forked from minio/minio
-
Notifications
You must be signed in to change notification settings - Fork 0
/
console.go
136 lines (115 loc) · 3.33 KB
/
console.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
/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package console
import (
"encoding/json"
"fmt"
"strings"
"time"
"github.com/minio/minio/cmd/logger"
"github.com/minio/minio/cmd/logger/message/log"
"github.com/minio/minio/pkg/color"
"github.com/minio/minio/pkg/console"
)
// Target implements loggerTarget to send log
// in plain or json format to the standard output.
type Target struct{}
// Validate - validate if the tty can be written to
func (c *Target) Validate() error {
return nil
}
// Endpoint returns the backend endpoint
func (c *Target) Endpoint() string {
return ""
}
func (c *Target) String() string {
return "console"
}
// Send log message 'e' to console
func (c *Target) Send(e interface{}, logKind string) error {
entry, ok := e.(log.Entry)
if !ok {
return fmt.Errorf("Uexpected log entry structure %#v", e)
}
if logger.IsJSON() {
logJSON, err := json.Marshal(&entry)
if err != nil {
return err
}
fmt.Println(string(logJSON))
return nil
}
traceLength := len(entry.Trace.Source)
trace := make([]string, traceLength)
// Add a sequence number and formatting for each stack trace
// No formatting is required for the first entry
for i, element := range entry.Trace.Source {
trace[i] = fmt.Sprintf("%8v: %s", traceLength-i, element)
}
tagString := ""
for key, value := range entry.Trace.Variables {
if value != "" {
if tagString != "" {
tagString += ", "
}
tagString += key + "=" + value
}
}
apiString := "API: " + entry.API.Name + "("
if entry.API.Args != nil && entry.API.Args.Bucket != "" {
apiString = apiString + "bucket=" + entry.API.Args.Bucket
}
if entry.API.Args != nil && entry.API.Args.Object != "" {
apiString = apiString + ", object=" + entry.API.Args.Object
}
apiString += ")"
timeString := "Time: " + time.Now().Format(logger.TimeFormat)
var deploymentID string
if entry.DeploymentID != "" {
deploymentID = "\nDeploymentID: " + entry.DeploymentID
}
var requestID string
if entry.RequestID != "" {
requestID = "\nRequestID: " + entry.RequestID
}
var remoteHost string
if entry.RemoteHost != "" {
remoteHost = "\nRemoteHost: " + entry.RemoteHost
}
var host string
if entry.Host != "" {
host = "\nHost: " + entry.Host
}
var userAgent string
if entry.UserAgent != "" {
userAgent = "\nUserAgent: " + entry.UserAgent
}
if len(entry.Trace.Variables) > 0 {
tagString = "\n " + tagString
}
var msg = color.FgRed(color.Bold(entry.Trace.Message))
var output = fmt.Sprintf("\n%s\n%s%s%s%s%s%s\nError: %s%s\n%s",
apiString, timeString, deploymentID, requestID, remoteHost, host, userAgent,
msg, tagString, strings.Join(trace, "\n"))
console.Println(output)
return nil
}
// New initializes a new logger target
// which prints log directly in the standard
// output.
func New() *Target {
return &Target{}
}