模組文件

1. Ansible-doc 可查詢各模組的文件， -h 選項查輔助說明。

   ceuser@deyu:~/ansible_pb$ ansible-doc -h
   usage: ansible-doc [-h] [--version] [-v] [-M MODULE_PATH]
                      [--playbook-dir BASEDIR]
   ..............省略...............
   
   options:
     --metadata-dump       **For internal use only** Dump json metadata for all
                           entries, ignores other options.
   ..............省略...............
     --version             show program's version number, config file location,
                           configured module search path, module location,
                           executable location and exit
   ..............省略...............
     -h, --help            show this help message and exit
     -j, --json            Change output into json format.
     -l, --list            List available plugins. A supplied argument will be
                           used for filtering, can be a namespace or full
                           collection name.
   ..............省略...............
   See man pages for Ansible CLI options or website for tutorials
   https://docs.ansible.com
   

2. ansible-doc 列出可用的模組

   ceuser@deyu:~/ansible_pb$ ansible-doc -l
   

3. ansible-doc 列出可用的模組，過濾 yum，找到有 yum 及 yum_repository 兩個模組。

   ceuser@deyu:~/ansible_pb$ ansible-doc -l | grep yum
   ansible.builtin.yum                    Manages packages with the `yum' pack...
   ansible.builtin.yum_repository         Add or remove YUM repositories