包括来自多个文件夹的变量，同时将文件夹名称前缀到变量名称

Question

我尝试从具有以下结构的文件夹中递归导入变量：

containers
|_ deluge
  |_ defaults
    |_ main.yml
  |_ tasks
    |_ main.yml
|_ jellyfin
  |_ defaults
    |_ main.yml
  |_ tasks
    |_ main.yml

每个文件夹都有一个default/main.yml文件，如下所示：

---
container_name: deluge

port: 8112
homer_url: "http://{{ ansible_host }}:{{ port }}"

这些变量在所有文件夹中具有相同的名称。

我想以下面的形式将homer_url变量导入到行动手册中，这样我就可以通过使用homer_containers.deluge、homer_containers.jellyfin等来处理它们：

homer_containers {
   deluge: "http://myhost.com:8112"
   plex: "http://myhost.com:32400"
   jellyfin: "http://myhost.com:8096"
}

下面是我尝试这样做的方法：

---
- name: Get a list of containers
  delegate_to: localhost
  become: no
  find:
    paths: 
      - "roles/containers"
    file_type: directory
    excludes: "homer"
    recurse: no
  register: containers

- name: Include all .json and .jsn files in vars/all and all nested directories (2.3)
  include_vars:
    dir: "{{ playbook_dir }}/{{ item.path }}/defaults"
    files_matching: main.yml
    name: "{{ item.path.split('/')[-1] }}"
  with_items: "{{ containers.files }}"
  no_log: true

- name: print out
  debug:
    var: deconz.homer_url

- name: Populate the dictionary
  set_fact:
    homer_containers: "{{ homer_containers | default({}) | combine ( { item.path.split('/')[-1] : vars[item.path.split('/')[-1] + '.homer_url'] } ) }}"
    cacheable: true
  with_items: "{{ containers.files }}"

- name: print out
  debug:
    var: homer_containers

但是，Ansible无法将变量名解析为实际的变量：

TASK [containers/homer : print out] 
ok: [myhost] => {
    "deconz.homer_url": "http://myhost.com:8085"
}

TASK [containers/homer : Populate the dictionary]
fatal: [myhost]: FAILED! => {"msg": "The task includes an option with an undefined variable. 
The error was: 'dict object' has no attribute 'deconz.homer_url'}

Answer 1

它应该是foo['bar']['baz']，而不是像foo['bar.baz']那样访问变量。

所以简单的改变：

vars[item.path.split('/')[-1] + '.homer_url']

至

vars[item.path.split('/')[-1]]['homer_url']

Answer 2

@Rickkwa的答案在略微调整后有效。我还更改了结构，以包含另一个变量(homer_category)

- name: Populate the dictionary
  set_fact:
    homer_urls: "{{ homer_urls | default([]) + [{ 'name': item.path.split('/')[-1], 'url' : lookup('vars', item.path.split('/')[-1])['homer_url'] | default(''), 'category': lookup('vars', item.path.split('/')[-1])['homer_category'] | default ('') }] }}"
  with_items: "{{ containers.files }}"