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84 lines
2.3 KiB
Bash
84 lines
2.3 KiB
Bash
#!/ventoy/busybox/sh
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#************************************************************************************
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# Copyright (c) 2021, longpanda <admin@ventoy.net>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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#************************************************************************************
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. /ventoy/hook/ventoy-hook-lib.sh
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VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
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get_rhel_ver() {
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if uname -m | grep -q '64'; then
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machine='_X64'
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fi
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if grep -q '6[.]1' /etc/redhat-release; then
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echo "RHAS6U1$machine"; return
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fi
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echo "RHAS6U1$machine"
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}
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install_dm_mod_ko() {
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# dump iso file location
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vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vtdiskname} > $VTOY_PATH/iso_file_list
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sysver=$(get_rhel_ver)
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vtlog "sysver=$sysver"
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LINE=$(grep "$sysver" -n -m1 $VTOY_PATH/iso_file_list | awk -F: '{print $1}')
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vtlog "LINE=$LINE"
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LINE=$(sed -n "$LINE,\$p" $VTOY_PATH/iso_file_list | grep -m1 'initrd.img')
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vtlog "LINE=$LINE"
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sector=$(echo $LINE | $AWK '{print $(NF-1)}')
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length=$(echo $LINE | $AWK '{print $NF}')
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vtlog "sector=$sector length=$length"
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mkdir xxx
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vtoydm -e -f $VTOY_PATH/ventoy_image_map -d ${vtdiskname} -s $sector -l $length -o ./xxx.img
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cd xxx/
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zcat ../xxx.img | cpio -idmu
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ko=$(find -name dm-mod.ko*)
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vtlog "ko=$ko ..."
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insmod $ko
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cd ../
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rm -f xxx.img
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rm -rf xxx
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}
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vtdiskname=$(get_ventoy_disk_name)
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vtlog "vtdiskname=$vtdiskname ..."
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if [ "$vtdiskname" = "unknown" ]; then
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exit 0
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fi
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if grep -q 'device-mapper' /proc/devices; then
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vtlog "device-mapper module check ko"
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else
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install_dm_mod_ko
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fi
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ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
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ln -s /dev/dm-0 /dev/root
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PATH=$VTPATH_OLD
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