101 lines
2.6 KiB
Bash
Executable File
101 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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IQN=$1
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HOST=$2
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if [ -z "${IQN}" ]; then
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echo "usage: $0 TargetIQN [Host]"
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echo ""
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exit
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fi
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if [ ! -z "${HOST}" ]; then
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iscsiadm -m discovery -t sendtargets -o update -p ${HOST} &> /dev/null
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iscsiadm -m node -T ${IQN} -p ${HOST} -l &> /dev/null
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RETURNCODE=$?
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else
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iscsiadm -m node -T ${IQN} -l &> /dev/null
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RETURNCODE=$?
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fi
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sleep 0.5
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MULTIPATH=0
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IQNTESTLIST=$(grep -h ${IQN} /sys/class/iscsi_session/*/targetname)
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for IQNTEST in ${IQNTESTLIST}; do
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if [ "${IQNTEST}" != "${IQN}" ]; then
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echo "IQN login failed"
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echo ""
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exit
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fi
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MULTIPATH=$((MULTIPATH + 1))
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done
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SESSIONFOLDERLIST=$(grep -l ${IQN} /sys/class/iscsi_session/*/targetname | xargs realpath)
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declare -A ADDRESSES
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declare -A BLOCKDEVICES
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for SESSIONFOLDER in ${SESSIONFOLDERLIST}; do
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SESSION=$(echo "${SESSIONFOLDER}" | sed 's/.*session\([0-9]*\).*/\1/g')
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HOST=$(echo "${SESSIONFOLDER}" | sed 's/.*host\([0-9]*\).*/\1/g')
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SCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed 's/\(.*\)\/iscsi_session.*/\1/g' | xargs ls -1 | grep "target${HOST}" | sed 's/target//g')
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MAJOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 2)
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MINOR=$(echo "${SCSIADDRESS}" | cut -d ":" -f 3)
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FULLSCSIADDRESS=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}/g" | xargs ls -1 | grep ":")
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LUN=$(echo "${FULLSCSIADDRESS}" | cut -d ":" -f 4)
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ADDRESS="[${SESSION}]:scsi$HOST:${MAJOR}:${MINOR}:${LUN}"
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ADDRESSES+="${ADDRESS} "
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BLOCKDEVICE=$(echo "${SESSIONFOLDER}" | sed "s/\(.*\)\/iscsi_session.*/\1\/target${SCSIADDRESS}\/${FULLSCSIADDRESS}\/block/g" | xargs ls -1 | xargs printf "/dev/%s")
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BLOCKDEVICES+="${BLOCKDEVICE} "
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done
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multipath -r
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MULTIPATHDEVICE=$(multipath -l ${BLOCKDEVICES[0]} | grep 'mpath' | sed -e 's/^\([a-z]*\) .*/\1/g')
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if [ ! -z "${MULTIPATHDEVICE}" ]; then
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BLOCKDEVICE="/dev/mapper/${MULTIPATHDEVICE}"
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fi
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MOUNTPOINT="/mnt/iSCSI_${IQN}"
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mkdir -p ${MOUNTPOINT}
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FILESYSTEM=$(blkid ${BLOCKDEVICE})
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if [ -z "${FILESYSTEM}" ]; then
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echo "No Filesystem found, initialize using following command:"
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echo "mkfs.ext4 ${BLOCKDEVICE}"
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echo ""
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echo "And mount afterwards using:"
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echo "mount ${BLOCKDEVICE} ${MOUNTPOINT}"
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else
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mount -o discard ${BLOCKDEVICE} ${MOUNTPOINT}
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RETURNCODE=$?
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if [ "${RETURNCODE}" != "0" ]; then
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echo "IQN: ${IQN}"
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for ADDRESS in ${ADDRESSES}; do
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echo "Address: ${ADDRESS}"
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done
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echo "Device: ${BLOCKDEVICE}"
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echo "Mountpoint: ${MOUNTPOINT}"
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echo "Mounting failed"
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else
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echo "IQN: ${IQN}"
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for ADDRESS in ${ADDRESSES}; do
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echo "Address: ${ADDRESS}"
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done
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echo "Device: ${BLOCKDEVICE}"
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echo "Mountpoint: ${MOUNTPOINT}"
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echo "Mounting succeeded"
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fi
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fi
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echo ""
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