DevOps for networking engineers

Description

This course is not a soft skills course covering the
concepts of DevOps but instead concentrates on the
technical side of tools and languages for network
DevOps. Particular technologies focussed on are
ansible, git and Python enabling delegates to leave the
course ready to starting automating their network.
Hands on sessions follow all major sections. More
detailed courses on individual aspects of this course
are available.

What will you learn

Network DevOps course details

Administrators automating tasks.

TCP/IP Foundation

5 days

Programming and automating networks, networks and clouds, AWS, OpenStack, SDN, DevOps for network operations.

Configuring SSH, ZTP, POAP.

Hands on Initial lab configuration.

The language, the engine, the framework. Uses of ansible, orchestration. The architecture, Controlling machines, nodes, Agentless, SSH, modules. Configuration management, inventories, playbooks, modules, roles.

Hands on Installing ansible, running ad hoc commands.

ansible-playbook, YAML, plays, tasks, handlers, modules. Playbook variables. Register module, debug module.

Hands on Running playbooks.

/etc/ansible/hosts, hosts, groups, static inventories, dynamic inventories. Inventory variables, external variables. Limiting hosts.

Hands on Static inventories, variables in inventory files.

Built in modules, custom modules, return values. Core modules for network operations. Cisco and/or Juniper modules. ansible_connection. Ansible 2.6 CLI.

Hands on Using modules.

aConfiguration management, full configurations, partial configurations. The template module, the assemble module, connection: local, Jinja2 templates, variables, if, for, roles.

Hands on Generating multiple configurations from a template.

Why use Python? Why use ansible? alternatives, ansible tower, Linux network devices.

Python programming Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip instal.

Hands on Python programming with pyping.

Functions. Classes, objects and instances, modules, libraries, packages. Python strings, Python file handling, pip list, pip install.

Hands on Python programming with pyping.

Distributed version control, repositories, Git and GitHub, Alternatives to GitHub, Installing git, git workflows, creating repositories, adding and editing files, branching and merging, merge conflicts.

Hands on working with Git.

APIs, Sockets, Telnetlib, pysnmp, ncclient, ciscoconfparse.

Integrating Python and network devices using SSH. Netmiko, Netmiko methods.

Hands on Netmiko.

What is NAPALM, NAPALM operations, getters, Replace, merge, compare, commit, discard.

Hands on Configuration with NAPALM. Integrating ansible and NAPALM.

REST APIs, enabling the REST API. Accessing the REST API with a browser, cURL, Python and REST, the request library.

Hands on Using a REST API with network devices.