Rename package pkg to internal

pkg/ingress/controller/metrics.go

@@ -1,81 +0,0 @@
-/*
-Copyright 2015 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package controller
-
-import (
-	"github.com/prometheus/client_golang/prometheus"
-
-	"k8s.io/ingress-nginx/pkg/ingress"
-)
-
-const (
-	ns             = "ingress_controller"
-	operation      = "count"
-	reloadLabel    = "reloads"
-	sslLabelExpire = "ssl_expire_time_seconds"
-	sslLabelHost   = "host"
-)
-
-func init() {
-	prometheus.MustRegister(reloadOperation)
-	prometheus.MustRegister(reloadOperationErrors)
-	prometheus.MustRegister(sslExpireTime)
-}
-
-var (
-	reloadOperation = prometheus.NewCounterVec(
-		prometheus.CounterOpts{
-			Namespace: ns,
-			Name:      "success",
-			Help:      "Cumulative number of Ingress controller reload operations",
-		},
-		[]string{operation},
-	)
-	reloadOperationErrors = prometheus.NewCounterVec(
-		prometheus.CounterOpts{
-			Namespace: ns,
-			Name:      "errors",
-			Help:      "Cumulative number of Ingress controller errors during reload operations",
-		},
-		[]string{operation},
-	)
-	sslExpireTime = prometheus.NewGaugeVec(
-		prometheus.GaugeOpts{
-			Namespace: ns,
-			Name:      sslLabelExpire,
-			Help: "Number of seconds since 1970 to the SSL Certificate expire. An example to check if this " +
-				"certificate will expire in 10 days is: \"ingress_controller_ssl_expire_time_seconds < (time() + (10 * 24 * 3600))\"",
-		},
-		[]string{sslLabelHost},
-	)
-)
-
-func incReloadCount() {
-	reloadOperation.WithLabelValues(reloadLabel).Inc()
-}
-
-func incReloadErrorCount() {
-	reloadOperationErrors.WithLabelValues(reloadLabel).Inc()
-}
-
-func setSSLExpireTime(servers []*ingress.Server) {
-	for _, s := range servers {
-		if s.Hostname != defServerName {
-			sslExpireTime.WithLabelValues(s.Hostname).Set(float64(s.SSLExpireTime.Unix()))
-		}
-	}
-}