git clone https://github.com/exfm/fab_utils
cd fab_utils
python setup.py install

cd fab_utils/fab_utils
fab -H <hostname> apt.add_repository:ppa:chris-lea/node.js
fab -H <hostname> apt.update
fab -H <hostname> apt.install:nodejs,npm

from fab_utils import apt

@task
def install_node():
    apt.add_repository('ppa:chris-lea/node.js')
    apt.update()
    apt.install([
        'nodejs',
        'npm'
    ])