Rename package pkg to internal

pkg/ingress/controller/util.go

@@ -1,77 +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 (
-	"syscall"
-
-	"github.com/golang/glog"
-
-	api "k8s.io/api/core/v1"
-	"k8s.io/kubernetes/pkg/util/sysctl"
-
-	"k8s.io/ingress-nginx/pkg/ingress"
-)
-
-// newUpstream creates an upstream without servers.
-func newUpstream(name string) *ingress.Backend {
-	return &ingress.Backend{
-		Name:      name,
-		Endpoints: []ingress.Endpoint{},
-		Service:   &api.Service{},
-		SessionAffinity: ingress.SessionAffinityConfig{
-			CookieSessionAffinity: ingress.CookieSessionAffinity{
-				Locations: make(map[string][]string),
-			},
-		},
-	}
-}
-
-// sysctlSomaxconn returns the value of net.core.somaxconn, i.e.
-// maximum number of connections that can be queued for acceptance
-// http://nginx.org/en/docs/http/ngx_http_core_module.html#listen
-func sysctlSomaxconn() int {
-	maxConns, err := sysctl.New().GetSysctl("net/core/somaxconn")
-	if err != nil || maxConns < 512 {
-		glog.V(3).Infof("system net.core.somaxconn=%v (using system default)", maxConns)
-		return 511
-	}
-
-	return maxConns
-}
-
-// sysctlFSFileMax returns the value of fs.file-max, i.e.
-// maximum number of open file descriptors
-func sysctlFSFileMax() int {
-	var rLimit syscall.Rlimit
-	err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
-	if err != nil {
-		glog.Errorf("unexpected error reading system maximum number of open file descriptors (RLIMIT_NOFILE): %v", err)
-		// returning 0 means don't render the value
-		return 0
-	}
-	return int(rLimit.Max)
-}
-
-func intInSlice(i int, list []int) bool {
-	for _, v := range list {
-		if v == i {
-			return true
-		}
-	}
-	return false
-}