/
logger.go
68 lines (56 loc) · 1.37 KB
/
logger.go
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package kubernetes
import (
"fmt"
"sync"
log "github.com/sirupsen/logrus"
)
type logger struct {
logger *log.Entry
mu sync.Mutex
history map[string]struct{}
}
// newLogger creates a logger that logs each unique message once
// for the resource identified by kind, namespace and name.
// It logs nothing when disabled.
func newLogger(kind, namespace, name string, enabled bool) *logger {
if !enabled {
return nil
}
return &logger{logger: log.WithFields(log.Fields{"kind": kind, "ns": namespace, "name": name})}
}
func (l *logger) Tracef(format string, args ...any) {
if l != nil {
l.once(log.TraceLevel, format, args...)
}
}
func (l *logger) Debugf(format string, args ...any) {
if l != nil {
l.once(log.DebugLevel, format, args...)
}
}
func (l *logger) Infof(format string, args ...any) {
if l != nil {
l.once(log.InfoLevel, format, args...)
}
}
func (l *logger) Errorf(format string, args ...any) {
if l != nil {
l.once(log.ErrorLevel, format, args...)
}
}
func (l *logger) once(level log.Level, format string, args ...any) {
if !l.logger.Logger.IsLevelEnabled(level) {
return
}
l.mu.Lock()
defer l.mu.Unlock()
if l.history == nil {
l.history = make(map[string]struct{})
}
msg := fmt.Sprintf(format, args...)
key := fmt.Sprintf("%s %s", level, msg)
if _, ok := l.history[key]; !ok {
l.logger.Log(level, msg)
l.history[key] = struct{}{}
}
}