package main import ( "context" "log" "time" "github.com/go-kratos/kratos/contrib/registry/consul/v2" "github.com/go-kratos/kratos/examples/helloworld/helloworld" "github.com/go-kratos/kratos/v2/middleware/recovery" "github.com/go-kratos/kratos/v2/transport/grpc" "github.com/go-kratos/kratos/v2/transport/http" "github.com/hashicorp/consul/api" ) func main() { client, err := api.NewClient(api.DefaultConfig()) if err != nil { panic(err) } for { callHTTP(client) callGRPC(client) time.Sleep(time.Second) } } func callGRPC(cli *api.Client) { r := consul.New(cli) conn, err := grpc.DialInsecure( context.Background(), grpc.WithEndpoint("discovery:///helloworld"), grpc.WithDiscovery(r), ) if err != nil { log.Fatal(err) } defer conn.Close() 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) } func callHTTP(cli *api.Client) { r := consul.New(cli) conn, err := http.NewClient( context.Background(), http.WithMiddleware( recovery.Recovery(), ), http.WithEndpoint("discovery:///helloworld"), http.WithDiscovery(r), ) if err != nil { log.Fatal(err) } defer conn.Close() time.Sleep(time.Millisecond * 250) client := helloworld.NewGreeterHTTPClient(conn) reply, err := client.SayHello(context.Background(), &helloworld.HelloRequest{Name: "kratos"}) if err != nil { log.Fatal(err) } log.Printf("[http] SayHello %s\n", reply.Message) }