gomicro使用etcd

proto

syntax = "proto3";

service Greeter {
  rpc Hello(HelloRequest) returns (HelloResponse) {}
}
message HelloRequest {
  string name = 1;
}

message HelloResponse {
  string greeting = 2;
}

编译命令

protoc --proto_path=$GOPATH/src:. --micro_out=. --go_out=. gmp.proto

client

package main

import (
    proto "awesomeProjects/gmp"
    "context"
    "fmt"
    micro "github.com/micro/go-micro"
    "github.com/micro/go-micro/registry"
    "github.com/micro/go-micro/registry/etcd"
    "strings"
    "time"
)

func main() {
    // Create a new service
    options := make([]micro.Option, 0)
    options = append(options,
        micro.Registry(etcd.NewRegistry(func(op *registry.Options) {
            op.Addrs = strings.Split("0.0.0.0:12379,0.0.0.0:32379,0.0.0.0:22379", ",")
            op.Timeout = time.Second * 5
        })))
    service := micro.NewService(options...)
    // Initialise the client and parse command line flags
    service.Init()

    // Create new greeter client
    greeter := proto.NewGreeterService("greeter", service.Client())

    // Call the greeter
    rsp, err := greeter.Hello(context.TODO(), &proto.HelloRequest{Name: "John"})
    if err != nil {
        fmt.Println(err)
    }

    // Print response
    fmt.Println(rsp.Greeting)
}

server

package main

import (
    proto "awesomeProjects/gmp"
    "context"
    "fmt"
    micro "github.com/micro/go-micro"
    "github.com/micro/go-micro/registry"
    "github.com/micro/go-micro/registry/etcd"
    _ "github.com/micro/go-plugins/registry/consul"
    "time"
)

type Greeter struct{}

func (g *Greeter) Hello(ctx context.Context, req *proto.HelloRequest, rsp *proto.HelloResponse) error {
    rsp.Greeting = "Hello " + req.Name
    return nil
}

func main() {
    // Create a new service. Optionally include some options here.

    service := micro.NewService(
        micro.Registry(etcd.NewRegistry(func(op *registry.Options) {
            op.Addrs = []string{"0.0.0.0:12379","0.0.0.0:32379","0.0.0.0:22379"}
            op.Timeout = time.Second * 5
        })),
        micro.Name("greeter"),
    )

    // Init will parse the command line flags.
    service.Init()

    // Register handler
    proto.RegisterGreeterHandler(service.Server(), new(Greeter))

    // Run the server
    if err := service.Run(); err != nil {
        fmt.Println(err)
    }
}