Use fabric with a vagrant instance

fabfile.py

from fabric.api import env, local, run
 
def vagrant():
    """USAGE:
    fab vagrant uname
    
    Note that the command to run Fabric might be different on different
    platforms.
    """
    # change from the default user to 'vagrant'
    env.user = 'vagrant'
    # connect to the port-forwarded ssh
    env.hosts = ['127.0.0.1:2222']
 
    # find running VM (assuming only one is running)
    result = local('vagrant global-status | grep running', capture=True)
    machineId = result.split()[0]
    
    # use vagrant ssh key for the running VM
    result = local('vagrant ssh-config {} | grep IdentityFile'.format(machineId), capture=True)
    
    env.key_filename = result.split()[1]
 
def uname():
    run('uname -a')