Dynamic Routing by Envoy + Istio

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