logutil

Documentation

Overview

Example (Logall)

package main

import (
	"berty.tech/berty/v2/go/internal/logutil"
)

func main() {
	logger, cleanup, err := logutil.NewLogger(logutil.NewStdStream("*", "light-console", "stdout"))
	if err != nil {
		panic(err)
	}
	defer cleanup()

	logger.Debug("top debug")
	logger.Info("top info")
	logger.Warn("top warn")
	logger.Error("top error")

	logger.Named("foo").Debug("foo debug")
	logger.Named("foo").Info("foo info")
	logger.Named("foo").Warn("foo warn")
	logger.Named("foo").Error("foo error")

}

Output:

DEBUG	bty               	logutil/example_test.go:14	top debug
INFO 	bty               	logutil/example_test.go:15	top info
WARN 	bty               	logutil/example_test.go:16	top warn
ERROR	bty               	logutil/example_test.go:17	top error
DEBUG	bty.foo           	logutil/example_test.go:19	foo debug
INFO 	bty.foo           	logutil/example_test.go:20	foo info
WARN 	bty.foo           	logutil/example_test.go:21	foo warn
ERROR	bty.foo           	logutil/example_test.go:22	foo error

Example (Logerrors)

package main

import (
	"berty.tech/berty/v2/go/internal/logutil"
)

func main() {
	logger, cleanup, err := logutil.NewLogger(logutil.NewStdStream("error:*,-*.bar warn:*.bar", "light-console", "stdout"))
	if err != nil {
		panic(err)
	}
	defer cleanup()

	logger.Debug("top debug")
	logger.Info("top info")
	logger.Warn("top warn")
	logger.Error("top error")

	logger.Named("foo").Debug("foo debug")
	logger.Named("foo").Info("foo info")
	logger.Named("foo").Warn("foo warn")
	logger.Named("foo").Error("foo error")

	logger.Named("foo").Named("bar").Debug("foo.bar debug")
	logger.Named("foo").Named("bar").Info("foo.bar info")
	logger.Named("foo").Named("bar").Warn("foo.bar warn")
	logger.Named("foo").Named("bar").Error("foo.bar error")

}

Output:

ERROR	bty               	logutil/example_test.go:45	top error
ERROR	bty.foo           	logutil/example_test.go:50	foo error
WARN 	bty.foo.bar       	logutil/example_test.go:54	foo.bar warn

Index

• Constants
• func DecorateLogger(base *zap.Logger, filters string) (*zap.Logger, func(), error)
• func NewLogger(streams ...Stream) (*zap.Logger, func(), error)
• type Stream
  • func NewLumberjackStream(filters, format string, opts *lumberjack.Logger) Stream
  • func NewRingStream(filters, format string, ring *zapring.Core) Stream
  • func NewStdStream(filters, format, path string) Stream

Examples

• Package (Logall)
• Package (Logerrors)

Constants

const (
	Black uint8 = iota + 30
	Red
	Green
	Yellow
	Blue
	Magenta
	Cyan
	White
)

Functions

func DecorateLogger

func DecorateLogger(base *zap.Logger, filters string) (*zap.Logger, func(), error)

DecorateLogger can be used by external packages to configure zapfilter and libp2p logging on an existing zap.Logger.

func NewLogger

func NewLogger(streams ...Stream) (*zap.Logger, func(), error)

Types

type Stream

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

func NewLumberjackStream

func NewLumberjackStream(filters, format string, opts *lumberjack.Logger) Stream

func NewRingStream

func NewRingStream(filters, format string, ring *zapring.Core) Stream

func NewStdStream

func NewStdStream(filters, format, path string) Stream