Terraform 1.7.1 AWS Init Regression

Terraform
1

Ever since we upgraded to terraform 1.7.1, we started seeing this error:

Initializing the backend...
╷
│ Error: failed to get shared config profile, ***********
│ 
│ 
╵

╷
│ Error: Backend initialization required, please run "terraform init"
│ 
│ Reason: Initial configuration of the requested backend "s3"
│ 
│ The "backend" is the interface that Terraform uses to store state,
│ perform operations, etc. If this message is showing up, it means that the
│ Terraform configuration you're using is using a custom configuration for
│ the Terraform backend.
│ 
│ Changes to backend configurations require reinitialization. This allows
│ Terraform to set up the new configuration, copy existing state, etc. Please
│ run
│ "terraform init" with either the "-reconfigure" or "-migrate-state" flags
│ to
│ use the current configuration.
│ 
│ If the change reason above is incorrect, please verify your configuration
│ hasn't changed and try again. At this point, no changes to your existing
│ configuration or state have been made.

This does not happen in terraform 1.6.5. We use the AWS provider 5.35.0+, and our backend is S3:

terraform {
  backend "s3" {
    encrypt = true
  }
  required_version = "= 1.6.5"
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 5.35.0"
    }
  }
}

This looks like a regression in 1.7.1 and 1.7.2.

2

I got same error with terraform 1.7.3.

3

I got this error when I

  • declare profile option in s3 backend configuration
  • configure AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY and AWS_SESSION_TOKEN
  • don’t declare profile in config file
 Error: Backend configuration changed
│ 
│ A change in the backend configuration has been detected, which may require migrating existing state.
│ 
│ If you wish to attempt automatic migration of the state, use "terraform init -migrate-state".
│ If you wish to store the current configuration with no changes to the state, use "terraform init -reconfigure".

So we have to provide profile or get rid of profile option in s3 backend statement.

4

use_legacy_workflow option default value has changed to false in 1.7.0. So set this value true and you can avoid error.

5

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