/
setupJaeger.go
69 lines (60 loc) · 1.65 KB
/
setupJaeger.go
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package tracer
import (
"context"
"github.com/spf13/viper"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/sdk/resource"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
"go.opentelemetry.io/otel/trace"
"log"
"os"
"runtime"
"runtime/debug"
)
var (
TraceProvider *tracesdk.TracerProvider
Ctx context.Context
Cancel context.CancelFunc
Tracer trace.Tracer
)
func SetupDummy() {
tp := tracesdk.NewTracerProvider()
TraceProvider = tp
Ctx, Cancel = context.WithCancel(context.Background())
Tracer = tp.Tracer("matrix_veles")
}
func SetupJaeger() {
exp, err := jaeger.New(jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(viper.GetString("tracing.jaeger.endpoint"))))
if err != nil {
log.Fatal(err)
}
bi, ok := debug.ReadBuildInfo()
if !ok {
log.Fatal(ok)
}
hostname, err := os.Hostname()
if err != nil {
log.Fatal(err)
}
tp := tracesdk.NewTracerProvider(
// Always be sure to batch in production.
tracesdk.WithBatcher(exp),
// Record information about this application in a Resource.
tracesdk.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String("matrix_veles"),
attribute.String("version", bi.Main.Version),
attribute.String("go_version", runtime.Version()),
attribute.String("hostname", hostname),
attribute.String("os", runtime.GOOS),
attribute.String("arch", runtime.GOARCH),
)),
)
otel.SetTracerProvider(tp)
TraceProvider = tp
Ctx, Cancel = context.WithCancel(context.Background())
Tracer = tp.Tracer("matrix_veles")
}