【模板语法】jangod基本语法

http://api.farbox.com/read/template-syntax

http://www.lxway.com/122904656.htm

http://www.xuebuyuan.com/zh-hant/2041062.html

Template Designer Documentation

http://jinja.pocoo.org/docs/2.9/templates/#whitespace-control

How to Work with Ansible Template Module with Examples

http://www.mydailytutorials.com/ansible-template-module-examples

http://docs.ansible.com/ansible/latest/user_guide/playbooks_filters.html