On Fri, Dec 29, 2017 at 3:05 PM, Abdurrahman A. Ibrahim <
a.rahman.at...@gmail.com> wrote:

> Hi all,
>
> - Here is a simple architecture for my demo deployment using KVM VMs:
> 1) rhevm1.ab.lab -> oVirt Engine (CentOS 7.4 x86_64)
> 2) rhevh1.ab.lab -> oVirt Enterprise Linux Host (CentOS 7.4 x86_64)
> 3) rhevh2.ab.lab ->  oVirt Enterprise Linux Host (CentOS 7.4 x86_64)
>
> - How to reproduce issue:
> 1) I installed 'ovirt-engine' successfully.
>
> 2) I tried to add 'rhevh1.ab.lab' from 'rhevm1.ab.lab' using SSH public
> key.
>

​Hi,

could you please try to connect using root password instead of SSH public
key? If root password option works, could you please create a bug for this
issue?

Thanks

Martin
​

>
>     Everything was OK until I had the following error message:
>     "Host rhevh1 installation failed. Failed to execute Ansible
> host-deploy role. Please check logs for more details:
> /var/log/ovirt-engine/host-deploy/ovirt-host-deploy-
> ansible-20171229144439-rhevh1.ab.lab-13b2b5c4.log."
>
>     Checking log file showed the following:
>     [root@rhevm1 tmp]# cat /var/log/ovirt-engine/host-
> deploy/ovirt-host-deploy-ansible-20171229144439-rhevh1.ab.lab-13b2b5c4.log
>     2017-12-29 14:44:40,320 p=9666 u=ovirt |  [DEPRECATION WARNING]: The
> use of 'include' for tasks has been deprecated. Use
>     ' import_tasks' for static inclusions or 'include_tasks' for dynamic
> inclusions.
>     This feature will be removed in a future release. Deprecation warnings
> can be
>     disabled by setting deprecation_warnings=False in ansible.cfg.
>     2017-12-29 14:44:40,321 p=9666 u=ovirt |  [DEPRECATION WARNING]:
> include is kept for backwards compatibility but usage is
>     discouraged. The module documentation details page may explain more
> about this
>     rationale.. This feature will be removed in a future release.
> Deprecation
>     warnings can be disabled by setting deprecation_warnings=False in
> ansible.cfg.
>     2017-12-29 14:44:40,458 p=9666 u=ovirt |  PLAY [all]
> *********************************************************************
>     2017-12-29 14:44:40,469 p=9666 u=ovirt |  TASK [Gathering Facts]
> *********************************************************
>     2017-12-29 14:44:40,801 p=9666 u=ovirt |  fatal: [rhevh1.ab.lab]:
> UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host
> via ssh: ssh_exchange_identification: Connection closed by remote
> host\r\n", "unreachable": true}
>     2017-12-29 14:44:40,802 p=9666 u=ovirt |  PLAY RECAP
> *********************************************************************
>     2017-12-29 14:44:40,802 p=9666 u=ovirt |  rhevh1.ab.lab              :
> ok=0    changed=0    unreachable=1    failed=0
>
> 3) I tried to simulate Ansilbe role work by using simple ansible module
> using 'root' user:
>    [root@rhevm1 tmp]# ansible -m ping rhevhs -i /tmp/tmphosts
>    The authenticity of host '192.168.150.21 (<no hostip for proxy
> command>)' can't be established.
>    ECDSA key fingerprint is SHA256:fPem/Gn67v6tEbQpX/NJix/
> Ff7gPJsQ9Hz9SSBBc5ts.
>   ECDSA key fingerprint is MD5:12:ca:c7:84:93:50:3f:33:
> b5:39:e2:20:2d:13:17:43.
>   Are you sure you want to continue connecting (yes/no)? yes
>   192.168.150.21 | SUCCESS => {
>       "changed": false,
>       "ping": "pong"
>   }
>
>
> 4) It seems that above ansible role is not able to deal with SSH
> fingerprint for the first time even if I was able to collect
> 'rhevh1.ab.lab' fingerprint during adding host procedures.
>
> 5) I have tried to disable this feature in ansible.cfg file:
> [root@rhevm1 tmp]# grep host_key_checking /etc/ansible/ansible.cfg
> host_key_checking = False
>
> 6) Again the same results:
> [root@rhevm1 tmp]# cat /var/log/ovirt-engine/host-
> deploy/ovirt-host-deploy-ansible-20171229145907-rhevh1.ab.lab-3e8bace0.log
> 2017-12-29 14:59:08,005 p=10135 u=ovirt |  [DEPRECATION WARNING]: The use
> of 'include' for tasks has been deprecated. Use
> 'import_tasks' for static inclusions or 'include_tasks' for dynamic
> inclusions.
>  This feature will be removed in a future release. Deprecation warnings
> can be
> disabled by setting deprecation_warnings=False in ansible.cfg.
> 2017-12-29 14:59:08,006 p=10135 u=ovirt |  [DEPRECATION WARNING]: include
> is kept for backwards compatibility but usage is
>  discouraged. The module documentation details page may explain more about
> this
>  rationale.. This feature will be removed in a future release. Deprecation
> warnings can be disabled by setting deprecation_warnings=False in
> ansible.cfg.
> 2017-12-29 14:59:08,139 p=10135 u=ovirt |  PLAY [all]
> *********************************************************************
> 2017-12-29 14:59:08,151 p=10135 u=ovirt |  TASK [Gathering Facts]
> *********************************************************
> 2017-12-29 14:59:08,477 p=10135 u=ovirt |  fatal: [rhevh1.ab.lab]:
> UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host
> via ssh: ssh_exchange_identification: Connection closed by remote
> host\r\n", "unreachable": true}
> 2017-12-29 14:59:08,478 p=10135 u=ovirt |  PLAY RECAP
> *********************************************************************
> 2017-12-29 14:59:08,478 p=10135 u=ovirt |  rhevh1.ab.lab              :
> ok=0    changed=0    unreachable=1    failed=0
>
>
> - Questions:
> 1) How could I resolve this issue?
> 2) Is this behaviors considered as a bug to be reported?
>
> Thanks,
> Ab
> --
>
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> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>


-- 
Martin Perina
Associate Manager, Software Engineering
Red Hat Czech s.r.o.
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