-
Notifications
You must be signed in to change notification settings - Fork 2
/
logs.go
93 lines (80 loc) · 2.28 KB
/
logs.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
package logs
import (
"io"
"os"
"path/filepath"
"sync"
"time"
log "github.com/cihub/seelog"
glob "github.com/obeattie/ohmyglob"
)
const (
accessLogEnv = "H20_ACCESS_LOG_DIR"
traceLoggingTimeout = time.Second * 60
traceLoggingLevel = `<seelog minlevel="trace">
<outputs formatid="main">
<console/>
</outputs>
<formats>
<format id="main" format="%Date %Time [%LEV] %Msg (%File %Line)%n"/>
</formats>
</seelog>`
)
var (
configDir string
configFile string
mu sync.Mutex
)
func init() {
// get boxen AMQP config from environment
if configDir = os.Getenv("BOXEN_CONFIG_DIR"); configDir == "" {
configDir = "/opt/hailo/etc"
}
configFile = filepath.Join(configDir, "seelog.xml")
loadLogConfig(configFile)
}
func LoadServiceConfig(name string) {
servicesConfigFile := configDir + "/" + name + "-seelog.xml"
if _, err := os.Stat(servicesConfigFile); err == nil {
loadLogConfig(servicesConfigFile)
}
}
func CreateAccessLogger(name string) io.WriteCloser {
// Try and open the access log file
if accessLogDir := os.Getenv(accessLogEnv); accessLogDir != "" {
accessLogFilename := filepath.Join(accessLogDir, name+"-access.log")
commonLogger, err := os.OpenFile(accessLogFilename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
log.Errorf("[Logs] Error opening access log file: %v", err)
return nil
}
return commonLogger
} else {
log.Tracef("[Logs] No access log env (%v) set", accessLogEnv)
return nil
}
}
func EnableTrace() {
mu.Lock()
defer mu.Unlock()
newLogger, err := log.LoggerFromConfigAsString(traceLoggingLevel)
if err != nil {
log.Warnf("[Service] Unable to construct trace logger: %s", err.Error())
return
}
log.ReplaceLogger(newLogger)
log.Tracef("[Service] Enabled trace logging for %s", traceLoggingTimeout.String())
time.Sleep(traceLoggingTimeout)
log.Tracef("[Service] Reverting to previous logger")
loadLogConfig(configFile)
}
func loadLogConfig(configFile string) {
// check for custom logging
if logger, err := log.LoggerFromConfigAsFile(configFile); err != nil {
log.Errorf("[Server] Error loading custom logging config from %s: %v", configFile, err)
} else {
log.ReplaceLogger(logger)
glob.Logger = logger
log.Infof("[Server] Custom logging enabled from %s", configFile)
}
}