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kratos/examples/registry/discovery/client/main.go

58 lines
1.2 KiB

package main
import (
"context"
"log"
"time"
srcgrpc "google.golang.org/grpc"
"github.com/go-kratos/kratos/contrib/registry/discovery/v2"
"github.com/go-kratos/kratos/examples/helloworld/helloworld"
"github.com/go-kratos/kratos/v2/transport/grpc"
)
func main() {
r := discovery.New(&discovery.Config{
Nodes: []string{"0.0.0.0:7171"},
Env: "dev",
Region: "sh1",
Zone: "zone1",
Host: "localhost",
}, nil)
connGRPC, err := grpc.DialInsecure(
context.Background(),
grpc.WithEndpoint("discovery:///helloworld"),
grpc.WithDiscovery(r),
)
if err != nil {
log.Fatal(err)
}
defer connGRPC.Close()
//connHTTP, err := http.NewClient(
// context.Background(),
// http.WithEndpoint("discovery:///helloworld"),
// http.WithDiscovery(r),
// http.WithBlock(),
//)
//if err != nil {
// log.Fatal(err)
//}
//defer connHTTP.Close()
for {
callGRPC(connGRPC)
time.Sleep(time.Second)
}
}
func callGRPC(conn *srcgrpc.ClientConn) {
client := helloworld.NewGreeterClient(conn)
reply, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: "kratos"})
if err != nil {
log.Fatal(err)
}
log.Printf("[grpc] SayHello %+v\n", reply)
}