mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-25 13:35:00 +00:00
107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
package logrusutil
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import (
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"bytes"
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"fmt"
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"strings"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/tsaikd/KDGoLib/errutil"
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"github.com/tsaikd/KDGoLib/runtimecaller"
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)
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// flags
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const (
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Llongfile = 1 << iota
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Lshortfile
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Ltime
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Llevel
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LstdFlags = Ltime | Lshortfile | Llevel
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)
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// ConsoleLogFormatter suitable formatter for console
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type ConsoleLogFormatter struct {
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TimestampFormat string
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Flag int
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CallerOffset int
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RuntimeCallerFilters []runtimecaller.Filter
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}
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func addspace(text string, addspaceflag bool) (string, bool) {
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if addspaceflag {
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return " " + text, true
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}
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return text, true
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}
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func filterLogrusRuntimeCaller(callinfo runtimecaller.CallInfo) (valid bool, stop bool) {
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return !strings.Contains(callinfo.PackageName(), "github.com/sirupsen/logrus"), false
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}
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// Format output logrus entry
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func (t *ConsoleLogFormatter) Format(entry *logrus.Entry) (data []byte, err error) {
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buffer := bytes.Buffer{}
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addspaceflag := false
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if t.Flag == 0 {
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t.Flag = LstdFlags
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}
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if t.TimestampFormat == "" {
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t.TimestampFormat = time.RFC3339
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}
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if t.Flag&Ltime != 0 {
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timetext := entry.Time.Format(t.TimestampFormat)
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timetext, addspaceflag = addspace(timetext, addspaceflag)
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if _, err = buffer.WriteString(timetext); err != nil {
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err = errutil.New("write timestamp to buffer failed", err)
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return
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}
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}
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if t.Flag&(Lshortfile|Llongfile) != 0 {
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var filelinetext string
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filters := append([]runtimecaller.Filter{filterLogrusRuntimeCaller}, t.RuntimeCallerFilters...)
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if callinfo, ok := errutil.RuntimeCaller(1+t.CallerOffset, filters...); ok {
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if t.Flag&Lshortfile != 0 {
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filelinetext = fmt.Sprintf("%s:%d", callinfo.FileName(), callinfo.Line())
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} else {
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filelinetext = fmt.Sprintf("%s/%s:%d", callinfo.PackageName(), callinfo.FileName(), callinfo.Line())
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}
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filelinetext, addspaceflag = addspace(filelinetext, addspaceflag)
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}
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if _, err = buffer.WriteString(filelinetext); err != nil {
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err = errutil.New("write fileline to buffer failed", err)
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return
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}
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}
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if t.Flag&Llevel != 0 {
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leveltext := fmt.Sprintf("[%s]", entry.Level.String())
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leveltext, addspaceflag = addspace(leveltext, addspaceflag)
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if _, err = buffer.WriteString(leveltext); err != nil {
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err = errutil.New("write level to buffer failed", err)
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return
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}
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}
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message := entry.Message
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message, _ = addspace(message, addspaceflag)
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if _, err = buffer.WriteString(message); err != nil {
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err = errutil.New("write message to buffer failed", err)
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return
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}
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if err = buffer.WriteByte('\n'); err != nil {
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err = errutil.New("write newline to buffer failed", err)
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return
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}
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data = buffer.Bytes()
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return
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}
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