ledisdb/cmd/ledis-load/main.go

82 lines
1.4 KiB
Go

package main
import (
"encoding/json"
"flag"
"fmt"
"github.com/siddontang/ledisdb/ledis"
"io/ioutil"
)
var configPath = flag.String("config", "/etc/ledis.json", "ledisdb config file")
var dumpPath = flag.String("dump_file", "", "ledisdb dump file")
func main() {
flag.Parse()
if len(*configPath) == 0 {
println("need ledis config file")
return
}
data, err := ioutil.ReadFile(*configPath)
if err != nil {
println(err.Error())
return
}
if len(*dumpPath) == 0 {
println("need dump file")
return
}
var cfg ledis.Config
if err = json.Unmarshal(data, &cfg); err != nil {
println(err.Error())
return
}
if len(cfg.DataDir) == 0 {
println("must set data dir")
return
}
ldb, err := ledis.Open(&cfg)
if err != nil {
println("ledis open error ", err.Error())
return
}
err = loadDump(&cfg, ldb)
ldb.Close()
if err != nil {
println(err.Error())
return
}
println("Load OK")
}
func loadDump(cfg *ledis.Config, ldb *ledis.Ledis) error {
var err error
if err = ldb.FlushAll(); err != nil {
return err
}
var head *ledis.MasterInfo
head, err = ldb.LoadDumpFile(*dumpPath)
if err != nil {
return err
}
//master enable binlog, here output this like mysql
if head.LogFileIndex != 0 && head.LogPos != 0 {
format := "-- CHANGE MASTER TO MASTER_LOG_FILE='binlog.%07d', MASTER_LOG_POS=%d;\n"
fmt.Printf(format, head.LogFileIndex, head.LogPos)
}
return nil
}