fabric sample
from fabric.api import *
env.user = 'vagrant'
env.password = 'vagrant'
# enable .ssh/config
#env.use_ssh_config = True
def develop():
env.hosts = ['localhost', '127.0.0.1' ]
def production():
env.hosts = ['localhost']
def hello_fab():
run("uname -a")
sudo("whoami")
with cd('/usr/local/src'):
sudo('pwd')