Unable to plan/apply with a custom CA bundle defined

[repl-mike-roest]

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Terraform CLI and Terraform AWS Provider Version

Terraform v1.1.5
on darwin_amd64

• provider registry.terraform.io/hashicorp/aws v4.1.0
• provider registry.terraform.io/hashicorp/random v3.1.0
• provider registry.terraform.io/integrations/github v4.20.0

Affected Resource(s)

all

Terraform Configuration Files

Any configs

Debug Output

https://gist.github.com/repl-mike-roest/ec6247ad53b59c548a8b0875b69c90d0

Expected Behavior

a plan/apply should work

Actual Behavior

❯ terraform plan
╷
│ Error: error creating AWS SDK v1 session: Error creating AWS session: LoadCustomCABundleError: unable to load custom CA bundle, HTTPClient's transport unsupported type
│ caused by: unsupported transport, http.suppressBadHTTPRedirectTransport
│
│   with provider["registry.terraform.io/hashicorp/aws"],
│   on provider.tf line 1, in provider "aws":
│    1: provider "aws" {
│
╵
❯ terraform apply
╷
│ Error: error creating AWS SDK v1 session: Error creating AWS session: LoadCustomCABundleError: unable to load custom CA bundle, HTTPClient's transport unsupported type
│ caused by: unsupported transport, http.suppressBadHTTPRedirectTransport
│
│   with provider["registry.terraform.io/hashicorp/aws"],
│   on provider.tf line 1, in provider "aws":
│    1: provider "aws" {
│
╵

Steps to Reproduce

1. terraform apply

Important Factoids

We run a zero trust networking config that requires custom CA bundles to allow for SSL inspection

References

seems potentially related to #23182 as with 4.0.0 I get the same error as in that issue.

using 3.74.2 my custom CA bundle works and I'm able to plan/apply

• #0000

[github-actions]

This functionality has been released in v4.2.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!