1 files changed, 54 insertions, 0 deletions
diff --git a/system-boot/components/9990-mount-iscsi.sh b/system-boot/components/9990-mount-iscsi.sh
new file mode 100755
index 0000000..c9bab90
--- /dev/null
+++ b/system-boot/components/9990-mount-iscsi.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+#set -e
+
+do_iscsi()
+{
+	do_netsetup
+	#modprobe ib_iser
+	modprobe iscsi_tcp
+	local debugopt
+	debugopt=""
+	[ "${LIVE_BOOT_DEBUG}" = "true" ] && debugopt="-d 8"
+	#FIXME this name is supposed to be unique - some date + ifconfig hash?
+	ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
+	export ISCSI_INITIATORNAME
+	if [ -n "${ISCSI_SERVER}" ] ; then
+		iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
+	else
+		iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
+	fi
+	if [ $? != 0 ]
+	then
+		panic "Failed to log into iscsi target"
+	fi
+	local host
+	host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
+		      /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
+	if [ -n "${host}" ]
+	then
+		local devices i
+		devices=""
+		i=0
+		while [ -z "${devices}" -a $i -lt 60 ]
+		do
+			sleep 1
+			devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
+					 /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
+			i=$(expr $i + 1)
+			echo -ne $i\\r
+		done
+		for dev in $devices
+		do
+			if check_dev "null" "/dev/$dev"
+			then
+				NETBOOT="iscsi"
+				export NETBOOT
+				return 0;
+			fi
+		done
+		panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
+	else
+		panic "Failed to locate iSCSI host in /sys"
+	fi
+}