source: MondoRescue/branches/3.2/mondo/src/restore-scripts/mondo/mr-label-partitions-as-necessary @ 3542

Last change on this file since 3542 was 3542, checked in by Bruno Cornec, 5 years ago
  • Rename all mondorestore scripts with the mr- prefix and adapt callers
  • Place these scripts in /usr/bin on the restore media
  • Fix a mindi bug where these scripts were not copied anymore with previous modifications around removal of cd
  • Property svn:keywords set to Id
  • Property svn:unix-mode set to 755
File size: 3.8 KB
Line 
1#!/bin/sh
2#
3# $Id: mr-label-partitions-as-necessary 3542 2016-03-24 16:48:03Z bruno $
4#
5############################################
6
7
8read_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" = "fat" ] || [ "$format" = "vfat" ]; then
59            if [ "$opttun" = "-U" ]; then
60                if [ -x "/usr/bin/mr-label" ]; then
61                    command="/usr/bin/mr-label -U $label $mountpt"
62                    LogIt "Running $command"
63                    $command
64                else
65                    LogIt "No command available to update a UUID of a FAT/VFAT FS"
66                fi
67            else
68                if [ -x "/sbin/fatlabel" ]; then
69                    command="/sbin/fatlabel $mountpt $label"
70                    LogIt "Running $command"
71                    $command
72                else
73                    LogIt "No fatlabel command available to label a FAT/VFAT FS"
74                fi
75            fi
76        elif [ "$format" = "swap" ] ; then
77            if [ "$opttun" = "-U" ]; then
78                typelabel="UUID"
79            else
80                typelabel="Label"
81            fi
82            if [ -x "/sbin/swaplabel" ]; then
83                # Better choice
84                command="/sbin/swaplabel $opttun $label $mountpt"
85            else
86                if [ "$opttun" = "-U" ]; then
87                    LogIt "Really running dd conv=notrunc of=$mountpt obs=1 seek=1036"
88                    echo -n "$label" | perl -ne 's/-//g;chomp;print pack "H*",$_' | dd conv=notrunc "of=$mountpt" obs=1 seek=1036
89                    command=/bin/true
90                else
91                    command="mkswap -f $opttun $label $mountpt"
92                fi
93            fi
94            LogIt "Creating $typelabel $label on swap partition $mountpt"
95            LogIt "Running $command"
96            $command
97        else
98            LogIt "I am NOT going to run tune2|4fs/reiserfstune: the partition is format '$format', which doesn't like tune2|4fs/reiserfstune anyway"
99        fi
100    fi
101}
102
103
104# ---------------------------------------------
105
106LogIt "Identifying your drives with FS tune tool"
107if [ "$#" -ne "1" ] ; then
108    LogIt "mr-label-partitions-as-necessary /tmp/mountlist.txt < /tmp/fstab.new" 1
109    exit 1
110fi
111mountlist=$1
112noof_blank_lines=0
113read line
114# We end after 50 empty lines, which hopefully means we reach the end of the file
115while [ "$noof_blank_lines" -le "50" ] ; do
116    if [ "$line" = "" ] ; then
117        noof_blank_lines=$(($noof_blank_lines+1))
118    else
119        noof_blank_lines=0
120        read_partition_line "$line"
121    fi
122    read line
123done
124LogIt "Labeling complete."
125exit 0
Note: See TracBrowser for help on using the repository browser.