mirror of
https://github.com/woodpecker-ci/woodpecker.git
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125 lines
2.5 KiB
Go
125 lines
2.5 KiB
Go
package logrus
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import (
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"bytes"
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"fmt"
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"regexp"
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"sort"
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"strings"
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"time"
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)
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const (
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nocolor = 0
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red = 31
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green = 32
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yellow = 33
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blue = 34
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)
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var (
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baseTimestamp time.Time
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isTerminal bool
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noQuoteNeeded *regexp.Regexp
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)
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func init() {
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baseTimestamp = time.Now()
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isTerminal = IsTerminal()
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}
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func miniTS() int {
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return int(time.Since(baseTimestamp) / time.Second)
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}
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type TextFormatter struct {
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// Set to true to bypass checking for a TTY before outputting colors.
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ForceColors bool
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DisableColors bool
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// Set to true to disable timestamp logging (useful when the output
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// is redirected to a logging system already adding a timestamp)
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DisableTimestamp bool
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}
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func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
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var keys []string = make([]string, 0, len(entry.Data))
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for k := range entry.Data {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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b := &bytes.Buffer{}
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prefixFieldClashes(entry.Data)
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isColored := (f.ForceColors || isTerminal) && !f.DisableColors
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if isColored {
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printColored(b, entry, keys)
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} else {
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if !f.DisableTimestamp {
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f.appendKeyValue(b, "time", entry.Time.Format(time.RFC3339))
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}
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f.appendKeyValue(b, "level", entry.Level.String())
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f.appendKeyValue(b, "msg", entry.Message)
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for _, key := range keys {
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f.appendKeyValue(b, key, entry.Data[key])
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}
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}
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b.WriteByte('\n')
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return b.Bytes(), nil
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}
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func printColored(b *bytes.Buffer, entry *Entry, keys []string) {
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var levelColor int
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switch entry.Level {
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case WarnLevel:
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levelColor = yellow
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case ErrorLevel, FatalLevel, PanicLevel:
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levelColor = red
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default:
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levelColor = blue
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}
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levelText := strings.ToUpper(entry.Level.String())[0:4]
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fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message)
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for _, k := range keys {
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v := entry.Data[k]
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fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%v", levelColor, k, v)
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}
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}
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func needsQuoting(text string) bool {
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for _, ch := range text {
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if !((ch >= 'a' && ch <= 'z') ||
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(ch >= 'A' && ch <= 'Z') ||
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(ch >= '0' && ch < '9') ||
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ch == '-' || ch == '.') {
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return false
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}
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}
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return true
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}
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func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key, value interface{}) {
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switch value.(type) {
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case string:
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if needsQuoting(value.(string)) {
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fmt.Fprintf(b, "%v=%s ", key, value)
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} else {
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fmt.Fprintf(b, "%v=%q ", key, value)
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}
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case error:
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if needsQuoting(value.(error).Error()) {
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fmt.Fprintf(b, "%v=%s ", key, value)
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} else {
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fmt.Fprintf(b, "%v=%q ", key, value)
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}
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default:
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fmt.Fprintf(b, "%v=%v ", key, value)
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}
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}
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