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我是新來的Python使用腳本SSH（W /或期望的paramiko）如預期
我想寫Python腳本中使用SSH 此重新啓動機器不工作就是我的功能：
def sendCommandViaSSH(usr,psswrd,command):
line = 'ssh '+ usr +'@'+ RIp + ' ' +"\""+ command+"\""
print_message(line)
child = pexpect.spawn (line)
#i = child.expect('Are you sure you want to continue connecting (yes/no)?')
i = child.expect (['Are you sure you want to continue connecting (yes/no)?', pexpect.EOF, pexpect.TIMEOUT],2)
print_message(i)
if i == 0:
child.sendline ('yes')
i = child.expect(['s password:', pexpect.EOF, pexpect.TIMEOUT])
print_message(i)
if i == 0:
print_message(psswrd)
child.sendline (psswrd)
我的問題是不工作 如果我手動運行相同的命令一切運作良好
輸出示例：
ssh [email protected] "shutdown -k now"
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MyPsswrd
如果我只是複製/輸出貼吧的作品 我的機器和我的遠程均爲RedHat6.4 它是一個沒有任何安全性的變化，我知道
有什麼問題或者有什麼其他辦法這個可以做到 ？
編輯： 閱讀評論後，我已經搬到（回）來使用paramiko_1.17.1 module 但是......問題仍然存在
：
1.code that i wrote so far
2.output that I get using it (while encountering the same problem of not working commands)
這裏是我的新代碼：
import paramiko
import logging
logging.basicConfig(level=logging.DEBUG)
def exec_paramiko(ssh, command):
print_message("executing '{0}' on remote machine".format(command))
chan = ssh.get_transport().open_session()
chan.get_pty()
f = chan.makefile()
chan.exec_command(command)
flag=True
exit_code=None
output=""
while True:
if chan.recv_ready():
output+=(chan.recv(4096).decode('ascii') + "\n")
if chan.recv_stderr_ready():
output+=("error: {0}".format(chan.recv_stderr(4096).decode('ascii')))
if chan.exit_status_ready():
output+=(chan.recv(4096).decode('ascii') + "\n")
error_string=0
if chan.recv_stderr_ready():
error_string=chan.recv_stderr(4096).decode('ascii')
exit_code = chan.recv_exit_status()
if exit_code != 0:
output+="\nerror: {0}".format(error_string)
break
return exit_code, output
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(hostname="10.xx.xx.xx",username="usr",password="psswrd",allow_agent=False,look_for_keys=False, timeout=20)
exit_code, output = exec_paramiko(ssh,'shutdown -k now')
print "error code: {0} message: {1}".format(exit_code, output)
輸出：
DEBUG:paramiko.transport:starting thread (client mode): 0xdb17c310L
DEBUG:paramiko.transport:Local version/idstring: SSH-2.0-paramiko_1.17.1
DEBUG:paramiko.transport:Remote version/idstring: SSH-2.0-OpenSSH_5.3
INFO:paramiko.transport:Connected (version 2.0, client OpenSSH_5.3)
DEBUG:paramiko.transport:kex algos:[u'diffie-hellman-group-exchange-sha256', u'diffie-hellman-group-exchange-sha1', u'diffie-hellman-group14-sha1', u'diffie-hellman-group1-sha1'] server key:[u'ssh-rsa', u'ssh-dss'] client encrypt:[u'aes128-ctr', u'aes192-ctr', u'aes256-ctr', u'arcfour256', u'arcfour128', u'aes128-cbc', u'3des-cbc', u'blowfish-cbc', u'cast128-cbc', u'aes192-cbc', u'aes256-cbc', u'arcfour', u'[email protected]'] server encrypt:[u'aes128-ctr', u'aes192-ctr', u'aes256-ctr', u'arcfour256', u'arcfour128', u'aes128-cbc', u'3des-cbc', u'blowfish-cbc', u'cast128-cbc', u'aes192-cbc', u'aes256-cbc', u'arcfour', u'[email protected]'] client mac:[u'hmac-md5', u'hmac-sha1', u'[email protected]', u'hmac-ripemd160', u'[email protected]', u'hmac-sha1-96', u'hmac-md5-96'] server mac:[u'hmac-md5', u'hmac-sha1', u'[email protected]', u'hmac-ripemd160', u'[email protected]', u'hmac-sha1-96', u'hmac-md5-96'] client compress:[u'none', u'[email protected]'] server compress:[u'none', u'[email protected]'] client lang:[u''] server lang:[u''] kex follows?False
DEBUG:paramiko.transport:Kex agreed: diffie-hellman-group1-sha1
DEBUG:paramiko.transport:Cipher agreed: aes128-ctr
DEBUG:paramiko.transport:MAC agreed: hmac-md5
DEBUG:paramiko.transport:Compression agreed: none
DEBUG:paramiko.transport:kex engine KexGroup1 specified hash_algo <built-in function openssl_sha1>
DEBUG:paramiko.transport:Switch to new keys ...
DEBUG:paramiko.transport:Adding ssh-rsa host key for xx.xx.xx.xx: 0c13035c7e4c0e3999d1c85215e97394
DEBUG:paramiko.transport:userauth is OK
INFO:paramiko.transport:Authentication (password) successful!
DEBUG:paramiko.transport:[chan 0] Max packet in: 32768 bytes
DEBUG:paramiko.transport:[chan 0] Max packet out: 32768 bytes
DEBUG:paramiko.transport:Secsh channel 0 opened.
DEBUG:paramiko.transport:[chan 0] Sesch channel 0 request ok
INFO:paramiko.transport.sftp:[chan 0] Opened sftp connection (server version 3)
shutting down
executing 'shutdown -k now' on remote machine
DEBUG:paramiko.transport:[chan 1] Max packet in: 32768 bytes
DEBUG:paramiko.transport:[chan 1] Max packet out: 32768 bytes
DEBUG:paramiko.transport:Secsh channel 1 opened.
DEBUG:paramiko.transport:[chan 1] Sesch channel 1 request ok
DEBUG:paramiko.transport:[chan 1] Sesch channel 1 request ok
DEBUG:paramiko.transport:[chan 1] EOF received (1)
DEBUG:paramiko.transport:[chan 1] EOF sent (1)
error code: 0 message:
DEBUG:paramiko.transport:EOF in transport thread
自動化SSH是公共密鑰，因爲這樣你不容易不得不輸入密碼。 – melpomene
公鑰中的含義是什麼？我不熟悉 – LordTitiKaka
@LordTitiKaka它的ssh可以用什麼加密它的數據。請參閱https://www.youtube.com/watch?v=GSIDS_lvRv4 –