributes  = "${lower(join(local.delimiter, local.attributes))}"
    |----------------
    | local.attributes is tuple with 1 element

Invalid value for "lists" parameter: element 0: string required.


Error: Unsupported argument

  on .terraform/modules/terraform_state_backend/main.tf line 30, in data "aws_iam_policy_document" "prevent_unencrypted_uploads":
  30:   statement = [

An argument named "statement" is not expected here. Did you mean to define a
block of type "statement"?


Error: Unsupported block type

  on .terraform/modules/terraform_state_backend/main.tf line 170, in data "template_file" "terraform_backend_config":
 170:   vars {

Blocks of type "vars" are not expected here. Did you mean to define argument
"vars"? If so, use the equals sign to assign it a value.

I probably won't have time to put any more time into this for a while, hope that can get you started @Rob-rls. :)

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@n6g7 thanks for taking a stab at it. Looks like we have our work cut out for us.

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Has there been any progress on this?
I may have time to look into this later this week.

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@osterman @Rob-rls I opened a PR with the necessary changes to support 0.12: #22. Could you take a look? 🙂

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This was addressed in https://github.com/cloudposse/terraform-aws-tfstate-backend/releases/tag/0.8.0
also added bats and terratest tests and Codefresh test pipeline.

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