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grpc-java-polaris Quick start

English | 简体中文

Provide examples of applications developed based on the gRPC framework (including consumer and provider applications), and demonstrate how applications developed using the gRPC framework can quickly connect to Polaris.

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}

Start application

Start Provider

Maven compilation and packaging:

cd provider
mvn clean package -U -Dmaven.test.skip=true

Then run the compiled jar package:

java -jar quickstart-provider-1.0.0-SNAPSHOT.jar

Start Consumer

Maven compilation and packaging:

cd consumer
mvn clean package -U -Dmaven.test.skip=true

Then run the compiled jar package:

 java -jar quickstart-consumer-1.0.0-SNAPSHOT.jar

Verify

Check polaris console

Login into polaris console, and check the instances in Service grpc-demo-java

Invoke by http call

Invoke http call，replace ${app.port} to the consumer port (40041 by default).

curl -X GET 'http://localhost:40041/polaris/grpc/quickstart/consumer?value="hello-polaris'

expect：hello-polaris