K8s: Add tracer provider to config (#77003)

pkg/infra/tracing/tracing.go

@@ -25,6 +25,7 @@ import (
 	trace "go.opentelemetry.io/otel/trace"
 
 	"github.com/go-kit/log/level"
+
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/setting"
 )
@@ -110,6 +111,10 @@ func ParseSettings(cfg *setting.Cfg) (*TracingService, error) {
 	return ots, err
 }
 
+func (ots *TracingService) GetTracerProvider() tracerProvider {
+	return ots.tracerProvider
+}
+
 func TraceIDFromContext(ctx context.Context, requireSampled bool) string {
 	spanCtx := trace.SpanContextFromContext(ctx)
 	if !spanCtx.HasTraceID() || !spanCtx.IsValid() || (requireSampled && !spanCtx.IsSampled()) {

pkg/services/grafana-apiserver/service.go

@@ -28,6 +28,7 @@ import (
 
 	"github.com/grafana/grafana/pkg/api/routing"
 	"github.com/grafana/grafana/pkg/infra/appcontext"
+	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/middleware"
 	"github.com/grafana/grafana/pkg/modules"
 	"github.com/grafana/grafana/pkg/registry"
@@ -89,6 +90,8 @@ type service struct {
 	handler  web.Handler
 	builders []APIGroupBuilder
 
+	tracing *tracing.TracingService
+
 	authorizer authorizer.Authorizer
 }
 
@@ -96,12 +99,14 @@ func ProvideService(
 	cfg *setting.Cfg,
 	rr routing.RouteRegister,
 	authz authorizer.Authorizer,
+	tracing *tracing.TracingService,
 ) (*service, error) {
 	s := &service{
 		config:     newConfig(cfg),
 		rr:         rr,
 		stopCh:     make(chan struct{}),
 		builders:   []APIGroupBuilder{},
+		tracing:    tracing,
 		authorizer: authz,
 	}
 
@@ -258,6 +263,8 @@ func (s *service) start(ctx context.Context) error {
 		return genericapiserver.DefaultBuildHandlerChain(requestHandler, c)
 	}
 
+	serverConfig.TracerProvider = s.tracing.GetTracerProvider()
+
 	// Create the server
 	server, err := serverConfig.Complete().New("grafana-apiserver", genericapiserver.NewEmptyDelegate())
 	if err != nil {