如何在Python脚本中查看/解密Ansible Vault凭证文件?

问题描述

我试图弄清楚如何为Python脚本提供以下功能，以便它可以:

I'm trying to figure out how to provide the following facilities to a Python script so that it can:

1. 导入Ansible Python模块
2. 打开我定义的ansible.cfg并读取vault_password_file变量
3. 读取vault_password_file并临时存储在Python变量中
4. 解密引用的Ansible Vault文件

1. Import Ansible Python modules
2. Open up my defined ansible.cfg and read vault_password_file variable
3. Read vault_password_file and temporarily store in a Python variable
4. Decrypt a referenced Ansible vaulted file

我通过Google找到了此代码，但没有找到尝试时似乎可以正常工作:

I found this code via google but it did not appear to work when I tried it:

import ansible.utils

bar = dict()

bar = ansible.utils._load_vars_from_path("secrets.yml", results=bar, vault_password="password")

print bar

引发此错误:

$ python ansible-vault-ex.py
Traceback (most recent call last):
  File "ansible-vault-ex.py", line 5, in <module>
    bar = ansible.utils._load_vars_from_path("credentials.vault", results=bar, vault_password="password")
AttributeError: 'module' object has no attribute '_load_vars_from_path'

当我对此进行调查时，在任何与Ansible相关的文件中都没有看到此功能的指示，这使我相信该方法不再适用于某些较新版本的Ansible.

When I investigated this I saw no indications of this function in any Ansible related files, leading me to believe that this method no longer worked with some newer version(s) of Ansible.

最重要的是，我希望有一些方法可以从Python脚本中导入Ansible库/模块，以便可以从Python中以编程方式与ansible-vault托管文件进行交互.

Bottom line is that I'd like some method for importing Ansible libraries/modules from a Python script, so that I can interact with ansible-vault managed files programmatically from Python.

推荐答案

ansible-vault扩展了Kuba的答案，是VaultLib的包装.它很好地处理了Vaultlib的Ansible 2.4之前版本以及2.4的后版本.

Extending Kuba's answer, ansible-vault is a wrapper around VaultLib. It nicely handles the pre Ansible 2.4 version of Vaultlib along with the post 2.4 version.

ansible-vault load()方法不仅解密文件，还解析文件并将内容作为dict返回.如果您希望内容不进行解析，则最简单的方法是使用以下内容扩展ansible-vault:

The ansible-vault load() method not only decrypts the file, but it also parses it and returns the contents as a dict. If you want the contents without parsing, it is probably easiest to just extend ansible-vault with something like:

from ansible_vault import Vault

class MyVault(Vault):
    def load_raw(self, stream):
        return self.vault.decrypt(stream)

    def dump_raw(self, text, stream=None):
        encrypted = self.vault.encrypt(text)
        if stream:
            stream.write(encrypted)
        else:
            return encrypted

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