mirror of
https://github.com/fradelg/docker-mysql-cron-backup.git
synced 2025-01-18 16:22:33 +01:00
29 lines
965 B
Bash
29 lines
965 B
Bash
#!/bin/bash
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[ -z "${MYSQL_USER}" ] && { echo "=> MYSQL_USER cannot be empty" && exit 1; }
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[ -z "${MYSQL_PASS}" ] && { echo "=> MYSQL_PASS cannot be empty" && exit 1; }
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DATE=`date +%Y%m%d%H%M`
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echo "=> Backup started at $DATE"
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databases=`mysql -u $MYSQL_USER -p$MYSQL_PASS -e "SHOW DATABASES;" | tr -d "| " | grep -v Database`
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for db in $databases; do
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if [[ "$db" != "information_schema" ]] && [[ "$db" != "performance_schema" ]] && [[ "$db" != "mysql" ]] && [[ "$db" != _* ]] ; then
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echo "Dumping database: $db"
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FILENAME=/backup/$DATE.$db.sql
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if mysqldump -h $MYSQL_HOST -P $MYSQL_PORT -u $MYSQL_USER -p$MYSQL_PASS $db > $FILENAME ;then
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gzip -f $FILENAME
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else
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rm -rf $FILENAME
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fi
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fi
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done
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if [ -n "$MAX_BACKUPS" ]; then
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while [ `ls -1 /backup | wc -l` -gt "$MAX_BACKUPS" ];
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do
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TARGET=`ls -1 /backup | sort | head -n 1`
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echo "Backup ${TARGET} is deleted"
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rm -rf /backup/${TARGET}
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done
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fi
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echo "=> Backup done"
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