初探 AWS 平台上的 Docker 服務

2. Agenda Why Containers? Cluster Management Benefits Running Services Demo

3. Why Containers?

4. What are Containers? OS virtualization Process isolation Images AutomationServer Guest OS Bins/Libs Bins/Libs App2App1

5. Container advantages Portable Flexible Fast EfficientServer Guest OS Bins/Libs Bins/Libs App2App1

6. Services evolve to microservices Monolithic Application Order UI User UI Shipping UI Order Service User Service Shipping Service Data Access OrderUI Inventory Service Order Service Shipping Service

7. Containers are natural for microservices Simple to model Any app, any language Image is the version Test & deploy same artifact Stateless servers decrease change risk

8. Server Guest OS Bins/Libs Bins/Libs App2App1 Scheduling one resource is straightforward Going from this…

9. Scheduling a cluster is hard Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS Server Guest OS .. to this - is hard!

10. Amazon ECS

11. Amazon EC2 Container Service (ECS) is a highly scalable, high performance container management service that supports Docker containers and allows you to easily run applications on a managed cluster of Amazon EC2 instances.

12. Amazon ECS EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container Agent Communication Service Amazon ECS ECS AGENT TASK Container TASK Container LOAD BALANCER API Cluster Management Engine Key / Value Store

13. Amazon ECS - Cluster EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container LOAD BALANCER Agent Communication Service Amazon ECS API Cluster Management Engine Key / Value Store

14. Amazon ECS - Task EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container LOAD BALANCER Agent Communication Service Amazon ECS API Cluster Management Engine Key / Value Store

15. Amazon ECS - Service EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container LOAD BALANCER Agent Communication Service Amazon ECS API Cluster Management Engine Key / Value Store

16. Amazon ECS - Resource Management EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container Agent Communication Service Amazon ECS ECS AGENT TASK Container TASK Container LOAD BALANCER API Cluster Management Engine Key / Value Store

17. Amazon ECS - Agent Communication EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container Agent Communication Service Amazon ECS ECS AGENT TASK Container TASK Container LOAD BALANCER API Cluster Management Engine Key / Value Store

18. Amazon ECS - Key / Value Store EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container Agent Communication Service Amazon ECS ECS AGENT TASK Container TASK Container LOAD BALANCER API Cluster Management Engine Key / Value Store

19. Amazon ECS - API EC2 INSTANCES LOAD BALANCER Internet ECS AGENT TASK Container TASK Container ECS AGENT TASK Container TASK Container Agent Communication Service Amazon ECS ECS AGENT TASK Container TASK Container LOAD BALANCER API Cluster Management Engine Key / Value Store

20. Amazon ECS: Scheduling

24. Benefits

25. Amazon ECS benefits • Fully managed elastic service – You don’t need to run anything, and the service scales as your microservices architecture grows • Shared state optimistic scheduling • Deep Integration With Other AWS Services • Application Load Balancing • Amazon Elastic Block Store • Amazon Virtual Private Cloud • Amazon CloudWatch • AWS Identify and Access Management • AWS CloudTrail

26. Running services

27. Task Definitions Volume Definitions Container Definitions

28. Key Components: Task Definitions

29. Key Components: Task Definitions

30. Tasks Shared Data Volume Containers schedule Container Instance Volume Definitions Container Definitions

31. Unit of work Grouping of related Containers Run on Container Instances Tasks

32. Create a Service Good for long-running applications and services

33. Create Service Load Balance traffic across containers Automatically recover unhealthy containers Discover services Elastic Load Balancing Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers

34. Scale Service Scale up Scale down Elastic Load Balancing Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers

35. Update Service Deploy new version Drain connections new new new Elastic Load Balancing Shared Data Volume Containers old old old Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers

36. Update Service (cont.) Deploy new version Drain connections new new new Elastic Load Balancing Shared Data Volume Containers old old old Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers

37. Update Service (cont.) Deploy new version Drain connections Elastic Load Balancing Shared Data Volume Containers Shared Data Volume Containers Shared Data Volume Containers new new new

38. Update Service (cont.) Specify a deployment configuration for your service: • minimumHealthyPercent: lower limit (as a percentage of the service's desiredCount) of the number of running tasks that must remain running in a service during a deployment. • maximumPercent: upper limit (as a percentage of the service's desiredCount) of the number of running tasks that can be running in a service during a deployment.

39. Update Service (cont.) Deploy using the least space: minimumHealthyPercent = 50%, maximumPercent = 100%

40. Update Service (cont.) Deploy quickly without reducing service capacity: minimumHealthyPercent = 100%, maximumPercent = 200%

41. Demo

42. Thank You!

初探 AWS 平台上的 Docker 服務

Amazon Web Services

初探 AWS 平台上的 Docker 服務