Ansible cloudformation更新堆栈 [英] Ansible cloudformation update stack
问题描述
我正在尝试使用仅需要通过Ansible更改的参数值来更新cloudformation堆栈。堆栈是先前创建的，具有大约20个输入参数，但是我只需要更新其中一个的值即可。我尝试了以下操作：
I'm trying to update a cloudformation stack with just a param value that I need to change via Ansible. The stack is previously created and has about 20 input params, but I just need to update the value for one. I tried the following:
- name: update
cloudformation:
stack_name: "{{ stack_name }}"
state: present
region: "{{ region }}"
disable_rollback: false
args:
template_parameters:
CreateAlarms: "{{ create_alarms }}"
在我运行该游戏时，该剧引发错误，指出它期望该值其他模板参数。从此处的ansible文档中 http://docs.ansible.com/ansible/latest/cloudformation_module。 html ，它说：如果存在 state ，则说明堆栈确实存在，并且 template 和 template_url 被指定，先前的模板将被重用。如何告诉cloudformation模块也使用以前的值？我知道aws cli通过usePreviousValue标志支持它，但是我如何使用Ansible cloudformation来做到这一点？
When I run it, the play throws an error stating that it expects values for the other template params. From the ansible documentation here http://docs.ansible.com/ansible/latest/cloudformation_module.html, it says "If state is present, the stack does exist, and neither template nor template_url is specified, the previous template will be reused." How do I tell the cloudformation module to use previous values as well? I know that aws cli supports it via the usePreviousValue flag, but how I do it with Ansible cloudformation?
预先感谢。
推荐答案
当前此处可用的 cloudformation 模块。没有重用以前的值的方法，您必须每次都指定参数。通常这很好，因为无论如何您都将参数存储在Ansible剧本中。
author/maintainer of the current Ansible cloudformation module here. There isn't a method to reuse previous values, you must specify the parameters every time. Usually that's fine because you have your params stored in your Ansible playbook anyhow.
如果您很紧张，则这些值会在cloudformation控制台中列出，您也可以使用变更集确保只有期望值在变化。
If you're nervous, the values are listed in the cloudformation console, and you can also use changesets in Ansible to make sure only the expected are changing.
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