jsonlog

package
Version: v0.0.0-...-288be08 Latest Latest
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Published: Aug 14, 2019 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Overview

Package jsonlog provides helper functions to parse and print time (time.Time) as JSON.

Index

Constants

View Source
const (
	// RFC3339NanoFixed is our own version of RFC339Nano because we want one
	// that pads the nano seconds part with zeros to ensure
	// the timestamps are aligned in the logs.
	RFC3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
	// JSONFormat is the format used by FastMarshalJSON
	JSONFormat = `"` + time.RFC3339Nano + `"`
)

Variables

This section is empty.

Functions

func FastTimeMarshalJSON

func FastTimeMarshalJSON(t time.Time) (string, error)

FastTimeMarshalJSON avoids one of the extra allocations that time.MarshalJSON is making.

Types

type JSONLog

type JSONLog struct {
	// Log is the log message
	Log string `json:"log,omitempty"`
	// Stream is the log source
	Stream string `json:"stream,omitempty"`
	// Created is the created timestamp of log
	Created time.Time `json:"time"`
	// Attrs is the list of extra attributes provided by the user
	Attrs map[string]string `json:"attrs,omitempty"`
}

JSONLog represents a log message, typically a single entry from a given log stream. JSONLogs can be easily serialized to and from JSON and support custom formatting.

func (*JSONLog) Format

func (jl *JSONLog) Format(format string) (string, error)

Format returns the log formatted according to format If format is nil, returns the log message If format is json, returns the log marshaled in json format By default, returns the log with the log time formatted according to format.

func (*JSONLog) MarshalJSON

func (mj *JSONLog) MarshalJSON() ([]byte, error)

MarshalJSON marshals the JSONLog.

func (*JSONLog) MarshalJSONBuf

func (mj *JSONLog) MarshalJSONBuf(buf *bytes.Buffer) error

MarshalJSONBuf marshals the JSONLog and stores the result to a bytes.Buffer.

func (*JSONLog) Reset

func (jl *JSONLog) Reset()

Reset resets the log to nil.

type JSONLogs

type JSONLogs struct {
	Log     []byte `json:"log,omitempty"`
	Stream  string `json:"stream,omitempty"`
	Created string `json:"time"`

	// json-encoded bytes
	RawAttrs json.RawMessage `json:"attrs,omitempty"`
}

JSONLogs is based on JSONLog. It allows marshalling JSONLog from Log as []byte and an already marshalled Created timestamp.

func (*JSONLogs) MarshalJSONBuf

func (mj *JSONLogs) MarshalJSONBuf(buf *bytes.Buffer) error

MarshalJSONBuf is based on the same method from JSONLog It has been modified to take into account the necessary changes.

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