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esac parse_root_param () { target="$1" auth="$2" OLDIFS="$IFS" IFS=":" set -- $target IFS="$OLDIFS" tmp_ISCSI_TARGET_IP="$1" if [ -n "$2" ] ; then if [ x"$2" != x"6" ] ; then echo "Warning: unsupported protocol specified for iSCSI root parameter, assuming 6 (TCP)" >&2 fi fi tmp_ISCSI_TARGET_PORT="$3" tmp_ISCSI_ROOT_LUN="$4" tmp_ISCSI_TARGET_NAME="$5" shift 5 while [ -n "$1" ] ; do tmp_ISCSI_TARGET_NAME="${tmp_ISCSI_TARGET_NAME}:$1" shift done if [ -z "$tmp_ISCSI_TARGET_IP" ] || [ -z "$tmp_ISCSI_TARGET_NAME" ] ; then echo "Warning: empty iSCSI IP / target name currently not supported for root=iscsi:, ignoring parameter" >&2 return fi OLDIFS="$IFS" IFS=":" set -- $auth IFS="$OLDIFS" tmp_ISCSI_USERNAME="" tmp_ISCSI_PASSWORD="" tmp_ISCSI_IN_USERNAME="" tmp_ISCSI_IN_PASSWORD="" if [ $# -gt 4 ] ; then echo "Warning: invalid authentication for root=iscsi:, ignoring" >&2 return fi if [ $# -gt 0 ] ; then tmp_ISCSI_USERNAME="$1" tmp_ISCSI_PASSWORD="$2" if [ $# -gt 2 ] ; then tmp_ISCSI_IN_USERNAME="$3" tmp_ISCSI_IN_PASSWORD="$4" fi fi ISCSI_TARGET_IP="$tmp_ISCSI_TARGET_IP" ISCSI_TARGET_PORT="$tmp_ISCSI_TARGET_PORT" ISCSI_TARGET_NAME="$tmp_ISCSI_TARGET_NAME" ISCSI_ROOT_LUN="$tmp_ISCSI_ROOT_LUN" if [ -n "$tmp_ISCSI_USERNAME" ] ; then ISCSI_USERNAME="$tmp_ISCSI_USERNAME" ISCSI_PASSWORD="$tmp_ISCSI_PASSWORD" fi if [ -n "$tmp_ISCSI_IN_USERNAME" ] ; then ISCSI_IN_USERNAME="$tmp_ISCSI_IN_USERNAME" ISCSI_IN_PASSWORD="$tmp_ISCSI_IN_PASSWORD" fi ISCSI_HAD_ROOT=yes } do_iscsi_login () { # Bring in the main config . /conf/initramfs.conf for conf in conf/conf.d/*; do [ -f ${conf} ] && . ${conf} done . /scripts/functions udevadm settle IBFT_DHCP_DEVICE="" if [ -n "$ISCSI_AUTO" ] ; then # try to auto-configure network interface based # on firmware values modprobe iscsi_ibft iscsistart -N # write out /run/net-$IFACE.conf based on what # was in the firmware iscsistart -f | while read k eq v; do case "${k} ${eq} ${v}" in ("# BEGIN RECORD"*) DEVICE="" PROTO="none" IPV4ADDR="" IPV4NETMASK="" IPV4GATEWAY="" IPV4DNS0="" IPV4DNS1="" UPTIME="0" DHCPLEASETIME="0" DOMAINSEARCH="" continue ;; ("# END RECORD"*) if [ -n "$DEVICE" ] ; then { echo "DEVICE='${DEVICE}'" echo "PROTO='${PROTO}'" echo "IPV4ADDR='${IPV4ADDR}'" echo "IPV4BROADCAST=''" echo "IPV4NETMASK='${IPV4NETMASK}'" echo "IPV4GATEWAY='${IPV4GATEWAY}'" echo "IPV4DNS0='${IPV4DNS0}'" echo "IPV4DNS1='${IPV4DNS1}'" echo "HOSTNAME=''" echo "DNSDOMAIN=''" echo "NISDOMAIN=''" echo "ROOTSERVER=''" echo "ROOTPATH=''" echo "UPTIME='${UPTIME}'" echo "DHCPLEASETIME='${DHCPLEASETIME}'" echo "DOMAINSEARCH=''" } > "/run/net-${DEVICE}.conf.ibft" if [ "$PROTO" != "dhcp" -a "$DHCPLEASETIME" = "0" ]; then # this is static ibft configuration. mv "/run/net-${DEVICE}.conf.ibft" "/run/net-${DEVICE}.conf" else IBFT_DHCP_DEVICE="$DEVICE" fi echo "${DEVICE}" > /run/initramfs/open-iscsi.interface # iscsistart -N doesn't set the default gateway. Therefore, # we need to add it ourselves. However, the ip command is # only available if we use busybox in the initramfs (it's # in open-iscsi's Recommends), so check for that. if [ -n "${IPV4GATEWAY}" ] && which ip >/dev/null 2>&1 ; then ip route add default via "${IPV4GATEWAY}" fi fi continue ;; esac if [ "${eq}" != "=" ] ; then continue fi case "${k}" in iface.ipaddress) IPV4ADDR="${v}" ;; iface.subnet_mask) IPV4NETMASK="${v}" ;; iface.gateway) IPV4GATEWAY="${v}" ;; iface.primary_dns) IPV4DNS0="${v}" ;; iface.secondary_dns) IPV4DNS1="${v}" ;; iface.net_ifacename) DEVICE="${v}" ;; iface.bootproto) case "${v}" in DHCP) PROTO="dhcp" ;; STATIC) PROTO="static" ;; *) PROTO="${v}" ;; esac ;; esac done fi # run configure_networking even if we have iscsi_auto, because there # could be other network interfaces that need to be configured # also, if we set up DHCP iBFT, we need ipconfig to run so it creates # a proper /run/net-${DEVICE}.conf file that includes the DNS search # domain, which we don't get in our iBFT data (see LP: #1806777) configure_networking if [ -n "$IBFT_DHCP_DEVICE" ]; then if ! [ -e "/run/net-${DEVICE}.conf" ] ; then echo "WARN: ipconfig dhcp failed, using iSCSI iBFT config - DNS search domain may be missing at runtime" >&2 # We have DHCP iBFT, but ipconfig DHCP failed; # so we should fallback to just using the iBFT config, # though that will not include the DNS search domain mv "/run/net-${DEVICE}.conf.ibft" "/run/net-${DEVICE}.conf" # need to re-run configure_networking to process conf file configure_networking fi fi # Save network device we configured via configure_networking, but only # if we didn't already get one from autoconfiguration (then we always # prefer that). if ! [ -e /run/initramfs/open-iscsi.interface ] ; then if [ -z "${DEVICE}" ] || ! [ -e "/run/net-${DEVICE}.conf" ] ; then for i in /run/net-*.conf ; do [ -e "${i}" ] && { . "${i}" ; break ; } done fi if [ -n "${DEVICE}" ] ; then echo "${DEVICE}" > /run/initramfs/open-iscsi.interface else for i in /run/net6-*.conf; do [ -e "${i}" ] && { . "${i}" ; break ; } done fi if [ -z "${DEVICE}" ] && [ -n "${DEVICE6}" ] ; then echo "${DEVICE6}" > /run/initramfs/open-iscsi.interface fi fi modprobe iscsi_tcp modprobe crc32c # If iscsiuio is present in the initramfs, start it, in case UIO # offloading is required. if [ -x /sbin/iscsiuio ] ; then start-stop-daemon --start --quiet --pidfile /run/initramfs/iscsiuio.pid \ --startas /sbin/iscsiuio --name iscsiuio \ --exec /sbin/iscsiuio -- --pid=/run/initramfs/iscsiuio.pid || : fi if [ -z $ISCSI_AUTO ]; then if [ -z $ISCSI_INITIATOR ]; then . /etc/initiatorname.iscsi ISCSI_INITIATOR=$InitiatorName fi if [ -z $ISCSI_TARGET_PORT ]; then ISCSI_TARGET_PORT=3260 fi if [ -z $ISCSI_TARGET_GROUP ]; then ISCSI_TARGET_GROUP=1 fi iscsistart -i $ISCSI_INITIATOR -t $ISCSI_TARGET_NAME \ -g $ISCSI_TARGET_GROUP -a $ISCSI_TARGET_IP \ -p $ISCSI_TARGET_PORT \ ${ISCSI_USERNAME:+-u "$ISCSI_USERNAME"} \ ${ISCSI_PASSWORD:+-w "$ISCSI_PASSWORD"} \ ${ISCSI_IN_USERNAME:+-U "$ISCSI_IN_USERNAME"}\ ${ISCSI_IN_PASSWORD:+-W "$ISCSI_IN_PASSWORD"} else modprobe iscsi_ibft iscsistart -b fi if [ -z $ISCSI_TARGET_PORT ]; then ISCSI_TARGET_PORT=3260 fi if [ -z $ISCSI_TARGET_GROUP ]; then ISCSI_TARGET_GROUP=1 fi for i in $ISCSI_TARGET_IP; do iscsistart -i $ISCSI_INITIATOR -t $ISCSI_TARGET_NAME \ -g $ISCSI_TARGET_GROUP -a $i \ -p $ISCSI_TARGET_PORT \ ${ISCSI_USERNAME:+-u "$ISCSI_USERNAME"} \ ${ISCSI_PASSWORD:+-w "$ISCSI_PASSWORD"} \ ${ISCSI_IN_USERNAME:+-U "$ISCSI_IN_USERNAME"}\ ${ISCSI_IN_PASSWORD:+-W "$ISCSI_IN_PASSWORD"} done } parse_iscsi_ops () { [ -r /etc/iscsi.initramfs ] && . /etc/iscsi.initramfs for x in $(cat /proc/cmdline); do case ${x} in iscsi_auto) ISCSI_AUTO=true ;; iscsi_initiator=*) ISCSI_INITIATOR="${x#iscsi_initiator=}" ;; iscsi_target_name=*) ISCSI_TARGET_NAME="${x#iscsi_target_name=}" ;; iscsi_target_ip=*) ISCSI_TARGET_IP="${x#iscsi_target_ip=}" ;; iscsi_target_port=*) ISCSI_TARGET_PORT="${x#iscsi_target_port=}" ;; iscsi_target_group=*) ISCSI_TARGET_GROUP="${x#iscsi_target_group=}" ;; iscsi_username=*) ISCSI_USERNAME="${x#iscsi_username=}" ;; iscsi_password=*) ISCSI_PASSWORD="${x#iscsi_password=}" ;; iscsi_in_username=*) ISCSI_IN_USERNAME="${x#iscsi_in_username=}" ;; iscsi_in_password=*) ISCSI_IN_PASSWORD="${x#iscsi_in_password=}" ;; root=iscsi:*@*) x="${x##root=iscsi:}" parse_root_param "${x#*@}" "${x%%@*}" ;; root=iscsi:*) parse_root_param "${x##root=iscsi:}" "" ;; esac done } if [ ! -x /sbin/iscsistart ]; then exit 0 fi parse_iscsi_ops if ( [ -z $ISCSI_TARGET_NAME ] || [ -z $ISCSI_TARGET_IP ] ) && [ -z $ISCSI_AUTO ]; then exit 0 fi do_iscsi_login udevadm settle # The second check is to allow us to use multiple root= parameters. That way # one may specify root=iscsi:... root=UUID=... to mount partitions on an iSCSI # disk. (The latter value will overwrite the former for purposes of the main # initramfs scripts, but our loop that scans /proc/cmdline will still detect # the former and set proper parameters. if [ -n "$ISCSI_HAD_ROOT" ] && [ x"${ROOT##iscsi:}" != x"${ROOT}" ] ; then if [ -z "$ISCSI_ROOT_LUN" ] ; then ISCSI_ROOT_LUN=0 fi found=0 # FIXME: RFC 4173 defines the LUN field to be more complicated and that # the same LUN may have multiple representations. for disk in /dev/disk/by-path/*-iscsi-*-"${ISCSI_ROOT_LUN}" ; do # Resolve device name, as the colons in the by-path name will # cause mount to think that this is a NFS share, which we don't # want. if ! disk="$(readlink -f "$disk")" ; then continue fi # Try to load file system type module (ignore errors), otherwise # this won't succeed. if fstype=$(get_fstype "$disk") ; then modprobe "$fstype" || : ROOTFSTYPE="$fstype" fi # Try to mount read-only and see if it's the right filesystem. # If so, record the device name but umount again, because we # want to be able to do an fsck on it. if mount -r -t "${ROOTFSTYPE:-auto}" ${ROOTFLAGS} "${disk}" ${rootmnt} ; then if [ -d ${rootmnt}/proc ] ; then # This will be sourced by init after this hook has run. echo "export ROOT=$disk" >> /conf/param.conf if [ -n "$ROOTFSTYPE" ] && [ x"$ROOTFSTYPE" != x"auto" ] ; then echo "export ROOTFSTYPE=$ROOTFSTYPE" >> /conf/param.conf fi found=1 fi umount ${rootmnt} if [ $found -eq 1 ] ; then break fi fi done fi exit 0