Move nginx helper (#4501)

internal/ingress/controller/nginx.go

@@ -414,7 +414,7 @@ func (n *NGINXController) Stop() error {
 	// wait for the NGINX process to terminate
 	timer := time.NewTicker(time.Second * 1)
 	for range timer.C {
-		if !process.IsNginxRunning() {
+		if !nginx.IsRunning() {
 			klog.Info("NGINX process has stopped")
 			timer.Stop()
 			break

internal/ingress/controller/process/nginx.go

@@ -24,7 +24,6 @@ import (
 	"syscall"
 	"time"
 
-	ps "github.com/mitchellh/go-ps"
 	"github.com/ncabatoff/process-exporter/proc"
 	"k8s.io/klog"
 )
@@ -82,14 +81,3 @@ func WaitUntilPortIsAvailable(port int) {
 		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
-}

internal/nginx/main.go

@@ -27,6 +27,7 @@ import (
 	"strings"
 	"time"
 
+	ps "github.com/mitchellh/go-ps"
 	"github.com/tv42/httpunix"
 	"k8s.io/klog"
 )
@@ -171,3 +172,15 @@ func Version() string {
 
 	return string(out)
 }
+
+// IsRunning returns true if a process with the name 'nginx' is found
+func IsRunning() bool {
+	processes, _ := ps.Processes()
+	for _, p := range processes {
+		if p.Executable() == "nginx" {
+			return true
+		}
+	}
+
+	return false
+}