Ansible:我们可以异步运行包含剧本吗? [英] Ansible: Can we run an include playbook Asynchronously?

问题描述

我有兴趣了解Ansible是否可以异步运行附带的剧本吗?

I'm interested to learn if Ansible can run an included playbook asynchronously?

基本上，我想做的是运行一个任务点火后忘记，稍后再检查".当我稍后检查它时，我也想发送带有结果的松弛通知.

Basically what I'm trying to do is run a task "Fire and forget, check on it later." When I check on it later I also want to send a slack notification with the result.

但是，我注意到随附的用于通知松弛的剧本花费的时间比预期的要长一些，因此它可以容纳其余的剧本.

However I've notice the included playbook for slack notification takes a little longer than expected to complete and hence it holds up the rest of the playbook.

我想要的是异步将随附的剧本进行松弛通知，以便当前剧本继续播放.

What I want is to async the included playbook for slack notification so that the current playbook continues.

例如，我有一个playbook.yml文件，看起来像:

For instance I have a playbook.yml file that looks like:

- hosts: localhost

  tasks:
  - name: Fire and forget task
    shell: some_task.sh
           chdir=/tmp/
    register: fire_and_forget_task
    async: 3600
    poll: 0


  - name: Check on fire and forget task
    async_status: jid={{ fire_and_forget_task.ansible_job_id }}
    register: task_status
    until: task_status.finished
    retries: 100
    ignore_errors: yes


  - name: Send slack success msg
    include: slack.yml msg="Fire and forget task SUCCESS"
    when: task_status.stdout is defined and 
          'SUCCESS' in fire_and_forget_task.stdout
    async: 3600
    poll: 0


  - name: Send slack failed msg
    include: slack.yml msg="Fire and forget task FAILED"
    when: task_status.stdout is defined and 
          'FAILED' in fire_and_forget_task.stdout
    async: 3600
    poll: 0

我的slack.yml文件如下:

My slack.yml file looks like:

  - name: Send notification message via Slack
    local_action:
      module: slack
      token: <REDACTED>
      attachments:
      - text: "{{ msg }}"
        color: "#83F52C"
        title: "Ansible Status {{ lookup('pipe','date') }}"

在上面的剧本中，发送松弛成功消息"任务要花费很长时间才能完成类似这样的简单任务.即使我已经明确指出它应该似乎也不异步运行.

With the above playbook, the "Send slack success msg" task takes an awfully long time to execute for a simple task like that. It seems its not running asynchronously even though I have explicitly stated it should.

达到预期结果的最佳方法是什么? 谢谢.

What is the best way to achieve the desired outcome? Thank you.

推荐答案

include不能使用async关键字.
如果您的slack.yml很简单，只需用一个调用替换您的include内容:

include can't use async keyword.
If your slack.yml is that simple, just replace your include stuff with a single call:

- name: Send notification message via Slack
  local_action:
    module: slack
    token: <REDACTED>
    attachments:
    - text: "Task result {{ (task_status.stdout is defined and 'SUCCESS' in task_status.stdout) | ternary('SUCCESS','FAILURE') }}"
      color: "#83F52C"
      title: "Ansible Status {{ lookup('pipe','date') }}"
  async: 3600
  poll: 0

P.S.但是我不明白，如果您之前有一个长期运行的任务(async和retries的数字很高)，那么单个Slack HTTP调用会如何减慢您的剧本...

P.S. but I don't understand how is single Slack HTTP-call slowing down your playbook if you have a long-running task (with high async and retries numbers) just before it...

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