[#373] metrics: Add metabase metrics

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-node/config.go

@@ -805,6 +805,21 @@ func (c *cfg) getShardOpts(shCfg shardCfg) shardOptsWithID {
 		blobstoreOpts = append(blobstoreOpts, blobstor.WithMetrics(lsmetrics.NewBlobstoreMetrics(c.metricsCollector.Blobstore())))
 	}
 
+	mbOptions := []meta.Option{
+		meta.WithPath(shCfg.metaCfg.path),
+		meta.WithPermissions(shCfg.metaCfg.perm),
+		meta.WithMaxBatchSize(shCfg.metaCfg.maxBatchSize),
+		meta.WithMaxBatchDelay(shCfg.metaCfg.maxBatchDelay),
+		meta.WithBoltDBOptions(&bbolt.Options{
+			Timeout: 100 * time.Millisecond,
+		}),
+		meta.WithLogger(c.log),
+		meta.WithEpochState(c.cfgNetmap.state),
+	}
+	if c.metricsCollector != nil {
+		mbOptions = append(mbOptions, meta.WithMetrics(lsmetrics.NewMetabaseMetrics(shCfg.metaCfg.path, c.metricsCollector.MetabaseMetrics())))
+	}
+
 	var sh shardOptsWithID
 	sh.configID = shCfg.id()
 	sh.shOpts = []shard.Option{
@@ -812,18 +827,7 @@ func (c *cfg) getShardOpts(shCfg shardCfg) shardOptsWithID {
 		shard.WithRefillMetabase(shCfg.refillMetabase),
 		shard.WithMode(shCfg.mode),
 		shard.WithBlobStorOptions(blobstoreOpts...),
-		shard.WithMetaBaseOptions(
+		shard.WithMetaBaseOptions(mbOptions...),
-			meta.WithPath(shCfg.metaCfg.path),
-			meta.WithPermissions(shCfg.metaCfg.perm),
-			meta.WithMaxBatchSize(shCfg.metaCfg.maxBatchSize),
-			meta.WithMaxBatchDelay(shCfg.metaCfg.maxBatchDelay),
-			meta.WithBoltDBOptions(&bbolt.Options{
-				Timeout: 100 * time.Millisecond,
-			}),
-
-			meta.WithLogger(c.log),
-			meta.WithEpochState(c.cfgNetmap.state),
-		),
 		shard.WithPiloramaOptions(piloramaOpts...),
 		shard.WithWriteCache(shCfg.writecacheCfg.enabled),
 		shard.WithWriteCacheOptions(writeCacheOpts...),

pkg/local_object_storage/metabase/db.go

@@ -356,3 +356,10 @@ func WithEpochState(s EpochState) Option {
 		c.epochState = s
 	}
 }
+
+// WithMetrics returns option to specify metrics collector.
+func WithMetrics(m Metrics) Option {
+	return func(c *cfg) {
+		c.metrics = m
+	}
+}

pkg/local_object_storage/metrics/metabase.go

@@ -0,0 +1,39 @@
+package metrics
+
+import (
+	"time"
+
+	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
+	metrics_impl "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/metrics"
+)
+
+func NewMetabaseMetrics(path string, m metrics_impl.MetabaseMetrics) meta.Metrics {
+	return &metabaseMetrics{
+		shardID: undefined,
+		path:    path,
+		m:       m,
+	}
+}
+
+type metabaseMetrics struct {
+	shardID string
+	path    string
+	m       metrics_impl.MetabaseMetrics
+}
+
+func (m *metabaseMetrics) SetParentID(parentID string) {
+	m.shardID = parentID
+}
+
+func (m *metabaseMetrics) SetMode(mode mode.Mode) {
+	m.m.SetMode(m.shardID, m.path, mode.String())
+}
+
+func (m *metabaseMetrics) Close() {
+	m.m.Close(m.shardID, m.path)
+}
+
+func (m *metabaseMetrics) AddMethodDuration(method string, d time.Duration, success bool) {
+	m.m.MethodDuration(m.shardID, m.path, method, d, success)
+}

pkg/metrics/consts.go

@@ -4,6 +4,7 @@ const (
 	fstreeSubSystem         = "fstree"
 	blobstoreSubSystem      = "blobstore"
 	blobovnizaTreeSubSystem = "blobovniza_tree"
+	metabaseSubSystem       = "metabase"
 
 	successLabel       = "success"
 	shardIDLabel       = "shardID"

pkg/metrics/metabase.go

@@ -0,0 +1,54 @@
+package metrics
+
+import (
+	"strconv"
+	"time"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-observability/metrics"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type MetabaseMetrics interface {
+	SetMode(shardID, path string, mode string)
+	Close(shardID, path string)
+
+	MethodDuration(shardID, path string, method string, d time.Duration, success bool)
+}
+
+func newMetabaseMetrics() *metabaseMetrics {
+	return &metabaseMetrics{
+		mode: newShardIDPathMode(metabaseSubSystem, "mode", "Metabase mode"),
+		reqDuration: metrics.NewHistogramVec(prometheus.HistogramOpts{
+			Namespace: namespace,
+			Subsystem: metabaseSubSystem,
+			Name:      "request_duration_seconds",
+			Help:      "Accumulated Metabase request process duration",
+		}, []string{shardIDLabel, successLabel, pathLabel, methodLabel}),
+	}
+}
+
+type metabaseMetrics struct {
+	mode        *shardIDPathModeValue
+	reqDuration *prometheus.HistogramVec
+}
+
+func (m *metabaseMetrics) SetMode(shardID, path string, mode string) {
+	m.mode.SetMode(shardID, path, mode)
+}
+
+func (m *metabaseMetrics) Close(shardID, path string) {
+	m.mode.SetMode(shardID, path, closedMode)
+	m.reqDuration.DeletePartialMatch(prometheus.Labels{
+		shardIDLabel: shardID,
+		pathLabel:    path,
+	})
+}
+
+func (m *metabaseMetrics) MethodDuration(shardID, path string, method string, d time.Duration, success bool) {
+	m.reqDuration.With(prometheus.Labels{
+		shardIDLabel: shardID,
+		pathLabel:    path,
+		successLabel: strconv.FormatBool(success),
+		methodLabel:  method,
+	}).Observe(d.Seconds())
+}

pkg/metrics/node.go

@@ -17,6 +17,7 @@ type NodeMetrics struct {
 	fstree        *fstreeMetrics
 	blobstore     *blobstoreMetrics
 	blobobvnizca  *blobovnizca
+	metabase      *metabaseMetrics
 }
 
 func NewNodeMetrics() *NodeMetrics {
@@ -35,6 +36,7 @@ func NewNodeMetrics() *NodeMetrics {
 		fstree:       newFSTreeMetrics(),
 		blobstore:    newBlobstoreMetrics(),
 		blobobvnizca: newBlobovnizca(),
+		metabase:     newMetabaseMetrics(),
 	}
 }
 
@@ -74,3 +76,7 @@ func (m *NodeMetrics) Blobstore() BlobstoreMetrics {
 func (m *NodeMetrics) BlobobvnizcaTreeMetrics() BlobobvnizcaMetrics {
 	return m.blobobvnizca
 }
+
+func (m *NodeMetrics) MetabaseMetrics() MetabaseMetrics {
+	return m.metabase
+}