fixed k3s selinux failed update

modules/host/locals.tf

@@ -1,16 +1,23 @@
 locals {
+  # ssh public key
   ssh_public_key = trimspace(file(var.public_key))
   # ssh_private_key is either the contents of var.private_key or null to use a ssh agent.
   ssh_private_key = var.private_key == null ? null : trimspace(file(var.private_key))
+
   # ssh_identity is not set if the private key is passed directly, but if ssh agent is used, the public key tells ssh agent which private key to use.
   # For terraforms provisioner.connection.agent_identity, we need the public key as a string.
   ssh_identity = var.private_key == null ? local.ssh_public_key : null
+
   # ssh_identity_file is used for ssh "-i" flag, its the private key if that is set, or a public key file
   # if an ssh agent is used.
   ssh_identity_file = var.private_key == null ? var.public_key : var.private_key
+
   # shared flags for ssh to ignore host keys, to use our ssh identity file for all connections during provisioning.
   ssh_args = "-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ${local.ssh_identity_file}"
 
+  # Final list of packages to install
+  needed_packages = join(" ", concat(["k3s-selinux"], var.packages_to_install))
+
   # the hosts name with its unique suffix attached
   name = "${var.name}-${random_string.server.id}"
 }