README.md

gRPC-Go-Polaris QuickStart example

English | 简体中文

Provide consumer and provider applications which based on gRPC framework, to show how to make gRPC application access polaris rapidly.

Content

• provider: gRPC server application, demo service register, deregister, heartbeat.
• consumer: gRPC client application, demo service discovery, and load balance.

Instruction

Configuration

Modify polaris.yaml in provider and consumer, which is showed as below: besides, ${ip} and ${port} is the address of polaris server.

global:
  serverConnector:
    addresses:
    - ${ip}:${port}

How to build

Build provider with go mod:

cd provider
go build -o provider

Build consumer with go mod:

cd consumer
go build -o consumer

Start application

Start Provider

go mod compile and build:

cd provider
go build -o provider

run binary executable：

./provider

Start Consumer

go mod compile and build:

cd consumer
go build -o consumer

run binary executable：

./consumer

Verify

Check polaris console

Login into polaris console, and check the instances in Service EchoServerGRPC.

Invoke by http call

Invoke http call，replace ${app.port} to the consumer port (18080 by default).

curl -L -X GET 'http://localhost:${app.port}/echo?value=hello_world'

expect：echo: hello_world