Data Modelling

Step1:

Input: <==

• Date modelling raw material (手工输入数据源, yaml format, 可以为设计架构HLD, vlan, IP 子网, bgp, 路由信息等)

• Jinja2 Template: (e.g. {% if condition %} ) Use to convert raw material data to data model structure type (yaml or py 格式 的 dictionary)

==>Output:

• Data modelling structure type file

Step2:

Input: <==

• Data modelling structure type

• More specific Jinja2 Template (更加明细的J2 template, 用于搭建如 详细vendor-specific配置文件(.cfg), ansible-playbook/host_file文件(.yaml) )

==>Output:

• vendor-specific配置文件(.cfg)

• ansible-playbook

• ansible host_file

Step3:

用相关程序执行step2 的output

• napalm

• ansible

• python

https://agileis.com.au/how-to-automate-your-network-using-ansible-and-napalm-part-2/

https://github.com/kokasha/NetAutomationExamples.git

Playbook Order:

## First Play

- hosts: localhost

name: Create per node data model

## Second Play

- hosts: all

name: Generate Configuration for all routers

## Third Play

- hosts: all

name: push the configuration to the devices