redo(ticdc): support gcs scheme in redo log (pingcap#7993)

close pingcap#6335, close pingcap#7987

cdc/owner/changefeed.go

@@ -32,6 +32,7 @@ import (
 	cdcContext "github.com/pingcap/tiflow/pkg/context"
 	cerror "github.com/pingcap/tiflow/pkg/errors"
 	"github.com/pingcap/tiflow/pkg/orchestrator"
+	redoCfg "github.com/pingcap/tiflow/pkg/redo"
 	"github.com/pingcap/tiflow/pkg/txnutil/gc"
 	"github.com/pingcap/tiflow/pkg/upstream"
 	"github.com/prometheus/client_golang/prometheus"
@@ -564,7 +565,7 @@ func (c *changefeed) cleanupRedoManager(ctx context.Context) {
 			log.Warn("changefeed is removed, but state is not complete", zap.Any("state", c.state))
 			return
 		}
-		if !redo.IsConsistentEnabled(c.state.Info.Config.Consistent.Level) {
+		if !redoCfg.IsConsistentEnabled(c.state.Info.Config.Consistent.Level) {
 			return
 		}
 		// when removing a paused changefeed, the redo manager is nil, create a new one

cdc/owner/changefeed_test.go

@@ -488,8 +488,9 @@ func TestRemoveChangefeed(t *testing.T) {
 	require.NoError(t, err)
 	defer os.RemoveAll(dir)
 	info.Config.Consistent = &config.ConsistentConfig{
-		Level:   "eventual",
-		Storage: filepath.Join("nfs://", dir),
+		Level:             "eventual",
+		Storage:           filepath.Join("nfs://", dir),
+		FlushIntervalInMs: config.MinFlushIntervalInMs,
 	}
 	ctx = cdcContext.WithChangefeedVars(ctx, &cdcContext.ChangefeedVars{
 		ID:   ctx.ChangefeedVars().ID,

cdc/processor/pipeline/sorter.go

@@ -23,7 +23,6 @@ import (
 	"github.com/pingcap/log"
 	"github.com/pingcap/tiflow/cdc/entry"
 	"github.com/pingcap/tiflow/cdc/model"
-	"github.com/pingcap/tiflow/cdc/redo"
 	"github.com/pingcap/tiflow/cdc/sorter"
 	"github.com/pingcap/tiflow/cdc/sorter/leveldb"
 	"github.com/pingcap/tiflow/cdc/sorter/memory"
@@ -34,6 +33,7 @@ import (
 	cerror "github.com/pingcap/tiflow/pkg/errors"
 	"github.com/pingcap/tiflow/pkg/pipeline"
 	pmessage "github.com/pingcap/tiflow/pkg/pipeline/message"
+	"github.com/pingcap/tiflow/pkg/redo"
 	"github.com/pingcap/tiflow/pkg/retry"
 	"github.com/tikv/client-go/v2/oracle"
 	pd "github.com/tikv/pd/client"

cdc/processor/pipeline/sorter_test.go

@@ -21,7 +21,6 @@ import (
 
 	"github.com/pingcap/tiflow/cdc/entry"
 	"github.com/pingcap/tiflow/cdc/model"
-	"github.com/pingcap/tiflow/cdc/redo"
 	"github.com/pingcap/tiflow/cdc/sorter"
 	"github.com/pingcap/tiflow/cdc/sorter/memory"
 	"github.com/pingcap/tiflow/cdc/sorter/unified"
@@ -30,6 +29,7 @@ import (
 	cdcContext "github.com/pingcap/tiflow/pkg/context"
 	"github.com/pingcap/tiflow/pkg/pipeline"
 	pmessage "github.com/pingcap/tiflow/pkg/pipeline/message"
+	"github.com/pingcap/tiflow/pkg/redo"
 	"github.com/stretchr/testify/require"
 	"github.com/tikv/client-go/v2/oracle"
 	pd "github.com/tikv/pd/client"

cdc/redo/convert.go → cdc/redo/common/convert.go

@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package redo
+package common
 
 import (
 	"bytes"

cdc/redo/convert_test.go → cdc/redo/common/convert_test.go

@@ -11,7 +11,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package redo
+package common
 
 import (
 	"testing"

cdc/redo/common/redo_meta.go

@@ -0,0 +1,40 @@
+//  Copyright 2022 PingCAP, Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License");
+//  you may not use this file except in compliance with the License.
+//  You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS,
+//  See the License for the specific language governing permissions and
+//  limitations under the License.
+
+//go:generate msgp
+
+package common
+
+import (
+	"github.com/pingcap/tiflow/cdc/model"
+)
+
+// LogMeta is used for store meta info.
+type LogMeta struct {
+	CheckpointTs uint64 `msg:"checkpointTs"`
+	ResolvedTs   uint64 `msg:"resolvedTs"`
+}
+
+// ParseMeta parses meta.
+func ParseMeta(metas []*LogMeta, checkpointTs, resolvedTs *model.Ts) {
+	*checkpointTs = 0
+	*resolvedTs = 0
+	for _, meta := range metas {
+		if *checkpointTs < meta.CheckpointTs {
+			*checkpointTs = meta.CheckpointTs
+		}
+		if *resolvedTs < meta.ResolvedTs {
+			*resolvedTs = meta.ResolvedTs
+		}
+	}
+}

cdc/redo/common/util.go

@@ -14,118 +14,12 @@
 package common
 
 import (
-	"context"
 	"fmt"
-	"net/url"
-	"path/filepath"
 	"strings"
 
-	"github.com/pingcap/errors"
-	backuppb "github.com/pingcap/kvproto/pkg/brpb"
-	"github.com/pingcap/tidb/br/pkg/storage"
 	"github.com/pingcap/tiflow/cdc/model"
-	cerror "github.com/pingcap/tiflow/pkg/errors"
 )
 
-const (
-	// RedoLogFileFormatV1 was used before v6.1.0, which doesn't contain namespace information
-	// layout: captureID_changefeedID_fileType_maxEventCommitTs_uuid.fileExtName
-	RedoLogFileFormatV1 = "%s_%s_%s_%d_%s%s"
-	// RedoLogFileFormatV2 is available since v6.1.0, which contains namespace information
-	// layout: captureID_namespace_changefeedID_fileType_maxEventCommitTs_uuid.fileExtName
-	RedoLogFileFormatV2 = "%s_%s_%s_%s_%d_%s%s"
-)
-
-// InitS3storage init a storage used for s3,
-// s3URI should be like s3URI="s3://logbucket/test-changefeed?endpoint=http://$S3_ENDPOINT/"
-var InitS3storage = func(ctx context.Context, uri url.URL) (storage.ExternalStorage, error) {
-	if len(uri.Host) == 0 {
-		return nil, cerror.WrapChangefeedUnretryableErr(
-			cerror.WrapError(cerror.ErrS3StorageInitialize,
-				errors.Errorf("please specify the bucket for s3 in %v", uri)))
-	}
-
-	prefix := strings.Trim(uri.Path, "/")
-	s3 := &backuppb.S3{Bucket: uri.Host, Prefix: prefix}
-	options := &storage.BackendOptions{}
-	storage.ExtractQueryParameters(&uri, &options.S3)
-	if err := options.S3.Apply(s3); err != nil {
-		return nil, cerror.WrapChangefeedUnretryableErr(
-			cerror.WrapError(cerror.ErrS3StorageInitialize, err))
-	}
-
-	// we should set this to true, since br set it by default in parseBackend
-	s3.ForcePathStyle = true
-	backend := &backuppb.StorageBackend{
-		Backend: &backuppb.StorageBackend_S3{S3: s3},
-	}
-	s3storage, err := storage.New(ctx, backend, &storage.ExternalStorageOptions{
-		SendCredentials: false,
-		HTTPClient:      nil,
-	})
-	if err != nil {
-		return nil, cerror.WrapChangefeedUnretryableErr(
-			cerror.WrapError(cerror.ErrS3StorageInitialize, err))
-	}
-
-	return s3storage, nil
-}
-
-// logFormat2ParseFormat converts redo log file name format to the space separated
-// format, which can be read and parsed by sscanf. Besides remove the suffix `%s`
-// which is used as file name extension, since we will parse extension first.
-func logFormat2ParseFormat(fmtStr string) string {
-	return strings.TrimSuffix(strings.ReplaceAll(fmtStr, "_", " "), "%s")
-}
-
-// ParseLogFileName extract the commitTs, fileType from log fileName
-func ParseLogFileName(name string) (uint64, string, error) {
-	ext := filepath.Ext(name)
-	if ext == MetaEXT {
-		return 0, DefaultMetaFileType, nil
-	}
-
-	// if .sort, the name should be like
-	// fmt.Sprintf("%s_%s_%s_%d_%s_%d%s", w.cfg.captureID,
-	// w.cfg.changeFeedID.Namespace,w.cfg.changeFeedID.ID,
-	// w.cfg.fileType, w.commitTS.Load(), uuid, LogEXT)+SortLogEXT
-	if ext == SortLogEXT {
-		name = strings.TrimSuffix(name, SortLogEXT)
-		ext = filepath.Ext(name)
-	}
-	if ext != LogEXT && ext != TmpEXT {
-		return 0, "", nil
-	}
-
-	var commitTs uint64
-	var captureID, namespace, changefeedID, fileType, uid string
-	// if the namespace is not default, the log looks like:
-	// fmt.Sprintf("%s_%s_%s_%s_%d_%s%s", w.cfg.captureID,
-	// w.cfg.changeFeedID.Namespace,w.cfg.changeFeedID.ID,
-	// w.cfg.fileType, w.commitTS.Load(), uuid, redo.LogEXT)
-	// otherwise it looks like:
-	// fmt.Sprintf("%s_%s_%s_%d_%s%s", w.cfg.captureID,
-	// w.cfg.changeFeedID.ID,
-	// w.cfg.fileType, w.commitTS.Load(), uuid, redo.LogEXT)
-	var (
-		vars      []any
-		formatStr string
-	)
-	if len(strings.Split(name, "_")) == 6 {
-		formatStr = logFormat2ParseFormat(RedoLogFileFormatV2)
-		vars = []any{&captureID, &namespace, &changefeedID, &fileType, &commitTs, &uid}
-	} else {
-		formatStr = logFormat2ParseFormat(RedoLogFileFormatV1)
-		vars = []any{&captureID, &changefeedID, &fileType, &commitTs, &uid}
-	}
-	name = strings.ReplaceAll(name, "_", " ")
-	_, err := fmt.Sscanf(name, formatStr, vars...)
-	if err != nil {
-		return 0, "", errors.Annotatef(err, "bad log name: %s", name)
-	}
-	return commitTs, fileType, nil
-}
-
 // FilterChangefeedFiles return the files that match to the changefeed.
 func FilterChangefeedFiles(files []string, changefeedID model.ChangeFeedID) []string {
 	var (