feat: Enable k8s version tracking(renovate) / upgrades(tofu/shell)

Signed-off-by: Karteek <[email protected]>

tofu/kubernetes/main.tf

@@ -24,6 +24,7 @@ module "talos" {
     gateway         = "192.168.1.1"
     talos_version   = "v1.8"
     proxmox_cluster = "homelab"
+    kubernetes_version = "1.32.0"  # renovate: github-releases=kubernetes/kubernetes
   }
 
   nodes = {

tofu/kubernetes/talos/config.tf

@@ -16,6 +16,7 @@ data "talos_machine_configuration" "this" {
   talos_version    = var.cluster.talos_version
   machine_type     = each.value.machine_type
   machine_secrets  = talos_machine_secrets.this.machine_secrets
+  kubernetes_version = var.cluster.kubernetes_version
   config_patches   = each.value.machine_type == "controlplane" ? [
     templatefile("${path.module}/machine-config/control-plane.yaml.tftpl", {
       hostname       = each.key

tofu/kubernetes/talos/variables.tf

@@ -20,6 +20,7 @@ variable "cluster" {
     gateway         = string
     talos_version   = string
     proxmox_cluster = string
+    kubernetes_version = string
   })
 }
 

tofu/kubernetes/upgrade-k8s.sh

@@ -0,0 +1,2 @@
+# Usage: sh upgrade-k8s.sh <controlplane node> or sh upgrade-k8s.sh <controlplane node> --dry-run (for a dry run)
+talosctl $2 --nodes $1 upgrade-k8s --to 1.32.0 # renovate: github-releases=kubernetes/kubernetes