seaweedfs/weed/util/config.go
2020-12-16 09:14:05 -08:00

57 lines
1.7 KiB
Go

package util
import (
"strings"
"github.com/spf13/viper"
"github.com/chrislusf/seaweedfs/weed/glog"
)
type Configuration interface {
GetString(key string) string
GetBool(key string) bool
GetInt(key string) int
GetStringSlice(key string) []string
SetDefault(key string, value interface{})
}
func LoadConfiguration(configFileName string, required bool) (loaded bool) {
// find a filer store
viper.SetConfigName(configFileName) // name of config file (without extension)
viper.AddConfigPath(".") // optionally look for config in the working directory
viper.AddConfigPath("$HOME/.seaweedfs") // call multiple times to add many search paths
viper.AddConfigPath("/usr/local/etc/seaweedfs/") // search path for bsd-style config directory in
viper.AddConfigPath("/etc/seaweedfs/") // path to look for the config file in
glog.V(1).Infof("Reading %s.toml from %s", configFileName, viper.ConfigFileUsed())
if err := viper.MergeInConfig(); err != nil { // Handle errors reading the config file
logLevel := glog.Level(0)
if strings.Contains(err.Error(), "Not Found") {
logLevel = 1
}
glog.V(logLevel).Infof("Reading %s: %v", viper.ConfigFileUsed(), err)
if required {
glog.Fatalf("Failed to load %s.toml file from current directory, or $HOME/.seaweedfs/, or /etc/seaweedfs/"+
"\n\nPlease use this command to generate the default %s.toml file\n"+
" weed scaffold -config=%s -output=.\n\n\n",
configFileName, configFileName, configFileName)
} else {
return false
}
}
return true
}
func GetViper() *viper.Viper {
v := &viper.Viper{}
*v = *viper.GetViper()
v.AutomaticEnv()
v.SetEnvPrefix("weed")
v.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
return v
}