[#1048] node: Fill shard's info with its components' infos

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

pkg/local_object_storage/shard/info.go

@@ -3,6 +3,7 @@ package shard
 import (
 	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor"
 	meta "github.com/nspcc-dev/neofs-node/pkg/local_object_storage/metabase"
+	"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/writecache"
 )
 
 // Info groups the information about Shard.
@@ -17,7 +18,7 @@ type Info struct {
 	BlobStorInfo blobstor.Info
 
 	// Information about the Write Cache.
-	WriteCacheInfo blobstor.Info
+	WriteCacheInfo writecache.Info
 
 	// Weight parameters of the shard.
 	WeightValues WeightValues

pkg/local_object_storage/shard/shard.go

@@ -84,13 +84,17 @@ func New(opts ...Option) *Shard {
 				writecache.WithMetabase(mb))...)
 	}
 
-	return &Shard{
+	s := &Shard{
 		cfg:        c,
 		mode:       atomic.NewUint32(0), // TODO: init with particular mode
 		blobStor:   bs,
 		metaBase:   mb,
 		writeCache: writeCache,
 	}
+
+	s.fillInfo()
+
+	return s
 }
 
 // WithID returns option to set shard identifier.
@@ -192,3 +196,12 @@ func WithRefillMetabase(v bool) Option {
 		c.refillMetabase = v
 	}
 }
+
+func (s *Shard) fillInfo() {
+	s.cfg.info.MetaBaseInfo = s.metaBase.DumpInfo()
+	s.cfg.info.BlobStorInfo = s.blobStor.DumpInfo()
+
+	if s.cfg.useWriteCache {
+		s.cfg.info.WriteCacheInfo = s.writeCache.DumpInfo()
+	}
+}

pkg/local_object_storage/writecache/writecache.go

@@ -9,12 +9,19 @@ import (
 	"go.uber.org/zap"
 )
 
+// Info groups the information about write-cache.
+type Info struct {
+	// Full path to the write-cache.
+	Path string
+}
+
 // Cache represents write-cache for objects.
 type Cache interface {
 	Get(*objectSDK.Address) (*object.Object, error)
 	Head(*objectSDK.Address) (*object.Object, error)
 	Delete(*objectSDK.Address) error
 	Put(*object.Object) error
+	DumpInfo() Info
 
 	Init() error
 	Open() error
@@ -90,6 +97,12 @@ func New(opts ...Option) Cache {
 	return c
 }
 
+func (c *cache) DumpInfo() Info {
+	return Info{
+		Path: c.path,
+	}
+}
+
 // Open opens and initializes database. Reads object counters from the ObjectCounters instance.
 func (c *cache) Open() error {
 	err := c.openStore()