/
client.go
68 lines (55 loc) · 1.63 KB
/
client.go
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package main
import (
"context"
"log"
"github.com/grpc-ecosystem/grpc-opentracing/go/otgrpc"
zipkin "github.com/openzipkin/zipkin-go-opentracing"
"google.golang.org/grpc"
"github.com/EDDYCJY/go-grpc-example/pkg/gtls"
pb "github.com/EDDYCJY/go-grpc-example/proto"
)
const (
PORT = "9005"
SERVICE_NAME = "simple_zipkin_client"
ZIPKIN_HTTP_ENDPOINT = "http://127.0.0.1:9411/api/v1/spans"
ZIPKIN_RECORDER_HOST_PORT = "127.0.0.1:9000"
)
func main() {
collector, err := zipkin.NewHTTPCollector(ZIPKIN_HTTP_ENDPOINT)
if err != nil {
log.Fatalf("zipkin.NewHTTPCollector err: %v", err)
}
recorder := zipkin.NewRecorder(collector, true, ZIPKIN_RECORDER_HOST_PORT, SERVICE_NAME)
tracer, err := zipkin.NewTracer(
recorder, zipkin.ClientServerSameSpan(true),
)
if err != nil {
log.Fatalf("zipkin.NewTracer err: %v", err)
}
tlsClient := gtls.Client{
ServerName: "go-grpc-example",
CaFile: "../../conf/ca.pem",
CertFile: "../../conf/client/client.pem",
KeyFile: "../../conf/client/client.key",
}
c, err := tlsClient.GetCredentialsByCA()
if err != nil {
log.Fatalf("GetTLSCredentialsByCA err: %v", err)
}
conn, err := grpc.Dial(":"+PORT, grpc.WithTransportCredentials(c),
grpc.WithUnaryInterceptor(
otgrpc.OpenTracingClientInterceptor(tracer, otgrpc.LogPayloads()),
))
if err != nil {
log.Fatalf("grpc.Dial err: %v", err)
}
defer conn.Close()
client := pb.NewSearchServiceClient(conn)
resp, err := client.Search(context.Background(), &pb.SearchRequest{
Request: "gRPC ZipKin",
})
if err != nil {
log.Fatalf("client.Search err: %v", err)
}
log.Printf("resp: %s", resp.GetResponse())
}