Go app framework

pkg/otel/util.go

@@ -0,0 +1,30 @@
+package otel
+
+import (
+	"context"
+	"strings"
+
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/config"
+)
+
+func GetTracer(ctx context.Context, components ...string) trace.Tracer {
+	return otel.Tracer(getName(ctx, components...))
+}
+
+func GetMeter(ctx context.Context, components ...string) metric.Meter {
+	return otel.Meter(getName(ctx, components...))
+}
+
+func getName(ctx context.Context, components ...string) string {
+	cfg := config.MustFromCtx(ctx)
+
+	path := make([]string, 0, len(components)+1)
+	path = append(path, cfg.Name)
+	path = append(path, components...)
+
+	return strings.Join(path, ".")
+}