Initial upgrade flow for control-plane

initramfs/rootfs-extra/init

@@ -221,7 +221,7 @@ log "Booting kernel took $(cut -d' ' -f1 /proc/uptime) seconds."
 
 . /etc/build-info || panic "failed to source /etc/build-info"
 
-wait_for_partnames 30 rootfsA rootfsB data || panic "failed to wait for fs"
+wait_for_partnames 5 rootfsA rootfsB data || panic "failed to wait for fs"
 
 ROOT_CMD="$(get_cmdline_arg root || true)"
 BOOT_PART="$(get_cmdline_arg bootpart || true)"
@@ -283,6 +283,15 @@ if [ -n "$ALT_PART" ]; then
     ln -sf "$ALT_PART" /dev/mksaltpart
 fi
 
+mkdir -p /run/monok8s
+cat > /run/monok8s/boot-state.env <<EOF
+BOOT_PART=$BOOT_PART
+ROOT_DEV=$ROOT_DEV
+DATA_DEV=$DATA_DEV
+EOF
+
+mkdir -p /run/altrootfs
+
 mount_or_panic --move /dev /newroot/dev
 mount_or_panic --move /proc /newroot/proc
 mount_or_panic --move /sys /newroot/sys