DB Import & Export

MariaDB

mysqldump -h 127.0.0.1 -P 13306 -u root -p**** db_name > db_exp.sql

DATESN=`date +'%m%d'`
DBNAME=mydb
DBFILE=~/Downloads/${DBNAME}-${DATESN}.sql
SSHTUN=13306
SSHCTRL=tun.ctrl
SSHCONF=myconf
RPASS=********
LPASS=********

if [ -e $SSHCTRL ]; then
  echo "* Close existed tunnel."
  ssh -S $SSHCTRL -O exit $SSHCONF 2> /dev/null
fi

echo "* Load data from remote and save as $DBFILE"
ssh -M -S $SSHCTRL -NCfL $SSHTUN:127.0.0.1:3306 $SSHCONF
mysqldump -h 127.0.0.1 -P $SSHTUN -u root -p$RPASS $DBNAME > $DBFILE
ssh -S $SSHCTRL -O exit $SSHCONF 2> /dev/null

echo '* Import data into local'
echo "DROP DATABASE IF EXISTS $DBNAME" | mysql -u root -p$LPASS test
echo "CREATE DATABASE IF NOT EXISTS $DBNAME" | mysql -u root -p$LPASS test
echo "source $DBFILE" | mysql -u root -p$LPASS $DBNAME

echo 'Done.'