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The DevOps 2.3 Toolkit

You're reading from   The DevOps 2.3 Toolkit Kubernetes: Deploying and managing highly-available and fault-tolerant applications at scale

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781789135503
Length 418 pages
Edition 1st Edition
Concepts
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Author (1):
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Viktor Farcic Viktor Farcic
Author Profile Icon Viktor Farcic
Viktor Farcic
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Toc

Table of Contents (18) Chapters Close

Preface 1. How Did We Get Here? FREE CHAPTER 2. Running Kubernetes Cluster Locally 3. Creating Pods 4. Scaling Pods With ReplicaSets 5. Using Services to Enable Communication between Pods 6. Deploying Releases with Zero-Downtime 7. Using Ingress to Forward Traffic 8. Using Volumes to Access Host's File System 9. Using ConfigMaps to Inject Configuration Files 10. Using Secrets to Hide Confidential Information 11. Dividing a Cluster into Namespaces 12. Securing Kubernetes Clusters 13. Managing Resources 14. Creating a Production-Ready Kubernetes Cluster 15. Persisting State 16. The End 17. Other Books You May Enjoy

Destroying the cluster

The chapter is almost finished, and we do not need the cluster anymore. We want to destroy it as soon as possible. There's no good reason to keep it running when we're not using it. But, before we proceed with the destructive actions, we'll create a file that will hold all the environment variables we used in this chapter. That will help us the next time we want to recreate the cluster.

echo "export AWS_ACCESS_KEY_ID=$AWS_ACCESS_KEY_ID 
export AWS_SECRET_ACCESS_KEY=$AWS_SECRET_ACCESS_KEY 
export AWS_DEFAULT_REGION=$AWS_DEFAULT_REGION 
export ZONES=$ZONES 
export NAME=$NAME 
export KOPS_STATE_STORE=$KOPS_STATE_STORE" \ 
    >kops 

We echoed the variables with the values into the kops file, and now we can delete the cluster:

kops delete cluster \
    --name $NAME \
    --yes  

The output is as follows:

...
Deleted kubectl config...
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