mirror of
https://github.com/teddysun/across.git
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346 lines
10 KiB
Bash
346 lines
10 KiB
Bash
#!/usr/bin/env bash
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#
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# Auto backup script
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#
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# Copyright (C) 2016 Teddysun <i@teddysun.com>
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#
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# URL: https://teddysun.com/469.html
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#
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# You must to modify the config before run it!!!
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# Backup MySQL/MariaDB/Percona datebases, files and directories
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# Backup file is encrypted with AES256-cbc with SHA1 message-digest (option)
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# Auto transfer backup file to Google Drive (need install gdrive command) (option)
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# Auto transfer backup file to FTP server (option)
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# Auto delete Google Drive's or FTP server's remote file (option)
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#
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[[ $EUID -ne 0 ]] && echo "Error: This script must be run as root!" && exit 1
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########## START OF CONFIG ##########
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# Encrypt flag (true: encrypt, false: not encrypt)
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ENCRYPTFLG=true
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# WARNING: KEEP THE PASSWORD SAFE!!!
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# The password used to encrypt the backup
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# To decrypt backups made by this script, run the following command:
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# openssl enc -aes256 -in [encrypted backup] -out decrypted_backup.tgz -pass pass:[backup password] -d -md sha1
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BACKUPPASS="mypassword"
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# Directory to store backups
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LOCALDIR="/root/backups/"
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# Temporary directory used during backup creation
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TEMPDIR="/root/backups/temp/"
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# File to log the outcome of backups
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LOGFILE="/root/backups/backup.log"
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# OPTIONAL: If you want backup MySQL database, enter the MySQL root password below
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MYSQL_ROOT_PASSWORD=""
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# Below is a list of MySQL database name that will be backed up
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# If you want backup ALL databases, leave it blank.
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MYSQL_DATABASE_NAME[0]=""
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# Below is a list of files and directories that will be backed up in the tar backup
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# For example:
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# File: /data/www/default/test.tgz
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# Directory: /data/www/default/test
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BACKUP[0]=""
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# Number of days to store daily local backups (default 7 days)
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LOCALAGEDAILIES="7"
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# Delete Googole Drive's & FTP server's remote file flag (true: delete, false: not delete)
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DELETE_REMOTE_FILE_FLG=false
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# Upload to FTP server flag (true: upload, false: not upload)
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FTP_FLG=false
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# FTP server
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# OPTIONAL: If you want upload to FTP server, enter the Hostname or IP address below
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FTP_HOST=""
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# FTP username
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# OPTIONAL: If you want upload to FTP server, enter the FTP username below
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FTP_USER=""
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# FTP password
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# OPTIONAL: If you want upload to FTP server, enter the username's password below
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FTP_PASS=""
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# FTP server remote folder
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# OPTIONAL: If you want upload to FTP server, enter the FTP remote folder below
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# For example: public_html
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FTP_DIR=""
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########## END OF CONFIG ##########
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# Date & Time
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DAY=$(date +%d)
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MONTH=$(date +%m)
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YEAR=$(date +%C%y)
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BACKUPDATE=$(date +%Y%m%d%H%M%S)
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# Backup file name
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TARFILE="${LOCALDIR}""$(hostname)"_"${BACKUPDATE}".tgz
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# Encrypted backup file name
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ENC_TARFILE="${TARFILE}.enc"
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# Backup MySQL dump file name
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SQLFILE="${TEMPDIR}mysql_${BACKUPDATE}.sql"
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log() {
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echo "$(date "+%Y-%m-%d %H:%M:%S")" "$1"
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echo -e "$(date "+%Y-%m-%d %H:%M:%S")" "$1" >> ${LOGFILE}
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}
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# Check for list of mandatory binaries
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check_commands() {
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# This section checks for all of the binaries used in the backup
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BINARIES=( cat cd du date dirname echo openssl mysql mysqldump pwd rm tar ftp )
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# Iterate over the list of binaries, and if one isn't found, abort
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for BINARY in "${BINARIES[@]}"; do
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if [ ! "$(command -v "$BINARY")" ]; then
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log "$BINARY is not installed. Install it and try again"
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exit 1
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fi
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done
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# check gdrive command
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GDRIVE_COMMAND=false
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if [ "$(command -v "gdrive")" ]; then
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GDRIVE_COMMAND=true
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fi
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}
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calculate_size() {
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local file_name=$1
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local file_size=$(du -h $file_name 2>/dev/null | awk '{print $1}')
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if [ "x${file_size}" = "x" ]; then
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echo "unknown"
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else
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echo "${file_size}"
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fi
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}
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# Backup MySQL databases
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mysql_backup() {
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if [ -z ${MYSQL_ROOT_PASSWORD} ]; then
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log "MySQL root password not set, MySQL backup skipped"
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else
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log "MySQL dump start"
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mysql -u root -p"${MYSQL_ROOT_PASSWORD}" 2>/dev/null <<EOF
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exit
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EOF
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if [ $? -ne 0 ]; then
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log "MySQL root password is incorrect. Please check it and try again"
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exit 1
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fi
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if [ "${MYSQL_DATABASE_NAME[*]}" == "" ]; then
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mysqldump -u root -p"${MYSQL_ROOT_PASSWORD}" --all-databases > "${SQLFILE}" 2>/dev/null
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if [ $? -ne 0 ]; then
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log "MySQL all databases backup failed"
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exit 1
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fi
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log "MySQL all databases dump file name: ${SQLFILE}"
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#Add MySQL backup dump file to BACKUP list
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BACKUP=(${BACKUP[*]} ${SQLFILE})
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else
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for db in ${MYSQL_DATABASE_NAME[*]}
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do
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unset DBFILE
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DBFILE="${TEMPDIR}${db}_${BACKUPDATE}.sql"
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mysqldump -u root -p"${MYSQL_ROOT_PASSWORD}" ${db} > "${DBFILE}" 2>/dev/null
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if [ $? -ne 0 ]; then
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log "MySQL database name [${db}] backup failed, please check database name is correct and try again"
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exit 1
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fi
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log "MySQL database name [${db}] dump file name: ${DBFILE}"
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#Add MySQL backup dump file to BACKUP list
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BACKUP=(${BACKUP[*]} ${DBFILE})
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done
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fi
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log "MySQL dump completed"
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fi
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}
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start_backup() {
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[ "${BACKUP[*]}" == "" ] && echo "Error: You must to modify the [$(basename $0)] config before run it!" && exit 1
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log "Tar backup file start"
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tar -zcPf ${TARFILE} ${BACKUP[*]}
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if [ $? -gt 1 ]; then
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log "Tar backup file failed"
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exit 1
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fi
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log "Tar backup file completed"
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# Encrypt tar file
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if ${ENCRYPTFLG}; then
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log "Encrypt backup file start"
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openssl enc -aes256 -in "${TARFILE}" -out "${ENC_TARFILE}" -pass pass:"${BACKUPPASS}" -md sha1
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log "Encrypt backup file completed"
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# Delete unencrypted tar
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log "Delete unencrypted tar file: ${TARFILE}"
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rm -f ${TARFILE}
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fi
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# Delete MySQL temporary dump file
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for sql in `ls ${TEMPDIR}*.sql`
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do
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log "Delete MySQL temporary dump file: ${sql}"
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rm -f ${sql}
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done
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if ${ENCRYPTFLG}; then
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OUT_FILE="${ENC_TARFILE}"
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else
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OUT_FILE="${TARFILE}"
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fi
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log "File name: ${OUT_FILE}, File size: `calculate_size ${OUT_FILE}`"
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}
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# Transfer backup file to Google Drive
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# If you want to install gdrive command, please visit website:
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# https://github.com/prasmussen/gdrive
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# of cause, you can use below command to install it
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# For x86_64: wget -O /usr/bin/gdrive http://dl.lamp.sh/files/gdrive-linux-x64; chmod +x /usr/bin/gdrive
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# For i386: wget -O /usr/bin/gdrive http://dl.lamp.sh/files/gdrive-linux-386; chmod +x /usr/bin/gdrive
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gdrive_upload() {
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if ${GDRIVE_COMMAND}; then
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log "Tranferring backup file to Google Drive"
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gdrive upload --no-progress ${OUT_FILE} >> ${LOGFILE}
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if [ $? -ne 0 ]; then
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log "Error: Tranferring backup file to Google Drive failed"
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exit 1
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fi
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log "Tranferring backup file to Google Drive completed"
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fi
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}
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# Tranferring backup file to FTP server
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ftp_upload() {
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if ${FTP_FLG}; then
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[ -z ${FTP_HOST} ] && echo "Error: FTP_HOST can not be empty!" && exit 1
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[ -z ${FTP_USER} ] && echo "Error: FTP_USER can not be empty!" && exit 1
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[ -z ${FTP_PASS} ] && echo "Error: FTP_PASS can not be empty!" && exit 1
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[ -z ${FTP_DIR} ] && echo "Error: FTP_DIR can not be empty!" && exit 1
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local FTP_OUT_FILE=$(basename ${OUT_FILE})
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log "Tranferring backup file to FTP server"
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ftp -in ${FTP_HOST} 2>&1 >> ${LOGFILE} <<EOF
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user $FTP_USER $FTP_PASS
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binary
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lcd $LOCALDIR
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cd $FTP_DIR
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put $FTP_OUT_FILE
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quit
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EOF
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log "Tranferring backup file to FTP server completed"
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fi
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}
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# Get file date
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get_file_date() {
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#Approximate a 30-day month and 365-day year
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DAYS=$(( $((10#${YEAR}*365)) + $((10#${MONTH}*30)) + $((10#${DAY})) ))
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unset FILEYEAR FILEMONTH FILEDAY FILEDAYS FILEAGE
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FILEYEAR=$(echo "$1" | cut -d_ -f2 | cut -c 1-4)
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FILEMONTH=$(echo "$1" | cut -d_ -f2 | cut -c 5-6)
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FILEDAY=$(echo "$1" | cut -d_ -f2 | cut -c 7-8)
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if [[ "${FILEYEAR}" && "${FILEMONTH}" && "${FILEDAY}" ]]; then
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#Approximate a 30-day month and 365-day year
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FILEDAYS=$(( $((10#${FILEYEAR}*365)) + $((10#${FILEMONTH}*30)) + $((10#${FILEDAY})) ))
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FILEAGE=$(( 10#${DAYS} - 10#${FILEDAYS} ))
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return 0
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fi
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return 1
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}
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# Delete Google Drive's old backup file
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delete_gdrive_file() {
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local FILENAME=$1
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if ${DELETE_REMOTE_FILE_FLG} && ${GDRIVE_COMMAND}; then
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local FILEID=$(gdrive list -q "name = '${FILENAME}'" --no-header | awk '{print $1}')
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if [ -n ${FILEID} ]; then
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gdrive delete ${FILEID} >> ${LOGFILE}
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log "Google Drive's old backup file name: ${FILENAME} has been deleted"
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fi
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fi
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}
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# Delete FTP server's old backup file
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delete_ftp_file() {
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local FILENAME=$1
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if ${DELETE_REMOTE_FILE_FLG} && ${FTP_FLG}; then
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ftp -in ${FTP_HOST} 2>&1 >> ${LOGFILE} <<EOF
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user $FTP_USER $FTP_PASS
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cd $FTP_DIR
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del $FILENAME
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quit
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EOF
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log "FTP server's old backup file name: ${FILENAME} has been deleted"
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fi
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}
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# Clean up old file
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clean_up_files() {
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cd ${LOCALDIR} || exit
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if ${ENCRYPTFLG}; then
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LS=($(ls *.enc))
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else
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LS=($(ls *.tgz))
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fi
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for f in ${LS[@]}
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do
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get_file_date ${f}
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if [ $? == 0 ]; then
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if [[ ${FILEAGE} -gt ${LOCALAGEDAILIES} ]]; then
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rm -f ${f}
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log "Old backup file name: ${f} has been deleted"
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delete_gdrive_file ${f}
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delete_ftp_file ${f}
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fi
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fi
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done
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}
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# Main progress
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STARTTIME=$(date +%s)
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# Check if the backup folders exist and are writeable
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if [ ! -d "${LOCALDIR}" ]; then
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mkdir -p ${LOCALDIR}
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fi
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if [ ! -d "${TEMPDIR}" ]; then
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mkdir -p ${TEMPDIR}
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fi
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log "Backup progress start"
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check_commands
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mysql_backup
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start_backup
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log "Backup progress complete"
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log "Upload progress start"
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gdrive_upload
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ftp_upload
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log "Upload progress complete"
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clean_up_files
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ENDTIME=$(date +%s)
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DURATION=$((ENDTIME - STARTTIME))
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log "All done"
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log "Backup and transfer completed in ${DURATION} seconds"
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