GRPC Server: Add signedInUser to context (#56059)

pkg/services/grpcserver/context/context.go

@@ -0,0 +1,25 @@
+package grpccontext
+
+import (
+	"context"
+
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/infra/tracing"
+	"github.com/grafana/grafana/pkg/services/user"
+)
+
+type grpcContextKey struct{}
+
+type GRPCServerContext struct {
+	SignedInUser *user.SignedInUser
+	Tracer       tracing.Tracer
+	Logger       log.Logger
+}
+
+func FromContext(ctx context.Context) *GRPCServerContext {
+	grpcContext, ok := ctx.Value(grpcContextKey{}).(*GRPCServerContext)
+	if !ok {
+		return nil
+	}
+	return grpcContext
+}