NoOps Meetup Tokyo #7: 入門サービスメッシュ

https://noops.connpass.com/event/139277/

Transcript

1. Taiki Ono
   NoOps Meetup Tokyo #7
   入門サービスメッシュ
   

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3. Agenda
   ● 業界がサービスメッシュに至るまでの変遷
   ● サービスメッシュの技術的要素を一部解説
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4. 歴史
   ● 2011年8月 Finagle public release
   ● 2013年10月 SmartStack public release
   ● 2014年11月 Prana public release
   ● 2016年2月 Linkerd public release
   ○ 2017年4月 Linkerd v1.0 public release
   ○ 2018年9月 Linkerd v2 pubic release
   ● 2016年9月 Envoy public release
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5. Microservices 界の当時の状況
   ● Service discovery, routing, load balancing
   ● Observability outputs (stats, tracing, logging)
   ● Implementations of retry, circuit breaking, rate limiting, timeouts,
   and other distributed systems best practices.
   ● Protocols (HTTP/1, HTTP/2, gRPC, databases, caching, etc.).
   ● Authentication and Authorization
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6. Upstreams
   Architecture of SmartStack
   proxy
   app
   Upstreams
   Nerve
   Synapse DB
   Upstreams
   

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7. https://medium.com/netflix-techblog/prana-a-sidecar-for-your-netflix-paas-based-applications-and-services-258a5790a015
   

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8. Concept of Service Mesh
   proxy
   app
   Control plane
   Upstreams
   proxy
   Upstreams
   proxy
   

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9. 要素技術
   

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10. xDS API for data-plane configuration
    proxy
    app
    Control plane
    Upstreams
    proxy
    Upstreams
    proxy
    xDS API
    xDS API
    

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11. Envoy config management via xDS APIs
    ● Envoy is a universal data plane
    ● xDS == * Discovery Service (various configuration APIs). E.g.,:
    ○ LDS == Listener Discovery Service, CDS == Cluster Discovery Service
    ● Both gRPC streaming and JSON/YAML REST via proto3!
    ● Central management system can control a fleet of Envoys avoiding
    per-proxy config file hell
    ● Global bootstrap config for every Envoy, rest taken care of by the
    management server
    ● Envoys + xDS + management system == fleet wide traffic management
    distributed system
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12. List of xDS APIs
    ● Cluster Discovery Service
    ● Route Discovery Service
    ● Endpoint Discovery Service
    ● Listener Discovery Service
    ● Health Discovery Service
    ● Rate Limit Service
    ● Secret Discovery Service
    ● Metric Service
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13. xDS APIs
    ● API definitions (mirror) https://github.com/envoyproxy/data-plane-api
    ● Framework for Go https://github.com/envoyproxy/go-control-plane
    ● Framework for Java
    https://github.com/envoyproxy/java-control-plane
    ● 基本的にデータソース (e.g. k8s API server) からデータを取得、いい感じな
    データ構造に変換して配信
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14. Service Mesh Interface
    Control plane
    Tools
    User area Product area
    

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15. まとめ Q&A
    ● Microservices の進展とともに分散システムの課題がいっぱい増えてきた
    ● 課題へのアプローチがライブラリモデルから out of process モデルへと変
    遷してきた
    ● 同時に静的な設定ファイルモデルから動的なマネージメントサーバー方式へ
    と変化してきた
    Q&A: @taiki45 でも対応
    

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