Empower Your Microservices with Istio Service Mesh - NDC Oslo 2019

Transcript

1. Empower Your Microservices with Istio Service Mesh Hossam Barakat Lead Consultant at Readify @hossambarakat_ | www.hossambarakat.net
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!
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 DestinationRule VirtualService Gateway ServiceEntry
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-oslo
56. @hossambarakat_ Questions?
57. Thanks Hossam Barakat @hossambarakat_ www.hossambarakat.net