[ovirt-users] Importing Libvirt Kvm Vms to oVirt Status: Released in oVirt 4.2 using ssh - Failed to communicate with the external provider

Petr Kotas pkotas at redhat.com
Thu Feb 8 12:51:30 UTC 2018 

Hi Maoz,

it looks like cannot connect due to wrong setup of ssh keys. Which linux
are you using?
The guide for setting the ssh connection to  libvirt is here:
https://wiki.libvirt.org/page/SSHSetup

May it helps?

Petr

On Wed, Feb 7, 2018 at 10:53 PM, maoz zadok <maozza at gmail.com> wrote:

> Hello there,
>
> I'm following https://www.ovirt.org/develop/release-management/features/
> virt/KvmToOvirt/ guide in order to import VMS from Libvirt to oVirt using
> ssh.
>  URL:  "qemu+ssh://host1.example.org/system"
>
> and get the following error:
> Failed to communicate with the external provider, see log for additional
> details.
>
>
> *oVirt agent log:*
>
> *- Failed to retrieve VMs information from external server
> qemu+ssh://XXX.XXX.XXX.XXX/system*
> *- VDSM XXX command GetVmsNamesFromExternalProviderVDS failed: Cannot recv
> data: Host key verification failed.: Connection reset by peer*
>
>
>
> *remote host sshd DEBUG log:*
> *Feb  7 16:38:29 XXX sshd[110005]: Connection from XXX.XXX.XXX.147 port
> 48148 on XXX.XXX.XXX.123 port 22*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: Client protocol version 2.0;
> client software version OpenSSH_7.4*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: match: OpenSSH_7.4 pat OpenSSH*
> compat 0x04000000*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: Local version string
> SSH-2.0-OpenSSH_7.4*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: Enabling compatibility mode for
> protocol 2.0*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: SELinux support disabled
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: permanently_set_uid: 74/74
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: list_hostkey_types:
> ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: SSH2_MSG_KEXINIT sent [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: SSH2_MSG_KEXINIT received
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: algorithm:
> curve25519-sha256 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: host key algorithm:
> ecdsa-sha2-nistp256 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: client->server cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: server->client cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: expecting
> SSH2_MSG_KEX_ECDH_INIT [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: rekey after 134217728 blocks
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: SSH2_MSG_NEWKEYS sent [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: expecting SSH2_MSG_NEWKEYS
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: Connection closed by XXX.XXX.XXX.147
> port 48148 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: do_cleanup [preauth]*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: do_cleanup*
> *Feb  7 16:38:29 XXX sshd[110005]: debug1: Killing privsep child 110006*
> *Feb  7 16:38:29 XXX sshd[109922]: debug1: Forked child 110007.*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: Set /proc/self/oom_score_adj to
> 0*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: rexec start in 5 out 5 newsock
> 5 pipe 7 sock 8*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: inetd sockets after dupping: 3,
> 3*
> *Feb  7 16:38:29 XXX sshd[110007]: Connection from XXX.XXX.XXX.147 port
> 48150 on XXX.XXX.XXX.123 port 22*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: Client protocol version 2.0;
> client software version OpenSSH_7.4*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: match: OpenSSH_7.4 pat OpenSSH*
> compat 0x04000000*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: Local version string
> SSH-2.0-OpenSSH_7.4*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: Enabling compatibility mode for
> protocol 2.0*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: SELinux support disabled
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: permanently_set_uid: 74/74
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: list_hostkey_types:
> ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: SSH2_MSG_KEXINIT sent [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: SSH2_MSG_KEXINIT received
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: algorithm:
> curve25519-sha256 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: host key algorithm:
> ecdsa-sha2-nistp256 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: client->server cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: server->client cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: expecting
> SSH2_MSG_KEX_ECDH_INIT [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: rekey after 134217728 blocks
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: SSH2_MSG_NEWKEYS sent [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: expecting SSH2_MSG_NEWKEYS
> [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: Connection closed by XXX.XXX.XXX.147
> port 48150 [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: do_cleanup [preauth]*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: do_cleanup*
> *Feb  7 16:38:29 XXX sshd[110007]: debug1: Killing privsep child 110008*
> *Feb  7 16:38:30 XXX sshd[109922]: debug1: Forked child 110009.*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: Set /proc/self/oom_score_adj to
> 0*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: rexec start in 5 out 5 newsock
> 5 pipe 7 sock 8*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: inetd sockets after dupping: 3,
> 3*
> *Feb  7 16:38:30 XXX sshd[110009]: Connection from XXX.XXX.XXX.147 port
> 48152 on XXX.XXX.XXX.123 port 22*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: Client protocol version 2.0;
> client software version OpenSSH_7.4*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: match: OpenSSH_7.4 pat OpenSSH*
> compat 0x04000000*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: Local version string
> SSH-2.0-OpenSSH_7.4*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: Enabling compatibility mode for
> protocol 2.0*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: SELinux support disabled
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: permanently_set_uid: 74/74
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: list_hostkey_types:
> ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: SSH2_MSG_KEXINIT sent [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: SSH2_MSG_KEXINIT received
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: algorithm:
> curve25519-sha256 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: host key algorithm:
> ecdsa-sha2-nistp256 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: client->server cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: server->client cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: expecting
> SSH2_MSG_KEX_ECDH_INIT [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: rekey after 134217728 blocks
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: SSH2_MSG_NEWKEYS sent [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: expecting SSH2_MSG_NEWKEYS
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: Connection closed by XXX.XXX.XXX.147
> port 48152 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: do_cleanup [preauth]*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: do_cleanup*
> *Feb  7 16:38:30 XXX sshd[110009]: debug1: Killing privsep child 110010*
> *Feb  7 16:38:30 XXX sshd[109922]: debug1: Forked child 110011.*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: Set /proc/self/oom_score_adj to
> 0*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: rexec start in 5 out 5 newsock
> 5 pipe 7 sock 8*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: inetd sockets after dupping: 3,
> 3*
> *Feb  7 16:38:30 XXX sshd[110011]: Connection from XXX.XXX.XXX.147 port
> 48154 on XXX.XXX.XXX.123 port 22*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: Client protocol version 2.0;
> client software version OpenSSH_7.4*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: match: OpenSSH_7.4 pat OpenSSH*
> compat 0x04000000*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: Local version string
> SSH-2.0-OpenSSH_7.4*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: Enabling compatibility mode for
> protocol 2.0*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: SELinux support disabled
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: permanently_set_uid: 74/74
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: list_hostkey_types:
> ssh-rsa,rsa-sha2-512,rsa-sha2-256,ecdsa-sha2-nistp256,ssh-ed25519 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: SSH2_MSG_KEXINIT sent [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: SSH2_MSG_KEXINIT received
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: algorithm:
> curve25519-sha256 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: host key algorithm:
> ecdsa-sha2-nistp256 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: client->server cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: server->client cipher:
> chacha20-poly1305 at openssh.com <chacha20-poly1305 at openssh.com> MAC:
> <implicit> compression: none [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: kex: curve25519-sha256 need=64
> dh_need=64 [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: expecting
> SSH2_MSG_KEX_ECDH_INIT [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: rekey after 134217728 blocks
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: SSH2_MSG_NEWKEYS sent [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: debug1: expecting SSH2_MSG_NEWKEYS
> [preauth]*
> *Feb  7 16:38:30 XXX sshd[110011]: Connection closed by XXX.XXX.XXX.147
> port 48154 [preauth]*
>
>
> Thank you!
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
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