python 脚本备份 mysql 数据库到 OSS

#!/usr/bin/python
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# Import required python libraries
import os
import time
import datetime

# MySQL database details to which backup to be done. Make sure below user having enough privileges to take databases backup.
# To take multiple databases backup, create any file like /backup/dbnames.txt and put databses names one on each line and assignd to DB_NAME variable.

DB_HOST = 'localhost'
DB_USER = 'root'
DB_USER_PASSWORD = ''
DB_NAME = '/home/dbbackup/dbnames.txt'
#DB_NAME = 'db_name'
BACKUP_PATH = '/mnt/backup/mysql/'

# Getting current datetime to create seprate backup folder like "12012013-071334".
DATETIME = time.strftime('%Y%m%d-%H%M%S')

TODAYBACKUPPATH = BACKUP_PATH + DATETIME

# Checking if backup folder already exists or not. If not exists will create it.
print "creating backup folder"
if not os.path.exists(TODAYBACKUPPATH):
os.makedirs(TODAYBACKUPPATH)

# Code for checking if you want to take single database backup or assinged multiple backups in DB_NAME.
print "checking for databases names file."
if os.path.exists(DB_NAME):
file1 = open(DB_NAME)
multi = 1
print "Databases file found..."
print "Starting backup of all dbs listed in file " + DB_NAME
else:
print "Databases file not found..."
print "Starting backup of database " + DB_NAME
multi = 0

# Starting actual database backup process.
if multi:
in_file = open(DB_NAME,"r")
flength = len(in_file.readlines())
in_file.close()
p = 1
dbfile = open(DB_NAME,"r")

while p <= flength:
db = dbfile.readline()   # reading database name from file
db = db[:-1]         # deletes extra line
dumpcmd = "mysqldump -u " + DB_USER + " -p" + DB_USER_PASSWORD + " " + db + " > " + TODAYBACKUPPATH + "/" + db + ".sql"
os.system(dumpcmd)
p = p + 1
dbfile.close()
else:
db = DB_NAME
dumpcmd = "mysqldump -u " + DB_USER + " -p" + DB_USER_PASSWORD + " " + db + " > " + TODAYBACKUPPATH + "/" + db + ".sql"
os.system(dumpcmd)

print "Backup script completed"
print "Your backups has been created in '" + TODAYBACKUPPATH + "' directory"

print "current path: " + os.getcwd()
os.chdir(BACKUP_PATH)
print "current path: " + os.getcwd()
compress_file = TODAYBACKUPPATH + ".tar.gzip"
print compress_file
compress_cmd = "tar -czvf " + compress_file + " " + DATETIME
print "compress_cmd " + compress_cmd
os.system(compress_cmd)
print "Compress success"

remove_cmd = "rm -rf " + TODAYBACKUPPATH
print "remove_cmd " + remove_cmd
os.system(remove_cmd)
print "Remove success"

print "Start put OSS"

import shutil
import oss2

access_key_id = ''
access_key_secret = ''
bucket_name = 'x-backup'
endpoint = 'oss-cn-hangzhou-internal.aliyuncs.com'

bucket = oss2.Bucket(oss2.Auth(access_key_id, access_key_secret), endpoint, bucket_name)
bucket.put_object_from_file('mysql/'+DATETIME+'.tar.gzip',compress_file)
print "Put OSS success"

*/5 * * * * python /home/dbbackup/dbbackup.py >> /home/dbbackup/mylog.log 2>&1