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|
#!/bin/bash
#----------------------------------------------------------------------------
. /usr/LH/bin/backupcommon || {
echo 1>&2 "Can not load common settings!"
exit 1
}
#----------------------------------------------------------------------------
# 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,
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."
# 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
# Dumps the $DATABASE database
$MYSQLDUMP -v -c -u root $DATABASE > $BACKUP_SQL
shrink $BACKUP_SQL
# 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*
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
echo "Backup passes all checks."
play_sound complete.wav
STATUS=0
else
echo "The backup is bad or already out of date!"
play_sound fail.wav
STATUS=1
fi
# Now we can restart the backend.
start_mythbackend
# Unlock the system again...
unlock_myth
exit $STATUS
|
