59 lines
1.8 KiB
Bash
Executable File
59 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
|
|
# Simple script to backup MySQL databases
|
|
|
|
# Parent backup directory
|
|
backup_parent_dir="/var/backups/mysql"
|
|
|
|
# MySQL settings
|
|
mysql_user="root"
|
|
mysql_password="ROOTPASSWD"
|
|
|
|
# Read MySQL password from stdin if empty
|
|
# if [ -z "${mysql_password}" ]; then
|
|
# echo -n "Enter MySQL ${mysql_user} password: "
|
|
# read -s mysql_password
|
|
# echo
|
|
# fi
|
|
|
|
# Check MySQL password
|
|
echo exit | mysql --user=${mysql_user} --password=${mysql_password} -B 2>/dev/null
|
|
if [ "$?" -gt 0 ]; then
|
|
echo "MySQL ${mysql_user} password incorrect"
|
|
exit 1
|
|
else
|
|
echo "MySQL ${mysql_user} password correct."
|
|
fi
|
|
|
|
# Create backup directory and set permissions
|
|
backup_date=`date +%Y_%m_%d_%H_%M`
|
|
backup_dir="${backup_parent_dir}/${backup_date}"
|
|
echo "Backup directory: ${backup_dir}"
|
|
mkdir -p "${backup_dir}"
|
|
chmod 644 "${backup_dir}"
|
|
|
|
# Get MySQL databases
|
|
mysql_databases=`echo 'show databases' | mysql --user=${mysql_user} --password=${mysql_password} -B | sed /^Database$/d`
|
|
|
|
# Backup and compress each database
|
|
for database in $mysql_databases
|
|
do
|
|
if [ "${database}" == "information_schema" ] || [ "${database}" == "performance_schema" ]; then
|
|
additional_mysqldump_params="--skip-lock-tables --compact --no-autocommit "
|
|
else
|
|
additional_mysqldump_params=""
|
|
fi
|
|
echo "Creating backup of \"${database}\" database"
|
|
mysqldump ${additional_mysqldump_params} --user=${mysql_user} --password=${mysql_password} ${database} | gzip > "${backup_dir}/${database}.sql.gz"
|
|
chmod 644 "${backup_dir}/${database}.sql.gz"
|
|
done
|
|
|
|
# compress the folder
|
|
# tar -zcvf "${backup_dir}.tar.gz" "${backup_dir}"
|
|
# rm -rf "${backup_dir}"
|
|
|
|
# Rotate backups
|
|
# Delete files older than 30 days
|
|
find $backup_parent_dir/ -type f -mtime +60 -delete;
|
|
# Delete empty directories
|
|
find $backup_parent_dir/ -type d -empty -delete;
|