iwm-overlay/sys-block/open-iscsi/files/iscsid-init.d

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#!/sbin/runscript
# Copyright 1999-2005 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /var/cvsroot/gentoo-x86/sys-block/open-iscsi/files/iscsid-init.d,v 1.4 2006/03/07 08:26:46 robbat2 Exp $
PID_FILE=/var/run/iscsid.pid
CONFIG_FILE=/etc/iscsi/iscsid.conf
DUMP_DIR=/etc/iscsi
DUMP_NODE="${DUMP_DIR}/node.dump"
DUMP_DISCOVERY="${DUMP_DIR}/discovery.dump"
INITIATORNAME=/etc/iscsi/initiatorname.iscsi
DAEMON=/usr/sbin/iscsid
ADM=/usr/sbin/iscsiadm
NAME="iSCSI initiator service"
UDEVINFO=/usr/bin/udevinfo
depend() {
after modules
use net
}
checkconfig() {
if [ ! -f $CONFIG_FILE ]; then
eerror "Config file $CONFIG_FILE does not exist!"
return 1
fi
if [ ! -f $INITIATORNAME -o -z "$(egrep '^InitiatorName=' "${INITIATORNAME}")" ]; then
eerror "$INITIATORNAME should contain a string with your initiatior name, eg:"
eerror "InitiatorName=iqn.2005-09.tld.domainname.hostname:initiator-name"
eerror "Initiator name file does not exist!"
return 1
fi
}
do_modules() {
msg="$1"
shift
modules="$1"
shift
opts="$@"
for m in ${modules}; do
ebegin "${msg} - ${m}"
modprobe ${opts} $m
ret=$?
eend $ret
[ $ret -ne 0 ] && return $ret
done
return 0
}
start() {
checkconfig || return 1
if [ -n "${LOAD_MODULES}" ] ; then
do_modules 'Loading iSCSI modules' "${LOAD_MODULES}"
fi
ret=$?
[ $ret -ne 0 ] && return 1
ebegin "Starting ${NAME}"
start-stop-daemon --start --exec $DAEMON --quiet -- -i $INITIATORNAME
ret=$?
eend $ret
ebegin "Logging in to all automatic nodes"
${ADM} -m node -L automatic
ret=$?
eend $ret
sleep 5
ebegin "Mounting all disks with entries in /etc/fstab"
PARTITIONS=""
DISKS="`iscsiadm -m session -i | grep '^Attached scsi disk ' | awk '{ print $4; }'`"
for DISK in "${DISKS}" ; do
PARTITIONS="`find /dev -name \"${DISK}[0-9]*\" | grep -v '\.udev/'` ${PARTITIONS}"
done
for PARTITION in "${PARTITIONS}" ; do
PART_LABEL="`${UDEVINFO} -q env -n ${PARTITION} | grep '^ID_FS_LABEL=' | awk -F '=' '{ print $2; }'`"
IN_FSTAB="`grep ${PART_LABEL} /etc/fstab`"
if [ "x${IN_FSTAB}" != "x" ] ; then
mount -s /dev/disk/by-label/${PART_LABEL}
fi
done
ret=$?
eend $ret
return $ret
}
stop() {
ebegin "Unmounting all disks with entries in /etc/mtab"
ISCSI_MOUNTS="`grep _netdev /etc/mtab | awk '{ print $1; }'`"
for ISCSI_MOUNT in "${ISCSI_MOUNTS}" ; do
umount ${ISCSI_MOUNT}
done
ret=$?
eend $ret
ebegin "Logging out of all nodes"
${ADM} -m node -U all
ret=$?
eend $ret
ebegin "Stopping ${NAME}"
start-stop-daemon --signal HUP --stop --quiet --exec $DAEMON #--pidfile $PID_FILE
eend $?
# ugly, but pid file is not removed by iscsid
rm -f $PID_FILE
do_modules 'Removing iSCSI modules' 'iscsi_tcp scsi_transport_iscsi' '-r'
ret=$?
return $ret
}
opts="${opts} dump"
dump() {
einfo "Starting dump of iscsid database (nodes)"
NODELIST="$(iscsiadm -m node | awk -F '[\\[\\]]' '{print $2}')"
[ -f ${DUMP_NODE} ] && mv -f ${DUMP_NODE} ${DUMP_NODE}.old
for i in $NODELIST ; do
echo "# $(iscsiadm -m node | egrep "^\[$i\]")" >>${DUMP_NODE}
iscsiadm -m node --record=$i >>${DUMP_NODE}
echo >>${DUMP_NODE}
done
einfo "Starting dump of iscsid database (discovery)"
DISCOVERYLIST="$(iscsiadm -m discovery | awk -F '[\\[\\]]' '{print $2}')"
[ -f ${DUMP_DISCOVERY} ] && mv -f ${DUMP_DISCOVERY} ${DUMP_DISCOVERY}.old
for i in $DISCOVERYLIST ; do
echo "# $(iscsiadm -m discovery | egrep "^\[$i\]")" >>${DUMP_DISCOVERY}
iscsiadm -m discovery --record=$i >>${DUMP_DISCOVERY}
echo >>${DUMP_DISCOVERY}
done
einfo "Config dumped to ${DUMP_DIR}/"
}