| 1 | #!/bin/sh
|
|---|
| 2 | #
|
|---|
| 3 | # $Id: label-partitions-as-necessary 3330 2014-12-23 06:49:06Z bruno $
|
|---|
| 4 | #
|
|---|
| 5 | ############################################
|
|---|
| 6 |
|
|---|
| 7 |
|
|---|
| 8 | read_partition_line() {
|
|---|
| 9 | local label mountpt command format device d m
|
|---|
| 10 |
|
|---|
| 11 | device=`echo "$1" | awk '{print $1}'`
|
|---|
| 12 | d=`echo "$device" | cut -c1`
|
|---|
| 13 | format=`echo "$1" | awk '{print $3}'`
|
|---|
| 14 | label=`echo "$device" | cut -s -d'=' -f2`
|
|---|
| 15 | if [ "$d" = "/" ] && [ "$label" = "" ]; then
|
|---|
| 16 | m=`echo "$1" | awk '{print $2}'`
|
|---|
| 17 | # We force UUID even if nothing in fstab as some new distro like RHEL7 rely on it
|
|---|
| 18 | [ "$format" = "reiserfs" ] && opttun="-u" || opttun="-U"
|
|---|
| 19 | label=`awk '{print $2,$5}' $mountlist | grep -E "^$m " | awk '{print $2}'`
|
|---|
| 20 | else
|
|---|
| 21 | if [ "`echo "$1" | grep -E 'LABEL='`" != "" ] ; then
|
|---|
| 22 | [ "$format" = "reiserfs" ] && opttun="-l" || opttun="-L"
|
|---|
| 23 | elif [ "`echo "$1" | grep -E 'UUID='`" != "" ] ; then
|
|---|
| 24 | [ "$format" = "reiserfs" ] && opttun="-u" || opttun="-U"
|
|---|
| 25 | else
|
|---|
| 26 | LogIt "Nothing to do on $1"
|
|---|
| 27 | return
|
|---|
| 28 | fi
|
|---|
| 29 | fi
|
|---|
| 30 | mountpt=`awk '{print $1,$5}' $mountlist | grep " $label$" | awk '{print $1}'`
|
|---|
| 31 |
|
|---|
| 32 | if [ ! "$mountpt" ] ; then
|
|---|
| 33 | LogIt "Not labeling anything as ($label) because ($mountpt) is not a mountpoint"
|
|---|
| 34 | elif [ ! "$label" ] ; then
|
|---|
| 35 | LogIt "Not labeling ($mountpt) as anything because ($label) is not a label/uuid"
|
|---|
| 36 | else
|
|---|
| 37 | if [ "$format" = "ext2" ] || [ "$format" = "ext3" ] || [ "$format" = "ext4" ]; then
|
|---|
| 38 | if [ "$format" = "ext4" ] && [ -x "/sbin/tune4fs" ]; then
|
|---|
| 39 | command="/sbin/tune4fs $opttun $label $mountpt"
|
|---|
| 40 | else
|
|---|
| 41 | command="tune2fs $opttun $label $mountpt"
|
|---|
| 42 | fi
|
|---|
| 43 | LogIt "Running $command"
|
|---|
| 44 | $command
|
|---|
| 45 | elif [ "$format" = "reiserfs" ]; then
|
|---|
| 46 | command="reiserfstune $opttun $label $mountpt"
|
|---|
| 47 | LogIt "Running $command"
|
|---|
| 48 | $command
|
|---|
| 49 | elif [ "$format" = "btrfs" ]; then
|
|---|
| 50 | # Also see https://btrfs.wiki.kernel.org/index.php/Project_ideas#Filesystem_UUID_change_-_off-line
|
|---|
| 51 | command="btrfs filesystem label $mountpt $label"
|
|---|
| 52 | LogIt "Running $command"
|
|---|
| 53 | $command
|
|---|
| 54 | elif [ "$format" = "xfs" ]; then
|
|---|
| 55 | command="xfs_admin $opttun $label $mountpt"
|
|---|
| 56 | LogIt "Running $command"
|
|---|
| 57 | $command
|
|---|
| 58 | elif [ "$format" = "swap" ] ; then
|
|---|
| 59 | if [ "$opttun" = "-U" ]; then
|
|---|
| 60 | LogIt "Creating uuid $label on swap partition $mountpt"
|
|---|
| 61 | if [ -x "/sbin/swaplabel" ]; then
|
|---|
| 62 | /sbin/swaplabel $opttun $label $mountpt
|
|---|
| 63 | else
|
|---|
| 64 | echo -n "$label" | perl -ne 's/-//g;chomp;print pack "H*",$_' | dd conv=notrunc "of=$mountpt" obs=1 seek=1036
|
|---|
| 65 | fi
|
|---|
| 66 | else
|
|---|
| 67 | if [ -x "/sbin/swaplabel" ]; then
|
|---|
| 68 | command="/sbin/swaplabel $opttun $label $mountpt"
|
|---|
| 69 | else
|
|---|
| 70 | command="mkswap $opttun $label $mountpt"
|
|---|
| 71 | fi
|
|---|
| 72 | LogIt "Running $command"
|
|---|
| 73 | $command
|
|---|
| 74 | fi
|
|---|
| 75 | else
|
|---|
| 76 | LogIt "I am NOT going to run tune2|4fs/reiserfstune: the partition is format '$format', which doesn't like tune2|4fs/reiserfstune anyway"
|
|---|
| 77 | fi
|
|---|
| 78 | fi
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 |
|
|---|
| 82 | # ---------------------------------------------
|
|---|
| 83 |
|
|---|
| 84 | LogIt "Identifying your drives with FS tune tool"
|
|---|
| 85 | if [ "$#" -ne "1" ] ; then
|
|---|
| 86 | LogIt "label-partitions-as-necessary /tmp/mountlist.txt < /tmp/fstab.new" 1
|
|---|
| 87 | exit 1
|
|---|
| 88 | fi
|
|---|
| 89 | mountlist=$1
|
|---|
| 90 | noof_blank_lines=0
|
|---|
| 91 | read line
|
|---|
| 92 | # We end after 50 empty lines, which hopefully means we reach the end of the file
|
|---|
| 93 | while [ "$noof_blank_lines" -le "50" ] ; do
|
|---|
| 94 | if [ "$line" = "" ] ; then
|
|---|
| 95 | noof_blank_lines=$(($noof_blank_lines+1))
|
|---|
| 96 | else
|
|---|
| 97 | noof_blank_lines=0
|
|---|
| 98 | read_partition_line "$line"
|
|---|
| 99 | fi
|
|---|
| 100 | read line
|
|---|
| 101 | done
|
|---|
| 102 | LogIt "Labeling complete."
|
|---|
| 103 | exit 0
|
|---|
