resource "proxmox_vm_qemu" "proxmox_vm_master" {
  for_each    = { for i, ip in var.master_ips : i => ip }
  name        = "k3s-master-${each.key}"
  target_node = var.pm_node_name
  clone       = var.tamplate_vm_name
  os_type     = "cloud-init"
  agent       = 1
  memory      = var.num_k3s_masters_mem
  cores       = 4
  cpu         = "host"
  vcpus       = 1
  scsihw      = "virtio-scsi-pci"
  bootdisk    = "scsi0"
  
  disk {
    slot     = "scsi0"
    size     = "50G"
    type     = "disk"
    storage  = "local-lvm"
    iothread = true
  }

  disk {
    slot    = "scsi1"
    type    = "cloudinit"
    storage = "local-lvm"
    backup  = true
  }

  full_clone  = true
  ciuser     = "root"
  cipassword = "8148"
  sshkeys    = file("/Users/nikolajzareckij/.ssh/id_rsa.pub")
  cicustom   = "user=local:snippets/cloud_init_master_${each.key}.yml"

  ipconfig0 = "ip=${each.value}/${var.networkrange},gw=${var.gateway}"

  lifecycle {
    ignore_changes = [
      ciuser,
      sshkeys,
      disk,
      network
    ]
  }
}

resource "proxmox_vm_qemu" "proxmox_vm_workers" {
  for_each    = { for i, ip in var.worker_ips : i => ip }
  name        = "k3s-worker-${each.key}"
  target_node = var.pm_node_name
  clone       = var.tamplate_vm_name
  os_type     = "cloud-init"
  agent       = 1
  memory      = var.num_k3s_nodes_mem
  cores       = 4
  cpu         = "host"
  vcpus       = 1
  scsihw      = "virtio-scsi-pci"
  bootdisk    = "scsi0"
  
  disk {
    slot     = "scsi0"
    size     = "50G"
    type     = "disk"
    storage  = "local-lvm"
    iothread = true
  }

  disk {
    slot    = "scsi1"
    type    = "cloudinit"
    storage = "local-lvm"
    backup  = true
  }

  full_clone  = true
  ciuser     = "root"
  cipassword = "8148"
  sshkeys    = file("/Users/nikolajzareckij/.ssh/id_rsa.pub")
  cicustom   = "user=local:snippets/cloud_init_worker_${each.key}.yml"

  ipconfig0 = "ip=${each.value}/${var.networkrange},gw=${var.gateway}"

  lifecycle {
    ignore_changes = [
      ciuser,
      sshkeys,
      disk,
      network
    ]
  }
}

locals {
  k8s_config = templatefile("./templates/k8s.tpl", {
    k3s_master_ip = join("\n", [for instance in proxmox_vm_qemu.proxmox_vm_master : join("", [instance.default_ipv4_address, " ansible_ssh_private_key_file=", var.pvt_key])]),
    k3s_node_ip   = join("\n", [for instance in proxmox_vm_qemu.proxmox_vm_workers : join("", [instance.default_ipv4_address, " ansible_ssh_private_key_file=", var.pvt_key])])
  })
}

resource "local_file" "k8s_file" {
  content  = local.k8s_config
  filename = "../inventory/my-cluster/hosts.ini"
}

resource "local_file" "var_file" {
  source   = "/Users/nikolajzareckij/Documents/homelab-k3s/inventory/group_vars/all.yml"
  filename = "/Users/nikolajzareckij/Documents/homelab-k3s/inventory/my-cluster/group_vars/all.yml"
}

resource "local_file" "cloud_init_master" {
  for_each = { for i, ip in var.master_ips : i => ip }
  
  content  = templatefile("${path.module}./snippets/cloud_init_master.yml", {
    hostname = "k3s-master-${each.key}",
  })
  filename = "/Users/nikolajzareckij/Documents/homelab-k3s/snippets/cloud_init_master_${each.key}.yml"
}

resource "local_file" "cloud_init_worker" {
  for_each = { for i, ip in var.worker_ips : i => ip }
  
  content  = templatefile("${path.module}./snippets/cloud_init_worker.yml", {
    hostname = "k3s-worker-${each.key}",
  })
  filename = "/Users/nikolajzareckij/Documents/homelab-k3s/snippets/cloud_init_worker_${each.key}.yml"
}