[#141] Add big object's parts to a lock object's body

That will prevent part/link object from being removed by both an external
`DELETE` call and the object expiration procedure.

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

CHANGELOG.md

@@ -52,6 +52,7 @@ Changelog for FrostFS Node
 - Pretty printer of basic ACL in the NeoFS CLI (#2259)
 - Adding of public key for nns group `group.frostfs` at init step (#130)
 - Iterating over just removed files by FSTree (#98)
+- Parts of a locked object could not be removed anymore (#141)
 
 ### Removed
 ### Updated

cmd/frostfs-cli/modules/object/lock.go

@@ -32,16 +32,35 @@ var objectLockCmd = &cobra.Command{
 		err := cnr.DecodeString(cidRaw)
 		commonCmd.ExitOnErr(cmd, "Incorrect container arg: %v", err)
 
+		key := key.GetOrGenerate(cmd)
+		cli := internalclient.GetSDKClientByFlag(cmd, key, commonflags.RPC)
+
 		oidsRaw, _ := cmd.Flags().GetStringSlice(commonflags.OIDFlag)
 
-		lockList := make([]oid.ID, len(oidsRaw))
+		lockList := make([]oid.ID, 0, len(oidsRaw))
+		oidM := make(map[oid.ID]struct{})
 
-		for i := range oidsRaw {
-			err = lockList[i].DecodeString(oidsRaw[i])
+		for i, oidRaw := range oidsRaw {
+			var oID oid.ID
+			err = oID.DecodeString(oidRaw)
 			commonCmd.ExitOnErr(cmd, fmt.Sprintf("Incorrect object arg #%d: %%v", i+1), err)
+
+			if _, ok := oidM[oID]; ok {
+				continue
 			}
 
-		key := key.GetOrGenerate(cmd)
+			lockList = append(lockList, oID)
+			oidM[oID] = struct{}{}
+
+			for _, relative := range collectObjectRelatives(cmd, cli, cnr, oID) {
+				if _, ok := oidM[relative]; ok {
+					continue
+				}
+
+				lockList = append(lockList, relative)
+				oidM[relative] = struct{}{}
+			}
+		}
 
 		var idOwner user.ID
 		user.IDFromKey(&idOwner, key.PublicKey)
@@ -81,7 +100,7 @@ var objectLockCmd = &cobra.Command{
 		obj.SetPayload(lock.Marshal())
 
 		var prm internalclient.PutObjectPrm
-		ReadOrOpenSession(cmd, &prm, key, cnr, nil)
+		ReadOrOpenSessionViaClient(cmd, &prm, cli, key, cnr, nil)
 		Prepare(cmd, &prm)
 		prm.SetHeader(obj)