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DevOps for Networking

You're reading from   DevOps for Networking Bringing Network Automation into DevOps culture

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Product type Paperback
Published in Oct 2016
Publisher
ISBN-13 9781786464859
Length 364 pages
Edition 1st Edition
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Author (1):
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Steven Armstrong Steven Armstrong
Author Profile Icon Steven Armstrong
Steven Armstrong
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Table of Contents (13) Chapters Close

Preface 1. The Impact of Cloud on Networking 2. The Emergence of Software-defined Networking FREE CHAPTER 3. Bringing DevOps to Network Operations 4. Configuring Network Devices Using Ansible 5. Orchestrating Load Balancers Using Ansible 6. Orchestrating SDN Controllers Using Ansible 7. Using Continuous Integration Builds for Network Configuration 8. Testing Network Changes 9. Using Continuous Delivery Pipelines to Deploy Network Changes 10. The Impact of Containers on Networking 11. Securing the Network Index

Introduction to Ansible


Ansible is primarily a push-based configuration management tool that uses a single Ansible Control Host, and it can connect to multiple Linux guest operating systems via SSH to configure them and recently added WinRM support, so it can now also configure Windows guests in the same way as Linux-based operating systems. As Ansible can connect to multiple servers simultaneously, it aids operators by allowing them to carry out uniform operations across multiple Linux or Windows servers at the same time. This allows Ansible to help simplify the automation of repeatable tasks by defining them in YAML, so they can be consistently executed against target servers. Ansible can also be used as a centralized orchestration tool that can connect to API endpoints and sequence API operations.

Here, we can see an example of the way an Ansible Control Host connects to servers or acts as a centralized orchestration tool:

Every operation that Ansible carries out should be idempotent as...

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