46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package serverv2
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import (
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"io"
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"github.com/rs/zerolog"
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"github.com/spf13/viper"
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corelog "cosmossdk.io/core/log"
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"cosmossdk.io/log"
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)
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// NewLogger creates a the default SDK logger.
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// It reads the log level and format from the server context.
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func NewLogger(v *viper.Viper, out io.Writer) (corelog.Logger, error) {
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var opts []log.Option
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if v.GetString(FlagLogFormat) == OutputFormatJSON {
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opts = append(opts, log.OutputJSONOption())
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}
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opts = append(opts,
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log.ColorOption(!v.GetBool(FlagLogNoColor)),
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log.TraceOption(v.GetBool(FlagTrace)))
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// check and set filter level or keys for the logger if any
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logLvlStr := v.GetString(FlagLogLevel)
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if logLvlStr == "" {
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return log.NewLogger(out, opts...), nil
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}
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logLvl, err := zerolog.ParseLevel(logLvlStr)
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switch {
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case err != nil:
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// If the log level is not a valid zerolog level, then we try to parse it as a key filter.
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filterFunc, err := log.ParseLogLevel(logLvlStr)
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if err != nil {
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return nil, err
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}
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opts = append(opts, log.FilterOption(filterFunc))
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default:
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opts = append(opts, log.LevelOption(logLvl))
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}
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return log.NewLogger(out, opts...), nil
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}
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