-
Notifications
You must be signed in to change notification settings - Fork 54
/
logger.go
193 lines (158 loc) · 3.94 KB
/
logger.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
package log
import (
"os"
"path/filepath"
"strings"
)
type Level int
type Format int
const (
EnvKeyLogCtx = "FLOGO_LOG_CTX"
EnvKeyLogDateFormat = "FLOGO_LOG_DTFORMAT"
DefaultLogDateFormat = "2006-01-02 15:04:05.000"
EnvKeyLogLevel = "FLOGO_LOG_LEVEL"
DefaultLogLevel = InfoLevel
EnvKeyLogFormat = "FLOGO_LOG_FORMAT"
DefaultLogFormat = FormatConsole
EnvKeyLogSeparator = "FLOGO_LOG_SEPARATOR"
DefaultLogSeparator = "\t"
TraceLevel Level = iota
DebugLevel
InfoLevel
WarnLevel
ErrorLevel
FormatConsole Format = iota
FormatJson
)
type Logger interface {
DebugEnabled() bool
TraceEnabled() bool
Trace(args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Warn(args ...interface{})
Error(args ...interface{})
Tracef(template string, args ...interface{})
Debugf(template string, args ...interface{})
Infof(template string, args ...interface{})
Warnf(template string, args ...interface{})
Errorf(template string, args ...interface{})
Structured() StructuredLogger
}
type StructuredLogger interface {
Debug(msg string, fields ...Field)
Info(msg string, fields ...Field)
Warn(msg string, fields ...Field)
Error(msg string, fields ...Field)
}
type Field = interface{}
var (
rootLogger Logger
ctxLogging bool
)
func init() {
configureLogging()
}
func CtxLoggingEnabled() bool {
return ctxLogging
}
func RootLogger() Logger {
return rootLogger
}
func SetLogLevel(logger Logger, level Level) {
setZapLogLevel(logger, level)
}
func ChildLogger(logger Logger, name string) Logger {
childLogger, err := newZapChildLogger(logger, name)
if err != nil {
rootLogger.Warnf("unable to create child logger named: %s - %s", name, err.Error())
childLogger = logger
}
return childLogger
}
func ChildLoggerWithFields(logger Logger, fields ...Field) Logger {
childLogger, err := newZapChildLoggerWithFields(logger, fields...)
if err != nil {
rootLogger.Warnf("unable to create child logger with fields: %s", err.Error())
childLogger = logger
}
return childLogger
}
func CreateLoggerFromRef(logger Logger, contributionType, ref string) Logger {
ref = strings.TrimSpace(ref)
if strings.HasSuffix(ref, "/") {
ref = ref[:len(ref)-1]
}
dirs := strings.Split(ref, "/")
if len(dirs) >= 3 {
name := dirs[len(dirs)-1]
acType := dirs[len(dirs)-2]
if acType == "activity" || acType == "trigger" || acType == "connector" {
categoryName := dirs[len(dirs)-3]
return ChildLogger(logger, strings.ToLower(categoryName+"."+acType+"."+name))
} else {
return ChildLogger(logger, strings.ToLower(acType+"."+contributionType+"."+name))
}
} else {
return ChildLogger(logger, strings.ToLower(contributionType+"."+filepath.Base(ref)))
}
}
func Sync() {
zapSync(rootLogger)
}
var traceEnabled = false
func configureLogging() {
envLogCtx := os.Getenv(EnvKeyLogCtx)
if strings.ToLower(envLogCtx) == "true" {
ctxLogging = true
}
rootLogLevel := DefaultLogLevel
envLogLevel := strings.ToUpper(os.Getenv(EnvKeyLogLevel))
switch envLogLevel {
case "TRACE":
rootLogLevel = DebugLevel
traceEnabled = true
case "DEBUG":
rootLogLevel = DebugLevel
case "INFO":
rootLogLevel = InfoLevel
case "WARN":
rootLogLevel = WarnLevel
case "ERROR":
rootLogLevel = ErrorLevel
default:
rootLogLevel = DefaultLogLevel
}
logFormat := DefaultLogFormat
envLogFormat := strings.ToUpper(os.Getenv(EnvKeyLogFormat))
if envLogFormat == "JSON" {
logFormat = FormatJson
}
rootLogger = newZapRootLogger("flogo", logFormat, rootLogLevel)
SetLogLevel(rootLogger, rootLogLevel)
}
func ToLogLevel(lvlStr string) Level {
lvl := DefaultLogLevel
switch lvlStr {
case "TRACE":
lvl = DebugLevel
case "DEBUG":
lvl = DebugLevel
case "INFO":
lvl = InfoLevel
case "WARN":
lvl = WarnLevel
case "ERROR":
lvl = ErrorLevel
default:
lvl = DefaultLogLevel
}
return lvl
}
func getLogSeparator() string {
v, ok := os.LookupEnv(EnvKeyLogSeparator)
if ok && len(v) > 0 {
return v
}
return DefaultLogSeparator
}