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Code Issues Releases Activity

example/dice: Do not use semconv (#4849)

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* example/dice: Do not use semconv

* Update docs

* Remove resource code and use defaults
This commit is contained in:
Robert Pająk
2024-01-25 19:21:43 +01:00
committed by GitHub
parent c573785b8a
commit 6f96e67adb
3 changed files with 11 additions and 28 deletions
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6
example/dice/doc.go
View File

@ -12,5 +12,9 @@
// See the License for the specific language governing permissions and
// limitations under the License.
// Dice is the "Roll the dice" getting started example application.
// Dice is the "Roll the dice" application.
//
// [Getting Started] uses this example to demonstrate OpenTelemetry Go.
//
// [Getting Started]: https://opentelemetry.io/docs/languages/net/automatic/getting-started/
package main

4
example/dice/main.go
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@ -39,9 +39,7 @@ func run() (err error) {
defer stop()
// Set up OpenTelemetry.
serviceName := "dice"
serviceVersion := "0.1.0"
otelShutdown, err := setupOTelSDK(ctx, serviceName, serviceVersion)
otelShutdown, err := setupOTelSDK(ctx)
if err != nil {
return
}

29
example/dice/otel.go
View File

@ -24,14 +24,12 @@ import (
"go.opentelemetry.io/otel/exporters/stdout/stdouttrace"
"go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/metric"
"go.opentelemetry.io/otel/sdk/resource"
"go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
)
// setupOTelSDK bootstraps the OpenTelemetry pipeline.
// If it does not return an error, make sure to call shutdown for proper cleanup.
func setupOTelSDK(ctx context.Context, serviceName, serviceVersion string) (shutdown func(context.Context) error, err error) {
func setupOTelSDK(ctx context.Context) (shutdown func(context.Context) error, err error) {
var shutdownFuncs []func(context.Context) error
// shutdown calls cleanup functions registered via shutdownFuncs.
@ -51,19 +49,12 @@ func setupOTelSDK(ctx context.Context, serviceName, serviceVersion string) (shut
err = errors.Join(inErr, shutdown(ctx))
}
// Set up resource.
res, err := newResource(serviceName, serviceVersion)
if err != nil {
handleErr(err)
return
}
// Set up propagator.
prop := newPropagator()
otel.SetTextMapPropagator(prop)
// Set up trace provider.
tracerProvider, err := newTraceProvider(res)
tracerProvider, err := newTraceProvider()
if err != nil {
handleErr(err)
return
@ -72,7 +63,7 @@ func setupOTelSDK(ctx context.Context, serviceName, serviceVersion string) (shut
otel.SetTracerProvider(tracerProvider)
// Set up meter provider.
meterProvider, err := newMeterProvider(res)
meterProvider, err := newMeterProvider()
if err != nil {
handleErr(err)
return
@ -83,14 +74,6 @@ func setupOTelSDK(ctx context.Context, serviceName, serviceVersion string) (shut
return
}
func newResource(serviceName, serviceVersion string) (*resource.Resource, error) {
return resource.Merge(resource.Default(),
resource.NewWithAttributes(semconv.SchemaURL,
semconv.ServiceName(serviceName),
semconv.ServiceVersion(serviceVersion),
))
}
func newPropagator() propagation.TextMapPropagator {
return propagation.NewCompositeTextMapPropagator(
propagation.TraceContext{},
@ -98,7 +81,7 @@ func newPropagator() propagation.TextMapPropagator {
)
}
func newTraceProvider(res *resource.Resource) (*trace.TracerProvider, error) {
func newTraceProvider() (*trace.TracerProvider, error) {
traceExporter, err := stdouttrace.New(
stdouttrace.WithPrettyPrint())
if err != nil {
@ -109,19 +92,17 @@ func newTraceProvider(res *resource.Resource) (*trace.TracerProvider, error) {
trace.WithBatcher(traceExporter,
// Default is 5s. Set to 1s for demonstrative purposes.
trace.WithBatchTimeout(time.Second)),
trace.WithResource(res),
)
return traceProvider, nil
}
func newMeterProvider(res *resource.Resource) (*metric.MeterProvider, error) {
func newMeterProvider() (*metric.MeterProvider, error) {
metricExporter, err := stdoutmetric.New()
if err != nil {
return nil, err
}
meterProvider := metric.NewMeterProvider(
metric.WithResource(res),
metric.WithReader(metric.NewPeriodicReader(metricExporter,
// Default is 1m. Set to 3s for demonstrative purposes.
metric.WithInterval(3*time.Second))),