/envoy_servicemesh

Primary LanguageGo

Serice Mesh with Envoy

setup

Ports/Networking

Service A

Go App

calling service b: http://service_a_envoy:8281/

calling service c: http://service_a_envoy:8381/

listenandserve on: http://localhost:8081

Envoy Config

static_resources.listeners

  • service-a-svc-http-listener (ingress)
address: 0.0.0.0
port: 8181
  • service-b-svc-http-listener (egress to service b)
address: 0.0.0.0
port: 8281
  • service-c-svc-http-listener (egress to service c)
address: 0.0.0.0
port: 8381

clusters service_a.hosts.socket_address (service a to its own envoy)

address: service_a
port: 8081

service_b.hosts.socket_address (service a to b's envoy)

address: service_b_envoy
port: 8182

service_c.hosts.socket_address (service a to c's envoy)

address: service_c_envoy
port: 8183

Docker

service_a_envoy: 8181:8181 service_a: 8081:8081

Service B

Go App

listenandserve on: http://localhost:8082

Envoy Config

static_resources.listeners (ingress)

  • service-b-svc-http-listener
address: 0.0.0.0
port: 8182

clusters.service_b.hosts.socket_address

- address: service_c
- port_value: 8082

Docker

service_b.ports:

  • 8082:8082

Service C

Go App

listenandserve on: http://localhost:8083

Envoy Config

static_resources.listeners

  • service-b-svc-http-listener (ingress)
address: 0.0.0.0
port: 8183

clusters.service_c.hosts.socket_address

- address: service_c
- port_value: 8083

Docker

service_c.ports:

  • 8082:8082

Run:

  1. docker-compose build
  2. docker-compose up
  3. Hit http://localhost:8080

4. Visit http://localhost:9090 for prometheus (not enabled right now)

5. Visit http://localhost:3000 for grafana dashboard (not enabled right now)