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logrus-json-formatter

从logrus拷贝 json_formatter，将最后的输出改了下 logrus输出到文件时，能正常输出回车/TAB，取消转义

Documentation

Index

• Constants
• type FieldMap
• type Formatter
• type JSONFormatter
  • func (f *JSONFormatter) Format(entry *logrus.Entry) ([]byte, error)

Constants

const (
	FieldKeyMsg         = "msg"
	FieldKeyLevel       = "level"
	FieldKeyTime        = "time"
	FieldKeyLogrusError = "logrus_error"
	FieldKeyFunc        = "func"
	FieldKeyFile        = "file"
)

Default key names for the default fields

Types

type FieldMap

type FieldMap map[fieldKey]string

FieldMap allows customization of the key names for default fields.

type Formatter

type Formatter interface {
	Format(*logrus.Entry) ([]byte, error)
}

The Formatter interface is used to implement a custom Formatter. It takes an `Entry`. It exposes all the fields, including the default ones:

* `entry.Data["msg"]`. The message passed from Info, Warn, Error .. * `entry.Data["time"]`. The timestamp. * `entry.Data["level"]. The level the entry was logged at.

Any additional fields added with `WithField` or `WithFields` are also in `entry.Data`. Format is expected to return an array of bytes which are then logged to `logger.Out`.

type JSONFormatter

type JSONFormatter struct {
	// TimestampFormat sets the format used for marshaling timestamps.
	TimestampFormat string

	// DisableTimestamp allows disabling automatic timestamps in output
	DisableTimestamp bool

	// DataKey allows users to put all the log entry parameters into a nested dictionary at a given key.
	DataKey string

	// FieldMap allows users to customize the names of keys for default fields.
	// As an example:
	// formatter := &JSONFormatter{
	//   	FieldMap: FieldMap{
	// 		 FieldKeyTime:  "@timestamp",
	// 		 FieldKeyLevel: "@level",
	// 		 FieldKeyMsg:   "@message",
	// 		 FieldKeyFunc:  "@caller",
	//    },
	// }
	FieldMap FieldMap

	// CallerPrettyfier can be set by the user to modify the content
	// of the function and file keys in the json data when ReportCaller is
	// activated. If any of the returned value is the empty string the
	// corresponding key will be removed from json fields.
	CallerPrettyfier func(*runtime.Frame) (function string, file string)

	// PrettyPrint will indent all json logs
	PrettyPrint bool
}

JSONFormatter formats logs into parsable json

func (*JSONFormatter) Format

func (f *JSONFormatter) Format(entry *logrus.Entry) ([]byte, error)

Format renders a single log entry