mox!

metrics/auth.go

@@ -0,0 +1,25 @@
+package metrics
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promauto"
+)
+
+var (
+	metricAuthentication = promauto.NewCounterVec(
+		prometheus.CounterOpts{
+			Name: "mox_authentication_total",
+			Help: "Authentication attempts and results.",
+		},
+		[]string{
+			"kind",    // submission, imap, httpaccount, httpadmin
+			"variant", // login, plain, scram-sha-256, httpbasic
+			// todo: we currently only use badcreds, but known baduser can be helpful
+			"result", // ok, baduser, badpassword, badcreds, error, aborted
+		},
+	)
+)
+
+func AuthenticationInc(kind, variant, result string) {
+	metricAuthentication.WithLabelValues(kind, variant, result).Inc()
+}