From cfae3f22edd89dcb004231bad60b5dae1c051395 Mon Sep 17 00:00:00 2001
From: "Andreas B. Mundt" <andreas.mundt@steinbeisschule-reutlingen.de>
Date: Sat, 27 Jan 2024 10:05:27 +0100
Subject: [PATCH] VM chooser menu and much faster direct kernel loading.
---
roles/lmn_vm/files/vm-netboot | 59 ++++++++++++++++++++++++++---------
roles/lmn_vm/tasks/main.yml | 1 +
2 files changed, 46 insertions(+), 14 deletions(-)
diff --git a/roles/lmn_vm/files/vm-netboot b/roles/lmn_vm/files/vm-netboot
index 19036a9..dbb13bd 100755
--- a/roles/lmn_vm/files/vm-netboot
+++ b/roles/lmn_vm/files/vm-netboot
@@ -4,27 +4,58 @@
#
set -eu
+menu=(standard "CLI Standard Debian GNU/Linux"
+ kde-desktop "KDE Plasma Desktop Debian GNU/Linux"
+ gnome-desktop "Gnome Desktop Debian GNU/Linux")
+img=$(dialog --clear --backtitle "Virtual Machine Chooser" \
+ --title "Choose the Virtual Machine to Start" \
+ --menu "Start VM:" 12 60 6 \
+ "${menu[@]}" 2>&1 >/dev/tty)
+
+if [[ -z $img ]] ; then
+ echo "Starting VM canceled."
+ exit 1
+fi
+
mac="$(ip link | grep -A1 "vm-macvtap" | \
- sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
+ sed -nE "s%\s+link/ether ([[:xdigit:]:]{17}) .+%\1%p")"
if [[ $# -eq 0 ]] ; then
mem=$(sed -En "s/^MemTotal:\s+([0-9]+)\s+kB/\1/p" /proc/meminfo)
cpu=$(sed -En "0,/^cpu cores/s/^cpu cores\s+:\s+([0-9]+)/\1/p" /proc/cpuinfo)
- arg="--memory $((mem/2048)) --vcpu $((cpu/2))"
- echo "Set options: $arg"
+ arg=("--memory=$((mem/2048))" "--vcpu=$((cpu/2))")
+ echo Set options: "${arg[@]}"
+else
+ arg=("$@")
fi
-loader='/usr/share/OVMF/OVMF_CODE_4M.fd,\
-loader.readonly=yes,loader.type=pflash,\
-nvram.template=/usr/share/OVMF/OVMF_VARS_4M.fd'
+kernel="http://livebox/d-i/n-live/$img/live/vmlinuz"
+initrd="http://livebox/d-i/n-live/$img/live/initrd.img"
+kargs=(boot=live components splash locales=de_DE.UTF-8 keyboard-layouts=de \
+ swap=true live-config.timezone=Europe/Berlin netboot=nfs \
+ "nfsroot=10.190.1.2:/srv/nfs/debian-live/$img/")
type="ethernet,mac=${mac},target.dev=vm-macvtap,xpath1.set=./target/@managed=no"
-XDG_CONFIG_HOME="/tmp/${UID}/.config" \
- exec "virt-install \
- --name bookworm \
- --osinfo debiantesting \
- --nodisks --import \
- --pxe --boot loader=$loader \
- --network type=$type \
- $* ${arg:-}"
+## FIXME: use passt, needs more settings for correct DNS/gateway
+# type=user,xpath1.create=./backend,xpath2.set=./backend/@type=passt,xpath3.create=./ip,xpath4.set=./ip/@family=ipv4,xpath5.set=./ip/@address=172.16.1.1,xpath6.set=./ip/@prefix=24,xpath7.create=./portForward,xpath8.set=./portForward/@proto=tcp,xpath9.set=./portForward/range/@start=2001,xpath10.set=./portForward/range/@end=2500,xpath11.set=./portForward/range/@to=1
+
+case "$img" in
+ standard)
+ arg+=("--autoconsole=text")
+ kargs+=("console=ttyS0")
+ ;;
+ *)
+ ;;
+esac
+
+http_proxy='' XDG_CONFIG_HOME="/tmp/${UID}/.config" \
+ exec virt-install \
+ --name "$img" \
+ --osinfo debiantesting \
+ --nodisks --import --noreboot --transient \
+ --install kernel="$kernel",initrd="$initrd",kernel_args="${kargs[*]}" \
+ --network "type=$type" "${arg[@]}"
+
+# --filesystem "$HOME",share
+# mount -t 9p share /mnt
diff --git a/roles/lmn_vm/tasks/main.yml b/roles/lmn_vm/tasks/main.yml
index 8681ffe..7d7e1b6 100644
--- a/roles/lmn_vm/tasks/main.yml
+++ b/roles/lmn_vm/tasks/main.yml
@@ -16,6 +16,7 @@
- ctorrent
- libvirt-daemon-system
- virt-manager
+ - dialog # for vm-netboot menu
state: latest
autoremove: true