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居正 authored 2018-05-20 13:56 . qiniu
#!/usr/bin/env bash
#
# Auto backup script
#
# Copyright (C) 2016 Teddysun <i@teddysun.com>
#
# URL: https://teddysun.com/469.html
#
# You must to modify the config before run it!!!
# Backup MySQL/MariaDB/Percona datebases, files and directories
# Backup file is encrypted with AES256-cbc with SHA1 message-digest (option)
# Auto transfer backup file to Google Drive (need install gdrive command) (option)
# Auto transfer backup file to FTP server (option)
# Auto delete Google Drive's or FTP server's remote file (option)
#
[[ $EUID -ne 0 ]] && echo "Error: This script must be run as root!" && exit 1
########## START OF CONFIG ##########
# Encrypt flag (true: encrypt, false: not encrypt)
ENCRYPTFLG=true
# WARNING: KEEP THE PASSWORD SAFE!!!
# The password used to encrypt the backup
# To decrypt backups made by this script, run the following command:
# openssl enc -aes256 -in [encrypted backup] -out decrypted_backup.tgz -pass pass:[backup password] -d -md sha1
BACKUPPASS="mypassword"
# Directory to store backups
LOCALDIR="/root/backups/"
# Temporary directory used during backup creation
TEMPDIR="/root/backups/temp/"
# File to log the outcome of backups
LOGFILE="/root/backups/backup.log"
# OPTIONAL: If you want backup MySQL database, enter the MySQL root password below
MYSQL_ROOT_PASSWORD=""
# Below is a list of MySQL database name that will be backed up
# If you want backup ALL databases, leave it blank.
MYSQL_DATABASE_NAME[0]=""
# Below is a list of files and directories that will be backed up in the tar backup
# For example:
# File: /data/www/default/test.tgz
# Directory: /data/www/default/test
BACKUP[0]=""
# Number of days to store daily local backups (default 7 days)
LOCALAGEDAILIES="7"
# Delete Googole Drive's & FTP server's remote file flag (true: delete, false: not delete)
DELETE_REMOTE_FILE_FLG=false
# Upload to Qiniu flag (true: upload, false: not upload)
ENABLE_QINIU=true
# Bucket for Qiniu
BUCKET=""
# Upload to FTP server flag (true: upload, false: not upload)
FTP_FLG=false
# FTP server
# OPTIONAL: If you want upload to FTP server, enter the Hostname or IP address below
FTP_HOST=""
# FTP username
# OPTIONAL: If you want upload to FTP server, enter the FTP username below
FTP_USER=""
# FTP password
# OPTIONAL: If you want upload to FTP server, enter the username's password below
FTP_PASS=""
# FTP server remote folder
# OPTIONAL: If you want upload to FTP server, enter the FTP remote folder below
# For example: public_html
FTP_DIR=""
########## END OF CONFIG ##########
# Date & Time
DAY=$(date +%d)
MONTH=$(date +%m)
YEAR=$(date +%C%y)
BACKUPDATE=$(date +%Y%m%d%H%M%S)
# Backup file name
TARFILE="${LOCALDIR}""$(hostname)"_"${BACKUPDATE}".tgz
# Encrypted backup file name
ENC_TARFILE="${TARFILE}.enc"
# Backup MySQL dump file name
SQLFILE="${TEMPDIR}mysql_${BACKUPDATE}.sql"
log() {
echo "$(date "+%Y-%m-%d %H:%M:%S")" "$1"
echo -e "$(date "+%Y-%m-%d %H:%M:%S")" "$1" >> ${LOGFILE}
}
# Check for list of mandatory binaries
check_commands() {
# This section checks for all of the binaries used in the backup
BINARIES=( cat cd du date dirname echo openssl mysql mysqldump pwd rm tar )
# Iterate over the list of binaries, and if one isn't found, abort
for BINARY in "${BINARIES[@]}"; do
if [ ! "$(command -v "$BINARY")" ]; then
log "$BINARY is not installed. Install it and try again"
exit 1
fi
done
# check gdrive command
GDRIVE_COMMAND=false
if [ "$(command -v "gdrive")" ]; then
GDRIVE_COMMAND=true
fi
# check ftp command
if ${FTP_FLG}; then
if [ ! "$(command -v "ftp")" ]; then
log "ftp is not installed. Install it and try again"
exit 1
fi
fi
}
calculate_size() {
local file_name=$1
local file_size=$(du -h $file_name 2>/dev/null | awk '{print $1}')
if [ "x${file_size}" = "x" ]; then
echo "unknown"
else
echo "${file_size}"
fi
}
# Backup MySQL databases
mysql_backup() {
if [ -z ${MYSQL_ROOT_PASSWORD} ]; then
log "MySQL root password not set, MySQL backup skipped"
else
log "MySQL dump start"
mysql -u root -p"${MYSQL_ROOT_PASSWORD}" 2>/dev/null <<EOF
exit
EOF
if [ $? -ne 0 ]; then
log "MySQL root password is incorrect. Please check it and try again"
exit 1
fi
if [ "${MYSQL_DATABASE_NAME[*]}" == "" ]; then
mysqldump -u root -p"${MYSQL_ROOT_PASSWORD}" --all-databases > "${SQLFILE}" 2>/dev/null
if [ $? -ne 0 ]; then
log "MySQL all databases backup failed"
exit 1
fi
log "MySQL all databases dump file name: ${SQLFILE}"
#Add MySQL backup dump file to BACKUP list
BACKUP=(${BACKUP[*]} ${SQLFILE})
else
for db in ${MYSQL_DATABASE_NAME[*]}
do
unset DBFILE
DBFILE="${TEMPDIR}${db}_${BACKUPDATE}.sql"
mysqldump -u root -p"${MYSQL_ROOT_PASSWORD}" ${db} > "${DBFILE}" 2>/dev/null
if [ $? -ne 0 ]; then
log "MySQL database name [${db}] backup failed, please check database name is correct and try again"
exit 1
fi
log "MySQL database name [${db}] dump file name: ${DBFILE}"
#Add MySQL backup dump file to BACKUP list
BACKUP=(${BACKUP[*]} ${DBFILE})
done
fi
log "MySQL dump completed"
fi
}
start_backup() {
[ "${BACKUP[*]}" == "" ] && echo "Error: You must to modify the [$(basename $0)] config before run it!" && exit 1
log "Tar backup file start"
tar -zcPf ${TARFILE} ${BACKUP[*]}
if [ $? -gt 1 ]; then
log "Tar backup file failed"
exit 1
fi
log "Tar backup file completed"
# Encrypt tar file
if ${ENCRYPTFLG}; then
log "Encrypt backup file start"
openssl enc -aes256 -in "${TARFILE}" -out "${ENC_TARFILE}" -pass pass:"${BACKUPPASS}" -md sha1
log "Encrypt backup file completed"
# Delete unencrypted tar
log "Delete unencrypted tar file: ${TARFILE}"
rm -f ${TARFILE}
fi
# Delete MySQL temporary dump file
for sql in `ls ${TEMPDIR}*.sql`
do
log "Delete MySQL temporary dump file: ${sql}"
rm -f ${sql}
done
if ${ENCRYPTFLG}; then
OUT_FILE="${ENC_TARFILE}"
else
OUT_FILE="${TARFILE}"
fi
log "File name: ${OUT_FILE}, File size: `calculate_size ${OUT_FILE}`"
}
# Transfer backup file to Google Drive
# If you want to install gdrive command, please visit website:
# https://github.com/prasmussen/gdrive
# of cause, you can use below command to install it
# For x86_64: wget -O /usr/bin/gdrive http://dl.lamp.sh/files/gdrive-linux-x64; chmod +x /usr/bin/gdrive
# For i386: wget -O /usr/bin/gdrive http://dl.lamp.sh/files/gdrive-linux-386; chmod +x /usr/bin/gdrive
gdrive_upload() {
if ${GDRIVE_COMMAND}; then
log "Tranferring backup file to Google Drive"
gdrive upload --no-progress ${OUT_FILE} >> ${LOGFILE}
if [ $? -ne 0 ]; then
log "Error: Tranferring backup file to Google Drive failed"
exit 1
fi
log "Tranferring backup file to Google Drive completed"
fi
}
# Tranferring backup file to FTP server
ftp_upload() {
if ${FTP_FLG}; then
[ -z ${FTP_HOST} ] && log "Error: FTP_HOST can not be empty!" && exit 1
[ -z ${FTP_USER} ] && log "Error: FTP_USER can not be empty!" && exit 1
[ -z ${FTP_PASS} ] && log "Error: FTP_PASS can not be empty!" && exit 1
[ -z ${FTP_DIR} ] && log "Error: FTP_DIR can not be empty!" && exit 1
local FTP_OUT_FILE=$(basename ${OUT_FILE})
log "Tranferring backup file to FTP server"
ftp -in ${FTP_HOST} 2>&1 >> ${LOGFILE} <<EOF
user $FTP_USER $FTP_PASS
binary
lcd $LOCALDIR
cd $FTP_DIR
put $FTP_OUT_FILE
quit
EOF
log "Tranferring backup file to FTP server completed"
fi
}
# Get file date
get_file_date() {
#Approximate a 30-day month and 365-day year
DAYS=$(( $((10#${YEAR}*365)) + $((10#${MONTH}*30)) + $((10#${DAY})) ))
unset FILEYEAR FILEMONTH FILEDAY FILEDAYS FILEAGE
FILEYEAR=$(echo "$1" | cut -d_ -f2 | cut -c 1-4)
FILEMONTH=$(echo "$1" | cut -d_ -f2 | cut -c 5-6)
FILEDAY=$(echo "$1" | cut -d_ -f2 | cut -c 7-8)
if [[ "${FILEYEAR}" && "${FILEMONTH}" && "${FILEDAY}" ]]; then
#Approximate a 30-day month and 365-day year
FILEDAYS=$(( $((10#${FILEYEAR}*365)) + $((10#${FILEMONTH}*30)) + $((10#${FILEDAY})) ))
FILEAGE=$(( 10#${DAYS} - 10#${FILEDAYS} ))
return 0
fi
return 1
}
# Delete Google Drive's old backup file
delete_gdrive_file() {
local FILENAME=$1
if ${DELETE_REMOTE_FILE_FLG} && ${GDRIVE_COMMAND}; then
local FILEID=$(gdrive list -q "name = '${FILENAME}'" --no-header | awk '{print $1}')
if [ -n ${FILEID} ]; then
gdrive delete ${FILEID} >> ${LOGFILE}
log "Google Drive's old backup file name: ${FILENAME} has been deleted"
fi
fi
}
# Delete FTP server's old backup file
delete_ftp_file() {
local FILENAME=$1
if ${DELETE_REMOTE_FILE_FLG} && ${FTP_FLG}; then
ftp -in ${FTP_HOST} 2>&1 >> ${LOGFILE} <<EOF
user $FTP_USER $FTP_PASS
cd $FTP_DIR
del $FILENAME
quit
EOF
log "FTP server's old backup file name: ${FILENAME} has been deleted"
fi
}
# Qiniu
qiniu_upload() {
if ${ENABLE_QINIU}; then
log "Tranferring backup file to Qiniu"
qshell rput ${BUCKET} ${OUT_FILE} ${OUT_FILE} true 1 >> ${LOGFILE}
if [ $? -ne 0 ]; then
log "Error: Tranferring backup file to Qiniu failed"
exit 1
fi
log "Tranferring backup file to Qiniu completed"
fi
}
# Clean up old file
clean_up_files() {
cd ${LOCALDIR} || exit
if ${ENCRYPTFLG}; then
LS=($(ls *.enc))
else
LS=($(ls *.tgz))
fi
for f in ${LS[@]}
do
get_file_date ${f}
if [ $? == 0 ]; then
if [[ ${FILEAGE} -gt ${LOCALAGEDAILIES} ]]; then
rm -f ${f}
log "Old backup file name: ${f} has been deleted"
delete_gdrive_file ${f}
delete_ftp_file ${f}
fi
fi
done
}
# Main progress
STARTTIME=$(date +%s)
# Check if the backup folders exist and are writeable
if [ ! -d "${LOCALDIR}" ]; then
mkdir -p ${LOCALDIR}
fi
if [ ! -d "${TEMPDIR}" ]; then
mkdir -p ${TEMPDIR}
fi
log "Backup progress start"
check_commands
mysql_backup
start_backup
log "Backup progress complete"
log "Upload progress start"
qiniu_upload
ftp_upload
log "Upload progress complete"
clean_up_files
ENDTIME=$(date +%s)
DURATION=$((ENDTIME - STARTTIME))
log "All done"
log "Backup and transfer completed in ${DURATION} seconds"

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