如何检查Ansible中是否存在文件?

问题描述

我必须检查/etc/中是否存在文件.如果文件存在，那么我必须跳过任务.这是我正在使用的代码:

I have to check whether a file exists in /etc/. If the file exists then I have to skip the task.Here is the code I am using:

- name: checking the file exists
  command: touch file.txt
  when: $(! -s /etc/file.txt)

推荐答案

您可以先检查目标文件是否存在，然后根据其结果输出做出决定:

You can first check that the destination file exists or not and then make a decision based on the output of its result:

    tasks:
      - name: Check that the somefile.conf exists
        stat:
          path: /etc/file.txt
        register: stat_result

      - name: Create the file, if it doesnt exist already
        file:
          path: /etc/file.txt
          state: touch
        when: not stat_result.stat.exists

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