从以前的播放中获取Ansible_play_host？
我有一本Ansible Playbook，可以在一堆服务器中与管理卡进行交互，然后根据该信息制作报告。从结构上讲，它看起来像：
- hosts: all
tasks:
- name: do something with redfish
uri:
...
register: something
- hosts: localhost
tasks:
- name: produce report
template:
...
loop: "{{ SOME_LIST_OF_HOSTS }}"
最初，模板第二个任务是通过groups.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.s.. able，如果我们使用ansible-Playbook -l ollys_cluster_a ...）。在这种情况下，我希望template任务仅循环第一个播放的主机。换句话说，我想知道ansible_play_hosts_all从上一个播放中。
这就是我想到的：
- hosts: all
gather_facts: false
tasks:
- delegate_to: localhost
delegate_facts: true
run_once: true
set_fact:
saved_play_hosts: "{{ ansible_play_hosts_all }}"
...other tasks go here...
- hosts: localhost
gather_facts: false
tasks:
- debug:
msg:
play_hosts: "{{ saved_play_hosts }}"
这是最好的方法吗？
I have an ansible playbook that interacts with the management card in a bunch of servers, and then produces a report based on that information. Structurally it looks like:
- hosts: all
tasks:
- name: do something with redfish
uri:
...
register: something
- hosts: localhost
tasks:
- name: produce report
template:
...
loop: "{{ SOME_LIST_OF_HOSTS }}"
Originally, the template task in the second was looping over groups.all, but that causes a number of complications if we limited the target hosts using -l on the command line (like ansible-playbook -l only_cluster_a ...). In that case, I would like the template task to loop over only the hosts targeted by the first play. In other words, I want to know ansible_play_hosts_all from the previous play.
This is what I've come up with:
- hosts: all
gather_facts: false
tasks:
- delegate_to: localhost
delegate_facts: true
run_once: true
set_fact:
saved_play_hosts: "{{ ansible_play_hosts_all }}"
...other tasks go here...
- hosts: localhost
gather_facts: false
tasks:
- debug:
msg:
play_hosts: "{{ saved_play_hosts }}"
Is that the best way of doing this?
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您可以使用add_host模块：在第一次播放结束时，您可以添加一个任务：
您可以将值捕获在第二次播放中：
you could use add_host module: at the end of first play you add a task:
and you could trap the value in second play: