# main.tf

terraform {
  required_providers {
    proxmox = {
      source  = "telmate/proxmox"
      version = "3.0.1-rc2"
    }
  }
}

provider "proxmox" {
  pm_api_url      = "https://192.168.178.11:8006/api2/json"
  pm_tls_insecure = true
}

# --- Variabili Locali per una facile configurazione ---
locals {
  proxmox_node     = "Covenant"
  template_name    = "debian-12-cloudinit"
  ssh_user         = "debian"
  k8s_version      = "1.29.3-1.1" 
  gateway_ip       = "10.66.99.254"
  dns_server       = "10.66.99.254"
  ssh_public_key   = file("~/.ssh/id_ecdsa.pub")
  ssh_private_key  = file("~/.ssh/id_ecdsa")

  control_planes = {
    Alessandro = { ip = "10.66.99.171", vmid = 451 }
    Rene       = { ip = "10.66.99.172", vmid = 452 }
    Arianna    = { ip = "10.66.99.173", vmid = 453 }
  }

  workers = {
    Stanis = { ip = "10.66.99.175", vmid = 455 }
    Itala  = { ip = "10.66.99.176", vmid = 456 }
    Duccio = { ip = "10.66.99.177", vmid = 457 }
  }
}

# --- Nodi Control Plane ---
resource "proxmox_vm_qemu" "k8s_control_planes" {
  for_each = local.control_planes

  vmid        = each.value.vmid
  name        = each.key
  target_node = local.proxmox_node
  clone       = local.template_name
  os_type     = "cloud-init"
  agent       = 1

  cores   = 2
  sockets = 1
  memory  = 4096

  # Blocco "disks" corretto (plurale)
  disks {
    scsi {
      scsi0 {
        disk {
          storage = "MD-3"
          size    = 40
        }
      }
    }
  }

  network {
    model  = "virtio"
    bridge = "vmbr0"
  }
  
  # Argomenti "flat" per la configurazione iniziale
  ipconfig0 = "ip=${each.value.ip}/24,gw=${local.gateway_ip}"
  nameserver = local.dns_server
  sshkeys = local.ssh_public_key

  # Provisioner per eseguire lo script di setup
  provisioner "remote-exec" {
    connection {
      type        = "ssh"
      user        = local.ssh_user
      private_key = local.ssh_private_key
      host        = self.default_ipv4_address
    }
    inline = split("\n", templatefile("cloud-init-script.yaml", {
      k8s_version  = local.k8s_version
      is_control_plane = true
    }))
  }
}

# --- Nodi Worker ---
resource "proxmox_vm_qemu" "k8s_workers" {
  for_each = local.workers

  vmid        = each.value.vmid
  name        = each.key
  target_node = local.proxmox_node
  clone       = local.template_name
  os_type     = "cloud-init"
  agent       = 1

  cores   = 2
  sockets = 1
  memory  = 2048

  # Blocco "disks" corretto (plurale)
  disks {
    scsi {
      scsi0 {
        disk {
          storage = "MD-3"
          size    = 25
        }
      }
    }
  }

  network {
    model  = "virtio"
    bridge = "vmbr0"
  }

  # Argomenti "flat" per la configurazione iniziale
  ipconfig0 = "ip=${each.value.ip}/24,gw=${local.gateway_ip}"
  nameserver = local.dns_server
  sshkeys = local.ssh_public_key
  
  # Provisioner per eseguire lo script di setup
  provisioner "remote-exec" {
    connection {
      type        = "ssh"
      user        = local.ssh_user
      private_key = local.ssh_private_key
      host        = self.default_ipv4_address
    }
    inline = split("\n", templatefile("cloud-init-script.yaml", {
      k8s_version  = local.k8s_version
      is_control_plane = false
    }))
  }
  depends_on = [proxmox_vm_qemu.k8s_control_planes]
}