logger

Documentation

Overview

Package logger provides console output for libhkbuildpack operations.

Index

• type Identifiable
• type Log
  • func New(l logLevelEnalbler) *Log
  • func NewFromWriters(debug, info io.Writer) *Log
  • func (l Log) Debug(format string, args ...interface{})
  • func (l Log) Error(format string, args ...interface{})
  • func (l Log) FirstLine(format string, args ...interface{})
  • func (l Log) Info(format string, args ...interface{})
  • func (l Log) IsDebugEnabled() bool
  • func (l Log) PrettyIdentity(v Identifiable) string
  • func (l Log) SubsequentLine(format string, args ...interface{})
  • func (l Log) Warning(format string, args ...interface{})

Types

type Identifiable

type Identifiable interface {
	// Identity is the method that returns the required name and optional description that make up identity.
	Identity() (name string, description string)
}

Identifiable is an interface that indicates that a type has an identity.

type Log

type Log struct {
	sync.Mutex
	// contains filtered or unexported fields
}

Log supports logging related methods and state

func New

func New(l logLevelEnalbler) *Log

func NewFromWriters

func NewFromWriters(debug, info io.Writer) *Log

func (Log) Debug

func (l Log) Debug(format string, args ...interface{})

func (Log) Error

func (l Log) Error(format string, args ...interface{})

Error prints an error message to the console if an info logger is provided.

func (Log) FirstLine

func (l Log) FirstLine(format string, args ...interface{})

FirstLine prints a line with a leading arrow.

func (Log) Info

func (l Log) Info(format string, args ...interface{})

func (Log) IsDebugEnabled

func (l Log) IsDebugEnabled() bool

func (Log) PrettyIdentity

func (l Log) PrettyIdentity(v Identifiable) string

func (Log) SubsequentLine

func (l Log) SubsequentLine(format string, args ...interface{})

SubsequentLine prints indented output without the leading arrow.

func (Log) Warning

func (l Log) Warning(format string, args ...interface{})

Warning prints a warning message