log

package module
v0.1.0 Latest Latest
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 Go to latest Published: Jan 12, 2023 License: Apache-2.0 Imports: 9 Imported by: 0

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Index

Constants

View Source 
const (
	LogLevelUnspecified int = iota
	LogLevelTrace
	LogLevelDebug
	LogLevelInfo
	LogLevelWarn
	LogLevelError
	LogLevelFatal

	EnvLogLevelTrace = "TRACE"
	EnvLogLevelDebug = "DEBUG"
	EnvLogLevelInfo  = "INFO"
	EnvLogLevelWarn  = "WARN"
	EnvLogLevelError = "ERROR"
	EnvLogLevelFatal = "FATAL"

	// CallPath is The depth of a function is called
	CallPathDepth1  = 1
	CallPathDepth2  = 2
	CallPathDepth3  = 3
	CallPathDefault = CallPathDepth3

	// Color refers to if
	ColorOn  = true
	ColorOff = false

	// Default LogLevel
	LogLevelDefault = LogLevelInfo

	// Local is the default time zone
	LocationLocal = "Local"

	// TimeFormatDefault is The default format of time
	TimeFormatDefault = "2006-01-02 15:04:05.0000"
)

UNSPECIFIED means no log level

View Source 
const DefaultLogFile = "./access.log"

Variables

View Source 
var LogLevelMap = map[int]string{
	LogLevelUnspecified: "UNSPECIFIED",
	LogLevelTrace:       "TRACE",
	LogLevelDebug:       "DEBUG",
	LogLevelInfo:        "INFO",
	LogLevelWarn:        "WARN",
	LogLevelError:       "ERROR",
	LogLevelFatal:       "FATAL",
}

LogLevelMap is log level map

Functions

func Debugf 

func Debugf(format string, v ...interface{})

Debugf print debug level logs in a specific format

func Debugln 

func Debugln(v ...interface{})

Debugln print debug level logs in a line

func Errorf 

func Errorf(format string, v ...interface{})

Errorf print error level logs in a specific format

func Errorln 

func Errorln(v ...interface{})

Errorln print error level logs in a line

func Fatalf 

func Fatalf(format string, v ...interface{})

Fatalf print fatal level logs in a specific format

func Fatalln 

func Fatalln(v ...interface{})

Fatalln print fatal level logs in a line

func Infof 

func Infof(format string, v ...interface{})

Infof print info level logs in a specific format

func Infoln 

func Infoln(v ...interface{})

Infoln print info level logs in a line

func NewDefaultLogger 

func NewDefaultLogger()

NewDefaultLogger returns a instance of Logger with default configurations

func SetCallPath 

func SetCallPath(caller int)

SetCallPath set caller path

func SetDefaultLogFile 

func SetDefaultLogFile()

func SetFormatter 

func SetFormatter(f Formatter)

func SetLevel 

func SetLevel(lv string)

SetLevel set log level by name

func SetLogFile 

func SetLogFile(path string)

func SetSink 

func SetSink(s Sink)

func Tracef 

func Tracef(format string, v ...interface{})

Tracef print trace level logs in a specific format

func Traceln 

func Traceln(v ...interface{})

Traceln print trace level logs in a line

func Warnf 

func Warnf(format string, v ...interface{})

Warnf print warn level logs in a specific format

func Warnln 

func Warnln(v ...interface{})

Warnln print warn level logs in a line

Types

type Context 

type Context map[string]string

type Entry 

type Entry struct {

	// Ctx context.Context
	Context Context
	// contains filtered or unexported fields
}

func NewEntry 

func NewEntry() *Entry

func SetContext 

func SetContext(ctx Context) *Entry

func (*Entry) Debugf 

func (e *Entry) Debugf(format string, v ...interface{})

Debugf print debug level logs in a specific format

func (*Entry) Debugln 

func (e *Entry) Debugln(v ...interface{})

Debugln print debug level logs in a line

func (*Entry) Errorf 

func (e *Entry) Errorf(format string, v ...interface{})

Errorf print error level logs in a specific format

func (*Entry) Errorln 

func (e *Entry) Errorln(v ...interface{})

Errorln print error level logs in a line

func (*Entry) Fatalf 

func (e *Entry) Fatalf(format string, v ...interface{})

Fatalf print fatal level logs in a specific format

func (*Entry) Fatalln 

func (e *Entry) Fatalln(v ...interface{})

Fatalln print fatal level logs in a line

func (*Entry) Infof 

func (e *Entry) Infof(format string, v ...interface{})

Infof print info level logs in a specific format

func (*Entry) Infoln 

func (e *Entry) Infoln(v ...interface{})

Infoln print info level logs in a line

func (*Entry) Tracef 

func (e *Entry) Tracef(format string, v ...interface{})

Tracef print trace level logs in a specific format

func (*Entry) Traceln 

func (e *Entry) Traceln(v ...interface{})

Traceln print trace level logs in a line

func (*Entry) Warnf 

func (e *Entry) Warnf(format string, v ...interface{})

Warnf print warn level logs in a specific format

func (*Entry) Warnln 

func (e *Entry) Warnln(v ...interface{})

Warnln print warn level logs in a line

func (*Entry) WithContext 

func (e *Entry) WithContext(ctx Context) *Entry

type Fields 

type Fields struct {
	Timestamp string
	Level     string
	Msg       string
	Func      string
	File      string
	Line      int

	Context
}

type Formatter 

type Formatter interface {
	Print(fields Fields, ctx Context) string
	SetColor(color bool)
}

Formatter will decide how logs are printed Default consist of: * TextFormatter, print as "deployment=kubestar namespace=default msg=deployment not found" * JSONFormatter, print as "{"deployment": "kubestar", "namespace": "default", "msg": "deployment not found"}"

type JSONFormatter 

type JSONFormatter struct {
	Color bool
}

func (*JSONFormatter) Print 

func (t *JSONFormatter) Print(fields Fields, ctx Context) string

func (*JSONFormatter) SetColor 

func (t *JSONFormatter) SetColor(color bool)

type Logger 

type Logger struct {
	Writer io.Writer

	Level    int
	CallPath int
	Async    bool
	Sink     Sink
	// contains filtered or unexported fields
}

Logger defines a general logger which could write specific logs

func NewLogger 

func NewLogger(writer io.Writer, level, caller int) *Logger

NewLogger returns a instance of Logger

func (*Logger) Debugf 

func (l *Logger) Debugf(format string, v ...interface{})

Debugf print debug level logs in a specific format

func (*Logger) Debugln 

func (l *Logger) Debugln(v ...interface{})

Debugln print debug level logs in a line

func (*Logger) EnableAsync 

func (l *Logger) EnableAsync() *Logger

func (*Logger) Errorf 

func (l *Logger) Errorf(format string, v ...interface{})

Errorf print error level logs in a specific format

func (*Logger) Errorln 

func (l *Logger) Errorln(v ...interface{})

Errorln print error level logs in a line

func (*Logger) Fatalf 

func (l *Logger) Fatalf(format string, v ...interface{})

Fatalf print fatal level logs in a specific format

func (*Logger) Fatalln 

func (l *Logger) Fatalln(v ...interface{})

Fatalln print fatal level logs in a line

func (*Logger) Infof 

func (l *Logger) Infof(format string, v ...interface{})

Infof print info level logs in a specific format

func (*Logger) Infoln 

func (l *Logger) Infoln(v ...interface{})

Infoln print info level logs in a line

func (*Logger) SetCallPath 

func (l *Logger) SetCallPath(callPath int)

SetCallPath set caller path

func (*Logger) SetContext 

func (l *Logger) SetContext(ctx Context) *Entry

func (*Logger) SetFormatter 

func (l *Logger) SetFormatter(f Formatter) *Logger

func (*Logger) SetLevel 

func (l *Logger) SetLevel(level int)

SetLevel set the level of log

func (*Logger) SetLevelByName 

func (l *Logger) SetLevelByName(level string)

SetLevelByName set the log level by name

func (*Logger) Tracef 

func (l *Logger) Tracef(format string, v ...interface{})

Tracef print trace level logs in a specific format

func (*Logger) Traceln 

func (l *Logger) Traceln(v ...interface{})

Traceln print trace level logs in a line

func (*Logger) Warnf 

func (l *Logger) Warnf(format string, v ...interface{})

Warnf print warn level logs in a specific format

func (*Logger) Warnln 

func (l *Logger) Warnln(v ...interface{})

Warnln print warn level logs in a line

type Sink 

type Sink interface {
	Receiver() chan logEvent
	Output() error
}

Sink defines a Sink

type StdioSink 

type StdioSink struct {
	// contains filtered or unexported fields
}

func (*StdioSink) Output 

func (s *StdioSink) Output() error

func (*StdioSink) Receiver 

func (s *StdioSink) Receiver() chan logEvent

type TextFormatter 

type TextFormatter struct {
	Color bool
}

func (*TextFormatter) Print 

func (t *TextFormatter) Print(fields Fields, ctx Context) string

func (*TextFormatter) SetColor 

func (t *TextFormatter) SetColor(color bool)

Source Files

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