feat(infrastructure): add basic terraform resources

tofu/config/maxscale/variables.tf

@@ -0,0 +1,52 @@
+variable "mariadb_password" {
+  description = "Password for standard MariaDB users (stored in Secret). Keep secure."
+  type        = string
+  sensitive   = true
+}
+
+variable "mariadb_root_password" {
+  description = "Root password for MariaDB (stored in Secret). Keep secure."
+  type        = string
+  sensitive   = true
+}
+
+variable "mariadb_user_name" {
+  description = "Application username to create and grant privileges to"
+  type        = string
+}
+
+variable "mariadb_user_host" {
+  description = "Host (wildcard or specific) for the application user"
+  type        = string
+}
+
+variable "maxscale_ip" {
+  description = "MetalLB IP for MaxScale service"
+  type        = string
+}
+
+variable "service_ip" {
+  description = "MetalLB IP for general MariaDB service"
+  type        = string
+}
+
+variable "primary_ip" {
+  description = "MetalLB IP for MariaDB primary service"
+  type        = string
+}
+
+variable "secondary_ip" {
+  description = "MetalLB IP for MariaDB secondary service"
+  type        = string
+}
+
+variable "phpmyadmin_enabled" {
+  description = "Whether to deploy phpMyAdmin auxiliary components"
+  type        = bool
+}
+
+variable "mariadb_user_password" {
+  description = "Password for the application MariaDB user"
+  type        = string
+  sensitive   = true
+}