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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
local _rootdev
# If our prerequisites are not met, fail anyways.
type -P iscsistart hostname iscsi-iname >/dev/null || return 1
# If hostonly was requested, fail the check if we are not actually
# booting from root.
. $dracutfunctions
[[ $debug ]] && set -x
is_iscsi() (
[[ -L /sys/dev/block/$1 ]] || return
cd "$(readlink -f /sys/dev/block/$1)"
until [[ -d sys || -d iscsi_session ]]; do
cd ..
done
[[ -d iscsi_session ]]
)
[[ $hostonly ]] || [[ $mount_needs ]] && {
_rootdev=$(find_root_block_device)
if [[ $_rootdev ]]; then
# root lives on a block device, so we can be more precise about
# hostonly checking
check_block_and_slaves is_iscsi "$_rootdev" || return 1
else
return 1
fi
}
return 0
}
depends() {
echo network rootfs-block
}
installkernel() {
instmods iscsi_tcp iscsi_ibft crc32c bnx2i iscsi_boot_sysfs qla4xxx cxgb3i cxgb4i be2iscsi
iscsi_module_filter() {
local _iscsifuncs='iscsi_register_transport'
local _f
while read _f; do case "$_f" in
*.ko) [[ $(< $_f) =~ $_iscsifuncs ]] && echo "$_f" ;;
*.ko.gz) [[ $(gzip -dc <$_f) =~ $_iscsifuncs ]] && echo "$_f" ;;
*.ko.xz) [[ $(xz -dc <$_f) =~ $_iscsifuncs ]] && echo "$_f" ;;
esac
done
}
{ find_kernel_modules_by_path drivers/scsi; find_kernel_modules_by_path drivers/s390/scsi; } \
| iscsi_module_filter | instmods
}
install() {
dracut_install umount
dracut_install -o iscsiuio
inst iscsistart
inst hostname
inst iscsi-iname
inst_hook cmdline 90 "$moddir/parse-iscsiroot.sh"
inst_hook pre-pivot 90 "$moddir/cleanup-iscsi.sh"
inst "$moddir/iscsiroot" "/sbin/iscsiroot"
inst "$moddir/mount-lun.sh" "/bin/mount-lun.sh"
}
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