#!/bin/bash
# called by dracut
check() {
local _rootdev
# if an nbd device is not somewhere in the chain of devices root is
# mounted on, fail the hostonly check.
[[ $hostonly ]] || [[ $mount_needs ]] && {
is_nbd() { [[ -b /dev/block/$1 && $1 == 43:* ]] ;}
_rootdev=$(find_root_block_device)
[[ -b /dev/block/$_rootdev ]] || return 1
check_block_and_slaves is_nbd "$_rootdev" || return 255
}
require_binaries nbd-client || return 1
return 0
}
# called by dracut
depends() {
# We depend on network modules being loaded
echo network rootfs-block
}
# called by dracut
installkernel() {
instmods nbd
}
# called by dracut
install() {
inst nbd-client
inst_hook cmdline 90 "$moddir/parse-nbdroot.sh"
inst_script "$moddir/nbdroot.sh" "/sbin/nbdroot"
if dracut_module_included "systemd-initrd"; then
inst_script "$moddir/nbd-generator.sh" $systemdutildir/system-generators/dracut-nbd-generator
fi
dracut_need_initqueue
}