br: adaption for keyspace feature (pingcap#40532)

ref pingcap#40531

DEPS.bzl

@@ -4831,7 +4831,6 @@ def go_deps():
         sum = "h1:CYjC+xzdPvbV65gi6Dr4YowKcmLo045pm18L0DhdELM=",
         version = "v0.2.0",
     )
-
     go_repository(
         name = "com_google_cloud_go_gsuiteaddons",
         build_file_proto_mode = "disable",
@@ -5044,7 +5043,6 @@ def go_deps():
         sum = "h1:u6EznTGzIdsyOsvm+Xkw0aSuKFXQlyjGE9a4exk6iNQ=",
         version = "v1.3.1",
     )
-
     go_repository(
         name = "com_google_cloud_go_recaptchaenterprise_v2",
         build_file_proto_mode = "disable",
@@ -5249,7 +5247,6 @@ def go_deps():
         sum = "h1:/CsSTkbmO9HC8iQpxbK8ATms3OQaX3YQUeTMGCxlaK4=",
         version = "v1.2.0",
     )
-
     go_repository(
         name = "com_google_cloud_go_vision_v2",
         build_file_proto_mode = "disable",

br/pkg/checksum/executor.go

@@ -27,6 +27,9 @@ type ExecutorBuilder struct {
 	oldTable *metautil.Table
 
 	concurrency uint
+
+	oldKeyspace []byte
+	newKeyspace []byte
 }
 
 // NewExecutorBuilder returns a new executor builder.
@@ -51,9 +54,26 @@ func (builder *ExecutorBuilder) SetConcurrency(conc uint) *ExecutorBuilder {
 	return builder
 }
 
+func (builder *ExecutorBuilder) SetOldKeyspace(keyspace []byte) *ExecutorBuilder {
+	builder.oldKeyspace = keyspace
+	return builder
+}
+
+func (builder *ExecutorBuilder) SetNewKeyspace(keyspace []byte) *ExecutorBuilder {
+	builder.newKeyspace = keyspace
+	return builder
+}
+
 // Build builds a checksum executor.
 func (builder *ExecutorBuilder) Build() (*Executor, error) {
-	reqs, err := buildChecksumRequest(builder.table, builder.oldTable, builder.ts, builder.concurrency)
+	reqs, err := buildChecksumRequest(
+		builder.table,
+		builder.oldTable,
+		builder.ts,
+		builder.concurrency,
+		builder.oldKeyspace,
+		builder.newKeyspace,
+	)
 	if err != nil {
 		return nil, errors.Trace(err)
 	}
@@ -65,6 +85,8 @@ func buildChecksumRequest(
 	oldTable *metautil.Table,
 	startTS uint64,
 	concurrency uint,
+	oldKeyspace []byte,
+	newKeyspace []byte,
 ) ([]*kv.Request, error) {
 	var partDefs []model.PartitionDefinition
 	if part := newTable.Partition; part != nil {
@@ -76,7 +98,7 @@ func buildChecksumRequest(
 	if oldTable != nil {
 		oldTableID = oldTable.Info.ID
 	}
-	rs, err := buildRequest(newTable, newTable.ID, oldTable, oldTableID, startTS, concurrency)
+	rs, err := buildRequest(newTable, newTable.ID, oldTable, oldTableID, startTS, concurrency, oldKeyspace, newKeyspace)
 	if err != nil {
 		return nil, errors.Trace(err)
 	}
@@ -91,7 +113,7 @@ func buildChecksumRequest(
 				}
 			}
 		}
-		rs, err := buildRequest(newTable, partDef.ID, oldTable, oldPartID, startTS, concurrency)
+		rs, err := buildRequest(newTable, partDef.ID, oldTable, oldPartID, startTS, concurrency, oldKeyspace, newKeyspace)
 		if err != nil {
 			return nil, errors.Trace(err)
 		}
@@ -108,9 +130,11 @@ func buildRequest(
 	oldTableID int64,
 	startTS uint64,
 	concurrency uint,
+	oldKeyspace []byte,
+	newKeyspace []byte,
 ) ([]*kv.Request, error) {
 	reqs := make([]*kv.Request, 0)
-	req, err := buildTableRequest(tableInfo, tableID, oldTable, oldTableID, startTS, concurrency)
+	req, err := buildTableRequest(tableInfo, tableID, oldTable, oldTableID, startTS, concurrency, oldKeyspace, newKeyspace)
 	if err != nil {
 		return nil, errors.Trace(err)
 	}
@@ -139,7 +163,7 @@ func buildRequest(
 			}
 		}
 		req, err = buildIndexRequest(
-			tableID, indexInfo, oldTableID, oldIndexInfo, startTS, concurrency)
+			tableID, indexInfo, oldTableID, oldIndexInfo, startTS, concurrency, oldKeyspace, newKeyspace)
 		if err != nil {
 			return nil, errors.Trace(err)
 		}
@@ -156,12 +180,14 @@ func buildTableRequest(
 	oldTableID int64,
 	startTS uint64,
 	concurrency uint,
+	oldKeyspace []byte,
+	newKeyspace []byte,
 ) (*kv.Request, error) {
 	var rule *tipb.ChecksumRewriteRule
 	if oldTable != nil {
 		rule = &tipb.ChecksumRewriteRule{
-			OldPrefix: tablecodec.GenTableRecordPrefix(oldTableID),
-			NewPrefix: tablecodec.GenTableRecordPrefix(tableID),
+			OldPrefix: append(append([]byte{}, oldKeyspace...), tablecodec.GenTableRecordPrefix(oldTableID)...),
+			NewPrefix: append(append([]byte{}, newKeyspace...), tablecodec.GenTableRecordPrefix(tableID)...),
 		}
 	}
 
@@ -195,12 +221,14 @@ func buildIndexRequest(
 	oldIndexInfo *model.IndexInfo,
 	startTS uint64,
 	concurrency uint,
+	oldKeyspace []byte,
+	newKeyspace []byte,
 ) (*kv.Request, error) {
 	var rule *tipb.ChecksumRewriteRule
 	if oldIndexInfo != nil {
 		rule = &tipb.ChecksumRewriteRule{
-			OldPrefix: tablecodec.EncodeTableIndexPrefix(oldTableID, oldIndexInfo.ID),
-			NewPrefix: tablecodec.EncodeTableIndexPrefix(tableID, indexInfo.ID),
+			OldPrefix: append(append([]byte{}, oldKeyspace...), tablecodec.EncodeTableIndexPrefix(oldTableID, oldIndexInfo.ID)...),
+			NewPrefix: append(append([]byte{}, newKeyspace...), tablecodec.EncodeTableIndexPrefix(tableID, indexInfo.ID)...),
 		}
 	}
 	checksum := &tipb.ChecksumRequest{

br/pkg/conn/BUILD.bazel

@@ -13,6 +13,7 @@ go_library(
         "//br/pkg/pdutil",
         "//br/pkg/utils",
         "//br/pkg/version",
+        "//config",
         "//domain",
         "//kv",
         "@com_github_docker_go_units//:go-units",

br/pkg/conn/conn.go

@@ -26,6 +26,7 @@ import (
 	"github.com/pingcap/tidb/br/pkg/pdutil"
 	"github.com/pingcap/tidb/br/pkg/utils"
 	"github.com/pingcap/tidb/br/pkg/version"
+	"github.com/pingcap/tidb/config"
 	"github.com/pingcap/tidb/domain"
 	"github.com/pingcap/tidb/kv"
 	"github.com/tikv/client-go/v2/oracle"
@@ -174,7 +175,8 @@ func NewMgr(
 	}
 
 	// Disable GC because TiDB enables GC already.
-	storage, err := g.Open(fmt.Sprintf("tikv://%s?disableGC=true", pdAddrs), securityOption)
+	path := fmt.Sprintf("tikv://%s?disableGC=true&keyspaceName=%s", pdAddrs, config.GetGlobalKeyspaceName())
+	storage, err := g.Open(path, securityOption)
 	if err != nil {
 		return nil, errors.Trace(err)
 	}

br/pkg/metautil/metafile.go

@@ -170,12 +170,12 @@ type MetaReader struct {
 
 // NewMetaReader creates MetaReader.
 func NewMetaReader(
-	backpMeta *backuppb.BackupMeta,
+	backupMeta *backuppb.BackupMeta,
 	storage storage.ExternalStorage,
 	cipher *backuppb.CipherInfo) *MetaReader {
 	return &MetaReader{
 		storage:    storage,
-		backupMeta: backpMeta,
+		backupMeta: backupMeta,
 		cipher:     cipher,
 	}
 }

br/pkg/restore/client.go

@@ -169,6 +169,9 @@ type Client struct {
 
 	// the successfully preallocated table IDs.
 	preallocedTableIDs *tidalloc.PreallocIDs
+
+	// the rewrite mode of the downloaded SST files in TiKV.
+	rewriteMode RewriteMode
 }
 
 // NewRestoreClient returns a new RestoreClient.
@@ -317,6 +320,14 @@ func (rc *Client) GetBatchDdlSize() uint {
 	return rc.batchDdlSize
 }
 
+func (rc *Client) SetRewriteMode(mode RewriteMode) {
+	rc.rewriteMode = mode
+}
+
+func (rc *Client) GetRewriteMode() RewriteMode {
+	return rc.rewriteMode
+}
+
 // Close a client.
 func (rc *Client) Close() {
 	// rc.db can be nil in raw kv mode.
@@ -346,7 +357,7 @@ func (rc *Client) SetStorage(ctx context.Context, backend *backuppb.StorageBacke
 func (rc *Client) InitClients(backend *backuppb.StorageBackend, isRawKvMode bool) {
 	metaClient := split.NewSplitClient(rc.pdClient, rc.tlsConf, isRawKvMode)
 	importCli := NewImportClient(metaClient, rc.tlsConf, rc.keepaliveConf)
-	rc.fileImporter = NewFileImporter(metaClient, importCli, backend, isRawKvMode)
+	rc.fileImporter = NewFileImporter(metaClient, importCli, backend, isRawKvMode, rc.rewriteMode)
 }
 
 func (rc *Client) SetRawKVClient(c *RawKVBatchClient) {
@@ -870,7 +881,7 @@ func (rc *Client) createTablesInWorkerPool(ctx context.Context, dom *domain.Doma
 				}
 			})
 			if err != nil {
-				log.Error("create tables fail")
+				log.Error("create tables fail", zap.Error(err))
 				return err
 			}
 			for _, ct := range cts {
@@ -1042,7 +1053,7 @@ func MockCallSetSpeedLimit(ctx context.Context, fakeImportClient ImporterClient,
 	rc.SetRateLimit(42)
 	rc.SetConcurrency(concurrency)
 	rc.hasSpeedLimited = false
-	rc.fileImporter = NewFileImporter(nil, fakeImportClient, nil, false)
+	rc.fileImporter = NewFileImporter(nil, fakeImportClient, nil, false, RewriteModeLegacy)
 	return rc.setSpeedLimit(ctx, rc.rateLimit)
 }
 
@@ -1182,7 +1193,7 @@ func (rc *Client) RestoreSSTFiles(
 						zap.Duration("take", time.Since(fileStart)))
 					updateCh.Inc()
 				}()
-				return rc.fileImporter.ImportSSTFiles(ectx, filesReplica, rewriteRules, rc.cipher, rc.backupMeta.ApiVersion)
+				return rc.fileImporter.ImportSSTFiles(ectx, filesReplica, rewriteRules, rc.cipher, rc.dom.Store().GetCodec().GetAPIVersion())
 			})
 	}
 
@@ -1434,6 +1445,8 @@ func (rc *Client) execChecksum(
 	exe, err := checksum.NewExecutorBuilder(tbl.Table, startTS).
 		SetOldTable(tbl.OldTable).
 		SetConcurrency(concurrency).
+		SetOldKeyspace(tbl.RewriteRule.OldKeyspace).
+		SetNewKeyspace(tbl.RewriteRule.NewKeyspace).
 		Build()
 	if err != nil {
 		return errors.Trace(err)
@@ -2762,6 +2775,10 @@ func TidyOldSchemas(sr *stream.SchemasReplace) *backup.Schemas {
 	return schemas
 }
 
+func CheckKeyspaceBREnable(ctx context.Context, pdClient pd.Client) error {
+	return version.CheckClusterVersion(ctx, pdClient, version.CheckVersionForKeyspaceBR)
+}
+
 func CheckNewCollationEnable(
 	backupNewCollationEnable string,
 	g glue.Glue,