Bump sigs.k8s.io/controller-runtime to v0.14.4 (#5507)

* Bump sigs.k8s.io/controller-runtime to v0.14.4

* Update gofmt

vendor/github.com/mwitkow/go-conntrack/dialer_reporter.go

@@ -0,0 +1,108 @@
+// Copyright 2016 Michal Witkowski. All Rights Reserved.
+// See LICENSE for licensing terms.
+
+package conntrack
+
+import (
+	"context"
+	"net"
+	"os"
+	"syscall"
+
+	prom "github.com/prometheus/client_golang/prometheus"
+)
+
+type failureReason string
+
+const (
+	failedResolution  = "resolution"
+	failedConnRefused = "refused"
+	failedTimeout     = "timeout"
+	failedUnknown     = "unknown"
+)
+
+var (
+	dialerAttemptedTotal = prom.NewCounterVec(
+		prom.CounterOpts{
+			Namespace: "net",
+			Subsystem: "conntrack",
+			Name:      "dialer_conn_attempted_total",
+			Help:      "Total number of connections attempted by the given dialer a given name.",
+		}, []string{"dialer_name"})
+
+	dialerConnEstablishedTotal = prom.NewCounterVec(
+		prom.CounterOpts{
+			Namespace: "net",
+			Subsystem: "conntrack",
+			Name:      "dialer_conn_established_total",
+			Help:      "Total number of connections successfully established by the given dialer a given name.",
+		}, []string{"dialer_name"})
+
+	dialerConnFailedTotal = prom.NewCounterVec(
+		prom.CounterOpts{
+			Namespace: "net",
+			Subsystem: "conntrack",
+			Name:      "dialer_conn_failed_total",
+			Help:      "Total number of connections failed to dial by the dialer a given name.",
+		}, []string{"dialer_name", "reason"})
+
+	dialerConnClosedTotal = prom.NewCounterVec(
+		prom.CounterOpts{
+			Namespace: "net",
+			Subsystem: "conntrack",
+			Name:      "dialer_conn_closed_total",
+			Help:      "Total number of connections closed which originated from the dialer of a given name.",
+		}, []string{"dialer_name"})
+)
+
+func init() {
+	prom.MustRegister(dialerAttemptedTotal)
+	prom.MustRegister(dialerConnEstablishedTotal)
+	prom.MustRegister(dialerConnFailedTotal)
+	prom.MustRegister(dialerConnClosedTotal)
+}
+
+// preRegisterDialerMetrics pre-populates Prometheus labels for the given dialer name, to avoid Prometheus missing labels issue.
+func PreRegisterDialerMetrics(dialerName string) {
+	dialerAttemptedTotal.WithLabelValues(dialerName)
+	dialerConnEstablishedTotal.WithLabelValues(dialerName)
+	for _, reason := range []failureReason{failedTimeout, failedResolution, failedConnRefused, failedUnknown} {
+		dialerConnFailedTotal.WithLabelValues(dialerName, string(reason))
+	}
+	dialerConnClosedTotal.WithLabelValues(dialerName)
+}
+
+func reportDialerConnAttempt(dialerName string) {
+	dialerAttemptedTotal.WithLabelValues(dialerName).Inc()
+}
+
+func reportDialerConnEstablished(dialerName string) {
+	dialerConnEstablishedTotal.WithLabelValues(dialerName).Inc()
+}
+
+func reportDialerConnClosed(dialerName string) {
+	dialerConnClosedTotal.WithLabelValues(dialerName).Inc()
+}
+
+func reportDialerConnFailed(dialerName string, err error) {
+	if netErr, ok := err.(*net.OpError); ok {
+		switch nestErr := netErr.Err.(type) {
+		case *net.DNSError:
+			dialerConnFailedTotal.WithLabelValues(dialerName, string(failedResolution)).Inc()
+			return
+		case *os.SyscallError:
+			if nestErr.Err == syscall.ECONNREFUSED {
+				dialerConnFailedTotal.WithLabelValues(dialerName, string(failedConnRefused)).Inc()
+			}
+			dialerConnFailedTotal.WithLabelValues(dialerName, string(failedUnknown)).Inc()
+			return
+		}
+		if netErr.Timeout() {
+			dialerConnFailedTotal.WithLabelValues(dialerName, string(failedTimeout)).Inc()
+		}
+	} else if err == context.Canceled || err == context.DeadlineExceeded {
+		dialerConnFailedTotal.WithLabelValues(dialerName, string(failedTimeout)).Inc()
+		return
+	}
+	dialerConnFailedTotal.WithLabelValues(dialerName, string(failedUnknown)).Inc()
+}