Ansible Tutorial - Ansible Jinja2 Templating

Ansible Template - Jinja2

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How to Update variables in Jinja2 templates ?

How to work in Ansible Jinja2 Template?

A Ansible template is a simple text file that contains your configuration parameters and replace dynamic values are given as variables. this template file use Jinja2 templating engine with .j2 extension. we can define variables in double curly braces like {{ variable_name }}

To Create Ansible Templating (Jinja2)

cd /etc/ansiblevi templete.j2

This is my website {{ website }} and it's running on {{ server }} since {{ year }}



In this template we are using three variables , define in playbook

To create ansible playbook with any suitable name as you wish

vi template.yml

- hosts: all

  gather_facts: false

  vars:

  - website: linuxtopic.com

  - server:  apache

  - year: 2015

  tasks:

  - name:  update configuration using templates

    template: src=template.j2  dest=/tmp/template mode=0755 owner=apache group=apache

To execute ansible playbook with template module - we execute it only localhost by -l option  

ansible-playbook -l 127.0.0.1 template.yml

To verify updated files, replace by jinja2 template

ll /tmp/template

cat /tmp/template

End of this ansible templating tutorial, We successfully replace files with variable value in our configuration file.  

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Thanks,
www.linuxtopic.com