Adding preparations for booting through syslinux memdisk.

[live-boot-grml.git] / scripts / live

diff --git a/scripts/live b/scripts/live
index 7ee3e7f..5b5a3b9 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -51,14 +51,11 @@ Arguments ()
                case "${ARGUMENT}" in
                        skipconfig)
                                NOACCESSIBILITY="Yes"
-                               NOAUTOLOGIN="Yes"
-                               NOCONSOLEKEYBOARD="Yes"
                                NOFASTBOOT="Yes"
                                NOFSTAB="Yes"
                                NONETWORKING="Yes"
-                               NOXAUTOCONFIG="Yes"
 
-                               export NOACCESSIBILITY NOAUTOLOGIN NOCONSOLEKEYBOARD NOFASTBOOT NOFSTAB NONETWORKING NOXAUTOCONFIG
+                               export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
                                ;;
 
                        access=*)
@@ -122,6 +119,19 @@ Arguments ()
                        httpfs=*)
                                HTTPFS="${ARGUMENT#httpfs=}"
                                export HTTPFS
+                                ;;
+
+                       iscsi=*)
+                               ISCSI="${ARGUMENT#iscsi=}"
+                               #ip:port - separated by ;
+                               ISCSI_PORTAL="${ISCSI%;*}"
+                               if echo "${ISCSI_PORTAL}" | grep -q , ; then
+                                       ISCSI_SERVER="${ISCSI_PORTAL%,*}"
+                                       ISCSI_PORT="${ISCSI_PORTAL#*,}"
+                               fi
+                               #target name
+                               ISCSI_TARGET="${ISCSI#*;}"
+                               export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
                                ;;
 
                        isofrom=*|fromiso=*)
@@ -205,11 +215,6 @@ Arguments ()
                                export NOACCESSIBILITY
                                ;;
 
-                       noautologin)
-                               NOAUTOLOGIN="Yes"
-                               export NOAUTOLOGIN
-                               ;;
-
                        nofastboot)
                                NOFASTBOOT="Yes"
                                export NOFASTBOOT
@@ -230,11 +235,6 @@ Arguments ()
                                export SWAPON
                                ;;
 
-                       noxautoconfig)
-                               NOXAUTOCONFIG="Yes"
-                               export NOXAUTOCONFIG
-                               ;;
-
                        persistent)
                                PERSISTENT="Yes"
                                export PERSISTENT
@@ -338,21 +338,6 @@ Arguments ()
                                UNIONTYPE="${ARGUMENT#union=}"
                                export UNIONTYPE
                                ;;
-
-                       xdebconf)
-                               XDEBCONF="Yes"
-                               export XDEBCONF
-                               ;;
-
-                       xdriver=*)
-                               XDRIVER="${ARGUMENT#xdriver=}"
-                               export XDRIVER
-                               ;;
-
-                       xvideomode=*)
-                               XVIDEOMODE="${ARGUMENT#xvideomode=}"
-                               export XVIDEOMODE
-                               ;;
                esac
        done
 
@@ -589,7 +574,7 @@ copy_live_to ()
        return 0
 }
 
-do_netmount ()
+do_netsetup ()
 {
        modprobe -q af_packet # For DHCP
 
@@ -653,6 +638,11 @@ do_netmount ()
        [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
        export HOSTNAME
 
+       if [ -n "${DEVICE}" ]
+       then
+               HWADDR="$(cat /sys/class/net/${DEVICE}/address)"
+       fi
+
        # Check if we have a network device at all
        if ! ls /sys/class/net/"$DEVICE" > /dev/null 2>&1 && \
           ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
@@ -662,6 +652,11 @@ do_netmount ()
        then
                panic "No supported network device found, maybe a non-mainline driver is required."
        fi
+}
+
+do_netmount()
+{
+       do_netsetup
 
        if [ "${NFSROOT}" = "auto" ]
        then
@@ -697,6 +692,54 @@ do_netmount ()
        return ${rc}
 }
 
+do_iscsi()
+{
+       do_netsetup
+       #modprobe ib_iser
+       modprobe iscsi_tcp
+       local debugopt=""
+       [ "${DEBUG}" == "Yes" ] && debugopt="-d 8"
+       #FIXME this name is supposed to be unique - some date + ifconfig hash?
+       ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(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 [ $? != 0 ]
+       then
+               panic "Failed to log into iscsi target"
+       fi
+       local host="$(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 "${host}" ]
+       then
+               local devices=""
+               local i=0
+               while [ -z "${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: $devices)."
+       else
+               panic "Failed to locate iSCSI host in /sys"
+       fi
+}
+
 do_httpmount ()
 {
        rc=1
@@ -1653,11 +1696,28 @@ mountroot ()
                        panic "Unable to find a live file system on the network"
                fi
        else
-               if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+               if [ -n "${ISCSI_PORTAL}" ]
+               then
+                       do_iscsi && livefs_root="${mountpoint}"
+               elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
                then
                        # Do a local boot from hd
                        livefs_root=${ROOT}
                else
+                       if [ -x /usr/bin/memdiskfind ]
+                       then
+                               MEMDISK=$(/usr/bin/memdiskfind)
+
+                               if [ $? -eq 0 ]
+                               then
+                                       # We found a memdisk, set up phram
+                                       modprobe phram phram=memdisk,${MEMDISK}
+
+                                       # Load mtdblock, the memdisk will be /dev/mtdblock0
+                                       modprobe mtdblock
+                               fi
+                       fi
+
                        # Scan local devices for the image
                        i=0
                        while [ "$i" -lt 60 ]