From f6b8506b1733f42779ca7917a901057c03476c43 Mon Sep 17 00:00:00 2001
From: Oilbeater <liumengxinfly@gmail.com>
Date: Thu, 8 Mar 2018 22:58:54 +0800
Subject: [PATCH] change nginx process pgid (#2181)

put restarted nginx process in another process group, just like the normal nginx start did in https://github.com/kubernetes/ingress-nginx/blob/master/internal/ingress/controller/nginx.go#L289
---
 internal/ingress/controller/nginx.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/internal/ingress/controller/nginx.go b/internal/ingress/controller/nginx.go
index ef3e53735..d77b6d8b2 100644
--- a/internal/ingress/controller/nginx.go
+++ b/internal/ingress/controller/nginx.go
@@ -320,8 +320,12 @@ func (n *NGINXController) Start() {
 				process.WaitUntilPortIsAvailable(n.cfg.ListenPorts.HTTP)
 				// release command resources
 				cmd.Process.Release()
-				cmd = exec.Command(n.binary, "-c", cfgPath)
 				// start a new nginx master process if the controller is not being stopped
+				cmd = exec.Command(n.binary, "-c", cfgPath)
+				cmd.SysProcAttr = &syscall.SysProcAttr{
+					Setpgid: true,
+					Pgid:    0,
+				}
 				n.start(cmd)
 			}
 		case event := <-n.updateCh.Out():