当使用 template模块和with_fileglob 拷贝模板文件时间，相对目录为 files/
fileglob – list files matching a pattern
https://docs.ansible.com/ansible/latest/plugins/lookup/fileglob.html
Ansible with_fileglob is skipping
https://stackoverflow.com/questions/21627664/ansible-with-fileglob-is-skipping
with_fileglob looks in "files" dir when using template module
https://github.com/ansible/ansible/issues/27033
Working With Playbooks » Loops
https://docs.ansible.com/ansible/latest/user_guide/playbooks_loops.html#looping-over-fileglobs
当使用when条件判断时，变量引用不需要加 {{ }}
ansible - when statements should not include jinja2 templating delimiters
https://stackoverflow.com/questions/42673045/ansible-when-statements-should-not-include-jinja2-templating-delimiters
