from fabric.api import *

env.user='ubuntu'
env.hosts = ['xyz.com','def.com', 'ghi.com', 'lol.com', 'rofl.com']
env.roledefs['appagent'] = ['ghi.com', 'lol.com', 'rofl.com']
env.password='<provide_your_ssh_connection_password>'
env.parallel = True

def host():
    run('uname -a')
    hn = run('hostname')
    print "Hostname is : " , hn

@roles('appagent')
@with_settings(warn_only=True)
def install(name='apache2'):
    installed = run('service --status-all | grep -c ' + name)
    if int(installed) < 1:
        sudo('apt-get update')
        sudo('apt-get install -y ' + name)
        sudo('service ' + name + ' restart')
    else:
        print name + " is already installed, checking if its running or not"
        running = run('ps -A | grep -c ' + name)
        if int(running) == 0:
            print "starting " + name
            sudo('service ' + name + ' restart')
        else:
            print name + " already in running state"