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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

What now?

There's nothing left to do but to destroy what we did so far.

This time, we cannot just delete the cluster. Such an action would leave the EBS volumes running. So, we need to remove them first.

We could remove EBS volumes through AWS CLI. However, there is an easier way. If we delete all the claims to EBS volumes, they will be deleted as well since our PersistentVolumes are created with the reclaim policy set to Delete. EBS volumes are created when needed and destroyed when not.

Since all our claims are in the jenkins namespace, removing it is the easiest way to delete them all.

kubectl delete ns jenkins

The output shows that the namespace "jenkins" was deleted and we can proceed to delete the cluster as well.

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

We can see from the output that the cluster devops23.k8s.local was deleted and we are left only with the...

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