mysql + web path bkp script with asset encoded using gpg

script backup

#!/bin/bash

readonly BKP_TIME_STAMP=$(date +"%Y-%m-%d")
readonly BKP_PATH_NAME=bkp-$BKP_TIME_STAMP
readonly RECIPIENT_MAIL="rm85297@fiap.com.br"

function check_mysql_config_file() {
  if [[ ! -f ./.my.cnf ]]
  then
      echo "Arquivo configuração do mysql não existe"
      echo "crie um arquivo .my.cnf com as infos necessárias"
      exit 1
  fi
}


function check_gpg_pass_file() {
  if [[ ! -f ./.gpg_pass ]]
  then
      echo "Arquivo de senha gpg não existe"
      echo "crie um arquivo .gpg_pass contendo a senha do gpg em base64"
      exit 1
  fi
}

function backup_database() {
  readonly DB_BKP_FILE_NAME=feirinha_mysql_$BKP_TIME_STAMP.dump
  echo "[Working] Backuping Mysql Data"
  mysqldump --defaults-file=../.my.cnf feirinha > $DB_BKP_FILE_NAME
  bzip2 -zq $DB_BKP_FILE_NAME
  echo "[OK] Backuping Mysql Data"
}

function backup_wordpress() {
  readonly WP_BKP_FILE_NAME=feirinha_$BKP_TIME_STAMP.tar.bz2
  echo "[Working] Backuping Wordpress Files"
  mkdir -p ./wordpress
  cp -r /var/www/html/* ./wordpress/
  tar -cjf $WP_BKP_FILE_NAME ./wordpress/
  echo "[OK] Backuping Wordpress Files"
}

function encode_zip_files() {
  readonly DECODED_GPG_PASS=$(cat ../.gpg_pass | base64 -d)
  echo "[working] Encoding file all zipfile"
  for zipfile in $(find ./* -name "*.bz2"); do
    echo "[working] Encoding file ${zipfile}"
    gpg --homedir /home/aschiavon/.gnupg \
    	--batch --yes \
        -r $RECIPIENT_MAIL -o "$zipfile".enc \
        --passphrase $DECODED_GPG_PASS \
        --pinentry-mode loopback \
        --sign --armor \
        --encrypt "$zipfile"
    echo "[OK] Encoding file ${zipfile}"
  done
  echo "[OK] Encoding file all zipfile"
}

function extract_encripted_files() {
  for encfile in $(find ./$BKP_PATH_NAME/* -name "*.enc"); do
    echo "[working] Encoding file all zipfile"
    mv $encfile .
    echo "[OK] Encoding file all zipfile"
  done
}

function cleanup() {
  echo "[working] Cleaning things"
  rm -fr ./$BKP_PATH_NAME
  rm -fr *.bz2
  echo "[OK] Cleaning things"
}

function backup() {
  cd /etc/backups
  check_mysql_config_file
  check_gpg_pass_file
  mkdir -p $BKP_PATH_NAME
  cd $BKP_PATH_NAME
  backup_database
  backup_wordpress
  encode_zip_files
  cd ../
  extract_encripted_files
  cleanup
}

function restore() {
  echo "Decodando todos os arquivos .enc nesta pasta"
  for encoded_file in $(find ./* -name "*.enc"); do
    echo "[Decripting] ${encoded_file}"
    gpg -d $encoded_file > ${encoded_file//.enc/}
    echo "[Decripted] ${encoded_file}"
  done

  for bzip_file in $(find ./* -name "*.bz2"); do
    echo "[Decompressing] $bzip_file"
    bzip2 -d $bzip_file
    echo "[Decompressed] $bzip_file"
  done

  for tar_file in $(find ./* -name "*.tar"); do
    echo "[Unziping] $tar_file"
    tar -xf $tar_file
    echo "[Unziped] $tar_file"
  done
}

case $1 in
backup | BACKUP ) backup ;;
restore | RESTORE ) restore ;;
*) echo "Opção inválida" ;;
esac