khenaidoo | ac63710 | 2019-01-14 15:44:34 -0500 | [diff] [blame^] | 1 | // Copyright 2017 CoreSwitch |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package log |
| 16 | |
| 17 | import ( |
| 18 | "fmt" |
| 19 | "os" |
| 20 | "runtime" |
| 21 | "strings" |
| 22 | |
| 23 | "github.com/sirupsen/logrus" |
| 24 | ) |
| 25 | |
| 26 | // Output source file information "filename:line number" to the log. |
| 27 | var SourceField bool = true |
| 28 | |
| 29 | // Output function name to the log. |
| 30 | var FuncField bool = true |
| 31 | |
| 32 | // |
| 33 | func SetLevel(level string) error { |
| 34 | l, err := logrus.ParseLevel(level) |
| 35 | if err != nil { |
| 36 | return err |
| 37 | } |
| 38 | origLogger.SetLevel(l) |
| 39 | return nil |
| 40 | } |
| 41 | |
| 42 | // |
| 43 | func SetOutput(output string) error { |
| 44 | switch output { |
| 45 | case "stdout": |
| 46 | origLogger.Out = os.Stdout |
| 47 | case "stderr": |
| 48 | origLogger.Out = os.Stderr |
| 49 | default: |
| 50 | return fmt.Errorf("output format error") |
| 51 | } |
| 52 | return nil |
| 53 | } |
| 54 | |
| 55 | // |
| 56 | func SetJSONFormatter() { |
| 57 | origLogger.Formatter = &logrus.JSONFormatter{} |
| 58 | } |
| 59 | |
| 60 | // |
| 61 | func SetTextFormatter() { |
| 62 | origLogger.Formatter = &logrus.TextFormatter{ |
| 63 | DisableTimestamp: true, |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | type Logger interface { |
| 68 | Debug(...interface{}) |
| 69 | Debugf(string, ...interface{}) |
| 70 | Info(...interface{}) |
| 71 | Infof(string, ...interface{}) |
| 72 | Warn(...interface{}) |
| 73 | Warnf(string, ...interface{}) |
| 74 | Error(...interface{}) |
| 75 | Errorf(string, ...interface{}) |
| 76 | With(key string, value interface{}) Logger |
| 77 | } |
| 78 | |
| 79 | type logger struct { |
| 80 | entry *logrus.Entry |
| 81 | } |
| 82 | |
| 83 | var origLogger = logrus.New() |
| 84 | var baseLogger = logger{entry: logrus.NewEntry(origLogger)} |
| 85 | |
| 86 | func (l logger) sourced() *logrus.Entry { |
| 87 | e := l.entry |
| 88 | |
| 89 | if !SourceField && !FuncField { |
| 90 | return e |
| 91 | } |
| 92 | |
| 93 | pc, file, line, ok := runtime.Caller(2) |
| 94 | if !ok { |
| 95 | return e |
| 96 | } |
| 97 | |
| 98 | if SourceField { |
| 99 | slash := strings.LastIndex(file, "/") |
| 100 | file = file[slash+1:] |
| 101 | e = e.WithField("source", fmt.Sprintf("%s:%d", file, line)) |
| 102 | } |
| 103 | |
| 104 | if FuncField { |
| 105 | if f := runtime.FuncForPC(pc); f != nil { |
| 106 | e = e.WithField("func", f.Name()) |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | return e |
| 111 | } |
| 112 | |
| 113 | func (l logger) Debug(args ...interface{}) { |
| 114 | l.sourced().Debug(args...) |
| 115 | } |
| 116 | |
| 117 | func (l logger) Debugf(format string, args ...interface{}) { |
| 118 | l.sourced().Debugf(format, args...) |
| 119 | } |
| 120 | |
| 121 | func (l logger) Info(args ...interface{}) { |
| 122 | l.sourced().Info(args...) |
| 123 | } |
| 124 | |
| 125 | func (l logger) Infof(format string, args ...interface{}) { |
| 126 | l.sourced().Infof(format, args...) |
| 127 | } |
| 128 | |
| 129 | func (l logger) Warn(args ...interface{}) { |
| 130 | l.sourced().Warn(args...) |
| 131 | } |
| 132 | |
| 133 | func (l logger) Warnf(format string, args ...interface{}) { |
| 134 | l.sourced().Warnf(format, args...) |
| 135 | } |
| 136 | |
| 137 | func (l logger) Error(args ...interface{}) { |
| 138 | l.sourced().Error(args...) |
| 139 | } |
| 140 | |
| 141 | func (l logger) Errorf(format string, args ...interface{}) { |
| 142 | l.sourced().Errorf(format, args...) |
| 143 | } |
| 144 | |
| 145 | func (l logger) With(key string, value interface{}) Logger { |
| 146 | return logger{l.entry.WithField(key, value)} |
| 147 | } |
| 148 | |
| 149 | func With(key string, value interface{}) Logger { |
| 150 | return baseLogger.With(key, value) |
| 151 | } |
| 152 | |
| 153 | func Debug(args ...interface{}) { |
| 154 | baseLogger.sourced().Debug(args...) |
| 155 | } |
| 156 | |
| 157 | func Debugf(format string, args ...interface{}) { |
| 158 | baseLogger.sourced().Debugf(format, args...) |
| 159 | } |
| 160 | |
| 161 | func Info(args ...interface{}) { |
| 162 | baseLogger.sourced().Info(args...) |
| 163 | } |
| 164 | |
| 165 | func Infof(format string, args ...interface{}) { |
| 166 | baseLogger.sourced().Infof(format, args...) |
| 167 | } |
| 168 | |
| 169 | func Warn(args ...interface{}) { |
| 170 | baseLogger.sourced().Warn(args...) |
| 171 | } |
| 172 | |
| 173 | func Warnf(format string, args ...interface{}) { |
| 174 | baseLogger.sourced().Warnf(format, args...) |
| 175 | } |
| 176 | |
| 177 | func Error(args ...interface{}) { |
| 178 | baseLogger.sourced().Error(args...) |
| 179 | } |
| 180 | |
| 181 | func Errorf(format string, args ...interface{}) { |
| 182 | baseLogger.sourced().Errorf(format, args...) |
| 183 | } |