Introduction to Junos Platform Automation and DevOps (IJAUT)

Course Level

Introduction to Junos Platform Automation and DevOps (IJAUT) is an introductory-level course.

Intended Audience

This course benefits individuals responsible for configuring and monitoring devices running the Junos OS.

Prerequisites

Basic understanding of the OSI model and the TCP/IP protocol suite;

Basic understanding of computer networking concepts.

Objectives

After successfully completing this course, you should be able to:

• Describe DevOps principles and practices.
• Explain how DevOps benefits an IT organization.
• Discuss Network Reliability Engineering.
• List and describe the various APIs Junos provides for automation.
• Discuss the frameworks, libraries and tools used to automate Junos devices.
• Understand XML document format.
• Explain how the Junos OS uses XML.
• Use XPath to navigate a Junos XML document.
• Understand the NETCONF protocol.
• Use NETCONF and the XML API to issue Junos RPCs.
• List available XML API programming languages.
• Configure Junos device using NETCONF.
• Understand JSON syntax.
• Explain how JSON is used in Junos .
• Understand YAML syntax.
• Explain how Junos automation tools use YAML.
• Use JSON and YAML documents.
• Verify an Ansible installation.
• Retrieve information from Junos devices using Ansible.
• Use Ansible to configure Junos devices.
• Understand fundamental Python concepts.
• Use the Python 3 interactive interpreter.
• Modify and run Python scripts.
• Install Junos PyEZ.
• Use Junos PyEZ to connect to Junos devices and retrieve facts.
• Use Junos PyEZ to execute Junos RPCs.
• Use Junos PyEZ to modify Junos device configuration.
• Describe Python exception handling with PyEZ.
• Describe the capabilities of the Junos OS REST API.
• Generate REST API RPC queries.
• Use the REST API Explorer.
• Describe the Junos operating system and its basic design architecture.
• Explain transit and exception traffic processing.
• Describe the Junos CLI and its features.
• List and perform initial configuration tasks.
• Describe interface types and perform basic interface configuration tasks

Course Contents

Day 1

Module 1: Course Introduction

Module 2: Introduction to DevOps

• Why DevOps?
• The Benefits of DevOps

Module 3: Junos Automation

• The Junos Automation Stack
• Junos XML API Overview
• Junos REST API Overview
• Junos JET API Overview
• Overview of Junos Automation Tools

Module 4: XML and XPath

• Basic XML Syntax
• XML in the Junos OS
• Navigating the XML Schema with XPath
• Lab 1: XML and XPath

Day 2

Module 5: XML and NETCONF

• NETCONF
• Junos XML API
• Junos XML API Programming Languages
• Lab 2: XML and NETCONF

Module 6: Python Fundamentals

• Python Basics
• Python Types and Variables
• Lists, Dictionaries, Sets, and Tuples
• Python Libraries
• Python Script Examples
• Lab 3: Python Fundamentals

Module 7: Junos PyEZ Operations

• Junos PyEZ
• Execute Junos RPCs
• Perform Device Operations
• Lab 4: Junos PyEZ Operations

Day 3

Module 8: Junos PyEZ Configuration

• Junos PyEZ Configuration
• Junos PyEZ Exception Handling
• Junos PyEZ and Jinja2
• Lab 5: Junos PyEZ Configuration

Module 9: JSON and YAML

• Data Formatting
• JSON Basics
• JSON Support in Junos
• YAML Basics
• Junos Automation and YAML
• Lab 6: JSON and YAML

Module 10: The Junos REST API

• REST API Overview
• Configuring the REST API
• Using the REST API
• REST API Explorer
• Lab 7: Using the Junos REST API

Appendix A: Introduction to Junos

• Junos OS Basic Design Architecture
• Traffic Processing
• CLI Modes and Features
• Initial Configuration Tasks
• Interface Types and Configuration
• Lab 8: Introduction to Junos

Appendix B: Ansible

• Ansible Architecture and Capabilities
• Ansible Playbook Basics
• Using Ansible to Retrieve Junos Status Information
• Using Ansible to Retrieve and Modify Configuration Information
• Case Study
• Lab 9: Ansible