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!84 fix: 修复数据库备份与恢复问题

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* refactor dbScheduler
* fix: 按团队名称检索团队
* feat: 创建数据库资源时支持全选数据库
* refactor dbScheduler
* fix: 修复数据库备份与恢复问题
This commit is contained in:
kanzihuang
2024-01-17 08:37:22 +00:00
committed by Coder慌
parent cc3981d99c
commit 94da6df33e
35 changed files with 846 additions and 609 deletions
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42
server/internal/db/dbm/mysql/program.go
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@@ -16,8 +16,6 @@ import (
"time"
"github.com/pkg/errors"
"golang.org/x/sync/singleflight"
"mayfly-go/internal/db/config"
"mayfly-go/internal/db/dbm/dbi"
"mayfly-go/internal/db/domain/entity"
@@ -186,6 +184,12 @@ func (svc *DbProgramMysql) downloadBinlogFilesOnServer(ctx context.Context, binl
return nil
}
// Parse the first binlog eventTs of a local binlog file.
func (svc *DbProgramMysql) parseLocalBinlogLastEventTime(ctx context.Context, filePath string) (eventTime time.Time, parseErr error) {
// todo: implement me
return time.Now(), nil
}
// Parse the first binlog eventTs of a local binlog file.
func (svc *DbProgramMysql) parseLocalBinlogFirstEventTime(ctx context.Context, filePath string) (eventTime time.Time, parseErr error) {
args := []string{
@@ -227,36 +231,8 @@ func (svc *DbProgramMysql) parseLocalBinlogFirstEventTime(ctx context.Context, f
return time.Time{}, errors.New("解析 binlog 文件失败")
}
var singleFlightGroup singleflight.Group
// FetchBinlogs downloads binlog files from startingFileName on server to `binlogDir`.
func (svc *DbProgramMysql) FetchBinlogs(ctx context.Context, downloadLatestBinlogFile bool, earliestBackupSequence, latestBinlogSequence int64) ([]*entity.BinlogFile, error) {
var downloaded bool
key := strconv.FormatUint(svc.dbInfo().InstanceId, 16)
binlogFiles, err, _ := singleFlightGroup.Do(key, func() (interface{}, error) {
downloaded = true
return svc.fetchBinlogs(ctx, downloadLatestBinlogFile, earliestBackupSequence, latestBinlogSequence)
})
if err != nil {
return nil, err
}
if downloaded {
return binlogFiles.([]*entity.BinlogFile), nil
}
if !downloadLatestBinlogFile {
return nil, nil
}
binlogFiles, err, _ = singleFlightGroup.Do(key, func() (interface{}, error) {
return svc.fetchBinlogs(ctx, true, earliestBackupSequence, latestBinlogSequence)
})
if err != nil {
return nil, err
}
return binlogFiles.([]*entity.BinlogFile), err
}
// fetchBinlogs downloads binlog files from startingFileName on server to `binlogDir`.
func (svc *DbProgramMysql) fetchBinlogs(ctx context.Context, downloadLatestBinlogFile bool, earliestBackupSequence, latestBinlogSequence int64) ([]*entity.BinlogFile, error) {
// Read binlog files list on server.
binlogFilesOnServerSorted, err := svc.GetSortedBinlogFilesOnServer(ctx)
if err != nil {
@@ -352,7 +328,13 @@ func (svc *DbProgramMysql) downloadBinlogFile(ctx context.Context, binlogFileToD
if err != nil {
return err
}
lastEventTime, err := svc.parseLocalBinlogLastEventTime(ctx, binlogFilePath)
if err != nil {
return err
}
binlogFileToDownload.FirstEventTime = firstEventTime
binlogFileToDownload.LastEventTime = lastEventTime
binlogFileToDownload.Downloaded = true
return nil