Fabric script to run command on several hosts

fabfile.py

# pip3 install fabric3==1.14.post1
# Usage: fab cmd:'whoami'

from fabric.api import *

env.hosts = [
	'pi@192.168.0.111',
	'pi@192.168.0.112',
	'pi@192.168.0.113',
]

@task
@parallel
with settings(warn_only=True):
def cmd(command):
	run(command)

@task
@parallel
with settings(warn_only=True):
def su(command):
	sudo(command)

@task
def ping(output):
    """ Sanity check """
    print(f'pong!')
    print(f'hello {output}!')%