feat: Add aws budget preparation module

aws/terraform/cloud-financial-management/budget-alert/README.md

@@ -1,10 +1,12 @@
 # Budget Alert
-This building block will set up a budget alert for your account. You can easily define an amount, threshold, and the alert receiver emails to keep an eye on you cost.
+This building block will set up a budget alert for your account. You can easily define an amount, threshold, and the alert receiver emails to keep an eye on your cost.
 
 ## Requirements
 - You need a user with at least "AWSBudgetsActionsWithAWSResourceControlAccess" permission.
-- "Access Key ID" and "Secret Access Key" for the authentication of the terraform provider
+- "Access Key ID" and "Secret Access Key" for the authentication of the terraform provider and backend bucket
 - Terraform backend file (see the next section)
 
+**Note**: Please either generate your provider information and use it as an input, or uncomment provider configuration section in terraform.tf file
+
 ## Backend configuration
 Here you can find an example of how to create a backend.tf file on this [Wiki Page](https://github.com/meshcloud/building-blocks/wiki/%5BUser-Guide%5D-Setting-up-the-Backend-for-terraform-state#how-to-configure-backendtf-file-for-these-providers)

aws/terraform/cloud-financial-management/budget-alert/provider.tf → aws/terraform/cloud-financial-management/budget-alert/terraform.tf

@@ -1,15 +1,12 @@
-
-
 terraform {
   required_providers {
     aws = {
       source  = "hashicorp/aws"
-      version = "5.31.0"
+      version = "> 5.3.0"
     }
   }
 }
 
-provider "aws" {
-  # Configuration options
-}
-
+# provider "aws" {
+
+# }

aws/terraform/cloud-financial-management/budget-alert/variables.tf

@@ -5,15 +5,20 @@ variable "amount" {
 
 variable "actual_threshold" {
   type        = string
-  description = "The actual threshold to trigger the alert when it's reached"
+  description = "The actual threshold to trigger the alert when it's reached. e.g '90' for 90%"
 }
 
 variable "forecasted_threshold" {
   type        = string
-  description = "The forecasted threshold to trigger the alert when it's reached"
+  description = "The forecasted threshold to trigger the alert when it's reached. e.g '90' for 90%"
 }
 
 variable "contact_email" {
   type        = list(string)
   description = "list of emails which should receive the budget alerts. e.g. ['devops@example.com']"
 }
+
+variable "aws_account_id" {
+  type        = string
+  description = "The AWS Account ID. You can user 'Platform Tenant ID'"
+}