_wrappers.py 文件源码

def backup_db(db_name, db_user, password, db_server=env.host_string):
    with cd('/tmp'):
        local('pg_dump -U {user} -h {ip} {db} > {db}-bak.sql'.format(
            user=db_user,
            ip=db_server,
            pwd=password,
            db=db_name
        ))