Ansible failed with Paramiko to establish SSH connection to hosts while OpenSSH does.

[stefbenoist]

Issue Type

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• Bug report
• Documentation issue report
• Improvement request

Description

Ansible failed with Paramiko to establish SSH connection to hosts while OpenSSH does.

fatal: [35.240.110.164]: UNREACHABLE! => changed=false 
msg: Authentication failed.
unreachable: true

Note that it works with the use of ssh-agent
#207

Steps to reproduce the issue

Set the Yorc config option ansible_use_openssh to false
Deploy a topology

[stefbenoist]

It seems to be specific with GCP infrastructure.

[stefbenoist]

Here is the issue:
Paramiko doesn't support new OpenSSH private key format using "BEGIN OPENSSH PRIVATE KEY" especially used for
Ed25519 algorithm.
paramiko/paramiko#602

[stefbenoist]

Hum, it seems I've an old Paramiko version (1.16.0) and it's working with Paramiko 2.4.2 ( 2018-09-18), so I close this issue