Added logging config

cmd/start.go

@@ -37,7 +37,6 @@ func StartCmdWithOptions[C any](
 		RunE: func(cmd *cobra.Command, args []string) error {
 			// Create a context that will be cancelled when the user presses Ctrl+C
 			// (process receives termination signal).
-			logger := log.NewBlankLogger(cmd.OutOrStdout())
 			ctx, stop := signal.NotifyContext(cmd.Context(), os.Interrupt, syscall.SIGTERM)
 
 			configPath, err := cmd.Flags().GetString(flags.ConfigPath)
@@ -67,6 +66,7 @@ func StartCmdWithOptions[C any](
 
 			ab := baseapp.NewAppBuilder(app.Name())
 
+			logger := log.NewWithCfg(cmd.OutOrStdout(), app.Name(), cfg.Log)
 			// // Maybe move this to BuildApp?
 			// ethClient := eth.NewHealthCheckedClient(&cfg.Eth)
 			// ab.RegisterEthClient(ethClient)

config/config.go

@@ -2,6 +2,7 @@ package config
 
 import (
 	"github.com/berachain/offchain-sdk/client/eth"
+	"github.com/berachain/offchain-sdk/log"
 	"github.com/berachain/offchain-sdk/server"
 )
 
@@ -19,4 +20,7 @@ type Config[C any] struct {
 
 	// Server Config
 	Server server.Config
+
+	// Log Config
+	Log log.Config
 }

log/log.go

@@ -4,6 +4,8 @@ import (
 	"io"
 	"time"
 
+	"github.com/rs/zerolog"
+
 	"cosmossdk.io/log"
 )
 
@@ -34,6 +36,11 @@ type Logger interface {
 	Impl() any
 }
 
+type Config struct {
+	Format string
+	Level  string
+}
+
 // loggerImpl is the implementation of the Logger interface.
 type loggerImpl struct {
 	log.Logger
@@ -45,6 +52,24 @@ func (l *loggerImpl) With(keyVals ...any) Logger {
 	return &loggerImpl{logger}
 }
 
+func NewWithCfg(dst io.Writer, runner string, cfg Config) Logger {
+	level, err := zerolog.ParseLevel(cfg.Level)
+	if err != nil {
+		level = zerolog.DebugLevel
+	}
+	opts := []log.Option{
+		log.LevelOption(level),
+		log.TimeFormatOption(time.RFC3339),
+	}
+	if cfg.Format == "json" {
+		opts = append(opts, log.OutputJSONOption())
+	} else {
+		opts = append(opts, log.ColorOption(true))
+	}
+	logger := log.NewLogger(dst, opts...)
+	return &loggerImpl{logger.With("namespace", runner)}
+}
+
 // NewLogger creates a new logger with the given writer and runner name.
 // The logger is a wrapper around cosmossdk logger.
 func NewLogger(dst io.Writer, runner string) Logger {