python - 错误为 : re. 错误:运行 ansible playbook 时全局标志不在位置 1 表达式的开头

Question

有人可以协助如何解决此问题吗？为什么我在运行 Ansible playbook 时遇到此错误

2023-03-31 11:47:39,902 p=57332 u=NI40153964 n=ansible | An exception occurred during task execution. To see the full traceback, use -vvv. The error was: re.error: global flags not at the start of the expression at position 1 2023-03-31 11:47:39,903 p=57332

Python 和 Ansible 版本:

• Python 3.11.2
• Ansible [核心 2.14.3]

我正在使用的 YML 文件

    - name: rename log file to user specific
      delegate_to: localhost
      command: mv ~/.ansible/wmDeployment.log ~/.ansible/wmDeployment_{{_user}}.log
      register: logfile_rename_output
      run_once: true
      ignore_errors: yes

    - name: set the fact for email
      set_fact:
        package_list: "{{hostvars['localhost']['package_list']}}"
        log_output: "{{log_data| regex_search('((?s)(?<=This task is to install package in target servers).*?(?=This task is to enable kafka consumers and send mail of playbook log))')}}"
        emailkey: code
        cacheable: true

Answer 1

错误消息表明您需要将 (?s) 放在正则表达式的最开头。或者，尝试类似的方法

    log_output: "{{log_data| regex_search('(?s:(?<=This task is to install package in target servers)(.*?)(?=This task is to enable kafka consumers and send mail of playbook log))"