configure loggers

cmd/root.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strings"
 
 	"git.bloy.org/mike/hasshelper/web"
 	"github.com/rs/zerolog"
@@ -20,12 +21,22 @@ var rootCmd = &cobra.Command{
 }
 
 func rootCmdRun(cmd *cobra.Command, args []string) {
-	var logger = zerolog.New(os.Stderr).With().Timestamp().Logger()
-	var err error
+	logLevel, err := zerolog.ParseLevel(viper.GetString("loglevel"))
+	zerolog.SetGlobalLevel(logLevel)
 	if err != nil {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
+	var logger zerolog.Logger
+	if viper.GetString("deployment") == "prod" {
+		logger = zerolog.New(os.Stderr)
+	} else {
+		logger = zerolog.New(zerolog.ConsoleWriter{
+			Out:         os.Stdout,
+			FormatLevel: func(i interface{}) string { return strings.ToUpper(fmt.Sprintf("%-6s|", i)) },
+		})
+	}
+	logger = logger.With().Timestamp().Caller().Logger()
 	logger.Info().Str("version", viper.GetString("version")).Msg("HASSHelper startup")
 	exitchan := make(chan bool)
 	web.Run(logger, exitchan)
@@ -57,6 +68,7 @@ func init() {
 	viper.SetEnvPrefix("hasshelper")
 	viper.Set("version", gitVersion)
 	viper.SetDefault("deployment", "prod")
+	viper.SetDefault("loglevel", "info")
 }
 
 func initConfig() {