From 0f743e093baeef1dfb34faecb2df03a60cb7122f Mon Sep 17 00:00:00 2001
From: Elston LEWIS <elston.lewis@outscale.com>
Date: Thu, 24 Oct 2024 14:09:37 +0200
Subject: [PATCH] Updated chrony ntp sync script

---
 files/chrony-specific/10-dhcp-chrony.sh | 10 ++++++++++
 scripts/linux/ntp.sh                    |  4 +++-
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 files/chrony-specific/10-dhcp-chrony.sh

diff --git a/files/chrony-specific/10-dhcp-chrony.sh b/files/chrony-specific/10-dhcp-chrony.sh
new file mode 100644
index 0000000..38f794b
--- /dev/null
+++ b/files/chrony-specific/10-dhcp-chrony.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+if [ "$2" = "up" ]; then
+    if [ -n "$DHCP4_NTP_SERVERS" ]; then
+        chronyc delete sources
+        for server in $DHCP4_NTP_SERVERS; do
+            chronyc add server $server iburst
+        done
+        systemctl restart chronyd
+    fi
+fi
\ No newline at end of file
diff --git a/scripts/linux/ntp.sh b/scripts/linux/ntp.sh
index 93d628e..9f35f27 100644
--- a/scripts/linux/ntp.sh
+++ b/scripts/linux/ntp.sh
@@ -6,7 +6,9 @@ if [[ "$1" == "debian12" ]]; then
     chroot /mnt/ apt install chrony -y
 fi
 
-# make executable chronyd script fix OMI-239
+# chronyd dhcp sync fix OMI-239
 if [[ "$1" == "debian12" ]]; then
     chmod +x /mnt/etc/dhcp/dhclient-exit-hooks.d/chrony
+    cp /tmp/chrony-specific/10-dhcp-chrony /mnt/etc/NetworkManager/dispatcher.d/
+    chmod +x /mnt/etc/NetworkManager/dispatcher.d/10-dhcp-chrony
 fi