/
recorded.go
92 lines (75 loc) · 2.11 KB
/
recorded.go
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package logging
import (
"fmt"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/tools/record"
)
const (
// EventTypeDontRecord will tell the logger not to emit a Kubernetes event for this log
// line
EventTypeDontRecord = "DontRecord"
)
// WithNoRecord adds a log key that suppresses the recorder
func WithNoRecord(logger logr.Logger) logr.Logger {
return logger.WithValues("eventType", EventTypeDontRecord)
}
var _ logr.Logger = &EventRecordingLogger{}
func WithEventRecorder(logger logr.Logger, recorder record.EventRecorder, object runtime.Object) logr.Logger {
return &EventRecordingLogger{
Logger: logger,
recorder: recorder,
object: object,
values: []interface{}{},
}
}
type EventRecordingLogger struct {
logr.Logger
recorder record.EventRecorder
object runtime.Object
values []interface{}
}
func (erl *EventRecordingLogger) WithValues(values ...interface{}) logr.Logger {
return &EventRecordingLogger{
Logger: erl.Logger.WithValues(values...),
recorder: erl.recorder,
object: erl.object,
values: append(erl.values, values...),
}
}
func (erl *EventRecordingLogger) WithName(name string) logr.Logger {
return &EventRecordingLogger{
Logger: erl.Logger.WithName(name),
recorder: erl.recorder,
object: erl.object,
values: erl.values,
}
}
func (erl *EventRecordingLogger) Info(msg string, keyvals ...interface{}) {
erl.Logger.Info(msg, keyvals...)
// Pop key values from our slice into a map so we can better access each element
kvs := map[string]string{}
for len(keyvals) > 0 {
if k, ok := keyvals[0].(string); ok {
kvs[k] = fmt.Sprintf("%v", keyvals[1])
}
keyvals = keyvals[2:]
}
var event, eventType, message string
var ok bool
if event, ok = kvs["event"]; !ok {
return // no event
}
if kvs["eventType"] == EventTypeDontRecord {
return // don't record this event
}
if err, hasError := kvs["error"]; hasError {
eventType = corev1.EventTypeWarning
message = err
} else {
eventType = corev1.EventTypeNormal
message = msg
}
erl.recorder.Event(erl.object, eventType, event, message)
}