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Dynamic Routing by Envoy + Istio

Avatar for Yuki Ito Yuki Ito
January 08, 2020
Technology
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Dynamic Routing by Envoy + Istio

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Yuki Ito

January 08, 2020
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Transcript

  1. Dynamic Routing by Envoy + Istio Envoy Meetup Tokyo #1

    Yuki Ito

  2. Merpay Architect Team Backend Engineer Yuki Ito

  3. Goal Multi-line QA microservice A PR 1 PR 2 PR

    3

  4. Architecture API Gateway VirtualService microservice A Service Pod PR 3

    Service Pod PR 2 Service Pod PR 1 JWT

  5. Architecture API Gateway VirtualService microservice A Service Pod PR 3

    Service Pod PR 2 Service Pod PR 1 JWT microservice-A: PR-1

  6. Custom HTTP Filter { "microservice-A": "PR-1", "microservice-B": "PR-2" } microservice-A:

    PR-1 microservice-B: PR-2 Request from APP Request to Upstream JWT Payload HTTP Header ɾɾɾ ɾɾɾ

  7. Custom HTTP Filter EnvoyFilter spec: workloadLabels: mercari.com/service-router: enabled filters: -

    listenerMatch: listenerType: SIDECAR_OUTBOUND listenerProtocol: HTTP filterName: envoy.lua filterType: HTTP filterConfig: inlineCode: | ...

  8. Custom HTTP Filter

  9. Routing via VirtualService VirtualService http: - match: - headers: microservice-A:

    exact: "PR-1" route: - destination: host: pr-1.microservice-a.svc.cluster.local ...

  10. Architecture API Gateway VirtualService microservice A Service Pod PR 3

    Service Pod PR 2 Service Pod PR 1 JWT