Rename package pkg to internal

pkg/ingress/controller/process/nginx.go

@@ -1,93 +0,0 @@
-/*
-Copyright 2017 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 process
-
-import (
-	"fmt"
-	"net"
-	"os"
-	"os/exec"
-	"syscall"
-	"time"
-
-	"github.com/golang/glog"
-	ps "github.com/mitchellh/go-ps"
-	"github.com/ncabatoff/process-exporter/proc"
-)
-
-// IsRespawnIfRequired checks if error type is exec.ExitError or not
-func IsRespawnIfRequired(err error) bool {
-	exitError, ok := err.(*exec.ExitError)
-	if !ok {
-		return false
-	}
-
-	waitStatus := exitError.Sys().(syscall.WaitStatus)
-	glog.Warningf(`
--------------------------------------------------------------------------------
-NGINX master process died (%v): %v
--------------------------------------------------------------------------------
-`, waitStatus.ExitStatus(), err)
-	return true
-}
-
-func WaitUntilPortIsAvailable(port int) {
-	// we wait until the workers are killed
-	for {
-		conn, err := net.DialTimeout("tcp", fmt.Sprintf("0.0.0.0:%v", port), 1*time.Second)
-		if err != nil {
-			break
-		}
-		conn.Close()
-		// kill nginx worker processes
-		fs, err := proc.NewFS("/proc")
-		if err != nil {
-			glog.Errorf("unexpected error reading /proc information: %v", err)
-			continue
-		}
-
-		procs, _ := fs.FS.AllProcs()
-		for _, p := range procs {
-			pn, err := p.Comm()
-			if err != nil {
-				glog.Errorf("unexpected error obtaining process information: %v", err)
-				continue
-			}
-
-			if pn == "nginx" {
-				osp, err := os.FindProcess(p.PID)
-				if err != nil {
-					glog.Errorf("unexpected error obtaining process information: %v", err)
-					continue
-				}
-				osp.Signal(syscall.SIGQUIT)
-			}
-		}
-		time.Sleep(100 * time.Millisecond)
-	}
-}
-
-// IsNginxRunning returns true if a process with the name 'nginx' is found
-func IsNginxRunning() bool {
-	processes, _ := ps.Processes()
-	for _, p := range processes {
-		if p.Executable() == "nginx" {
-			return true
-		}
-	}
-	return false
-}