It does not take too much to create a machine…

WIP: the tmux does not work.

lib.shs

@@ -1,6 +1,9 @@
 #!/bin/false
 
-mach=$(basename $(dirname "$0"))
+mach="${0#*machines/}"
+mach="${mach%%/*}"
+net="${0#*networks/}"
+net="${net%%/*}"
 
 netns=netns
 nethorror_root="`pwd`" # and hope?
@@ -49,7 +52,7 @@ bridge_name() {
 }
 
 make_bridge() {
-	br="$(bridge_name "$mach")"
+	br="$(bridge_name "$net")"
 	ip link add name "$br" type bridge
 	ip link set dev "$br" up
 }

machines/loc1xe/setup.sh

@@ -29,5 +29,5 @@ nsenter --net="$vm_netns" ip route add 2a01:4f8:c0c:36b8:ff01:8000:0:0001/128 de
 nsenter --net="$vm_netns" ip route add default via 2a01:4f8:c0c:36b8:ff01:8000:0:0001 dev wg-vms
 nsenter --net="$vm_netns" sysctl net.ipv6.conf.all.forwarding=1
 
-
+nsenter --net="$vm_netns" ./machines/$mach/vm1/start.sh
 #nsenter --net="$vm_netns" ip route add 2a01:4f8:c0c:36b8:ff01:8000:0:0001/128 dev wg-vms onlink

machines/loc1xe/vm1/create.sh

@@ -0,0 +1,20 @@
+#!/bin/sh
+
+# LEdoian's absurdly simple initrd generator (ad-hoc arc)
+
+set -eu
+outdir="$1"
+
+mkdir "$outdir/initrd"
+cp init "$outdir/initrd/"
+
+busybox="$(which busybox)"
+cp "$busybox" "$outdir/initrd/busybox"
+
+# TODO: get kernel version from /boot/vmlinuz-linux (which we use)
+kver="$(uname -r)"
+zstdcat /usr/lib/modules/$kver/kernel/drivers/net/ethernet/intel/e1000/e1000.ko.zst > "$outdir/initrd/e1000.ko"
+
+pushd "$outdir/initrd"
+find . | cpio -o -H newc > ../initrd.img
+popd

machines/loc1xe/vm1/init

@@ -0,0 +1,12 @@
+#!/busybox ash
+
+/busybox echo START
+#/busybox mdev -s
+# we know the modules, lol :-)
+/busybox insmod /e1000.ko
+/busybox ip link set lo up
+/busybox ip addr add 2a01:4f8:c0c:36b8:ff01:8000:0:3/128 dev eth0
+/busybox ip link set eth0 up
+/busybox ip route add default via 2a01:4f8:c0c:36b8:ff01:8000:0:1 dev eth0 onlink
+
+/busybox ash

machines/loc1xe/vm1/run.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -eu
+
+arch=x86_64
+kernel=/boot/vmlinuz-linux
+initrd_dir="$1"
+shift 1
+exec qemu-system-"$arch" -m 1G -kernel "$kernel" -initrd "$initrd_dir/initrd.img" -nographic -append console=ttyS0,115200n1 "$@"

machines/loc1xe/vm1/start.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+. ./lib.shs
+
+mkdir state/$mach/initdir
+tmux new-window -d vm1 sh -c machines/$mach/vm1/create.sh state/$mach/initdir \&\& machines/$mach/vm1/run.sh state/$mach/initdir