Simplifying your Kubernetes infrastructure with CDK for Kubernetes (cdk8s)

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1. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. D E V D AY A U G U S T 2 5 , 2 0 2 3
2. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Simplifying your Kubernetes infrastructure with AWS CDK for Kubernetes (cdk8s) Abhishek Gupta Principal Developer Advocate Amazon Web Services 2
3. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. abhirockzz.github.io/about/ @abhi_tweeter linkedin/in/abhirockzz
4. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 4
5. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. What I actually do?
6. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 6 YAML everywhere
7. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. …. using Agenda – Avoiding YAML 😉
8. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. I hope you find this (book?) useful 🙂 8 Chapters GitHub repository
9. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 9 AWS CloudFormation AWS Cloud Development Kit (AWS CDK) Infrastructure AS Code (IaC) Infrastructure IS Code
10. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Cloud Development Kit (CDK) for Kubernetes (cdk8s) An open-source multi-language framework for modeling Kubernetes resources as reusable components Go from code to config Define Kubernetes applications and architectures using familiar programming languages Cut, copy & paste Turn best practices into code libraries and share easily Run everywhere cdk8s runs locally and generates YAML you can deploy to any cluster, anywhere Java
11. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Demo – hello “cdk8s”
12. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Manifests Assembly synth kubectl/GitOps CLI Kubernetes resources publish Publish packages Code repository Charts & constructs Source code code init Project cdk8s workflow
13. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. 13 cdk8s components 1 1 2 2 3 3 cdk8s code Conceptual diagram
14. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Improve productivity with cdk8s+ and Custom Constructs
15. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. cdk8s+ (plus) 15 🤯 Nodejs example
16. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. cdk8s+ (plus) 16 🧐 Go example
17. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Custom constructs Reusable Composable Enforce best practices 17 constructs.dev
18. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Demo – cdk8s-plus and custom constructs
19. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Integrating with Kubernetes Custom Resource Definitions (CRDs)
20. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Kubernetes Custom Resource Definitions (CRDs)
21. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. AWS Controllers for Kubernetes (ACK) O P E N - S O U R C E P R O J E C T F O R M A N A G I N G A M A Z O N R E S O U R C E S F R O M K U B E R N E T E S A P I kubectl apply ACK supported AWS Services Custom resource Amazon RDS database Amazon EKS
22. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. How do I use CRDs with cdk8s? 1. cdk8s import 🚀 2. Packages ready to use 🤯 3. Write code 🧑💻 4. cdk8s synth 💥
23. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Demo – cdk8s + ACK on EKS
24. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Manage Redis on AWS from Kubernetes
25. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. cdk8s and AWS CDK 🤝
26. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Paradigm Shift AWS CloudFormation CDK App Source Code Stack A Template A Template B AWS CloudFormation Stack B Parameterized Template Stack 1 Stack 2 CloudFormation Parameters and intrinsic functions CDK Typed OO language: loops, conditions, inheritence, etc
27. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. https://imgflip.com/i/7wijoy
28. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Deploying apps to EKS with AWS CDK – the ”hard” way 😓 1 2 3
29. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. addManifest(….) CDK reference doc, godoc
30. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. addCdk8sChart(…) to the rescue! CDK reference doc, godoc
31. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Walkthrough – AWS CDK + cdk8s on EKS
32. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Removing Less YAML Infrastructure-as-Code Infrastructure-IS-code Write code (not YAML) Optimize (cdk8s+), Reusability (constructs), Extend (CRD) Combine with AWS CDK, and more. cdk8s recap
33. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Resources… 33 https://cdk8s.io/docs/latest/reference/ https://github.com/cdk8s-team/cdk8s/tree/master/examples/go/
34. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Thank you! © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. @abhi_tweeter linkedin/in/abhirockzz
35. © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved. Please complete the session survey © 2023, Amazon Web Services, Inc. or its affiliates. All rights reserved.