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init.go
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init.go
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package cmd
import (
"encoding/json"
"errors"
"github.com/koihuang/speedfs/config"
"github.com/koihuang/speedfs/util"
"github.com/urfave/cli/v2"
"io/ioutil"
"os"
"path"
"strconv"
)
func Init(ctx *cli.Context) error {
var (
err error
configPath string
localIP string
peers []string
)
configDir := path.Join(config.SPEEDFS_PATH, config.CONF_DIR_NAME)
configPath = path.Join(configDir, config.CONF_FILE_NAME)
exist := util.FileExist(configPath)
if exist {
return errors.New("already be inited")
}
err = os.MkdirAll(configDir, 0755)
if err != nil {
return err
}
localIP, err = util.LocalIP()
if err != nil {
localIP = ""
}
if localIP != "" {
peers = append(peers, localIP+":"+strconv.Itoa(config.DEFAULT_SERVER_PORT))
}
initConfig := config.Config{
Port: config.DEFAULT_SERVER_PORT,
AdvertiseIP: localIP,
Peers: peers,
}
cfgJson, err := json.MarshalIndent(initConfig, "", " ")
if err != nil {
return err
}
err = ioutil.WriteFile(configPath, cfgJson, 0644)
if err != nil {
return err
}
fileRootDir := path.Join(config.SPEEDFS_PATH, config.FILE_DIR_NAME)
err = os.MkdirAll(fileRootDir, 0755)
if err != nil {
return err
}
logRootDir := path.Join(config.SPEEDFS_PATH, config.LOG_DIR_NAME)
err = os.MkdirAll(logRootDir, 0755)
if err != nil {
return err
}
return nil
}