Exemplo de tracing totalmente funcional

collector-config.yaml

@@ -3,7 +3,10 @@ receivers:
     protocols:
       grpc:
       http:
-
+  otlp/traces:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4417
   filelog:
     include: [ /var/log/sre/minhaApp.log ]
 
@@ -15,6 +18,10 @@ exporters:
     default_labels_enabled:
       exporter: true
       job: true
+  otlp/traces:
+    endpoint: tempo:4517
+    tls:
+      insecure: true
 
 processors:
   batch:
@@ -40,3 +47,7 @@ service:
       receivers: [filelog]
       processors: [resource]
       exporters: [loki]
+    traces:
+      receivers: [otlp/traces]
+      processors: [resource]
+      exporters: [otlp/traces]

emissor-de-metricas-simples/go.mod

@@ -3,8 +3,11 @@ module casadocodigo.com.br/metal-app
 go 1.21.0
 
 require (
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0
 	go.opentelemetry.io/otel v1.26.0
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.26.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.26.0
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.26.0
 	go.opentelemetry.io/otel/metric v1.26.0
 	go.opentelemetry.io/otel/sdk v1.26.0
 	go.opentelemetry.io/otel/sdk/metric v1.26.0
@@ -13,9 +16,11 @@ require (
 
 require (
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.26.0 // indirect
 	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.2.0 // indirect
 	golang.org/x/net v0.23.0 // indirect

emissor-de-metricas-simples/go.sum

@@ -2,6 +2,8 @@ github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK3
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
+github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
 github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -15,10 +17,18 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 h1:Xs2Ncz0gNihqu9iosIZ5SkBbWo5T8JhhLJFMQL1qmLI=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0/go.mod h1:vy+2G/6NvVMpwGX/NyLqcC41fxepnuKHk16E6IZUcJc=
 go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
 go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.26.0 h1:+hm+I+KigBy3M24/h1p/NHkUx/evbLH0PNcjpMyCHc4=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.26.0/go.mod h1:NjC8142mLvvNT6biDpaMjyz78kyEHIwAJlSX0N9P5KI=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.26.0 h1:1u/AyyOqAWzy+SkPxDpahCNZParHV8Vid1RnI2clyDE=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.26.0/go.mod h1:z46paqbJ9l7c9fIPCXTqTGwhQZ5XoTIsfeFYWboizjs=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.26.0 h1:Waw9Wfpo/IXzOI8bCB7DIk+0JZcqqsyn1JFnAc+iam8=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.26.0/go.mod h1:wnJIG4fOqyynOnnQF/eQb4/16VlX2EJAHhHgqIqWfAo=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.26.0 h1:0W5o9SzoR15ocYHEQfvfipzcNog1lBxOLfnex91Hk6s=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.26.0/go.mod h1:zVZ8nz+VSggWmnh6tTsJqXQ7rU4xLwRtna1M4x5jq58=
 go.opentelemetry.io/otel/metric v1.26.0 h1:7S39CLuY5Jgg9CrnA9HHiEjGMF/X2VHvoXGgSllRz30=
 go.opentelemetry.io/otel/metric v1.26.0/go.mod h1:SY+rHOI4cEawI9a7N1A4nIg/nTQXe1ccCNWYOJUrpX4=
 go.opentelemetry.io/otel/sdk v1.26.0 h1:Y7bumHf5tAiDlRYFmGqetNcLaVUZmh4iYfmGxtmz7F8=
@@ -29,6 +39,8 @@ go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2L
 go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
 go.opentelemetry.io/proto/otlp v1.2.0 h1:pVeZGk7nXDC9O2hncA6nHldxEjm6LByfA2aN8IOkz94=
 go.opentelemetry.io/proto/otlp v1.2.0/go.mod h1:gGpR8txAl5M03pDhMC79G6SdqNV26naRm/KDsgaHD8A=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
 golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
 golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=

emissor-de-metricas-simples/main.go

@@ -15,8 +15,8 @@ import (
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc"
-	"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
-	//"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
+	//"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
+	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"
 	instrument "go.opentelemetry.io/otel/metric"
 	otel_metric "go.opentelemetry.io/otel/metric"
 	"go.opentelemetry.io/otel/sdk/metric"
@@ -80,18 +80,19 @@ func main() {
 	meuContador = c
 
 	// traces
-	//	jaegerEndpoint := "localhost:14250"
-	//	jg, _ := otlptracegrpc.New(ctx, otlptracegrpc.WithEndpoint(jaegerEndpoint), otlptracegrpc.WithInsecure())
-	exp, err := stdouttrace.New(stdouttrace.WithPrettyPrint())
-	if err != nil {
-		log.Fatalf("failed to initialize stdouttrace exporter: %w", err)
-	}
-	bsp := sdktrace.NewBatchSpanProcessor(exp)
-
+	collectorTracesAddress := "localhost:4417"
+	t, _ := otlptracegrpc.New(ctx, otlptracegrpc.WithEndpoint(collectorTracesAddress), otlptracegrpc.WithInsecure())
+	//exp, err := stdouttrace.New(stdouttrace.WithPrettyPrint())
+	//if err != nil {
+	//	log.Fatalf("failed to initialize stdouttrace exporter: %w", err)
+
+	//}
+	//bsp := sdktrace.NewBatchSpanProcessor(exp)
+	bsp := sdktrace.NewBatchSpanProcessor(t)
 	tp := sdktrace.NewTracerProvider(
 		sdktrace.WithSampler(sdktrace.AlwaysSample()),
+		sdktrace.WithResource(res),
 		sdktrace.WithSpanProcessor(bsp),
-		//sdktrace.WithBatcher(jg),
 	)
 	otel.SetTracerProvider(tp)
 

emissor-de-metricas-simples/minhaApp.log

@@ -0,0 +1,21 @@
+Establishing gRPC connection with localhost:4317...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...
+emitindo metrica OTel...

tempo.yaml

@@ -0,0 +1,11 @@
+distributor:
+  receivers:
+      otlp:
+        protocols:
+          grpc:
+            endpoint: 0.0.0.0:4517
+storage:
+  trace:
+    backend: local
+    local:
+      path: /var/tempo/blocks