fix(terraform): parameterize worker network interface, use nvme diskSelector instead of raw path, add configurable swap partition support

terraform/main.tf

@@ -89,6 +89,7 @@ resource "local_file" "worker_configs" {
     lan_ip              = each.value.lan_ip
     lan_subnet          = each.value.lan_subnet
     lan_gateway         = each.value.lan_gateway
+    network_interface   = each.value.network_interface
     kubelet_image       = local.kubelet_image
     cluster_dns_ip      = local.cluster_dns_ip
     install_disk        = each.value.install_disk
@@ -100,6 +101,7 @@ resource "local_file" "worker_configs" {
     zone                = each.value.zone
     gpu_count           = each.value.gpu_count
     extra_disks         = each.value.extra_disks
+    swap_size           = each.value.swap_size
 
     # Cluster config
     cluster_id      = var.cluster_id

terraform/templates/worker.tftpl

@@ -12,7 +12,7 @@ machine:
   network:
     hostname: ${hostname}
     interfaces:
-      - interface: eno1
+      - interface: ${network_interface}
         addresses:
           - ${lan_ip}/24
         routes:
@@ -37,11 +37,15 @@ machine:
       - ${cluster_dns_ip}
     extraArgs:
       rotate-server-certificates: true
+    extraConfig:
+      memorySwap:
+        swapBehavior: LimitedSwap
     nodeIP:
       validSubnets:
         - 192.168.1.0/24
   install:
-    disk: ${install_disk}
+    diskSelector:
+      match: disk.transport == "nvme"
     image: ${factory_image}
     wipe: true
     grubUseUKICmdline: true
@@ -93,3 +97,14 @@ cluster:
       kubernetes:
         disabled: true
       service: {}
+%{ if swap_size != "" ~}
+---
+apiVersion: v1alpha1
+kind: SwapVolumeConfig
+name: swap1
+provisioning:
+  diskSelector:
+    match: disk.transport == "nvme"
+  minSize: ${swap_size}
+  maxSize: ${swap_size}
+%{ endif ~}

terraform/variables.tf

@@ -128,9 +128,11 @@ variable "worker_configs" {
     lan_subnet        = string
     lan_gateway       = string
     install_disk      = string
+    network_interface = optional(string, "eno1")
     zone              = string
     gpu_count         = optional(number, 0)
     factory_image     = optional(string)
+    swap_size         = optional(string, "")
     extra_disks = optional(list(object({
       device     = string
       mountpoint = string