started pgsql backup script

This commit is contained in:
Bachir Soussi Chiadmi 2021-04-29 14:43:46 +02:00
parent a8af6cff54
commit fcfeda8999

58
assets/pgsqlbackup.sh Normal file
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#!/bin/bash
# Simple script to backup postgresql databases
# Parent backup directory
backup_parent_dir="/var/backups/postgresql"
# MySQL settings
postgresql_user="root"
postgresql_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 postgresql databases
pgsql_databases=`echo 'show databases' | psql -h localhost -U postgres `
# 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;