Setting the worker_rlimit_nofile minimum to 2048 for nginx

In the docker image for mariadb-ingress if there are many cores
the calculated value for worker_rlimit_nofile ends up being 1024
which is too small.   This change sets the min to 2048.

Closes-Bug: 1816479
Change-Id: I4f198b703eda61d9a9531640ec01a2770f9ec172
Signed-off-by: Al Bailey <Al.Bailey@windriver.com>

openstack-helm-infra/centos/build_srpm.data

@@ -5,4 +5,4 @@ TAR="$TAR_NAME-$SHA.tar.gz"
 
 COPY_LIST="${CGCS_BASE}/downloads/$TAR $PKG_BASE/files/*"
 
-TIS_PATCH_VER=7
+TIS_PATCH_VER=8

openstack-helm-infra/centos/openstack-helm-infra.spec

@@ -20,6 +20,7 @@ Patch02: Mariadb-Support-adoption-of-running-single-node-mari.patch
 Patch03: 0004-Allow-multiple-containers-per-daemonset-pod.patch
 Patch04: fix-type-error-to-streamline-single-replica-mariadb-.patch
 Patch05: Add-imagePullSecrets-in-service-account.patch
+Patch06: 0006-Set-Min-NGINX-handles.patch
 
 BuildRequires: helm
 
@@ -33,6 +34,7 @@ Openstack Helm Infra charts
 %patch03 -p1
 %patch04 -p1
 %patch05 -p1
+%patch06 -p1
 
 %build
 # initialize helm and build the toolkit

openstack-helm-infra/files/0006-Set-Min-NGINX-handles.patch

@@ -0,0 +1,27 @@
+From dda42ea9d18cacb7059652e95fb1b689f175f6ac Mon Sep 17 00:00:00 2001
+From: Al Bailey <Al.Bailey@windriver.com>
+Date: Wed, 20 Feb 2019 13:56:27 -0600
+Subject: [PATCH 6/6] Set Min NGINX handles
+
+---
+ mariadb/files/nginx.tmpl | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/mariadb/files/nginx.tmpl b/mariadb/files/nginx.tmpl
+index b74b2b6..9775d89 100644
+--- a/mariadb/files/nginx.tmpl
++++ b/mariadb/files/nginx.tmpl
+@@ -23,7 +23,9 @@ daemon off;
+ 
+ worker_processes {{ $cfg.WorkerProcesses }};
+ pid /run/nginx.pid;
+-{{ if ne .MaxOpenFiles 0 }}
++{{ if lt .MaxOpenFiles 2048 }}
++worker_rlimit_nofile 2048;
++{{else}}
+ worker_rlimit_nofile {{ .MaxOpenFiles }};
+ {{ end}}
+ 
+-- 
+1.8.3.1
+