cmd/frostfs-cli/modules/container/create.go

@@ -58,13 +58,27 @@ It will be stored in sidechain when inner ring will accepts it.`,
 				"use --force option to skip this check: %w", err)
 
 			for i, nodes := range nodesByRep {
-				if placementPolicy.ReplicaNumberByIndex(i) > uint32(len(nodes)) {
-					commonCmd.ExitOnErr(cmd, "", fmt.Errorf(
-						"the number of nodes '%d' in selector is not enough for the number of replicas '%d', "+
-							"use --force option to skip this check",
-						len(nodes),
-						placementPolicy.ReplicaNumberByIndex(i),
-					))
+				if repNum := placementPolicy.ReplicaDescriptor(i).NumberOfObjects(); repNum > 0 {
+					if repNum > uint32(len(nodes)) {
+						commonCmd.ExitOnErr(cmd, "", fmt.Errorf(
+							"the number of nodes '%d' in selector is not enough for the number of replicas '%d', "+
+								"use --force option to skip this check",
+							len(nodes),
+							repNum,
+						))
+					}
+				} else if ecParts := placementPolicy.ReplicaDescriptor(i).TotalECPartCount(); ecParts > 0 {
+					if ecParts > uint32(len(nodes)) {
+						commonCmd.ExitOnErr(cmd, "", fmt.Errorf(
+							"the number of nodes '%d' in selector is not enough for EC placement '%d.%d', "+
+								"use --force option to skip this check",
+							len(nodes),
+							placementPolicy.ReplicaDescriptor(i).GetECDataCount(),
+							placementPolicy.ReplicaDescriptor(i).GetECParityCount(),
+						))
+					}
+				} else {
+					commonCmd.ExitOnErr(cmd, "%w", errors.New("no replication policy is set"))
 				}
 			}
 		}

cmd/frostfs-cli/modules/container/nodes.go

@@ -2,6 +2,7 @@ package container
 
 import (
 	"crypto/sha256"
+	"errors"
 
 	internalclient "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/client"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
@@ -46,7 +47,14 @@ var containerNodesCmd = &cobra.Command{
 		commonCmd.ExitOnErr(cmd, "could not build container nodes for given container: %w", err)
 
 		for i := range cnrNodes {
-			cmd.Printf("Descriptor #%d, REP %d:\n", i+1, policy.ReplicaNumberByIndex(i))
+			if repNum := policy.ReplicaDescriptor(i).NumberOfObjects(); repNum > 0 {
+				cmd.Printf("Descriptor #%d, REP %d:\n", i+1, repNum)
+			} else if ecParts := policy.ReplicaDescriptor(i).TotalECPartCount(); ecParts > 0 {
+				cmd.Printf("Descriptor #%d, EC %d.%d:\n", i+1, policy.ReplicaDescriptor(i).GetECDataCount(),
+					policy.ReplicaDescriptor(i).GetECParityCount())
+			} else {
+				commonCmd.ExitOnErr(cmd, "%w", errors.New("no replication policy is set"))
+			}
 			for j := range cnrNodes[i] {
 				commonCmd.PrettyPrintNodeInfo(cmd, cnrNodes[i][j], j, "\t", short)
 			}

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

@@ -190,7 +190,7 @@ func getRequiredPlacement(cmd *cobra.Command, objInfo *objectNodesInfo, placemen
 	placement, err := placementBuilder.BuildPlacement(objInfo.containerID, &objInfo.objectID, placementPolicy)
 	commonCmd.ExitOnErr(cmd, "failed to get required placement: %w", err)
 	for repIdx, rep := range placement {
-		numOfReplicas := placementPolicy.ReplicaNumberByIndex(repIdx)
+		numOfReplicas := placementPolicy.ReplicaDescriptor(repIdx).NumberOfObjects()
 		var nodeIdx uint32
 		for _, n := range rep {
 			if !objInfo.isLockOrTombstone && nodeIdx == numOfReplicas { // lock and tombstone objects should be on all container nodes

go.mod

@@ -4,10 +4,10 @@ go 1.20
 
 require (
 	code.gitea.io/sdk/gitea v0.17.1
-	git.frostfs.info/TrueCloudLab/frostfs-api-go/v2 v2.16.1-0.20240215124401-634e24aba715
+	git.frostfs.info/TrueCloudLab/frostfs-api-go/v2 v2.16.1-0.20240327095603-491a47e7fe24
 	git.frostfs.info/TrueCloudLab/frostfs-contract v0.19.0
 	git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20231101111734-b3ad3335ff65
-	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20240301150205-6fe4e2541d0b
+	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20240329104804-ec0cb2169f92
 	git.frostfs.info/TrueCloudLab/hrw v1.2.1
 	git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20240307151106-2ec958cbfdfd
 	git.frostfs.info/TrueCloudLab/tzhash v1.8.0

pkg/services/object_manager/placement/traverser.go

@@ -137,7 +137,7 @@ func defaultCopiesVector(policy netmap.PlacementPolicy) []int {
 	copyVector := make([]int, 0, replNum)
 
 	for i := 0; i < replNum; i++ {
-		copyVector = append(copyVector, int(policy.ReplicaNumberByIndex(i)))
+		copyVector = append(copyVector, int(policy.ReplicaDescriptor(i).NumberOfObjects()))
 	}
 
 	return copyVector

pkg/services/policer/check.go

@@ -63,7 +63,7 @@ func (p *Policer) processObject(ctx context.Context, addrWithType objectcore.Add
 		default:
 		}
 
-		p.processNodes(ctx, c, addrWithType, nn[i], policy.ReplicaNumberByIndex(i), checkedNodes)
+		p.processNodes(ctx, c, addrWithType, nn[i], policy.ReplicaDescriptor(i).NumberOfObjects(), checkedNodes)
 	}
 
 	if !c.needLocalCopy && c.removeLocalCopy {