fix: resolve breaking API changes

Author: rubenruizdegauna

internal/pkg/api/metrics.go

@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"sync"
 
+	"github.com/gofrs/uuid/v5"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/rs/zerolog"
@@ -55,7 +56,17 @@ var (
 // metrics must be explicitly exposed with a call to InitMetrics
 // FIXME we have global metrics but an internal and external API; this may lead to some confusion.
 func init() {
-	err := report.SetupMetrics(logger.NewZapStub("instance-metrics"), build.ServiceName, version.DefaultVersion)
+	// maintain original behaviour from deprecated report.SetupMetrics
+	ephemeralID, _ := uuid.NewV4()
+	err := report.SetupMetricsOptions(report.MetricOptions{
+		Name:           build.ServiceName,
+		Version:        version.DefaultVersion,
+		EphemeralID:    ephemeralID.String(),
+		Logger:         logger.NewZapStub("instance-metrics"),
+		SystemMetrics:  monitoring.Default.GetOrCreateRegistry("system"),
+		ProcessMetrics: monitoring.Default.GetOrCreateRegistry("beat"),
+	})
+
 	if err != nil {
 		zerolog.Ctx(context.TODO()).Error().Err(err).Msg("unable to initialize metrics") // TODO is used because this may logged during the package load
 	}