Ansible控制器拉取文件后提示不存在：No such file or directory问题求助

问题 #

我的Playbook包含从Windows共享驱动器拉取文件的任务，运行在localhost：

- name: Fetch file
  fetch:
    src: \\10.14.2.130\shared\folder\Data\users.csv
    dest: /var/lib/awx/projects/Windowsfile/
    flat: yes
  delegate_to: 10.12.201.60
  become: yes
  become_method: runas
  become_user: SYSTEM

- name: Initialise data list
  set_fact:
    data_list: []

- name: Read input file
  read_csv:
    path: users.csv
    key: FirstName  
    fieldnames: FirstName,LastName,EmailAddress,Mobile
    delimiter: ','
  register: userdata

在终端控制台运行该Playbook时可成功执行，但在Ansible控制器（AWX）上运行时出现以下错误：

TASK [Create_from_csv : Fetch file] ********************************************
changed: [localhost -> 10.12.201.60] => {"changed": true, "checksum": "ff94f775fdd699d9a5f9c9026ce187030cf4c4d5", "dest": "/var/lib/awx/projects/Windowsfile/users.csv", "md5sum": "a05583cd02cf2e06c8b51c7d7e2f5284", "remote_checksum": "ff94f775fdd699d9a5f9c9026ce187030cf4c4d5", "remote_md5sum": null}

TASK [Create_from_csv : Initialise data list] **********************************
ok: [localhost] => {"ansible_facts": {"data_list": []}, "changed": false}

TASK [Create_from_csv : Read input file] ***************************************
fatal: [localhost]: FAILED! => {"changed": false, "msg": "Unable to open file: [Errno 2] No such file or directory: 'users.csv'"}

从日志可见文件已成功拉取到控制器的/var/lib/awx/projects/Windowsfile/users.csv路径，但read_csv任务找不到该文件，该如何解决？

解决方法 #

1. 使用绝对路径指定文件位置 #

read_csv任务里的path用绝对路径代替相对路径，因为AWX运行Playbook的工作目录并非文件存放目录：

- name: Read input file
  read_csv:
    path: /var/lib/awx/projects/Windowsfile/users.csv
    key: FirstName  
    fieldnames: FirstName,LastName,EmailAddress,Mobile
    delimiter: ','
  register: userdata

2. 动态获取文件路径（更灵活） #

如果不想写死路径，可以借助Ansible内置变量playbook_dir（指向当前Playbook所在目录）来动态拼接路径，适配项目路径变化：

- name: Read input file
  read_csv:
    path: "{{ playbook_dir }}/Windowsfile/users.csv"
    key: FirstName  
    fieldnames: FirstName,LastName,EmailAddress,Mobile
    delimiter: ','
  register: userdata

3. 确认并调整文件权限 #

确保AWX运行用户（通常为awx或root）对目标文件及目录拥有读权限，必要时添加权限调整任务：

- name: Ensure file is readable by AWX
  file:
    path: /var/lib/awx/projects/Windowsfile/users.csv
    mode: '0644'
    owner: awx
    group: awx

内容的提问来源于stack exchange，提问作者Blitzden