Cloud & Networking
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You're reading from  The DevOps 2.5 Toolkit

Product typeBook
Published inNov 2019
PublisherPackt
ISBN-139781838647513
Edition1st Edition
Tools
Kubernetes
Concepts
DevOps
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Author (1)
Viktor Farcic
Viktor Farcic
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Viktor Farcic

Viktor Farcic is a senior consultant at CloudBees, a member of the Docker Captains group, and an author. He codes using a plethora of languages starting with Pascal (yes, he is old), Basic (before it got the Visual prefix), ASP (before it got the .NET suffix), C, C++, Perl, Python, ASP.NET, Visual Basic, C#, JavaScript, Java, Scala, and so on. He never worked with Fortran. His current favorite is Go. Viktor's big passions are Microservices, Continuous Deployment, and Test-Driven Development (TDD). He often speaks at community gatherings and conferences. Viktor wrote Test-Driven Java Development by Packt Publishing, and The DevOps 2.0 Toolkit. His random thoughts and tutorials can be found in his blog—Technology Conversations
Read more about Viktor Farcic

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Scaling up the cluster

The objective is to scale the nodes of our cluster to meet the demand of our Pods. We want not only to increase the number of worker nodes when we need additional capacity, but also to remove them when they are underused. For now, we'll focus on the former, and explore the latter afterward.

Let's start by taking a look at how many nodes we have in the cluster.

 1  kubectl get nodes

The output, from GKE, is as follows.

NAME             STATUS ROLES  AGE   VERSION
gke-devops25-... Ready  <none> 5m27s v1.9.7-gke.6
gke-devops25-... Ready  <none> 5m28s v1.9.7-gke.6
gke-devops25-... Ready  <none> 5m24s v1.9.7-gke.6

In your case, the number of nodes might differ. That's not important. What matters is to remember how many you have right now since that number will change soon.

Let's take a look at the definition of the go-demo...

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The DevOps 2.5 Toolkit
Published in: Nov 2019Publisher: PacktISBN-13: 9781838647513
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Viktor Farcic

Viktor Farcic is a senior consultant at CloudBees, a member of the Docker Captains group, and an author. He codes using a plethora of languages starting with Pascal (yes, he is old), Basic (before it got the Visual prefix), ASP (before it got the .NET suffix), C, C++, Perl, Python, ASP.NET, Visual Basic, C#, JavaScript, Java, Scala, and so on. He never worked with Fortran. His current favorite is Go. Viktor's big passions are Microservices, Continuous Deployment, and Test-Driven Development (TDD). He often speaks at community gatherings and conferences. Viktor wrote Test-Driven Java Development by Packt Publishing, and The DevOps 2.0 Toolkit. His random thoughts and tutorials can be found in his blog—Technology Conversations
Read more about Viktor Farcic

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