从 Fabric 中的用户那里获取密码，而不是回显该值

Question

我正在使用Fabric 来自动化部署。在这个过程中，我使用prompt 函数来询问用户一些输入。特别是我需要询问密码，并且我想隐藏用户输入的值，例如使用 Python getpass。由于key 和validate args 的处理，我想使用prompt。

是否有 Fabric 内置方法可以这样做，或者我是否必须更改 prompt source（最终发送拉取请求）？

Answer 1

您也许可以在fabric.network 中使用prompt_for_password

def prompt_for_password(prompt=None, no_colon=False, stream=None):
    """
    Prompts for and returns a new password if required; otherwise, returns
    None.

    A trailing colon is appended unless ``no_colon`` is True.

    If the user supplies an empty password, the user will be re-prompted until
    they enter a non-empty password.

    ``prompt_for_password`` autogenerates the user prompt based on the current
    host being connected to. To override this, specify a string value for
    ``prompt``.

    ``stream`` is the stream the prompt will be printed to; if not given,
    defaults to ``sys.stderr``.
    """
    from fabric.state import env
    handle_prompt_abort("a connection or sudo password")
    stream = stream or sys.stderr
    # Construct prompt
    default = "[%s] Login password for '%s'" % (env.host_string, env.user)
    password_prompt = prompt if (prompt is not None) else default
    if not no_colon:
        password_prompt += ": "
    # Get new password value
    new_password = getpass.getpass(password_prompt, stream)
    # Otherwise, loop until user gives us a non-empty password (to prevent
    # returning the empty string, and to avoid unnecessary network overhead.)
    while not new_password:
        print("Sorry, you can't enter an empty password. Please try again.")
        new_password = getpass.getpass(password_prompt, stream)
    return new_password

看起来这是fabric检索ssh密码的方式，然后他们将其设置为env，使用：

def set_password(password):
    from fabric.state import env
    env.password = env.passwords[env.host_string] = password

通过设置env 可以轻松替换密钥，但看起来您可能需要验证自己...