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zap.go
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zap.go
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package logging
import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// NewProductionConsoleConfig is a reasonable production logging configuration.
// Logging is enabled at InfoLevel and above.
//
// It uses a console encoder, writes to standard error, and enables sampling.
// Stacktraces are automatically included on logs of ErrorLevel and above.
func NewProductionConsoleConfig(suppressTimestamps bool) zap.Config {
return zap.Config{
Level: zap.NewAtomicLevelAt(zap.InfoLevel),
Development: false,
Sampling: &zap.SamplingConfig{
Initial: 100,
Thereafter: 100,
},
Encoding: "console",
EncoderConfig: NewProductionConsoleEncoderConfig(suppressTimestamps),
OutputPaths: []string{"stderr"},
ErrorOutputPaths: []string{"stderr"},
}
}
// NewProductionConsoleEncoderConfig returns an opinionated EncoderConfig for
// production console environments.
func NewProductionConsoleEncoderConfig(suppressTimestamps bool) zapcore.EncoderConfig {
var (
timeKey string
encodeTime zapcore.TimeEncoder
)
if !suppressTimestamps {
timeKey = "T"
encodeTime = zapcore.ISO8601TimeEncoder
}
return zapcore.EncoderConfig{
TimeKey: timeKey,
LevelKey: "L",
NameKey: "N",
CallerKey: "C",
FunctionKey: zapcore.OmitKey,
MessageKey: "M",
StacktraceKey: "S",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalColorLevelEncoder,
EncodeTime: encodeTime,
EncodeDuration: zapcore.StringDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
ConsoleSeparator: " ",
}
}