import time
from fabric.api import *

env.hosts = ['example.com']
env.user = 'someuser'
env.password = 'somepassword'

def backup_database(app_name, db_name):
    db_passwords = {'somedatabasename': 'somedbpassword'}
    mysqldump_command = 'MYSQL_PWD=%(password)s ionice -c2 -n6 mysqldump -u' +
        ' %(database_name)s %(database_name)s ' +
        '> ./webapps/%(app_name)s/%(database_name)s.sql' % {
        'password': db_passwords[db_name],
        'database_name': db_name,
        'app_name': app_name
        }
    run(mysqldump_command)


def backup_site(app_name):
    date = time.strftime('%Y-%m-%d')
    zip_filename = '%(app_name)s-%(date)s.zip' % { 'date': date, 'app_name': app_name }
    zip_command = 'zip -r %(zip_filename)s ./webapps/%(app_name)s > /dev/null' % {
        'zip_filename': zip_filename, 'app_name': app_name }
    run(zip_command)
    get(zip_filename, zip_filename)
    run('rm ' + zip_filename)

def backup_webapp(app_name, db_name):
    backup_database(app_name, db_name)
    backup_site(app_name)
    rm_command = 'rm $HOME/webapps/%(app_name)s/%(database_name)s.sql' % {
        'database_name': db_name,
        'app_name': app_name
    }
    run(rm_command)

def backup():
    backup_webapp('somewebappfoldername', 'somedatabasename')