aws_elasticache_subnet_group missing tags property

[NJITman]

The aws_elasticache_subnet_group resource is missing the tags argument. The tags can be entered using the AWS console or via the AWS CLI or API.

[Terraform Docs] (https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/elasticache_subnet_group)

[AWS CLI2 Docs] (https://awscli.amazonaws.com/v2/documentation/api/latest/reference/elasticache/create-cache-subnet-group.html)

[AWS API Docs] (https://docs.aws.amazon.com/AmazonElastiCache/latest/APIReference/API_CreateCacheSubnetGroup.html)

Example resource block with tags argument added using list format shown in AWS CLI2 doc.

locals {
  cluster_name = "redis-dev"
  private_subnet_ids = [ "subnet-03020100" ]
}

resource "aws_elasticache_subnet_group" "subnet_group" {
  name        = "subnet-group-${local.cluster_name}"
  description = "Subnet Group (${local.cluster_name})"
  subnet_ids  = local.private_subnet_ids
  tags = [
    {
      "key"                 = "Name"
      "value"               = "subnet-group-${local.cluster_name}"
    }
  ]

Terraform Version

Terraform v0.14.10
+ provider registry.terraform.io/hashicorp/aws v3.35.0
+ provider registry.terraform.io/hashicorp/random v3.1.0
+ provider registry.terraform.io/hashicorp/template v2.2.0

Terraform Configuration Files

terraform {
  backend "s3" {
    bucket         = "bucket_name"
    key            = "terraform-state.tf"
    dynamodb_table = table_name"
  }
  required_providers {
    aws = {
      version = ">= 3.34.0"
      source  = "hashicorp/aws"
    }
  }
}

Debug Output

Error: Unsupported argument

  on modules\redis\main.tf line 13, in resource "aws_elasticache_subnet_group" "subnet_group":
  13:   tags = [

An argument named "tags" is not expected here.

Expected Behavior

Terraform should have created the subnet group resource with the associated tags.

Actual Behavior

Terraform failed with an error (see above).

Steps to Reproduce

1. terraform init
2. terraform plan

[ghost]

This issue has been automatically migrated to hashicorp/terraform-provider-aws#18884 because it looks like an issue with that provider. If you believe this is not an issue with the provider, please reply to hashicorp/terraform-provider-aws#18884.

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