fixed excessive logging non-nil checks)

api/discovery/config.yml

@@ -15,3 +15,6 @@ messaging:
     broker_name: Discovery Service
     max_reconnects: 10
     reconnect_wait: 5
+
+registry:
+  kv_ttl_seconds: 3600

api/discovery/internal/server/internal/config.go

@@ -16,12 +16,17 @@ type config struct {
 	Runtime   *grpcapp.RuntimeConfig `yaml:"runtime"`
 	Messaging *msg.Config            `yaml:"messaging"`
 	Metrics   *metricsConfig         `yaml:"metrics"`
+	Registry  *registryConfig        `yaml:"registry"`
 }
 
 type metricsConfig struct {
 	Address string `yaml:"address"`
 }
 
+type registryConfig struct {
+	KVTTLSeconds *int `yaml:"kv_ttl_seconds"`
+}
+
 func (i *Imp) loadConfig() (*config, error) {
 	data, err := os.ReadFile(i.file)
 	if err != nil {

api/discovery/internal/server/internal/discovery.go

@@ -1,6 +1,8 @@
 package serverimp
 
 import (
+	"time"
+
 	"github.com/tech/sendico/discovery/internal/appversion"
 	"github.com/tech/sendico/pkg/discovery"
 	"github.com/tech/sendico/pkg/merrors"
@@ -23,7 +25,16 @@ func (i *Imp) startDiscovery(cfg *config) error {
 	producer := msgproducer.NewProducer(i.logger.Named("discovery_producer"), broker)
 
 	registry := discovery.NewRegistry()
-	svc, err := discovery.NewRegistryService(i.logger, broker, producer, registry, string(mservice.Discovery))
+	var registryOpts []discovery.RegistryOption
+	if cfg.Registry != nil && cfg.Registry.KVTTLSeconds != nil {
+		ttlSeconds := *cfg.Registry.KVTTLSeconds
+		if ttlSeconds < 0 {
+			i.logger.Warn("Discovery registry TTL is negative, disabling TTL", zap.Int("ttl_seconds", ttlSeconds))
+			ttlSeconds = 0
+		}
+		registryOpts = append(registryOpts, discovery.WithRegistryKVTTL(time.Duration(ttlSeconds)*time.Second))
+	}
+	svc, err := discovery.NewRegistryService(i.logger, broker, producer, registry, string(mservice.Discovery), registryOpts...)
 	if err != nil {
 		return err
 	}