• https://fabtools.readthedocs.org/

It is a library that allow to install and configure applications on remote hosts. For instance next script install a PostgreSQL, a postfix, an Nginx…

from fabric.api import *
from fabtools import require
import fabtools
 
@task
def setup():
 
    # Require some Debian/Ubuntu packages
    require.deb.packages([
        'imagemagick',
        'libxml2-dev',
    ])
 
    # Require a Python package
    with fabtools.python.virtualenv('/home/myuser/env'):
        require.python.package('pyramid')
 
    # Require an email server
    require.postfix.server('example.com')
 
    # Require a PostgreSQL server
    require.postgres.server()
    require.postgres.user('myuser', 's3cr3tp4ssw0rd')
    require.postgres.database('myappsdb', 'myuser')
 
    # Require a supervisor process for our app
    require.supervisor.process('myapp',
        command='/home/myuser/env/bin/gunicorn_paster /home/myuser/env/myapp/production.ini',
        directory='/home/myuser/env/myapp',
        user='myuser'
        )
 
    # Require an nginx server proxying to our app
    require.nginx.proxied_site('example.com',
        docroot='/home/myuser/env/myapp/myapp/public',
        proxy_url='http://127.0.0.1:8888'
        )
 
    # Setup a daily cron task
    fabtools.cron.add_daily('maintenance', 'myuser', 'my_script.py')