Changeset 3730


Ignore:
Timestamp:
Nov 16, 2019, 3:10:39 AM (5 months ago)
Author:
Bruno Cornec
Message:

Generate scripts to make and mount btrfs subvolumes

File:
1 edited

Legend:

Unmodified
Added
Removed
  • branches/3.3/mindi/mindi

    r3725 r3730  
    14461446    done
    14471447    LogAll "-----------------------------------"
     1448
     1449    # Manages btrfs subvol partitions so they can be restored
     1450    # List looks like this
     1451    # ID 257 gen 20074 top level 5 path <FS_TREE>/@
     1452    # ID 260 gen 19927 top level 257 path @/home
     1453    # ID 261 gen 19927 top level 257 path @/opt
     1454    touch $MINDI_TMP/create-btrfs-subvol $MINDI_TMP/mount-btrfs-subvol
     1455    btrfs subvolume list -a / 2>/dev/null > $MINDI_TMP/btrfssubvol.txt
     1456    LogFile "btrfs subvolumes layout is:"
     1457    LogFile "---------------------------"
     1458    cat $MINDI_TMP/btrfssubvol.txt  >> $LOGFILE
     1459    LogFile "---------------------------"
     1460    grep -E 'btrfs[     ]+subvol=' /etc/fstab > $MINDI_TMP/btrfs-extract
     1461    LogFile "btrfs subvolumes referenced in fstab:"
     1462    LogFile "-------------------------------------"
     1463    cat $MINDI_TMP/btrfs-extract >> $LOGFILE
     1464    LogFile "-------------------------------------"
     1465    while read dev mp type opt dum dum; do
     1466        echo $dev | grep -qE 'UUID|LABEL'
     1467        if [ $? -eq 0 ]; then
     1468            label=`echo $dev | cut -d= -f2`
     1469            device=`grep $label $mountlist | awk '{print $1}'`
     1470        else
     1471            device=$dev
     1472        fi
     1473        subvol=`echo $opt | cut -d@ -f2 | cut -d, -f1`
     1474        top=`grep -E "@$subvol$" $MINDI_TMP/btrfssubvol.txt | awk '{ print $7 }'`
     1475        btrfs=`grep -E "^ID $top " $MINDI_TMP/btrfssubvol.txt | awk '{ print $9 }' | sed 's/<FS_TREE>//' | sed 's/@$//'`
     1476        mountpoint="$btrfs$subvol"
     1477        echo "btrfs subvolume create $btrfs$subvol" >> $MINDI_TMP/create-btrfs-subvol
     1478        echo "mount -t btrfs -o subvol=$subvol $device $mountpoint" >> $MINDI_TMP/mount-btrfs-subvol
     1479    done <  $MINDI_TMP/btrfs-extract
     1480    rm -f  $MINDI_TMP/btrfs-extract
     1481    chmod 755 $MINDI_TMP/create-btrfs-subvol $MINDI_TMP/mount-btrfs-subvol
     1482    LogFile "Your create-btrfs-subvol file content is:"
     1483    LogFile "-----------------------------------------"
     1484    cat $MINDI_TMP/create-btrfs-subvol  >> $LOGFILE
     1485    LogFile "-----------------------------------------"
     1486    LogFile "Your mount-btrfs-subvol file content is:"
     1487    LogFile "-----------------------------------------"
     1488    cat $MINDI_TMP/mount-btrfs-subvol  >> $LOGFILE
     1489    LogFile "-----------------------------------------"
    14481490}
    14491491
     
    23522394    mkdir -p $bigdir/tmp
    23532395    cp -f $MINDI_TMP/mountlist.txt $bigdir/tmp/mountlist.txt 2>> $LOGFILE || Die "Cannot copy mountlist.txt from $MINDI_TMP to data disk"
     2396    cp -f $MINDI_TMP/create-btrfs-subvol $MINDI_TMP/mount-btrfs-subvol $bigdir/tmp/ 2>> $LOGFILE || Die "Cannot copy subvol scripts from $MINDI_TMP to data disk"
    23542397    if [ _"$MONDO_SHARE" != _"" ]; then
    23552398        cp -f $bigdir/tmp/mountlist.txt $MINDI_TMP/. 2>> $LOGFILE
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