python 利用pexpect进行多机
在安装之前，确认你的机器安装了python,和easy_install.通常Python是自动安装的，如果没有安装easy_install，那么wget -q Http://peak.telecommUnity.com/dist/ez_setup.py 获取一下
python ez_setup.py
pexpect是python一个模块，可以通过：easy_install pexpect 来安装。
这里主要是用pexpect执行ssh，查看远程uptime和df -h看硬盘状况。
这里主要是用pexpect执行ssh，查看远程uptime和df -h看硬盘状况。
#ssh_cmd.py
#coding:utf-8
import pexpect
def ssh_cmd(ip, user, passwd, cmd):
ssh = pexpect.spawn('ssh %s@%s "%s"' % (user, ip, cmd))
r = ''
try:
i = ssh.expect(['passWord: ', 'continue connecting (yes/no)?'])
if i == 0 :
ssh.sendline(passwd)
elif i == 1:
ssh.sendline('yes')
except pexpect.EOF:
ssh.close()
else:
r = ssh.read()
ssh.expect(pexpect.EOF)
ssh.close()
return r
hosts = '''
192.168.0.12:smallfish:1234:df -h,uptime
192.168.0.13:smallfish:1234:df -h,uptime
'''
for host in hosts.split("/n"):
if host:
ip, user, passwd, cmds = host.split(":")
for cmd in cmds.split(","):
print "-- %s run:%s --" % (ip, cmd)
print ssh_cmd(ip, user, passwd, cmd)
#coding:utf-8
import pexpect
def ssh_cmd(ip, user, passwd, cmd):
ssh = pexpect.spawn('ssh %s@%s "%s"' % (user, ip, cmd))
r = ''
try:
i = ssh.expect(['passWord: ', 'continue connecting (yes/no)?'])
if i == 0 :
ssh.sendline(passwd)
elif i == 1:
ssh.sendline('yes')
except pexpect.EOF:
ssh.close()
else:
r = ssh.read()
ssh.expect(pexpect.EOF)
ssh.close()
return r
hosts = '''
192.168.0.12:smallfish:1234:df -h,uptime
192.168.0.13:smallfish:1234:df -h,uptime
'''
for host in hosts.split("/n"):
if host:
ip, user, passwd, cmds = host.split(":")
for cmd in cmds.split(","):
print "-- %s run:%s --" % (ip, cmd)
print ssh_cmd(ip, user, passwd, cmd)
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