Hi All,
I have been chasing an intermittent issue. I have tried multiple versions of
paramiko (1.10, 1.11, 1.12) and fabric (1.6, 1.8). My test bed is currently
running Python 2.7, Fabric 1.8.1, Paramiko 1.12.1 and Crypto 2.6.1. I am using
public key authentication and the authentication fails about 1 out of 100
times. The code below reproduces the issue:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on Tue Jan 28 08:13:08 2014
@author: dney
"""
from fabric.api import *
env.key_filename = '/home/dney/.ssh/key.pub'
env.hosts = [ '192.168.224.63' ]
env.shell = '/bin/sh -c'
env.path = '/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin'
env.user = 'root'
env.eagerly_disconnect = True
@task
def run_hostname():
run('hostname')
for x in xrange(1000):
execute(run_hostname)
print 'Ran ', x, ' times'
When the code above is run, it eventually hits the exception in client.py at
line 470. At the time of the exception, the server-side of the session displays:
Jan 1 02:43:58 ut authpriv.warn dropbear[8649]: pubkey auth bad signature for
'root'
So I guess the private key is not being generated in correctly and causes the
signing encryption of the key to be incorrect 1% of the time. I was wondering
if anyone has any insights into this issue and how to fix it?
Thanks in advance,
Dan
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