logger

Documentation

Index

• Constants
• Variables
• type Fields
  • func (f Fields) Exists(key string) bool
  • func (f Fields) Get(key string) interface{}
  • func (f Fields) GetDuration(key string) time.Duration
  • func (f Fields) GetInt(key string) int
  • func (f Fields) GetString(key string) string
  • func (f Fields) GetTime(key string) time.Time
• type RequestLogger
  • func New(w io.Writer) RequestLogger

Constants

const (
	FieldUsername     = "username"
	FieldTimestamp    = "timestamp"
	FieldElapsedTime  = "elapsed"
	FieldResponseSize = "size"
)

Pre-defined log fields

Variables

var DefaultLogger = New(os.Stderr)

DefaultLogger logs to stderr.

Types

type Fields

type Fields map[string]interface{}

Fields is simple wrapper around logging fields.

func (Fields) Exists

func (f Fields) Exists(key string) bool

Exists returns true if the requested key exists in the map.

func (Fields) Get

func (f Fields) Get(key string) interface{}

Get returns the value associated with a key.

func (Fields) GetDuration

func (f Fields) GetDuration(key string) time.Duration

GetDuration returns a value as a time.Duration

func (Fields) GetInt

func (f Fields) GetInt(key string) int

GetInt returns a value as an int.

func (Fields) GetString

func (f Fields) GetString(key string) string

GetString returns a value as a string, or "-"

func (Fields) GetTime

func (f Fields) GetTime(key string) time.Time

GetTime returns a value as a timestamp.

type RequestLogger

type RequestLogger interface {
	Log(req *http.Request, status int, fields Fields)
}

RequestLogger is a request logger.

func New

func New(w io.Writer) RequestLogger

New returns a new RequestLogger that writes apache-style logs to an io.Writer.