/
trace_exporter.go
59 lines (46 loc) · 1.33 KB
/
trace_exporter.go
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package telemetry
import (
"context"
"fmt"
neturl "net/url"
"time"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"
"go.opentelemetry.io/otel/sdk/trace"
)
var (
tracerProvider *trace.TracerProvider
traceExporter *otlptrace.Exporter
)
func SetupTraceExporter(ctx context.Context, url string) error {
{
e, err := NewTraceExporter(url)
if err != nil {
return fmt.Errorf("unable to create telemetry trace exporter: %w", err)
}
traceExporter = e
}
tracerProvider = trace.NewTracerProvider(trace.WithSyncer(traceExporter))
if err := traceExporter.Start(ctx); err != nil {
return fmt.Errorf("error starting telemetry trace exporter: %w", err)
}
return nil
}
func NewTraceExporter(url string) (*otlptrace.Exporter, error) {
urlObj, err := neturl.Parse(url)
if err != nil {
return nil, fmt.Errorf("bad url: %w", err)
}
var opts []otlptracehttp.Option
if urlObj.Scheme == "http" {
opts = append(opts, otlptracehttp.WithInsecure())
}
opts = append(opts,
otlptracehttp.WithEndpoint(urlObj.Host),
otlptracehttp.WithURLPath(urlObj.Path),
otlptracehttp.WithRetry(otlptracehttp.RetryConfig{Enabled: false}),
otlptracehttp.WithTimeout(5*time.Second),
)
client := otlptracehttp.NewClient(opts...)
return otlptrace.NewUnstarted(client), nil
}