neko/internal/config/root.go
2022-03-07 10:05:02 +00:00

98 lines
2.6 KiB
Go

package config
import (
"os"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
type Root struct {
Config string
LogLevel zerolog.Level
LogTime string
LogJson bool
LogNocolor bool
LogDir string
}
func (Root) Init(cmd *cobra.Command) error {
cmd.PersistentFlags().StringP("config", "c", "", "configuration file path")
if err := viper.BindPFlag("config", cmd.PersistentFlags().Lookup("config")); err != nil {
return err
}
// just a shortcut
cmd.PersistentFlags().BoolP("debug", "d", false, "enable debug mode")
if err := viper.BindPFlag("debug", cmd.PersistentFlags().Lookup("debug")); err != nil {
return err
}
cmd.PersistentFlags().String("log.level", "info", "set log level (trace, debug, info, warn, error, fatal, panic, disabled)")
if err := viper.BindPFlag("log.level", cmd.PersistentFlags().Lookup("log.level")); err != nil {
return err
}
cmd.PersistentFlags().String("log.time", "unix", "time format used in logs (unix, unixms, unixmicro)")
if err := viper.BindPFlag("log.time", cmd.PersistentFlags().Lookup("log.time")); err != nil {
return err
}
cmd.PersistentFlags().Bool("log.json", false, "logs in JSON format")
if err := viper.BindPFlag("log.json", cmd.PersistentFlags().Lookup("log.json")); err != nil {
return err
}
cmd.PersistentFlags().Bool("log.nocolor", false, "no ANSI colors in non-JSON output")
if err := viper.BindPFlag("log.nocolor", cmd.PersistentFlags().Lookup("log.nocolor")); err != nil {
return err
}
cmd.PersistentFlags().String("log.dir", "", "logging directory to store logs")
if err := viper.BindPFlag("log.dir", cmd.PersistentFlags().Lookup("log.dir")); err != nil {
return err
}
return nil
}
func (s *Root) Set() {
s.Config = viper.GetString("config")
logLevel := viper.GetString("log.level")
level, err := zerolog.ParseLevel(logLevel)
if err != nil {
log.Warn().Msgf("unknown log level %s", logLevel)
} else {
s.LogLevel = level
}
logTime := viper.GetString("log.time")
switch logTime {
case "unix":
s.LogTime = zerolog.TimeFormatUnix
case "unixms":
s.LogTime = zerolog.TimeFormatUnixMs
case "unixmicro":
s.LogTime = zerolog.TimeFormatUnixMicro
default:
log.Warn().Msgf("unknown log time %s", logTime)
}
s.LogJson = viper.GetBool("log.json")
s.LogNocolor = viper.GetBool("log.nocolor")
s.LogDir = viper.GetString("log.dir")
if viper.GetBool("debug") && s.LogLevel != zerolog.TraceLevel {
s.LogLevel = zerolog.DebugLevel
}
// support for NO_COLOR env variable: https://no-color.org/
if os.Getenv("NO_COLOR") != "" {
s.LogNocolor = true
}
}