fabfile.py 文件源码

def set_host(host_index):
    """A helper task to change env.hosts from the
    command line. It will only "stick" for the duration
    of the fab command that called it.

    Args:
        host_index (int): 0, 1, 2, 3, etc.
    Example:
        fab set_host:4 fab_task_A fab_task_B
        will set env.hosts = [public_dns_names[4]]
        but only for doing fab_task_A and fab_task_B
    """
    env.hosts = [public_hosts[int(host_index)]]
    env.password = [public_pwds[int(host_index)]]


# Install base software