-
Notifications
You must be signed in to change notification settings - Fork 50
/
formatter.go
97 lines (76 loc) · 2.46 KB
/
formatter.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
package log
import (
"fmt"
"sort"
"strings"
"github.com/fatih/color"
"github.com/justtrackio/gosoline/pkg/encoding/json"
)
type Formatter func(timestamp string, level int, format string, args []interface{}, err error, data Data) ([]byte, error)
var formatters = map[string]Formatter{
"console": FormatterConsole,
"json": FormatterJson,
}
func FormatterConsole(timestamp string, level int, format string, args []interface{}, err error, data Data) ([]byte, error) {
fieldString := getFieldsAsString(data.Fields)
contextString := getFieldsAsString(data.ContextFields)
levelStr := fmt.Sprintf("%-7s", LevelName(level))
channel := fmt.Sprintf("%-7s", data.Channel)
msg := fmt.Sprintf(format, args...)
if err != nil {
msg = color.RedString(err.Error())
}
output := fmt.Sprintf("%s %s %s %-50s %s %s",
color.YellowString(timestamp),
color.GreenString(channel),
color.GreenString(levelStr),
msg,
color.GreenString(contextString),
color.BlueString(fieldString),
)
output = strings.TrimSpace(output)
serialized := []byte(output)
return append(serialized, '\n'), nil
}
type formatterJsonStruct struct {
Error string `json:"err,omitempty"`
Channel string `json:"channel"`
Level int `json:"level"`
LevelName string `json:"level_name"`
Timestamp string `json:"timestamp"`
Message string `json:"message"`
Fields map[string]interface{} `json:"fields"`
Context map[string]interface{} `json:"context"`
}
func FormatterJson(timestamp string, level int, format string, args []interface{}, err error, data Data) ([]byte, error) {
msg := fmt.Sprintf(format, args...)
jsn := &formatterJsonStruct{
Channel: data.Channel,
Level: level,
LevelName: LevelName(level),
Timestamp: timestamp,
Message: msg,
Fields: data.Fields,
Context: data.ContextFields,
}
if err != nil {
jsn.Error = err.Error()
}
serialized, err := json.Marshal(jsn)
if err != nil {
return nil, fmt.Errorf("failed to marshal fields to JSON, %w", err)
}
return append(serialized, '\n'), nil
}
func getFieldsAsString(fields map[string]interface{}) string {
keys := make([]string, 0, len(fields))
fieldParts := make([]string, 0, len(fields))
for k := range fields {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
fieldParts = append(fieldParts, fmt.Sprintf("%v: %v", k, fields[k]))
}
return strings.Join(fieldParts, ", ")
}