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Re: [Fab-user] Host based authentication failing in fabric connection

From: Jeff Forcier
Subject: Re: [Fab-user] Host based authentication failing in fabric connection
Date: Thu, 4 Oct 2018 09:21:40 -0700

Hi Peter,

Fabric (all versions) only uses Paramiko, so if it lacks host-based auth, then Fabric will as well.

I looked and there is an open ticket for adding the feature to Paramiko: https://github.com/paramiko/paramiko/issues/316 - there seems to be a diff attached which I haven't reviewed yet (hasn't been a high priority as very few users seem to be requesting it).

Should you have the time to attempt adding it to your local copy of Paramiko, please comment on the ticket with the results - that would help move things along a bit.


On Thu, Oct 4, 2018 at 12:28 AM Peter Moore <address@hidden> wrote:
I am trying to use Fabric instead of Ansible to deploy scripts to a number of hosts. I found out that user ssh keys are not copied. Instead host based authentication is being used (ie host keys are copied from /etc/ssh/ssh_host_rsa_key.pub to remote /etc/ssh/authorized_keys) and Paramiko is failing with this auth method.  Ansible does support this method though OpenSSH and will fall back to Paramiko if that is not working.

Is there a way to instantiate a Connection from fabric using another way ?

Thanks in advance
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Jeff Forcier
Unix sysadmin; Python engineer

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