仅打印失败的任务 - Ansible [英] Print out only failed tasks - Ansible

问题描述

我创建了一个 Ansible playbook，它只检查特定端口上与目标主机的连接.这是我的剧本

I have created an Ansible playbook which just checks the connection to target hosts on a specific port. Here is my playbook

- name: ACL check to target machines.
  hosts: all
  gather_facts: False

  vars:

    target_hosts:
      - server1 18089
      - server1 8089
      - server1 18000

  tasks:
    - name: execute the command
      command: "nc -vz {{ item }}"
      with_items: "{{ target_hosts }}"

执行剧本时得到的输出包含已更改(成功)和失败.

The output i get when i execute the playbook contains both changed(success) and failed.

在实际场景中，我有很多目标主机，&我的输出非常大.

In real scenario i have many number of target hosts, & my output is very large.

我想要的是，我希望在底部有最终报告，其中仅显示源和目标之间所有失败连接的列表.

What i wanted here is, i want to have final report at bottom which shows only list of all failed connections between source and target.

谢谢

推荐答案

我想在底部有最终报告，只显示源和目标之间所有失败连接的列表

i want to have final report at bottom which shows only list of all failed connections between source and target

我相信您正在寻找的旋钮是 stdout 回调插件.虽然我没有看到一个完全如你所愿，但有两个似乎可以让你接近:

I believe the knob you are looking for is stdout callback plugins. While I don't see one that does exactly as you wish, there are two of them that seem like they may get you close:

actionable 声称它只会发出失败和更改的事件:

The actionable one claims it will only emit Failed and Changed events:

$ ANSIBLE_STDOUT_CALLBACK=actionable ansible-playbook ...

然后，向上移动复杂性阶梯，json 顾名思义，它会以 JSON 格式发出步骤记录，允许您根据自己的需要过滤完全的输出(.failed 是一个布尔值每个任务都表明这一点):

Then, moving up the complexity ladder, the json one will, as its name implies, emit a record of the steps in JSON, allowing you to filter the output for exactly what you want (.failed is a boolean on each task that indicates just that):

$ ANSIBLE_STDOUT_CALLBACK=json ansible-playbook ...

然后，正如插件"部分所暗示的那样，如果您愿意，您也可以实现自己的正是您想要的；提供了大量示例，除了文档.

Then, as the "plugins" part implies, if you were so inclined you could also implement your own that does exactly what you want; there are a lot of examples provided, in addition to the docs.

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