✨ Add tags variable (#4)

Signed-off-by: Jacob Woffenden <jacob.woffenden@digital.justice.gov.uk>

README.md

@@ -10,8 +10,11 @@ This Terraform module provisions the required resources for Observability Platfo
 
 ```hcl
 module "observability_platform_tenant" {
-  source = "ministryofjustice/observability-platform-tenant/aws"
+  source  = "ministryofjustice/observability-platform-tenant/aws"
+  version = "X.X.X"
 
   observability_platform_account_id = local.environment_management.account_ids["observability-platform-production"]
+
+  tags = local.tags
 }
 ```

main.tf

@@ -12,6 +12,8 @@ resource "aws_iam_role" "this" {
   name               = var.role_name
   path               = "/"
   assume_role_policy = data.aws_iam_policy_document.assume.json
+
+  tags = var.tags
 }
 
 resource "aws_iam_role_policy_attachment" "cloudwatch_readonly_access" {

variables.tf

@@ -1,8 +1,16 @@
 variable "role_name" {
-  type    = string
-  default = "observability-platform"
+  type        = string
+  description = "Name of the role to create, This is set as a variable but Observability Platform requires this to be set to 'observability-platform'"
+  default     = "observability-platform"
 }
 
 variable "observability_platform_account_id" {
-  type = string
+  type        = string
+  description = "Account ID of the Observability Platform environment. If you are running on Modernisation Platform you can use 'local.environment_management.account_ids[\"observability-platform-production\"]"
+}
+
+variable "tags" {
+  type        = map(string)
+  default     = {}
+  description = "Tags to apply to resources"
 }