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#!/bin/bash
# this script will backup all mysql databases from the server to a ftp
# server
# mysql server informations
MYSQL_SERVER="localhost"
MYSQL_USER="backup"
MYSQL_PASSWORD="password"
# ftp server data
FTP_SERVER="backup"
FTP_USER="ftp"
FTP_PASSWORD="password"
# target directory on the ftp (if no / at the beginning, relativ to
# the first directory after login)
FTP_TARGET="mysql"
# temporary directory
TMP_DIRECTORY="/tmp"
# backup name
BACKUP_PREFIX="$(hostname -f)_${MYSQL_SERVER}_$(date +%F)"
# logging (0 = enabled, all other = disabled)
LOGGING="0"
## end of configuration
# load common stuff
BACKUP_ROOT=".."
source ${BACKUP_ROOT}/common/init.sh
# check for tools
_check_tools mysqlshow mysqldump ncftpput
echo "Started backup of mysql databases ($(date +%c)):" | _log
echo | _log
# create temporary dir
mkdir -p ${TMP_DIRECTORY}
TMP_DIR=$(mktemp -d --tmpdir=${TMP_DIRECTORY})
pushd ${TMP_DIR} >/dev/null 2>&1
# backup all databases to file and reset binlog
mysqldump -h${MYSQL_SERVER} -u${MYSQL_USER} -p${MYSQL_PASSWORD} \
--flush-logs --master-data=2 --all-databases --delete-master-logs \
--lock-all-tables | bzip2 -zc > "${BACKUP_PREFIX}.sql.bz2"
# echo created log of file sizes
du -sch "${BACKUP_PREFIX}.sql.bz2" | _log
echo | _log
# move backup to ftp server
ncftpput -u"${FTP_USER}" -p"${FTP_PASSWORD}" -V -DD "${FTP_SERVER}" \
"${FTP_TARGET}" "${BACKUP_PREFIX}.sql.bz2" >/dev/null
echo "Finished backup of mysql databases ($(date +%c))" | _log
# restore old cwd
popd >/dev/null 2>&1
rmdir ${TMP_DIR}
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