On Fri, Dec 29, 2017 at 3:05 PM, Abdurrahman A. Ibrahim < a.rahman.attia(a)gmail.com&gt; 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-dep > loy/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-dep > loy/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 > -- > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > > -- Martin Perina Associate Manager, Software Engineering Red Hat Czech s.r.o.