Empower Your Microservices with Istio Service Mesh - Sydney Alt.Net

Transcript

1. Empower Your
   Microservices with
   Istio Service Mesh
   Hossam Barakat
   Lead Consultant at Readify
   @hossambarakat_ | www.hossambarakat.net
   

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2. @hossambarakat_
   • Intro to Istio Service Mesh
   • Istio Architecture
   • Traffic Routing
   • Reliability
   • Observability
   Agenda
   

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3. @hossambarakat_
   Monolith Service Service Service Service
   

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

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

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6. @hossambarakat_
   How hard can it be?
   

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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
   

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8. @hossambarakat_
   Using Application Level Frameworks
   Host A
   Service A
   Host B
   Service B
   Network
   Service Discovery
   Retry Policies
   Service Discovery
   Retry Policies
   

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

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10. @hossambarakat_
    Host A
    Sidecar Proxy
    Sidecar Proxy
    Service A
    Host B
    Service B
    Service Discovery
    Retry Policies
    Sidecar Proxy
    Service Discovery
    Retry Policies
    Network
    

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11. @hossambarakat_
    Enter Service Mesh
    

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12. @hossambarakat_
    Service Mesh Data Plane
    

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13. @hossambarakat_
    Service Mesh Control Plane
    Control Plane
    

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14. @hossambarakat_
    Istio
    

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15. @hossambarakat_
    Istio Architecture
    Service A Service B
    

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16. @hossambarakat_
    Istio Architecture
    Service A
    Proxy
    Service B
    Pilot
    Proxy
    Mixer Citadel
    

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17. @hossambarakat_
    Istio Architecture
    Service A
    Proxy
    Service B
    Pilot
    Proxy
    Mixer Citadel
    Control Plane
    

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18. @hossambarakat_
    Kubernetes
    

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19. @hossambarakat_
    Pods
    Pod
    

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20. @hossambarakat_
    Sidecar
    Pod
    

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21. @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
    

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22. @hossambarakat_
    Espresso Shop
    

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23. @hossambarakat_
    Espresso Shop
    

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24. @hossambarakat_
    Espresso Shop
    

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25. @hossambarakat_
    Espresso Shop Services
    Web
    Product Catalog
    Reviews
    

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26. @hossambarakat_
    Espresso Shop on Istio
    Web
    Product Catalog
    Reviews V1
    Proxy
    Proxy
    Proxy
    Reviews V2
    Proxy
    X
    

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27. @hossambarakat_
    

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28. @hossambarakat_
    Traffic Routing
    

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29. @hossambarakat_
    • Envoy Proxy
    • Pilot
    Traffic Routing
    

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30. @hossambarakat_
    • Envoy is an open source edge and service proxy,
    designed for cloud-native applications
    Envoy Proxy
    

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31. @hossambarakat_
    Pilot
    

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32. @hossambarakat_
    • Virtual Service
    • Destination Rule
    Request Routing Configuration
    

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33. @hossambarakat_
    Routing Configurations
    Web
    Virtual Service Destination Rule Reviews V1
    Reviews V2
    

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34. @hossambarakat_
    

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

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36. @hossambarakat_
    

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37. @hossambarakat_
    Browser Based Routing
    Web
    Proxy
    Reviews V1
    Proxy
    Reviews V2
    Proxy
    

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38. @hossambarakat_
    

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39. @hossambarakat_
    Reliability
    

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40. @hossambarakat_
    • Timeout
    • Retry
    • Fault Injection
    • Circuit breakers
    Reliability
    

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41. @hossambarakat_
    Timeout
    Web
    Proxy
    Reviews V1
    Proxy
    

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42. @hossambarakat_
    

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43. @hossambarakat_
    Fault Injection
    Web
    Proxy
    Reviews V1
    Proxy
    

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44. @hossambarakat_
    

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45. @hossambarakat_
    Observability
    

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46. @hossambarakat_
    • Distributed Tracing
    • Metrics
    • Success rates
    • Request volumes
    • Request duration
    • Latency
    Observability
    

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47. @hossambarakat_
    Mixer
    

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

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49. @hossambarakat_
    

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50. @hossambarakat_
    

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51. @hossambarakat_
    Summary
    https://twitter.com/deniseyu21/status/1032258052114841600
    

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52. @hossambarakat_
    • https://github.com/hossambarakat/EspressoShop
    • Learn Istio using Interactive Hands-on Scenarios
    (Katacoda)
    • https://istio.io/docs/
    Resources
    

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53. @hossambarakat_
    Questions?
    

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54. Thanks
    Hossam Barakat
    @hossambarakat_
    www.hossambarakat.net
    

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