$ tar -zcvf /home/manu/file_20042013.tar.gz /home/manu/files
$ scp -P 22 /home/manu/file_20042013.tar.gz sink@192.168.1.10:/home/sink/file_20042013.tar.gz
$ scp -P 22 /home/manu/file_20042013.tar.gz sink@192.168.1.10:/home/sink/file_20042013.tar.gz
Para hacer más ágil y rápido esto, decidí hacer un script en python el cual pasandole los parámetros necesarios te hace esto y además te comprueba el hash de ambos archivos.
Aquí os pongo el script en cuestion:
#!/usr/bin/env python
from optparse import OptionParser
import sys
import getpass
import string
import pexpect
import gzip
import tarfile
import hashlib
def md5_file(filepath):
fi = open(filepath, 'rb')
m = hashlib.md5()
while True:
data = fi.read(8192)
if not data:
break
m.update(data)
return m.hexdigest()
def comprimeD(path,tarball):
tar = tarfile.open(path+tarball.split('/')[3], "w:gz")
tar.add(path)
tar.close()
print "Compress in: %s md5 checksum:%s"%(path+tarball.split('/')[3],md5_file(path+tarball.split('/')[3]))
return path+tarball.split('/')[3]
def comprime(path,tarball):
if (tarball.split(".")[1] == "gz"):
f_in = open(path, 'rb')
f_out = gzip.open(path+'.gz', 'wb')
f_out.writelines(f_in)
f_out.close()
f_in.close()
print "Compress in: %s.gz md5 checksum:%s"%(path,md5_file(path+'.gz'))
path = path+'.gz'
elif (tarball.split(".")[1] == "tar"):
tar = tarfile.open(path+'.tar.gz', "w:gz")
tar.add(path)
tar.close()
print "Compress in: %s.tar.gz md5 checksum:%s"%(path,md5_file(path+'.tar.gz'))
path = path+ '.tar.gz'
return path
def conexion(host,port,user,password,filebackup,path):
child = pexpect.spawn('scp -P %s %s %s@%s:%s'%(port,filebackup,user,host,path))
child.expect ('assword:',timeout=10)
child.sendline (password)
data = child.read()
print data
child = pexpect.spawn('ssh %s@%s -p %s \'md5sum %s\''%(user,host,port,path))
child.expect ('assword:',timeout=10)
child.sendline (password)
data = child.read()
child.close()
if (data.replace('\r\n','').split(' ')[1] == md5_file(filebackup)):
print "Backup complete (md5sum OK)"
else:
print "Error: bad checksum"
def opciones():
parser = OptionParser("usage: %prog [options] \nExample: ./backupSSH.py -f /home/manu/file -u sink -s 192.168.1.10:22 -o /home/sink/file2 \nExample: ./backupSSH.py -c -d /home/manu/ -u sink -s 192.168.1.10:22 -o /home/sink/home_manu.tar.gz \nExample: ./backupSSH.py -c -u sink -f /home/manu/file -s 192.168.1.10:22 -o /home/sink/file.tar.gz")
parser.add_option("-u", "--user",
action="store", type="string", dest="user", help="Nombre del usuario")
parser.add_option("-d", "--directory",
action="store", type="string", dest="directory", help="Directorio del cual queremos hacer backup")
parser.add_option("-f", "--file",
action="store", type="string", dest="file", help="Fichero del cual queremos hacer backup")
parser.add_option("-o", "--output",
action="store", type="string", dest="output", help="Fichero o directorio destino en el servidor remoto")
parser.add_option("-c", "--compress",
action="store_true", dest="compress", help="Comprimir el backup usando gzip")
parser.add_option("-s", "--server",
action="store", type="string", dest="server", help="Servidor SSH y puerto. Sintaxis server:port")
(options, args) = parser.parse_args()
if (len(sys.argv) == 1):
parser.print_help()
elif (options.compress):
if (options.user != None) and (options.server != None) and ((options.directory != None) or (options.file != None)) and (options.output != None):
if (options.directory != None):
password = getpass.getpass()
conexion(options.server.split(":")[0],options.server.split(":")[1],options.user,password,comprimeD(options.directory,options.output),options.output)
elif (options.file != None):
password = getpass.getpass()
conexion(options.server.split(":")[0],options.server.split(":")[1],options.user,password,comprime(options.file,options.output),options.output)
elif (options.user != None) and (options.server != None) and ((options.directory != None) or (options.file != None)) and (options.output != None):
password = getpass.getpass()
conexion(options.server.split(":")[0],options.server.split(":")[1],options.user,password,options.file,options.output)
if __name__=="__main__":
opciones()
Espero que os sirva. :)
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