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  • Book Overview & Buying Network Automation with Go
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Network Automation with Go

Network Automation with Go

By : Nicolas Leiva, Michael Kashin
5 (5)
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Network Automation with Go

Network Automation with Go

5 (5)
By: Nicolas Leiva, Michael Kashin

Overview of this book

Go’s built-in first-class concurrency mechanisms make it an ideal choice for long-lived low-bandwidth I/O operations, which are typical requirements of network automation and network operations applications. This book provides a quick overview of Go and hands-on examples within it to help you become proficient with Go for network automation. It’s a practical guide that will teach you how to automate common network operations and build systems using Go. The first part takes you through a general overview, use cases, strengths, and inherent weaknesses of Go to prepare you for a deeper dive into network automation, which is heavily reliant on understanding this programming language. You’ll explore the common network automation areas and challenges, what language features you can use in each of those areas, and the common software tools and packages. To help deepen your understanding, you’ll also work through real-world network automation problems and apply hands-on solutions to them. By the end of this book, you’ll be well-versed with Go and have a solid grasp on network automation.
Table of Contents (18 chapters)
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1
Part 1: The Go Programming Language
6
Part 2: Common Tools and Frameworks
10
Part 3: Interacting with APIs

Debugging Go programs

Reading and reasoning about an existing code base is a laborious task, and it gets even harder as programs mature and evolve. This is why, when learning a new language, it’s very important to have at least a basic understanding of the debugging process. Debugging allows us to halt the execution of a program at a pre-defined place and step through the code line by line while examining in-memory variables and data structures.

In the following example, we use Delve to debug the packet-capture program we just ran. Before you can start, you need to generate some traffic through the lab topology with make traffic-start:

$ make traffic-start
docker exec -d clab-netgo-cvx systemctl restart hsflowd
docker exec -d clab-netgo-host-3 ./ethr -s
docker exec -d clab-netgo-host-1 ./ethr -c 203.0.113.253 -b 900K -d 60s -p udp -l 1KB
docker exec -d clab-netgo-host-1 ./ethr -c 203.0.113.252 -b 600K -d 60s -p udp -l 1KB
docker exec -d clab-netgo-host-1 ./ethr -c 203...
CONTINUE READING
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Programming languages
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Network Automation with Go
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