variables.tf

variable "aws_region" {
  description = "AWS region to deploy the cluster"
  type        = string
  default     = "us-east-1"
}

variable "environment" {
  description = "Environment name (e.g., dev, staging, prod)"
  type        = string
  default     = "dev"
}

variable "cluster_name" {
  description = "Name of the RKE2 cluster"
  type        = string
  default     = "rke2-ha-cluster"
}

variable "vpc_cidr" {
  description = "CIDR block for the VPC"
  type        = string
  default     = "10.0.0.0/16"
}

variable "public_subnet_cidrs" {
  description = "CIDR blocks for public subnets"
  type        = list(string)
  default     = ["10.0.1.0/24", "10.0.2.0/24", "10.0.3.0/24"]
}

variable "rke2_version" {
  description = "RKE2 version to install (includes Kubernetes version)"
  type        = string
  default     = "v1.34.6+rke2r1"
}

variable "control_plane_count" {
  description = "Number of control plane nodes"
  type        = number
  default     = 3
}

variable "worker_count" {
  description = "Number of worker nodes"
  type        = number
  default     = 3
}

variable "control_plane_instance_type" {
  description = "EC2 instance type for control plane nodes"
  type        = string
  default     = "t3.medium"
}

variable "worker_instance_type" {
  description = "EC2 instance type for worker nodes"
  type        = string
  default     = "t3.medium"
}

variable "root_volume_size" {
  description = "Size of the root volume in GB"
  type        = number
  default     = 50
}

variable "ssh_public_key_path" {
  description = "Path to local SSH public key file (e.g., ~/.ssh/id_rsa.pub)"
  type        = string
}

variable "ssh_key_name" {
  description = "Name for the AWS key pair (will be created from public key)"
  type        = string
  default     = "rke2-cluster-key"
}

variable "rke2_token" {
  description = "Shared secret token for RKE2 cluster join (auto-generated if empty)"
  type        = string
  default     = ""
  sensitive   = true
}

variable "admin_cidr_blocks" {
  description = "CIDR blocks allowed for SSH access"
  type        = list(string)
  default     = ["0.0.0.0/0"]
}

variable "pod_cidr" {
  description = "CIDR block for pod network"
  type        = string
  default     = "10.42.0.0/16"
}

variable "service_cidr" {
  description = "CIDR block for service network"
  type        = string
  default     = "10.43.0.0/16"
}