crate.py 文件源码

def tail_log(config_file, lines=50):
    """Tails the log"""
    cfg = helper.get_config(config_file)

    for host_config in cfg['hosts']:
        env.host_string = helper.get_env_host_string(host_config)
        env.user = helper.get_env_user(host_config)
        env.key_filename = helper.get_env_key_filename(host_config)
        sudo('tail -{} /var/log/crate/uber-cluster.log'.format(lines))