*: fix redact log (#8415) (#8472)

close #8419

Signed-off-by: Ryan Leung <rleungx@gmail.com>

Co-authored-by: Ryan Leung <rleungx@gmail.com>

pkg/keyspace/keyspace.go

@@ -32,6 +32,7 @@ import (
 	"github.com/tikv/pd/pkg/storage/endpoint"
 	"github.com/tikv/pd/pkg/storage/kv"
 	"github.com/tikv/pd/pkg/utils/etcdutil"
+	"github.com/tikv/pd/pkg/utils/logutil"
 	"github.com/tikv/pd/pkg/utils/syncutil"
 	"go.uber.org/zap"
 )
@@ -328,7 +329,7 @@ func (manager *Manager) splitKeyspaceRegion(id uint32, waitRegionSplit bool) (er
 	if waitRegionSplit {
 		ranges := keyspaceRule.Data.([]*labeler.KeyRangeRule)
 		if len(ranges) < 2 {
-			log.Warn("[keyspace] failed to split keyspace region with insufficient range", zap.Any("label-rule", keyspaceRule))
+			log.Warn("[keyspace] failed to split keyspace region with insufficient range", logutil.ZapRedactString("label-rule", keyspaceRule.String()))
 			return ErrRegionSplitFailed
 		}
 		rawLeftBound, rawRightBound := ranges[0].StartKey, ranges[0].EndKey
@@ -377,7 +378,7 @@ func (manager *Manager) splitKeyspaceRegion(id uint32, waitRegionSplit bool) (er
 
 	log.Info("[keyspace] added region label for keyspace",
 		zap.Uint32("keyspace-id", id),
-		zap.Any("label-rule", keyspaceRule),
+		logutil.ZapRedactString("label-rule", keyspaceRule.String()),
 		zap.Duration("takes", time.Since(start)),
 	)
 	return

pkg/schedule/labeler/rules.go

@@ -20,6 +20,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/pingcap/failpoint"
@@ -38,6 +39,10 @@ type RegionLabel struct {
 	expire  *time.Time
 }
 
+func (l *RegionLabel) String() string {
+	return fmt.Sprintf("key: %s, value: %s", l.Key, l.Value)
+}
+
 // LabelRule is the rule to assign labels to a region.
 // NOTE: This type is exported by HTTP API. Please pay more attention when modifying it.
 type LabelRule struct {
@@ -49,6 +54,37 @@ type LabelRule struct {
 	minExpire *time.Time
 }
 
+func (rule *LabelRule) String() string {
+	var b strings.Builder
+	b.WriteString(fmt.Sprintf("id: %s, index: %d, type: %s", rule.ID, rule.Index, rule.RuleType))
+	b.WriteString(", labels: ")
+	for i, l := range rule.Labels {
+		if i == 0 {
+			b.WriteString("[")
+		}
+		b.WriteString(l.String())
+		if i == len(rule.Labels)-1 {
+			b.WriteString("]")
+		} else {
+			b.WriteString(", ")
+		}
+	}
+	b.WriteString(", data: ")
+	ranges := rule.Data.([]*KeyRangeRule)
+	for i, r := range ranges {
+		if i == 0 {
+			b.WriteString("[")
+		}
+		b.WriteString(fmt.Sprintf("startKey: {%s}, endKey: {%s}", r.StartKeyHex, r.EndKeyHex))
+		if i == len(ranges)-1 {
+			b.WriteString("]")
+		} else {
+			b.WriteString(", ")
+		}
+	}
+	return b.String()
+}
+
 // NewLabelRuleFromJSON creates a label rule from the JSON data.
 func NewLabelRuleFromJSON(data []byte) (*LabelRule, error) {
 	lr := &LabelRule{}

server/cluster/cluster_worker.go

@@ -221,7 +221,7 @@ func (c *RaftCluster) HandleBatchReportSplit(request *pdpb.ReportBatchSplitReque
 	err := c.checkSplitRegions(regions)
 	if err != nil {
 		log.Warn("report batch split region is invalid",
-			zap.Stringer("region-meta", hrm),
+			logutil.ZapRedactStringer("region-meta", hrm),
 			errs.ZapError(err))
 		return nil, err
 	}
@@ -230,7 +230,7 @@ func (c *RaftCluster) HandleBatchReportSplit(request *pdpb.ReportBatchSplitReque
 	hrm = core.RegionsToHexMeta(regions[:last])
 	log.Info("region batch split, generate new regions",
 		zap.Uint64("region-id", originRegion.GetId()),
-		zap.Stringer("origin", hrm),
+		logutil.ZapRedactStringer("origin", hrm),
 		zap.Int("total", last))
 	return &pdpb.ReportBatchSplitResponse{}, nil
 }