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feat(mysql): dbbackup支持rocksdb备份 TencentBlueKing#6505
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231 changes: 231 additions & 0 deletions
231
dbm-services/mysql/db-tools/mysql-dbbackup/pkg/src/backupexe/dumper_physical_rocksdb.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,231 @@ | ||
| package backupexe | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/pkg/errors" | ||
|
|
||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/config" | ||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/cst" | ||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/src/dbareport" | ||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/src/logger" | ||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/src/mysqlconn" | ||
| "dbm-services/mysql/db-tools/mysql-dbbackup/pkg/util" | ||
| ) | ||
|
|
||
| type PhysicalRocksdbDumper struct { | ||
| cfg *config.BackupConfig | ||
| dbbackupHome string | ||
| checkpointDir string | ||
| mysqlVersion string | ||
| isOfficial bool | ||
| rocksdbCmd string | ||
| storageEngine string | ||
| backupStartTime time.Time | ||
| backupEndTime time.Time | ||
| } | ||
|
|
||
| func (p *PhysicalRocksdbDumper) buildArgs() []string { | ||
|
|
||
| targetPath := filepath.Join(p.cfg.Public.BackupDir, p.cfg.Public.TargetName()) | ||
|
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| args := []string{ | ||
| fmt.Sprintf("--host=%s", p.cfg.Public.MysqlHost), | ||
| fmt.Sprintf("--port=%d", p.cfg.Public.MysqlPort), | ||
| fmt.Sprintf("--user=%s", p.cfg.Public.MysqlUser), | ||
| fmt.Sprintf("--password=%s", p.cfg.Public.MysqlPasswd), | ||
| fmt.Sprintf("--checkpoint_dir=%s", p.checkpointDir), | ||
| fmt.Sprintf("--backup_dir=%s", targetPath), | ||
| "--stream=disabled", | ||
| } | ||
|
|
||
| if strings.ToLower(p.cfg.Public.MysqlRole) == cst.RoleSlave { | ||
| args = append(args, "--slave_info") | ||
| } | ||
|
|
||
| if strings.ToLower(p.cfg.Public.MysqlRole) == cst.RoleMaster { | ||
| args = append(args, "--master_info") | ||
| } | ||
|
|
||
| return args | ||
| } | ||
|
|
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| func (p *PhysicalRocksdbDumper) initConfig(mysqlVersion string) error { | ||
| if p.cfg == nil { | ||
| return errors.New("rocksdb physical dumper config missed") | ||
| } | ||
|
|
||
| cmdPath, err := os.Executable() | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| p.dbbackupHome = filepath.Dir(cmdPath) | ||
| db, err := mysqlconn.InitConn(&p.cfg.Public) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| p.mysqlVersion, p.isOfficial = util.VersionParser(mysqlVersion) | ||
| p.storageEngine, err = mysqlconn.GetStorageEngine(db) | ||
|
|
||
| if err != nil { | ||
| return err | ||
| } | ||
| p.storageEngine = strings.ToLower(p.storageEngine) | ||
|
|
||
| defer func() { | ||
| _ = db.Close() | ||
| }() | ||
|
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| p.checkpointDir = fmt.Sprintf("%s/MyRocks_checkpoint", p.cfg.Public.BackupDir) | ||
| p.rocksdbCmd = "/bin/" + cst.ToolMyrocksHotbackup | ||
| BackupTool = cst.ToolMyrocksHotbackup | ||
| return nil | ||
| } | ||
|
|
||
| func (p *PhysicalRocksdbDumper) Execute(enableTimeOut bool) error { | ||
| p.backupStartTime = time.Now() | ||
| defer func() { | ||
| p.backupEndTime = time.Now() | ||
| }() | ||
|
|
||
| if p.storageEngine != cst.StorageEnginRocksdb { | ||
| err := fmt.Errorf("%s engine not support", p.storageEngine) | ||
| logger.Log.Error(err) | ||
| return err | ||
| } | ||
|
|
||
| _, err := os.Stat(p.checkpointDir) | ||
| if os.IsNotExist(err) { | ||
| err = os.MkdirAll(p.checkpointDir, 0755) | ||
| } | ||
|
|
||
| if err != nil { | ||
| logger.Log.Errorf("failed to create checkpoint(%s), err-msg:%s", p.checkpointDir, err) | ||
| return err | ||
| } | ||
|
|
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| binPath := filepath.Join(p.dbbackupHome, p.rocksdbCmd) | ||
| args := p.buildArgs() | ||
|
|
||
| var cmd *exec.Cmd | ||
| backupCmd := fmt.Sprintf(`%s %s`, binPath, strings.Join(args, " ")) | ||
|
|
||
| if enableTimeOut { | ||
| timeDiffUinx, err := GetMaxRunningTime(p.cfg.Public.BackupTimeOut) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| ctx, cancel := context.WithTimeout(context.Background(), (time.Duration(timeDiffUinx))*time.Second) | ||
| defer cancel() | ||
|
|
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| cmd = exec.CommandContext(ctx, "sh", "-c", backupCmd) | ||
| } else { | ||
| cmd = exec.Command("sh", "-c", backupCmd) | ||
| } | ||
|
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||
| backuplogFilename := fmt.Sprintf("%s_backup_%d_%d.log", p.storageEngine, p.cfg.Public.MysqlPort, int(time.Now().Weekday())) | ||
| rocksdbBackuplogFilename := filepath.Join(p.dbbackupHome, "logs", backuplogFilename) | ||
|
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| outFile, err := os.Create(rocksdbBackuplogFilename) | ||
|
|
||
| if err != nil { | ||
| logger.Log.Error("create log file failed: ", err) | ||
| return err | ||
| } | ||
|
|
||
| defer func() { | ||
| _ = outFile.Close() | ||
| }() | ||
|
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| cmd.Stdout = outFile | ||
| cmd.Stderr = outFile | ||
| logger.Log.Info("rocksdb backup command: ", cmd.String()) | ||
|
|
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| err = cmd.Run() | ||
| if err != nil { | ||
| logger.Log.Error("run rocksdb physical backup failed: ", err) | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
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| func (p *PhysicalRocksdbDumper) PrepareBackupMetaInfo(cnf *config.BackupConfig) (*dbareport.IndexContent, error) { | ||
| db, err := mysqlconn.InitConn(&cnf.Public) | ||
| if err != nil { | ||
| return nil, errors.WithMessage(err, "IndexContent") | ||
| } | ||
|
|
||
| defer func() { | ||
| _ = db.Close() | ||
| }() | ||
|
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| storageEngine, err := mysqlconn.GetStorageEngine(db) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| storageEngine = strings.ToLower(storageEngine) | ||
|
|
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| if storageEngine != "rocksdb" { | ||
| logger.Log.Errorf("unknown storage engine(%s)", storageEngine) | ||
| return nil, nil | ||
| } | ||
|
|
||
| xtrabackupBinlogInfoFileName := filepath.Join(cnf.Public.BackupDir, cnf.Public.TargetName(), "xtrabackup_binlog_info") | ||
| xtrabackupSlaveInfoFileName := filepath.Join(cnf.Public.BackupDir, cnf.Public.TargetName(), "xtrabackup_slave_info") | ||
|
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||
| tmpFileName := filepath.Join(cnf.Public.BackupDir, cnf.Public.TargetName(), "tmp_dbbackup_go.txt") | ||
|
|
||
| exepath, err := os.Executable() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| exepath = filepath.Dir(exepath) | ||
| qpressPath := filepath.Join(exepath, "bin", "qpress") | ||
|
|
||
| var metaInfo = dbareport.IndexContent{ | ||
| BinlogInfo: dbareport.BinlogStatusInfo{}, | ||
| } | ||
|
|
||
| if masterStatus, err := parseXtraBinlogInfo(qpressPath, xtrabackupBinlogInfoFileName, tmpFileName); err != nil { | ||
| return nil, err | ||
| } else { | ||
| metaInfo.BinlogInfo.ShowMasterStatus = masterStatus | ||
| metaInfo.BinlogInfo.ShowMasterStatus.MasterHost = cnf.Public.MysqlHost | ||
| metaInfo.BinlogInfo.ShowMasterStatus.MasterPort = cnf.Public.MysqlPort | ||
| } | ||
|
|
||
| if mysqlRole := strings.ToLower(cnf.Public.MysqlRole); mysqlRole == cst.RoleSlave || mysqlRole == cst.RoleRepeater { | ||
| if slaveStatus, err := parseXtraSlaveInfo(qpressPath, xtrabackupSlaveInfoFileName, tmpFileName); err != nil { | ||
| return nil, err | ||
| } else { | ||
| metaInfo.BinlogInfo.ShowSlaveStatus = slaveStatus | ||
| masterHost, masterPort, err := mysqlconn.ShowMysqlSlaveStatus(db) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| metaInfo.BinlogInfo.ShowSlaveStatus.MasterHost = masterHost | ||
| metaInfo.BinlogInfo.ShowSlaveStatus.MasterPort = masterPort | ||
| } | ||
| } | ||
|
|
||
| metaInfo.JudgeIsFullBackup(&cnf.Public) | ||
| if err = os.Remove(tmpFileName); err != nil { | ||
| return &metaInfo, err | ||
| } | ||
|
|
||
| return &metaInfo, nil | ||
| } |
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