TF is unable to revert changes made to aws_vpn_connection in AWS Console

[karaluh]

Community Note

• Please vote on this issue by adding a 👍 reaction to the original issue to help the community and maintainers prioritize this request
• Please do not leave "+1" or other comments that do not add relevant new information or questions, they generate extra noise for issue followers and do not help prioritize the request
• If you are interested in working on this issue or have submitted a pull request, please leave a comment

Terraform CLI and Terraform AWS Provider Version

Terraform v1.0.9
on windows_amd64

• provider registry.terraform.io/hashicorp/aws v3.63.0

Affected Resource(s)

• aws_vpn_connection

Terraform Configuration Files

Please include all Terraform configurations required to reproduce the bug. Bug reports without a functional reproduction may be closed without investigation.

resource "aws_vpc" "vpc" {
  cidr_block = "10.0.0.0/16"
}

resource "aws_vpn_gateway" "vpn_gateway" {
  vpc_id = aws_vpc.vpc.id
}

resource "aws_customer_gateway" "customer_gateway" {
  bgp_asn    = 65000
  ip_address = "172.0.0.1"
  type       = "ipsec.1"
}

resource "aws_vpn_connection" "main" {
  vpn_gateway_id      = aws_vpn_gateway.vpn_gateway.id
  customer_gateway_id = aws_customer_gateway.customer_gateway.id
  type                = "ipsec.1"
  static_routes_only  = true
}

Debug Output

https://gist.github.com/karaluh/4858c0ce45a3457422e395fdca893304

Panic Output

Expected Behavior

Terraform should revert changes to the VPN connection made in AWS Console.

Actual Behavior

terraform apply returns HTTP error 400.

Steps to Reproduce

1. terraform apply the attached config
2. Go to AWS Console after the apply finishes https://eu-west-1.console.aws.amazon.com/vpc/home?region=eu-west-1#VpnConnections:sort=VpnConnectionId
3. Select the connection created by TF
4. Edit tunnel options (Actions->Modify VPN Tunnel Options)
5. Select any of the VPN Tunnel Outside IP Address
6. Change any option, for example switch Startup Action to Start and press Save and afterwards Close
7. Wait until the change is applied and the value in the State column changes from modifying to available
8. Apply the TF code again

Important Factoids

References

[github-actions]

This functionality has been released in v4.0.0 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!

[github-actions]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.