/
log.go
141 lines (116 loc) · 2.55 KB
/
log.go
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// Package log is a global internal logger
package log
import (
"os"
"github.com/go-log/log"
golog "github.com/go-log/log/log"
)
// level is a log level
type Level int
const (
LevelFatal Level = iota
LevelInfo
LevelError
LevelDebug
LevelTrace
)
var (
// the local logger
logger log.Logger = golog.New()
// default log level is info
level = LevelInfo
)
func init() {
switch os.Getenv("MICRO_LOG_LEVEL") {
case "trace":
level = LevelTrace
case "debug":
level = LevelDebug
case "info":
level = LevelInfo
case "error":
level = LevelError
case "fatal":
level = LevelFatal
}
}
// Log makes use of github.com/go-log/log.Log
func Log(v ...interface{}) {
logger.Log(v...)
}
// Logf makes use of github.com/go-log/log.Logf
func Logf(format string, v ...interface{}) {
logger.Logf(format, v...)
}
// WithLevel logs with the level specified
func WithLevel(l Level, v ...interface{}) {
if l > level {
return
}
Log(v...)
}
// WithLevel logs with the level specified
func WithLevelf(l Level, format string, v ...interface{}) {
if l > level {
return
}
Logf(format, v...)
}
// Trace provides trace level logging
func Trace(v ...interface{}) {
WithLevel(LevelTrace, v...)
}
// Tracef provides trace level logging
func Tracef(format string, v ...interface{}) {
WithLevelf(LevelTrace, format, v...)
}
// Debug provides debug level logging
func Debug(v ...interface{}) {
WithLevel(LevelDebug, v...)
}
// Debugf provides debug level logging
func Debugf(format string, v ...interface{}) {
WithLevelf(LevelDebug, format, v...)
}
// Info provides info level logging
func Info(v ...interface{}) {
WithLevel(LevelInfo, v...)
}
// Infof provides info level logging
func Infof(format string, v ...interface{}) {
WithLevelf(LevelInfo, format, v...)
}
// Error provides warn level logging
func Error(v ...interface{}) {
WithLevel(LevelError, v...)
}
// Errorf provides warn level logging
func Errorf(format string, v ...interface{}) {
WithLevelf(LevelError, format, v...)
}
// Fatal logs with Log and then exits with os.Exit(1)
func Fatal(v ...interface{}) {
WithLevel(LevelFatal, v...)
os.Exit(1)
}
// Fatalf logs with Logf and then exits with os.Exit(1)
func Fatalf(format string, v ...interface{}) {
WithLevelf(LevelFatal, format, v...)
os.Exit(1)
}
// SetLogger sets the local logger
func SetLogger(l log.Logger) {
logger = l
}
// GetLogger returns the local logger
func GetLogger() log.Logger {
return logger
}
// SetLevel sets the log level
func SetLevel(l Level) {
level = l
}
// GetLevel returns the current level
func GetLevel() Level {
return level
}