[Bug]: "panic interfacs convertion" when trying to create a aws_resourcegroups_resource resource

[ltshb]

Terraform Core Version

1.4.4

AWS Provider Version

5.1.0

Affected Resource(s)

aws_resourcegroups_resource
aws_ec2_capacity_reservation
aws_resourcegroups_group

Expected Behavior

Adding an EC2 Capacity reservation to a resource group

Actual Behavior

The creation of the aws_resourcegroups_resource to attach the aws_ec2_capacity_reservation to the aws_resourcegroups_group is failing with the error below.

Relevant Error/Panic Output Snippet

╷
│ Error: Plugin did not respond
│ 
│   with aws_resourcegroups_resource.eks["eu-central-1a"],
│   on resource-group.tf line 20, in resource "aws_resourcegroups_resource" "eks":
│   20: resource "aws_resourcegroups_resource" "eks" {
│ 
│ The plugin encountered an error, and failed to respond to the plugin.(*GRPCProvider).ApplyResourceChange call. The plugin logs may contain more details.
╵
╷
│ Error: Plugin did not respond
│ 
│   with aws_resourcegroups_resource.eks["eu-central-1c"],
│   on resource-group.tf line 20, in resource "aws_resourcegroups_resource" "eks":
│   20: resource "aws_resourcegroups_resource" "eks" {
│ 
│ The plugin encountered an error, and failed to respond to the plugin.(*GRPCProvider).ApplyResourceChange call. The plugin logs may contain more details.
╵
╷
│ Error: Request cancelled
│ 
│   with aws_resourcegroups_resource.eks["eu-central-1b"],
│   on resource-group.tf line 20, in resource "aws_resourcegroups_resource" "eks":
│   20: resource "aws_resourcegroups_resource" "eks" {
│ 
│ The plugin.(*GRPCProvider).ApplyResourceChange request was cancelled.
╵
Releasing state lock. This may take a few moments...

Stack trace from the terraform-provider-aws_v5.1.0_x5 plugin:

panic: interface conversion: interface {} is nil, not string

goroutine 394 [running]:
github.com/hashicorp/terraform-provider-aws/internal/service/resourcegroups.resourceResourceCreate({0xf139e40, 0xc004d979e0}, 0x0?, {0xdc1b800?, 0xc00164a000?})
        github.com/hashicorp/terraform-provider-aws/internal/service/resourcegroups/resource.go:70 +0x4e5
github.com/hashicorp/terraform-provider-aws/internal/provider.interceptedHandler[...].func1(0x0?, {0xdc1b800?, 0xc00164a000?})
        github.com/hashicorp/terraform-provider-aws/internal/provider/intercept.go:108 +0x178
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).create(0xf139e40?, {0xf139e40?, 0xc004cf2c60?}, 0xd?, {0xdc1b800?, 0xc00164a000?})
        github.com/hashicorp/terraform-plugin-sdk/v2@v2.26.1/helper/schema/resource.go:702 +0x84
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*Resource).Apply(0xc0042ac2a0, {0xf139e40, 0xc004cf2c60}, 0xc008d72d00, 0xc00afd6780, {0xdc1b800, 0xc00164a000})
        github.com/hashicorp/terraform-plugin-sdk/v2@v2.26.1/helper/schema/resource.go:837 +0xa85
github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema.(*GRPCProviderServer).ApplyResourceChange(0xc0045cadf8, {0xf139e40?, 0xc004cf2300?}, 0xc003df30e0)
        github.com/hashicorp/terraform-plugin-sdk/v2@v2.26.1/helper/schema/grpc_provider.go:1021 +0xe8d
github.com/hashicorp/terraform-plugin-mux/tf5muxserver.muxServer.ApplyResourceChange({0xc0061672f0, 0xc006167350, {0xc0091208a0, 0x2, 0x2}, {0x0, 0x0, 0x0}, {0x0, 0x0, ...}, ...}, ...)
        github.com/hashicorp/terraform-plugin-mux@v0.10.0/tf5muxserver/mux_server_ApplyResourceChange.go:27 +0x102
github.com/hashicorp/terraform-plugin-go/tfprotov5/tf5server.(*server).ApplyResourceChange(0xc002fea5a0, {0xf139e40?, 0xc006d919b0?}, 0xc00b4388c0)
        github.com/hashicorp/terraform-plugin-go@v0.15.0/tfprotov5/tf5server/server.go:818 +0x574
github.com/hashicorp/terraform-plugin-go/tfprotov5/internal/tfplugin5._Provider_ApplyResourceChange_Handler({0xd9043a0?, 0xc002fea5a0}, {0xf139e40, 0xc006d919b0}, 0xc00b438850, 0x0)
        github.com/hashicorp/terraform-plugin-go@v0.15.0/tfprotov5/internal/tfplugin5/tfplugin5_grpc.pb.go:419 +0x170
google.golang.org/grpc.(*Server).processUnaryRPC(0xc000bd7c20, {0xf14a620, 0xc00027c1a0}, 0xc008d40360, 0xc0091e1410, 0x15de8540, 0x0)
        google.golang.org/grpc@v1.54.0/server.go:1345 +0xdf0
google.golang.org/grpc.(*Server).handleStream(0xc000bd7c20, {0xf14a620, 0xc00027c1a0}, 0xc008d40360, 0x0)
        google.golang.org/grpc@v1.54.0/server.go:1722 +0xa2f
google.golang.org/grpc.(*Server).serveStreams.func1.2()
        google.golang.org/grpc@v1.54.0/server.go:966 +0x98
created by google.golang.org/grpc.(*Server).serveStreams.func1
        google.golang.org/grpc@v1.54.0/server.go:964 +0x28a

Error: The terraform-provider-aws_v5.1.0_x5 plugin crashed!

This is always indicative of a bug within the plugin. It would be immensely
helpful if you could report the crash with the plugin's maintainers so that it
can be fixed. The output above should help diagnose the issue.

Terraform Configuration Files

locals {
  aws_region         = "eu-central-1"
  env                = "development"
  cluster_name       = "dev"
  availability_zone = [
    "${local.aws_region}a",
    "${local.aws_region}b",
    "${local.aws_region}c"
  ]
}


resource "aws_resourcegroups_group" "eks" {
  name = "eks-${local.cluster_name}"

  resource_query {
    type  = "TAG_FILTERS_1_0"
    query = jsonencode({ ResourceTypeFilters = ["AWS::AllSupported"], TagFilters = [{ Key = "eks:cluster-name", Values = ["${local.cluster_name}"] }] })
  }
}

resource "aws_resourcegroups_resource" "eks" {
  for_each     = toset(local.availability_zone)
  group_arn    = aws_resourcegroups_group.eks.arn
  resource_arn = aws_ec2_capacity_reservation.k8s_upgrade[each.key].arn
}

resource "aws_ec2_capacity_reservation" "k8s_upgrade" {
  for_each          = toset(local.availability_zone)
  instance_type     = local.instance_type_b
  instance_platform = "Linux/UNIX"
  availability_zone = each.key
  instance_count    = local.desired_instances_b + 1

  tags = {
    Description = "Capacity reservation for cluster k8s ${local.env} upgrade"
  }
}

Steps to Reproduce

Apply the terraform configuration above

Debug Output

No response

Panic Output

No response

Important Factoids

No response

References

No response

Would you like to implement a fix?

None

[github-actions]

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[justinretzolk]

Hey @ltshb 👋 Thank you for taking the time to raise this! So that we have the information necessary to look into this, can you supply debug logs (redacted as needed) as well?

[ewbankkit]

terraform-provider-aws/internal/service/resourcegroups/resource.go

Lines 67 to 71 in 985efd5

	_, err := conn.GroupResourcesWithContext(ctx, in)
	if err != nil {
	return create.DiagError(names.ResourceGroups, create.ErrActionCreating, ResNameResource, d.Get("name").(string), err)
	}

This resource has no name attribute.

[github-actions]

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