go-app/pkg/app/app_init.go

package app

import (
	"context"

	"go.opentelemetry.io/otel/attribute"
	"go.opentelemetry.io/otel/codes"

	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
	srvhttp "gitea.libretechconsulting.com/rmcguire/go-app/pkg/srv/http"
)

// TODO: Implement
func (a *App) initGRPC(ctx context.Context) error {
	return nil
}

func (a *App) initHTTP(ctx context.Context) error {
	var err error
	var httpShutdown shutdownFunc

	_, span := a.tracer.Start(ctx, "init.http")
	defer span.End()

	span.SetAttributes(
		attribute.Int("numHTTPFuncs", len(a.HTTP.Funcs)),
		attribute.Int("numHTTPMiddlewares", len(a.HTTP.Middleware)),
		attribute.Int("numHTTPHealthChecks", len(a.HTTP.HealthChecks)),
	)

	httpShutdown, a.HTTP.httpDone, err = srvhttp.InitHTTPServer(
		&srvhttp.HTTPServerOpts{
			Ctx:              a.AppContext,
			HandleFuncs:      a.HTTP.Funcs,
			Middleware:       a.HTTP.Middleware,
			HealthCheckFuncs: a.HTTP.HealthChecks,
		},
	)

	a.shutdownFuncs = append(a.shutdownFuncs, httpShutdown)

	if err != nil {
		span.RecordError(err)
		span.SetStatus(codes.Error, err.Error())
	} else {
		span.SetStatus(codes.Ok, "")
	}

	return err
}

func (a *App) initOTEL() {
	var otelShutdown shutdownFunc
	a.AppContext, otelShutdown = otel.Init(a.AppContext)
	a.shutdownFuncs = append(a.shutdownFuncs, otelShutdown)
	a.tracer = otel.MustTracerFromCtx(a.AppContext)
}