parse-iscsiroot.sh 0000755 00000013723 15151240150 0010231 0 ustar 00 #!/bin/sh
#
# Preferred format:
# root=iscsi:[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
# [root=*] netroot=iscsi:[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
#
# Legacy formats:
# [net]root=[iscsi] iscsiroot=[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
# [net]root=[iscsi] iscsi_firmware
#
# root= takes precedence over netroot= if root=iscsi[...]
#
# This script is sourced, so root should be set. But let's be paranoid
[ -z "$root" ] && root=$(getarg root=)
if [ -z "$netroot" ]; then
for nroot in $(getargs netroot=); do
[ "${nroot%%:*}" = "iscsi" ] && break
done
if [ "${nroot%%:*}" = "iscsi" ]; then
netroot="$nroot"
else
for nroot in $(getargs netroot=); do
[ "${nroot%%:*}" = "dhcp" ] && break
done
netroot="$nroot"
fi
fi
[ -z "$iscsiroot" ] && iscsiroot=$(getarg iscsiroot=)
[ -z "$iscsi_firmware" ] && getargbool 0 rd.iscsi.firmware -y iscsi_firmware && iscsi_firmware="1"
[ -n "$iscsiroot" ] && [ -n "$iscsi_firmware" ] && die "Mixing iscsiroot and iscsi_firmware is dangerous"
type write_fs_tab >/dev/null 2>&1 || . /lib/fs-lib.sh
# Root takes precedence over netroot
if [ "${root%%:*}" = "iscsi" ] ; then
if [ -n "$netroot" ] ; then
echo "Warning: root takes precedence over netroot. Ignoring netroot"
fi
netroot=$root
# if root is not specified try to mount the whole iSCSI LUN
printf 'ENV{DEVTYPE}!="partition", SYMLINK=="disk/by-path/*-iscsi-*-*", SYMLINK+="root"\n' >> /etc/udev/rules.d/99-iscsi-root.rules
[ -n "$DRACUT_SYSTEMD" ] && systemctl is-active systemd-udevd && udevadm control --reload-rules
root=/dev/root
write_fs_tab /dev/root
fi
# If it's not empty or iscsi we don't continue
for nroot in $(getargs netroot); do
[ "${nroot%%:*}" = "iscsi" ] || continue
netroot="$nroot"
break
done
# Root takes precedence over netroot
if [ "${root}" = "/dev/root" ] && getarg "netroot=dhcp" ; then
# if root is not specified try to mount the whole iSCSI LUN
printf 'ENV{DEVTYPE}!="partition", SYMLINK=="disk/by-path/*-iscsi-*-*", SYMLINK+="root"\n' >> /etc/udev/rules.d/99-iscsi-root.rules
[ -n "$DRACUT_SYSTEMD" ] && systemctl is-active systemd-udevd && udevadm control --reload-rules
fi
if [ -n "$iscsiroot" ] ; then
[ -z "$netroot" ] && netroot=$root
# @deprecated
echo "Warning: Argument iscsiroot is deprecated and might be removed in a future"
echo "release. See 'man dracut.kernel' for more information."
# Accept iscsiroot argument?
[ -z "$netroot" ] || [ "$netroot" = "iscsi" ] || \
die "Argument iscsiroot only accepted for empty root= or [net]root=iscsi"
# Override root with iscsiroot content?
[ -z "$netroot" ] || [ "$netroot" = "iscsi" ] && netroot=iscsi:$iscsiroot
fi
# iscsi_firmware does not need argument checking
if [ -n "$iscsi_firmware" ]; then
if [ "$root" != "dhcp" ] && [ "$netroot" != "dhcp" ]; then
[ -z "$netroot" ] && netroot=iscsi:
fi
modprobe -b -q iscsi_boot_sysfs 2>/dev/null
modprobe -b -q iscsi_ibft
# if no ip= is given, but firmware
echo "${DRACUT_SYSTEMD+systemctl is-active initrd-root-device.target || }[ -f '/tmp/iscsistarted-firmware' ]" > $hookdir/initqueue/finished/iscsi_started.sh
initqueue --unique --online /sbin/iscsiroot online "iscsi:" "$NEWROOT"
initqueue --unique --onetime --timeout /sbin/iscsiroot timeout "iscsi:" "$NEWROOT"
initqueue --unique --onetime --settled /sbin/iscsiroot online "iscsi:" "'$NEWROOT'"
fi
# ISCSI actually supported?
if ! [ -e /sys/module/iscsi_tcp ]; then
modprobe -b -q iscsi_tcp || die "iscsiroot requested but kernel/initrd does not support iscsi"
fi
modprobe --all -b -q qla4xxx cxgb3i cxgb4i bnx2i be2iscsi
if [ -n "$netroot" ] && [ "$root" != "/dev/root" ] && [ "$root" != "dhcp" ]; then
if ! getargbool 1 rd.neednet >/dev/null || ! getarg "ip="; then
initqueue --unique --onetime --settled /sbin/iscsiroot dummy "'$netroot'" "'$NEWROOT'"
fi
fi
if arg=$(getarg rd.iscsi.initiator -d iscsi_initiator=) && [ -n "$arg" ] && ! [ -f /run/initiatorname.iscsi ] ; then
iscsi_initiator=$arg
echo "InitiatorName=$iscsi_initiator" > /run/initiatorname.iscsi
ln -fs /run/initiatorname.iscsi /dev/.initiatorname.iscsi
rm -f /etc/iscsi/initiatorname.iscsi
mkdir -p /etc/iscsi
ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
if [ -n "$DRACUT_SYSTEMD" ]; then
systemctl try-restart iscsid
# FIXME: iscsid is not yet ready, when the service is :-/
sleep 1
fi
fi
# If not given on the cmdline and initiator-name available via iBFT
if [ -z $iscsi_initiator ] && [ -f /sys/firmware/ibft/initiator/initiator-name ] && ! [ -f /tmp/iscsi_set_initiator ]; then
iscsi_initiator=$(while read line || [ -n "$line" ]; do echo $line;done < /sys/firmware/ibft/initiator/initiator-name)
if [ -n "$iscsi_initiator" ]; then
echo "InitiatorName=$iscsi_initiator" > /run/initiatorname.iscsi
rm -f /etc/iscsi/initiatorname.iscsi
mkdir -p /etc/iscsi
ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
> /tmp/iscsi_set_initiator
if [ -n "$DRACUT_SYSTEMD" ]; then
systemctl try-restart iscsid
# FIXME: iscsid is not yet ready, when the service is :-/
sleep 1
fi
fi
fi
if [ -z "$netroot" ] || ! [ "${netroot%%:*}" = "iscsi" ]; then
return 1
fi
initqueue --unique --onetime --timeout /sbin/iscsiroot timeout "$netroot" "$NEWROOT"
for nroot in $(getargs netroot); do
[ "${nroot%%:*}" = "iscsi" ] || continue
type parse_iscsi_root >/dev/null 2>&1 || . /lib/net-lib.sh
parse_iscsi_root "$nroot" || return 1
netroot_enc=$(str_replace "$nroot" '/' '\2f')
echo "${DRACUT_SYSTEMD+systemctl is-active initrd-root-device.target || }[ -f '/tmp/iscsistarted-$netroot_enc' ]" > $hookdir/initqueue/finished/iscsi_started.sh
done
# Done, all good!
rootok=1
# Shut up init error check
[ -z "$root" ] && root="iscsi"
module-setup.sh 0000755 00000022216 15151240150 0007523 0 ustar 00 #!/bin/bash
# called by dracut
check() {
local _rootdev
# If our prerequisites are not met, fail anyways.
require_binaries iscsi-iname iscsiadm iscsid || return 1
# If hostonly was requested, fail the check if we are not actually
# booting from root.
is_iscsi() {
local _dev=$1
[[ -L "/sys/dev/block/$_dev" ]] || return
cd "$(readlink -f "/sys/dev/block/$_dev")"
until [[ -d sys || -d iscsi_session ]]; do
cd ..
done
[[ -d iscsi_session ]]
}
[[ $hostonly ]] || [[ $mount_needs ]] && {
pushd . >/dev/null
for_each_host_dev_and_slaves is_iscsi || return 255
popd >/dev/null
}
return 0
}
get_ibft_mod() {
local ibft_mac=$1
local iface_mac iface_mod
# Return the iSCSI offload module for a given MAC address
for iface_desc in $(iscsiadm -m iface | cut -f 2 -d ' '); do
iface_mod=${iface_desc%%,*}
iface_mac=${iface_desc#*,}
iface_mac=${iface_mac%%,*}
if [ "$ibft_mac" = "$iface_mac" ] ; then
echo $iface_mod
return 0
fi
done
}
install_ibft() {
# When iBFT / iscsi_boot is detected:
# - Use 'ip=ibft' to set up iBFT network interface
# Note: bnx2i is using a different MAC address of iSCSI offloading
# so the 'ip=ibft' parameter must not be set
# - specify firmware booting cmdline parameter
for d in /sys/firmware/* ; do
if [ -d ${d}/ethernet0 ] ; then
read ibft_mac < ${d}/ethernet0/mac
ibft_mod=$(get_ibft_mod $ibft_mac)
fi
if [ -z "$ibft_mod" ] && [ -d ${d}/ethernet1 ] ; then
read ibft_mac < ${d}/ethernet1/mac
ibft_mod=$(get_ibft_mod $ibft_mac)
fi
if [ -d ${d}/initiator ] ; then
if [ ${d##*/} = "ibft" ] && [ "$ibft_mod" != "bnx2i" ] ; then
echo -n "rd.iscsi.ibft=1 "
fi
echo -n "rd.iscsi.firmware=1"
fi
done
}
install_iscsiroot() {
local devpath=$1
local scsi_path iscsi_lun session c d conn host flash
local iscsi_session iscsi_address iscsi_port iscsi_targetname iscsi_tpgt
local bootproto
scsi_path=${devpath%%/block*}
[ "$scsi_path" = "$devpath" ] && return 1
iscsi_lun=${scsi_path##*:}
[ "$iscsi_lun" = "$scsi_path" ] && return 1
session=${devpath%%/target*}
[ "$session" = "$devpath" ] && return 1
iscsi_session=${session##*/}
[ "$iscsi_session" = "$session" ] && return 1
host=${session%%/session*}
[ "$host" = "$session" ] && return 1
iscsi_host=${host##*/}
for flash in ${host}/flashnode_sess-* ; do
[ -f "$flash" ] || continue
[ ! -e "$flash/is_boot_target" ] && continue
is_boot=$(cat $flash/is_boot_target)
if [ $is_boot -eq 1 ] ; then
# qla4xxx flashnode session; skip iBFT discovery
iscsi_initiator=$(cat /sys/class/iscsi_host/${iscsi_host}/initiatorname)
echo "rd.iscsi.initiator=${iscsi_initiator}"
return;
fi
done
for d in ${session}/* ; do
case $d in
*connection*)
c=${d##*/}
conn=${d}/iscsi_connection/${c}
if [ -d ${conn} ] ; then
iscsi_address=$(cat ${conn}/persistent_address)
iscsi_port=$(cat ${conn}/persistent_port)
fi
;;
*session)
if [ -d ${d}/${iscsi_session} ] ; then
iscsi_initiator=$(cat ${d}/${iscsi_session}/initiatorname)
iscsi_targetname=$(cat ${d}/${iscsi_session}/targetname)
fi
;;
esac
done
[ -z "$iscsi_address" ] && return
local_address=$(ip -o route get to $iscsi_address | sed -n 's/.*src \([0-9a-f.:]*\).*/\1/p')
ifname=$(ip -o route get to $iscsi_address | sed -n 's/.*dev \([^ ]*\).*/\1/p')
# follow ifcfg settings for boot protocol
for _path in \
"/etc/sysconfig/network-scripts/ifcfg-$ifname" \
"/etc/sysconfig/network/ifcfg-$ifname" \
; do
[ -r "$_path" ] && bootproto=$(sed -n "s/BOOTPROTO='\?\([[:alpha:]]*6\?\)4\?/\1/p" "$_path")
done
if [ $bootproto ]; then
printf 'ip=%s:%s ' ${ifname} ${bootproto}
else
printf 'ip=%s:static ' ${ifname}
fi
if [ -e /sys/class/net/$ifname/address ] ; then
ifmac=$(cat /sys/class/net/$ifname/address)
printf 'ifname=%s:%s ' ${ifname} ${ifmac}
fi
if [ -n "$iscsi_address" -a -n "$iscsi_targetname" ] ; then
if [ -n "$iscsi_port" -a "$iscsi_port" -eq 3260 ] ; then
iscsi_port=
fi
if [ -n "$iscsi_lun" -a "$iscsi_lun" -eq 0 ] ; then
iscsi_lun=
fi
# In IPv6 case rd.iscsi.initatior= must pass address in [] brackets
case "$iscsi_address" in
*:*)
iscsi_address="[$iscsi_address]"
;;
esac
# Must be two separate lines, so that "sort | uniq" commands later
# can sort out rd.iscsi.initiator= duplicates
echo "rd.iscsi.initiator=${iscsi_initiator}"
echo "netroot=iscsi:${iscsi_address}::${iscsi_port}:${iscsi_lun}:${iscsi_targetname}"
echo "rd.neednet=1"
fi
return 0
}
install_softiscsi() {
[ -d /sys/firmware/ibft ] && return 0
is_softiscsi() {
local _dev=$1
local iscsi_dev
[[ -L "/sys/dev/block/$_dev" ]] || return
iscsi_dev=$(cd -P /sys/dev/block/$_dev; echo $PWD)
install_iscsiroot $iscsi_dev
}
for_each_host_dev_and_slaves_all is_softiscsi || return 255
return 0
}
# called by dracut
depends() {
echo network rootfs-block
}
# called by dracut
installkernel() {
local _arch=$(uname -m)
local _funcs='iscsi_register_transport'
instmods bnx2i qla4xxx cxgb3i cxgb4i be2iscsi qedi
hostonly="" instmods iscsi_tcp iscsi_ibft crc32c iscsi_boot_sysfs
if [ "$_arch" = "s390" -o "$_arch" = "s390x" ]; then
_s390drivers="=drivers/s390/scsi"
fi
dracut_instmods -o -s ${_funcs} =drivers/scsi ${_s390drivers:+"$_s390drivers"}
}
# called by dracut
cmdline() {
local _iscsiconf=$(install_ibft)
{
if [ "$_iscsiconf" ] ; then
echo ${_iscsiconf}
else
install_softiscsi
fi
} | sort | uniq
}
# called by dracut
install() {
inst_multiple -o iscsiuio
inst_libdir_file 'libgcc_s.so*'
inst_multiple umount iscsi-iname iscsiadm iscsid
inst_multiple -o \
$systemdsystemunitdir/iscsid.socket \
$systemdsystemunitdir/iscsid.service \
$systemdsystemunitdir/iscsiuio.service \
$systemdsystemunitdir/iscsiuio.socket \
$systemdsystemunitdir/sockets.target.wants/iscsid.socket \
$systemdsystemunitdir/sockets.target.wants/iscsiuio.socket
if [[ $hostonly ]]; then
inst_dir $(/usr/bin/find /etc/iscsi)
else
inst_simple /etc/iscsi/iscsid.conf
fi
# Detect iBFT and perform mandatory steps
if [[ $hostonly_cmdline == "yes" ]] ; then
local _iscsiconf=$(cmdline)
[[ $_iscsiconf ]] && printf "%s\n" "$_iscsiconf" >> "${initdir}/etc/cmdline.d/95iscsi.conf"
fi
inst_hook cmdline 90 "$moddir/parse-iscsiroot.sh"
inst_hook cleanup 90 "$moddir/cleanup-iscsi.sh"
inst "$moddir/iscsiroot.sh" "/sbin/iscsiroot"
if ! dracut_module_included "systemd"; then
inst "$moddir/mount-lun.sh" "/bin/mount-lun.sh"
else
inst_multiple -o \
$systemdsystemunitdir/iscsi.service \
$systemdsystemunitdir/iscsid.service \
$systemdsystemunitdir/iscsid.socket \
$systemdsystemunitdir/iscsiuio.service \
$systemdsystemunitdir/iscsiuio.socket \
iscsiadm iscsid
for i in \
iscsid.socket \
iscsiuio.socket \
; do
systemctl -q --root "$initdir" enable "$i"
done
for i in \
iscsid.service \
iscsiuio.service \
; do
systemctl -q --root "$initdir" add-wants basic.target "$i"
done
# Make sure iscsid is started after dracut-cmdline and ready for the initqueue
mkdir -p "${initdir}/$systemdsystemunitdir/iscsid.service.d"
(
echo "[Unit]"
echo "After=dracut-cmdline.service"
echo "Before=dracut-initqueue.service"
) > "${initdir}/$systemdsystemunitdir/iscsid.service.d/dracut.conf"
# The iscsi deamon does not need to wait for any storage inside initrd
mkdir -p "${initdir}/$systemdsystemunitdir/iscsid.socket.d"
(
echo "[Unit]"
echo "DefaultDependencies=no"
echo "Conflicts=shutdown.target"
echo "Before=shutdown.target sockets.target"
) > "${initdir}/$systemdsystemunitdir/iscsid.socket.d/dracut.conf"
mkdir -p "${initdir}/$systemdsystemunitdir/iscsiuio.socket.d"
(
echo "[Unit]"
echo "DefaultDependencies=no"
echo "Conflicts=shutdown.target"
echo "Before=shutdown.target sockets.target"
) > "${initdir}/$systemdsystemunitdir/iscsiuio.socket.d/dracut.conf"
fi
inst_dir /var/lib/iscsi
dracut_need_initqueue
}
cleanup-iscsi.sh 0000755 00000000130 15151240150 0007626 0 ustar 00 #!/bin/sh
[ -z "${DRACUT_SYSTEMD}" ] && [ -e /sys/module/bnx2i ] && killproc iscsiuio
iscsiroot.sh 0000755 00000024610 15151240150 0007116 0 ustar 00 #!/bin/sh
#
# This implementation is incomplete: Discovery mode is not implemented and
# the argument handling doesn't follow currently agreed formats. This is mainly
# because rfc4173 does not say anything about iscsi_initiator but open-iscsi's
# iscsistart needs this.
#
type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
type parse_iscsi_root >/dev/null 2>&1 || . /lib/net-lib.sh
type write_fs_tab >/dev/null 2>&1 || . /lib/fs-lib.sh
PATH=/usr/sbin:/usr/bin:/sbin:/bin
# Huh? Empty $1?
[ -z "$1" ] && exit 1
# Huh? Empty $2?
[ -z "$2" ] && exit 1
# Huh? Empty $3? This isn't really necessary, since NEWROOT isn't
# used here. But let's be consistent
[ -z "$3" ] && exit 1
# root is in the form root=iscsi:[<servername>]:[<protocol>]:[<port>]:[<LUN>]:<targetname>
netif="$1"
iroot="$2"
# If it's not iscsi we don't continue
[ "${iroot%%:*}" = "iscsi" ] || exit 1
iroot=${iroot#iscsi}
iroot=${iroot#:}
# XXX modprobe crc32c should go in the cmdline parser, but I haven't yet
# figured out a way how to check whether this is built-in or not
modprobe crc32c 2>/dev/null
if [ -z "${DRACUT_SYSTEMD}" ] && [ -e /sys/module/bnx2i ] && ! [ -e /tmp/iscsiuio-started ]; then
iscsiuio
> /tmp/iscsiuio-started
fi
handle_firmware()
{
local ifaces retry
# Depending on the 'ql4xdisablesysfsboot' qla4xxx
# will be autostarting sessions without presenting
# them via the firmware interface.
# In these cases 'iscsiadm -m fw' will fail, but
# the iSCSI sessions will still be present.
if ! iscsiadm -m fw; then
warn "iscsiadm: Could not get list of targets from firmware."
else
ifaces=$(set -- /sys/firmware/ibft/ethernet*; echo $#)
retry=$(cat /tmp/session-retry)
if [ $retry -lt $ifaces ]; then
retry=$((retry+1))
echo $retry > /tmp/session-retry
return 1
else
rm /tmp/session-retry
fi
if ! iscsiadm -m fw -l; then
warn "iscsiadm: Log-in to iscsi target failed"
else
need_shutdown
fi
fi
[ -d /sys/class/iscsi_session ] || return 1
echo 'started' > "/tmp/iscsistarted-iscsi:"
echo 'started' > "/tmp/iscsistarted-firmware"
return 0
}
handle_netroot()
{
local iscsi_initiator iscsi_target_name iscsi_target_ip iscsi_target_port
local iscsi_target_group iscsi_protocol iscsirw iscsi_lun
local iscsi_username iscsi_password
local iscsi_in_username iscsi_in_password
local iscsi_iface_name iscsi_netdev_name
local iscsi_param param
local p found
local login_retry_max_seen=
# override conf settings by command line options
arg=$(getarg rd.iscsi.initiator -d iscsi_initiator=)
[ -n "$arg" ] && iscsi_initiator=$arg
arg=$(getarg rd.iscsi.target.group -d iscsi_target_group=)
[ -n "$arg" ] && iscsi_target_group=$arg
arg=$(getarg rd.iscsi.username -d iscsi_username=)
[ -n "$arg" ] && iscsi_username=$arg
arg=$(getarg rd.iscsi.password -d iscsi_password)
[ -n "$arg" ] && iscsi_password=$arg
arg=$(getarg rd.iscsi.in.username -d iscsi_in_username=)
[ -n "$arg" ] && iscsi_in_username=$arg
arg=$(getarg rd.iscsi.in.password -d iscsi_in_password=)
[ -n "$arg" ] && iscsi_in_password=$arg
for p in $(getargs rd.iscsi.param -d iscsi_param); do
[ "${p%=*}" = node.session.initial_login_retry_max ] && \
login_retry_max_seen=yes
iscsi_param="$iscsi_param $p"
done
# this sets iscsi_target_name and possibly overwrites most
# parameters read from the command line above
parse_iscsi_root "$1" || return 1
# Bail out early, if there is no route to the destination
if is_ip "$iscsi_target_ip" && [ "$netif" != "timeout" ] && ! all_ifaces_setup && getargbool 1 rd.iscsi.testroute; then
ip route get "$iscsi_target_ip" >/dev/null 2>&1 || return 0
fi
#limit iscsistart login retries
if [ "$login_retry_max_seen" != yes ]; then
retries=$(getargnum 3 0 10000 rd.iscsi.login_retry_max)
if [ $retries -gt 0 ]; then
iscsi_param="${iscsi_param% } node.session.initial_login_retry_max=$retries"
fi
fi
# XXX is this needed?
getarg ro && iscsirw=ro
getarg rw && iscsirw=rw
fsopts=${fsopts:+$fsopts,}${iscsirw}
if [ -z "$iscsi_initiator" ] && [ -f /sys/firmware/ibft/initiator/initiator-name ] && ! [ -f /tmp/iscsi_set_initiator ]; then
iscsi_initiator=$(while read line || [ -n "$line" ]; do echo $line;done < /sys/firmware/ibft/initiator/initiator-name)
echo "InitiatorName=$iscsi_initiator" > /run/initiatorname.iscsi
rm -f /etc/iscsi/initiatorname.iscsi
mkdir -p /etc/iscsi
ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
> /tmp/iscsi_set_initiator
if [ -n "$DRACUT_SYSTEMD" ]; then
systemctl try-restart iscsid
# FIXME: iscsid is not yet ready, when the service is :-/
sleep 1
fi
fi
if [ -z "$iscsi_initiator" ]; then
[ -f /run/initiatorname.iscsi ] && . /run/initiatorname.iscsi
[ -f /etc/initiatorname.iscsi ] && . /etc/initiatorname.iscsi
[ -f /etc/iscsi/initiatorname.iscsi ] && . /etc/iscsi/initiatorname.iscsi
iscsi_initiator=$InitiatorName
fi
if [ -z "$iscsi_initiator" ]; then
iscsi_initiator=$(iscsi-iname)
echo "InitiatorName=$iscsi_initiator" > /run/initiatorname.iscsi
rm -f /etc/iscsi/initiatorname.iscsi
mkdir -p /etc/iscsi
ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
> /tmp/iscsi_set_initiator
if [ -n "$DRACUT_SYSTEMD" ]; then
systemctl try-restart iscsid
# FIXME: iscsid is not yet ready, when the service is :-/
sleep 1
fi
fi
if [ -z "$iscsi_target_port" ]; then
iscsi_target_port=3260
fi
if [ -z "$iscsi_target_group" ]; then
iscsi_target_group=1
fi
if [ -z "$iscsi_lun" ]; then
iscsi_lun=0
fi
echo "InitiatorName=$iscsi_initiator" > /run/initiatorname.iscsi
ln -fs /run/initiatorname.iscsi /dev/.initiatorname.iscsi
if ! [ -e /etc/iscsi/initiatorname.iscsi ]; then
mkdir -p /etc/iscsi
ln -fs /run/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi
if [ -n "$DRACUT_SYSTEMD" ]; then
systemctl try-restart iscsid
# FIXME: iscsid is not yet ready, when the service is :-/
sleep 1
fi
fi
if [ -z "$DRACUT_SYSTEMD" ]; then
iscsid
sleep 2
fi
# FIXME $iscsi_protocol??
if [ "$root" = "dhcp" ] || [ "$netroot" = "dhcp" ]; then
# if root is not specified try to mount the whole iSCSI LUN
printf 'SYMLINK=="disk/by-path/*-iscsi-*-%s", SYMLINK+="root"\n' "$iscsi_lun" >> /etc/udev/rules.d/99-iscsi-root.rules
udevadm control --reload
write_fs_tab /dev/root
wait_for_dev -n /dev/root
# install mount script
[ -z "$DRACUT_SYSTEMD" ] && \
echo "iscsi_lun=$iscsi_lun . /bin/mount-lun.sh " > $hookdir/mount/01-$$-iscsi.sh
fi
targets=$(iscsiadm -m discovery -t st -p $iscsi_target_ip:${iscsi_target_port:+$iscsi_target_port} | sed 's/^.*iqn/iqn/')
[ -z "$targets" ] && echo "Target discovery to $iscsi_target_ip:${iscsi_target_port:+$iscsi_target_port} failed with status $?" && return 1
found=
for target in $targets; do
if [ "$target" = "$iscsi_target_name" ]; then
if [ -n "$iscsi_iface_name" ]; then
iscsiadm -m iface -I $iscsi_iface_name --op=new
EXTRA=" ${iscsi_netdev_name:+--name=iface.net_ifacename --value=$iscsi_netdev_name} "
EXTRA="$EXTRA ${iscsi_initiator:+--name=iface.initiatorname --value=$iscsi_initiator} "
fi
[ -n "$iscsi_param" ] && for param in $iscsi_param; do EXTRA="$EXTRA --name=${param%=*} --value=${param#*=}"; done
CMD="iscsiadm -m node -T $target \
${iscsi_iface_name:+-I $iscsi_iface_name} \
-p $iscsi_target_ip${iscsi_target_port:+:$iscsi_target_port}"
__op="--op=update \
--name=node.startup --value=onboot \
${iscsi_username:+ --name=node.session.auth.username --value=$iscsi_username} \
${iscsi_password:+ --name=node.session.auth.password --value=$iscsi_password} \
${iscsi_in_username:+--name=node.session.auth.username_in --value=$iscsi_in_username} \
${iscsi_in_password:+--name=node.session.auth.password_in --value=$iscsi_in_password} \
$EXTRA \
$NULL"
$CMD $__op
if [ "$netif" != "timeout" ]; then
$CMD --login
fi
found=yes
break
fi
done
if [ "$netif" = "timeout" ]; then
iscsiadm -m node -L onboot || :
elif [ "$found" != yes ]; then
warn "iSCSI target \"$iscsi_target_name\" not found on portal $iscsi_target_ip:$iscsi_target_port"
return 1
fi
> $hookdir/initqueue/work
netroot_enc=$(str_replace "$1" '/' '\2f')
echo 'started' > "/tmp/iscsistarted-iscsi:${netroot_enc}"
return 0
}
ret=0
if [ "$netif" != "timeout" ] && getargbool 0 rd.iscsi.waitnet; then
all_ifaces_setup || exit 0
fi
if [ "$netif" = "timeout" ] && all_ifaces_setup; then
# s.th. went wrong and the timeout script hits
# restart
systemctl restart iscsid
# damn iscsid is not ready after unit says it's ready
sleep 2
fi
if getargbool 0 rd.iscsi.firmware -d -y iscsi_firmware ; then
if [ "$netif" = "timeout" ] || [ "$netif" = "online" ] || [ "$netif" = "dummy" ]; then
[ -f /tmp/session-retry ] || echo 1 > /tmp/session-retry
handle_firmware
ret=$?
fi
fi
if ! [ "$netif" = "online" ]; then
# loop over all netroot parameter
if nroot=$(getarg netroot) && [ "$nroot" != "dhcp" ]; then
for nroot in $(getargs netroot); do
[ "${nroot%%:*}" = "iscsi" ] || continue
nroot="${nroot##iscsi:}"
if [ -n "$nroot" ]; then
handle_netroot "$nroot"
ret=$(($ret + $?))
fi
done
else
if [ -n "$iroot" ]; then
handle_netroot "$iroot"
ret=$?
fi
fi
fi
need_shutdown
# now we have a root filesystem somewhere in /dev/sd*
# let the normal block handler handle root=
exit $ret
mount-lun.sh 0000755 00000000514 15151240151 0007034 0 ustar 00 #!/bin/sh
if [ -z $iscsi_lun ]; then
iscsi_lun=0
fi
NEWROOT=${NEWROOT:-"/sysroot"}
for disk in /dev/disk/by-path/*-iscsi-*-$iscsi_lun; do
if mount -t ${fstype:-auto} -o "$rflags" $disk $NEWROOT; then
if [ ! -d $NEWROOT/proc ]; then
umount $disk
continue
fi
break
fi
done
