Book Image

DevOps for Networking

By : Steven Armstrong
Book Image

DevOps for Networking

By: Steven Armstrong

Overview of this book

Frustrated that your company’s network changes are still a manual set of activities that slow developers down? It doesn’t need to be that way any longer, as this book will help your company and network teams embrace DevOps and continuous delivery approaches, enabling them to automate all network functions. This book aims to show readers network automation processes they could implement in their organizations. It will teach you the fundamentals of DevOps in networking and how to improve DevOps processes and workflows by providing automation in your network. You will be exposed to various networking strategies that are stopping your organization from scaling new projects quickly. You will see how SDN and APIs are influencing DevOps transformations, which will in turn help you improve the scalability and efficiency of your organizations networks operations. You will also find out how to leverage various configuration management tools such as Ansible, to automate your network. The book will also look at containers and the impact they are having on networking as well as looking at how automation impacts network security in a software-defined network.
Table of Contents (19 chapters)
DevOps for Networking
About the Author
About the Reviewer

Using Ansible to Orchestrate load balancers

In Chapter 4, Configuring Network Devices Using Ansible, we covered the basics of Ansible and how to use an Ansible Control Host, playbooks, and roles for configuration management of network devices. Ansible, though, has multiple different core operations that can help with orchestrating load balancers, which we will look at in this chapter.


Ansible delegation is a powerful mechanism that means from a playbook or role, Ansible can carry out actions on the target servers specified in the inventory file by connecting to them using SSH or WinRM, or alternately execute commands from the Ansible Control Host. WinRM is the Microsoft remote management standard and the equivalent of SSH for Windows that allows administrators to connect to Windows guests and execute programs.

The following diagram shows these two alternative connection methods with the Ansible Control Host either logging in to boxes using SSH or WinRM to configure them or running...