mysqldump к tar.gz

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#!/bin/bash
#set -x

#REQUIRED VARS
SOURCE_USER=root   #MySQL user
SOURCE_HOST=localhost
SOURCE_PASSWORD=yourmysqlpass  #optional
SOURCE_DBNAME=yourdbname
TARGET_HOST=192.168.1.2
TARGET_DBNAME=yourdbname
TARGET_SSHUSER=root
TARGET_SSHPASSWORD=yoursshpass  #optional
TABLES='table1 table2 table3 table4'
TARGET_DIR="/data/dumpfiles"
EXEC_ACTION_TEXT[0]='Reimport TABLES directly into remote MySQL database'
EXEC_ACTION_TEXT[1]='Backup gzipped data to TARGED_DIR on remote TARGET_HOST'
EXEC_ACTION=0

#print config
echo "---------------------------------"
echo " SOURCE_USER:    $SOURCE_USER (MySQL)"
if [ "SOURCE_PASSWORD" != "" ]; then
echo " SOURCE_PASSWORD:<present>        "; else
echo " SOURCE_PASSWORD:<to be asked>    "
fi
echo " SOURCE_HOST:    $SOURCE_HOST     "
echo " SOURCE_DBNAME:  $SOURCE_DBNAME   "
echo " TARGET_HOST:    $TARGET_HOST     "
echo " TARGET_DBNAME:  $TARGET_DBNAME   "
echo " TARGET_SSHUSER: $TARGET_SSHUSER  "
if [ "TARGET_SSHPASSWORD" != "" ]; then
echo " TARGET_SSHPASS: <present>     "; else
echo " TARGET_SSHPASS: <to be asked>    "
fi
echo " TABLES:         $TABLES          "
echo " EXEC_ACTION:    $EXEC_ACTION - ${EXEC_ACTION_TEXT[$EXEC_ACTION]}"
echo " TARGET_DIR:     $TARGET_DIR (only for action 1)"
echo "---------------------------------"
echo "PRESS <ENTER> to continue...";  read;  echo

#read the mysql password from command-line (SOURCE and TARGET uses the same password)
if [ "$SOURCE_PASSWORD" == "" ]; then
     echo -n "Type $SOURCE_USER password for MySQL servers: "; read -s SOURCE_PASSWORD; echo
fi
echo "Creating database $TARGET_DBNAME on $TARGET_HOST if not exists ... "
mysql \
--user=$SOURCE_USER \
--password=$SOURCE_PASSWORD \
--host=$TARGET_HOST \
--execute "create database if not exists $TARGET_DBNAME;"

echo '--------------------------------------------------------------------------------------'
echo "**** ATTENTION ****: execute this command on mysql server at  $TARGET_HOST :"
echo "GRANT ALL PRIVILEGES ON $TARGET_DBNAME.* TO '$SOURCE_USER'@'%' IDENTIFIED BY 'yourpass';"
echo '--------------------------------------------------------------------------------------'
echo "PRESS <ENTER> to continue...";  read;  echo

#read the password from command-line
if [ "$TARGET_SSHPASSWORD" == "" ]; then
     echo -n "Type the password for remote SSH Server (TARGET) ['$TARGET_SSHUSER'@'$TARGET_HOST']: "; read -s TARGET_SSHPASSWORD; echo
fi

for thistable in $TABLES
do
     case "$EXEC_ACTION" in
         0)
         thisaction="gunzip | mysql --user=$SOURCE_USER --password=$SOURCE_PASSWORD -D $TARGET_DBNAME"
         endmessage='remote reimporting has finished'
         ;;
         1)
         thisaction="cat > $TARGET_DIR/`date +%Y.%m.%d`-"$thistable".gz"
         endmessage="$thisaction has finished"
         ;;
         *)   echo "EXEC_ACTION=$EXEC_ACTION not supported" && exit 1
     esac

     echo "---------------------------------------------------------------------"
     echo "-- table $thistable"
     echo "---------------------------------------------------------------------"
     (
       echo -n "-- setting variables... " > /dev/stderr  #talk to user via stderr
       echo "SET AUTOCOMMIT=0; SET UNIQUE_CHECKS=0; SET FOREIGN_KEY_CHECKS=0;"
       echo -n "starting mysqldump... " > /dev/stderr
       mysqldump --opt --user=$SOURCE_USER --password=$SOURCE_PASSWORD --host=$SOURCE_HOST $SOURCE_DBNAME $thistable
       echo -n "done mysqldump, reseting variables... " > /dev/stderr
       echo "SET FOREIGN_KEY_CHECKS=1; SET UNIQUE_CHECKS=1; SET AUTOCOMMIT=1;"
       echo -n "commiting... " > /dev/stderr
       echo "COMMIT;"
       echo "done!" > /dev/stderr
     ) | \
     gzip -c -2 | \
     pv | \
     sshpass -p $TARGET_SSHPASSWORD ssh $TARGET_SSHUSER'@'$TARGET_HOST $thisaction
     echo $endmessage ' with exit status '$?
done