https://github.com/open-telemetry/opentelemetry-go-contrib/tree/main/instrumentation/github.com/labstack/echo/otelecho/example こちらを参考にすすめる // Copyright The OpenTelemetry Authors // // Licensed 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" "net/http" "github.com/labstack/echo/v4" "go.opentelemetry.io/contrib/instrumentation/github.com/labstack/echo/otelecho" "go.opentelemetry.io/otel" "go.opentelemetry.io/otel/attribute" stdout "go.opentelemetry.io/otel/exporters/stdout/stdouttrace" "go.opentelemetry.io/otel/propagation" sdktrace "go.opentelemetry.io/otel/sdk/trace" oteltrace "go.opentelemetry.io/otel/trace" ) var tracer = otel.Tracer("echo-server") func main() { tp, err := initTracer() if err != nil { log.Fatal(err) } defer func() { if err := tp.Shutdown(context.Background()); err != nil { log.Printf("Error shutting down tracer provider: %v", err) } }() r := echo.New() r.Use(otelecho.Middleware("my-server")) r.GET("/users/:id", func(c echo.Context) error { id := c.Param("id") name := getUser(c.Request().Context(), id) return c.JSON(http.StatusOK, struct { ID string Name string }{ ID: id, Name: name, }) }) _ = r.Start(":8080") } func initTracer() (*sdktrace.TracerProvider, error) { exporter, err := stdout.New(stdout.WithPrettyPrint()) if err != nil { return nil, err } tp := sdktrace.NewTracerProvider( sdktrace.WithSampler(sdktrace.AlwaysSample()), sdktrace.WithBatcher(exporter), ) otel.SetTracerProvider(tp) otel.SetTextMapPropagator(propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{})) return tp, nil } func getUser(ctx context.Context, id string) string { _, span := tracer.Start(ctx, "getUser", oteltrace.WithAttributes(attribute.String("id", id))) defer span.End() if id == "123" { return "otelecho tester" } return "unknown" } OpenTelemetry CollectorとJeagerでテレメトリを収集・可視化してみる でcollector, jeagerを立てて可視化する