Book Image

Practical Network Automation

By : Abhishek Ratan
Book Image

Practical Network Automation

By: Abhishek Ratan

Overview of this book

Network automation is the use of IT controls to supervise and carry out every-day network management functions. It plays a key role in network virtualization technologies and network functions. The book starts by providing an introduction to network automation, SDN, and its applications, which include integrating DevOps tools to automate the network efficiently. It then guides you through different network automation tasks and covers various data digging and reporting methodologies such as IPv6 migration, DC relocations, and interface parsing, all the while retaining security and improving data center robustness. The book then moves on to the use of Python and the management of SSH keys for machine-to-machine (M2M) communication, all followed by practical use cases. The book also covers the importance of Ansible for network automation including best practices in automation, ways to test automated networks using different tools, and other important techniques. By the end of the book, you will be well acquainted with the various aspects of network automation.
Table of Contents (14 chapters)
Title Page
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Python modules and packages


Because Python is the most popular open source coding language, there are many developers who contribute their expertise by creating specific modules and sharing them for others to use. These modules are a specific set of functions or instructions that are used to perform specialized tasks and can be called easily in our programs. The modules can be easily called using the import command inside the scripts. Python has many built-in modules that are directly called using import, but for specialized modules, an external installation is needed. Luckily, Python provides a very easy way to download and install these modules.

As an example, let's install a module named Netmiko that can help us work on logging into network devices more efficiently. Python provides a well-documented reference for each of the modules, and for our module, the documentation can be found at https://pypi.python.org/pypi/netmiko. For installation, all we have to do is go into the folder from...