start implementing gw serve mux support

pkg/srv/grpc/services.go

@@ -0,0 +1,33 @@
+package grpc
+
+import (
+	"context"
+	"fmt"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+
+	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/grpc/opts"
+)
+
+func (a *appGRPCServer) registerGRPCServices(ctx context.Context) {
+	ctx, span := a.tracer.Start(ctx, "appgrpc.init.prepare.services", trace.WithAttributes(
+		attribute.Int("numServices", len(a.opts.Services)),
+	))
+	defer span.End()
+
+	for _, service := range a.opts.Services {
+		a.registerGRPCService(ctx, service)
+		a.registerServiceGatewayHandlers(ctx, service)
+	}
+
+	span.SetStatus(codes.Ok, "")
+}
+
+func (a *appGRPCServer) registerGRPCService(ctx context.Context, service *opts.GRPCService) {
+	span := trace.SpanFromContext(ctx)
+	span.AddEvent(fmt.Sprintf("registered %s service", service.Name))
+
+	a.server.RegisterService(service.Type, service.Service)
+}