homelab/traefik
1
0
Fork 0
Code Activity

Ultimate Access log filter

Browse source
This commit is contained in:
Michael 2018-03-14 14:12:04 +01:00 • committed by Traefiker Bot
parent f99363674b
commit 8d468925d3
24 changed files with 1722 additions and 683 deletions
Download patch file Download diff file Expand all files Collapse all files

79
middlewares/accesslog/logger_formatters.go
View file

@ -14,56 +14,69 @@ const (
defaultValue = "-"
)
// CommonLogFormatter provides formatting in the Traefik common log format
// CommonLogFormatter provides formatting in the Træfik common log format
type CommonLogFormatter struct{}
//Format formats the log entry in the Traefik common log format
// Format formats the log entry in the Træfik common log format
func (f *CommonLogFormatter) Format(entry *logrus.Entry) ([]byte, error) {
b := &bytes.Buffer{}
timestamp := entry.Data[StartUTC].(time.Time).Format(commonLogTimeFormat)
elapsedMillis := entry.Data[Duration].(time.Duration).Nanoseconds() / 1000000
var timestamp = defaultValue
if v, ok := entry.Data[StartUTC]; ok {
timestamp = v.(time.Time).Format(commonLogTimeFormat)
}
var elapsedMillis int64
if v, ok := entry.Data[Duration]; ok {
elapsedMillis = v.(time.Duration).Nanoseconds() / 1000000
}
_, err := fmt.Fprintf(b, "%s - %s [%s] \"%s %s %s\" %v %v %s %s %v %s %s %dms\n",
entry.Data[ClientHost],
entry.Data[ClientUsername],
toLog(entry.Data, ClientHost, defaultValue, false),
toLog(entry.Data, ClientUsername, defaultValue, false),
timestamp,
entry.Data[RequestMethod],
entry.Data[RequestPath],
entry.Data[RequestProtocol],
toLog(entry.Data[OriginStatus], defaultValue),
toLog(entry.Data[OriginContentSize], defaultValue),
toLog(entry.Data["request_Referer"], `"-"`),
toLog(entry.Data["request_User-Agent"], `"-"`),
toLog(entry.Data[RequestCount], defaultValue),
toLog(entry.Data[FrontendName], defaultValue),
toLog(entry.Data[BackendURL], defaultValue),
toLog(entry.Data, RequestMethod, defaultValue, false),
toLog(entry.Data, RequestPath, defaultValue, false),
toLog(entry.Data, RequestProtocol, defaultValue, false),
toLog(entry.Data, OriginStatus, defaultValue, true),
toLog(entry.Data, OriginContentSize, defaultValue, true),
toLog(entry.Data, "request_Referer", `"-"`, true),
toLog(entry.Data, "request_User-Agent", `"-"`, true),
toLog(entry.Data, RequestCount, defaultValue, true),
toLog(entry.Data, FrontendName, defaultValue, true),
toLog(entry.Data, BackendURL, defaultValue, true),
elapsedMillis)
return b.Bytes(), err
}
func toLog(v interface{}, defaultValue string) interface{} {
if v == nil {
return defaultValue
}
switch s := v.(type) {
case string:
return quoted(s, defaultValue)
case fmt.Stringer:
return quoted(s.String(), defaultValue)
default:
return v
func toLog(fields logrus.Fields, key string, defaultValue string, quoted bool) interface{} {
if v, ok := fields[key]; ok {
if v == nil {
return defaultValue
}
switch s := v.(type) {
case string:
return toLogEntry(s, defaultValue, quoted)
case fmt.Stringer:
return toLogEntry(s.String(), defaultValue, quoted)
default:
return v
}
}
return defaultValue
}
func quoted(s string, defaultValue string) string {
func toLogEntry(s string, defaultValue string, quote bool) string {
if len(s) == 0 {
return defaultValue
}
return `"` + s + `"`
if quote {
return `"` + s + `"`
}
return s
}