Merge pull request #303 from dtm-labs/alpha

Support db in server config

conf.sample.yml

@@ -11,6 +11,7 @@
 #   User: 'root'
 #   Password: ''
 #   Port: 3306
+#   Db: 'dtm'
 
 #   Driver: 'boltdb' # default store engine
 
@@ -30,8 +31,6 @@
 #   MaxOpenConns: 500
 #   MaxIdleConns: 500
 #   ConnMaxLifeTime: 5 # default value is 5 (minutes)
-#   TransGlobalTable: 'dtm.trans_global'
-#   TransBranchOpTable: 'dtm.trans_branch_op'
 
 ### flollowing config is only for some Driver
 #   DataExpire: 604800 # Trans data will expire in 7 days. only for redis/boltdb.

dtmcli/barrier.go

@@ -20,11 +20,13 @@ type BarrierBusiFunc func(tx *sql.Tx) error
 
 // BranchBarrier every branch info
 type BranchBarrier struct {
-	TransType string
+	TransType        string
-	Gid       string
+	Gid              string
-	BranchID  string
+	BranchID         string
-	Op        string
+	Op               string
-	BarrierID int
+	BarrierID        int
+	DBType           string // DBTypeMysql | DBTypePostgres
+	BarrierTableName string
 }
 
 func (bb *BranchBarrier) String() string {
@@ -70,8 +72,8 @@ func (bb *BranchBarrier) Call(tx *sql.Tx, busiCall BarrierBusiFunc) (rerr error)
 		dtmimp.OpCompensate: dtmimp.OpAction,
 	}[bb.Op]
 
-	originAffected, oerr := dtmimp.InsertBarrier(tx, bb.TransType, bb.Gid, bb.BranchID, originOp, bid, bb.Op)
+	originAffected, oerr := dtmimp.InsertBarrier(tx, bb.TransType, bb.Gid, bb.BranchID, originOp, bid, bb.Op, bb.DBType, bb.BarrierTableName)
-	currentAffected, rerr := dtmimp.InsertBarrier(tx, bb.TransType, bb.Gid, bb.BranchID, bb.Op, bid, bb.Op)
+	currentAffected, rerr := dtmimp.InsertBarrier(tx, bb.TransType, bb.Gid, bb.BranchID, bb.Op, bid, bb.Op, bb.DBType, bb.BarrierTableName)
 	logger.Debugf("originAffected: %d currentAffected: %d", originAffected, currentAffected)
 
 	if rerr == nil && bb.Op == dtmimp.MsgDoOp && currentAffected == 0 { // for msg's DoAndSubmit, repeated insert should be rejected.
@@ -103,7 +105,7 @@ func (bb *BranchBarrier) CallWithDB(db *sql.DB, busiCall BarrierBusiFunc) error
 
 // QueryPrepared queries prepared data
 func (bb *BranchBarrier) QueryPrepared(db *sql.DB) error {
-	_, err := dtmimp.InsertBarrier(db, bb.TransType, bb.Gid, dtmimp.MsgDoBranch0, dtmimp.MsgDoOp, dtmimp.MsgDoBarrier1, dtmimp.OpRollback)
+	_, err := dtmimp.InsertBarrier(db, bb.TransType, bb.Gid, dtmimp.MsgDoBranch0, dtmimp.MsgDoOp, dtmimp.MsgDoBarrier1, dtmimp.OpRollback, bb.DBType, bb.BarrierTableName)
 	var reason string
 	if err == nil {
 		sql := fmt.Sprintf("select reason from %s where gid=? and branch_id=? and op=? and barrier_id=?", dtmimp.BarrierTableName)

dtmcli/dtmimp/db_special.go

@@ -75,8 +75,8 @@ func init() {
 }
 
 // GetDBSpecial get DBSpecial for currentDBType
-func GetDBSpecial() DBSpecial {
+func GetDBSpecial(dbType string) DBSpecial {
-	return dbSpecials[currentDBType]
+	return dbSpecials[dbType]
 }
 
 // SetCurrentDBType set currentDBType

dtmcli/dtmimp/db_special_test.go

@@ -18,13 +18,13 @@ func TestDBSpecial(t *testing.T) {
 		SetCurrentDBType("no-driver")
 	}))
 	SetCurrentDBType(DBTypeMysql)
-	sp := GetDBSpecial()
+	sp := GetDBSpecial(DBTypeMysql)
 
 	assert.Equal(t, "? ?", sp.GetPlaceHoldSQL("? ?"))
 	assert.Equal(t, "xa start 'xa1'", sp.GetXaSQL("start", "xa1"))
 	assert.Equal(t, "insert ignore into a(f) values(?)", sp.GetInsertIgnoreTemplate("a(f) values(?)", "c"))
 	SetCurrentDBType(DBTypePostgres)
-	sp = GetDBSpecial()
+	sp = GetDBSpecial(DBTypePostgres)
 	assert.Equal(t, "$1 $2", sp.GetPlaceHoldSQL("? ?"))
 	assert.Equal(t, "begin", sp.GetXaSQL("start", "xa1"))
 	assert.Equal(t, "insert into a(f) values(?) on conflict ON CONSTRAINT c do nothing", sp.GetInsertIgnoreTemplate("a(f) values(?)", "c"))

dtmcli/dtmimp/trans_xa_base.go

@@ -18,14 +18,14 @@ func XaHandlePhase2(gid string, dbConf DBConf, branchID string, op string) error
 		return err
 	}
 	xaID := gid + "-" + branchID
-	_, err = DBExec(db, GetDBSpecial().GetXaSQL(op, xaID))
+	_, err = DBExec(dbConf.Driver, db, GetDBSpecial(dbConf.Driver).GetXaSQL(op, xaID))
 	if err != nil &&
 		(strings.Contains(err.Error(), "XAER_NOTA") || strings.Contains(err.Error(), "does not exist")) { // Repeat commit/rollback with the same id, report this error, ignore
 		err = nil
 	}
 	if op == OpRollback && err == nil {
 		// rollback insert a row after prepare. no-error means prepare has finished.
-		_, err = InsertBarrier(db, "xa", gid, branchID, OpAction, XaBarrier1, op)
+		_, err = InsertBarrier(db, "xa", gid, branchID, OpAction, XaBarrier1, op, dbConf.Driver, "")
 	}
 	return err
 }
@@ -39,20 +39,20 @@ func XaHandleLocalTrans(xa *TransBase, dbConf DBConf, cb func(*sql.DB) error) (r
 	}
 	defer func() { _ = db.Close() }()
 	defer DeferDo(&rerr, func() error {
-		_, err := DBExec(db, GetDBSpecial().GetXaSQL("prepare", xaBranch))
+		_, err := DBExec(dbConf.Driver, db, GetDBSpecial(dbConf.Driver).GetXaSQL("prepare", xaBranch))
 		return err
 	}, func() error {
 		return nil
 	})
-	_, rerr = DBExec(db, GetDBSpecial().GetXaSQL("start", xaBranch))
+	_, rerr = DBExec(dbConf.Driver, db, GetDBSpecial(dbConf.Driver).GetXaSQL("start", xaBranch))
 	if rerr != nil {
 		return
 	}
 	defer func() {
-		_, _ = DBExec(db, GetDBSpecial().GetXaSQL("end", xaBranch))
+		_, _ = DBExec(dbConf.Driver, db, GetDBSpecial(dbConf.Driver).GetXaSQL("end", xaBranch))
 	}()
 	// prepare and rollback both insert a row
-	_, rerr = InsertBarrier(db, xa.TransType, xa.Gid, xa.BranchID, OpAction, XaBarrier1, OpAction)
+	_, rerr = InsertBarrier(db, xa.TransType, xa.Gid, xa.BranchID, OpAction, XaBarrier1, OpAction, dbConf.Driver, "")
 	if rerr == nil {
 		rerr = cb(db)
 	}

dtmcli/dtmimp/utils.go

@@ -187,12 +187,12 @@ func XaDB(conf DBConf) (*sql.DB, error) {
 }
 
 // DBExec use raw db to exec
-func DBExec(db DB, sql string, values ...interface{}) (affected int64, rerr error) {
+func DBExec(dbType string, db DB, sql string, values ...interface{}) (affected int64, rerr error) {
 	if sql == "" {
 		return 0, nil
 	}
 	began := time.Now()
-	sql = GetDBSpecial().GetPlaceHoldSQL(sql)
+	sql = GetDBSpecial(dbType).GetPlaceHoldSQL(sql)
 	r, rerr := db.Exec(sql, values...)
 	used := time.Since(began) / time.Millisecond
 	if rerr == nil {
@@ -262,10 +262,16 @@ func EscapeGet(qs url.Values, key string) string {
 }
 
 // InsertBarrier insert a record to barrier
-func InsertBarrier(tx DB, transType string, gid string, branchID string, op string, barrierID string, reason string) (int64, error) {
+func InsertBarrier(tx DB, transType string, gid string, branchID string, op string, barrierID string, reason string, dbType string, barrierTableName string) (int64, error) {
 	if op == "" {
 		return 0, nil
 	}
-	sql := GetDBSpecial().GetInsertIgnoreTemplate(BarrierTableName+"(trans_type, gid, branch_id, op, barrier_id, reason) values(?,?,?,?,?,?)", "uniq_barrier")
+	if dbType == "" {
-	return DBExec(tx, sql, transType, gid, branchID, op, barrierID, reason)
+		dbType = currentDBType
+	}
+	if barrierTableName == "" {
+		barrierTableName = BarrierTableName
+	}
+	sql := GetDBSpecial(dbType).GetInsertIgnoreTemplate(barrierTableName+"(trans_type, gid, branch_id, op, barrier_id, reason) values(?,?,?,?,?,?)", "uniq_barrier")
+	return DBExec(dbType, tx, sql, transType, gid, branchID, op, barrierID, reason)
 }

dtmsvr/config/config.go

@@ -53,14 +53,13 @@ type Store struct {
 	Port               int64  `yaml:"Port"`
 	User               string `yaml:"User"`
 	Password           string `yaml:"Password"`
+	Db                 string `yaml:"Db" default:"dtm"`
 	MaxOpenConns       int64  `yaml:"MaxOpenConns" default:"500"`
 	MaxIdleConns       int64  `yaml:"MaxIdleConns" default:"500"`
 	ConnMaxLifeTime    int64  `yaml:"ConnMaxLifeTime" default:"5"`
 	DataExpire         int64  `yaml:"DataExpire" default:"604800"`        // Trans data will expire in 7 days. only for redis/boltdb.
 	FinishedDataExpire int64  `yaml:"FinishedDataExpire" default:"86400"` // finished Trans data will expire in 1 days. only for redis.
 	RedisPrefix        string `yaml:"RedisPrefix" default:"{a}"`          // Redis storage prefix. store data to only one slot in cluster
-	TransGlobalTable   string `yaml:"TransGlobalTable" default:"dtm.trans_global"`
-	TransBranchOpTable string `yaml:"TransBranchOpTable" default:"dtm.trans_branch_op"`
 }
 
 // IsDB checks config driver is mysql or postgres
@@ -76,6 +75,7 @@ func (s *Store) GetDBConf() dtmcli.DBConf {
 		Port:     s.Port,
 		User:     s.User,
 		Password: s.Password,
+		Db:       s.Db,
 	}
 }
 

dtmsvr/storage/trans.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/dtm-labs/dtm/dtmcli"
 	"github.com/dtm-labs/dtm/dtmcli/dtmimp"
-	"github.com/dtm-labs/dtm/dtmsvr/config"
 	"github.com/dtm-labs/dtm/dtmutil"
 )
 
@@ -45,7 +44,7 @@ type TransGlobalStore struct {
 
 // TableName TableName
 func (g *TransGlobalStore) TableName() string {
-	return config.Config.Store.TransGlobalTable
+	return "trans_global"
 }
 
 func (g *TransGlobalStore) String() string {
@@ -67,7 +66,7 @@ type TransBranchStore struct {
 
 // TableName TableName
 func (b *TransBranchStore) TableName() string {
-	return config.Config.Store.TransBranchOpTable
+	return "trans_branch_op"
 }
 
 func (b *TransBranchStore) String() string {

dtmutil/utils.go

@@ -168,7 +168,7 @@ func RunSQLScript(conf dtmcli.DBConf, script string, skipDrop bool) {
 		if s == "" || (skipDrop && strings.Contains(s, "drop")) {
 			continue
 		}
-		_, err = dtmimp.DBExec(con, s)
+		_, err = dtmimp.DBExec(conf.Driver, con, s)
 		logger.FatalIfError(err)
 		logger.Infof("sql scripts finished: %s", s)
 	}

helper/bench/svr/http.go

@@ -53,7 +53,7 @@ func reloadData() {
 	db := pdbGet()
 	tables := []string{"dtm_busi.user_account", "dtm_busi.user_account_log", "dtm.trans_global", "dtm.trans_branch_op", "dtm_barrier.barrier"}
 	for _, t := range tables {
-		_, err := dtmimp.DBExec(db, fmt.Sprintf("truncate %s", t))
+		_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, fmt.Sprintf("truncate %s", t))
 		logger.FatalIfError(err)
 	}
 	s := "insert ignore into dtm_busi.user_account(user_id, balance) values "
@@ -61,7 +61,7 @@ func reloadData() {
 	for i := 1; i <= total; i++ {
 		ss = append(ss, fmt.Sprintf("(%d, 1000000)", i))
 	}
-	_, err := dtmimp.DBExec(db, s+strings.Join(ss, ","))
+	_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, s+strings.Join(ss, ","))
 	logger.FatalIfError(err)
 	logger.Debugf("%d users inserted. used: %dms", total, time.Since(began).Milliseconds())
 }
@@ -73,11 +73,11 @@ var sqls = 1
 // PrepareBenchDB prepares db data for bench
 func PrepareBenchDB() {
 	db := pdbGet()
-	_, err := dtmimp.DBExec(db, "CREATE DATABASE if not exists dtm_busi")
+	_, err := dtmimp.DBExec(busi.BusiConf.Driver, db, "CREATE DATABASE if not exists dtm_busi")
 	logger.FatalIfError(err)
-	_, err = dtmimp.DBExec(db, "drop table if exists dtm_busi.user_account_log")
+	_, err = dtmimp.DBExec(busi.BusiConf.Driver, db, "drop table if exists dtm_busi.user_account_log")
 	logger.FatalIfError(err)
-	_, err = dtmimp.DBExec(db, `create table if not exists dtm_busi.user_account_log (
+	_, err = dtmimp.DBExec(busi.BusiConf.Driver, db, `create table if not exists dtm_busi.user_account_log (
 	id      INT(11) AUTO_INCREMENT PRIMARY KEY,
 	user_id INT(11) NOT NULL,
 	delta DECIMAL(11, 2) not null,
@@ -111,10 +111,10 @@ func qsAdjustBalance(uid int, amount int, c *gin.Context) error { // nolint: unp
 	tb := dtmimp.TransBaseFromQuery(c.Request.URL.Query())
 	f := func(tx *sql.Tx) error {
 		for i := 0; i < sqls; i++ {
-			_, err := dtmimp.DBExec(tx, "insert into dtm_busi.user_account_log(user_id, delta, gid, branch_id, op, reason)  values(?,?,?,?,?,?)",
+			_, err := dtmimp.DBExec(busi.BusiConf.Driver, tx, "insert into dtm_busi.user_account_log(user_id, delta, gid, branch_id, op, reason)  values(?,?,?,?,?,?)",
 				uid, amount, tb.Gid, c.Query("branch_id"), tb.TransType, fmt.Sprintf("inserted by dtm transaction %s %s", tb.Gid, c.Query("branch_id")))
 			logger.FatalIfError(err)
-			_, err = dtmimp.DBExec(tx, "update dtm_busi.user_account set balance = balance + ?, update_time = now() where user_id = ?", amount, uid)
+			_, err = dtmimp.DBExec(busi.BusiConf.Driver, tx, "update dtm_busi.user_account set balance = balance + ?, update_time = now() where user_id = ?", amount, uid)
 			logger.FatalIfError(err)
 		}
 		return nil

test/busi/base_http.go

@@ -69,7 +69,8 @@ func BaseAppStartup() *gin.Engine {
 	}
 	logger.Debugf("Starting busi at: %d", BusiPort)
 	go func() {
-		_ = app.Run(fmt.Sprintf(":%d", BusiPort))
+		err := app.Run(fmt.Sprintf(":%d", BusiPort))
+		dtmimp.FatalIfError(err)
 	}()
 	return app
 }

test/busi/busi.go

@@ -66,7 +66,7 @@ func sagaGrpcAdjustBalance(db dtmcli.DB, uid int, amount int64, result string) e
 	if result == dtmcli.ResultFailure {
 		return status.New(codes.Aborted, dtmcli.ResultFailure).Err()
 	}
-	_, err := dtmimp.DBExec(db, "update dtm_busi.user_account set balance = balance + ? where user_id = ?", amount, uid)
+	_, err := dtmimp.DBExec(BusiConf.Driver, db, "update dtm_busi.user_account set balance = balance + ? where user_id = ?", amount, uid)
 	return err
 }
 
@@ -75,7 +75,7 @@ func SagaAdjustBalance(db dtmcli.DB, uid int, amount int, result string) error {
 	if strings.Contains(result, dtmcli.ResultFailure) {
 		return dtmcli.ErrFailure
 	}
-	_, err := dtmimp.DBExec(db, "update dtm_busi.user_account set balance = balance + ? where user_id = ?", amount, uid)
+	_, err := dtmimp.DBExec(BusiConf.Driver, db, "update dtm_busi.user_account set balance = balance + ? where user_id = ?", amount, uid)
 	return err
 }
 
@@ -102,11 +102,10 @@ func SagaMongoAdjustBalance(ctx context.Context, mc *mongo.Client, uid int, amou
 		return fmt.Errorf("balance not enough %w", dtmcli.ErrFailure)
 	}
 	return nil
-
 }
 
 func tccAdjustTrading(db dtmcli.DB, uid int, amount int) error {
-	affected, err := dtmimp.DBExec(db, `update dtm_busi.user_account
+	affected, err := dtmimp.DBExec(BusiConf.Driver, db, `update dtm_busi.user_account
 		set trading_balance=trading_balance+?
 		where user_id=? and trading_balance + ? + balance >= 0`, amount, uid, amount)
 	if err == nil && affected == 0 {
@@ -116,7 +115,7 @@ func tccAdjustTrading(db dtmcli.DB, uid int, amount int) error {
 }
 
 func tccAdjustBalance(db dtmcli.DB, uid int, amount int) error {
-	affected, err := dtmimp.DBExec(db, `update dtm_busi.user_account
+	affected, err := dtmimp.DBExec(BusiConf.Driver, db, `update dtm_busi.user_account
 		set trading_balance=trading_balance-?,
 		balance=balance+? where user_id=?`, amount, amount, uid)
 	if err == nil && affected == 0 {

test/common_test.go

@@ -33,12 +33,12 @@ func testSql(t *testing.T) {
 func testDbAlone(t *testing.T) {
 	db, err := dtmimp.StandaloneDB(conf.Store.GetDBConf())
 	assert.Nil(t, err)
-	_, err = dtmimp.DBExec(db, "select 1")
+	_, err = dtmimp.DBExec(conf.Store.Driver, db, "select 1")
 	assert.Equal(t, nil, err)
-	_, err = dtmimp.DBExec(db, "")
+	_, err = dtmimp.DBExec(conf.Store.Driver, db, "")
 	assert.Equal(t, nil, err)
 	db.Close()
-	_, err = dtmimp.DBExec(db, "select 1")
+	_, err = dtmimp.DBExec(conf.Store.Driver, db, "select 1")
 	assert.NotEqual(t, nil, err)
 }
 

test/main_test.go

@@ -30,7 +30,6 @@ func exitIf(code int) {
 func TestMain(m *testing.M) {
 	config.MustLoadConfig("")
 	logger.InitLog("debug")
-	dtmcli.SetCurrentDBType(busi.BusiConf.Driver)
 	dtmsvr.TransProcessedTestChan = make(chan string, 1)
 	dtmsvr.NowForwardDuration = 0 * time.Second
 	dtmsvr.CronForwardDuration = 180 * time.Second
@@ -59,6 +58,7 @@ func TestMain(m *testing.M) {
 	registry.WaitStoreUp()
 
 	dtmsvr.PopulateDB(false)
+	conf.Store.Db = "dtm" // after populateDB, set current db to dtm
 	go dtmsvr.StartSvr()
 
 	busi.PopulateDB(false)

test/xa_test.go

@@ -43,10 +43,10 @@ func TestXaDuplicate(t *testing.T) {
 		sdb, err := dtmimp.StandaloneDB(busi.BusiConf)
 		assert.Nil(t, err)
 		if dtmcli.GetCurrentDBType() == dtmcli.DBTypeMysql {
-			_, err = dtmimp.DBExec(sdb, "xa recover")
+			_, err = dtmimp.DBExec(busi.BusiConf.Driver, sdb, "xa recover")
 			assert.Nil(t, err)
 		}
-		_, err = dtmimp.DBExec(sdb, dtmimp.GetDBSpecial().GetXaSQL("commit", gid+"-01")) // simulate repeated request
+		_, err = dtmimp.DBExec(busi.BusiConf.Driver, sdb, dtmimp.GetDBSpecial(busi.BusiConf.Driver).GetXaSQL("commit", gid+"-01")) // simulate repeated request
 		assert.Nil(t, err)
 		return xa.CallBranch(req, busi.Busi+"/TransInXa")
 	})