Simplify netboot VM start by script.

roles/lmn_vm/files/vm-netboot

@@ -0,0 +1,24 @@
+#!/usr/bin/bash
+#
+# Start a netboot VM
+#
+set -eu
+
+if [[ $# -eq 0 ]] ; then
+    arg="--memory 4096 --vcpu 4"
+fi
+
+# find macvtap interface MAC address:
+MAC="$(ip link | grep -A1 "vm-macvtap" | \
+	  sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
+
+XDG_CONFIG_HOME="/tmp/${UID}/.config" \
+	       exec virt-install \
+               --name bookworm \
+               --osinfo debiantesting \
+               --nodisks --import \
+               --pxe --boot loader=/usr/share/OVMF/OVMF_CODE_4M.fd,\
+loader.readonly=yes,loader.type=pflash,\
+nvram.template=/usr/share/OVMF/OVMF_VARS_4M.fd \
+               --network type=ethernet,mac=${MAC},\
+target.dev=vm-macvtap,xpath1.set=./target/@managed=no $@ ${arg:-}