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Add a skip_on_prompts #521

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reeesga opened this Issue Jan 2, 2012 · 2 comments

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@reeesga

reeesga commented Jan 2, 2012

If I cronjob a fabric task towards multiple hosts (-H ) and one of them has e.g. changed password, the session hangs, asking for a password. If I set the "abort_on_prompts", the session exits instead, and the rest of nodes in the role are never tasked.

So I'm needing something like a "skip_on_prompts" for my fully automated fabfile.

Can I make up this behaviour somehow? I tried setting env.abort_on_prompts=True, then wrapping into a warn_only=True, but the abort proceeds anyway.

Or, put in another way, warn_only=True should take precedence over abort_on_prompts=True.

@reeesga

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reeesga commented Jan 2, 2012

Ok, so I just found a workaround for this by catching the abort exception;

 with settings(user=host_user, password=host_password, abort_on_prompts=True):
     # Try to SSH into the node and run a simple command
     try:
         run('pwd')
     except SystemExit, e:
         print 'SSH login into %s failed!' % env.host
     else:
         print 'SSH login into %s was ok' % env.host
@KarnG

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KarnG commented Aug 13, 2016

Hello Experts, I am newbie into the fabric, i have the same problem "password prompt" if it has wrong password, How i can customise by below fab file..

import sys
from fabric.api import *
env.skip_bad_hosts=True
env.command_timeout=160
env.user = 'user1'
env.shell = "/bin/sh -c"
env.warn_only = True
env.abort_on_prompts = True
env.password = 'pass123'
def readH():
env.hosts = [line.strip() for line in sys.stdin.readlines()]

def cpam():
with settings(warn_only=True):
output=sudo("/grid/it/bin/cyberAddHost.sh",shell=False)

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