dracut/test/TEST-40-NBD/create-root.sh

#!/bin/sh
# don't let udev and this script step on eachother's toes
for x in 64-lvm.rules 70-mdadm.rules 99-mount-rules; do
    > "/etc/udev/rules.d/$x"
done
rm -f -- /etc/lvm/lvm.conf
udevadm control --reload
printf test >keyfile
cryptsetup -q luksFormat /dev/sdb /keyfile
echo "The passphrase is test"
cryptsetup luksOpen /dev/sdb dracut_crypt_test </keyfile && \
lvm pvcreate -ff  -y /dev/mapper/dracut_crypt_test && \
lvm vgcreate dracut /dev/mapper/dracut_crypt_test && \
lvm lvcreate -l 100%FREE -n root dracut && \
lvm vgchange -ay && \
mke2fs -L dracut -j /dev/dracut/root && \
/sbin/tune2fs -e continue /dev/dracut/root && \
mkdir -p /sysroot && \
mount /dev/dracut/root /sysroot && \
cp -a -t /sysroot /source/* && \
umount /sysroot
sleep 1
lvm lvchange -a n /dev/dracut/root
udevadm settle
cryptsetup luksClose /dev/mapper/dracut_crypt_test
udevadm settle
sleep 1
eval $(udevadm info --query=env --name=/dev/sdb|while read line || [ -n "$line" ]; do [ "$line" != "${line#*ID_FS_UUID*}" ] && echo $line; done;)
{ echo "dracut-root-block-created"; echo "ID_FS_UUID=$ID_FS_UUID"; } >/dev/sda
poweroff -f