Add Sentry integration

pkg/logging/logging.go

@@ -3,6 +3,7 @@ package logging
 import (
 	"bufio"
 	"fmt"
+	"github.com/getsentry/sentry-go"
 	"github.com/sirupsen/logrus"
 	"net"
 	"net/http"
@@ -21,6 +22,8 @@ var log = &logrus.Logger{
 	Level: logrus.InfoLevel,
 }
 
+const GracefulSentryShutdown = 5 * time.Second
+
 func InitializeLogging(loglevel string) {
 	level, err := logrus.ParseLevel(loglevel)
 	if err != nil {
@@ -28,6 +31,11 @@ func InitializeLogging(loglevel string) {
 		return
 	}
 	log.SetLevel(level)
+	log.AddHook(&SentryHook{})
+	log.ExitFunc = func(i int) {
+		sentry.Flush(GracefulSentryShutdown)
+		os.Exit(i)
+	}
 }
 
 func GetLogger(pkg string) *logrus.Entry {

pkg/logging/sentry_hook.go

@@ -0,0 +1,38 @@
+package logging
+
+import (
+	"github.com/getsentry/sentry-go"
+	"github.com/sirupsen/logrus"
+)
+
+// SentryHook is a simple adapter that converts logrus entries into Sentry events.
+// Consider replacing this with a more feature rich, additional dependency: https://github.com/evalphobia/logrus_sentry
+type SentryHook struct{}
+
+// Fire is triggered on new log entries.
+func (hook *SentryHook) Fire(entry *logrus.Entry) error {
+	if data, ok := entry.Data["error"]; ok {
+		err, ok := data.(error)
+		if ok {
+			entry.Data["error"] = err.Error()
+		}
+	}
+
+	event := sentry.NewEvent()
+	event.Timestamp = entry.Time
+	event.Level = sentry.Level(entry.Level.String())
+	event.Message = entry.Message
+	event.Extra = entry.Data
+	sentry.CaptureEvent(event)
+	return nil
+}
+
+// Levels returns all levels this hook should be registered to.
+func (hook *SentryHook) Levels() []logrus.Level {
+	return []logrus.Level{
+		logrus.PanicLevel,
+		logrus.FatalLevel,
+		logrus.ErrorLevel,
+		logrus.WarnLevel,
+	}
+}