1 files changed, 73 insertions, 0 deletions
diff --git a/cmd/podman-wslkerninst/event-hook.go b/cmd/podman-wslkerninst/event-hook.go
new file mode 100644
index 000000000..a5c23e4cf
--- /dev/null
+++ b/cmd/podman-wslkerninst/event-hook.go
@@ -0,0 +1,73 @@
+//go:build windows
+// +build windows
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"golang.org/x/sys/windows/svc/eventlog"
+)
+
+// Logrus hook that delegates to windows event log
+type EventLogHook struct {
+	events *eventlog.Log
+}
+
+type LogFormat struct {
+	name string
+}
+
+func (f *LogFormat) Format(entry *logrus.Entry) ([]byte, error) {
+	var b *bytes.Buffer
+
+	if entry.Buffer != nil {
+		b = entry.Buffer
+	} else {
+		b = &bytes.Buffer{}
+	}
+
+	fmt.Fprintf(b, "[%-5s] %s: %s", entry.Level.String(), f.name, entry.Message)
+
+	for key, value := range entry.Data {
+		fmt.Fprintf(b, " {%s = %s}", key, value)
+	}
+
+	b.WriteByte('\n')
+	return b.Bytes(), nil
+}
+
+func NewEventHook(events *eventlog.Log, name string) *EventLogHook {
+	logrus.SetFormatter(&LogFormat{name})
+	return &EventLogHook{events}
+}
+
+func (hook *EventLogHook) Fire(entry *logrus.Entry) error {
+	line, err := entry.String()
+	if err != nil {
+		return err
+	}
+
+	switch entry.Level {
+	case logrus.PanicLevel:
+		return hook.events.Error(1002, line)
+	case logrus.FatalLevel:
+		return hook.events.Error(1001, line)
+	case logrus.ErrorLevel:
+		return hook.events.Error(1000, line)
+	case logrus.WarnLevel:
+		return hook.events.Warning(1000, line)
+	case logrus.InfoLevel:
+		return hook.events.Info(1000, line)
+	case logrus.DebugLevel, logrus.TraceLevel:
+		return hook.events.Info(1001, line)
+	default:
+		return nil
+	}
+}
+
+func (hook *EventLogHook) Levels() []logrus.Level {
+	return logrus.AllLevels
+}