variable "cluster_name" {
  description = "A name prefix for the cluster resources."
  type = string
  default = "k3s"
}

variable "libvirt_uri" {
  description = "Libvirt connection URI."
  type = string
  default = "qemu:///system"
}

# --- Base Image ---
variable "base_image_url" {
  description = "URL of the cloud image to download (e.g., Fedora Cloud Base)."
  type        = string
  default     = "https://download.fedoraproject.org/pub/fedora/linux/releases/42/Cloud/x86_64/images/Fedora-Cloud-Base-Generic-42-1.1.x86_64.qcow2"
}

variable "base_image_name" {
  description = "Name for the base image volume in libvirt pool."
  type        = string
  default     = "fedora-cloud-base.qcow2"
}

variable "libvirt_pool" {
  description = "Name of the libvirt storage pool to use."
  type        = string
  default     = "default"
}

# --- VM Common Settings ---
variable "ssh_public_key_path" {
  description = "Path to your public SSH key for accessing the VMs."
  type        = string
  default     = "~/.ssh/id_cluster.pub"
}

variable "vm_user" {
  description = "Default user to create in the VMs via cloud-init."
  type        = string
  default     = "fedora"
}

variable "vm_memory" {
  description = "Memory for each VM in MiB."
  type        = number
  default     = 2048
}

variable "vm_vcpu" {
  description = "Number of virtual CPUs for each VM."
  type        = number
  default     = 2
}

variable "vm_disk_size" {
  description = "Disk size for each VM's root volume in bytes."
  type        = number
  default     = 21474836480
}

# --- Network ---
variable "libvirt_network_name" {
  description = "Name of the libvirt network to connect VMs to."
  type        = string
  default     = "default"
}

# --- Node Specific ---
variable "server_hostname" {
  description = "Hostname for the K3s server node."
  type        = string
  default     = "k3s-server"
}

variable "agent_hostname" {
  description = "Hostname for the K3s agent node."
  type        = string
  default     = "k3s-agent-01"
}