Merge pull request #3 from my0373/feature_variable_validation

Added some additional variable validation

Author: jbartus

variables.tf

@@ -1,24 +1,49 @@
 variable "aws_region" {
   type    = string
   default = "us-east-1"
+  description = "value for the AWS region to deploy resources in, e.g. us-east-1, eu-west-2."
+  validation {
+    condition     = can(regex("^(us|eu|ap|sa|ca)-[a-z]+-[1-9]$", var.aws_region))
+    error_message = "Invalid AWS region format. Use 'us-east-1', 'eu-west-2', etc."
+  }
 }
 
 variable "nbe_token" {
   type      = string
   sensitive = true
+  description = "token supplied by Netbox Labs for your NetBox Enterprise instance."
+  validation {
+    condition     = length(var.nbe_token) > 0
+    error_message = "NetBox Enterprise token must not be empty."
+  }
 }
 
 variable "nbe_console_password" {
   type      = string
   sensitive = true
+  description = "A password of at least 6 characters for the NetBox Enterprise console user."
+  validation {
+    condition     = length(var.nbe_console_password) >= 6
+    error_message = "NetBox Enterprise console password must be at least 6 characters long."
+  }
 }
 
 variable "nbe_admin_password" {
   type      = string
   sensitive = true
+  description = "A password of at least 12 characters for the NetBox Enterprise admin user."
+  validation {
+    condition     = length(var.nbe_admin_password) >= 12
+    error_message = "NetBox Enterprise admin password must be at least 12 characters long."
+  }
 }
 
 variable "postgres_password" {
   type      = string
   sensitive = true
+  description = "A password of at least 8 characters for the PostgreSQL database."
+  validation {
+    condition     = length(var.postgres_password) >= 8
+    error_message = "PostgreSQL password must be at least 8 characters long."
+  }
 }