status-go/logutils/override.go

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package logutils
import (
"os"
"strings"
"github.com/ethereum/go-ethereum/log"
"github.com/status-im/status-go/params"
)
// OverrideWithStdLogger overwrites ethereum's root logger with a logger from golang std lib.
func OverrideWithStdLogger(config *params.NodeConfig) error {
return enableRootLog(config.LogLevel, NewStdHandler(log.LogfmtFormat()))
}
// OverrideRootLogWithConfig derives all configuration from params.NodeConfig and configures logger using it.
func OverrideRootLogWithConfig(config *params.NodeConfig, colors bool) error {
if !config.LogEnabled {
return nil
}
if config.LogMobileSystem {
return OverrideWithStdLogger(config)
}
return OverrideRootLog(config.LogEnabled, config.LogLevel, FileOptions{
Filename: config.LogFile,
MaxSize: config.LogMaxSize,
MaxBackups: config.LogMaxBackups,
Compress: config.LogCompressRotated,
}, colors)
}
// OverrideRootLog overrides root logger with file handler, if defined,
// and log level (defaults to INFO).
func OverrideRootLog(enabled bool, levelStr string, fileOpts FileOptions, terminal bool) error {
if !enabled {
disableRootLog()
return nil
}
var (
handler log.Handler
)
if fileOpts.Filename != "" {
handler = FileHandlerWithRotation(fileOpts, log.LogfmtFormat())
} else {
handler = log.StreamHandler(os.Stderr, log.TerminalFormat(terminal))
}
return enableRootLog(levelStr, handler)
}
func disableRootLog() {
log.Root().SetHandler(log.DiscardHandler())
}
func enableRootLog(levelStr string, handler log.Handler) error {
if levelStr == "" {
levelStr = "INFO"
}
level, err := log.LvlFromString(strings.ToLower(levelStr))
if err != nil {
return err
}
filteredHandler := log.LvlFilterHandler(level, handler)
log.Root().SetHandler(filteredHandler)
return nil
}