Backups Files¶

#!/usr/bin/env bash
# gunzip -c file.sql.gzip > dump.sql
# gpg --decrypt-files /tmp/file.gpg

dateTime=$(date +%Y-%m-%d-%H-%M-%S)
backupDir="/backups/files"
ownerUser="root"
ownerGroup="wheel"
oldDays=30

if [ -z $(getent group | cut -d ":" -f 1 | grep wheel) ]; then
    ownerGroup="root"
fi

dirs=(
/etc
/usr/local/etc
)

if [ ! -d "${backupDir}" ]; then
    mkdir "${backupDir}"
    chown "${ownerUser}:${ownerGroup}" "${backupDir}"
    chmod ug+rw "${backupDir}"
    chmod o-rwx "${backupDir}"
fi

cd "${backupDir}"

for dir in "${dirs[@]}"
do

    name=$(echo "${dir}" | sed 's#^/##g' | sed 's#/#_#g' | sed 's# #_#g')

    cd "${backupDir}"

    if [ ! -d "${name}" ]; then
        mkdir "${name}"
        chown "${ownerUser}:${ownerGroup}" "${name}"
        chmod ug+rw "${name}"
        chmod o-rwx "${name}"
    fi

    cd "${name}"
    echo "Backup ${dir} to ${currentBackupDir}"
    tar -cjf "${dateTime}_$(hostname)_${name}.tgz" "${dir}"

    countFiles=$(ls "./" | wc -l)
    # если количество файлов больше или равно 30
    if [ ${countFiles} -ge ${oldDays} ]; then
        echo "Delete old backups: count (${countFiles})"
        find ./ -name "*.tgz" -mdateTime +${oldDays} -type f -delete > /dev/null 2>&1
    else
        echo "No old dumps files"
    fi

done