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Avatar for Hossam Barakat Hossam Barakat
October 18, 2019
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Empower Your Microservices with Istio Service Mesh - NDC Sydney 2019

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Hossam Barakat

October 18, 2019
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Transcript

  1. Empower Your Microservices with Istio Service Mesh Hossam Barakat Lead

    Consultant at Telstra Purple @hossambarakat_

  2. @hossambarakat_ • Intro to Istio Service Mesh • Istio Architecture

    • Traffic Routing • Reliability • Observability Agenda

  3. @hossambarakat_ Monolith Service Service Service Service

  4. @hossambarakat_ Monolith Container Engine Container Container Container Container Orchestration Engine

  5. @hossambarakat_ Distributed Services Same Host Service A Service B Host

    A Service A Host B Service B Network

  6. @hossambarakat_

  7. @hossambarakat_ • The network is reliable. • Latency is zero.

    • Bandwidth is infinite. • The network is secure. • Topology doesn't change. • There is one administrator. • Transport cost is zero. • The network is homogeneous. Fallacies of distributed computing

  8. @hossambarakat_ We can achieve that using application frameworks

  9. @hossambarakat_ Using Application Level Frameworks Host A Service A Host

    B Service B Network Service Discovery Retry Policies Service Discovery Retry Policies

  10. @hossambarakat_ Let’s write this new service in Elixir!

  11. None

  12. @hossambarakat_ Host A Sidecar Proxy Sidecar Proxy Service A Host

    B Service B Service Discovery Retry Policies Sidecar Proxy Service Discovery Retry Policies Network

  13. @hossambarakat_ Enter Service Mesh

  14. @hossambarakat_ Service Mesh Data Plane

  15. @hossambarakat_ Service Mesh Control Plane Control Plane

  16. @hossambarakat_ Istio

  17. @hossambarakat_ Istio Architecture Service A Service B

  18. @hossambarakat_ Istio Architecture Service A Proxy Service B Pilot Proxy

    Mixer Citadel

  19. @hossambarakat_ Istio Architecture Service A Proxy Service B Pilot Proxy

    Mixer Citadel Control Plane

  20. @hossambarakat_ Kubernetes

  21. @hossambarakat_ Pods Pod

  22. @hossambarakat_ Sidecar Pod

  23. @hossambarakat_ Service 10.0.0.2 Pod B 10.0.0.3 Pod C IP: 10.0.0.30

    DNS: myservice Service 10.0.0.1 Pod A

  24. @hossambarakat_ Espresso Shop

  25. @hossambarakat_ Espresso Shop

  26. @hossambarakat_ Espresso Shop

  27. @hossambarakat_ Espresso Shop Services Web Product Catalog Reviews

  28. @hossambarakat_ Espresso Shop on Istio Web Product Catalog Reviews V1

    Proxy Proxy Proxy Reviews V2 Proxy X

  29. @hossambarakat_

  30. @hossambarakat_ Traffic Routing

  31. @hossambarakat_ • Envoy Proxy • Pilot Traffic Routing

  32. @hossambarakat_ • Envoy is an open source edge and service

    proxy, designed for cloud-native applications Envoy Proxy

  33. @hossambarakat_ Pilot

  34. @hossambarakat_ Request Routing Configuration Sidecar Destination Rule Virtual Service Gateway

    Service Entry

  35. @hossambarakat_ Routing Configurations Web Virtual Service Destination Rule Reviews V1

    Reviews V2

  36. @hossambarakat_

  37. @hossambarakat_ Canary Deployment Web Proxy Reviews V1 Proxy Reviews V2

    Proxy

  38. @hossambarakat_

  39. @hossambarakat_ User Role Based Routing Web Proxy Reviews V1 Proxy

    Reviews V2 Proxy

  40. @hossambarakat_

  41. @hossambarakat_ Reliability

  42. @hossambarakat_ • Timeout • Retry • Fault Injection • Circuit

    breakers Reliability

  43. @hossambarakat_ Timeout Web Proxy Reviews V1 Proxy

  44. @hossambarakat_

  45. @hossambarakat_ Fault Injection Web Proxy Reviews V1 Proxy

  46. @hossambarakat_

  47. @hossambarakat_ Circuit Breaker

  48. @hossambarakat_ Observability

  49. @hossambarakat_ • Distributed Tracing • Metrics • Success rates •

    Request volumes • Request duration • Latency Observability

  50. @hossambarakat_ Mixer

  51. @hossambarakat_ Mixer Adapters https://istio.io/docs/reference/config/policy-and-telemetry/adapters/

  52. @hossambarakat_

  53. @hossambarakat_

  54. @hossambarakat_ Summary

  55. @hossambarakat_ • https://github.com/hossambarakat/EspressoShop • Learn Istio using Interactive Hands-on Scenarios

    (Katacoda) • https://istio.io/docs/ Resources https://bit.ly/istio-ndc-sydney-2019

  56. @hossambarakat_ Questions?

  57. Thanks Hossam Barakat @hossambarakat_