File wwinit-If-original-ntpd.conf-file-has-this-has-keys-set-up-copy-them-128.patch of Package warewulf

From: John Jolly <john.jolly@gmail.com>
Date: Tue Sep 11 12:58:26 2018 -0600
Subject: wwinit: If original ntpd.conf file has this has keys set up, copy them (#128)
Patch-mainline: Upstream
Git-repo: https://github.com/warewulf/warewulf3
Git-commit: eda20cbe769e8f93bf77da58bd32729e27a90d61
References: 

With a keys file present but commented out trustedkey or requestkey,
ntp will not start.
If original ntp.conf had a working setup, just copy it.

Signed-off-by: Egbert Eich <eich@suse.com>---
 cluster/libexec/wwinit/50-ntpd.init | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/cluster/libexec/wwinit/50-ntpd.init b/cluster/libexec/wwinit/50-ntpd.init
index e7721b3..ae6582d 100644
--- a/cluster/libexec/wwinit/50-ntpd.init
+++ b/cluster/libexec/wwinit/50-ntpd.init
@@ -29,6 +29,13 @@ fi
 NETWORK=`perl -MWarewulf::Network -MWarewulf::Config -e 'print Warewulf::Network->new()->network(Warewulf::Config->new("provision.conf")->get("network device"));'`
 NETMASK=`perl -MWarewulf::Network -MWarewulf::Config -e 'print Warewulf::Network->new()->netmask(Warewulf::Config->new("provision.conf")->get("network device"));'`
 
+ntp_trustedkey=$(cat /etc/ntp.conf | sed -ne "s/^[^#t]*\(trustedkey[^#]\+\).*/\1/p")
+[ -z "$ntp_trustedkey" ] && ntp_trustedkey='#controlkey 8'
+ntp_controlkey=$(cat /etc/ntp.conf | sed -ne "s/^[^#c]*\(controlkey[^#]\+\).*/\1/p")
+[ -z "$ntp_controlkey" ] && ntp_controlkey='#trustedkey 4 8 42'
+ntp_requestkey=$(cat /etc/ntp.conf | sed -ne "s/^[^#r]*\(requestkey[^#]\+\).*/\1/p")
+[ -z "$ntp_requestkey" ] && ntp_requestkey='#requestkey 8'
+
 if ! grep -q "^# This file was created by Warewulf" /etc/ntp.conf; then
     cp /etc/ntp.conf /etc/ntp.conf-orig
     wwprint "Backed up current NTP config to /etc/ntp.conf-orig\n"
@@ -76,13 +83,13 @@ includefile /etc/ntp/crypto/pw
 $KEY_FILE
 
 # Specify the key identifiers which are trusted.
-#trustedkey 4 8 42
+$ntp_trustedkey
 
 # Specify the key identifier to use with the ntpdc utility.
-#requestkey 8
+$ntp_requestkey
 
 # Specify the key identifier to use with the ntpq utility.
-#controlkey 8
+$ntp_controlkey
 
 # Enable writing of statistics records.
 #statistics clockstats cryptostats loopstats peerstats