Python 无法使用Paramiko忽略socket.timeout错误
我正在尝试SSH到一堆路由器中,并从每个路由器中获取一些信息。某些路由器IP可能无效,因为它们是从循环中获取的。对于不存在的脚本,我得到一个socket.timeout错误(显然),脚本将在该点退出执行。我希望python忽略这个错误,并继续进行其余的迭代。我已经包含了except/pass/continue命令,但它们似乎没有完成它们的工作,我仍然收到socket.timeout错误并退出脚本:Python 无法使用Paramiko忽略socket.timeout错误,python,sockets,exception-handling,paramiko,Python,Sockets,Exception Handling,Paramiko,我正在尝试SSH到一堆路由器中,并从每个路由器中获取一些信息。某些路由器IP可能无效,因为它们是从循环中获取的。对于不存在的脚本,我得到一个socket.timeout错误(显然),脚本将在该点退出执行。我希望python忽略这个错误,并继续进行其余的迭代。我已经包含了except/pass/continue命令,但它们似乎没有完成它们的工作,我仍然收到socket.timeout错误并退出脚本: import paramiko import socket import subprocess i
import paramiko
import socket
import subprocess
import time
site = ['sao2','mia2','par2','scs2','sin4','sjl1','syd3','tok2','tor1','wdc1','akl1','chc1','chi2','cop2','dal1','fra2']
csr_hostname = 'csr_1'
csr_pass = str('*******')
username = str('test_user')
csrcmd = 'sh ver \n'
f = open ("version_output.txt", 'r+')
#*********************************************************************
for DC in site :
y = str(DC)
mcp = socket.gethostbyname(y)
mcpip = mcp.split('.')
mcpip2 = int(mcpip[0])
mcpip3 = int(mcpip[1])
mcpip4 = int(mcpip[2])
print (DC + ":")
f.write('\n')
f.write(DC)
f.write('\n=====\n')
for i in range(5,33):
x=37+(2*i)
mcpcsr = (str(mcpip2) + ('.') + str(mcpip3)+ ('.') + str(mcpip4)+ ('.') + str(x))
fqdn1=(str(i)+'-01.'+str(DC))
print i
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(mcpcsr, username=username, password=csr_pass, look_for_keys = False, allow_agent = False, timeout=10)
router_channel = ssh.invoke_shell()
router_channel.settimeout(2)
try :
buff = ''
router_channel.send(csrcmd)
time.sleep(1)
buff = router_channel.recv(99999)
for item in buff.split("\n"):
if "Cisco IOS XE Software, Version" in item :
csrver = (fqdn1 + " : " + item.strip())
if "Cisco IOS Software" in item :
csrver1 = (item.strip())
print csrver
print csrver1
f.write(csrver)
f.write('\n')
f.write(csrver1)
f.write('\n')
fqdn1 = ''
ssh.close()
#*********************************************************************
except socket.timeout:
print ("bla bla")
pass
continue
except socket.error :
print ("bla bla")
pass
continue
except paramiko.SSHException, socket.error :
print ("bla bla")
pass
continue
except Exception :
print ("bla bla")
pass
continue
#*********************************************************************
输出:
Traceback (most recent call last):
File "csrnum.py", line 36, in ?
ssh.connect(mcpcsr, username=username, password=csr_pass, look_for_keys = False, allow_agent = False, timeout=10)
File "/usr/lib/python2.4/site-packages/paramiko/client.py", line 291, in connect
sock.connect(addr)
File "<string>", line 1, in connect
socket.timeout: timed out
回溯(最近一次呼叫最后一次):
文件“csrnum.py”,第36行,在?
连接(MCPCRS,用户名=用户名,密码=csr\u密码,查找\u密钥=False,允许\u代理=False,超时=10)
文件“/usr/lib/python2.4/site packages/paramiko/client.py”,第291行,在connect中
sock.connect(地址)
文件“”,第1行,在connect中
socket.timeout:超时
对此,我们将不胜感激 找到了!异常设置的缩进比尝试ssh连接的缩进多一个缩进。对代码进行了一个小的更改以适应此情况,异常正在按预期工作