From 2a9d4e80794656affce1ed3c4ac9c253116d52ea Mon Sep 17 00:00:00 2001
From: Jarrod Johnson <jjohnson2@lenovo.com>
Date: Fri, 29 May 2020 08:58:33 -0400
Subject: [PATCH] Avoid breaking net config with '' DNS server

The node is probably misconfigured, but tolerate it
and carry on so that networking will at least
come up.
---
 .../initramfs/usr/lib/dracut/hooks/initqueue/01-confluent.sh    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/confluent_osdeploy/el8/initramfs/usr/lib/dracut/hooks/initqueue/01-confluent.sh b/confluent_osdeploy/el8/initramfs/usr/lib/dracut/hooks/initqueue/01-confluent.sh
index 2de7267a..30ec46fa 100644
--- a/confluent_osdeploy/el8/initramfs/usr/lib/dracut/hooks/initqueue/01-confluent.sh
+++ b/confluent_osdeploy/el8/initramfs/usr/lib/dracut/hooks/initqueue/01-confluent.sh
@@ -82,7 +82,7 @@ fi
 nameserversec=0
 while read -r entry; do
     if [ $nameserversec = 1 ]; then
-        if [[ $entry == "-"* ]]; then
+        if [[ $entry == "-"* ]] && [[ $entry != "- ''" ]]; then
             echo nameserver=${entry#- } >> /etc/cmdline.d/01-confluent.conf
             continue
         fi