Avoid negative values configuring the max number of open files

kubernetes · Mar 30, 2017 · cf82f69 · cf82f69
1 parent 7526728
commit cf82f69
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/controllers/nginx/pkg/cmd/controller/nginx.go b/controllers/nginx/pkg/cmd/controller/nginx.go
@@ -370,6 +370,10 @@ func (n *NGINXController) OnUpdate(ingressCfg ingress.Configuration) ([]byte, er
 		wp = 1
 	}
 	maxOpenFiles := (sysctlFSFileMax() / wp) - 1024
+	if maxOpenFiles < 0 {
+		// this means the value of RLIMIT_NOFILE is too low.
+		maxOpenFiles = 1024
+	}
 
 	setHeaders := map[string]string{}
 	if cfg.ProxySetHeaders != "" {