From 8a1d7c0868df0622db39acc0a12b8b3349db1006 Mon Sep 17 00:00:00 2001
From: Adrian Cooke <105147+agcooke@users.noreply.github.com>
Date: Tue, 8 Jan 2019 20:22:23 +0200
Subject: [PATCH] Use chrony for time and make sure it is enabled on startup.
 (#130)

From https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/set-time.html
---
 install-worker.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/install-worker.sh b/install-worker.sh
index c6afb45d1..affce5ebf 100644
--- a/install-worker.sh
+++ b/install-worker.sh
@@ -17,16 +17,17 @@ sudo yum update -y
 # Install necessary packages
 sudo yum install -y \
     aws-cfn-bootstrap \
+    chrony \
     conntrack \
     curl \
     jq \
     nfs-utils \
-    ntp \
     socat \
     unzip \
     wget
 
-sudo systemctl enable ntpd
+# Make sure Amazon Time Sync Service starts on boot.
+sudo chkconfig chronyd on
 
 curl "https://bootstrap.pypa.io/get-pip.py" -o "get-pip.py"
 sudo python get-pip.py