[#1410] shard: Move MetricsWriter interface to a separate file

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/local_object_storage/shard/metrics.go

@@ -0,0 +1,47 @@
+package shard
+
+import "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
+
+// MetricsWriter is an interface that must store shard's metrics.
+type MetricsWriter interface {
+	// SetObjectCounter must set object counter taking into account object type.
+	SetObjectCounter(objectType string, v uint64)
+	// AddToObjectCounter must update object counter taking into account object
+	// type.
+	// Negative parameter must decrease the counter.
+	AddToObjectCounter(objectType string, delta int)
+	// AddToContainerSize must add a value to the container size.
+	// Value can be negative.
+	AddToContainerSize(cnr string, value int64)
+	// AddToPayloadSize must add a value to the payload size.
+	// Value can be negative.
+	AddToPayloadSize(value int64)
+	// IncObjectCounter must increment shard's object counter taking into account
+	// object type.
+	IncObjectCounter(objectType string)
+	// SetShardID must set (update) the shard identifier that will be used in
+	// metrics.
+	SetShardID(id string)
+	// SetReadonly must set shard mode.
+	SetMode(mode mode.Mode)
+	// IncErrorCounter increment error counter.
+	IncErrorCounter()
+	// ClearErrorCounter clear error counter.
+	ClearErrorCounter()
+	// DeleteShardMetrics deletes shard metrics from registry.
+	DeleteShardMetrics()
+	// SetContainerObjectsCount sets container object count.
+	SetContainerObjectsCount(cnrID string, objectType string, value uint64)
+	// IncContainerObjectsCount increments container object count.
+	IncContainerObjectsCount(cnrID string, objectType string)
+	// SubContainerObjectsCount subtracts container object count.
+	SubContainerObjectsCount(cnrID string, objectType string, value uint64)
+	// IncRefillObjectsCount increments refill objects count.
+	IncRefillObjectsCount(path string, size int, success bool)
+	// SetRefillPercent sets refill percent.
+	SetRefillPercent(path string, percent uint32)
+	// SetRefillStatus sets refill status.
+	SetRefillStatus(path string, status string)
+	// SetEvacuationInProgress sets evacuation status
+	SetEvacuationInProgress(value bool)
+}

pkg/local_object_storage/shard/shard.go

@@ -57,50 +57,6 @@ type DeletedLockCallback func(context.Context, []oid.Address)
 // EmptyContainersCallback is a callback hanfling list of zero-size and zero-count containers.
 type EmptyContainersCallback func(context.Context, []cid.ID)
 
-// MetricsWriter is an interface that must store shard's metrics.
-type MetricsWriter interface {
-	// SetObjectCounter must set object counter taking into account object type.
-	SetObjectCounter(objectType string, v uint64)
-	// AddToObjectCounter must update object counter taking into account object
-	// type.
-	// Negative parameter must decrease the counter.
-	AddToObjectCounter(objectType string, delta int)
-	// AddToContainerSize must add a value to the container size.
-	// Value can be negative.
-	AddToContainerSize(cnr string, value int64)
-	// AddToPayloadSize must add a value to the payload size.
-	// Value can be negative.
-	AddToPayloadSize(value int64)
-	// IncObjectCounter must increment shard's object counter taking into account
-	// object type.
-	IncObjectCounter(objectType string)
-	// SetShardID must set (update) the shard identifier that will be used in
-	// metrics.
-	SetShardID(id string)
-	// SetReadonly must set shard mode.
-	SetMode(mode mode.Mode)
-	// IncErrorCounter increment error counter.
-	IncErrorCounter()
-	// ClearErrorCounter clear error counter.
-	ClearErrorCounter()
-	// DeleteShardMetrics deletes shard metrics from registry.
-	DeleteShardMetrics()
-	// SetContainerObjectsCount sets container object count.
-	SetContainerObjectsCount(cnrID string, objectType string, value uint64)
-	// IncContainerObjectsCount increments container object count.
-	IncContainerObjectsCount(cnrID string, objectType string)
-	// SubContainerObjectsCount subtracts container object count.
-	SubContainerObjectsCount(cnrID string, objectType string, value uint64)
-	// IncRefillObjectsCount increments refill objects count.
-	IncRefillObjectsCount(path string, size int, success bool)
-	// SetRefillPercent sets refill percent.
-	SetRefillPercent(path string, percent uint32)
-	// SetRefillStatus sets refill status.
-	SetRefillStatus(path string, status string)
-	// SetEvacuationInProgress sets evacuation status
-	SetEvacuationInProgress(value bool)
-}
-
 type cfg struct {
 	m sync.RWMutex