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DevOps Days Galway 2017

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This talk was delivered at the DevOps Days 2017 in Galway, Ireland.

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DevOps Days Galway 2017

  1. 1. 1
  2. 2. Agenda • Introduction to Kuberrnetes • Kubernetes Architecture Kubernetes Overview • Federation architecture • Setting up the federation • Demo environment Kubernetes federation • Basic usage • HA / Fault-Tolerance (Region) • Cloud burst • Law enforcement Use cases (Demo) 2
  3. 3. What is Kubernetes? And Docker? 3
  4. 4. Production-Grade Container Orchestration 4 Source: http://kubernetes.io
  5. 5. Kubernetes Components 5 Source: https://cdn.thenewstack.io/media/2016/08/Kubernetes-Architecture-1024x637.png Master or Control Plane Worker
  6. 6. Hybrid Cloud with Kubernetes 6 DevOps Guy Deploy Half Deploy Half
  7. 7. Kubernetes Federation Ubernetes 7
  8. 8. Hybrid Cloud with Federation 8 DevOps Guy Deploy App/2 Deploy App/2 Deploy full app Federated Kubernetes
  9. 9. Federated Control Plane DevOps Guy 9
  10. 10. Setting up cluster federation with Kubefed Kubefed is a command line tool to help administrate federated clusters Host cluster: kubefed init is the command to deploy the components of the federated control plane on a given Kubernetes cluster. DNS provider: currently GKE and AWS supported, automatically populates DNS with federated services 10 $ kubefed init federation --host-cluster-context=gke --dns-zone-name="galwaycit.eu.org." --dns- provider="google-clouddns" Creating a namespace federation-system for federation system components... done Creating federation control plane service............... done Creating federation control plane objects (credentials, persistent volume claim)... done Creating federation component deployments... done Updating kubeconfig... done Waiting for federation control plane to come up................. done Federation API server is running at: 35.200.105.198
  11. 11. Joining clusters to the federation - kubefed join 11 $ kubefed --context=federation join japan --cluster-context=gkejpn --host-cluster-context=gkejpn cluster "japan" created $ kubefed --context=federation join uk --cluster-context=azuk --host-cluster-context=gkejpn cluster "uk" created $ kubefed --context=federation join us --cluster-context=azus --host-cluster-context=gkejpn cluster "us" created $ kubectl config use-context federation Switched to context "federation". … $ kubectl get cluster NAME STATUS AGE japan Ready 1m uk Ready 42s us Unknown 28s … $ kubectl get cluster NAME STATUS AGE japan Ready 1m uk Ready 52s us Ready 38s
  12. 12. Demo environment 12 Google Japan Host Cluster Azure UK Azure US
  13. 13. Demo time 13
  14. 14. Use case 1 Basic usage 14
  15. 15. 15
  16. 16. Use case 2 Region Fault Tolerance / HA 16
  17. 17. 17
  18. 18. Use case 3 Cloud burst 18
  19. 19. 19
  20. 20. Use case 4 Law enforcement 20
  21. 21. 21
  22. 22. Questions? Thank you. Cynthia Lopes do Sacramento: cynthia.sacramento@hpe.com Miguel Castilho Dias: miguel.castilho-dias@hpe.com November 2017

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