Using an SSH keyfile with Fabric

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Finding a simple fabfile with a working example of SSH keyfile usage isn’t easy for some reason. I wrote a blog post about it (with a matching gist).

Basically, the usage goes something like this:

from fabric.api import *

env.hosts = ['host.name.com']
env.user="user"
env.key_filename="/path/to/keyfile.pem"

def local_uname():
    local('uname -a')

def remote_uname():
    run('uname -a')

The important part is setting the env.key_filename environment variable, so that the Paramiko configuration can look for it when connecting.

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