alist/bootstrap/conf.go

72 lines
1.8 KiB
Go

package bootstrap
import (
"github.com/Xhofe/alist/conf"
"github.com/Xhofe/alist/utils"
"github.com/caarlos0/env/v6"
log "github.com/sirupsen/logrus"
"io/ioutil"
"os"
"path/filepath"
)
// InitConf init config
func InitConf() {
log.Infof("reading config file: %s", conf.ConfigFile)
if !utils.Exists(conf.ConfigFile) {
log.Infof("config file not exists, creating default config file")
_, err := utils.CreatNestedFile(conf.ConfigFile)
if err != nil {
log.Fatalf("failed to create config file")
}
conf.Conf = conf.DefaultConfig()
if !utils.WriteToJson(conf.ConfigFile, conf.Conf) {
log.Fatalf("failed to create default config file")
}
} else {
config, err := ioutil.ReadFile(conf.ConfigFile)
if err != nil {
log.Fatalf("reading config file error:%s", err.Error())
}
conf.Conf = conf.DefaultConfig()
err = utils.Json.Unmarshal(config, conf.Conf)
if err != nil {
log.Fatalf("load config error: %s", err.Error())
}
log.Debugf("config:%+v", conf.Conf)
// update config.json struct
confBody, err := utils.Json.MarshalIndent(conf.Conf, "", " ")
if err != nil {
log.Fatalf("marshal config error:%s", err.Error())
}
err = ioutil.WriteFile(conf.ConfigFile, confBody, 0777)
if err != nil {
log.Fatalf("update config struct error: %s", err.Error())
}
}
if !conf.Conf.Force {
confFromEnv()
}
err := os.RemoveAll(filepath.Join(conf.Conf.TempDir))
if err != nil {
log.Errorln("failed delete temp file:", err)
}
err = os.MkdirAll(conf.Conf.TempDir, 0700)
if err != nil {
log.Fatalf("create temp dir error: %s", err.Error())
}
log.Debugf("config: %+v", conf.Conf)
}
func confFromEnv() {
prefix := "ALIST_"
if conf.Docker {
prefix = ""
}
if err := env.Parse(conf.Conf, env.Options{
Prefix: prefix,
}); err != nil {
log.Fatalf("load config from env error: %s", err.Error())
}
}