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Bash script to backup all mysql databases thru mysqldump
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#!/bin/bash | |
# Destiny folder where backups are stored | |
DEST=/tmp/bacula/server01 | |
CURRDATE=$(date +"%F") | |
# Hostname where MySQL is running | |
HOSTNAME="srv-mysql" | |
# User name to make backup | |
USER="root" | |
# File where has the mysql user password | |
PASS="$(cat /root/etc/mysqlpass)" | |
DATABASES=$(mysql -h $HOSTNAME -u $USER -p$PASS -e "SHOW DATABASES;" | tr -d "| " | grep -v Database) | |
[ ! -d $DEST ] && mkdir -p $DEST | |
for db in $DATABASES; do | |
FILE="${DEST}/$db.sql.gz" | |
FILEDATE= | |
# Be sure to make one backup per day | |
[ -f $FILE ] && FILEDATE=$(date -r $FILE +"%F") | |
[ "$FILEDATE" == "$CURRDATE" ] && continue | |
[ -f $FILE ] && mv "$FILE" "${FILE}.old" | |
mysqldump --single-transaction --routines --quick -h $HOSTNAME -u $USER -p$PASS -B $db | gzip > "$FILE" | |
chown bacula:disk "$FILE" | |
rm -f "${FILE}.old" | |
done |
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