dictionary - 循环遍历包含 Ansible 列表的字典列表？

Question

我有一个 Ansible 角色，它创建应该安装特定包的计划任务。

这样使用:

scheduled_install:

  - name: install package x,y,z on the same day
    package:
    - xpackage
    - ypackage
    - zpackage
    action: install
    day: '2022-08-08'
    time: '10:00:00'

  - name: install package a on another day
    package: apackage
    action: install
    day: '2022-10-12'
    time: '12:00:00'

如果我每个字典只使用一个包(apackage)，它工作正常，但是我希望能够添加一个包列表。

(任务)只有一个包，我是这样工作的:

- name: 'Scheduled Install'
  win_scheduled_task:
    name: Scheduled Install of {{ item.package }}
    actions:
      - path: powershell.exe
        arguments: choco install {{ item.package }}
    triggers:
      - type: time
        start_boundary: '{{ item.day }}T{{ item.time }}'
    username: SYSTEM
    state: present
    enabled: yes
  loop: "{{ scheduled_install }}"

循环“scheduled_install”。我试过使用子元素:How to loop over this dictionary in Ansible?但我无法让它发挥作用，也无法弄清楚如何正确地将它连接在一起以获得所需的输出，并且没有找到与我的案例太相似的案例。

我本质上是在寻找一种方法来遍历数据以获取此信息:

"msg": "Package=xpackage, day=2022-08-08, time=10:00:00"
"msg": "Package=ypackage, day=2022-08-08, time=10:00:00"
"msg": "Package=zpackage, day=2022-08-08, time=10:00:00"
"msg": "Package=apackage, day=2022-10-12, time=12:00:00"

Ansible 版本:5.7.0

Answer 1

使用with_subelements .首先将所有属性包 转换为列表。创建列表

package_lists: "{{ scheduled_install|json_query('[].[package]')|
                                     map('flatten')|
                                     map('community.general.dict_kv', 'package')|
                                     list }}"

给予

package_lists:
  - package:
    - xpackage
    - ypackage
    - zpackage
  - package:
    - package

合并字典列表

scheduled_install_lists: "{{ scheduled_install|zip(package_lists)|
                                               map('combine')|
                                               list }}"

给予

scheduled_install_lists:
  - action: install
    day: '2022-08-08'
    name: install package x,y,z on the same day
    package:
    - xpackage
    - ypackage
    - zpackage
    time: '10:00:00'
  - action: install
    day: '2022-10-12'
    name: install package a on another day
    package:
    - apackage
    time: '12:00:00'

现在你可以迭代字典了

    - debug:
        msg: >-
          Package={{ item.1 }},
          day={{ item.0.day }},
          time={{ item.0.time }}
      with_subelements:
        - "{{ scheduled_install_lists }}"
        - package

给出(删节)

  msg: Package=xpackage, day=2022-08-08, time=10:00:00
  msg: Package=ypackage, day=2022-08-08, time=10:00:00
  msg: Package=zpackage, day=2022-08-08, time=10:00:00
  msg: Package=apackage, day=2022-10-12, time=12:00:00

---

<支持>

• 完整剧本的示例

- hosts: localhost
  vars:
    scheduled_install:
      - name: install package x,y,z on the same day
        package:
          - xpackage
          - ypackage
          - zpackage
        action: install
        day: '2022-08-08'
        time: '10:00:00'
      - name: install package a on another day
        package: apackage
        action: install
        day: '2022-10-12'
        time: '12:00:00'
    package_lists: "{{ scheduled_install|json_query('[].[package]')|
                                         map('flatten')|
                                         map('community.general.dict_kv', 'package')|
                                         list }}"
    scheduled_install_lists: "{{ scheduled_install|zip(package_lists)|
                                                   map('combine')|
                                                   list }}"
  tasks:
    - debug:
        msg: >-
          Package={{ item.1 }},
          day={{ item.0.day }},
          time={{ item.0.time }}
      with_subelements:
        - "{{ scheduled_install_lists }}"
        - package