#!/usr/bin/env puthon
import pexpect
import sys
#定义目标主机
r_ip="IP_ADDRSS"
r_user="USERNAME"
r_passwd="PASSWORD"
#定义目标主机nginx日志文件
target_file="/path/to/nginx_access.log"
#运行ssh命令
child = pexpect.spawn('/usr/bin/ssh', [r_user+'@'+r_ip])
#输入输出写入日志文件
fout = file('mylog.txt','w')
child.logfile = fout
try:
child.expect('(?i)password')#匹配password字符串，(?i)不区分大小写
child.sendline(r_passwd)
child.expect('#')
child.sendline('tar -czf /path/to/nginx_access.tar.gz '+target_file)#打包日志文件
child.expect('#')
print child.before
child.sendline('exit')
fout.close()
except EOF: #定义异常处理
print "expect EOF"
except TIMEOUT: #定义超时处理
print "expect TIMEOUT"
child = pexpect.spawn('/usr/bin/scp', [r_user+'@'+r_ip+':/data/nginx_access.tar.gz','/home'])#scp命令拷贝文件
fout = file('mylog.txt','a')
child.logfile = fout
try:
child.expect('(?i)password')
child.sendline(passwd)
child.expect(pexpect.EOF)
except EOF:
print "expect EOF"
except TIMEOUT:
print "expect TIMEOUT"
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