[#566] policer: Move isClientErrMaintenance to frostfs-sdk-go

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>

go.mod

@@ -7,7 +7,7 @@ require (
 	git.frostfs.info/TrueCloudLab/frostfs-api-go/v2 v2.16.1-0.20240530152826-2f6d3209e1d3
 	git.frostfs.info/TrueCloudLab/frostfs-contract v0.19.3-0.20240409111539-e7a05a49ff45
 	git.frostfs.info/TrueCloudLab/frostfs-observability v0.0.0-20231101111734-b3ad3335ff65
-	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20240531132048-ebd8fcd1685f
+	git.frostfs.info/TrueCloudLab/frostfs-sdk-go v0.0.0-20240617140730-1a5886e776de
 	git.frostfs.info/TrueCloudLab/hrw v1.2.1
 	git.frostfs.info/TrueCloudLab/policy-engine v0.0.0-20240513163744-1f6f4163d40d
 	git.frostfs.info/TrueCloudLab/tzhash v1.8.0

pkg/services/policer/check.go

@@ -2,7 +2,6 @@ package policer
 
 import (
 	"context"
-	"errors"
 	"fmt"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
@@ -11,7 +10,6 @@ import (
 	policycore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/policy"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/replicator"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
-	apistatus "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client/status"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/netmap"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
@@ -139,7 +137,7 @@ func (p *Policer) processRepNodes(ctx context.Context, requirements *placementRe
 				if client.IsErrObjectNotFound(err) {
 					checkedNodes.submitReplicaCandidate(nodes[i])
 					continue
-				} else if isClientErrMaintenance(err) {
+				} else if client.IsErrNodeUnderMaintenance(err) {
 					shortage, uncheckedCopies = p.handleMaintenance(nodes[i], checkedNodes, shortage, uncheckedCopies)
 				} else {
 					p.log.Error(logs.PolicerReceiveObjectHeaderToCheckPolicyCompliance,
@@ -204,26 +202,3 @@ func (p *Policer) handleProcessNodesResult(ctx context.Context, addr oid.Address
 		requirements.removeLocalCopy = true
 	}
 }
-
-// isClientErrMaintenance checks if err corresponds to FrostFS status return
-// which tells that node is currently under maintenance. Supports wrapped
-// errors.
-//
-// Similar to client.IsErr___ errors, consider replacing to FrostFS SDK.
-func isClientErrMaintenance(err error) bool {
-	switch unwrapErr(err).(type) {
-	default:
-		return false
-	case *apistatus.NodeUnderMaintenance:
-		return true
-	}
-}
-
-// unwrapErr unwraps error using errors.Unwrap.
-func unwrapErr(err error) error {
-	for e := errors.Unwrap(err); e != nil; e = errors.Unwrap(err) {
-		err = e
-	}
-
-	return err
-}

pkg/services/policer/ec.go

@@ -126,7 +126,7 @@ func (p *Policer) processECChunk(ctx context.Context, objInfo objectcore.Info, n
 			Nodes:     []netmap.NodeInfo{requiredNode},
 		}
 		p.replicator.HandleReplicationTask(ctx, task, newNodeCache())
-	} else if isClientErrMaintenance(err) {
+	} else if client.IsErrNodeUnderMaintenance(err) {
 		// consider maintenance mode has object, but do not drop local copy
 		p.log.Debug(logs.PolicerConsiderNodeUnderMaintenanceAsOK, zap.String("node", netmap.StringifyPublicKey(requiredNode)))
 	} else {