open-iscsi: add package open-iscsi

iscsi initiator utilities

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

net/open-iscsi/files/iscsi-gen-initiatorname

@@ -0,0 +1,75 @@
+#!/bin/sh
+#
+# /sbin/iscsi-gen-initiatorname
+#
+# Generate a default iSCSI Initiatorname for SUSE installations.
+#
+# Copyright (c) 2011 Hannes Reinecke, SUSE Labs
+# This script is licensed under the GPL.
+#
+
+if [ "$1" ] ; then
+    if [ "$1" = "-f" ] ; then
+	FORCE=1
+    else
+	echo "Invalid option $1"
+	echo "Usage: $0 [-f]"
+	exit 1
+    fi
+fi
+
+if [ -d /sys/firmware/ibft/initiator ] ; then
+    read iSCSI_INITIATOR_NAME < /sys/firmware/ibft/initiator/initiator-name
+fi
+
+if [ -f /etc/iscsi/initiatorname.iscsi -a -z "$FORCE" ] ; then
+    if [ "$iSCSI_INITIATOR_NAME" ] ; then
+	eval $(cat /etc/iscsi/initiatorname.iscsi | sed -e '/^#/d')
+	if [ "$iSCSI_INITIATOR_NAME" != "$InitiatorName" ] ; then
+	    echo "iSCSI Initiatorname from iBFT is different from the current setting."
+	    echo "Please call '/sbin/iscsi-gen-initiatorname -f' to update the iSCSI Initiatorname."
+	    exit 1
+	fi
+    fi
+fi
+
+if [ "$iSCSI_INITIATOR_NAME" ] ; then
+    cat << EOF >> /etc/iscsi/initiatorname.iscsi
+##
+## /etc/iscsi/iscsi.initiatorname
+##
+## iSCSI Initiatorname taken from iBFT BIOS tables.
+##
+## DO NOT EDIT OR REMOVE THIS FILE! 
+## If you remove this file, the iSCSI daemon will not start.
+## Any change here will not be reflected to the iBFT BIOS tables.
+## If a different initiatorname is required please change the 
+## initiatorname in the BIOS setup and call
+## /sbin/iscsi-gen-initiatorname -f
+## to recreate an updated version of this file.
+##
+InitiatorName=$iSCSI_INITIATOR_NAME
+EOF
+fi
+
+if [ ! -f /etc/iscsi/initiatorname.iscsi ] ; then
+    cat << EOF >> /etc/iscsi/initiatorname.iscsi
+##
+## /etc/iscsi/iscsi.initiatorname
+##
+## Default iSCSI Initiatorname.
+##
+## DO NOT EDIT OR REMOVE THIS FILE! 
+## If you remove this file, the iSCSI daemon will not start.
+## If you change the InitiatorName, existing access control lists
+## may reject this initiator.  The InitiatorName must be unique
+## for each iSCSI initiator.  Do NOT duplicate iSCSI InitiatorNames.
+EOF
+	YEAR=$(date +"%Y")
+	MONTH=$(date +"%m")
+	ISSUEDATE="$YEAR$MONTH"
+	INAME=$(iscsi-iname -p iqn.$ISSUEDATE.local.openwrt:01)
+	printf "InitiatorName=$INAME\n"  >>/etc/iscsi/initiatorname.iscsi
+	chmod 0600 /etc/iscsi/initiatorname.iscsi
+fi
+