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variables-遇到错误,通过角色将任务和变量从剧本中解耦

(variables - Encountering an error decoupling tasks and vars from playbooks via roles)

发布于 2020-12-21 05:19:14

首先,我有一个角色的基本ansible目录结构。

在[ansible]目录中:

- inventory
- playbook.yml
- [roles]
    - [gui_utils]
        - [defaults]
            - main.yml
        - [files]
            - main.yml
        - [handlers]
            - main.yml
        - [library]
            - my_module.py
        - [meta]
            - main.yml
        - [tasks]
            - main.yml
        - [templates]
            - main.yml
        - [vars]
            - main.yml

唯一包含任何相关数据的文件是:

  • ansible/inventory
[all]
#
[prep]
ansible-prep ansible_connection=local ansible_host=localhost
  • ansible/playbook.yml
 - hosts: prep
   tasks:
      - name: "Update cache if older than 3600 seconds"
        ansible.builtin.apt:
           update_cache: yes
           cache_valid_time: 3600
           update_cache_retries: 10
           update_cache_retry_max_delay: 18

      - name: "Import and run task to install 'gui_utils'".
        import_tasks: roles/gui_utils/tasks/main.yml
  • ansible/gui_utils/tasks/main.yml
 - tasks:
      - name: "Load gui_utils_list variable"
        include_vars: "{{ role_path }}/vars/main.yml"

      - name: "Install GUI utility packages"
        ansible.builtin.apt:
           name: "{{ gui_utils_list }}"
           state: present
  • ansible/gui_utils/vars/main.yml
gui_utils_list:
   - notepadqq
   - redshift

执行ansible-lint ansible/playbook.yml将返回以下错误。

root@ansible-prep:/home/user/Desktop/ansible-project# ansible-lint ansible/playbook.yml
CRITICAL Couldn't parse task at /home/user/Desktop/ansible-project/ansible/roles/gui_utils/tasks/main.yml:4 (couldn't resolve module/action 'tasks'. This often indicates a misspelling, missing collection, or incorrect module path.)
{ 'tasks': [ { '__file__': '/home/user/Desktop/ansible-project/ansible/roles/gui_utils/tasks/main.yml',
               '__line__': 16,
               'include_vars': '{{ role_path }}/vars/main.yml',
               'name': 'Load gui_utils_list variable'},
             { '__file__': '/home/user/Desktop/ansible-project/ansible/roles/gui_utils/tasks/main.yml',
               '__line__': 19,
               'ansible.builtin.apt': { '__file__': '/home/user/Desktop/ansible-project/ansible/roles/gui_utils/tasks/main.yml',
                                        '__line__': 21,
                                        'name': '{{ gui_utils_list }}',
                                        'state': 'present'},
               'name': 'Install GUI utility packages'}]}
root@ansible-prep:/home/user/Desktop/ansible-project# 

不幸的是,这没有帮助我解决问题。 ansible-lint ansible/roles/gui_utils/tasks/main.yml返回没有任何错误,并且,如果我从中删除- nameimport_tasksansible/playbook.ymlansible-lint ansible/playbook.yml也不会返回任何错误。在这一点上,我认为我的错误出现在的最后两行,ansible/playbook.yml但我不知道具体是什么错误或如何解决。

Questioner
jordan.mcleod
Viewed
0
Vladimir Botka 2020-12-21 15:46:07

问:gui_utils / tasks / main.yml:4(无法解析模块/动作“任务”。

答:取出关键字任务从ansible / gui_utils /任务/ main.yml。任务import_tasks已经在剧本的“任务”部分中

---
- name: "Load gui_utils_list variable"
  include_vars: "{{ role_path }}/vars/main.yml"

- name: "Install GUI utility packages"
  ansible.builtin.apt:
    name: "{{ gui_utils_list }}"
    state: present

import_role而不是import_tasks

使用import_role而不是import_tasks可使代码更简单运行任务/ main.yml默认

      - name: "Import role gui_utils."
        import_role:
          name: gui_utils

这样,你还可以从ansible / gui_utils / tasks / main.yml中省略任务“加载gui_utils_list变量”/ main.yml瓦尔被读取默认的作用太大了。请参阅了解变量优先级

---
- name: "Install GUI utility packages"
  ansible.builtin.apt:
    name: "{{ gui_utils_list }}"
    state: present

唯一的区别是import_role将使其他角色的工件(默认值,处理程序等)可用于播放。但是,这就是角色的作用。请参阅注释