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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=$font &
}
do_file_updates() { # A function because we need to do this in two places
echo "Doing any needed file updates..."
[ -n "$UPDATE_FILES" -a -f "$UPDATE_FILES" -a -x "$UPDATE_FILES" ] &&
"$UPDATE_FILES"
}
do_db_updates() {
# We need to redo this since we just restored the old settings...
lock_myth
# This is gross, but makes sure that the lock count has a sane value...
mysql_cmd "update settings set data = '1' where value = 'MythShutdownLock'"
# Clean up ambiguous schema version settings...
for val in $(mysql_cmd "select distinct value from settings where value like '%SchemaVer'") ; do
# Find the numeric maximum version for this schema
max_ver=$(mysql_cmd "select max(0 + ifnull(data, 0)) from settings where value = '$val'")
# Wipe out all the existing ones
mysql_cmd "delete from settings where value = '$val'"
# Insert a nice clean unique one.
mysql_cmd "insert into settings set value = '$val', data = '$max_ver'"
done
# This table causes problems with mythweb on upgrades...
mysql_cmd "update settings set data = '0' where value = 'WebDBSchemaVer'"
mysql_cmd "drop table mythweb_sessions" >/dev/null 2>&1
}
# Let's prevent mythshutdown from shutting down the system.
lock_myth
# Play a sound to let you know I'm starting.
play_sound restore.wav
export DISPLAY=:0.0
# Doing this while the backend is active could be BAD.
stop_mythbackend
# If the standard backup file exists we try to restore the files based
# on our restore list.
if compression=$(compression_type "$BACKUP_TAR") ; then
osd "Restoring files..." 0 1
echo "Starting the restore of files..."
cd /
expand -c $BACKUP_TAR$compression |
$TAR xpvf - $RESTORE_LIST $EXCLUSION 2>&1 |
$SED -e '/Error exit delayed from previous errors/d'
echo "Completed the restore of files."
fi
# If the db backup file exists start the DB restore and upgrade
if compression=$(compression_type "$BACKUP_SQL") ; then
echo "Starting the DB restore, this can take a while..."
echo "Clearing out the existing skeleton..."
#mysql_stdin < $DROP_SQL
osd "Recreating database..." 0 2
echo "Recreating the db..."
sleep 1
$MYSQLADMIN -u root create $DATABASE
osd "Restoring database..." 0 3
echo "Restoring the data (long)..."
expand -c $BACKUP_SQL$compression | mysql_stdin
echo "Doing any needed db updates..."
[ -n "$UPDATE_SQL" -a -f "$UPDATE_SQL" ] &&
mysql_stdin < $UPDATE_SQL
echo "Completed the DB restore."
fi
osd "Testing restore..." 0 4
echo "Sanity checking your restore..."
play_sound vr.wav
# Play a sound to let you know the outcome.
if check_files_and_tables $RESTORE_LIST ; then
osd "Restore completed successfully." 5 5
echo "Restore passes all checks."
COMPLETE_MSG="Last restore completed on `date '+%D @ %-I:%M %p'`"
play_sound restored.wav
STATUS=0
else
osd "Restore FAILED." 5 5
echo "The restore failed or was already modified!"
COMPLETE_MSG="Last restore FAILED on `date '+%D @ %-I:%M %p'`"
play_sound rf.wav
STATUS=1
fi
# Add Last restore status to menu item
if grep "<description>" /usr/share/mythtv/themes/defaultmenu/mythrestore.xml >/dev/null 2>&1
then
sed -i "s_\<description\>.*\<description\>_description\>$COMPLETE_MSG\<\/description_" /usr/share/mythtv/themes/defaultmenu/mythrestore.xml
else
sed -i.orig " /NONE/ i\ \<description\>$COMPLETE_MSG\<\/description\>" /usr/share/mythtv/themes/defaultmenu/mythrestore.xml
fi
# Make any updates _after_ we verify the backup...
do_db_updates
do_file_updates
#post restore fixup for sshd
/usr/MythVantage/bin/systemconfig.py -m user
# Now it's more or less safe to restart the backend.
start_mythbackend
exit $STATUS
|
