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|
#!/bin/bash
#----------------------------------------------------------------------------
. /usr/LH/bin/backupcommon || {
echo 1>&2 "Can not load common settings!"
exit 1
}
. /etc/osd_cat.cfg || {
color=yellow
outline=2
outlinecolour=black
shadow=0
shadowcolour=black
font="-adobe-helvetica-bold-*-*-*-34-*-*-*-*-*-*-*"
}
#----------------------------------------------------------------------------
# Function to display status onscreen
osd()
# Arg_1 = display text Arg_2 = delay time Arg_3 = line num
{
TEXT=$1
killall -9 osd_cat
if [ $3 -gt 1 ]; then
for ((i=2; i <= $3 ; i++))
do
TEXT="\n"$TEXT
done
fi
printf "$TEXT" | osd_cat --lines=6 --pos=middle --align=center --delay=$2 --color=$color --outline=$outline --outlinecolour=$outlinecolour --shadow=$shadow --shadowcolour=$shadowcolour --font=$font &
}
# Prevent mythshutdown from shutting down the system in the middle...
lock_myth
# Play a sound to let you know I'm starting.
play_sound init.wav
# Keep a chain of recent backups,
export DISPLAY=:0.0
osd "Rolling over old backups..." 0 1
echo "Starting rollover of old backups, this may take a while..."
[ -f "$BACKUP_SQL" ] && shrink $BACKUP_SQL
[ -f "$BACKUP_TAR" ] && shrink $BACKUP_TAR
backup_roller .19 .18 .17 .16 .15 .14 .13 .12 .11 .10 .9 .8 .7 .6 .5 .4 .3 .2 .1 ''
echo "Rollover completed."
osd "Checking the database..." 0 2
# Start with the database backup, first we make sure it's healthy, and
# then we can dump it.
# Doing this while the backend is active would be BAD.
stop_mythbackend
# Stop, check, and fix $DATABASE db to ensure clean copy, then restart it.
stop_mysqld
cd $DATABASE_DIR
$MYISAMCHK -f *.MYI
start_mysqld
osd "Backing up database..." 0 3
# Dumps the $DATABASE database
$MYSQLDUMP -v -c -u root $DATABASE > $BACKUP_SQL
shrink $BACKUP_SQL
osd "Backing up files..." 0 4
# Now to backup the other files, no fooling around, grab everything in the
# list because you never know what you'll want, and we can always get clever
# about what to restore later...
# gather all the things in the list into a nice tidy bundle
cd /
$TAR cvf $BACKUP_TAR $BACKUP_LIST 2>&1 |
$SED -e '/Error exit delayed from previous errors/d'
shrink $BACKUP_TAR
# If you can't read this you've got no business restoring from it anyway.
$CHOWN root:root $BACKUP_TAR* $BACKUP_SQL*
$CHMOD go-rwx $BACKUP_TAR* $BACKUP_SQL*
osd "Testing backup..." 0 5
echo "Sanity checking your backup..."
play_sound testing.wav
# Play a sound to let you know the outcome.
if check_files_and_tables $BACKUP_LIST ; then
osd "Backup completed successfully." 5 6
echo "Backup passes all checks."
COMPLETE_MSG="Last backup completed on `date '+%D @ %-I:%M %p'`"
play_sound complete.wav
STATUS=0
else
osd "Backup FAILED." 5 6
echo "The backup is bad or already out of date!"
COMPLETE_MSG="Last backup FAILED on `date '+%D @ %-I:%M %p'`"
play_sound fail.wav
STATUS=1
fi
# Add Last backup status to menu item
if grep "<description>" /usr/share/mythtv/themes/defaultmenu/mythbackup.xml >/dev/null 2>&1
then
sed -i "s_\<description\>.*\<description\>_description\>$COMPLETE_MSG\<\/description_" /usr/share/mythtv/themes/defaultmenu/mythbackup.xml
else
sed -i.orig " /NONE/ i\ \<description\>$COMPLETE_MSG\<\/description\>" /usr/share/mythtv/themes/defaultmenu/mythbackup.xml
fi
# Now we can restart the backend.
start_mythbackend
# Unlock the system again...
unlock_myth
exit $STATUS
|
