feat: add otel sample

error/triple/pb/go-server/cmd/error_reponse.go

@@ -19,13 +19,13 @@ package main
 
 import (
 	"context"
-	"github.com/dubbogo/grpc-go/codes"
-	"github.com/dubbogo/grpc-go/status"
-	//"github.com/pkg/errors"
 )
 
 import (
 	"dubbo.apache.org/dubbo-go/v3/common/logger"
+
+	"github.com/dubbogo/grpc-go/codes"
+	"github.com/dubbogo/grpc-go/status"
 )
 
 import (

go.mod

@@ -13,6 +13,9 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.8.0
 	github.com/uber/jaeger-client-go v2.29.1+incompatible
+	go.opentelemetry.io/otel v1.7.0
+	go.opentelemetry.io/otel/exporters/jaeger v1.7.0
+	go.opentelemetry.io/otel/sdk v1.7.0
 	google.golang.org/grpc v1.47.0
 	google.golang.org/protobuf v1.28.0
 )

go.sum

@@ -252,6 +252,11 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
+github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
@@ -816,6 +821,14 @@ go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
+go.opentelemetry.io/otel v1.7.0 h1:Z2lA3Tdch0iDcrhJXDIlC94XE+bxok1F9B+4Lz/lGsM=
+go.opentelemetry.io/otel v1.7.0/go.mod h1:5BdUoMIz5WEs0vt0CUEMtSSaTSHBBVwrhnz7+nrD5xk=
+go.opentelemetry.io/otel/exporters/jaeger v1.7.0 h1:wXgjiRldljksZkZrldGVe6XrG9u3kYDyQmkZwmm5dI0=
+go.opentelemetry.io/otel/exporters/jaeger v1.7.0/go.mod h1:PwQAOqBgqbLQRKlj466DuD2qyMjbtcPpfPfj+AqbSBs=
+go.opentelemetry.io/otel/sdk v1.7.0 h1:4OmStpcKVOfvDOgCt7UriAPtKolwIhxpnSNI/yK+1B0=
+go.opentelemetry.io/otel/sdk v1.7.0/go.mod h1:uTEOTwaqIVuTGiJN7ii13Ibp75wJmYUDe374q6cZwUU=
+go.opentelemetry.io/otel/trace v1.7.0 h1:O37Iogk1lEkMRXewVtZ1BBTVn5JEp8GrJvP92bJqC6o=
+go.opentelemetry.io/otel/trace v1.7.0/go.mod h1:fzLSB9nqR2eXzxPXb2JW9IKE+ScyXA48yyE4TNvoHqU=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
@@ -1020,6 +1033,7 @@ golang.org/x/sys v0.0.0-20210316164454-77fc1eacc6aa/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

otel/trace/config/config.go

@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package config
+
+import (
+	"log"
+)
+
+import (
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/exporters/jaeger"
+	"go.opentelemetry.io/otel/propagation"
+	"go.opentelemetry.io/otel/sdk/resource"
+	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+	semconv "go.opentelemetry.io/otel/semconv/v1.7.0"
+)
+
+// Init configures an OpenTelemetry exporter and trace provider
+func Init() *sdktrace.TracerProvider {
+	exporter, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint("http://localhost:16686/api/traces")))
+	if err != nil {
+		log.Fatal(err)
+	}
+	tp := sdktrace.NewTracerProvider(
+		sdktrace.WithSampler(sdktrace.AlwaysSample()),
+		sdktrace.WithBatcher(exporter),
+		sdktrace.WithResource(resource.NewSchemaless(
+			semconv.ServiceNameKey.String("oteldubbo"),
+		)),
+	)
+	otel.SetTracerProvider(tp)
+	otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{}))
+	return tp
+}

otel/trace/go-client/cmd/main.go

@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"context"
+	"log"
+)
+
+import (
+	"dubbo.apache.org/dubbo-go/v3/common/logger"
+	"dubbo.apache.org/dubbo-go/v3/config"
+	_ "dubbo.apache.org/dubbo-go/v3/imports"
+)
+
+import (
+	"github.com/apache/dubbo-go-samples/api"
+	otelconfig "github.com/apache/dubbo-go-samples/otel/trace/config"
+)
+
+var userProvider = &api.GreeterClientImpl{}
+
+func init() {
+	config.SetConsumerService(userProvider)
+}
+
+func main() {
+	tp := otelconfig.Init()
+	defer func() {
+		if err := tp.Shutdown(context.Background()); err != nil {
+			log.Printf("Error shutting down tracer provider: %v", err)
+		}
+	}()
+	err := config.Load()
+	if err != nil {
+		panic(err)
+	}
+	user, err := userProvider.SayHello(context.TODO(), &api.HelloRequest{Name: "zheyu"})
+	if err != nil {
+		panic(err)
+	}
+	logger.Infof("get user = %+v", user)
+}

otel/trace/go-client/conf/dubbogo.yaml

@@ -0,0 +1,14 @@
+dubbo:
+  registries:
+    demoZK:
+      protocol: zookeeper
+      timeout: 3s
+      address: 127.0.0.1:2181
+  consumer:
+    filter: otelClientTrace
+    check: true
+    request_timeout: 3s
+    connect_timeout: 3s
+    references:
+      GreeterClientImpl:
+        protocol: tri

otel/trace/go-server/cmd/main.go

@@ -0,0 +1,58 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"context"
+	"log"
+)
+
+import (
+	"dubbo.apache.org/dubbo-go/v3/common/logger"
+	"dubbo.apache.org/dubbo-go/v3/config"
+	_ "dubbo.apache.org/dubbo-go/v3/imports"
+)
+
+import (
+	"github.com/apache/dubbo-go-samples/api"
+	otelconfig "github.com/apache/dubbo-go-samples/otel/trace/config"
+)
+
+type GreeterProvider struct {
+	api.UnimplementedGreeterServer
+}
+
+func (s *GreeterProvider) SayHello(ctx context.Context, in *api.HelloRequest) (*api.User, error) {
+	logger.Infof("Dubbo3 GreeterProvider get user name = %s\n", in.Name)
+	return &api.User{Name: "Hello " + in.Name, Id: "12345", Age: 21}, nil
+}
+
+// export DUBBO_GO_CONFIG_PATH= PATH_TO_SAMPLES/helloworld/go-server/conf/dubbogo.yml
+func main() {
+	tp := otelconfig.Init()
+	defer func() {
+		if err := tp.Shutdown(context.Background()); err != nil {
+			log.Printf("Error shutting down tracer provider: %v", err)
+		}
+	}()
+	config.SetProviderService(&GreeterProvider{})
+	if err := config.Load(); err != nil {
+		panic(err)
+	}
+	select {}
+}

otel/trace/go-server/conf/dubbogo.yaml

@@ -0,0 +1,16 @@
+dubbo:
+  registries:
+    demoZK:
+      protocol: zookeeper
+      address: 127.0.0.1:2181
+  protocols:
+    tripleProtocol:
+      name: tri
+      port: 20000
+  provider:
+    services:
+      GreeterProvider:
+        filter: otelServerTrace
+        loadbalance: random
+        warmup: 100
+        cluster: failover