Building APIs with kubernetes
- 1. 1 J O N G E A R @ G e a r e d U p Te c h @ J o n G e a r j o n . g e a r @ j d k t e c h . c o m K8s APIs
- 2. 2 Agenda G o S e r v e r l e s s M e e t u p 1. What is Kubernetes (K8s) 2. Who is using K8s 3. Building APIs with K8s 4. Pictures of containers 5. Next Steps J u l y 1 7 t h 2 0 1 8
- 3. 3
- 4. 4 “Kubernetes is an open- source system for automating deployment, scaling, and management of containerize applications” What is Kubernetes?
- 5. 5
- 6. 6
- 7. 7
- 8. 8
- 9. 9
- 10. 10
- 11. 11 Who is using Kubernetes? G r e e k f o r “ h e l m s m a n ” Helmsman
- 14. 14 How does Kubernetes work? G r e e k f o r “ h e l m s m a n ”
- 15. 15 01 M a s t e r Responsible for managing the cluster 02 N o d e Worker machine in cluster 03 P o d ( N o d e p r o c e s s ) Atomic unit of Kubernetes
- 16. 16 The Master M a n a g e s t h e c l u s t e r01 E x p o s e s K u b e r n e t e s A P I 02 S c h e d u l e s , s c a l e s a n d r o l l s o u t n e w u p d a t e s 03 01
- 17. 17 The Node Wo r k e r m a c h i n e01 K u b e l e t : s c h e d u l e s p o d s a c r o s s t h e n o d e s i n t h e c l u s t e r 02 P o d b a l a n c i n g h a n d l e d b y m a s t e r 03 02
- 18. 18 The Node02 Business Title Here Containers should only be scheduled together in a single Pod if they are tightly coupled and need to share resources such as disk
- 19. 19 The Pod S h a r e d s t o r a g e , a s Vo l u m e s 01 N e t w o r k i n g , a s a u n i q u e c l u s t e r I P a d d r e s s 02 C r e a t e d t h r o u g h d e p l o y m e n t s 03 03
- 20. 20 How do I build microservices with Kubernetes?
- 21. 21
- 22. 22
- 23. 23
- 24. 24 Ambassador A P I G a t e w a y f o r K 8 s b u i l t o n E n v o y https://www.getambassador.io
- 25. 25 01 R o u t i n g Regex, method and header-based routing 02 U R L R e w r i t i n g Replace the URL prefix 03 g R P C 04 C a n a r y R e l e a s e Test updates against subset of production traffic 05 Tr a f f i c S h a d o w i n g Test services with production data, mirroring live traffic 06 We b s o c k e t s Ambassador A P I G a t e w a y f o r K 8 s b u i l t o n E n v o y
- 26. 26
- 28. 28 Helm P a c k a g e m a n a g e r f o r K u b e r n e t e s https://helm.sh Packages of pre-configured k8s resources https://github.com/kubernetes/helm Charts Two Parts Helm client (helm) Helm server (tiller) https://docs.helm.sh/using_helm/#installing-helm
- 29. 29 Virtual Kubelet S e r v e r l e s s c o n t a i n e r e x t e n s i o n Providers • Azure Container Instances • AWS Fargate • Hyper.sh • Roll your own provider https://github.com/virtual-kubelet/virtual-kubelet
- 30. 30 Cloud Support
- 31. 31 Thanks for coming! • Kubernetes interactive tutorial https://kubernetes.io/docs/tutorials/kubernetes-basics • Getting Stated with Microservies using Go, gRPC and Kubernetes https://outcrawl.com/getting-started-microservices-go-grpc-kubernetes • Sign up for Kubernetes slack http://slack.k8s.io • Kubernetes team office hours every third Wednesday of the month 1pm / 8pm UTC (that’s tomorrow!) https://github.com/kubernetes/community/blob/master/events/office-hours.md • Deploy a Go application to Kubernetes in 30 seconds https://bit.ly/2uBGHT2 • Getting started with micro services and Kubernetes (Ambassador setup) https://hackernoon.com/getting-started-with-microservices-and-kubernetes-76354312b556 J O N G E A R @ G e a r e d U p Te c h @ J o n G e a r j o n . g e a r @ j d k t e c h . c o m L i n k s f o r g e t t i n g s t a r t e d :