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#!/bin/bash
#process that uses this system backup script
# - myth_mtc.py
# - supplemental web, process.py backup linhes_backup_wrapper
MYTH_RUN_STATUS="1"
. /etc/profile
. /etc/systemconfig
BACKUPDIR=/data/storage/disk0/backup/system_backups
DELETE_DAYS=21
DATE=`date +%F_%H-%M`
backup_status=0
#
MYTHSHUTDOWN="/usr/bin/mythshutdown"
function lock_myth(){
$MYTHSHUTDOWN --lock
}
function unlock_myth(){
$MYTHSHUTDOWN --unlock
}
function backup_status_check(){
if [ $1 -ne 0 ]
then
backup_status=1
fi
}
function backup(){
echo "#######################################"
echo "Starting backup "
mkdir -p $BACKUPDIR/$DATE
#backup database
if [ $SystemType = Master_backend -o $SystemType = Standalone ]
then
pacman -Q mysql 2>/dev/null
if [ $? = 0 ]
then
mysqldump -x mythconverg > $BACKUPDIR/$DATE/mythconverg
backup_status_check $?
mysqldump -x ncid > $BACKUPDIR/$DATE/ncid
#this is all the users
mysqldump -x mysql > $BACKUPDIR/$DATE/mysql_table
#this is everything
mysqldump -x --all-databases > $BACKUPDIR/$DATE/all_databases
backup_status_check $?
fi
fi
#backup saved settings
if [ -e /usr/MythVantage/templates/settings ]
then
cp -rp /usr/MythVantage/templates/settings $BACKUPDIR/$DATE/settings
backup_status_check $?
fi
#backup etc
cp -rp /etc $BACKUPDIR/$DATE/etc
if [ -e /var/lib/oss ]
then
cp -rp /var/lib/oss $BACKUPDIR/$DATE/oss
backup_status_check $?
fi
#backup func keys
cp -rp /etc/pki $BACKUPDIR/$DATE/pki
if [ ! -f $MYTHHOME/backup_config/backup_exclude.txt ]
then
mkdir -p $MYTHHOME/backup_config/
echo ".mythtv/themecache" > $MYTHHOME/backup_config/backup_exclude.txt
echo "tmp" >> $MYTHHOME/backup_config/backup_exclude.txt
echo ".vnc/*log" >> $MYTHHOME/backup_config/backup_exclude.txt
echo ".vnc/*pid" >> $MYTHHOME/backup_config/backup_exclude.txt
chmod 777 $MYTHHOME/backup_config/backup_exclude.txt
fi
tar -zcf $BACKUPDIR/$DATE/home_dir.tar.gz -X $MYTHHOME/backup_config/backup_exclude.txt $MYTHHOME /home/vncsvc /home/xymon
if [ -f $MYTHHOME/backup_config/backup_include.txt ]
then
tar -zcf $BACKUPDIR/$DATE/other.tar.gz -T $MYTHHOME/backup_config/backup_include.txt
backup_status_check $?
fi
#make_zip file
cd $BACKUPDIR
tar -zcvf $BACKUPDIR/backup.$DATE.tgz $DATE
backup_status_check $?
if [ -d $BACKUPDIR/$DATE ]
then
rm -rf $BACKUPDIR/$DATE
fi
if [ -f /home/xymon/server/ext/hbnotes.py ]
then
/home/xymon/server/ext/hbnotes.py
chown nobody:nobody /data/srv/httpd/htdocs/hobbit/notes/* 2> /dev/null >/dev/null
fi
echo
echo "Created file:"
echo " $BACKUPDIR/backup.$DATE.tgz"
echo "########################################"
}
function update_backup_status(){
# Add Last backup status to menu item
#if description not in the backup xml file, add it
if [ $rc=0 ]
then
COMPLETE_MSG="Last backup completed on `date '+%D @ %-I:%M %p'`"
else
COMPLETE_MSG="Last backup FAILED on `date '+%D @ %-I:%M %p'`"
fi
xmlfile="/usr/share/mythtv/themes/defaultmenu/mythbackup.xml"
grep -q "<description>" $xmlfile >/dev/null
desc_check=$?
if [ $desc_check = 0 ]
then
sed -i "s_\<description\>.*\<description\>_description\>$COMPLETE_MSG\<\/description_" $xmlfile
else
sed -i " /NONE/ i\ \<description\>$COMPLETE_MSG\<\/description\>" $xmlfile
fi
}
function remove_old_backups(){
#remove old backups
find $BACKUPDIR/backup*.tgz -type f -mtime +$DELETE_DAYS -delete
}
function remote_backup(){
#Remote copy
if [ x$RemoteBackup = x1 ]
then
localRemoteCheck=`echo $RemoteBackupDir | cut -d: -f1`
if [ x$localRemoteCheck = xdir ]
then
localRemotedir=`echo $RemoteBackupDir | cut -d: -f2`
echo "copying $BACKUPDIR/backup.$DATE.tgz to $localRemotedir "
cp $BACKUPDIR/backup.$DATE.tgz $localRemotedir
else
/usr/bin/func ${RemoteBackupDir} ping| grep -q "FAILED"
rc=$?
if [ $rc = 0 ]
then
#this is here to mark failed copy of the backup.
#There is a cron.hourly job that will attempt to retransfer the file
echo "Remote backup failed to ${RemoteBackupDir}"
echo backup.$DATE.tgz >> $BACKUPDIR/remote_backup_failed.txt
else
echo "copying $BACKUPDIR/backup.$DATE.tgz to ${RemoteBackupDir}:$BACKUPDIR/MBE_$DATE.tgz"
/usr/bin/func ${RemoteBackupDir} copyfile -f $BACKUPDIR/backup.$DATE.tgz --remotepath $BACKUPDIR/MBE_$DATE.tgz
fi
fi
fi
}
function remote_transfer(){
transfer_file=${1}
echo $transfer_file
/usr/bin/func ${RemoteBackupDir} ping| grep -q "FAILED"
rc=$?
if [ $rc = 0 ]
then
#this is here to mark a failed copy of the backup.
#There is a cron.hourly job that will attempt to retransfer the file
echo "Remote backup failed to ${RemoteBackupDir}"
echo $transfer_file >> $BACKUPDIR/remote_backup_failed.txt
else
echo "copying $BACKUPDIR/$transfer_file to ${RemoteBackupDir}:$BACKUPDIR/MBE_$transfer_file"
/usr/bin/func ${RemoteBackupDir} copyfile -f $BACKUPDIR/$transfer_file --remotepath $BACKUPDIR/MBE_$transfer_file
fi
}
function add_link(){
if [ -f $BACKUPDIR/remote_backup_failed.txt ]
then
RETRYFILE="/etc/cron.hourly/lh_backup_retry.sh"
echo "#!/bin/bash" > $RETRYFILE
echo "#This file was autogenerated and will be removed by lh_system_backup_job" >> $RETRYFILE
echo "MYTH_RUN_STATUS=1">> $RETRYFILE
echo ". /etc/profile">> $RETRYFILE
echo "lh_system_backup_job retry">> $RETRYFILE
chmod 755 $RETRYFILE
fi
}
function remove_link(){
RETRYFILE="/etc/cron.hourly/lh_backup_retry.sh"
if [ ! -f $BACKUPDIR/remote_backup_failed.txt ]
then
rm -f $RETRYFILE
fi
}
#------------------------------------
lock_myth
if [ "x$1" = "x" ]
then
remove_old_backups
backup
update_backup_status
remote_backup
add_link
else
#this is where we attempt to transfer again as part of the cronjob
if [ -f $BACKUPDIR/remote_backup_failed.txt ]
then
mv -f $BACKUPDIR/remote_backup_failed.txt /tmp
while read line
do
echo $line
remote_transfer $line
done < /tmp/remote_backup_failed.txt
rm -f /tmp/remote_backup_failed.txt
fi
remove_link
fi
unlock_myth
echo $backup_status > /var/run/systembackup.rc
exit $backup_status
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