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![USING KUBERNETES
SERVICE
▸ K8S Internal service
▸ External service
▸ TCP Load Balancer
▸ [optional] Firewall
▸ *Global Load Balancer
▸ with Ingress](https://image.slidesharecdn.com/kubernetesworkshop-170804021956/75/Kubernetes-Workshop-16-2048.jpg)
Uploaded byWalter Liu
Kubernetes Workshop
This document summarizes Walter's Kubernetes workshop. The workshop will cover why containers and Kubernetes are useful, the basic Kubernetes components like pods and deployments, and how to complete some hands-on labs. It will demonstrate how to create pods and deployments, expose services, and configure additional Kubernetes objects like statefulsets, secrets and configmaps. Troubleshooting techniques like describing and logging pods will also be discussed.
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- 8. TEXT WHY CONTAINERS? ▸ Createnew instances in seconds ▸ Same images, environments across dev, test, production ▸ Agile deployment ▸ Lesser troubleshooting time about environments difference.
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- 10. TEXT WHY KUBERNETES? ▸ Managecontainers ▸ Mounting storage systems ▸ Distributing secrets/config ▸ Checking application health ▸ Replicating application instances ▸ Horizontal Autoscaling ▸ Naming and discovering ▸ Balancing loads ▸ Rolling updates ▸ Monitoring resources ▸ Accessing and ingesting logs ▸ Debugging applications ▸ Infrastructure as code
- 13. USING KUBERNETES COMPONENTS USEDIN THIS WORKSHOP ▸ POD ▸ Label ▸ Deployment ▸ Service
- 14. TEXT LAB - POD ▸Create a POD ▸ shell into that POD ▸ kubectl exec -it <pod_name> -c <container_name> bash ▸ touch a file ▸ kubectl delete that POD; create it again. ▸ shell into that POD and check if that file is existed.
- 15. TEXT LAB - DEPLOYMENT ▸Create a nginx pod by using deployment. ▸ Enlarge that deployment to 3 pods. ▸ Change to new nginx version.
- 16. USING KUBERNETES SERVICE ▸ K8SInternal service ▸ External service ▸ TCP Load Balancer ▸ [optional] Firewall ▸ *Global Load Balancer ▸ with Ingress
- 17. TEXT LAB - SERVICE ▸Expose that nginx service by using K8S service ▸ minikube service nginx-service —url ▸ View that nginx page.
- 18. USING KUBERNETES ADDITIONAL COMPONENTS ▸Statefulset ▸ Secrets/ConfigMap ▸ Endpoints ▸ Ingress ▸ Learn more about Google Load Balancer
- 19. USING KUBERNETES STATEFULSET ▸ Likedeployment with static POD name ▸ prod-nimo-kvs-0 ▸ prod-nimo-kvs-1 ▸ Usage: Sharded service ▸ redis ▸ memcached ▸ Other usage: static volume
- 20. USING KUBERNETES SECRETES/CONFIGMAP ▸ Usage:environment variables for Django settings ▸ No git for secretes
- 21. USING KUBERNETES ENDPOINTS ▸ Usage:IPs of external resources
- 22. USING KUBERNETES INGRESS ▸ GlobalLoad Balancer ▸ No firewall ability
- 23. USING KUBERNETES K8S+GCP LOADBALANCER ▸ GCP Global Load Balancer ▸ GCP TCP Load Balancer ▸ GCP Internal Load Balancer (1.7 beta support) ▸ K8S Internal Load Balancer
- 24. Ingress Service Deployment/POD Statefulset/POD GCPCloud SQL Service Service/Endpoints
- 25. TEXT TROUBLESHOOTING ▸ kubectl describe… ▸ kubectl get … (for example <pod/pod_name>) ▸ kubectl logs <pod_name> -c <container_name> ▸ kubectl exec -it <pod_name> -c <container_name> bash ▸ kubectl top (not for minikube) ▸ dashboard
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