74 lines
2.1 KiB
Go
74 lines
2.1 KiB
Go
package telemetry
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/tigorlazuardi/redmage/config"
|
|
"github.com/tigorlazuardi/redmage/pkg/errs"
|
|
"go.opentelemetry.io/otel"
|
|
"go.opentelemetry.io/otel/attribute"
|
|
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
|
|
"go.opentelemetry.io/otel/propagation"
|
|
"go.opentelemetry.io/otel/sdk/resource"
|
|
sdktrace "go.opentelemetry.io/otel/sdk/trace"
|
|
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
|
|
)
|
|
|
|
type Telemetry struct {
|
|
tracer *sdktrace.TracerProvider
|
|
}
|
|
|
|
func New(ctx context.Context, cfg *config.Config) (tele Telemetry, err error) {
|
|
otel.SetTextMapPropagator(createPropagator())
|
|
provider, err := createProvider(ctx, cfg)
|
|
if err != nil {
|
|
return tele, err
|
|
}
|
|
tele.tracer = provider
|
|
otel.SetTracerProvider(provider)
|
|
return tele, err
|
|
}
|
|
|
|
func createPropagator() propagation.TextMapPropagator {
|
|
return propagation.NewCompositeTextMapPropagator(propagation.TraceContext{}, propagation.Baggage{})
|
|
}
|
|
|
|
func createProvider(ctx context.Context, cfg *config.Config) (*sdktrace.TracerProvider, error) {
|
|
opts := []sdktrace.TracerProviderOption{
|
|
sdktrace.WithSampler(sdktrace.TraceIDRatioBased(cfg.Float64("telemetry.trace.ratio"))),
|
|
}
|
|
|
|
if cfg.Bool("telemetry.openobserve.enable") && cfg.Bool("telemetry.openobserve.trace.enable") {
|
|
url := cfg.String("telemetry.openobserve.trace.url")
|
|
o2exporter, err := otlptracehttp.New(ctx,
|
|
otlptracehttp.WithEndpointURL(url),
|
|
otlptracehttp.WithHeaders(map[string]string{
|
|
"Authorization": cfg.String("telemetry.openobserve.trace.auth"),
|
|
}),
|
|
)
|
|
if err != nil {
|
|
return nil, errs.Wrap(err)
|
|
}
|
|
opts = append(opts, sdktrace.WithBatcher(o2exporter))
|
|
}
|
|
|
|
res := resource.NewWithAttributes(
|
|
semconv.SchemaURL,
|
|
semconv.ServiceNameKey.String("redmage"),
|
|
semconv.ServiceVersionKey.String(cfg.String("runtime.version")),
|
|
attribute.String("environment", cfg.String("runtime.environment")),
|
|
)
|
|
|
|
opts = append(opts, sdktrace.WithResource(res))
|
|
|
|
return sdktrace.NewTracerProvider(opts...), nil
|
|
}
|
|
|
|
func (te *Telemetry) Close() error {
|
|
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
|
defer cancel()
|
|
|
|
return te.tracer.Shutdown(ctx)
|
|
}
|