[#680] metrics: Initialize log metrics together with services

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

pkg/metrics/innerring.go

@@ -4,6 +4,7 @@ import (
 	"strconv"
 	"time"
 
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
 	"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
 	"github.com/prometheus/client_golang/prometheus"
 )
@@ -14,6 +15,7 @@ type InnerRingServiceMetrics struct {
 	health            prometheus.Gauge
 	eventDuration     *prometheus.HistogramVec
 	morphCacheMetrics *morphCacheMetrics
+	logMetrics        logger.LogMetrics
 }
 
 // NewInnerRingMetrics returns new instance of metrics collectors for inner ring.
@@ -44,6 +46,7 @@ func NewInnerRingMetrics() *InnerRingServiceMetrics {
 		health:            health,
 		eventDuration:     eventDuration,
 		morphCacheMetrics: newMorphCacheMetrics(innerRingNamespace),
+		logMetrics:        logger.NewLogMetrics(innerRingNamespace),
 	}
 }
 
@@ -67,3 +70,7 @@ func (m *InnerRingServiceMetrics) AddEvent(d time.Duration, typ string, success
 func (m *InnerRingServiceMetrics) MorphCacheMetrics() MorphCacheMetrics {
 	return m.morphCacheMetrics
 }
+
+func (m *InnerRingServiceMetrics) LogMetrics() logger.LogMetrics {
+	return m.logMetrics
+}