examples/blog:update the trace to be consistent with the official (#888)

errors/errors.go

@@ -59,7 +59,7 @@ func (e *Error) WithMetadata(md map[string]string) *Error {
 // New returns an error object for the code, message.
 func New(code codes.Code, domain, reason, message string) *Error {
 	return &Error{
-		s:      status.New(codes.Code(code), message),
+		s:      status.New(code, message),
 		Domain: domain,
 		Reason: reason,
 	}
@@ -73,7 +73,7 @@ func Newf(code codes.Code, domain, reason, format string, a ...interface{}) *Err
 // Errorf returns an error object for the code, message and error info.
 func Errorf(code codes.Code, domain, reason, format string, a ...interface{}) error {
 	return &Error{
-		s:      status.New(codes.Code(code), fmt.Sprintf(format, a...)),
+		s:      status.New(code, fmt.Sprintf(format, a...)),
 		Domain: domain,
 		Reason: reason,
 	}

examples/blog/cmd/blog/main.go

@@ -1,16 +1,12 @@
 package main
 
 import (
+	"context"
 	"flag"
-	"go.opentelemetry.io/otel"
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/sdk/resource"
-	"go.opentelemetry.io/otel/semconv"
 	"os"
+	"time"
 
-	"go.opentelemetry.io/otel/exporters/trace/jaeger"
+	"github.com/go-kratos/kratos/examples/blog/api/blog/v1"
-	"go.opentelemetry.io/otel/sdk/trace"
-
 	"github.com/go-kratos/kratos/examples/blog/internal/conf"
 	"github.com/go-kratos/kratos/v2"
 	"github.com/go-kratos/kratos/v2/config"
@@ -18,6 +14,11 @@ import (
 	"github.com/go-kratos/kratos/v2/log"
 	"github.com/go-kratos/kratos/v2/transport/grpc"
 	"github.com/go-kratos/kratos/v2/transport/http"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/exporters/trace/jaeger"
+	"go.opentelemetry.io/otel/sdk/resource"
+	tracesdk "go.opentelemetry.io/otel/sdk/trace"
+	"go.opentelemetry.io/otel/semconv"
 	"gopkg.in/yaml.v2"
 )
 
@@ -48,6 +49,25 @@ func newApp(logger log.Logger, hs *http.Server, gs *grpc.Server) *kratos.App {
 	)
 }
 
+func tracerProvider(url string) (*tracesdk.TracerProvider, error) {
+	// Create the Jaeger exporter
+	exp, err := jaeger.NewRawExporter(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(url)))
+	if err != nil {
+		return nil, err
+	}
+	tp := tracesdk.NewTracerProvider(
+		// Always be sure to batch in production.
+		tracesdk.WithBatcher(exp),
+		// Record information about this application in an Resource.
+		tracesdk.WithResource(resource.NewWithAttributes(
+			semconv.ServiceNameKey.String(v1.BlogService_ServiceDesc.ServiceName),
+			attribute.String("environment", "development"),
+			attribute.Int64("ID", 1),
+		)),
+	)
+	return tp, nil
+}
+
 func main() {
 	flag.Parse()
 	logger := log.NewStdLogger(os.Stdout)
@@ -68,24 +88,22 @@ func main() {
 	if err := config.Scan(&bc); err != nil {
 		panic(err)
 	}
-
+	tp, err := tracerProvider("http://47.104.19.38:14268/api/traces")
-	flush, err := jaeger.InstallNewPipeline(
-		jaeger.WithCollectorEndpoint("http://47.104.19.38:14268/api/traces"),
-		jaeger.WithSDKOptions(
-			trace.WithSampler(trace.AlwaysSample()),
-			trace.WithResource(resource.NewWithAttributes(
-				semconv.ServiceNameKey.String("trace-demo"),
-				attribute.String("exporter", "jaeger"),
-				attribute.Float64("float", 312.23),
-			)),
-		),
-	)
-
 	if err != nil {
 		panic(err)
 	}
-	defer flush()
+
-	tp := otel.GetTracerProvider()
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	defer func(ctx context.Context) {
+		// Do not make the application hang when it is shutdown.
+		ctx, cancel = context.WithTimeout(ctx, time.Second*5)
+		defer cancel()
+		if err := tp.Shutdown(ctx); err != nil {
+			panic(err)
+		}
+	}(ctx)
+
 	app, cleanup, err := initApp(bc.Server, bc.Data, tp, logger)
 	if err != nil {
 		panic(err)

examples/go.mod

@@ -25,10 +25,10 @@ require (
 	github.com/nacos-group/nacos-sdk-go v1.0.7
 	github.com/ugorji/go v1.2.3 // indirect
 	go.etcd.io/etcd/client/v3 v3.5.0-alpha.0
-	go.opentelemetry.io/otel v0.19.0
+	go.opentelemetry.io/otel v0.20.0
-	go.opentelemetry.io/otel/exporters/trace/jaeger v0.19.0
+	go.opentelemetry.io/otel/exporters/trace/jaeger v0.20.0
-	go.opentelemetry.io/otel/sdk v0.19.0
+	go.opentelemetry.io/otel/sdk v0.20.0
-	go.opentelemetry.io/otel/trace v0.19.0
+	go.opentelemetry.io/otel/trace v0.20.0
 	golang.org/x/crypto v0.0.0-20210220033148-5ea612d1eb83 // indirect
 	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c // indirect

examples/go.sum

@@ -489,6 +489,7 @@ go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.22.6/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.opentelemetry.io v0.1.0 h1:EANZoRCOP+A3faIlw/iN6YEWoYb1vleZRKm1EvH8T48=
 go.opentelemetry.io/otel v0.13.0/go.mod h1:dlSNewoRYikTkotEnxdmuBHgzT+k/idJSfDv/FxEnOY=
 go.opentelemetry.io/otel v0.16.0/go.mod h1:e4GKElweB8W2gWUqbghw0B8t5MCTccc9212eNHnOHwA=
 go.opentelemetry.io/otel v0.17.0/go.mod h1:Oqtdxmf7UtEvL037ohlgnaYa1h7GtMh0NcSd9eqkC9s=
@@ -496,29 +497,40 @@ go.opentelemetry.io/otel v0.18.0 h1:d5Of7+Zw4ANFOJB+TIn2K3QWsgS2Ht7OU9DqZHI6qu8=
 go.opentelemetry.io/otel v0.18.0/go.mod h1:PT5zQj4lTsR1YeARt8YNKcFb88/c2IKoSABK9mX0r78=
 go.opentelemetry.io/otel v0.19.0 h1:Lenfy7QHRXPZVsw/12CWpxX6d/JkrX8wrx2vO8G80Ng=
 go.opentelemetry.io/otel v0.19.0/go.mod h1:j9bF567N9EfomkSidSfmMwIwIBuP37AMAIzVW85OxSg=
+go.opentelemetry.io/otel v0.20.0 h1:eaP0Fqu7SXHwvjiqDq83zImeehOHX8doTvU9AwXON8g=
+go.opentelemetry.io/otel v0.20.0/go.mod h1:Y3ugLH2oa81t5QO+Lty+zXf8zC9L26ax4Nzoxm/dooo=
 go.opentelemetry.io/otel/exporters/trace/jaeger v0.18.0 h1:ypDeiBo+6UnLiuERzboaBG2K+TKkocr02CZ6A+HBWdg=
 go.opentelemetry.io/otel/exporters/trace/jaeger v0.18.0/go.mod h1:4CNKanPlRgD52TO4OQ8bgSsh2ks8wLLDzykLQQNju6E=
 go.opentelemetry.io/otel/exporters/trace/jaeger v0.19.0 h1:qU7sGQoDrlAvNYryR2SJT4ULP/q+5tE38W+h31WEE/M=
 go.opentelemetry.io/otel/exporters/trace/jaeger v0.19.0/go.mod h1:BliRm9d7rH44N6CzBQ0OPEPfMqSzf4WvFFvyoocOW9Y=
+go.opentelemetry.io/otel/exporters/trace/jaeger v0.20.0 h1:FoclOadJNul1vUiKnZU0sKFWOZtZQq3jUzSbrX2jwNM=
+go.opentelemetry.io/otel/exporters/trace/jaeger v0.20.0/go.mod h1:10qwvAmKpvwRO5lL3KQ8EWznPp89uGfhcbK152LFWsQ=
 go.opentelemetry.io/otel/metric v0.17.0/go.mod h1:hUz9lH1rNXyEwWAhIWCMFWKhYtpASgSnObJFnU26dJ0=
 go.opentelemetry.io/otel/metric v0.18.0 h1:yuZCmY9e1ZTaMlZXLrrbAPmYW6tW1A5ozOZeOYGaTaY=
 go.opentelemetry.io/otel/metric v0.18.0/go.mod h1:kEH2QtzAyBy3xDVQfGZKIcok4ZZFvd5xyKPfPcuK6pE=
 go.opentelemetry.io/otel/metric v0.19.0 h1:dtZ1Ju44gkJkYvo+3qGqVXmf88tc+a42edOywypengg=
 go.opentelemetry.io/otel/metric v0.19.0/go.mod h1:8f9fglJPRnXuskQmKpnad31lcLJ2VmNNqIsx/uIwBSc=
+go.opentelemetry.io/otel/metric v0.20.0 h1:4kzhXFP+btKm4jwxpjIqjs41A7MakRFUS86bqLHTIw8=
+go.opentelemetry.io/otel/metric v0.20.0/go.mod h1:598I5tYlH1vzBjn+BTuhzTCSb/9debfNp6R3s7Pr1eU=
 go.opentelemetry.io/otel/oteltest v0.17.0/go.mod h1:JT/LGFxPwpN+nlsTiinSYjdIx3hZIGqHCpChcIZmdoE=
 go.opentelemetry.io/otel/oteltest v0.18.0 h1:FbKDFm/LnQDOHuGjED+fy3s5YMVg0z019GJ9Er66hYo=
 go.opentelemetry.io/otel/oteltest v0.18.0/go.mod h1:NyierCU3/G8DLTva7KRzGii2fdxdR89zXKH1bNWY7Bo=
 go.opentelemetry.io/otel/oteltest v0.19.0 h1:YVfA0ByROYqTwOxqHVZYZExzEpfZor+MU1rU+ip2v9Q=
 go.opentelemetry.io/otel/oteltest v0.19.0/go.mod h1:tI4yxwh8U21v7JD6R3BcA/2+RBoTKFexE/PJ/nSO7IA=
+go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
 go.opentelemetry.io/otel/sdk v0.18.0 h1:/UiFHiJxJyEoUN2tQ6l+5f0/P01V0G9YuHeVarktRDw=
 go.opentelemetry.io/otel/sdk v0.18.0/go.mod h1:nT+UdAeGQWSeTnz9vY8BBq7SEGpmWAetyo/xHUcQvxo=
 go.opentelemetry.io/otel/sdk v0.19.0 h1:13pQquZyGbIvGxBWcVzUqe8kg5VGbTBiKKKXpYCylRM=
 go.opentelemetry.io/otel/sdk v0.19.0/go.mod h1:ouO7auJYMivDjywCHA6bqTI7jJMVQV1HdKR5CmH8DGo=
+go.opentelemetry.io/otel/sdk v0.20.0 h1:JsxtGXd06J8jrnya7fdI/U/MR6yXA5DtbZy+qoHQlr8=
+go.opentelemetry.io/otel/sdk v0.20.0/go.mod h1:g/IcepuwNsoiX5Byy2nNV0ySUF1em498m7hBWC279Yc=
 go.opentelemetry.io/otel/trace v0.17.0/go.mod h1:bIujpqg6ZL6xUTubIUgziI1jSaUPthmabA/ygf/6Cfg=
 go.opentelemetry.io/otel/trace v0.18.0 h1:ilCfc/fptVKaDMK1vWk0elxpolurJbEgey9J6g6s+wk=
 go.opentelemetry.io/otel/trace v0.18.0/go.mod h1:FzdUu3BPwZSZebfQ1vl5/tAa8LyMLXSJN57AXIt/iDk=
 go.opentelemetry.io/otel/trace v0.19.0 h1:1ucYlenXIDA1OlHVLDZKX0ObXV5RLaq06DtUKz5e5zc=
 go.opentelemetry.io/otel/trace v0.19.0/go.mod h1:4IXiNextNOpPnRlI4ryK69mn5iC84bjBWZQA5DXz/qg=
+go.opentelemetry.io/otel/trace v0.20.0 h1:1DL6EXUdcg95gukhuRRvLDO/4X5THh/5dIV52lqtnbw=
+go.opentelemetry.io/otel/trace v0.20.0/go.mod h1:6GjCW8zgDjwGHGa6GkyeB8+/5vjT16gUEi0Nf1iBdgw=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -706,6 +718,7 @@ golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fq
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

go.sum

@@ -44,14 +44,26 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+go.opentelemetry.io v0.1.0 h1:EANZoRCOP+A3faIlw/iN6YEWoYb1vleZRKm1EvH8T48=
 go.opentelemetry.io/otel v0.19.0 h1:Lenfy7QHRXPZVsw/12CWpxX6d/JkrX8wrx2vO8G80Ng=
 go.opentelemetry.io/otel v0.19.0/go.mod h1:j9bF567N9EfomkSidSfmMwIwIBuP37AMAIzVW85OxSg=
+go.opentelemetry.io/otel v0.20.0 h1:eaP0Fqu7SXHwvjiqDq83zImeehOHX8doTvU9AwXON8g=
+go.opentelemetry.io/otel v0.20.0/go.mod h1:Y3ugLH2oa81t5QO+Lty+zXf8zC9L26ax4Nzoxm/dooo=
+go.opentelemetry.io/otel/exporters/trace/jaeger v0.20.0 h1:FoclOadJNul1vUiKnZU0sKFWOZtZQq3jUzSbrX2jwNM=
+go.opentelemetry.io/otel/exporters/trace/jaeger v0.20.0/go.mod h1:10qwvAmKpvwRO5lL3KQ8EWznPp89uGfhcbK152LFWsQ=
 go.opentelemetry.io/otel/metric v0.19.0 h1:dtZ1Ju44gkJkYvo+3qGqVXmf88tc+a42edOywypengg=
 go.opentelemetry.io/otel/metric v0.19.0/go.mod h1:8f9fglJPRnXuskQmKpnad31lcLJ2VmNNqIsx/uIwBSc=
+go.opentelemetry.io/otel/metric v0.20.0 h1:4kzhXFP+btKm4jwxpjIqjs41A7MakRFUS86bqLHTIw8=
+go.opentelemetry.io/otel/metric v0.20.0/go.mod h1:598I5tYlH1vzBjn+BTuhzTCSb/9debfNp6R3s7Pr1eU=
 go.opentelemetry.io/otel/oteltest v0.19.0 h1:YVfA0ByROYqTwOxqHVZYZExzEpfZor+MU1rU+ip2v9Q=
 go.opentelemetry.io/otel/oteltest v0.19.0/go.mod h1:tI4yxwh8U21v7JD6R3BcA/2+RBoTKFexE/PJ/nSO7IA=
+go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
+go.opentelemetry.io/otel/sdk v0.20.0 h1:JsxtGXd06J8jrnya7fdI/U/MR6yXA5DtbZy+qoHQlr8=
+go.opentelemetry.io/otel/sdk v0.20.0/go.mod h1:g/IcepuwNsoiX5Byy2nNV0ySUF1em498m7hBWC279Yc=
 go.opentelemetry.io/otel/trace v0.19.0 h1:1ucYlenXIDA1OlHVLDZKX0ObXV5RLaq06DtUKz5e5zc=
 go.opentelemetry.io/otel/trace v0.19.0/go.mod h1:4IXiNextNOpPnRlI4ryK69mn5iC84bjBWZQA5DXz/qg=
+go.opentelemetry.io/otel/trace v0.20.0 h1:1DL6EXUdcg95gukhuRRvLDO/4X5THh/5dIV52lqtnbw=
+go.opentelemetry.io/otel/trace v0.20.0/go.mod h1:6GjCW8zgDjwGHGa6GkyeB8+/5vjT16gUEi0Nf1iBdgw=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=