|
15 | 15 | package log |
16 | 16 |
|
17 | 17 | import ( |
18 | | - stdlog "log" |
19 | 18 | "os" |
20 | | -) |
21 | | - |
22 | | -// Logger is a generic logging interface |
23 | | -type Logger interface { |
24 | | - Log(v ...interface{}) |
25 | | - Logf(format string, v ...interface{}) |
26 | | -} |
27 | | - |
28 | | -// Level is a log level |
29 | | -type Level int |
| 19 | + "time" |
30 | 20 |
|
31 | | -const ( |
32 | | - // LevelFatal fatal level |
33 | | - LevelFatal Level = iota + 1 |
34 | | - // LevelError error level |
35 | | - LevelError |
36 | | - // LevelInfo info level |
37 | | - LevelInfo |
38 | | - // LevelDebug debug level |
39 | | - LevelDebug |
| 21 | + "github.com/rs/zerolog" |
40 | 22 | ) |
41 | 23 |
|
42 | | -func (l Level) String() string { |
43 | | - switch l { |
44 | | - default: |
45 | | - return "" |
46 | | - case LevelDebug: |
47 | | - return "DBG" |
48 | | - case LevelError: |
49 | | - return "ERR" |
50 | | - case LevelInfo: |
51 | | - return "INF" |
52 | | - case LevelFatal: |
53 | | - return "FTL" |
54 | | - } |
55 | | -} |
56 | | - |
57 | | -var ( |
58 | | - // the local logger |
59 | | - logger Logger = &defaultLogLogger{} |
| 24 | +var _ zerolog.Logger |
60 | 25 |
|
61 | | - // default log level is info |
62 | | - level = LevelInfo |
| 26 | +type Level int8 |
63 | 27 |
|
64 | | - prefix = "Slog" |
| 28 | +const ( |
| 29 | + // DebugLevel defines debug log level. |
| 30 | + DebugLevel Level = iota |
| 31 | + // InfoLevel defines info log level. |
| 32 | + InfoLevel |
| 33 | + // WarnLevel defines warn log level. |
| 34 | + WarnLevel |
| 35 | + // ErrorLevel defines error log level. |
| 36 | + ErrorLevel |
| 37 | + // FatalLevel defines fatal log level. |
| 38 | + FatalLevel |
| 39 | + // PanicLevel defines panic log level. |
| 40 | + PanicLevel |
| 41 | + // NoLevel defines an absent log level. |
| 42 | + NoLevel |
| 43 | + // Disabled disables the logger. |
| 44 | + Disabled |
| 45 | + |
| 46 | + // TraceLevel defines trace log level. |
| 47 | + TraceLevel Level = -1 |
| 48 | + // Values less than TraceLevel are handled as numbers. |
65 | 49 | ) |
66 | 50 |
|
67 | | -type defaultLogLogger struct{} |
68 | | - |
69 | | -func (t *defaultLogLogger) Log(v ...interface{}) { |
70 | | - stdlog.Print(v...) |
71 | | -} |
72 | | - |
73 | | -func (t *defaultLogLogger) Logf(format string, v ...interface{}) { |
74 | | - stdlog.Printf(format, v...) |
| 51 | +func NewLogger() zerolog.Logger { |
| 52 | + output := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339} |
| 53 | + return zerolog.New(output).With().Timestamp().Logger() |
75 | 54 | } |
76 | 55 |
|
77 | | -func init() { |
78 | | - level = LevelType(os.Getenv("SLOG_LOG_LEVEL")) |
79 | | -} |
80 | | - |
81 | | -func LevelType(level string) Level { |
82 | | - switch level { |
| 56 | +func SetLogLevel(l Level) { |
| 57 | + switch l { |
83 | 58 | default: |
84 | | - return LevelInfo |
85 | | - case "debug": |
86 | | - return LevelDebug |
87 | | - case "info": |
88 | | - return LevelInfo |
89 | | - case "error": |
90 | | - return LevelError |
91 | | - case "fatal": |
92 | | - return LevelFatal |
93 | | - } |
94 | | -} |
95 | | - |
96 | | -// Log makes use of Logger |
97 | | -func Log(v ...interface{}) { |
98 | | - if len(prefix) > 0 { |
99 | | - logger.Log(append([]interface{}{prefix, " "}, v...)...) |
100 | | - return |
101 | | - } |
102 | | - logger.Log(v...) |
103 | | -} |
104 | | - |
105 | | -// Logf makes use of Logger |
106 | | -func Logf(format string, v ...interface{}) { |
107 | | - if len(prefix) > 0 { |
108 | | - format = prefix + " " + format |
109 | | - } |
110 | | - logger.Logf(format, v...) |
111 | | -} |
112 | | - |
113 | | -// WithLevel logs with the level specified |
114 | | -func WithLevel(l Level, v ...interface{}) { |
115 | | - if l > level { |
116 | | - return |
117 | | - } |
118 | | - Log(v...) |
119 | | -} |
120 | | - |
121 | | -// WithLevelf logs with the level specified |
122 | | -func WithLevelf(l Level, format string, v ...interface{}) { |
123 | | - if l > level { |
124 | | - return |
| 59 | + zerolog.SetGlobalLevel(zerolog.InfoLevel) |
| 60 | + case DebugLevel: |
| 61 | + zerolog.SetGlobalLevel(zerolog.DebugLevel) |
| 62 | + case InfoLevel: |
| 63 | + zerolog.SetGlobalLevel(zerolog.InfoLevel) |
| 64 | + case WarnLevel: |
| 65 | + zerolog.SetGlobalLevel(zerolog.WarnLevel) |
| 66 | + case ErrorLevel: |
| 67 | + zerolog.SetGlobalLevel(zerolog.ErrorLevel) |
| 68 | + case FatalLevel: |
| 69 | + zerolog.SetGlobalLevel(zerolog.FatalLevel) |
| 70 | + case PanicLevel: |
| 71 | + zerolog.SetGlobalLevel(zerolog.PanicLevel) |
| 72 | + case NoLevel: |
| 73 | + zerolog.SetGlobalLevel(zerolog.NoLevel) |
| 74 | + case Disabled: |
| 75 | + zerolog.SetGlobalLevel(zerolog.Disabled) |
| 76 | + case TraceLevel: |
| 77 | + zerolog.SetGlobalLevel(zerolog.TraceLevel) |
125 | 78 | } |
126 | | - Logf(format, v...) |
127 | | -} |
128 | | - |
129 | | -// Debug provides debug level logging |
130 | | -func Debug(v ...interface{}) { |
131 | | - WithLevel(LevelDebug, v...) |
132 | | -} |
133 | | - |
134 | | -// Debugf provides debug level logging |
135 | | -func Debugf(format string, v ...interface{}) { |
136 | | - WithLevelf(LevelDebug, format, v...) |
137 | | -} |
138 | | - |
139 | | -// Info provides info level logging |
140 | | -func Info(v ...interface{}) { |
141 | | - WithLevel(LevelInfo, v...) |
142 | | -} |
143 | | - |
144 | | -// Infof provides info level logging |
145 | | -func Infof(format string, v ...interface{}) { |
146 | | - WithLevelf(LevelInfo, format, v...) |
147 | | -} |
148 | | - |
149 | | -// Error provides warn level logging |
150 | | -func Error(v ...interface{}) { |
151 | | - WithLevel(LevelError, v...) |
152 | | -} |
153 | | - |
154 | | -// Errorf provides warn level logging |
155 | | -func Errorf(format string, v ...interface{}) { |
156 | | - WithLevelf(LevelError, format, v...) |
157 | | -} |
158 | | - |
159 | | -// Fatal logs with Log and then exits with os.Exit(1) |
160 | | -func Fatal(v ...interface{}) { |
161 | | - WithLevel(LevelFatal, v...) |
162 | | - os.Exit(1) |
163 | | -} |
164 | | - |
165 | | -// Fatalf logs with Logf and then exits with os.Exit(1) |
166 | | -func Fatalf(format string, v ...interface{}) { |
167 | | - WithLevelf(LevelFatal, format, v...) |
168 | | - os.Exit(1) |
169 | | -} |
170 | | - |
171 | | -// SetLogger sets the local logger |
172 | | -func SetLogger(l Logger) { |
173 | | - logger = l |
174 | | -} |
175 | | - |
176 | | -// GetLogger returns the local logger |
177 | | -func GetLogger() Logger { |
178 | | - return logger |
179 | | -} |
180 | | - |
181 | | -// SetLevel sets the log level |
182 | | -func SetLevel(l Level) { |
183 | | - level = l |
184 | | -} |
185 | | - |
186 | | -// GetLevel returns the current level |
187 | | -func GetLevel() Level { |
188 | | - return level |
189 | | -} |
190 | 79 |
|
191 | | -// SetPrefix sets a prefix for the logger |
192 | | -func SetPrefix(p string) { |
193 | | - prefix = p |
194 | 80 | } |
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