2019-05-31 00:35:04 +01:00
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// Package log is a global internal logger
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package log
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import (
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"os"
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"github.com/go-log/log"
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golog "github.com/go-log/log/log"
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)
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2019-07-02 19:21:43 +01:00
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// level is a log level
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type Level int
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const (
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trace Level = iota
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debug
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info
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fatal
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)
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2019-05-31 00:35:04 +01:00
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var (
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// the local logger
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logger log.Logger = golog.New()
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2019-07-02 19:21:43 +01:00
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// default log level is debug
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level = info
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2019-05-31 00:35:04 +01:00
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)
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2019-08-08 13:07:04 +01:00
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func init() {
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switch os.Getenv("MICRO_LOG_LEVEL") {
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case "debug":
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level = debug
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case "info":
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level = info
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case "trace":
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level = trace
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case "fatal":
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level = fatal
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}
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}
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2019-05-31 00:35:04 +01:00
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// Log makes use of github.com/go-log/log.Log
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func Log(v ...interface{}) {
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logger.Log(v...)
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}
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// Logf makes use of github.com/go-log/log.Logf
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func Logf(format string, v ...interface{}) {
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logger.Logf(format, v...)
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}
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2019-07-02 19:21:43 +01:00
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// WithLevel logs with the level specified
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func WithLevel(l Level, v ...interface{}) {
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if l < level {
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return
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}
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Log(v...)
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}
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// WithLevel logs with the level specified
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func WithLevelf(l Level, format string, v ...interface{}) {
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if l < level {
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return
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}
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Logf(format, v...)
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}
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// Trace provides trace level logging
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func Trace(v ...interface{}) {
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WithLevel(trace, v...)
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}
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// Tracef provides trace level logging
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func Tracef(format string, v ...interface{}) {
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WithLevelf(trace, format, v...)
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}
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// Debug provides debug level logging
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func Debug(v ...interface{}) {
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WithLevel(debug, v...)
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}
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// Debugf provides debug level logging
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func Debugf(format string, v ...interface{}) {
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WithLevelf(debug, format, v...)
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}
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// Info provides info level logging
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func Info(v ...interface{}) {
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WithLevel(info, v...)
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}
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// Infof provides info level logging
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func Infof(format string, v ...interface{}) {
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WithLevelf(info, format, v...)
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}
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2019-05-31 00:35:04 +01:00
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// Fatal logs with Log and then exits with os.Exit(1)
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func Fatal(v ...interface{}) {
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2019-07-02 19:21:43 +01:00
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WithLevel(fatal, v...)
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2019-05-31 00:35:04 +01:00
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os.Exit(1)
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}
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// Fatalf logs with Logf and then exits with os.Exit(1)
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func Fatalf(format string, v ...interface{}) {
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2019-07-02 19:21:43 +01:00
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WithLevelf(fatal, format, v...)
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2019-05-31 00:35:04 +01:00
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os.Exit(1)
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}
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// SetLogger sets the local logger
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func SetLogger(l log.Logger) {
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logger = l
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}
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2019-07-02 19:21:43 +01:00
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// GetLogger returns the local logger
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func GetLogger() log.Logger {
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return logger
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}
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// SetLevel sets the log level
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func SetLevel(l Level) {
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level = l
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}
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// GetLevel returns the current level
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func GetLevel() Level {
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return level
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}
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