Are there any differences between the centos 7 box that works and the new
one? I would be looking at a recent package updates.


On Thu, Sep 4, 2014 at 2:12 PM, Willard Dennis <[email protected]>
wrote:

> I can indeed SSH straight in (using 'root' with password.)
>
> I made sure "PermitRootLogin" was explicitly set to 'yes' in sshd_config,
> restarted sshd, and tried again. The Ansible command still hangs, and no
> messages in /var/log/secure, other than when I kill the Ansible process, it
> reports "Connection closed":
>
> Sep  4 14:06:34 problem-svr sshd[1457]: Received signal 15; terminating.
> Sep  4 14:06:34 problem-svr sshd[17358]: Server listening on 0.0.0.0 port
> 22.
> Sep  4 14:06:34 problem-svr sshd[17358]: Server listening on :: port 22.
> Sep  4 14:07:16 problem-svr sshd[17360]: Connection closed by
> 192.168.180.53 [preauth]
>
> Very strange & frustrating...
>
>
> On Thursday, September 4, 2014 1:40:58 PM UTC-4, Dick Davies wrote:
>
>> Huh weird - I've started porting some of our centos6 play books over
>> to centos7 and didn't have
>> any trouble (OSX client, pure ssh transport) but that was using SSH
>> pubkey auth.
>>
>> Maybe there's something up with the way centos7 does password auth?
>>
>> I'm guessing you can ssh straight in as the ansible user with the same
>> pass etc?
>> (If not, fix that first :)  )
>>
>> If so I'd check /var/log/secure and see if there are any differences
>> in how sshd is
>> seeing the sessions of the ansible connection vs. your vanilla ssh
>> client.
>>
>>
>>
>> On 4 September 2014 18:04, Willard Dennis <[email protected]> wrote:
>> > Hi all,
>> >
>> >
>> > I just installed CentOS 7 on a new machine, and 'yum update'-ed it to
>> pick
>> > up the latest packages. Here's the output of 'uname -a' and
>> > '/etc/redhat-release':
>> >
>> > [root@problem-svr ~]# uname -a
>> > Linux problem-svr.mycompany.com 3.10.0-123.6.3.el7.x86_64 #1 SMP Wed
>> Aug 6
>> > 21:12:36 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
>> > [root@problem-svr ~]# cat /etc/redhat-release
>> > CentOS Linux release 7.0.1406 (Core)
>> >
>> >
>> > When I try to do anything with Ansible (v1.7.1 running on Ubuntu
>> 12.04.5)
>> > against this box, it just hangs (even '-m ping') When I throw the
>> '-vvvv' on
>> > the run, here's what I see:
>> >
>> >
>> > will@wdennis-p390:~/ansible-stuff$ ansible -vvvv problem-svr -u root
>> -k -i
>> > test -m setup
>> > SSH password:
>> > <problem-svr> ESTABLISH CONNECTION FOR USER: root
>> > <problem-svr> REMOTE_MODULE setup
>> > <problem-svr> EXEC ['sshpass', '-d6', 'ssh', '-C', '-tt', '-vvv', '-o',
>> > 'ControlMaster=auto', '-o', 'ControlPersist=60s', '-o',
>> > 'ControlPath=/home/will/.ansible/cp/ansible-ssh-%h-%p-%r', '-o',
>> 'Port=22',
>> > '-o', 'GSSAPIAuthentication=no', '-o', 'PubkeyAuthentication=no', '-o',
>> > 'User=root', '-o', 'ConnectTimeout=10', 'problem-svr-new', "/bin/sh -c
>> > 'mkdir -p $HOME/.ansible/tmp/ansible-tmp-1409846776.31-88290040276656
>> &&
>> > echo $HOME/.ansible/tmp/ansible-tmp-1409846776.31-88290040276656'"]
>> >
>> >
>> > I do see a SSH session initiated on the host:
>> >
>> >
>> > [root@problem-svr ~]# ss -4 -t
>> > State Recv-Q Send-Q Local Address:Port Peer Address:Port
>> > ESTAB 0 208 192.168.180.22:ssh 192.168.180.50:63172
>> > [root@problem-svr ~]# ss -4 -t
>> > State Recv-Q Send-Q Local Address:Port Peer Address:Port
>> > ESTAB 0 0 192.168.180.22:ssh 192.168.180.53:42717 <--- Ansible session
>> > ESTAB 0 0 192.168.180.22:ssh 192.168.180.50:63172
>> >
>> >
>> > But then, the session just times out and finally drops:
>> >
>> >
>> > State Recv-Q Send-Q Local Address:Port Peer Address:Port
>> > FIN-WAIT-2 0 0 192.168.180.22:ssh 192.168.180.53:42717
>> > ESTAB 0 208 192.168.180.22:ssh 192.168.180.50:63172
>> > [root@problem-svr ~]# ss -4 -t
>> > State Recv-Q Send-Q Local Address:Port Peer Address:Port
>> > ESTAB 0 208 192.168.180.22:ssh 192.168.180.50:63172
>> >
>> >
>> > Meanwhile, the Ansible process on the control machine keeps trying
>> (i.e.,
>> > does not die when the session ends) and eventually, I kill it with a
>> Ctrl-C.
>> >
>> > I did already try setting SELinux to "disabled" on the CentOS 7 box,
>> and
>> > turning off the 'firewalld' service (does not seem to make a
>> difference.)
>> >
>> > I do have another CentOS 7 box that I can successfully run Ansible
>> against,
>> > so I think it's just something strange on the target CentOS 7 box...
>> How can
>> > I further debug this?
>> >
>> >
>> > Thanks,
>> > Will
>> >
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