scripts/boot/mount-iscsi.sh

   1 #!/bin/sh
   2
   3 do_iscsi()
   4 {
   5         do_netsetup
   6         #modprobe ib_iser
   7         modprobe iscsi_tcp
   8         local debugopt=""
   9         [ "${DEBUG}" = "Yes" ] && debugopt="-d 8"
  10         #FIXME this name is supposed to be unique - some date + ifconfig hash?
  11         ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
  12         export ISCSI_INITIATORNAME
  13         if [ -n "${ISCSI_SERVER}" ] ; then
  14                 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
  15         else
  16                 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
  17         fi
  18         if [ $? != 0 ]
  19         then
  20                 panic "Failed to log into iscsi target"
  21         fi
  22         local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
  23                             /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
  24         if [ -n "${host}" ]
  25         then
  26                 local devices=""
  27                 local i=0
  28                 while [ -z "${devices}" -a $i -lt 60 ]
  29                 do
  30                         sleep 1
  31                         devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
  32                                          /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
  33                         i=$(expr $i + 1)
  34                         echo -ne $i\\r
  35                 done
  36                 for dev in $devices
  37                 do
  38                         if check_dev "null" "/dev/$dev"
  39                         then
  40                                 NETBOOT="iscsi"
  41                                 export NETBOOT
  42                                 return 0;
  43                         fi
  44                 done
  45                 panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
  46         else
  47                 panic "Failed to locate iSCSI host in /sys"
  48         fi
  49 }