77 lines
1.9 KiB
Go
77 lines
1.9 KiB
Go
// go-mysqlbinlog: a simple binlog tool to sync remote MySQL binlog.
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// go-mysqlbinlog supports semi-sync mode like facebook mysqlbinlog.
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// see http://yoshinorimatsunobu.blogspot.com/2014/04/semi-synchronous-replication-at-facebook.html
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package main
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import (
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"flag"
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"fmt"
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"os"
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"golang.org/x/net/context"
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"github.com/juju/errors"
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"github.com/siddontang/go-mysql/mysql"
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"github.com/siddontang/go-mysql/replication"
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)
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var host = flag.String("host", "127.0.0.1", "MySQL host")
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var port = flag.Int("port", 3306, "MySQL port")
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var user = flag.String("user", "root", "MySQL user, must have replication privilege")
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var password = flag.String("password", "", "MySQL password")
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var flavor = flag.String("flavor", "mysql", "Flavor: mysql or mariadb")
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var file = flag.String("file", "", "Binlog filename")
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var pos = flag.Int("pos", 4, "Binlog position")
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var semiSync = flag.Bool("semisync", false, "Support semi sync")
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var backupPath = flag.String("backup_path", "", "backup path to store binlog files")
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var rawMode = flag.Bool("raw", false, "Use raw mode")
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func main() {
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flag.Parse()
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cfg := replication.BinlogSyncerConfig{
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ServerID: 101,
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Flavor: *flavor,
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Host: *host,
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Port: uint16(*port),
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User: *user,
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Password: *password,
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RawModeEanbled: *rawMode,
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SemiSyncEnabled: *semiSync,
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}
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b := replication.NewBinlogSyncer(&cfg)
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pos := mysql.Position{*file, uint32(*pos)}
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if len(*backupPath) > 0 {
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// Backup will always use RawMode.
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err := b.StartBackup(*backupPath, pos, 0)
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if err != nil {
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fmt.Printf("Start backup error: %v\n", errors.ErrorStack(err))
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return
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}
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} else {
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s, err := b.StartSync(pos)
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if err != nil {
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fmt.Printf("Start sync error: %v\n", errors.ErrorStack(err))
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return
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}
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for {
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e, err := s.GetEvent(context.Background())
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if err != nil {
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fmt.Printf("Get event error: %v\n", errors.ErrorStack(err))
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return
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}
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e.Dump(os.Stdout)
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}
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}
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}
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