bash backuper

backuper

#!/usr/bin/env bash

PATH_TO_BACKUPS=/backup
PATH_FROM_BACKUPS=("/home/path_1" "/home/path_2")
DATABASES=("db_name_1" "db_name_2")
DB_USER="root"
DB_PASSWORD=""
DELETE_AFTER_DAYS=3

if [ ! -d $PATH_TO_BACKUPS ]; then
    if ! mkdir $PATH_TO_BACKUPS; then
        exit $?
    fi
fi

cd $PATH_TO_BACKUPS || exit $?

if [ ! -w $PATH_TO_BACKUPS ]; then
    echo "directory $PATH_TO_BACKUPS exists but not writeble"
    exit 1
fi

find $PATH_TO_BACKUPS -type f -name "*.gz" -mtime +"$DELETE_AFTER_DAYS" -exec rm -rf {} \;

for path in "${PATH_FROM_BACKUPS[@]}"; do
    basename=$(basename "$path" || exit $?)
    time="$(date '+%Y-%m-%d-%H-%M-%S')"
    tar -czf "files_${basename}_${time}.tar.gz" -C "$path" ./ || exit $?
done

for db_name in "${DATABASES[@]}"; do
    time="$(date '+%Y-%m-%d-%H-%M-%S')"
    if [[ -n "${DB_PASSWORD}" ]]; then
        mysqldump -u"$DB_USER" -p"$DB_PASSWORD" "$db_name" | gzip >"db_${db_name}_${time}.gz"
    else
        mysqldump -u"$DB_USER" "$db_name" | gzip >"db_${db_name}_${time}.gz"
    fi
done